update work in progress rewritten bcm947xx code. wifi and usb seem to be working, flash access still has problems
SVN-Revision: 6276
This commit is contained in:
parent
8e88bb54ba
commit
e2fac9a41a
35 changed files with 7097 additions and 7226 deletions
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#
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# Makefile for the BCM47xx specific kernel interface routines
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# under Linux.
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#
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obj-y := irq.o prom.o setup.o time.o
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obj-y += nvram.o cfe_env.o
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229
target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/cfe_env.c
Normal file
229
target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/cfe_env.c
Normal file
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/*
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* CFE environment variable access
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*
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* Copyright 2001-2003, Broadcom Corporation
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* Copyright 2006, Felix Fietkau <nbd@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <asm/io.h>
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#include <asm/uaccess.h>
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#define NVRAM_SIZE (0x1ff0)
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static char _nvdata[NVRAM_SIZE] __initdata;
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static char _valuestr[256] __initdata;
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/*
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* TLV types. These codes are used in the "type-length-value"
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* encoding of the items stored in the NVRAM device (flash or EEPROM)
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*
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* The layout of the flash/nvram is as follows:
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*
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* <type> <length> <data ...> <type> <length> <data ...> <type_end>
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*
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* The type code of "ENV_TLV_TYPE_END" marks the end of the list.
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* The "length" field marks the length of the data section, not
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* including the type and length fields.
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*
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* Environment variables are stored as follows:
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*
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* <type_env> <length> <flags> <name> = <value>
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*
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* If bit 0 (low bit) is set, the length is an 8-bit value.
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* If bit 0 (low bit) is clear, the length is a 16-bit value
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*
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* Bit 7 set indicates "user" TLVs. In this case, bit 0 still
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* indicates the size of the length field.
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*
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* Flags are from the constants below:
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*
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*/
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#define ENV_LENGTH_16BITS 0x00 /* for low bit */
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#define ENV_LENGTH_8BITS 0x01
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#define ENV_TYPE_USER 0x80
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#define ENV_CODE_SYS(n,l) (((n)<<1)|(l))
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#define ENV_CODE_USER(n,l) ((((n)<<1)|(l)) | ENV_TYPE_USER)
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/*
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* The actual TLV types we support
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*/
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#define ENV_TLV_TYPE_END 0x00
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#define ENV_TLV_TYPE_ENV ENV_CODE_SYS(0,ENV_LENGTH_8BITS)
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/*
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* Environment variable flags
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*/
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#define ENV_FLG_NORMAL 0x00 /* normal read/write */
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#define ENV_FLG_BUILTIN 0x01 /* builtin - not stored in flash */
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#define ENV_FLG_READONLY 0x02 /* read-only - cannot be changed */
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#define ENV_FLG_MASK 0xFF /* mask of attributes we keep */
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#define ENV_FLG_ADMIN 0x100 /* lets us internally override permissions */
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/* *********************************************************************
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* _nvram_read(buffer,offset,length)
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*
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* Read data from the NVRAM device
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*
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* Input parameters:
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* buffer - destination buffer
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* offset - offset of data to read
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* length - number of bytes to read
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*
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* Return value:
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* number of bytes read, or <0 if error occured
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********************************************************************* */
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static int
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_nvram_read(unsigned char *nv_buf, unsigned char *buffer, int offset, int length)
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{
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int i;
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if (offset > NVRAM_SIZE)
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return -1;
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for ( i = 0; i < length; i++) {
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buffer[i] = ((volatile unsigned char*)nv_buf)[offset + i];
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}
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return length;
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}
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static char*
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_strnchr(const char *dest,int c,size_t cnt)
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{
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while (*dest && (cnt > 0)) {
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if (*dest == c) return (char *) dest;
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dest++;
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cnt--;
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}
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return NULL;
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}
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/*
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* Core support API: Externally visible.
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*/
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/*
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* Get the value of an NVRAM variable
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* @param name name of variable to get
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* @return value of variable or NULL if undefined
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*/
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char*
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cfe_env_get(unsigned char *nv_buf, char* name)
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{
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int size;
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unsigned char *buffer;
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unsigned char *ptr;
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unsigned char *envval;
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unsigned int reclen;
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unsigned int rectype;
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int offset;
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int flg;
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if (!strcmp(name, "nvram_type"))
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return "cfe";
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size = NVRAM_SIZE;
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buffer = &_nvdata[0];
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ptr = buffer;
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offset = 0;
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/* Read the record type and length */
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if (_nvram_read(nv_buf, ptr,offset,1) != 1) {
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goto error;
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}
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while ((*ptr != ENV_TLV_TYPE_END) && (size > 1)) {
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/* Adjust pointer for TLV type */
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rectype = *(ptr);
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offset++;
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size--;
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/*
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* Read the length. It can be either 1 or 2 bytes
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* depending on the code
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*/
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if (rectype & ENV_LENGTH_8BITS) {
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/* Read the record type and length - 8 bits */
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if (_nvram_read(nv_buf, ptr,offset,1) != 1) {
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goto error;
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}
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reclen = *(ptr);
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size--;
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offset++;
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}
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else {
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/* Read the record type and length - 16 bits, MSB first */
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if (_nvram_read(nv_buf, ptr,offset,2) != 2) {
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goto error;
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}
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reclen = (((unsigned int) *(ptr)) << 8) + (unsigned int) *(ptr+1);
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size -= 2;
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offset += 2;
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}
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if (reclen > size)
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break; /* should not happen, bad NVRAM */
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switch (rectype) {
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case ENV_TLV_TYPE_ENV:
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/* Read the TLV data */
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if (_nvram_read(nv_buf, ptr,offset,reclen) != reclen)
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goto error;
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flg = *ptr++;
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envval = (unsigned char *) _strnchr(ptr,'=',(reclen-1));
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if (envval) {
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*envval++ = '\0';
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memcpy(_valuestr,envval,(reclen-1)-(envval-ptr));
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_valuestr[(reclen-1)-(envval-ptr)] = '\0';
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#if 0
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printk(KERN_INFO "NVRAM:%s=%s\n", ptr, _valuestr);
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#endif
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if(!strcmp(ptr, name)){
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return _valuestr;
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}
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if((strlen(ptr) > 1) && !strcmp(&ptr[1], name))
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return _valuestr;
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}
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break;
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default:
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/* Unknown TLV type, skip it. */
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break;
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}
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/*
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* Advance to next TLV
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*/
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size -= (int)reclen;
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offset += reclen;
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/* Read the next record type */
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ptr = buffer;
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if (_nvram_read(nv_buf, ptr,offset,1) != 1)
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goto error;
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}
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error:
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return NULL;
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}
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/*
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* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef __NVRAM_H
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#define __NVRAM_H
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struct nvram_header {
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u32 magic;
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u32 len;
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u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */
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u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */
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u32 config_ncdl; /* ncdl values for memc */
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};
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struct nvram_tuple {
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char *name;
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char *value;
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struct nvram_tuple *next;
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};
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#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */
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#define NVRAM_VERSION 1
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#define NVRAM_HEADER_SIZE 20
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#define NVRAM_SPACE 0x8000
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#define NVRAM_MAX_VALUE_LEN 255
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#define NVRAM_MAX_PARAM_LEN 64
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char *nvram_get(const char *name);
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#endif
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63
target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/irq.c
Normal file
63
target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/irq.c
Normal file
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/*
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* Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/module.h>
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#include <linux/smp.h>
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#include <linux/types.h>
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#include <asm/cpu.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/irq_cpu.h>
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void plat_irq_dispatch(void)
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{
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u32 cause;
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cause = read_c0_cause() & read_c0_status() & CAUSEF_IP;
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clear_c0_status(cause);
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if (cause & CAUSEF_IP7)
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do_IRQ(7);
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if (cause & CAUSEF_IP2)
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do_IRQ(2);
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if (cause & CAUSEF_IP3)
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do_IRQ(3);
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if (cause & CAUSEF_IP4)
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do_IRQ(4);
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if (cause & CAUSEF_IP5)
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do_IRQ(5);
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if (cause & CAUSEF_IP6)
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do_IRQ(6);
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}
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void __init arch_init_irq(void)
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{
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mips_cpu_irq_init(0);
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}
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125
target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/nvram.c
Normal file
125
target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/nvram.c
Normal file
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/*
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* BCM947xx nvram variable access
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*
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* Copyright 2005, Broadcom Corporation
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* Copyright 2006, Felix Fietkau <nbd@openwrt.org>
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*
|
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* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
|
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* option) any later version.
|
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*/
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|
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/ssb/ssb.h>
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#include <linux/kernel.h>
|
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#include <linux/string.h>
|
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#include <linux/interrupt.h>
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#include <linux/spinlock.h>
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#include <linux/slab.h>
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#include <asm/byteorder.h>
|
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#include <asm/bootinfo.h>
|
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#include <asm/addrspace.h>
|
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#include <asm/io.h>
|
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#include <asm/uaccess.h>
|
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|
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#include <nvram.h>
|
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|
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#define MB * 1048576
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extern struct ssb_bus ssb;
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static char nvram_buf[NVRAM_SPACE];
|
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static int cfe_env;
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extern char *cfe_env_get(char *nv_buf, const char *name);
|
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|
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/* Probe for NVRAM header */
|
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static void __init early_nvram_init(void)
|
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{
|
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struct ssb_mipscore *mcore = &ssb.mipscore;
|
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struct nvram_header *header;
|
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int i;
|
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u32 base, lim, off;
|
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u32 *src, *dst;
|
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|
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base = mcore->flash_window;
|
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lim = mcore->flash_window_size;
|
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cfe_env = 0;
|
||||
|
||||
|
||||
/* XXX: hack for supporting the CFE environment stuff on WGT634U */
|
||||
if (lim >= 8 MB) {
|
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src = (u32 *) KSEG1ADDR(base + 8 MB - 0x2000);
|
||||
dst = (u32 *) nvram_buf;
|
||||
|
||||
if ((*src & 0xff00ff) == 0x000001) {
|
||||
printk("early_nvram_init: WGT634U NVRAM found.\n");
|
||||
|
||||
for (i = 0; i < 0x1ff0; i++) {
|
||||
if (*src == 0xFFFFFFFF)
|
||||
break;
|
||||
*dst++ = *src++;
|
||||
}
|
||||
cfe_env = 1;
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
off = 0x20000;
|
||||
while (off <= lim) {
|
||||
/* Windowed flash access */
|
||||
header = (struct nvram_header *) KSEG1ADDR(base + off - NVRAM_SPACE);
|
||||
if (header->magic == NVRAM_HEADER)
|
||||
goto found;
|
||||
off <<= 1;
|
||||
}
|
||||
|
||||
/* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
|
||||
header = (struct nvram_header *) KSEG1ADDR(base + 4096);
|
||||
if (header->magic == NVRAM_HEADER)
|
||||
goto found;
|
||||
|
||||
header = (struct nvram_header *) KSEG1ADDR(base + 1024);
|
||||
if (header->magic == NVRAM_HEADER)
|
||||
goto found;
|
||||
|
||||
return;
|
||||
|
||||
found:
|
||||
src = (u32 *) header;
|
||||
dst = (u32 *) nvram_buf;
|
||||
for (i = 0; i < sizeof(struct nvram_header); i += 4)
|
||||
*dst++ = *src++;
|
||||
for (; i < header->len && i < NVRAM_SPACE; i += 4)
|
||||
*dst++ = le32_to_cpu(*src++);
|
||||
}
|
||||
|
||||
char *nvram_get(const char *name)
|
||||
{
|
||||
char *var, *value, *end, *eq;
|
||||
|
||||
if (!name)
|
||||
return NULL;
|
||||
|
||||
if (!nvram_buf[0])
|
||||
early_nvram_init();
|
||||
|
||||
if (cfe_env)
|
||||
return cfe_env_get(nvram_buf, name);
|
||||
|
||||
/* Look for name=value and return value */
|
||||
var = &nvram_buf[sizeof(struct nvram_header)];
|
||||
end = nvram_buf + sizeof(nvram_buf) - 2;
|
||||
end[0] = end[1] = '\0';
|
||||
for (; *var; var = value + strlen(value) + 1) {
|
||||
if (!(eq = strchr(var, '=')))
|
||||
break;
|
||||
value = eq + 1;
|
||||
if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0)
|
||||
return value;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL(nvram_get);
|
62
target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/prom.c
Normal file
62
target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/prom.c
Normal file
|
@ -0,0 +1,62 @@
|
|||
/*
|
||||
* Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
|
||||
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/bootmem.h>
|
||||
|
||||
#include <asm/addrspace.h>
|
||||
#include <asm/bootinfo.h>
|
||||
#include <asm/pmon.h>
|
||||
#include "../cfe/cfe_private.h"
|
||||
|
||||
const char *get_system_type(void)
|
||||
{
|
||||
return "Broadcom BCM47xx";
|
||||
}
|
||||
|
||||
void __init prom_init(void)
|
||||
{
|
||||
unsigned long mem;
|
||||
|
||||
mips_machgroup = MACH_GROUP_BRCM;
|
||||
mips_machtype = MACH_BCM47XX;
|
||||
|
||||
cfe_setup(fw_arg0, fw_arg1, fw_arg2, fw_arg3);
|
||||
|
||||
/* Figure out memory size by finding aliases */
|
||||
for (mem = (1 << 20); mem < (128 << 20); mem += (1 << 20)) {
|
||||
if (*(unsigned long *)((unsigned long)(prom_init) + mem) ==
|
||||
*(unsigned long *)(prom_init))
|
||||
break;
|
||||
}
|
||||
|
||||
add_memory_region(0, mem, BOOT_MEM_RAM);
|
||||
}
|
||||
|
||||
unsigned long __init prom_free_prom_memory(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
163
target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/setup.c
Normal file
163
target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/setup.c
Normal file
|
@ -0,0 +1,163 @@
|
|||
/*
|
||||
* Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
|
||||
* Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
|
||||
* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
|
||||
* Copyright (C) 2006 Michael Buesch
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
|
||||
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/types.h>
|
||||
#include <linux/tty.h>
|
||||
#include <linux/serial.h>
|
||||
#include <linux/serial_core.h>
|
||||
#include <linux/serial_reg.h>
|
||||
#include <asm/bootinfo.h>
|
||||
#include <asm/time.h>
|
||||
#include <asm/reboot.h>
|
||||
#include <asm/cfe.h>
|
||||
#include <linux/pm.h>
|
||||
#include <linux/ssb/ssb.h>
|
||||
|
||||
#include <nvram.h>
|
||||
|
||||
extern void bcm47xx_pci_init(void);
|
||||
extern void bcm47xx_time_init(void);
|
||||
|
||||
struct ssb_bus ssb;
|
||||
|
||||
static void bcm47xx_machine_restart(char *command)
|
||||
{
|
||||
printk(KERN_ALERT "Please stand by while rebooting the system...\n");
|
||||
local_irq_disable();
|
||||
/* CFE has a reboot callback, but that does not work.
|
||||
* Oopses with: Reserved instruction in kernel code.
|
||||
*/
|
||||
|
||||
/* Set the watchdog timer to reset immediately */
|
||||
//TODO sb_watchdog(sbh, 1);
|
||||
while (1)
|
||||
cpu_relax();
|
||||
}
|
||||
|
||||
static void bcm47xx_machine_halt(void)
|
||||
{
|
||||
/* Disable interrupts and watchdog and spin forever */
|
||||
local_irq_disable();
|
||||
//TODO sb_watchdog(sbh, 0);
|
||||
while (1)
|
||||
cpu_relax();
|
||||
}
|
||||
|
||||
static void e_aton(char *str, char *dest)
|
||||
{
|
||||
int i = 0;
|
||||
|
||||
if (str == NULL) {
|
||||
memset(dest, 0, 6);
|
||||
return;
|
||||
}
|
||||
|
||||
for (;;) {
|
||||
dest[i++] = (char) simple_strtoul(str, NULL, 16);
|
||||
str += 2;
|
||||
if (!*str++ || i == 6)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
|
||||
{
|
||||
// TODO
|
||||
}
|
||||
|
||||
static void bcm47xx_fill_sprom_nvram(struct ssb_sprom *sprom)
|
||||
{
|
||||
char *s;
|
||||
|
||||
memset(sprom, 0, sizeof(struct ssb_sprom));
|
||||
|
||||
sprom->revision = 3;
|
||||
if ((s = nvram_get("et0macaddr")))
|
||||
e_aton(s, sprom->r1.et0mac);
|
||||
if ((s = nvram_get("et1macaddr")))
|
||||
e_aton(s, sprom->r1.et1mac);
|
||||
if ((s = nvram_get("et0phyaddr")))
|
||||
sprom->r1.et0phyaddr = simple_strtoul(s, NULL, 10);
|
||||
if ((s = nvram_get("et1phyaddr")))
|
||||
sprom->r1.et1phyaddr = simple_strtoul(s, NULL, 10);
|
||||
}
|
||||
|
||||
void __init plat_mem_setup(void)
|
||||
{
|
||||
int i, err;
|
||||
char *s;
|
||||
struct ssb_mipscore *mcore;
|
||||
|
||||
err = ssb_bus_ssbbus_register(&ssb, SSB_ENUM_BASE, bcm47xx_fill_sprom);
|
||||
if (err) {
|
||||
const char *msg = "Failed to initialize SSB bus (err %d)\n";
|
||||
cfe_printk(msg, err); /* Make sure the message gets out of the box. */
|
||||
panic(msg, err);
|
||||
}
|
||||
mcore = &ssb.mipscore;
|
||||
|
||||
/* FIXME: the nvram init depends on the ssb being fully initializes,
|
||||
* can't use the fill_sprom callback yet! */
|
||||
bcm47xx_fill_sprom_nvram(&ssb.sprom);
|
||||
|
||||
s = nvram_get("kernel_args");
|
||||
if (s && !strncmp(s, "console=ttyS1", 13)) {
|
||||
struct ssb_serial_port port;
|
||||
|
||||
cfe_printk("Swapping serial ports!\n");
|
||||
/* swap serial ports */
|
||||
memcpy(&port, &mcore->serial_ports[0], sizeof(port));
|
||||
memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], sizeof(port));
|
||||
memcpy(&mcore->serial_ports[1], &port, sizeof(port));
|
||||
}
|
||||
|
||||
for (i = 0; i < mcore->nr_serial_ports; i++) {
|
||||
struct ssb_serial_port *port = &(mcore->serial_ports[i]);
|
||||
struct uart_port s;
|
||||
|
||||
memset(&s, 0, sizeof(s));
|
||||
s.line = i;
|
||||
s.membase = port->regs;
|
||||
s.irq = port->irq + 2;//FIXME?
|
||||
s.uartclk = port->baud_base;
|
||||
s.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
|
||||
s.iotype = SERIAL_IO_MEM;
|
||||
s.regshift = port->reg_shift;
|
||||
|
||||
early_serial_setup(&s);
|
||||
}
|
||||
cfe_printk("Serial init done.\n");
|
||||
|
||||
_machine_restart = bcm47xx_machine_restart;
|
||||
_machine_halt = bcm47xx_machine_halt;
|
||||
pm_power_off = bcm47xx_machine_halt;
|
||||
|
||||
board_time_init = bcm47xx_time_init;//FIXME move into ssb
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL(ssb);
|
62
target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/time.c
Normal file
62
target/linux/brcm47xx-2.6/files/arch/mips/bcm947xx/time.c
Normal file
|
@ -0,0 +1,62 @@
|
|||
/*
|
||||
* Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
|
||||
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/serial_reg.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/ssb/ssb.h>
|
||||
#include <asm/addrspace.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/time.h>
|
||||
|
||||
extern struct ssb_bus ssb;
|
||||
|
||||
void __init
|
||||
bcm47xx_time_init(void)
|
||||
{
|
||||
unsigned long hz;
|
||||
|
||||
/*
|
||||
* Use deterministic values for initial counter interrupt
|
||||
* so that calibrate delay avoids encountering a counter wrap.
|
||||
*/
|
||||
write_c0_count(0);
|
||||
write_c0_compare(0xffff);
|
||||
|
||||
hz = ssb_cpu_clock(&ssb.mipscore) / 2;
|
||||
if (!hz)
|
||||
hz = 100000000;
|
||||
|
||||
/* Set MIPS counter frequency for fixed_rate_gettimeoffset() */
|
||||
mips_hpt_frequency = hz;
|
||||
}
|
||||
|
||||
void __init
|
||||
plat_timer_setup(struct irqaction *irq)
|
||||
{
|
||||
/* Enable the timer interrupt */
|
||||
setup_irq(7, irq);
|
||||
}
|
5
target/linux/brcm47xx-2.6/files/arch/mips/cfe/Makefile
Normal file
5
target/linux/brcm47xx-2.6/files/arch/mips/cfe/Makefile
Normal file
|
@ -0,0 +1,5 @@
|
|||
#
|
||||
# Makefile for the Broadcom Common Firmware Environment support
|
||||
#
|
||||
|
||||
obj-y += cfe.o
|
533
target/linux/brcm47xx-2.6/files/arch/mips/cfe/cfe.c
Normal file
533
target/linux/brcm47xx-2.6/files/arch/mips/cfe/cfe.c
Normal file
|
@ -0,0 +1,533 @@
|
|||
/*
|
||||
* Broadcom Common Firmware Environment (CFE) support
|
||||
*
|
||||
* Copyright 2000, 2001, 2002
|
||||
* Broadcom Corporation. All rights reserved.
|
||||
*
|
||||
* Copyright (C) 2006 Michael Buesch
|
||||
*
|
||||
* Original Authors: Mitch Lichtenberg, Chris Demetriou
|
||||
*
|
||||
* This software is furnished under license and may be used and copied only
|
||||
* in accordance with the following terms and conditions. Subject to these
|
||||
* conditions, you may download, copy, install, use, modify and distribute
|
||||
* modified or unmodified copies of this software in source and/or binary
|
||||
* form. No title or ownership is transferred hereby.
|
||||
*
|
||||
* 1) Any source code used, modified or distributed must reproduce and
|
||||
* retain this copyright notice and list of conditions as they appear in
|
||||
* the source file.
|
||||
*
|
||||
* 2) No right is granted to use any trade name, trademark, or logo of
|
||||
* Broadcom Corporation. The "Broadcom Corporation" name may not be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without the prior written permission of Broadcom Corporation.
|
||||
*
|
||||
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
|
||||
* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
|
||||
* FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
|
||||
* LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
||||
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||||
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
||||
* OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/errno.h>
|
||||
#include <linux/spinlock.h>
|
||||
#include <asm/cfe.h>
|
||||
|
||||
#include "cfe_private.h"
|
||||
|
||||
|
||||
static cfe_uint_t cfe_handle;
|
||||
static int (*cfe_trampoline)(long handle, long iocb);
|
||||
|
||||
|
||||
#include <linux/kernel.h>
|
||||
|
||||
void __init cfe_setup(unsigned long fwarg0, unsigned long fwarg1,
|
||||
unsigned long fwarg2, unsigned long fwarg3)
|
||||
{
|
||||
if (fwarg3 == 0x80300000) {
|
||||
/* WRT54G workaround */
|
||||
fwarg3 = CFE_EPTSEAL;
|
||||
fwarg2 = 0xBFC00500;
|
||||
}
|
||||
if (fwarg3 != CFE_EPTSEAL) {
|
||||
/* We are not booted from CFE */
|
||||
return;
|
||||
}
|
||||
if (fwarg1 == 0) {
|
||||
/* We are on the boot CPU */
|
||||
cfe_handle = (cfe_uint_t)fwarg0;
|
||||
cfe_trampoline = CFE_TO_PTR(fwarg2);
|
||||
}
|
||||
}
|
||||
|
||||
int cfe_vprintk(const char *fmt, va_list args)
|
||||
{
|
||||
static char buffer[1024];
|
||||
static DEFINE_SPINLOCK(lock);
|
||||
static const char pfx[] = "CFE-console: ";
|
||||
static const size_t pfx_len = sizeof(pfx) - 1;
|
||||
unsigned long flags;
|
||||
int len, cnt, pos;
|
||||
int handle;
|
||||
int res;
|
||||
|
||||
if (!cfe_present())
|
||||
return -ENODEV;
|
||||
|
||||
spin_lock_irqsave(&lock, flags);
|
||||
handle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE);
|
||||
if (CFE_ISERR(handle)) {
|
||||
len = -EIO;
|
||||
goto out;
|
||||
}
|
||||
strcpy(buffer, pfx);
|
||||
len = vscnprintf(buffer + pfx_len,
|
||||
sizeof(buffer) - pfx_len - 2,
|
||||
fmt, args);
|
||||
len += pfx_len;
|
||||
/* The CFE console requires CR-LF line-ends.
|
||||
* Add a CR, if we only terminate lines with a LF.
|
||||
* This does only fix CR-LF at the end of the string.
|
||||
* So for multiple lines, use multiple cfe_vprintk calls.
|
||||
*/
|
||||
if (len > 1 &&
|
||||
buffer[len - 1] == '\n' && buffer[len - 2] != '\r') {
|
||||
buffer[len - 1] = '\r';
|
||||
buffer[len] = '\n';
|
||||
len += 1;
|
||||
}
|
||||
cnt = len;
|
||||
pos = 0;
|
||||
while (cnt > 0) {
|
||||
res = cfe_write(handle, buffer + pos, len - pos);
|
||||
if (CFE_ISERR(res)) {
|
||||
len = -EIO;
|
||||
goto out;
|
||||
}
|
||||
cnt -= res;
|
||||
pos += res;
|
||||
}
|
||||
out:
|
||||
spin_unlock_irqrestore(&lock, flags);
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
int cfe_printk(const char *fmt, ...)
|
||||
{
|
||||
va_list args;
|
||||
int res;
|
||||
|
||||
va_start(args, fmt);
|
||||
res = cfe_vprintk(fmt, args);
|
||||
va_end(args);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
static int cfe_iocb_dispatch(struct cfe_iocb *iocb)
|
||||
{
|
||||
if (!cfe_present())
|
||||
return CFE_ERR_UNSUPPORTED;
|
||||
return cfe_trampoline((long)cfe_handle, (long)iocb);
|
||||
}
|
||||
|
||||
int cfe_present(void)
|
||||
{
|
||||
return (cfe_trampoline != NULL);
|
||||
}
|
||||
|
||||
int cfe_close(int handle)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_DEV_CLOSE;
|
||||
iocb.handle = handle;
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
|
||||
return (CFE_ISERR(err)) ? err : iocb.status;
|
||||
}
|
||||
|
||||
int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_FW_CPUCTL;
|
||||
iocb.psize = sizeof(struct cfe_iocb_cpuctl);
|
||||
iocb.cpuctl.number = cpu;
|
||||
iocb.cpuctl.command = CFE_CPU_CMD_START;
|
||||
iocb.cpuctl.gp = gp;
|
||||
iocb.cpuctl.sp = sp;
|
||||
iocb.cpuctl.a1 = a1;
|
||||
iocb.cpuctl.start_addr = (long)fn;
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
|
||||
return (CFE_ISERR(err)) ? err : iocb.status;
|
||||
}
|
||||
|
||||
int cfe_cpu_stop(int cpu)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_FW_CPUCTL;
|
||||
iocb.psize = sizeof(struct cfe_iocb_cpuctl);
|
||||
iocb.cpuctl.number = cpu;
|
||||
iocb.cpuctl.command = CFE_CPU_CMD_STOP;
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
|
||||
return (CFE_ISERR(err)) ? err : iocb.status;
|
||||
}
|
||||
|
||||
int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_ENV_ENUM;
|
||||
iocb.psize = sizeof(struct cfe_iocb_envbuf);
|
||||
iocb.envbuf.index = idx;
|
||||
iocb.envbuf.name = PTR_TO_CFE(name);
|
||||
iocb.envbuf.name_len = namelen;
|
||||
iocb.envbuf.val = PTR_TO_CFE(val);
|
||||
iocb.envbuf.val_len = vallen;
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
|
||||
return (CFE_ISERR(err)) ? err : iocb.status;
|
||||
}
|
||||
|
||||
int cfe_enumdev(int idx, char *name, int namelen)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
|
||||
iocb.fcode = CFE_CMD_DEV_ENUM;
|
||||
iocb.psize = sizeof(struct cfe_iocb_envbuf);
|
||||
iocb.envbuf.index = idx;
|
||||
iocb.envbuf.name = PTR_TO_CFE(name);
|
||||
iocb.envbuf.name_len = namelen;
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
|
||||
return (CFE_ISERR(err)) ? err : iocb.status;
|
||||
}
|
||||
|
||||
int cfe_enummem(int idx, int flags, u64 *start, u64 *length,
|
||||
u64 *type)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
|
||||
iocb.fcode = CFE_CMD_FW_MEMENUM;
|
||||
iocb.flags = flags;
|
||||
iocb.psize = sizeof(struct cfe_iocb_meminfo);
|
||||
iocb.meminfo.index = idx;
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
if (CFE_ISERR(err))
|
||||
return err;
|
||||
if (!CFE_ISERR(iocb.status)) {
|
||||
*start = iocb.meminfo.addr;
|
||||
*length = iocb.meminfo.size;
|
||||
*type = iocb.meminfo.type;
|
||||
}
|
||||
|
||||
return iocb.status;
|
||||
}
|
||||
|
||||
int cfe_exit(int warm, int status)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
printk("CFE REBOOT\n");
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_FW_RESTART;
|
||||
if (warm)
|
||||
iocb.flags = CFE_FLG_WARMSTART;
|
||||
iocb.psize = sizeof(struct cfe_iocb_exitstat);
|
||||
iocb.exitstat.status = status;
|
||||
|
||||
printk("CALL\n");
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
printk("DONE\n");
|
||||
|
||||
return (CFE_ISERR(err)) ? err : iocb.status;
|
||||
}
|
||||
|
||||
int cfe_flushcache(int flags)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_FW_FLUSHCACHE;
|
||||
iocb.flags = flags;
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
|
||||
return (CFE_ISERR(err)) ? err : iocb.status;
|
||||
}
|
||||
|
||||
int cfe_getdevinfo(char *name)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_DEV_GETINFO;
|
||||
iocb.psize = sizeof(struct cfe_iocb_buf);
|
||||
iocb.buffer.ptr = PTR_TO_CFE(name);
|
||||
iocb.buffer.length = strlen(name);
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
if (CFE_ISERR(err))
|
||||
return err;
|
||||
if (CFE_ISERR(iocb.status))
|
||||
return iocb.status;
|
||||
|
||||
return iocb.buffer.devflags;
|
||||
}
|
||||
|
||||
int cfe_getenv(char *name, char *dest, int destlen)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
dest[0] = '\0';
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_ENV_GET;
|
||||
iocb.psize = sizeof(struct cfe_iocb_envbuf);
|
||||
iocb.envbuf.name = PTR_TO_CFE(name);
|
||||
iocb.envbuf.name_len = strlen(name);
|
||||
iocb.envbuf.val = PTR_TO_CFE(dest);
|
||||
iocb.envbuf.val_len = destlen;
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
|
||||
return (CFE_ISERR(err)) ? err : iocb.status;
|
||||
}
|
||||
|
||||
int cfe_getfwinfo(struct cfe_fwinfo *info)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_FW_GETINFO;
|
||||
iocb.psize = sizeof(struct cfe_iocb_fwinfo);
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
if (CFE_ISERR(err))
|
||||
return err;
|
||||
if (CFE_ISERR(iocb.status))
|
||||
return err;
|
||||
|
||||
info->version = iocb.fwinfo.version;
|
||||
info->totalmem = iocb.fwinfo.totalmem;
|
||||
info->flags = iocb.fwinfo.flags;
|
||||
info->boardid = iocb.fwinfo.boardid;
|
||||
info->bootarea_va = iocb.fwinfo.bootarea_va;
|
||||
info->bootarea_pa = iocb.fwinfo.bootarea_pa;
|
||||
info->bootarea_size = iocb.fwinfo.bootarea_size;
|
||||
|
||||
return iocb.status;
|
||||
}
|
||||
|
||||
int cfe_getstdhandle(int handletype)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_DEV_GETHANDLE;
|
||||
iocb.flags = handletype;
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
if (CFE_ISERR(err))
|
||||
return err;
|
||||
if (CFE_ISERR(iocb.status))
|
||||
return iocb.status;
|
||||
|
||||
return iocb.handle;
|
||||
}
|
||||
|
||||
int cfe_getticks(s64 *ticks)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_FW_GETTIME;
|
||||
iocb.psize = sizeof(struct cfe_iocb_time);
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
if (CFE_ISERR(err))
|
||||
return err;
|
||||
if (!CFE_ISERR(iocb.status))
|
||||
*ticks = iocb.time.ticks;
|
||||
|
||||
return iocb.status;
|
||||
}
|
||||
|
||||
int cfe_inpstat(int handle)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_DEV_INPSTAT;
|
||||
iocb.handle = handle;
|
||||
iocb.psize = sizeof(struct cfe_iocb_inpstat);
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
if (CFE_ISERR(err))
|
||||
return err;
|
||||
if (CFE_ISERR(iocb.status))
|
||||
return iocb.status;
|
||||
|
||||
return iocb.inpstat.status;
|
||||
}
|
||||
|
||||
int cfe_ioctl(int handle, unsigned int ioctlnum,
|
||||
unsigned char *buffer, int length,
|
||||
int *retlen, u64 offset)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_DEV_IOCTL;
|
||||
iocb.handle = handle;
|
||||
iocb.psize = sizeof(struct cfe_iocb_buf);
|
||||
iocb.buffer.offset = offset;
|
||||
iocb.buffer.ioctlcmd = ioctlnum;
|
||||
iocb.buffer.ptr = PTR_TO_CFE(buffer);
|
||||
iocb.buffer.length = length;
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
if (CFE_ISERR(err))
|
||||
return err;
|
||||
if (CFE_ISERR(iocb.status))
|
||||
return iocb.status;
|
||||
if (retlen)
|
||||
*retlen = iocb.buffer.retlen;
|
||||
|
||||
return iocb.status;
|
||||
}
|
||||
|
||||
int cfe_open(char *name)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_DEV_OPEN;
|
||||
iocb.psize = sizeof(struct cfe_iocb_buf);
|
||||
iocb.buffer.ptr = PTR_TO_CFE(name);
|
||||
iocb.buffer.length = strlen(name);
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
if (CFE_ISERR(err))
|
||||
return err;
|
||||
if (CFE_ISERR(iocb.status))
|
||||
return iocb.status;
|
||||
|
||||
return iocb.handle;
|
||||
}
|
||||
|
||||
int cfe_read(int handle, unsigned char *buffer, int length)
|
||||
{
|
||||
return cfe_readblk(handle, 0, buffer, length);
|
||||
}
|
||||
|
||||
int cfe_readblk(int handle, s64 offset, unsigned char *buffer, int length)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_DEV_READ;
|
||||
iocb.handle = handle;
|
||||
iocb.psize = sizeof(struct cfe_iocb_buf);
|
||||
iocb.buffer.offset = offset;
|
||||
iocb.buffer.ptr = PTR_TO_CFE(buffer);
|
||||
iocb.buffer.length = length;
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
if (CFE_ISERR(err))
|
||||
return err;
|
||||
if (CFE_ISERR(iocb.status))
|
||||
return iocb.status;
|
||||
|
||||
return iocb.buffer.retlen;
|
||||
}
|
||||
|
||||
int cfe_setenv(char *name, char *val)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_ENV_SET;
|
||||
iocb.psize = sizeof(struct cfe_iocb_envbuf);
|
||||
iocb.envbuf.name = PTR_TO_CFE(name);
|
||||
iocb.envbuf.name_len = strlen(name);
|
||||
iocb.envbuf.val = PTR_TO_CFE(val);
|
||||
iocb.envbuf.val_len = strlen(val);
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
|
||||
return (CFE_ISERR(err)) ? err : iocb.status;
|
||||
}
|
||||
|
||||
int cfe_write(int handle, unsigned char *buffer, int length)
|
||||
{
|
||||
return cfe_writeblk(handle, 0, buffer, length);
|
||||
}
|
||||
|
||||
int cfe_writeblk(int handle, s64 offset, unsigned char *buffer, int length)
|
||||
{
|
||||
struct cfe_iocb iocb;
|
||||
int err;
|
||||
|
||||
memset(&iocb, 0, sizeof(iocb));
|
||||
iocb.fcode = CFE_CMD_DEV_WRITE;
|
||||
iocb.handle = handle;
|
||||
iocb.psize = sizeof(struct cfe_iocb_buf);
|
||||
iocb.buffer.offset = offset;
|
||||
iocb.buffer.ptr = PTR_TO_CFE(buffer);
|
||||
iocb.buffer.length = length;
|
||||
|
||||
err = cfe_iocb_dispatch(&iocb);
|
||||
if (CFE_ISERR(err))
|
||||
return err;
|
||||
if (CFE_ISERR(iocb.status))
|
||||
return iocb.status;
|
||||
|
||||
return iocb.buffer.retlen;
|
||||
}
|
176
target/linux/brcm47xx-2.6/files/arch/mips/cfe/cfe_private.h
Normal file
176
target/linux/brcm47xx-2.6/files/arch/mips/cfe/cfe_private.h
Normal file
|
@ -0,0 +1,176 @@
|
|||
/*
|
||||
* Broadcom Common Firmware Environment (CFE) support
|
||||
*
|
||||
* Copyright 2000, 2001, 2002
|
||||
* Broadcom Corporation. All rights reserved.
|
||||
*
|
||||
* Copyright (C) 2006 Michael Buesch
|
||||
*
|
||||
* Original Authors: Mitch Lichtenberg, Chris Demetriou
|
||||
*
|
||||
* This software is furnished under license and may be used and copied only
|
||||
* in accordance with the following terms and conditions. Subject to these
|
||||
* conditions, you may download, copy, install, use, modify and distribute
|
||||
* modified or unmodified copies of this software in source and/or binary
|
||||
* form. No title or ownership is transferred hereby.
|
||||
*
|
||||
* 1) Any source code used, modified or distributed must reproduce and
|
||||
* retain this copyright notice and list of conditions as they appear in
|
||||
* the source file.
|
||||
*
|
||||
* 2) No right is granted to use any trade name, trademark, or logo of
|
||||
* Broadcom Corporation. The "Broadcom Corporation" name may not be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without the prior written permission of Broadcom Corporation.
|
||||
*
|
||||
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
|
||||
* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
|
||||
* FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
|
||||
* LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
||||
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||||
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
||||
* OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifndef LINUX_CFE_PRIVATE_H_
|
||||
#define LINUX_CFE_PRIVATE_H_
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
/* Seal indicating CFE's presence, passed to the kernel. */
|
||||
#define CFE_EPTSEAL 0x43464531
|
||||
|
||||
#define CFE_CMD_FW_GETINFO 0
|
||||
#define CFE_CMD_FW_RESTART 1
|
||||
#define CFE_CMD_FW_BOOT 2
|
||||
#define CFE_CMD_FW_CPUCTL 3
|
||||
#define CFE_CMD_FW_GETTIME 4
|
||||
#define CFE_CMD_FW_MEMENUM 5
|
||||
#define CFE_CMD_FW_FLUSHCACHE 6
|
||||
|
||||
#define CFE_CMD_DEV_GETHANDLE 9
|
||||
#define CFE_CMD_DEV_ENUM 10
|
||||
#define CFE_CMD_DEV_OPEN 11
|
||||
#define CFE_CMD_DEV_INPSTAT 12
|
||||
#define CFE_CMD_DEV_READ 13
|
||||
#define CFE_CMD_DEV_WRITE 14
|
||||
#define CFE_CMD_DEV_IOCTL 15
|
||||
#define CFE_CMD_DEV_CLOSE 16
|
||||
#define CFE_CMD_DEV_GETINFO 17
|
||||
|
||||
#define CFE_CMD_ENV_ENUM 20
|
||||
#define CFE_CMD_ENV_GET 22
|
||||
#define CFE_CMD_ENV_SET 23
|
||||
#define CFE_CMD_ENV_DEL 24
|
||||
|
||||
#define CFE_CMD_MAX 32
|
||||
|
||||
#define CFE_CMD_VENDOR_USE 0x8000 /* codes above this are for customer use */
|
||||
|
||||
typedef u64 cfe_uint_t;
|
||||
typedef s64 cfe_int_t;
|
||||
typedef s64 cfe_ptr_t;
|
||||
|
||||
/* Cast a pointer from native to CFE-API pointer and back */
|
||||
#define CFE_TO_PTR(p) ((void *)(unsigned long)(p))
|
||||
#define PTR_TO_CFE(p) ((cfe_ptr_t)(unsigned long)(p))
|
||||
|
||||
struct cfe_iocb_buf {
|
||||
cfe_uint_t offset; /* offset on device (bytes) */
|
||||
cfe_ptr_t ptr; /* pointer to a buffer */
|
||||
cfe_uint_t length; /* length of this buffer */
|
||||
cfe_uint_t retlen; /* returned length (for read ops) */
|
||||
union {
|
||||
cfe_uint_t ioctlcmd; /* IOCTL command (used only for IOCTLs) */
|
||||
cfe_uint_t devflags; /* Returned device info flags */
|
||||
};
|
||||
};
|
||||
|
||||
struct cfe_iocb_inpstat {
|
||||
cfe_uint_t status; /* 1 means input available */
|
||||
};
|
||||
|
||||
struct cfe_iocb_envbuf {
|
||||
cfe_int_t index; /* 0-based enumeration index */
|
||||
cfe_ptr_t name; /* name string buffer */
|
||||
cfe_int_t name_len; /* size of name buffer */
|
||||
cfe_ptr_t val; /* value string buffer */
|
||||
cfe_int_t val_len; /* size of value string buffer */
|
||||
};
|
||||
|
||||
struct cfe_iocb_cpuctl {
|
||||
cfe_uint_t number; /* cpu number to control */
|
||||
cfe_uint_t command; /* command to issue to CPU */
|
||||
cfe_uint_t start_addr; /* CPU start address */
|
||||
cfe_uint_t gp; /* starting GP value */
|
||||
cfe_uint_t sp; /* starting SP value */
|
||||
cfe_uint_t a1; /* starting A1 value */
|
||||
};
|
||||
|
||||
struct cfe_iocb_time {
|
||||
cfe_int_t ticks; /* current time in ticks */
|
||||
};
|
||||
|
||||
struct cfe_iocb_exitstat {
|
||||
cfe_int_t status;
|
||||
};
|
||||
|
||||
struct cfe_iocb_meminfo {
|
||||
cfe_int_t index; /* 0-based enumeration index */
|
||||
cfe_int_t type; /* type of memory block */
|
||||
cfe_uint_t addr; /* physical start address */
|
||||
cfe_uint_t size; /* block size */
|
||||
};
|
||||
|
||||
struct cfe_iocb_fwinfo {
|
||||
cfe_int_t version; /* major, minor, eco version */
|
||||
cfe_int_t totalmem; /* total installed mem */
|
||||
cfe_int_t flags; /* various flags */
|
||||
cfe_int_t boardid; /* board ID */
|
||||
cfe_int_t bootarea_va; /* VA of boot area */
|
||||
cfe_int_t bootarea_pa; /* PA of boot area */
|
||||
cfe_int_t bootarea_size; /* size of boot area */
|
||||
cfe_int_t reserved1;
|
||||
cfe_int_t reserved2;
|
||||
cfe_int_t reserved3;
|
||||
};
|
||||
|
||||
/* CFE I/O Control Block */
|
||||
struct cfe_iocb {
|
||||
cfe_uint_t fcode; /* IOCB function code */
|
||||
cfe_int_t status; /* return status */
|
||||
cfe_int_t handle; /* file/device handle */
|
||||
cfe_uint_t flags; /* flags for this IOCB */
|
||||
cfe_uint_t psize; /* size of parameter list */
|
||||
union {
|
||||
struct cfe_iocb_buf buffer; /* buffer parameters */
|
||||
struct cfe_iocb_inpstat inpstat; /* input status parameters */
|
||||
struct cfe_iocb_envbuf envbuf; /* environment function parameters */
|
||||
struct cfe_iocb_cpuctl cpuctl; /* CPU control parameters */
|
||||
struct cfe_iocb_time time; /* timer parameters */
|
||||
struct cfe_iocb_meminfo meminfo; /* memory arena info parameters */
|
||||
struct cfe_iocb_fwinfo fwinfo; /* firmware information */
|
||||
struct cfe_iocb_exitstat exitstat; /* Exit Status */
|
||||
};
|
||||
};
|
||||
|
||||
|
||||
#include <linux/init.h>
|
||||
|
||||
void __init cfe_setup(unsigned long fwarg0, unsigned long fwarg1,
|
||||
unsigned long fwarg2, unsigned long fwarg3);
|
||||
|
||||
#else /* __ASSEMBLY__ */
|
||||
|
||||
.macro cfe_early_init
|
||||
#ifdef CONFIG_CFE
|
||||
jal cfe_setup
|
||||
#endif
|
||||
.endm
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* LINUX_CFE_PRIVATE_H_ */
|
473
target/linux/brcm47xx-2.6/files/drivers/mtd/maps/bcm47xx-flash.c
Normal file
473
target/linux/brcm47xx-2.6/files/drivers/mtd/maps/bcm47xx-flash.c
Normal file
|
@ -0,0 +1,473 @@
|
|||
/*
|
||||
* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
|
||||
* Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
|
||||
* Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
|
||||
*
|
||||
* original functions for finding root filesystem from Mike Baker
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
|
||||
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*
|
||||
* Copyright 2001-2003, Broadcom Corporation
|
||||
* All Rights Reserved.
|
||||
*
|
||||
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
|
||||
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
|
||||
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
|
||||
*
|
||||
* Flash mapping for BCM947XX boards
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/types.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/wait.h>
|
||||
#include <linux/mtd/mtd.h>
|
||||
#include <linux/mtd/map.h>
|
||||
#ifdef CONFIG_MTD_PARTITIONS
|
||||
#include <linux/mtd/partitions.h>
|
||||
#endif
|
||||
#include <linux/squashfs_fs.h>
|
||||
#include <linux/jffs2.h>
|
||||
#include <linux/crc32.h>
|
||||
#include <linux/ssb/ssb.h>
|
||||
#include <asm/io.h>
|
||||
|
||||
|
||||
#define TRX_MAGIC 0x30524448 /* "HDR0" */
|
||||
#define TRX_VERSION 1
|
||||
#define TRX_MAX_LEN 0x3A0000
|
||||
#define TRX_NO_HEADER 1 /* Do not write TRX header */
|
||||
#define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */
|
||||
#define TRX_MAX_OFFSET 3
|
||||
|
||||
struct trx_header {
|
||||
u32 magic; /* "HDR0" */
|
||||
u32 len; /* Length of file including header */
|
||||
u32 crc32; /* 32-bit CRC from flag_version to end of file */
|
||||
u32 flag_version; /* 0:15 flags, 16:31 version */
|
||||
u32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */
|
||||
};
|
||||
|
||||
#define ROUNDUP(x, y) ((((x)+((y)-1))/(y))*(y))
|
||||
#define NVRAM_SPACE 0x8000
|
||||
#define WINDOW_ADDR 0x1fc00000
|
||||
#define WINDOW_SIZE 0x400000
|
||||
#define BUSWIDTH 2
|
||||
|
||||
extern struct ssb_bus ssb;
|
||||
static struct mtd_info *bcm947xx_mtd;
|
||||
|
||||
static void bcm947xx_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
|
||||
{
|
||||
#define MIPS_MEMCPY_ALIGN 4
|
||||
map_word ret;
|
||||
ssize_t transfer;
|
||||
ssize_t done = 0;
|
||||
if ((len >= MIPS_MEMCPY_ALIGN) && (!(from & (MIPS_MEMCPY_ALIGN - 1))) && (!(((unsigned int)to & (MIPS_MEMCPY_ALIGN - 1))))) {
|
||||
done = len & ~(MIPS_MEMCPY_ALIGN - 1);
|
||||
memcpy_fromio(to, map->virt + from, done);
|
||||
}
|
||||
while (done < len) {
|
||||
ret = map->read(map, from + done);
|
||||
transfer = len - done;
|
||||
if (transfer > map->bankwidth)
|
||||
transfer = map->bankwidth;
|
||||
memcpy((void *)((unsigned long)to + done), &ret.x[0], transfer);
|
||||
done += transfer;
|
||||
}
|
||||
}
|
||||
|
||||
static struct map_info bcm947xx_map = {
|
||||
name: "Physically mapped flash",
|
||||
size: WINDOW_SIZE,
|
||||
bankwidth: BUSWIDTH,
|
||||
phys: WINDOW_ADDR,
|
||||
};
|
||||
|
||||
#ifdef CONFIG_MTD_PARTITIONS
|
||||
|
||||
static struct mtd_partition bcm947xx_parts[] = {
|
||||
{ name: "cfe", offset: 0, size: 0, mask_flags: MTD_WRITEABLE, },
|
||||
{ name: "linux", offset: 0, size: 0, },
|
||||
{ name: "rootfs", offset: 0, size: 0, },
|
||||
{ name: "nvram", offset: 0, size: 0, },
|
||||
{ name: "OpenWrt", offset: 0, size: 0, },
|
||||
{ name: NULL, },
|
||||
};
|
||||
|
||||
static int __init
|
||||
find_cfe_size(struct mtd_info *mtd, size_t size)
|
||||
{
|
||||
struct trx_header *trx;
|
||||
unsigned char buf[512];
|
||||
int off;
|
||||
size_t len;
|
||||
int blocksize;
|
||||
|
||||
trx = (struct trx_header *) buf;
|
||||
|
||||
blocksize = mtd->erasesize;
|
||||
if (blocksize < 0x10000)
|
||||
blocksize = 0x10000;
|
||||
|
||||
for (off = (128*1024); off < size; off += blocksize) {
|
||||
memset(buf, 0xe5, sizeof(buf));
|
||||
|
||||
/*
|
||||
* Read into buffer
|
||||
*/
|
||||
if (mtd->read(mtd, off, sizeof(buf), &len, buf) ||
|
||||
len != sizeof(buf))
|
||||
continue;
|
||||
|
||||
/* found a TRX header */
|
||||
if (le32_to_cpu(trx->magic) == TRX_MAGIC) {
|
||||
goto found;
|
||||
}
|
||||
}
|
||||
|
||||
printk(KERN_NOTICE
|
||||
"%s: Couldn't find bootloader size\n",
|
||||
mtd->name);
|
||||
return -1;
|
||||
|
||||
found:
|
||||
printk(KERN_NOTICE "bootloader size: %d\n", off);
|
||||
return off;
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
* Copied from mtdblock.c
|
||||
*
|
||||
* Cache stuff...
|
||||
*
|
||||
* Since typical flash erasable sectors are much larger than what Linux's
|
||||
* buffer cache can handle, we must implement read-modify-write on flash
|
||||
* sectors for each block write requests. To avoid over-erasing flash sectors
|
||||
* and to speed things up, we locally cache a whole flash sector while it is
|
||||
* being written to until a different sector is required.
|
||||
*/
|
||||
|
||||
static void erase_callback(struct erase_info *done)
|
||||
{
|
||||
wait_queue_head_t *wait_q = (wait_queue_head_t *)done->priv;
|
||||
wake_up(wait_q);
|
||||
}
|
||||
|
||||
static int erase_write (struct mtd_info *mtd, unsigned long pos,
|
||||
int len, const char *buf)
|
||||
{
|
||||
struct erase_info erase;
|
||||
DECLARE_WAITQUEUE(wait, current);
|
||||
wait_queue_head_t wait_q;
|
||||
size_t retlen;
|
||||
int ret;
|
||||
|
||||
/*
|
||||
* First, let's erase the flash block.
|
||||
*/
|
||||
|
||||
init_waitqueue_head(&wait_q);
|
||||
erase.mtd = mtd;
|
||||
erase.callback = erase_callback;
|
||||
erase.addr = pos;
|
||||
erase.len = len;
|
||||
erase.priv = (u_long)&wait_q;
|
||||
|
||||
set_current_state(TASK_INTERRUPTIBLE);
|
||||
add_wait_queue(&wait_q, &wait);
|
||||
|
||||
ret = mtd->erase(mtd, &erase);
|
||||
if (ret) {
|
||||
set_current_state(TASK_RUNNING);
|
||||
remove_wait_queue(&wait_q, &wait);
|
||||
printk (KERN_WARNING "erase of region [0x%lx, 0x%x] "
|
||||
"on \"%s\" failed\n",
|
||||
pos, len, mtd->name);
|
||||
return ret;
|
||||
}
|
||||
|
||||
schedule(); /* Wait for erase to finish. */
|
||||
remove_wait_queue(&wait_q, &wait);
|
||||
|
||||
/*
|
||||
* Next, writhe data to flash.
|
||||
*/
|
||||
|
||||
ret = mtd->write (mtd, pos, len, &retlen, buf);
|
||||
if (ret)
|
||||
return ret;
|
||||
if (retlen != len)
|
||||
return -EIO;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
static int __init
|
||||
find_root(struct mtd_info *mtd, size_t size, struct mtd_partition *part)
|
||||
{
|
||||
struct trx_header trx, *trx2;
|
||||
unsigned char buf[512], *block;
|
||||
int off, blocksize;
|
||||
u32 i, crc = ~0;
|
||||
size_t len;
|
||||
struct squashfs_super_block *sb = (struct squashfs_super_block *) buf;
|
||||
|
||||
blocksize = mtd->erasesize;
|
||||
if (blocksize < 0x10000)
|
||||
blocksize = 0x10000;
|
||||
|
||||
for (off = (128*1024); off < size; off += blocksize) {
|
||||
memset(&trx, 0xe5, sizeof(trx));
|
||||
|
||||
/*
|
||||
* Read into buffer
|
||||
*/
|
||||
if (mtd->read(mtd, off, sizeof(trx), &len, (char *) &trx) ||
|
||||
len != sizeof(trx))
|
||||
continue;
|
||||
|
||||
/* found a TRX header */
|
||||
if (le32_to_cpu(trx.magic) == TRX_MAGIC) {
|
||||
part->offset = le32_to_cpu(trx.offsets[2]) ? :
|
||||
le32_to_cpu(trx.offsets[1]);
|
||||
part->size = le32_to_cpu(trx.len);
|
||||
|
||||
part->size -= part->offset;
|
||||
part->offset += off;
|
||||
|
||||
goto found;
|
||||
}
|
||||
}
|
||||
|
||||
printk(KERN_NOTICE
|
||||
"%s: Couldn't find root filesystem\n",
|
||||
mtd->name);
|
||||
return -1;
|
||||
|
||||
found:
|
||||
if (part->size == 0)
|
||||
return 0;
|
||||
|
||||
if (mtd->read(mtd, part->offset, sizeof(buf), &len, buf) || len != sizeof(buf))
|
||||
return 0;
|
||||
|
||||
if (*((__u32 *) buf) == SQUASHFS_MAGIC) {
|
||||
printk(KERN_INFO "%s: Filesystem type: squashfs, size=0x%x\n", mtd->name, (u32) sb->bytes_used);
|
||||
|
||||
/* Update the squashfs partition size based on the superblock info */
|
||||
part->size = sb->bytes_used;
|
||||
len = part->offset + part->size;
|
||||
len += (mtd->erasesize - 1);
|
||||
len &= ~(mtd->erasesize - 1);
|
||||
part->size = len - part->offset;
|
||||
} else if (*((__u16 *) buf) == JFFS2_MAGIC_BITMASK) {
|
||||
printk(KERN_INFO "%s: Filesystem type: jffs2\n", mtd->name);
|
||||
|
||||
/* Move the squashfs outside of the trx */
|
||||
part->size = 0;
|
||||
} else {
|
||||
printk(KERN_INFO "%s: Filesystem type: unknown\n", mtd->name);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (trx.len != part->offset + part->size - off) {
|
||||
/* Update the trx offsets and length */
|
||||
trx.len = part->offset + part->size - off;
|
||||
|
||||
/* Update the trx crc32 */
|
||||
for (i = (u32) &(((struct trx_header *)NULL)->flag_version); i <= trx.len; i += sizeof(buf)) {
|
||||
if (mtd->read(mtd, off + i, sizeof(buf), &len, buf) || len != sizeof(buf))
|
||||
return 0;
|
||||
crc = crc32_le(crc, buf, min(sizeof(buf), trx.len - i));
|
||||
}
|
||||
trx.crc32 = crc;
|
||||
|
||||
/* read first eraseblock from the trx */
|
||||
block = kmalloc(mtd->erasesize, GFP_KERNEL);
|
||||
trx2 = (struct trx_header *) block;
|
||||
if (mtd->read(mtd, off, mtd->erasesize, &len, block) || len != mtd->erasesize) {
|
||||
printk("Error accessing the first trx eraseblock\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
printk("Updating TRX offsets and length:\n");
|
||||
printk("old trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx2->offsets[0], trx2->offsets[1], trx2->offsets[2], trx2->len, trx2->crc32);
|
||||
printk("new trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx.offsets[0], trx.offsets[1], trx.offsets[2], trx.len, trx.crc32);
|
||||
|
||||
/* Write updated trx header to the flash */
|
||||
memcpy(block, &trx, sizeof(trx));
|
||||
if (mtd->unlock)
|
||||
mtd->unlock(mtd, off, mtd->erasesize);
|
||||
erase_write(mtd, off, mtd->erasesize, block);
|
||||
if (mtd->sync)
|
||||
mtd->sync(mtd);
|
||||
kfree(block);
|
||||
printk("Done\n");
|
||||
}
|
||||
|
||||
return part->size;
|
||||
}
|
||||
|
||||
struct mtd_partition * __init
|
||||
init_mtd_partitions(struct mtd_info *mtd, size_t size)
|
||||
{
|
||||
int cfe_size;
|
||||
|
||||
if ((cfe_size = find_cfe_size(mtd,size)) < 0)
|
||||
return NULL;
|
||||
|
||||
/* boot loader */
|
||||
bcm947xx_parts[0].offset = 0;
|
||||
bcm947xx_parts[0].size = cfe_size;
|
||||
|
||||
/* nvram */
|
||||
if (cfe_size != 384 * 1024) {
|
||||
bcm947xx_parts[3].offset = size - ROUNDUP(NVRAM_SPACE, mtd->erasesize);
|
||||
bcm947xx_parts[3].size = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
|
||||
} else {
|
||||
/* nvram (old 128kb config partition on netgear wgt634u) */
|
||||
bcm947xx_parts[3].offset = bcm947xx_parts[0].size;
|
||||
bcm947xx_parts[3].size = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
|
||||
}
|
||||
|
||||
/* linux (kernel and rootfs) */
|
||||
if (cfe_size != 384 * 1024) {
|
||||
bcm947xx_parts[1].offset = bcm947xx_parts[0].size;
|
||||
bcm947xx_parts[1].size = bcm947xx_parts[3].offset -
|
||||
bcm947xx_parts[1].offset;
|
||||
} else {
|
||||
/* do not count the elf loader, which is on one block */
|
||||
bcm947xx_parts[1].offset = bcm947xx_parts[0].size +
|
||||
bcm947xx_parts[3].size + mtd->erasesize;
|
||||
bcm947xx_parts[1].size = size -
|
||||
bcm947xx_parts[0].size -
|
||||
(2*bcm947xx_parts[3].size) -
|
||||
mtd->erasesize;
|
||||
}
|
||||
|
||||
/* find and size rootfs */
|
||||
if (find_root(mtd,size,&bcm947xx_parts[2])==0) {
|
||||
/* entirely jffs2 */
|
||||
bcm947xx_parts[4].name = NULL;
|
||||
bcm947xx_parts[2].size = size - bcm947xx_parts[2].offset -
|
||||
bcm947xx_parts[3].size;
|
||||
} else {
|
||||
/* legacy setup */
|
||||
/* calculate leftover flash, and assign it to the jffs2 partition */
|
||||
if (cfe_size != 384 * 1024) {
|
||||
bcm947xx_parts[4].offset = bcm947xx_parts[2].offset +
|
||||
bcm947xx_parts[2].size;
|
||||
if ((bcm947xx_parts[4].offset % mtd->erasesize) > 0) {
|
||||
bcm947xx_parts[4].offset += mtd->erasesize -
|
||||
(bcm947xx_parts[4].offset % mtd->erasesize);
|
||||
}
|
||||
bcm947xx_parts[4].size = bcm947xx_parts[3].offset -
|
||||
bcm947xx_parts[4].offset;
|
||||
} else {
|
||||
bcm947xx_parts[4].offset = bcm947xx_parts[2].offset +
|
||||
bcm947xx_parts[2].size;
|
||||
if ((bcm947xx_parts[4].offset % mtd->erasesize) > 0) {
|
||||
bcm947xx_parts[4].offset += mtd->erasesize -
|
||||
(bcm947xx_parts[4].offset % mtd->erasesize);
|
||||
}
|
||||
bcm947xx_parts[4].size = size - bcm947xx_parts[3].size -
|
||||
bcm947xx_parts[4].offset;
|
||||
}
|
||||
}
|
||||
|
||||
return bcm947xx_parts;
|
||||
}
|
||||
#endif
|
||||
|
||||
int __init init_bcm947xx_map(void)
|
||||
{
|
||||
struct ssb_mipscore *mcore = &ssb.mipscore;
|
||||
size_t size;
|
||||
int ret = 0;
|
||||
#ifdef CONFIG_MTD_PARTITIONS
|
||||
struct mtd_partition *parts;
|
||||
int i;
|
||||
#endif
|
||||
u32 window = mcore->flash_window;
|
||||
u32 window_size = mcore->flash_window_size;
|
||||
|
||||
printk("flash init: 0x%08x 0x%08x\n", window, window_size);
|
||||
bcm947xx_map.phys = window;
|
||||
bcm947xx_map.size = window_size;
|
||||
bcm947xx_map.virt = ioremap_nocache(window, window_size);
|
||||
|
||||
if (!bcm947xx_map.virt) {
|
||||
printk("Failed to ioremap\n");
|
||||
return -EIO;
|
||||
}
|
||||
simple_map_init(&bcm947xx_map);
|
||||
|
||||
bcm947xx_map.copy_from = bcm947xx_map_copy_from;
|
||||
|
||||
if (!(bcm947xx_mtd = do_map_probe("cfi_probe", &bcm947xx_map))) {
|
||||
printk("Failed to do_map_probe\n");
|
||||
iounmap((void *)bcm947xx_map.virt);
|
||||
return -ENXIO;
|
||||
}
|
||||
|
||||
bcm947xx_mtd->owner = THIS_MODULE;
|
||||
|
||||
size = bcm947xx_mtd->size;
|
||||
|
||||
printk(KERN_NOTICE "Flash device: 0x%x at 0x%x\n", size, WINDOW_ADDR);
|
||||
|
||||
#ifdef CONFIG_MTD_PARTITIONS
|
||||
parts = init_mtd_partitions(bcm947xx_mtd, size);
|
||||
for (i = 0; parts[i].name; i++);
|
||||
ret = add_mtd_partitions(bcm947xx_mtd, parts, i);
|
||||
if (ret) {
|
||||
printk(KERN_ERR "Flash: add_mtd_partitions failed\n");
|
||||
goto fail;
|
||||
}
|
||||
#endif
|
||||
return 0;
|
||||
|
||||
fail:
|
||||
if (bcm947xx_mtd)
|
||||
map_destroy(bcm947xx_mtd);
|
||||
if (bcm947xx_map.virt)
|
||||
iounmap((void *)bcm947xx_map.virt);
|
||||
bcm947xx_map.virt = 0;
|
||||
return ret;
|
||||
}
|
||||
|
||||
void __exit cleanup_bcm947xx_map(void)
|
||||
{
|
||||
#ifdef CONFIG_MTD_PARTITIONS
|
||||
del_mtd_partitions(bcm947xx_mtd);
|
||||
#endif
|
||||
map_destroy(bcm947xx_mtd);
|
||||
iounmap((void *)bcm947xx_map.virt);
|
||||
}
|
||||
|
||||
module_init(init_bcm947xx_map);
|
||||
module_exit(cleanup_bcm947xx_map);
|
74
target/linux/brcm47xx-2.6/files/drivers/ssb/Kconfig
Normal file
74
target/linux/brcm47xx-2.6/files/drivers/ssb/Kconfig
Normal file
|
@ -0,0 +1,74 @@
|
|||
menu "Sonics Silicon Backplane"
|
||||
|
||||
config SSB
|
||||
tristate "Sonics Silicon Backplane support"
|
||||
depends on EXPERIMENTAL
|
||||
help
|
||||
Support for the Sonics Silicon Backplane bus
|
||||
|
||||
The module will be called ssb
|
||||
|
||||
If unsure, say M
|
||||
|
||||
config SSB_PCIHOST
|
||||
bool "Support for SSB on PCI-bus host"
|
||||
depends on SSB && PCI
|
||||
default y
|
||||
help
|
||||
Support for a Sonics Silicon Backplane on top
|
||||
of a PCI device.
|
||||
|
||||
If unsure, say Y
|
||||
|
||||
config SSB_PCMCIAHOST
|
||||
bool "Support for SSB on PCMCIA-bus host"
|
||||
depends on SSB && PCMCIA
|
||||
help
|
||||
Support for a Sonics Silicon Backplane on top
|
||||
of a PCMCIA device.
|
||||
|
||||
If unsure, say N
|
||||
|
||||
config SSB_SILENT
|
||||
bool "No SSB kernel messages"
|
||||
depends on SSB
|
||||
help
|
||||
This option turns off all Sonics Silicon Backplane printks.
|
||||
Note that you won't be able to identify problems, once
|
||||
messages are turned off.
|
||||
This might only be desired for production kernels on
|
||||
embedded devices to reduce the kernel size.
|
||||
|
||||
Say N
|
||||
|
||||
config SSB_DEBUG
|
||||
bool "SSB debugging"
|
||||
depends on SSB && !SSB_SILENT
|
||||
help
|
||||
This turns on additional runtime checks and debugging
|
||||
messages. Turn this on for SSB troubleshooting.
|
||||
|
||||
If unsure, say N
|
||||
|
||||
config SSB_SERIAL
|
||||
bool
|
||||
depends on SSB
|
||||
# ChipCommon and ExtIf serial support routines.
|
||||
|
||||
config SSB_DRIVER_PCICORE
|
||||
bool "SSB PCI core driver"
|
||||
depends on SSB && SSB_PCIHOST
|
||||
default y
|
||||
help
|
||||
Driver for the Sonics Silicon Backplane attached
|
||||
Broadcom PCI core.
|
||||
|
||||
If unsure, say Y
|
||||
|
||||
config SSB_PCICORE_HOSTMODE
|
||||
bool "Hostmode support for SSB PCI core"
|
||||
depends on SSB_DRIVER_PCICORE && SSB_DRIVER_MIPS
|
||||
help
|
||||
PCIcore hostmode operation (external PCI bus).
|
||||
|
||||
endmenu
|
14
target/linux/brcm47xx-2.6/files/drivers/ssb/Makefile
Normal file
14
target/linux/brcm47xx-2.6/files/drivers/ssb/Makefile
Normal file
|
@ -0,0 +1,14 @@
|
|||
ssb-driver-chipcommon-y := driver_chipcommon/chipcommon.o
|
||||
ssb-driver-mips-$(CONFIG_BCM947XX) := driver_mips/mips.o
|
||||
ssb-driver-pci-$(CONFIG_SSB_DRIVER_PCICORE) := driver_pci/pcicore.o
|
||||
|
||||
ssb-$(CONFIG_SSB_PCIHOST) += pci.o
|
||||
ssb-$(CONFIG_SSB_PCMCIAHOST) += pcmcia.o
|
||||
|
||||
obj-$(CONFIG_SSB) += ssb.o
|
||||
|
||||
ssb-objs := core.o scan.o \
|
||||
$(ssb-y) $(ssb-m) \
|
||||
$(ssb-driver-chipcommon-y) \
|
||||
$(ssb-driver-mips-y) \
|
||||
$(ssb-driver-pci-y)
|
805
target/linux/brcm47xx-2.6/files/drivers/ssb/core.c
Normal file
805
target/linux/brcm47xx-2.6/files/drivers/ssb/core.c
Normal file
|
@ -0,0 +1,805 @@
|
|||
/*
|
||||
* Sonics Silicon Backplane
|
||||
* Subsystem core
|
||||
*
|
||||
* Copyright 2005, Broadcom Corporation
|
||||
* Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
|
||||
*
|
||||
* Licensed under the GNU/GPL. See COPYING for details.
|
||||
*/
|
||||
|
||||
#include "ssb_private.h"
|
||||
|
||||
#include <linux/delay.h>
|
||||
#include <linux/ssb/ssb.h>
|
||||
#include <linux/ssb/ssb_regs.h>
|
||||
|
||||
#ifdef CONFIG_SSB_PCIHOST
|
||||
# include <linux/pci.h>
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_SSB_PCMCIAHOST
|
||||
# include <pcmcia/cs_types.h>
|
||||
# include <pcmcia/cs.h>
|
||||
# include <pcmcia/cistpl.h>
|
||||
# include <pcmcia/ds.h>
|
||||
#endif
|
||||
|
||||
|
||||
MODULE_DESCRIPTION("Sonics Silicon Backplane driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
|
||||
static LIST_HEAD(attach_queue);
|
||||
static LIST_HEAD(buses);
|
||||
static int nr_buses;
|
||||
static DEFINE_MUTEX(buses_mutex);
|
||||
|
||||
#define ssb_buses_lock() do { \
|
||||
if (!is_early_boot()) \
|
||||
mutex_lock(&buses_mutex); \
|
||||
} while (0)
|
||||
|
||||
#define ssb_buses_unlock() do { \
|
||||
if (!is_early_boot()) \
|
||||
mutex_unlock(&buses_mutex); \
|
||||
} while (0)
|
||||
|
||||
|
||||
static struct ssb_device * ssb_device_get(struct ssb_device *dev)
|
||||
{
|
||||
if (dev)
|
||||
get_device(&dev->dev);
|
||||
return dev;
|
||||
}
|
||||
|
||||
static void ssb_device_put(struct ssb_device *dev)
|
||||
{
|
||||
if (dev)
|
||||
put_device(&dev->dev);
|
||||
}
|
||||
|
||||
static void ssb_bus_resume(struct ssb_bus *bus)
|
||||
{
|
||||
printk("SSB BUS RESUME\n");
|
||||
ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1);
|
||||
ssb_chipco_resume(&bus->chipco);
|
||||
}
|
||||
|
||||
static int ssb_device_resume(struct device *dev)
|
||||
{
|
||||
struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
|
||||
struct ssb_driver *ssb_drv;
|
||||
struct ssb_bus *bus;
|
||||
int err = 0;
|
||||
|
||||
printk("SSB DEV RESUME\n");
|
||||
bus = ssb_dev->bus;
|
||||
if (bus->suspend_cnt == bus->nr_devices)
|
||||
ssb_bus_resume(bus);
|
||||
bus->suspend_cnt--;
|
||||
if (dev->driver) {
|
||||
ssb_drv = drv_to_ssb_drv(dev->driver);
|
||||
if (ssb_drv && ssb_drv->resume)
|
||||
err = ssb_drv->resume(ssb_dev);
|
||||
if (err)
|
||||
goto out;
|
||||
}
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static void ssb_bus_suspend(struct ssb_bus *bus, pm_message_t state)
|
||||
{
|
||||
printk("SSB BUS SUSPEND\n");
|
||||
// ssb_chipco_suspend(&bus->chipco, state);
|
||||
// ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0);
|
||||
}
|
||||
|
||||
static int ssb_device_suspend(struct device *dev, pm_message_t state)
|
||||
{
|
||||
struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
|
||||
struct ssb_driver *ssb_drv;
|
||||
struct ssb_bus *bus;
|
||||
int err = 0;
|
||||
|
||||
printk("SSB DEV SUSPEND\n");
|
||||
if (dev->driver) {
|
||||
ssb_drv = drv_to_ssb_drv(dev->driver);
|
||||
if (ssb_drv && ssb_drv->suspend)
|
||||
err = ssb_drv->suspend(ssb_dev, state);
|
||||
if (err)
|
||||
goto out;
|
||||
}
|
||||
|
||||
bus = ssb_dev->bus;
|
||||
bus->suspend_cnt++;
|
||||
if (bus->suspend_cnt == bus->nr_devices) {
|
||||
/* All devices suspended. Shutdown the bus. */
|
||||
ssb_bus_suspend(bus, state);
|
||||
}
|
||||
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static void ssb_device_shutdown(struct device *dev)
|
||||
{
|
||||
struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
|
||||
struct ssb_driver *ssb_drv;
|
||||
|
||||
if (!dev->driver)
|
||||
return;
|
||||
ssb_drv = drv_to_ssb_drv(dev->driver);
|
||||
if (ssb_drv && ssb_drv->shutdown)
|
||||
ssb_drv->shutdown(ssb_dev);
|
||||
}
|
||||
|
||||
static int ssb_device_remove(struct device *dev)
|
||||
{
|
||||
struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
|
||||
struct ssb_driver *ssb_drv = drv_to_ssb_drv(dev->driver);
|
||||
|
||||
if (ssb_drv && ssb_drv->remove)
|
||||
ssb_drv->remove(ssb_dev);
|
||||
ssb_device_put(ssb_dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ssb_device_probe(struct device *dev)
|
||||
{
|
||||
struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
|
||||
struct ssb_driver *ssb_drv = drv_to_ssb_drv(dev->driver);
|
||||
int err = 0;
|
||||
|
||||
ssb_device_get(ssb_dev);
|
||||
if (ssb_drv && ssb_drv->probe)
|
||||
err = ssb_drv->probe(ssb_dev, &ssb_dev->id);
|
||||
if (err)
|
||||
ssb_device_put(ssb_dev);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int ssb_match_devid(const struct ssb_device_id *tabid,
|
||||
const struct ssb_device_id *devid)
|
||||
{
|
||||
if ((tabid->vendor != devid->vendor) &&
|
||||
tabid->vendor != SSB_ANY_VENDOR)
|
||||
return 0;
|
||||
if ((tabid->coreid != devid->coreid) &&
|
||||
tabid->coreid != SSB_ANY_ID)
|
||||
return 0;
|
||||
if ((tabid->revision != devid->revision) &&
|
||||
tabid->revision != SSB_ANY_REV)
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int ssb_bus_match(struct device *dev, struct device_driver *drv)
|
||||
{
|
||||
struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
|
||||
struct ssb_driver *ssb_drv = drv_to_ssb_drv(drv);
|
||||
const struct ssb_device_id *id;
|
||||
|
||||
for (id = ssb_drv->id_table;
|
||||
id->vendor || id->coreid || id->revision;
|
||||
id++) {
|
||||
if (ssb_match_devid(id, &ssb_dev->id))
|
||||
return 1; /* found */
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
struct bus_type ssb_bustype = {
|
||||
.name = NULL, /* Intentionally NULL to indicate early boot */
|
||||
.match = ssb_bus_match,
|
||||
.probe = ssb_device_probe,
|
||||
.remove = ssb_device_remove,
|
||||
.shutdown = ssb_device_shutdown,
|
||||
.suspend = ssb_device_suspend,
|
||||
.resume = ssb_device_resume,
|
||||
};
|
||||
|
||||
#define is_early_boot() (ssb_bustype.name == NULL)
|
||||
|
||||
void ssb_bus_unregister(struct ssb_bus *bus)
|
||||
{
|
||||
struct ssb_device *dev;
|
||||
int i;
|
||||
|
||||
ssb_buses_lock();
|
||||
for (i = bus->nr_devices - 1; i >= 0; i--) {
|
||||
dev = &(bus->devices[i]);
|
||||
device_unregister(&dev->dev);
|
||||
}
|
||||
list_del(&bus->list);
|
||||
ssb_buses_unlock();
|
||||
|
||||
ssb_iounmap(bus);
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_bus_unregister);
|
||||
|
||||
static void ssb_release_dev(struct device *dev)
|
||||
{
|
||||
/* Nothing, devices are allocated together with struct ssb_bus. */
|
||||
}
|
||||
|
||||
/* Needs ssb_buses_lock() */
|
||||
static int ssb_attach_queued_buses(void)
|
||||
{
|
||||
struct ssb_bus *bus, *n;
|
||||
struct ssb_device *dev;
|
||||
int i, err;
|
||||
|
||||
list_for_each_entry_safe(bus, n, &attach_queue, list) {
|
||||
for (i = 0; i < bus->nr_devices; i++) {
|
||||
dev = &(bus->devices[i]);
|
||||
|
||||
dev->dev.release = ssb_release_dev;
|
||||
err = device_register(&dev->dev);
|
||||
if (err) {
|
||||
ssb_printk(KERN_ERR PFX
|
||||
"Could not register %s\n",
|
||||
dev->dev.bus_id);
|
||||
}
|
||||
}
|
||||
list_move_tail(&bus->list, &buses);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void ssb_get_boardtype(struct ssb_bus *bus)
|
||||
{//FIXME for pcmcia?
|
||||
if (bus->bustype != SSB_BUSTYPE_PCI) {
|
||||
/* Must set board_vendor, board_type and board_rev
|
||||
* before calling ssb_bus_*_register() */
|
||||
assert(bus->board_vendor && bus->board_type);
|
||||
return;
|
||||
}
|
||||
ssb_pci_get_boardtype(bus);
|
||||
}
|
||||
|
||||
static u16 ssb_ssb_read16(struct ssb_device *dev, u16 offset)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
|
||||
offset += dev->core_index * SSB_CORE_SIZE;
|
||||
return readw(bus->mmio + offset);
|
||||
}
|
||||
|
||||
static u32 ssb_ssb_read32(struct ssb_device *dev, u16 offset)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
|
||||
offset += dev->core_index * SSB_CORE_SIZE;
|
||||
return readl(bus->mmio + offset);
|
||||
}
|
||||
|
||||
static void ssb_ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
|
||||
offset += dev->core_index * SSB_CORE_SIZE;
|
||||
writew(value, bus->mmio + offset);
|
||||
}
|
||||
|
||||
static void ssb_ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
|
||||
offset += dev->core_index * SSB_CORE_SIZE;
|
||||
writel(value, bus->mmio + offset);
|
||||
}
|
||||
|
||||
static const struct ssb_bus_ops ssb_ssb_ops = {
|
||||
.read16 = ssb_ssb_read16,
|
||||
.read32 = ssb_ssb_read32,
|
||||
.write16 = ssb_ssb_write16,
|
||||
.write32 = ssb_ssb_write32,
|
||||
};
|
||||
|
||||
static int ssb_bus_register(struct ssb_bus *bus,
|
||||
unsigned long baseaddr)
|
||||
{
|
||||
int err;
|
||||
|
||||
ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found on ");
|
||||
switch (bus->bustype) {
|
||||
case SSB_BUSTYPE_SSB:
|
||||
ssb_printk("address 0x%08lX\n", baseaddr);
|
||||
break;
|
||||
case SSB_BUSTYPE_PCI:
|
||||
#ifdef CONFIG_SSB_PCIHOST
|
||||
ssb_printk("PCI device %s\n", bus->host_pci->dev.bus_id);
|
||||
#endif
|
||||
break;
|
||||
case SSB_BUSTYPE_PCMCIA:
|
||||
#ifdef CONFIG_SSB_PCMCIAHOST
|
||||
ssb_printk("PCMCIA device %s\n", bus->host_pcmcia->devname);
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
|
||||
spin_lock_init(&bus->bar_lock);
|
||||
INIT_LIST_HEAD(&bus->list);
|
||||
|
||||
ssb_get_boardtype(bus);
|
||||
/* Powerup the bus */
|
||||
err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1);
|
||||
if (err)
|
||||
goto out;
|
||||
ssb_buses_lock();
|
||||
bus->busnumber = nr_buses;
|
||||
/* Scan for devices (cores) */
|
||||
err = ssb_bus_scan(bus, baseaddr);
|
||||
if (err)
|
||||
goto err_disable_xtal;
|
||||
|
||||
/* Init PCI-host device (if any) */
|
||||
err = ssb_pci_init(bus);
|
||||
if (err)
|
||||
goto err_unmap;
|
||||
/* Init PCMCIA-host device (if any) */
|
||||
err = ssb_pcmcia_init(bus);
|
||||
if (err)
|
||||
goto err_unmap;
|
||||
|
||||
/* Initialize basic system devices (if available) */
|
||||
ssb_chipcommon_init(&bus->chipco);
|
||||
ssb_mipscore_init(&bus->mipscore);
|
||||
ssb_pcicore_init(&bus->pcicore);
|
||||
|
||||
/* Queue it for attach */
|
||||
list_add_tail(&bus->list, &attach_queue);
|
||||
if (!is_early_boot()) {
|
||||
/* This is not early boot, so we must attach the bus now */
|
||||
err = ssb_attach_queued_buses();
|
||||
if (err)
|
||||
goto err_dequeue;
|
||||
}
|
||||
nr_buses++;
|
||||
ssb_buses_unlock();
|
||||
|
||||
out:
|
||||
return err;
|
||||
|
||||
err_dequeue:
|
||||
list_del(&bus->list);
|
||||
err_unmap:
|
||||
ssb_iounmap(bus);
|
||||
err_disable_xtal:
|
||||
ssb_buses_unlock();
|
||||
ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0);
|
||||
goto out;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_SSB_PCIHOST
|
||||
int ssb_bus_pcibus_register(struct ssb_bus *bus,
|
||||
struct pci_dev *host_pci)
|
||||
{
|
||||
int err;
|
||||
|
||||
bus->bustype = SSB_BUSTYPE_PCI;
|
||||
bus->host_pci = host_pci;
|
||||
bus->ops = &ssb_pci_ops;
|
||||
|
||||
err = ssb_bus_register(bus, 0);
|
||||
|
||||
return err;
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_bus_pcibus_register);
|
||||
#endif /* CONFIG_SSB_PCIHOST */
|
||||
|
||||
#ifdef CONFIG_SSB_PCMCIAHOST
|
||||
int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
|
||||
struct pcmcia_device *pcmcia_dev,
|
||||
unsigned long baseaddr,
|
||||
void (*fill_sprom)(struct ssb_sprom *sprom))
|
||||
{
|
||||
int err;
|
||||
|
||||
bus->bustype = SSB_BUSTYPE_PCMCIA;
|
||||
bus->host_pcmcia = pcmcia_dev;
|
||||
bus->ops = &ssb_pcmcia_ops;
|
||||
fill_sprom(&bus->sprom);
|
||||
|
||||
err = ssb_bus_register(bus, baseaddr);
|
||||
|
||||
return err;
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_bus_pcmciabus_register);
|
||||
#endif /* CONFIG_SSB_PCMCIAHOST */
|
||||
|
||||
int ssb_bus_ssbbus_register(struct ssb_bus *bus,
|
||||
unsigned long baseaddr,
|
||||
void (*fill_sprom)(struct ssb_sprom *sprom))
|
||||
{
|
||||
int err;
|
||||
|
||||
bus->bustype = SSB_BUSTYPE_SSB;
|
||||
bus->ops = &ssb_ssb_ops;
|
||||
fill_sprom(&bus->sprom);
|
||||
err = ssb_bus_register(bus, baseaddr);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
int __ssb_driver_register(struct ssb_driver *drv, struct module *owner)
|
||||
{
|
||||
drv->drv.name = drv->name;
|
||||
drv->drv.bus = &ssb_bustype;
|
||||
drv->drv.owner = owner;
|
||||
|
||||
return driver_register(&drv->drv);
|
||||
}
|
||||
EXPORT_SYMBOL(__ssb_driver_register);
|
||||
|
||||
void ssb_driver_unregister(struct ssb_driver *drv)
|
||||
{
|
||||
driver_unregister(&drv->drv);
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_driver_unregister);
|
||||
|
||||
void ssb_set_devtypedata(struct ssb_device *dev, void *data)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
struct ssb_device *ent;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < bus->nr_devices; i++) {
|
||||
ent = &(bus->devices[i]);
|
||||
if (ent->id.vendor != dev->id.vendor)
|
||||
continue;
|
||||
if (ent->id.coreid != dev->id.coreid)
|
||||
continue;
|
||||
|
||||
ent->devtypedata = data;
|
||||
}
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_set_devtypedata);
|
||||
|
||||
static u32 clkfactor_f6_resolve(u32 v)
|
||||
{
|
||||
/* map the magic values */
|
||||
switch (v) {
|
||||
case SSB_CHIPCO_CLK_F6_2:
|
||||
return 2;
|
||||
case SSB_CHIPCO_CLK_F6_3:
|
||||
return 3;
|
||||
case SSB_CHIPCO_CLK_F6_4:
|
||||
return 4;
|
||||
case SSB_CHIPCO_CLK_F6_5:
|
||||
return 5;
|
||||
case SSB_CHIPCO_CLK_F6_6:
|
||||
return 6;
|
||||
case SSB_CHIPCO_CLK_F6_7:
|
||||
return 7;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Calculate the speed the backplane would run at a given set of clockcontrol values */
|
||||
u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m)
|
||||
{
|
||||
u32 n1, n2, clock, m1, m2, m3, mc;
|
||||
|
||||
n1 = (n & SSB_CHIPCO_CLK_N1);
|
||||
n2 = ((n & SSB_CHIPCO_CLK_N2) >> SSB_CHIPCO_CLK_N2_SHIFT);
|
||||
|
||||
switch (plltype) {
|
||||
case SSB_PLLTYPE_6: /* 100/200 or 120/240 only */
|
||||
if (m & SSB_CHIPCO_CLK_T6_MMASK)
|
||||
return SSB_CHIPCO_CLK_T6_M0;
|
||||
return SSB_CHIPCO_CLK_T6_M1;
|
||||
case SSB_PLLTYPE_1: /* 48Mhz base, 3 dividers */
|
||||
case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */
|
||||
case SSB_PLLTYPE_4: /* 48Mhz, 4 dividers */
|
||||
case SSB_PLLTYPE_7: /* 25Mhz, 4 dividers */
|
||||
n1 = clkfactor_f6_resolve(n1);
|
||||
n2 += SSB_CHIPCO_CLK_F5_BIAS;
|
||||
break;
|
||||
case SSB_PLLTYPE_2: /* 48Mhz, 4 dividers */
|
||||
n1 += SSB_CHIPCO_CLK_T2_BIAS;
|
||||
n2 += SSB_CHIPCO_CLK_T2_BIAS;
|
||||
assert((n1 >= 2) && (n1 <= 7));
|
||||
assert((n2 >= 5) && (n2 <= 23));
|
||||
break;
|
||||
case SSB_PLLTYPE_5: /* 25Mhz, 4 dividers */
|
||||
return 100000000;
|
||||
default:
|
||||
assert(0);
|
||||
}
|
||||
|
||||
switch (plltype) {
|
||||
case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */
|
||||
case SSB_PLLTYPE_7: /* 25Mhz, 4 dividers */
|
||||
clock = SSB_CHIPCO_CLK_BASE2 * n1 * n2;
|
||||
break;
|
||||
default:
|
||||
clock = SSB_CHIPCO_CLK_BASE1 * n1 * n2;
|
||||
}
|
||||
if (!clock)
|
||||
return 0;
|
||||
|
||||
m1 = (m & SSB_CHIPCO_CLK_M1);
|
||||
m2 = ((m & SSB_CHIPCO_CLK_M2) >> SSB_CHIPCO_CLK_M2_SHIFT);
|
||||
m3 = ((m & SSB_CHIPCO_CLK_M3) >> SSB_CHIPCO_CLK_M3_SHIFT);
|
||||
mc = ((m & SSB_CHIPCO_CLK_MC) >> SSB_CHIPCO_CLK_MC_SHIFT);
|
||||
|
||||
switch (plltype) {
|
||||
case SSB_PLLTYPE_1: /* 48Mhz base, 3 dividers */
|
||||
case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */
|
||||
case SSB_PLLTYPE_4: /* 48Mhz, 4 dividers */
|
||||
case SSB_PLLTYPE_7: /* 25Mhz, 4 dividers */
|
||||
m1 = clkfactor_f6_resolve(m1);
|
||||
if ((plltype == SSB_PLLTYPE_1) ||
|
||||
(plltype == SSB_PLLTYPE_3))
|
||||
m2 += SSB_CHIPCO_CLK_F5_BIAS;
|
||||
else
|
||||
m2 = clkfactor_f6_resolve(m2);
|
||||
m3 = clkfactor_f6_resolve(m3);
|
||||
|
||||
switch (mc) {
|
||||
case SSB_CHIPCO_CLK_MC_BYPASS:
|
||||
return clock;
|
||||
case SSB_CHIPCO_CLK_MC_M1:
|
||||
return (clock / m1);
|
||||
case SSB_CHIPCO_CLK_MC_M1M2:
|
||||
return (clock / (m1 * m2));
|
||||
case SSB_CHIPCO_CLK_MC_M1M2M3:
|
||||
return (clock / (m1 * m2 * m3));
|
||||
case SSB_CHIPCO_CLK_MC_M1M3:
|
||||
return (clock / (m1 * m3));
|
||||
}
|
||||
return 0;
|
||||
case SSB_PLLTYPE_2:
|
||||
m1 += SSB_CHIPCO_CLK_T2_BIAS;
|
||||
m2 += SSB_CHIPCO_CLK_T2M2_BIAS;
|
||||
m3 += SSB_CHIPCO_CLK_T2_BIAS;
|
||||
assert((m1 >= 2) && (m1 <= 7));
|
||||
assert((m2 >= 3) && (m2 <= 10));
|
||||
assert((m3 >= 2) && (m3 <= 7));
|
||||
|
||||
if (!(mc & SSB_CHIPCO_CLK_T2MC_M1BYP))
|
||||
clock /= m1;
|
||||
if (!(mc & SSB_CHIPCO_CLK_T2MC_M2BYP))
|
||||
clock /= m2;
|
||||
if (!(mc & SSB_CHIPCO_CLK_T2MC_M3BYP))
|
||||
clock /= m3;
|
||||
return clock;
|
||||
default:
|
||||
assert(0);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Get the current speed the backplane is running at */
|
||||
u32 ssb_clockspeed(struct ssb_bus *bus)
|
||||
{
|
||||
u32 rate;
|
||||
u32 plltype;
|
||||
u32 clkctl_n, clkctl_m;
|
||||
|
||||
//TODO if EXTIF: PLLTYPE == 1, read n from clockcontrol_n, m from clockcontrol_sb
|
||||
|
||||
if (bus->chipco.dev) {
|
||||
ssb_chipco_get_clockcontrol(&bus->chipco, &plltype,
|
||||
&clkctl_n, &clkctl_m);
|
||||
} else
|
||||
return 0;
|
||||
|
||||
if (bus->chip_id == 0x5365) {
|
||||
rate = 100000000;
|
||||
} else {
|
||||
rate = ssb_calc_clock_rate(plltype, clkctl_n, clkctl_m);
|
||||
if (plltype == SSB_PLLTYPE_3) /* 25Mhz, 2 dividers */
|
||||
rate /= 2;
|
||||
}
|
||||
|
||||
return rate;
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_clockspeed);
|
||||
|
||||
int ssb_device_is_enabled(struct ssb_device *dev)
|
||||
{
|
||||
u32 val;
|
||||
|
||||
val = ssb_read32(dev, SSB_TMSLOW);
|
||||
val &= SSB_TMSLOW_CLOCK | SSB_TMSLOW_RESET | SSB_TMSLOW_REJECT;
|
||||
|
||||
return (val == SSB_TMSLOW_CLOCK);
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_device_is_enabled);
|
||||
|
||||
void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags)
|
||||
{
|
||||
u32 val;
|
||||
|
||||
ssb_device_disable(dev, core_specific_flags);
|
||||
ssb_write32(dev, SSB_TMSLOW,
|
||||
SSB_TMSLOW_RESET | SSB_TMSLOW_CLOCK |
|
||||
SSB_TMSLOW_FGC | core_specific_flags);
|
||||
/* flush */
|
||||
ssb_read32(dev, SSB_TMSLOW);
|
||||
udelay(1);
|
||||
|
||||
/* Clear SERR if set. This is a hw bug workaround. */
|
||||
if (ssb_read32(dev, SSB_TMSHIGH) & SSB_TMSHIGH_SERR)
|
||||
ssb_write32(dev, SSB_TMSHIGH, 0);
|
||||
|
||||
val = ssb_read32(dev, SSB_IMSTATE);
|
||||
if (val & (SSB_IMSTATE_IBE | SSB_IMSTATE_TO)) {
|
||||
val &= ~(SSB_IMSTATE_IBE | SSB_IMSTATE_TO);
|
||||
ssb_write32(dev, SSB_IMSTATE, val);
|
||||
}
|
||||
|
||||
ssb_write32(dev, SSB_TMSLOW,
|
||||
SSB_TMSLOW_CLOCK | SSB_TMSLOW_FGC |
|
||||
core_specific_flags);
|
||||
/* flush */
|
||||
ssb_read32(dev, SSB_TMSLOW);
|
||||
udelay(1);
|
||||
|
||||
ssb_write32(dev, SSB_TMSLOW, SSB_TMSLOW_CLOCK |
|
||||
core_specific_flags);
|
||||
/* flush */
|
||||
ssb_read32(dev, SSB_TMSLOW);
|
||||
udelay(1);
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_device_enable);
|
||||
|
||||
static int ssb_wait_bit(struct ssb_device *dev, u16 reg, u32 bitmask,
|
||||
int timeout, int set)
|
||||
{
|
||||
int i;
|
||||
u32 val;
|
||||
|
||||
for (i = 0; i < timeout; i++) {
|
||||
val = ssb_read32(dev, reg);
|
||||
if (set) {
|
||||
if (val & bitmask)
|
||||
return 0;
|
||||
} else {
|
||||
if (!(val & bitmask))
|
||||
return 0;
|
||||
}
|
||||
udelay(10);
|
||||
}
|
||||
printk(KERN_ERR PFX "Timeout waiting for bitmask %08X on "
|
||||
"register %04X to %s.\n",
|
||||
bitmask, reg, (set ? "set" : "clear"));
|
||||
|
||||
return -ETIMEDOUT;
|
||||
}
|
||||
|
||||
void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags)
|
||||
{
|
||||
if (ssb_read32(dev, SSB_TMSLOW) & SSB_TMSLOW_RESET)
|
||||
return;
|
||||
|
||||
ssb_write32(dev, SSB_TMSLOW, SSB_TMSLOW_REJECT | SSB_TMSLOW_CLOCK);
|
||||
ssb_wait_bit(dev, SSB_TMSLOW, SSB_TMSLOW_REJECT, 1000, 1);
|
||||
ssb_wait_bit(dev, SSB_TMSHIGH, SSB_TMSHIGH_BUSY, 1000, 0);
|
||||
ssb_write32(dev, SSB_TMSLOW,
|
||||
SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK |
|
||||
SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET |
|
||||
core_specific_flags);
|
||||
/* flush */
|
||||
ssb_read32(dev, SSB_TMSLOW);
|
||||
udelay(1);
|
||||
|
||||
ssb_write32(dev, SSB_TMSLOW,
|
||||
SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET |
|
||||
core_specific_flags);
|
||||
/* flush */
|
||||
ssb_read32(dev, SSB_TMSLOW);
|
||||
udelay(1);
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_device_disable);
|
||||
|
||||
u32 ssb_dma_translation(struct ssb_device *dev)
|
||||
{
|
||||
switch(dev->bus->bustype) {
|
||||
case SSB_BUSTYPE_SSB:
|
||||
return 0;
|
||||
case SSB_BUSTYPE_PCI:
|
||||
case SSB_BUSTYPE_PCMCIA:
|
||||
return SSB_PCI_DMA;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_dma_translation);
|
||||
|
||||
int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask)
|
||||
{
|
||||
struct device *dev = &ssb_dev->dev;
|
||||
|
||||
#ifdef CONFIG_SSB_PCIHOST
|
||||
if (ssb_dev->bus->bustype == SSB_BUSTYPE_PCI &&
|
||||
!dma_supported(dev, mask))
|
||||
return -EIO;
|
||||
#endif
|
||||
dev->coherent_dma_mask = mask;
|
||||
dev->dma_mask = &dev->coherent_dma_mask;
|
||||
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_dma_set_mask);
|
||||
|
||||
u32 ssb_admatch_base(u32 adm)
|
||||
{
|
||||
u32 base = 0;
|
||||
|
||||
switch (adm & SSB_ADM_TYPE) {
|
||||
case SSB_ADM_TYPE0:
|
||||
base = (adm & SSB_ADM_BASE0);
|
||||
break;
|
||||
case SSB_ADM_TYPE1:
|
||||
assert(!(adm & SSB_ADM_NEG)); /* unsupported */
|
||||
base = (adm & SSB_ADM_BASE1);
|
||||
break;
|
||||
case SSB_ADM_TYPE2:
|
||||
assert(!(adm & SSB_ADM_NEG)); /* unsupported */
|
||||
base = (adm & SSB_ADM_BASE2);
|
||||
break;
|
||||
default:
|
||||
assert(0);
|
||||
}
|
||||
|
||||
return base;
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_admatch_base);
|
||||
|
||||
u32 ssb_admatch_size(u32 adm)
|
||||
{
|
||||
u32 size = 0;
|
||||
|
||||
switch (adm & SSB_ADM_TYPE) {
|
||||
case SSB_ADM_TYPE0:
|
||||
size = ((adm & SSB_ADM_SZ0) >> SSB_ADM_SZ0_SHIFT);
|
||||
break;
|
||||
case SSB_ADM_TYPE1:
|
||||
assert(!(adm & SSB_ADM_NEG)); /* unsupported */
|
||||
size = ((adm & SSB_ADM_SZ1) >> SSB_ADM_SZ1_SHIFT);
|
||||
break;
|
||||
case SSB_ADM_TYPE2:
|
||||
assert(!(adm & SSB_ADM_NEG)); /* unsupported */
|
||||
size = ((adm & SSB_ADM_SZ2) >> SSB_ADM_SZ2_SHIFT);
|
||||
break;
|
||||
default:
|
||||
assert(0);
|
||||
}
|
||||
size = (1 << (size + 1));
|
||||
|
||||
return size;
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_admatch_size);
|
||||
|
||||
static int __init ssb_modinit(void)
|
||||
{
|
||||
int err;
|
||||
|
||||
ssb_bustype.name = "ssb";
|
||||
err = bus_register(&ssb_bustype);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
/* Maybe we already registered some buses at early boot.
|
||||
* Check for this and attach them
|
||||
*/
|
||||
ssb_buses_lock();
|
||||
err = ssb_attach_queued_buses();
|
||||
ssb_buses_unlock();
|
||||
|
||||
return err;
|
||||
}
|
||||
subsys_initcall(ssb_modinit);
|
||||
|
||||
static void __exit ssb_modexit(void)
|
||||
{
|
||||
bus_unregister(&ssb_bustype);
|
||||
}
|
||||
module_exit(ssb_modexit)
|
|
@ -0,0 +1,403 @@
|
|||
/*
|
||||
* Sonics Silicon Backplane
|
||||
* Broadcom ChipCommon core driver
|
||||
*
|
||||
* Copyright 2005, Broadcom Corporation
|
||||
* Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
|
||||
*
|
||||
* Licensed under the GNU/GPL. See COPYING for details.
|
||||
*/
|
||||
|
||||
#include <linux/ssb/ssb.h>
|
||||
#include <linux/ssb/ssb_regs.h>
|
||||
#include <linux/pci.h>
|
||||
|
||||
#include "../ssb_private.h"
|
||||
|
||||
|
||||
/* Clock sources */
|
||||
enum {
|
||||
/* PCI clock */
|
||||
SSB_CHIPCO_CLKSRC_PCI,
|
||||
/* Crystal slow clock oscillator */
|
||||
SSB_CHIPCO_CLKSRC_XTALOS,
|
||||
/* Low power oscillator */
|
||||
SSB_CHIPCO_CLKSRC_LOPWROS,
|
||||
};
|
||||
|
||||
|
||||
static inline u32 chipco_read32(struct ssb_chipcommon *cc,
|
||||
u16 offset)
|
||||
{
|
||||
return ssb_read32(cc->dev, offset);
|
||||
}
|
||||
|
||||
static inline void chipco_write32(struct ssb_chipcommon *cc,
|
||||
u16 offset,
|
||||
u32 value)
|
||||
{
|
||||
ssb_write32(cc->dev, offset, value);
|
||||
}
|
||||
|
||||
|
||||
void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
|
||||
enum ssb_clkmode mode)
|
||||
{
|
||||
struct ssb_device *ccdev = cc->dev;
|
||||
struct ssb_bus *bus;
|
||||
u32 tmp;
|
||||
|
||||
if (!ccdev)
|
||||
return;
|
||||
bus = ccdev->bus;
|
||||
/* chipcommon cores prior to rev6 don't support dynamic clock control */
|
||||
if (ccdev->id.revision < 6)
|
||||
return;
|
||||
/* chipcommon cores rev10 are a whole new ball game */
|
||||
if (ccdev->id.revision >= 10)
|
||||
return;
|
||||
if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL))
|
||||
return;
|
||||
|
||||
switch (mode) {
|
||||
case SSB_CLKMODE_SLOW:
|
||||
tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
|
||||
tmp |= SSB_CHIPCO_SLOWCLKCTL_FSLOW;
|
||||
chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
|
||||
break;
|
||||
case SSB_CLKMODE_FAST:
|
||||
ssb_pci_xtal(bus, SSB_GPIO_XTAL, 1); /* Force crystal on */
|
||||
tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
|
||||
tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW;
|
||||
tmp |= SSB_CHIPCO_SLOWCLKCTL_IPLL;
|
||||
chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
|
||||
break;
|
||||
case SSB_CLKMODE_DYNAMIC:
|
||||
tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
|
||||
tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW;
|
||||
tmp &= ~SSB_CHIPCO_SLOWCLKCTL_IPLL;
|
||||
tmp &= ~SSB_CHIPCO_SLOWCLKCTL_ENXTAL;
|
||||
if ((tmp & SSB_CHIPCO_SLOWCLKCTL_SRC) != SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL)
|
||||
tmp |= SSB_CHIPCO_SLOWCLKCTL_ENXTAL;
|
||||
chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
|
||||
|
||||
/* for dynamic control, we have to release our xtal_pu "force on" */
|
||||
if (tmp & SSB_CHIPCO_SLOWCLKCTL_ENXTAL)
|
||||
ssb_pci_xtal(bus, SSB_GPIO_XTAL, 0);
|
||||
break;
|
||||
default:
|
||||
assert(0);
|
||||
}
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_chipco_set_clockmode);
|
||||
|
||||
/* Get the Slow Clock Source */
|
||||
static int chipco_pctl_get_slowclksrc(struct ssb_chipcommon *cc)
|
||||
{
|
||||
struct ssb_bus *bus = cc->dev->bus;
|
||||
u32 tmp = 0;
|
||||
|
||||
if (cc->dev->id.revision < 6) {
|
||||
if (bus->bustype == SSB_BUSTYPE_SSB /*TODO ||
|
||||
bus->bustype == SSB_BUSTYPE_PCMCIA*/)
|
||||
return SSB_CHIPCO_CLKSRC_XTALOS;
|
||||
if (bus->bustype == SSB_BUSTYPE_PCI) {
|
||||
pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT, &tmp);
|
||||
if (tmp & 0x10)
|
||||
return SSB_CHIPCO_CLKSRC_PCI;
|
||||
return SSB_CHIPCO_CLKSRC_XTALOS;
|
||||
}
|
||||
}
|
||||
if (cc->dev->id.revision < 10) {
|
||||
tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
|
||||
tmp &= 0x7;
|
||||
if (tmp == 0)
|
||||
return SSB_CHIPCO_CLKSRC_LOPWROS;
|
||||
if (tmp == 1)
|
||||
return SSB_CHIPCO_CLKSRC_XTALOS;
|
||||
if (tmp == 2)
|
||||
return SSB_CHIPCO_CLKSRC_PCI;
|
||||
}
|
||||
|
||||
return SSB_CHIPCO_CLKSRC_XTALOS;
|
||||
}
|
||||
|
||||
/* Get maximum or minimum (depending on get_max flag) slowclock frequency. */
|
||||
static int chipco_pctl_clockfreqlimit(struct ssb_chipcommon *cc, int get_max)
|
||||
{
|
||||
int limit;
|
||||
int clocksrc;
|
||||
int divisor;
|
||||
u32 tmp;
|
||||
|
||||
clocksrc = chipco_pctl_get_slowclksrc(cc);
|
||||
if (cc->dev->id.revision < 6) {
|
||||
switch (clocksrc) {
|
||||
case SSB_CHIPCO_CLKSRC_PCI:
|
||||
divisor = 64;
|
||||
break;
|
||||
case SSB_CHIPCO_CLKSRC_XTALOS:
|
||||
divisor = 32;
|
||||
break;
|
||||
default:
|
||||
assert(0);
|
||||
divisor = 1;
|
||||
}
|
||||
} else if (cc->dev->id.revision < 10) {
|
||||
switch (clocksrc) {
|
||||
case SSB_CHIPCO_CLKSRC_LOPWROS:
|
||||
divisor = 1;
|
||||
break;
|
||||
case SSB_CHIPCO_CLKSRC_XTALOS:
|
||||
case SSB_CHIPCO_CLKSRC_PCI:
|
||||
tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
|
||||
divisor = (tmp >> 16) + 1;
|
||||
divisor *= 4;
|
||||
break;
|
||||
default:
|
||||
assert(0);
|
||||
divisor = 1;
|
||||
}
|
||||
} else {
|
||||
tmp = chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL);
|
||||
divisor = (tmp >> 16) + 1;
|
||||
divisor *= 4;
|
||||
}
|
||||
|
||||
switch (clocksrc) {
|
||||
case SSB_CHIPCO_CLKSRC_LOPWROS:
|
||||
if (get_max)
|
||||
limit = 43000;
|
||||
else
|
||||
limit = 25000;
|
||||
break;
|
||||
case SSB_CHIPCO_CLKSRC_XTALOS:
|
||||
if (get_max)
|
||||
limit = 20200000;
|
||||
else
|
||||
limit = 19800000;
|
||||
break;
|
||||
case SSB_CHIPCO_CLKSRC_PCI:
|
||||
if (get_max)
|
||||
limit = 34000000;
|
||||
else
|
||||
limit = 25000000;
|
||||
break;
|
||||
default:
|
||||
assert(0);
|
||||
limit = 0;
|
||||
}
|
||||
limit /= divisor;
|
||||
|
||||
return limit;
|
||||
}
|
||||
|
||||
static void chipco_powercontrol_init(struct ssb_chipcommon *cc)
|
||||
{
|
||||
struct ssb_bus *bus = cc->dev->bus;
|
||||
|
||||
if (bus->chip_id == 0x4321) {
|
||||
if (bus->chip_rev == 0)
|
||||
chipco_write32(cc, SSB_CHIPCO_CHIPCTL, 0x3A4);
|
||||
else if (bus->chip_rev == 1)
|
||||
chipco_write32(cc, SSB_CHIPCO_CHIPCTL, 0xA4);
|
||||
}
|
||||
|
||||
if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL))
|
||||
return;
|
||||
|
||||
if (cc->dev->id.revision >= 10) {
|
||||
/* Set Idle Power clock rate to 1Mhz */
|
||||
chipco_write32(cc, SSB_CHIPCO_SYSCLKCTL,
|
||||
(chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL) &
|
||||
0x0000FFFF) | 0x00040000);
|
||||
} else {
|
||||
int maxfreq;
|
||||
|
||||
maxfreq = chipco_pctl_clockfreqlimit(cc, 1);
|
||||
chipco_write32(cc, SSB_CHIPCO_PLLONDELAY,
|
||||
(maxfreq * 150 + 999999) / 1000000);
|
||||
chipco_write32(cc, SSB_CHIPCO_FREFSELDELAY,
|
||||
(maxfreq * 15 + 999999) / 1000000);
|
||||
}
|
||||
}
|
||||
|
||||
static void calc_fast_powerup_delay(struct ssb_chipcommon *cc)
|
||||
{
|
||||
struct ssb_bus *bus = cc->dev->bus;
|
||||
int minfreq;
|
||||
unsigned int tmp;
|
||||
u32 pll_on_delay;
|
||||
|
||||
if (bus->bustype != SSB_BUSTYPE_PCI)
|
||||
return;
|
||||
if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL))
|
||||
return;
|
||||
|
||||
minfreq = chipco_pctl_clockfreqlimit(cc, 0);
|
||||
pll_on_delay = chipco_read32(cc, SSB_CHIPCO_PLLONDELAY);
|
||||
tmp = (((pll_on_delay + 2) * 1000000) + (minfreq - 1)) / minfreq;
|
||||
assert((tmp & ~0xFFFF) == 0);
|
||||
|
||||
cc->fast_pwrup_delay = tmp;
|
||||
}
|
||||
|
||||
void ssb_chipcommon_init(struct ssb_chipcommon *cc)
|
||||
{
|
||||
if (!cc->dev)
|
||||
return; /* We don't have a ChipCommon */
|
||||
ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
|
||||
chipco_powercontrol_init(cc);
|
||||
calc_fast_powerup_delay(cc);
|
||||
}
|
||||
|
||||
void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state)
|
||||
{
|
||||
if (!cc->dev)
|
||||
return;
|
||||
ssb_chipco_set_clockmode(cc, SSB_CLKMODE_SLOW);
|
||||
}
|
||||
|
||||
void ssb_chipco_resume(struct ssb_chipcommon *cc)
|
||||
{
|
||||
if (!cc->dev)
|
||||
return;
|
||||
ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
|
||||
chipco_powercontrol_init(cc);
|
||||
}
|
||||
|
||||
void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
|
||||
u32 *plltype, u32 *n, u32 *m)
|
||||
{
|
||||
*n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N);
|
||||
*plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
|
||||
switch (*plltype) {
|
||||
case SSB_PLLTYPE_6: /* 100/200 or 120/240 only */
|
||||
*m = chipco_read32(cc, SSB_CHIPCO_CLOCK_MIPS);
|
||||
break;
|
||||
case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */
|
||||
if (cc->dev->bus->chip_id != 0x5365) {
|
||||
*m = chipco_read32(cc, SSB_CHIPCO_CLOCK_M2);
|
||||
break;
|
||||
}
|
||||
/* Fallthough */
|
||||
default:
|
||||
*m = chipco_read32(cc, SSB_CHIPCO_CLOCK_SB);
|
||||
}
|
||||
}
|
||||
|
||||
void ssb_chipco_timing_init(struct ssb_chipcommon *cc,
|
||||
unsigned long ns)
|
||||
{
|
||||
struct ssb_device *dev = cc->dev;
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
u32 tmp;
|
||||
|
||||
/* set register for external IO to control LED. */
|
||||
chipco_write32(cc, SSB_CHIPCO_PROG_CFG, 0x11);
|
||||
tmp = ceildiv(10, ns) << SSB_PROG_WCNT_3_SHIFT; /* Waitcount-3 = 10ns */
|
||||
tmp |= ceildiv(40, ns) << SSB_PROG_WCNT_1_SHIFT; /* Waitcount-1 = 40ns */
|
||||
tmp |= ceildiv(240, ns); /* Waitcount-0 = 240ns */
|
||||
chipco_write32(cc, SSB_CHIPCO_PROG_WAITCNT, tmp); /* 0x01020a0c for a 100Mhz clock */
|
||||
|
||||
/* Set timing for the flash */
|
||||
tmp = ceildiv(10, ns) << SSB_FLASH_WCNT_3_SHIFT; /* Waitcount-3 = 10nS */
|
||||
tmp |= ceildiv(10, ns) << SSB_FLASH_WCNT_1_SHIFT; /* Waitcount-1 = 10nS */
|
||||
tmp |= ceildiv(120, ns); /* Waitcount-0 = 120nS */
|
||||
if ((bus->chip_id == 0x5365) ||
|
||||
(dev->id.revision < 9))
|
||||
chipco_write32(cc, SSB_CHIPCO_FLASH_WAITCNT, tmp);
|
||||
if ((bus->chip_id == 0x5365) ||
|
||||
(dev->id.revision < 9) ||
|
||||
((bus->chip_id == 0x5350) && (bus->chip_rev == 0)))
|
||||
chipco_write32(cc, SSB_CHIPCO_PCMCIA_MEMWAIT, tmp);
|
||||
|
||||
if (bus->chip_id == 0x5350) {
|
||||
/* Enable EXTIF */
|
||||
tmp = ceildiv(10, ns) << SSB_PROG_WCNT_3_SHIFT; /* Waitcount-3 = 10ns */
|
||||
tmp |= ceildiv(20, ns) << SSB_PROG_WCNT_2_SHIFT; /* Waitcount-2 = 20ns */
|
||||
tmp |= ceildiv(100, ns) << SSB_PROG_WCNT_1_SHIFT; /* Waitcount-1 = 100ns */
|
||||
tmp |= ceildiv(120, ns); /* Waitcount-0 = 120ns */
|
||||
chipco_write32(cc, SSB_CHIPCO_PROG_WAITCNT, tmp); /* 0x01020a0c for a 100Mhz clock */
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef CONFIG_SSB_SERIAL
|
||||
int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
|
||||
struct ssb_serial_port *ports)
|
||||
{
|
||||
struct ssb_bus *bus = cc->dev->bus;
|
||||
int nr_ports = 0;
|
||||
u32 plltype;
|
||||
unsigned int irq;
|
||||
u32 baud_base, div;
|
||||
u32 i, n;
|
||||
|
||||
plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
|
||||
irq = ssb_mips_irq(cc->dev);
|
||||
|
||||
if (plltype == SSB_PLLTYPE_1) {
|
||||
/* PLL clock */
|
||||
baud_base = ssb_calc_clock_rate(plltype,
|
||||
chipco_read32(cc, SSB_CHIPCO_CLOCK_N),
|
||||
chipco_read32(cc, SSB_CHIPCO_CLOCK_M2));
|
||||
div = 1;
|
||||
} else {
|
||||
if (cc->dev->id.revision >= 11) {
|
||||
/* Fixed ALP clock */
|
||||
baud_base = 20000000;
|
||||
div = 1;
|
||||
/* Set the override bit so we don't divide it */
|
||||
chipco_write32(cc, SSB_CHIPCO_CORECTL,
|
||||
SSB_CHIPCO_CORECTL_UARTCLK0);
|
||||
} else if (cc->dev->id.revision >= 3) {
|
||||
/* Internal backplane clock */
|
||||
baud_base = ssb_clockspeed(bus);
|
||||
div = 2; /* Minimum divisor */
|
||||
chipco_write32(cc, SSB_CHIPCO_CLKDIV,
|
||||
(chipco_read32(cc, SSB_CHIPCO_CLKDIV)
|
||||
& ~SSB_CHIPCO_CLKDIV_UART) | div);
|
||||
} else {
|
||||
/* Fixed internal backplane clock */
|
||||
baud_base = 88000000;
|
||||
div = 48;
|
||||
}
|
||||
|
||||
/* Clock source depends on strapping if UartClkOverride is unset */
|
||||
if ((cc->dev->id.revision > 0) &&
|
||||
!(chipco_read32(cc, SSB_CHIPCO_CORECTL) & SSB_CHIPCO_CORECTL_UARTCLK0)) {
|
||||
if ((cc->capabilities & SSB_CHIPCO_CAP_UARTCLK) ==
|
||||
SSB_CHIPCO_CAP_UARTCLK_INT) {
|
||||
/* Internal divided backplane clock */
|
||||
baud_base /= div;
|
||||
} else {
|
||||
/* Assume external clock of 1.8432 MHz */
|
||||
baud_base = 1843200;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Determine the registers of the UARTs */
|
||||
n = (cc->capabilities & SSB_CHIPCO_CAP_NRUART);
|
||||
for (i = 0; i < n; i++) {
|
||||
void __iomem *cc_mmio;
|
||||
void __iomem *uart_regs;
|
||||
|
||||
cc_mmio = cc->dev->bus->mmio + (cc->dev->core_index * SSB_CORE_SIZE);
|
||||
uart_regs = cc_mmio + SSB_CHIPCO_UART0_DATA;
|
||||
/* Offset changed at after rev 0 */
|
||||
if (cc->dev->id.revision == 0)
|
||||
uart_regs += (i * 8);
|
||||
else
|
||||
uart_regs += (i * 256);
|
||||
|
||||
nr_ports++;
|
||||
ports[i].regs = uart_regs;
|
||||
ports[i].irq = irq;
|
||||
ports[i].baud_base = baud_base;
|
||||
ports[i].reg_shift = 0;
|
||||
}
|
||||
|
||||
return nr_ports;
|
||||
}
|
||||
#endif /* CONFIG_SSB_SERIAL */
|
279
target/linux/brcm47xx-2.6/files/drivers/ssb/driver_mips/mips.c
Normal file
279
target/linux/brcm47xx-2.6/files/drivers/ssb/driver_mips/mips.c
Normal file
|
@ -0,0 +1,279 @@
|
|||
/*
|
||||
* Sonics Silicon Backplane
|
||||
* Broadcom MIPS core driver
|
||||
*
|
||||
* Copyright 2005, Broadcom Corporation
|
||||
* Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
|
||||
* Copyright 2006, 2007, Felix Fietkau <nbd@openwrt.org>
|
||||
*
|
||||
* Licensed under the GNU/GPL. See COPYING for details.
|
||||
*/
|
||||
|
||||
#include <linux/ssb/ssb.h>
|
||||
|
||||
#include <linux/serial.h>
|
||||
#include <linux/serial_core.h>
|
||||
#include <linux/serial_reg.h>
|
||||
#include <asm/time.h>
|
||||
|
||||
#include "../ssb_private.h"
|
||||
|
||||
#define mips_read32(mcore, offset) ssb_read32((mcore)->dev, offset)
|
||||
#define mips_write32(mcore, offset, value) ssb_write32((mcore)->dev, offset, value)
|
||||
#define extif_read32(extif, offset) ssb_read32((extif)->dev, offset)
|
||||
#define extif_write32(extif, offset, value) ssb_write32((extif)->dev, offset, value)
|
||||
|
||||
static const u32 ipsflag_irq_mask[] = {
|
||||
0,
|
||||
SSB_IPSFLAG_IRQ1,
|
||||
SSB_IPSFLAG_IRQ2,
|
||||
SSB_IPSFLAG_IRQ3,
|
||||
SSB_IPSFLAG_IRQ4,
|
||||
};
|
||||
|
||||
static const u32 ipsflag_irq_shift[] = {
|
||||
0,
|
||||
SSB_IPSFLAG_IRQ1_SHIFT,
|
||||
SSB_IPSFLAG_IRQ2_SHIFT,
|
||||
SSB_IPSFLAG_IRQ3_SHIFT,
|
||||
SSB_IPSFLAG_IRQ4_SHIFT,
|
||||
};
|
||||
|
||||
static inline u32 ssb_irqflag(struct ssb_device *dev)
|
||||
{
|
||||
return ssb_read32(dev, SSB_TPSFLAG) & SSB_TPSFLAG_BPFLAG;
|
||||
}
|
||||
|
||||
/* Get the MIPS IRQ assignment for a specified device.
|
||||
* If unassigned, 0 is returned.
|
||||
*/
|
||||
unsigned int ssb_mips_irq(struct ssb_device *dev)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
u32 irqflag;
|
||||
u32 ipsflag;
|
||||
u32 tmp;
|
||||
unsigned int irq;
|
||||
|
||||
irqflag = ssb_irqflag(dev);
|
||||
ipsflag = ssb_read32(bus->mipscore.dev, SSB_IPSFLAG);
|
||||
for (irq = 1; irq <= 4; irq++) {
|
||||
tmp = ((ipsflag & ipsflag_irq_mask[irq]) >> ipsflag_irq_shift[irq]);
|
||||
if (tmp == irqflag)
|
||||
break;
|
||||
}
|
||||
if (irq == 5)
|
||||
irq = 0;
|
||||
|
||||
return irq;
|
||||
}
|
||||
|
||||
static void clear_irq(struct ssb_bus *bus, unsigned int irq)
|
||||
{
|
||||
struct ssb_device *dev = bus->mipscore.dev;
|
||||
|
||||
/* Clear the IRQ in the MIPScore backplane registers */
|
||||
if (irq == 0) {
|
||||
ssb_write32(dev, SSB_INTVEC, 0);
|
||||
} else {
|
||||
ssb_write32(dev, SSB_IPSFLAG,
|
||||
ssb_read32(dev, SSB_IPSFLAG) |
|
||||
ipsflag_irq_mask[irq]);
|
||||
}
|
||||
}
|
||||
|
||||
static void set_irq(struct ssb_device *dev, unsigned int irq)
|
||||
{
|
||||
unsigned int oldirq = ssb_mips_irq(dev);
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
struct ssb_device *mdev = bus->mipscore.dev;
|
||||
u32 irqflag = ssb_irqflag(dev);
|
||||
|
||||
dev->irq = irq + 2;
|
||||
|
||||
ssb_dprintk(KERN_INFO PFX
|
||||
"set_irq: core 0x%04x, irq %d => %d\n",
|
||||
dev->id.coreid, oldirq, irq);
|
||||
/* clear the old irq */
|
||||
if (oldirq == 0)
|
||||
ssb_write32(mdev, SSB_INTVEC, (~(1 << irqflag) & ssb_read32(mdev, SSB_INTVEC)));
|
||||
else
|
||||
clear_irq(bus, oldirq);
|
||||
|
||||
/* assign the new one */
|
||||
if (irq == 0)
|
||||
ssb_write32(mdev, SSB_INTVEC, ((1 << irqflag) & ssb_read32(mdev, SSB_INTVEC)));
|
||||
|
||||
irqflag <<= ipsflag_irq_shift[irq];
|
||||
irqflag |= (ssb_read32(mdev, SSB_IPSFLAG) & ~ipsflag_irq_mask[irq]);
|
||||
ssb_write32(mdev, SSB_IPSFLAG, irqflag);
|
||||
}
|
||||
|
||||
static int ssb_extif_serial_init(struct ssb_extif *dev, struct ssb_serial_port *ports)
|
||||
{
|
||||
//TODO if (EXTIF available
|
||||
#if 0
|
||||
extifregs_t *eir = (extifregs_t *) regs;
|
||||
sbconfig_t *sb;
|
||||
|
||||
/* Determine external UART register base */
|
||||
sb = (sbconfig_t *)((ulong) eir + SBCONFIGOFF);
|
||||
base = EXTIF_CFGIF_BASE(sb_base(R_REG(&sb->sbadmatch1)));
|
||||
|
||||
/* Determine IRQ */
|
||||
irq = sb_irq(sbh);
|
||||
|
||||
/* Disable GPIO interrupt initially */
|
||||
W_REG(&eir->gpiointpolarity, 0);
|
||||
W_REG(&eir->gpiointmask, 0);
|
||||
|
||||
/* Search for external UARTs */
|
||||
n = 2;
|
||||
for (i = 0; i < 2; i++) {
|
||||
regs = (void *) REG_MAP(base + (i * 8), 8);
|
||||
if (BCMINIT(serial_exists)(regs)) {
|
||||
/* Set GPIO 1 to be the external UART IRQ */
|
||||
W_REG(&eir->gpiointmask, 2);
|
||||
if (add)
|
||||
add(regs, irq, 13500000, 0);
|
||||
}
|
||||
}
|
||||
|
||||
/* Add internal UART if enabled */
|
||||
if (R_REG(&eir->corecontrol) & CC_UE)
|
||||
if (add)
|
||||
add((void *) &eir->uartdata, irq, sb_clock(sbh), 2);
|
||||
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
|
||||
static void ssb_mips_serial_init(struct ssb_mipscore *mcore)
|
||||
{
|
||||
struct ssb_bus *bus = mcore->dev->bus;
|
||||
|
||||
if (bus->extif.dev)
|
||||
mcore->nr_serial_ports = ssb_extif_serial_init(&bus->extif, mcore->serial_ports);
|
||||
else if (bus->chipco.dev)
|
||||
mcore->nr_serial_ports = ssb_chipco_serial_init(&bus->chipco, mcore->serial_ports);
|
||||
else
|
||||
mcore->nr_serial_ports = 0;
|
||||
}
|
||||
|
||||
static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)
|
||||
{
|
||||
struct ssb_bus *bus = mcore->dev->bus;
|
||||
|
||||
if (bus->chipco.dev) {
|
||||
mcore->flash_window = 0x1c000000;
|
||||
mcore->flash_window_size = 0x800000;
|
||||
} else {
|
||||
mcore->flash_window = 0x1fc00000;
|
||||
mcore->flash_window_size = 0x400000;
|
||||
}
|
||||
}
|
||||
|
||||
static void ssb_extif_timing_init(struct ssb_extif *extif, u32 ns)
|
||||
{
|
||||
u32 tmp;
|
||||
|
||||
/* Initialize extif so we can get to the LEDs and external UART */
|
||||
extif_write32(extif, SSB_EXTIF_PROG_CFG, SSB_EXTCFG_EN);
|
||||
|
||||
/* Set timing for the flash */
|
||||
tmp = ceildiv(10, ns) << SSB_PROG_WCNT_3_SHIFT;
|
||||
tmp |= ceildiv(40, ns) << SSB_PROG_WCNT_1_SHIFT;
|
||||
tmp |= ceildiv(120, ns);
|
||||
extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp);
|
||||
|
||||
/* Set programmable interface timing for external uart */
|
||||
tmp = ceildiv(10, ns) << SSB_PROG_WCNT_3_SHIFT;
|
||||
tmp |= ceildiv(20, ns) << SSB_PROG_WCNT_2_SHIFT;
|
||||
tmp |= ceildiv(100, ns) << SSB_PROG_WCNT_1_SHIFT;
|
||||
tmp |= ceildiv(120, ns);
|
||||
extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp);
|
||||
}
|
||||
|
||||
static inline void ssb_extif_get_clockcontrol(struct ssb_extif *extif,
|
||||
u32 *pll_type, u32 *n, u32 *m)
|
||||
{
|
||||
*pll_type = SSB_PLLTYPE_1;
|
||||
*n = extif_read32(extif, SSB_EXTIF_CLOCK_N);
|
||||
*m = extif_read32(extif, SSB_EXTIF_CLOCK_SB);
|
||||
}
|
||||
|
||||
u32 ssb_cpu_clock(struct ssb_mipscore *mcore)
|
||||
{
|
||||
struct ssb_bus *bus = mcore->dev->bus;
|
||||
u32 pll_type, n, m, rate = 0;
|
||||
|
||||
if (bus->extif.dev) {
|
||||
ssb_extif_get_clockcontrol(&bus->extif, &pll_type, &n, &m);
|
||||
} else if (bus->chipco.dev) {
|
||||
if (bus->chip_id == 0x5365)
|
||||
/* FIXME: is this override really necessary? */
|
||||
return 200000000;
|
||||
|
||||
ssb_chipco_get_clockcontrol(&bus->chipco, &pll_type, &n, &m);
|
||||
} else
|
||||
return 0;
|
||||
|
||||
rate = ssb_calc_clock_rate(pll_type, n, m);
|
||||
if (pll_type == SSB_PLLTYPE_6)
|
||||
rate *= 2;
|
||||
|
||||
return rate;
|
||||
}
|
||||
|
||||
void ssb_mipscore_init(struct ssb_mipscore *mcore)
|
||||
{
|
||||
struct ssb_bus *bus = mcore->dev->bus;
|
||||
struct ssb_device *dev;
|
||||
unsigned long hz, ns;
|
||||
unsigned int irq, i;
|
||||
|
||||
if (!mcore->dev)
|
||||
return; /* We don't have a MIPS core */
|
||||
|
||||
ssb_dprintk(KERN_INFO PFX "Initializing MIPS core...\n");
|
||||
|
||||
hz = ssb_clockspeed(bus);
|
||||
if (!hz)
|
||||
hz = 100000000;
|
||||
ns = 1000000000 / hz;
|
||||
|
||||
if (bus->extif.dev)
|
||||
ssb_extif_timing_init(&bus->extif, ns);
|
||||
else if (bus->chipco.dev)
|
||||
ssb_chipco_timing_init(&bus->chipco, ns);
|
||||
|
||||
/* Assign IRQs to all cores on the bus, start with irq line 2, because serial usually takes 1 */
|
||||
for (irq = 2, i = 0; i < bus->nr_devices; i++) {
|
||||
dev = &(bus->devices[i]);
|
||||
dev->irq = ssb_mips_irq(dev) + 2;
|
||||
switch(dev->id.coreid) {
|
||||
case SSB_DEV_USB11_HOST:
|
||||
/* shouldn't need a separate irq line for non-4710, most of them have a proper
|
||||
* external usb controller on the pci */
|
||||
if ((bus->chip_id == 0x4710) && (irq <= 4)) {
|
||||
set_irq(dev, irq++);
|
||||
break;
|
||||
}
|
||||
case SSB_DEV_PCI:
|
||||
case SSB_DEV_ETHERNET:
|
||||
case SSB_DEV_80211:
|
||||
case SSB_DEV_USB20_HOST:
|
||||
/* These devices get their own IRQ line if available, the rest goes on IRQ0 */
|
||||
if (irq <= 4) {
|
||||
set_irq(dev, irq++);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
ssb_mips_serial_init(mcore);
|
||||
ssb_mips_flash_detect(mcore);
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL(ssb_mips_irq);
|
549
target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pci/pcicore.c
Normal file
549
target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pci/pcicore.c
Normal file
|
@ -0,0 +1,549 @@
|
|||
/*
|
||||
* Sonics Silicon Backplane
|
||||
* Broadcom PCI-core driver
|
||||
*
|
||||
* Copyright 2005, Broadcom Corporation
|
||||
* Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
|
||||
*
|
||||
* Licensed under the GNU/GPL. See COPYING for details.
|
||||
*/
|
||||
|
||||
#include <linux/ssb/ssb.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/delay.h>
|
||||
|
||||
#include "../ssb_private.h"
|
||||
|
||||
static inline
|
||||
u32 pcicore_read32(struct ssb_pcicore *pc, u16 offset)
|
||||
{
|
||||
return ssb_read32(pc->dev, offset);
|
||||
}
|
||||
|
||||
static inline
|
||||
void pcicore_write32(struct ssb_pcicore *pc, u16 offset, u32 value)
|
||||
{
|
||||
ssb_write32(pc->dev, offset, value);
|
||||
}
|
||||
|
||||
/**************************************************
|
||||
* Code for hostmode operation.
|
||||
**************************************************/
|
||||
|
||||
#ifdef CONFIG_SSB_PCICORE_HOSTMODE
|
||||
|
||||
#include <asm/paccess.h>
|
||||
/* Read the bus and catch bus exceptions. This is MIPS specific. */
|
||||
#define mips_busprobe(val, addr) get_dbe((val), (addr))
|
||||
|
||||
/* Assume one-hot slot wiring */
|
||||
#define SSB_PCI_SLOT_MAX 16
|
||||
|
||||
/* Global lock is OK, as we won't have more than one extpci anyway. */
|
||||
static DEFINE_SPINLOCK(cfgspace_lock);
|
||||
/* Core to access the external PCI config space. Can only have one. */
|
||||
static struct ssb_pcicore *extpci_core;
|
||||
|
||||
u32 pci_iobase = 0x100;
|
||||
u32 pci_membase = SSB_PCI_DMA;
|
||||
|
||||
int pcibios_plat_dev_init(struct pci_dev *d)
|
||||
{
|
||||
struct resource *res;
|
||||
int pos, size;
|
||||
u32 *base;
|
||||
|
||||
printk("PCI: Fixing up device %s\n", pci_name(d));
|
||||
|
||||
/* Fix up resource bases */
|
||||
for (pos = 0; pos < 6; pos++) {
|
||||
res = &d->resource[pos];
|
||||
base = ((res->flags & IORESOURCE_IO) ? &pci_iobase : &pci_membase);
|
||||
if (res->end) {
|
||||
size = res->end - res->start + 1;
|
||||
if (*base & (size - 1))
|
||||
*base = (*base + size) & ~(size - 1);
|
||||
res->start = *base;
|
||||
res->end = res->start + size - 1;
|
||||
*base += size;
|
||||
pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start);
|
||||
}
|
||||
/* Fix up PCI bridge BAR0 only */
|
||||
if (d->bus->number == 0 && PCI_SLOT(d->devfn) == 0)
|
||||
break;
|
||||
}
|
||||
/* Fix up interrupt lines */
|
||||
d->irq = ssb_mips_irq(extpci_core->dev) + 2;
|
||||
pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void __init ssb_fixup_pcibridge(struct pci_dev *dev)
|
||||
{
|
||||
if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) != 0)
|
||||
return;
|
||||
|
||||
printk("PCI: fixing up bridge\n");
|
||||
|
||||
/* Enable PCI bridge bus mastering and memory space */
|
||||
pci_set_master(dev);
|
||||
pcibios_enable_device(dev, ~0);
|
||||
|
||||
/* Enable PCI bridge BAR1 prefetch and burst */
|
||||
pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3);
|
||||
}
|
||||
DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge);
|
||||
|
||||
int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
|
||||
{
|
||||
return ssb_mips_irq(extpci_core->dev) + 2;
|
||||
}
|
||||
|
||||
static u32 get_cfgspace_addr(struct ssb_pcicore *pc,
|
||||
unsigned int bus, unsigned int dev,
|
||||
unsigned int func, unsigned int off)
|
||||
{
|
||||
u32 addr = 0;
|
||||
u32 tmp;
|
||||
|
||||
if (unlikely(pc->cardbusmode && dev > 1))
|
||||
goto out;
|
||||
if (bus == 0) {//FIXME busnumber ok?
|
||||
/* Type 0 transaction */
|
||||
if (unlikely(dev >= SSB_PCI_SLOT_MAX))
|
||||
goto out;
|
||||
/* Slide the window */
|
||||
tmp = SSB_PCICORE_SBTOPCI_CFG0;
|
||||
tmp |= ((1 << (dev + 16)) & SSB_PCICORE_SBTOPCI1_MASK);
|
||||
pcicore_write32(pc, SSB_PCICORE_SBTOPCI1, tmp);
|
||||
/* Calculate the address */
|
||||
addr = SSB_PCI_CFG;
|
||||
addr |= ((1 << (dev + 16)) & ~SSB_PCICORE_SBTOPCI1_MASK);
|
||||
addr |= (func << 8);
|
||||
addr |= (off & ~3);
|
||||
} else {
|
||||
/* Type 1 transaction */
|
||||
pcicore_write32(pc, SSB_PCICORE_SBTOPCI1,
|
||||
SSB_PCICORE_SBTOPCI_CFG1);
|
||||
/* Calculate the address */
|
||||
addr = SSB_PCI_CFG;
|
||||
addr |= (bus << 16);
|
||||
addr |= (dev << 11);
|
||||
addr |= (func << 8);
|
||||
addr |= (off & ~3);
|
||||
}
|
||||
out:
|
||||
return addr;
|
||||
}
|
||||
|
||||
static int ssb_extpci_read_config(struct ssb_pcicore *pc,
|
||||
unsigned int bus, unsigned int dev,
|
||||
unsigned int func, unsigned int off,
|
||||
void *buf, int len)
|
||||
{
|
||||
int err = -EINVAL;
|
||||
u32 addr, val;
|
||||
void __iomem *mmio;
|
||||
|
||||
assert(pc->hostmode);
|
||||
if (unlikely(len != 1 && len != 2 && len != 4))
|
||||
goto out;
|
||||
addr = get_cfgspace_addr(pc, bus, dev, func, off);
|
||||
if (unlikely(!addr))
|
||||
goto out;
|
||||
err = -ENOMEM;
|
||||
mmio = ioremap_nocache(addr, len);
|
||||
if (!mmio)
|
||||
goto out;
|
||||
|
||||
if (mips_busprobe(val, (u32 *) mmio)) {
|
||||
val = 0xffffffff;
|
||||
goto unmap;
|
||||
}
|
||||
|
||||
val = readl(mmio);
|
||||
val >>= (8 * (off & 3));
|
||||
|
||||
switch (len) {
|
||||
case 1:
|
||||
*((u8 *)buf) = (u8)val;
|
||||
break;
|
||||
case 2:
|
||||
*((u16 *)buf) = (u16)val;
|
||||
break;
|
||||
case 4:
|
||||
*((u32 *)buf) = (u32)val;
|
||||
break;
|
||||
}
|
||||
err = 0;
|
||||
unmap:
|
||||
iounmap(mmio);
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static int ssb_extpci_write_config(struct ssb_pcicore *pc,
|
||||
unsigned int bus, unsigned int dev,
|
||||
unsigned int func, unsigned int off,
|
||||
const void *buf, int len)
|
||||
{
|
||||
int err = -EINVAL;
|
||||
u32 addr, val = 0;
|
||||
void __iomem *mmio;
|
||||
|
||||
assert(pc->hostmode);
|
||||
if (unlikely(len != 1 && len != 2 && len != 4))
|
||||
goto out;
|
||||
addr = get_cfgspace_addr(pc, bus, dev, func, off);
|
||||
if (unlikely(!addr))
|
||||
goto out;
|
||||
err = -ENOMEM;
|
||||
mmio = ioremap_nocache(addr, len);
|
||||
if (!mmio)
|
||||
goto out;
|
||||
|
||||
if (mips_busprobe(val, (u32 *) mmio)) {
|
||||
val = 0xffffffff;
|
||||
goto unmap;
|
||||
}
|
||||
|
||||
switch (len) {
|
||||
case 1:
|
||||
val = readl(mmio);
|
||||
val &= ~(0xFF << (8 * (off & 3)));
|
||||
val |= *((const u8 *)buf) << (8 * (off & 3));
|
||||
break;
|
||||
case 2:
|
||||
val = readl(mmio);
|
||||
val &= ~(0xFFFF << (8 * (off & 3)));
|
||||
val |= *((const u16 *)buf) << (8 * (off & 3));
|
||||
break;
|
||||
case 4:
|
||||
val = *((const u32 *)buf);
|
||||
break;
|
||||
}
|
||||
writel(*((const u32 *)buf), mmio);
|
||||
|
||||
err = 0;
|
||||
unmap:
|
||||
iounmap(mmio);
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
static int ssb_pcicore_read_config(struct pci_bus *bus, unsigned int devfn,
|
||||
int reg, int size, u32 *val)
|
||||
{
|
||||
unsigned long flags;
|
||||
int err;
|
||||
|
||||
spin_lock_irqsave(&cfgspace_lock, flags);
|
||||
err = ssb_extpci_read_config(extpci_core, bus->number, PCI_SLOT(devfn),
|
||||
PCI_FUNC(devfn), reg, val, size);
|
||||
spin_unlock_irqrestore(&cfgspace_lock, flags);
|
||||
|
||||
return err ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
static int ssb_pcicore_write_config(struct pci_bus *bus, unsigned int devfn,
|
||||
int reg, int size, u32 val)
|
||||
{
|
||||
unsigned long flags;
|
||||
int err;
|
||||
|
||||
spin_lock_irqsave(&cfgspace_lock, flags);
|
||||
err = ssb_extpci_write_config(extpci_core, bus->number, PCI_SLOT(devfn),
|
||||
PCI_FUNC(devfn), reg, &val, size);
|
||||
spin_unlock_irqrestore(&cfgspace_lock, flags);
|
||||
|
||||
return err ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
static struct pci_ops ssb_pcicore_pciops = {
|
||||
.read = ssb_pcicore_read_config,
|
||||
.write = ssb_pcicore_write_config,
|
||||
};
|
||||
|
||||
static struct resource ssb_pcicore_mem_resource = {
|
||||
.name = "SSB PCIcore external memory",
|
||||
.start = SSB_PCI_DMA,
|
||||
.end = (u32)SSB_PCI_DMA + (u32)SSB_PCI_DMA_SZ - 1,
|
||||
.flags = IORESOURCE_MEM,
|
||||
};
|
||||
|
||||
static struct resource ssb_pcicore_io_resource = {
|
||||
.name = "SSB PCIcore external I/O",
|
||||
.start = 0x100,
|
||||
.end = 0x7FF,
|
||||
.flags = IORESOURCE_IO,
|
||||
};
|
||||
|
||||
static struct pci_controller ssb_pcicore_controller = {
|
||||
.pci_ops = &ssb_pcicore_pciops,
|
||||
.io_resource = &ssb_pcicore_io_resource,
|
||||
.mem_resource = &ssb_pcicore_mem_resource,
|
||||
.mem_offset = 0x24000000,
|
||||
};
|
||||
|
||||
static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
|
||||
{
|
||||
u32 val;
|
||||
|
||||
assert(!extpci_core);
|
||||
extpci_core = pc;
|
||||
|
||||
ssb_dprintk(KERN_INFO PFX "PCIcore in host mode found\n");
|
||||
/* Reset devices on the external PCI bus */
|
||||
val = SSB_PCICORE_CTL_RST_OE;
|
||||
val |= SSB_PCICORE_CTL_CLK_OE;
|
||||
pcicore_write32(pc, SSB_PCICORE_CTL, val);
|
||||
val |= SSB_PCICORE_CTL_CLK; /* Clock on */
|
||||
pcicore_write32(pc, SSB_PCICORE_CTL, val);
|
||||
udelay(150);
|
||||
val |= SSB_PCICORE_CTL_RST; /* Deassert RST# */
|
||||
pcicore_write32(pc, SSB_PCICORE_CTL, val);
|
||||
udelay(1);
|
||||
|
||||
//TODO cardbus mode
|
||||
|
||||
/* 64MB I/O window */
|
||||
pcicore_write32(pc, SSB_PCICORE_SBTOPCI0,
|
||||
SSB_PCICORE_SBTOPCI_IO);
|
||||
/* 64MB config space */
|
||||
pcicore_write32(pc, SSB_PCICORE_SBTOPCI1,
|
||||
SSB_PCICORE_SBTOPCI_CFG0);
|
||||
/* 1GB memory window */
|
||||
pcicore_write32(pc, SSB_PCICORE_SBTOPCI2,
|
||||
SSB_PCICORE_SBTOPCI_MEM | SSB_PCI_DMA);
|
||||
|
||||
/* Enable PCI bridge BAR0 prefetch and burst */
|
||||
val = PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
|
||||
ssb_extpci_write_config(pc, 0, 0, 0, PCI_COMMAND, &val, 4);
|
||||
|
||||
/* Enable PCI interrupts */
|
||||
pcicore_write32(pc, SSB_PCICORE_IMASK,
|
||||
SSB_PCICORE_IMASK_INTA);
|
||||
|
||||
/* Ok, ready to run, register it to the system.
|
||||
* The following needs change, if we want to port hostmode
|
||||
* to non-MIPS platform. */
|
||||
set_io_port_base((unsigned long)ioremap_nocache(SSB_PCI_MEM, 0x04000000));
|
||||
register_pci_controller(&ssb_pcicore_controller);
|
||||
}
|
||||
|
||||
static int pcicore_is_in_hostmode(struct ssb_pcicore *pc)
|
||||
{
|
||||
struct ssb_bus *bus = pc->dev->bus;
|
||||
u16 chipid_top;
|
||||
u32 tmp;
|
||||
|
||||
chipid_top = (bus->chip_id & 0xFF00);
|
||||
if (chipid_top != 0x4700 &&
|
||||
chipid_top != 0x5300)
|
||||
return 0;
|
||||
|
||||
if (bus->sprom.r1.boardflags_lo & SSB_PCICORE_BFL_NOPCI)
|
||||
return 0;
|
||||
|
||||
/* The 200-pin BCM4712 package does not bond out PCI. Even when
|
||||
* PCI is bonded out, some boards may leave the pins floating. */
|
||||
if (bus->chip_id == 0x4712) {
|
||||
if (bus->chip_package == SSB_CHIPPACK_BCM4712S)
|
||||
return 0;
|
||||
if (bus->chip_package == SSB_CHIPPACK_BCM4712M)
|
||||
return 0;
|
||||
}
|
||||
if (bus->chip_id == 0x5350)
|
||||
return 0;
|
||||
|
||||
return !mips_busprobe(tmp, (u32 *) (bus->mmio + (pc->dev->core_index * SSB_CORE_SIZE)));
|
||||
}
|
||||
#endif /* CONFIG_SSB_PCICORE_HOSTMODE */
|
||||
|
||||
|
||||
/**************************************************
|
||||
* Generic and Clientmode operation code.
|
||||
**************************************************/
|
||||
|
||||
static void ssb_pcicore_init_clientmode(struct ssb_pcicore *pc)
|
||||
{
|
||||
/* Disable PCI interrupts. */
|
||||
ssb_write32(pc->dev, SSB_INTVEC, 0);
|
||||
}
|
||||
|
||||
void ssb_pcicore_init(struct ssb_pcicore *pc)
|
||||
{
|
||||
struct ssb_device *dev = pc->dev;
|
||||
struct ssb_bus *bus;
|
||||
|
||||
if (!dev)
|
||||
return;
|
||||
bus = dev->bus;
|
||||
if (!ssb_device_is_enabled(dev))
|
||||
ssb_device_enable(dev, 0);
|
||||
|
||||
#ifdef CONFIG_SSB_PCICORE_HOSTMODE
|
||||
pc->hostmode = pcicore_is_in_hostmode(pc);
|
||||
if (pc->hostmode)
|
||||
ssb_pcicore_init_hostmode(pc);
|
||||
#endif /* CONFIG_SSB_PCICORE_HOSTMODE */
|
||||
if (!pc->hostmode)
|
||||
ssb_pcicore_init_clientmode(pc);
|
||||
}
|
||||
|
||||
static u32 ssb_pcie_read(struct ssb_pcicore *pc, u32 address)
|
||||
{
|
||||
pcicore_write32(pc, 0x130, address);
|
||||
return pcicore_read32(pc, 0x134);
|
||||
}
|
||||
|
||||
static void ssb_pcie_write(struct ssb_pcicore *pc, u32 address, u32 data)
|
||||
{
|
||||
pcicore_write32(pc, 0x130, address);
|
||||
pcicore_write32(pc, 0x134, data);
|
||||
}
|
||||
|
||||
static void ssb_pcie_mdio_write(struct ssb_pcicore *pc, u8 device,
|
||||
u8 address, u16 data)
|
||||
{
|
||||
const u16 mdio_control = 0x128;
|
||||
const u16 mdio_data = 0x12C;
|
||||
u32 v;
|
||||
int i;
|
||||
|
||||
v = 0x80; /* Enable Preamble Sequence */
|
||||
v |= 0x2; /* MDIO Clock Divisor */
|
||||
pcicore_write32(pc, mdio_control, v);
|
||||
|
||||
v = (1 << 30); /* Start of Transaction */
|
||||
v |= (1 << 28); /* Write Transaction */
|
||||
v |= (1 << 17); /* Turnaround */
|
||||
v |= (u32)device << 22;
|
||||
v |= (u32)address << 18;
|
||||
v |= data;
|
||||
pcicore_write32(pc, mdio_data, v);
|
||||
udelay(10);
|
||||
for (i = 0; i < 10; i++) {
|
||||
v = pcicore_read32(pc, mdio_control);
|
||||
if (v & 0x100 /* Trans complete */)
|
||||
break;
|
||||
msleep(1);
|
||||
}
|
||||
pcicore_write32(pc, mdio_control, 0);
|
||||
}
|
||||
|
||||
static void ssb_broadcast_value(struct ssb_device *dev,
|
||||
u32 address, u32 data)
|
||||
{
|
||||
/* This is used for both, PCI and ChipCommon core, so be careful. */
|
||||
BUILD_BUG_ON(SSB_PCICORE_BCAST_ADDR != SSB_CHIPCO_BCAST_ADDR);
|
||||
BUILD_BUG_ON(SSB_PCICORE_BCAST_DATA != SSB_CHIPCO_BCAST_DATA);
|
||||
|
||||
ssb_write32(dev, SSB_PCICORE_BCAST_ADDR, address);
|
||||
ssb_read32(dev, SSB_PCICORE_BCAST_ADDR); /* flush */
|
||||
ssb_write32(dev, SSB_PCICORE_BCAST_DATA, data);
|
||||
ssb_read32(dev, SSB_PCICORE_BCAST_DATA); /* flush */
|
||||
}
|
||||
|
||||
static void ssb_commit_settings(struct ssb_bus *bus)
|
||||
{
|
||||
struct ssb_device *dev;
|
||||
|
||||
dev = bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev;
|
||||
assert(dev);
|
||||
/* This forces an update of the cached registers. */
|
||||
ssb_broadcast_value(dev, 0xFD8, 0);
|
||||
}
|
||||
|
||||
int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
|
||||
struct ssb_device *dev)
|
||||
{
|
||||
struct ssb_device *pdev = pc->dev;
|
||||
struct ssb_bus *bus;
|
||||
int err = 0;
|
||||
u32 tmp;
|
||||
|
||||
might_sleep();
|
||||
|
||||
if (!pdev)
|
||||
goto out;
|
||||
bus = pdev->bus;
|
||||
|
||||
/* Enable interrupts for this device. */
|
||||
if (bus->host_pci &&
|
||||
((pdev->id.revision >= 6) || (pdev->id.coreid == SSB_DEV_PCIE))) {
|
||||
u32 coremask;
|
||||
|
||||
/* Calculate the "coremask" for the device. */
|
||||
coremask = (1 << dev->core_index);
|
||||
|
||||
err = pci_read_config_dword(bus->host_pci, SSB_PCI_IRQMASK, &tmp);
|
||||
if (err)
|
||||
goto out;
|
||||
tmp |= coremask << 8;
|
||||
err = pci_write_config_dword(bus->host_pci, SSB_PCI_IRQMASK, tmp);
|
||||
if (err)
|
||||
goto out;
|
||||
} else {
|
||||
u32 intvec;
|
||||
|
||||
intvec = ssb_read32(pdev, SSB_INTVEC);
|
||||
tmp = ssb_read32(dev, SSB_TPSFLAG);
|
||||
tmp &= SSB_TPSFLAG_BPFLAG;
|
||||
intvec |= tmp;
|
||||
ssb_write32(pdev, SSB_INTVEC, intvec);
|
||||
}
|
||||
|
||||
/* Setup PCIcore operation. */
|
||||
if (pc->setup_done)
|
||||
goto out;
|
||||
if (pdev->id.coreid == SSB_DEV_PCI) {
|
||||
tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2);
|
||||
tmp |= SSB_PCICORE_SBTOPCI_PREF;
|
||||
tmp |= SSB_PCICORE_SBTOPCI_BURST;
|
||||
pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp);
|
||||
|
||||
if (pdev->id.revision < 5) {
|
||||
tmp = ssb_read32(pdev, SSB_IMCFGLO);
|
||||
tmp &= ~SSB_IMCFGLO_SERTO;
|
||||
tmp |= 2;
|
||||
tmp &= ~SSB_IMCFGLO_REQTO;
|
||||
tmp |= 3 << SSB_IMCFGLO_REQTO_SHIFT;
|
||||
ssb_write32(pdev, SSB_IMCFGLO, tmp);
|
||||
ssb_commit_settings(bus);
|
||||
} else if (pdev->id.revision >= 11) {
|
||||
tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2);
|
||||
tmp |= SSB_PCICORE_SBTOPCI_MRM;
|
||||
pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp);
|
||||
}
|
||||
} else {
|
||||
assert(pdev->id.coreid == SSB_DEV_PCIE);
|
||||
//TODO: Better make defines for all these magic PCIE values.
|
||||
if ((pdev->id.revision == 0) || (pdev->id.revision == 1)) {
|
||||
/* TLP Workaround register. */
|
||||
tmp = ssb_pcie_read(pc, 0x4);
|
||||
tmp |= 0x8;
|
||||
ssb_pcie_write(pc, 0x4, tmp);
|
||||
}
|
||||
if (pdev->id.revision == 0) {
|
||||
const u8 serdes_rx_device = 0x1F;
|
||||
|
||||
ssb_pcie_mdio_write(pc, serdes_rx_device,
|
||||
2 /* Timer */, 0x8128);
|
||||
ssb_pcie_mdio_write(pc, serdes_rx_device,
|
||||
6 /* CDR */, 0x0100);
|
||||
ssb_pcie_mdio_write(pc, serdes_rx_device,
|
||||
7 /* CDR BW */, 0x1466);
|
||||
} else if (pdev->id.revision == 1) {
|
||||
/* DLLP Link Control register. */
|
||||
tmp = ssb_pcie_read(pc, 0x100);
|
||||
tmp |= 0x40;
|
||||
ssb_pcie_write(pc, 0x100, tmp);
|
||||
}
|
||||
}
|
||||
pc->setup_done = 1;
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_pcicore_dev_irqvecs_enable);
|
480
target/linux/brcm47xx-2.6/files/drivers/ssb/pci.c
Normal file
480
target/linux/brcm47xx-2.6/files/drivers/ssb/pci.c
Normal file
|
@ -0,0 +1,480 @@
|
|||
/*
|
||||
* Sonics Silicon Backplane PCI-Hostbus related functions.
|
||||
*
|
||||
* Copyright (C) 2005-2006 Michael Buesch <mb@bu3sch.de>
|
||||
* Copyright (C) 2005 Martin Langer <martin-langer@gmx.de>
|
||||
* Copyright (C) 2005 Stefano Brivio <st3@riseup.net>
|
||||
* Copyright (C) 2005 Danny van Dyk <kugelfang@gentoo.org>
|
||||
* Copyright (C) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
|
||||
*
|
||||
* Derived from the Broadcom 4400 device driver.
|
||||
* Copyright (C) 2002 David S. Miller (davem@redhat.com)
|
||||
* Fixed by Pekka Pietikainen (pp@ee.oulu.fi)
|
||||
* Copyright (C) 2006 Broadcom Corporation.
|
||||
*
|
||||
* Licensed under the GNU/GPL. See COPYING for details.
|
||||
*/
|
||||
|
||||
#include <linux/ssb/ssb.h>
|
||||
#include <linux/ssb/ssb_regs.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/delay.h>
|
||||
|
||||
#include "ssb_private.h"
|
||||
|
||||
|
||||
int ssb_pci_switch_coreidx(struct ssb_bus *bus, u8 coreidx)
|
||||
{
|
||||
int err;
|
||||
int attempts = 0;
|
||||
u32 cur_core;
|
||||
|
||||
while (1) {
|
||||
err = pci_write_config_dword(bus->host_pci, SSB_BAR0_WIN,
|
||||
(coreidx * SSB_CORE_SIZE)
|
||||
+ SSB_ENUM_BASE);
|
||||
if (err)
|
||||
goto error;
|
||||
err = pci_read_config_dword(bus->host_pci, SSB_BAR0_WIN,
|
||||
&cur_core);
|
||||
if (err)
|
||||
goto error;
|
||||
cur_core = (cur_core - SSB_ENUM_BASE)
|
||||
/ SSB_CORE_SIZE;
|
||||
if (cur_core == coreidx)
|
||||
break;
|
||||
|
||||
if (attempts++ > SSB_BAR0_MAX_RETRIES)
|
||||
goto error;
|
||||
udelay(10);
|
||||
}
|
||||
return 0;
|
||||
error:
|
||||
ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
int ssb_pci_switch_core(struct ssb_bus *bus,
|
||||
struct ssb_device *dev)
|
||||
{
|
||||
int err;
|
||||
unsigned long flags;
|
||||
|
||||
ssb_dprintk(KERN_INFO PFX
|
||||
"Switching to %s core, index %d\n",
|
||||
ssb_core_name(dev->id.coreid),
|
||||
dev->core_index);
|
||||
|
||||
spin_lock_irqsave(&bus->bar_lock, flags);
|
||||
err = ssb_pci_switch_coreidx(bus, dev->core_index);
|
||||
if (!err)
|
||||
bus->mapped_device = dev;
|
||||
spin_unlock_irqrestore(&bus->bar_lock, flags);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
int ssb_pci_xtal(struct ssb_bus *bus, u32 what, int turn_on)
|
||||
{
|
||||
int err;
|
||||
u32 in, out, outenable;
|
||||
u16 pci_status;
|
||||
|
||||
if (bus->bustype != SSB_BUSTYPE_PCI)
|
||||
return 0;
|
||||
|
||||
err = pci_read_config_dword(bus->host_pci, SSB_GPIO_IN, &in);
|
||||
if (err)
|
||||
goto err_pci;
|
||||
err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT, &out);
|
||||
if (err)
|
||||
goto err_pci;
|
||||
err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, &outenable);
|
||||
if (err)
|
||||
goto err_pci;
|
||||
|
||||
outenable |= what;
|
||||
|
||||
if (turn_on) {
|
||||
/* Avoid glitching the clock if GPRS is already using it.
|
||||
* We can't actually read the state of the PLLPD so we infer it
|
||||
* by the value of XTAL_PU which *is* readable via gpioin.
|
||||
*/
|
||||
if (!(in & SSB_GPIO_XTAL)) {
|
||||
if (what & SSB_GPIO_XTAL) {
|
||||
/* Turn the crystal on */
|
||||
out |= SSB_GPIO_XTAL;
|
||||
if (what & SSB_GPIO_PLL)
|
||||
out |= SSB_GPIO_PLL;
|
||||
err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);
|
||||
if (err)
|
||||
goto err_pci;
|
||||
err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE,
|
||||
outenable);
|
||||
if (err)
|
||||
goto err_pci;
|
||||
msleep(1);
|
||||
}
|
||||
if (what & SSB_GPIO_PLL) {
|
||||
/* Turn the PLL on */
|
||||
out &= ~SSB_GPIO_PLL;
|
||||
err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);
|
||||
if (err)
|
||||
goto err_pci;
|
||||
msleep(2);
|
||||
}
|
||||
}
|
||||
|
||||
err = pci_read_config_word(bus->host_pci, PCI_STATUS, &pci_status);
|
||||
if (err)
|
||||
goto err_pci;
|
||||
pci_status &= ~PCI_STATUS_SIG_TARGET_ABORT;
|
||||
err = pci_write_config_word(bus->host_pci, PCI_STATUS, pci_status);
|
||||
if (err)
|
||||
goto err_pci;
|
||||
} else {
|
||||
if (what & SSB_GPIO_XTAL) {
|
||||
/* Turn the crystal off */
|
||||
out &= ~SSB_GPIO_XTAL;
|
||||
}
|
||||
if (what & SSB_GPIO_PLL) {
|
||||
/* Turn the PLL off */
|
||||
out |= SSB_GPIO_PLL;
|
||||
}
|
||||
err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);
|
||||
if (err)
|
||||
goto err_pci;
|
||||
err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, outenable);
|
||||
if (err)
|
||||
goto err_pci;
|
||||
}
|
||||
|
||||
out:
|
||||
return err;
|
||||
|
||||
err_pci:
|
||||
printk(KERN_ERR PFX "Error: ssb_pci_xtal() could not access PCI config space!\n");
|
||||
err = -EBUSY;
|
||||
goto out;
|
||||
}
|
||||
|
||||
#define SPOFF(offset) (((offset) - SSB_SPROM_BASE) / sizeof(u16))
|
||||
#define SPEX(_outvar, _offset, _mask, _shift) \
|
||||
out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift))
|
||||
|
||||
static inline u8 ssb_crc8(u8 crc, u8 data)
|
||||
{
|
||||
/* Polynomial: x^8 + x^7 + x^6 + x^4 + x^2 + 1 */
|
||||
static const u8 t[] = {
|
||||
0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B,
|
||||
0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21,
|
||||
0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF,
|
||||
0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5,
|
||||
0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14,
|
||||
0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E,
|
||||
0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80,
|
||||
0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA,
|
||||
0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95,
|
||||
0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF,
|
||||
0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01,
|
||||
0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B,
|
||||
0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA,
|
||||
0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0,
|
||||
0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E,
|
||||
0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34,
|
||||
0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0,
|
||||
0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A,
|
||||
0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54,
|
||||
0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E,
|
||||
0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF,
|
||||
0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5,
|
||||
0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B,
|
||||
0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61,
|
||||
0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E,
|
||||
0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74,
|
||||
0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA,
|
||||
0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0,
|
||||
0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41,
|
||||
0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B,
|
||||
0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5,
|
||||
0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F,
|
||||
};
|
||||
return t[crc ^ data];
|
||||
}
|
||||
|
||||
static u8 ssb_sprom_crc(const u16 *sprom)
|
||||
{
|
||||
int word;
|
||||
u8 crc = 0xFF;
|
||||
|
||||
for (word = 0; word < SSB_SPROMSIZE_WORDS - 1; word++) {
|
||||
crc = ssb_crc8(crc, sprom[word] & 0x00FF);
|
||||
crc = ssb_crc8(crc, (sprom[word] & 0xFF00) >> 8);
|
||||
}
|
||||
crc = ssb_crc8(crc, sprom[SPOFF(SSB_SPROM_REVISION)] & 0x00FF);
|
||||
crc ^= 0xFF;
|
||||
|
||||
return crc;
|
||||
}
|
||||
|
||||
static int sprom_check_crc(const u16 *sprom)
|
||||
{
|
||||
u8 crc;
|
||||
u8 expected_crc;
|
||||
u16 tmp;
|
||||
|
||||
crc = ssb_sprom_crc(sprom);
|
||||
tmp = sprom[SPOFF(SSB_SPROM_REVISION)] & SSB_SPROM_REVISION_CRC;
|
||||
expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT;
|
||||
if (crc != expected_crc)
|
||||
return -EPROTO;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void sprom_do_read(struct ssb_bus *bus, u16 *sprom)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < SSB_SPROMSIZE_WORDS; i++)
|
||||
sprom[i] = readw(bus->mmio + SSB_SPROM_BASE + (i * 2));
|
||||
}
|
||||
|
||||
static void sprom_extract_r1(struct ssb_sprom_r1 *out, const u16 *in)
|
||||
{
|
||||
int i;
|
||||
u16 v;
|
||||
|
||||
SPEX(pci_spid, SSB_SPROM1_SPID, 0xFFFF, 0);
|
||||
SPEX(pci_svid, SSB_SPROM1_SVID, 0xFFFF, 0);
|
||||
SPEX(pci_pid, SSB_SPROM1_PID, 0xFFFF, 0);
|
||||
for (i = 0; i < 3; i++) {
|
||||
v = in[SPOFF(SSB_SPROM1_IL0MAC) + i];
|
||||
*(((u16 *)out->il0mac) + i) = cpu_to_be16(v);
|
||||
}
|
||||
for (i = 0; i < 3; i++) {
|
||||
v = in[SPOFF(SSB_SPROM1_ET0MAC) + i];
|
||||
*(((u16 *)out->et0mac) + i) = cpu_to_be16(v);
|
||||
}
|
||||
for (i = 0; i < 3; i++) {
|
||||
v = in[SPOFF(SSB_SPROM1_ET1MAC) + i];
|
||||
*(((u16 *)out->et1mac) + i) = cpu_to_be16(v);
|
||||
}
|
||||
SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0);
|
||||
SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A,
|
||||
SSB_SPROM1_ETHPHY_ET1A_SHIFT);
|
||||
SPEX(et0mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0M, 14);
|
||||
SPEX(et1mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1M, 15);
|
||||
SPEX(board_rev, SSB_SPROM1_BINF, SSB_SPROM1_BINF_BREV, 0);
|
||||
SPEX(country_code, SSB_SPROM1_BINF, SSB_SPROM1_BINF_CCODE,
|
||||
SSB_SPROM1_BINF_CCODE_SHIFT);
|
||||
SPEX(antenna_a, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTA,
|
||||
SSB_SPROM1_BINF_ANTA_SHIFT);
|
||||
SPEX(antenna_bg, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTBG,
|
||||
SSB_SPROM1_BINF_ANTBG_SHIFT);
|
||||
SPEX(pa0b0, SSB_SPROM1_PA0B0, 0xFFFF, 0);
|
||||
SPEX(pa0b1, SSB_SPROM1_PA0B1, 0xFFFF, 0);
|
||||
SPEX(pa0b2, SSB_SPROM1_PA0B2, 0xFFFF, 0);
|
||||
SPEX(pa1b0, SSB_SPROM1_PA1B0, 0xFFFF, 0);
|
||||
SPEX(pa1b1, SSB_SPROM1_PA1B1, 0xFFFF, 0);
|
||||
SPEX(pa1b2, SSB_SPROM1_PA1B2, 0xFFFF, 0);
|
||||
SPEX(gpio0, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P0, 0);
|
||||
SPEX(gpio1, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P1,
|
||||
SSB_SPROM1_GPIOA_P1_SHIFT);
|
||||
SPEX(gpio2, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P2, 0);
|
||||
SPEX(gpio3, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P3,
|
||||
SSB_SPROM1_GPIOB_P3_SHIFT);
|
||||
SPEX(maxpwr_a, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_A, 0);
|
||||
SPEX(maxpwr_bg, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_BG,
|
||||
SSB_SPROM1_MAXPWR_BG_SHIFT);
|
||||
SPEX(itssi_a, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_A, 0);
|
||||
SPEX(itssi_bg, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_BG,
|
||||
SSB_SPROM1_ITSSI_BG_SHIFT);
|
||||
SPEX(boardflags_lo, SSB_SPROM1_BFLLO, 0xFFFF, 0);
|
||||
SPEX(antenna_gain_a, SSB_SPROM1_AGAIN, SSB_SPROM1_AGAIN_A, 0);
|
||||
SPEX(antenna_gain_bg, SSB_SPROM1_AGAIN, SSB_SPROM1_AGAIN_BG,
|
||||
SSB_SPROM1_AGAIN_BG_SHIFT);
|
||||
for (i = 0; i < 4; i++) {
|
||||
v = in[SPOFF(SSB_SPROM1_OEM) + i];
|
||||
*(((u16 *)out->oem) + i) = cpu_to_le16(v);
|
||||
}
|
||||
}
|
||||
|
||||
static void sprom_extract_r2(struct ssb_sprom_r2 *out, const u16 *in)
|
||||
{
|
||||
int i;
|
||||
u16 v;
|
||||
|
||||
SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0);
|
||||
SPEX(maxpwr_a_hi, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_HI, 0);
|
||||
SPEX(maxpwr_a_lo, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_LO,
|
||||
SSB_SPROM2_MAXP_A_LO_SHIFT);
|
||||
SPEX(pa1lob0, SSB_SPROM2_PA1LOB0, 0xFFFF, 0);
|
||||
SPEX(pa1lob1, SSB_SPROM2_PA1LOB1, 0xFFFF, 0);
|
||||
SPEX(pa1lob2, SSB_SPROM2_PA1LOB2, 0xFFFF, 0);
|
||||
SPEX(pa1hib0, SSB_SPROM2_PA1HIB0, 0xFFFF, 0);
|
||||
SPEX(pa1hib1, SSB_SPROM2_PA1HIB1, 0xFFFF, 0);
|
||||
SPEX(pa1hib2, SSB_SPROM2_PA1HIB2, 0xFFFF, 0);
|
||||
SPEX(ofdm_pwr_off, SSB_SPROM2_OPO, SSB_SPROM2_OPO_VALUE, 0);
|
||||
for (i = 0; i < 4; i++) {
|
||||
v = in[SPOFF(SSB_SPROM2_CCODE) + i];
|
||||
*(((u16 *)out->country_str) + i) = cpu_to_le16(v);
|
||||
}
|
||||
}
|
||||
|
||||
static void sprom_extract_r3(struct ssb_sprom_r3 *out, const u16 *in)
|
||||
{
|
||||
out->ofdmapo = (in[SPOFF(SSB_SPROM3_OFDMAPO) + 0] & 0xFF00) >> 8;
|
||||
out->ofdmapo |= (in[SPOFF(SSB_SPROM3_OFDMAPO) + 0] & 0x00FF) << 8;
|
||||
out->ofdmapo <<= 16;
|
||||
out->ofdmapo |= (in[SPOFF(SSB_SPROM3_OFDMAPO) + 1] & 0xFF00) >> 8;
|
||||
out->ofdmapo |= (in[SPOFF(SSB_SPROM3_OFDMAPO) + 1] & 0x00FF) << 8;
|
||||
|
||||
out->ofdmalpo = (in[SPOFF(SSB_SPROM3_OFDMALPO) + 0] & 0xFF00) >> 8;
|
||||
out->ofdmalpo |= (in[SPOFF(SSB_SPROM3_OFDMALPO) + 0] & 0x00FF) << 8;
|
||||
out->ofdmalpo <<= 16;
|
||||
out->ofdmalpo |= (in[SPOFF(SSB_SPROM3_OFDMALPO) + 1] & 0xFF00) >> 8;
|
||||
out->ofdmalpo |= (in[SPOFF(SSB_SPROM3_OFDMALPO) + 1] & 0x00FF) << 8;
|
||||
|
||||
out->ofdmahpo = (in[SPOFF(SSB_SPROM3_OFDMAHPO) + 0] & 0xFF00) >> 8;
|
||||
out->ofdmahpo |= (in[SPOFF(SSB_SPROM3_OFDMAHPO) + 0] & 0x00FF) << 8;
|
||||
out->ofdmahpo <<= 16;
|
||||
out->ofdmahpo |= (in[SPOFF(SSB_SPROM3_OFDMAHPO) + 1] & 0xFF00) >> 8;
|
||||
out->ofdmahpo |= (in[SPOFF(SSB_SPROM3_OFDMAHPO) + 1] & 0x00FF) << 8;
|
||||
|
||||
SPEX(gpioldc_on_cnt, SSB_SPROM3_GPIOLDC, SSB_SPROM3_GPIOLDC_ON,
|
||||
SSB_SPROM3_GPIOLDC_ON_SHIFT);
|
||||
SPEX(gpioldc_off_cnt, SSB_SPROM3_GPIOLDC, SSB_SPROM3_GPIOLDC_OFF,
|
||||
SSB_SPROM3_GPIOLDC_OFF_SHIFT);
|
||||
SPEX(cckpo_1M, SSB_SPROM3_CCKPO, SSB_SPROM3_CCKPO_1M, 0);
|
||||
SPEX(cckpo_2M, SSB_SPROM3_CCKPO, SSB_SPROM3_CCKPO_2M,
|
||||
SSB_SPROM3_CCKPO_2M_SHIFT);
|
||||
SPEX(cckpo_55M, SSB_SPROM3_CCKPO, SSB_SPROM3_CCKPO_55M,
|
||||
SSB_SPROM3_CCKPO_55M_SHIFT);
|
||||
SPEX(cckpo_11M, SSB_SPROM3_CCKPO, SSB_SPROM3_CCKPO_11M,
|
||||
SSB_SPROM3_CCKPO_11M_SHIFT);
|
||||
|
||||
out->ofdmgpo = (in[SPOFF(SSB_SPROM3_OFDMGPO) + 0] & 0xFF00) >> 8;
|
||||
out->ofdmgpo |= (in[SPOFF(SSB_SPROM3_OFDMGPO) + 0] & 0x00FF) << 8;
|
||||
out->ofdmgpo <<= 16;
|
||||
out->ofdmgpo |= (in[SPOFF(SSB_SPROM3_OFDMGPO) + 1] & 0xFF00) >> 8;
|
||||
out->ofdmgpo |= (in[SPOFF(SSB_SPROM3_OFDMGPO) + 1] & 0x00FF) << 8;
|
||||
}
|
||||
|
||||
static int sprom_extract(struct ssb_sprom *out, const u16 *in)
|
||||
{
|
||||
memset(out, 0, sizeof(*out));
|
||||
|
||||
SPEX(revision, SSB_SPROM_REVISION, SSB_SPROM_REVISION_REV, 0);
|
||||
SPEX(crc, SSB_SPROM_REVISION, SSB_SPROM_REVISION_CRC,
|
||||
SSB_SPROM_REVISION_CRC_SHIFT);
|
||||
|
||||
if (out->revision == 0)
|
||||
goto unsupported;
|
||||
if (out->revision >= 1 && out->revision <= 3)
|
||||
sprom_extract_r1(&out->r1, in);
|
||||
if (out->revision >= 2 && out->revision <= 3)
|
||||
sprom_extract_r2(&out->r2, in);
|
||||
if (out->revision == 3)
|
||||
sprom_extract_r3(&out->r3, in);
|
||||
if (out->revision >= 4)
|
||||
goto unsupported;
|
||||
|
||||
return 0;
|
||||
unsupported:
|
||||
ssb_printk(KERN_WARNING PFX "Unsupported SPROM revision %d "
|
||||
"detected. Will extract v1\n", out->revision);
|
||||
sprom_extract_r1(&out->r1, in);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int ssb_pci_sprom_get(struct ssb_bus *bus)
|
||||
{
|
||||
int err = -ENOMEM;
|
||||
u16 *buf;
|
||||
|
||||
assert(bus->bustype == SSB_BUSTYPE_PCI);
|
||||
|
||||
buf = kcalloc(SSB_SPROMSIZE_WORDS, sizeof(u16), GFP_KERNEL);
|
||||
if (!buf)
|
||||
goto out;
|
||||
sprom_do_read(bus, buf);
|
||||
err = sprom_check_crc(buf);
|
||||
if (err) {
|
||||
ssb_printk(KERN_WARNING PFX
|
||||
"WARNING: Invalid SPROM CRC (corrupt SPROM)\n");
|
||||
}
|
||||
err = sprom_extract(&bus->sprom, buf);
|
||||
|
||||
kfree(buf);
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
||||
void ssb_pci_get_boardtype(struct ssb_bus *bus)
|
||||
{
|
||||
pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_VENDOR_ID,
|
||||
&bus->board_vendor);
|
||||
pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_ID,
|
||||
&bus->board_type);
|
||||
pci_read_config_word(bus->host_pci, PCI_REVISION_ID,
|
||||
&bus->board_rev);
|
||||
}
|
||||
|
||||
static u16 ssb_pci_read16(struct ssb_device *dev, u16 offset)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
|
||||
if (unlikely(bus->mapped_device != dev)) {
|
||||
if (unlikely(ssb_pci_switch_core(bus, dev)))
|
||||
return 0xFFFF;
|
||||
}
|
||||
return readw(bus->mmio + offset);
|
||||
}
|
||||
|
||||
static u32 ssb_pci_read32(struct ssb_device *dev, u16 offset)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
|
||||
if (unlikely(bus->mapped_device != dev)) {
|
||||
if (unlikely(ssb_pci_switch_core(bus, dev)))
|
||||
return 0xFFFFFFFF;
|
||||
}
|
||||
return readl(bus->mmio + offset);
|
||||
}
|
||||
|
||||
static void ssb_pci_write16(struct ssb_device *dev, u16 offset, u16 value)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
|
||||
if (unlikely(bus->mapped_device != dev)) {
|
||||
if (unlikely(ssb_pci_switch_core(bus, dev)))
|
||||
return;
|
||||
}
|
||||
writew(value, bus->mmio + offset);
|
||||
}
|
||||
|
||||
static void ssb_pci_write32(struct ssb_device *dev, u16 offset, u32 value)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
|
||||
if (unlikely(bus->mapped_device != dev)) {
|
||||
if (unlikely(ssb_pci_switch_core(bus, dev)))
|
||||
return;
|
||||
}
|
||||
writel(value, bus->mmio + offset);
|
||||
}
|
||||
|
||||
const struct ssb_bus_ops ssb_pci_ops = {
|
||||
.read16 = ssb_pci_read16,
|
||||
.read32 = ssb_pci_read32,
|
||||
.write16 = ssb_pci_write16,
|
||||
.write32 = ssb_pci_write32,
|
||||
};
|
||||
|
||||
int ssb_pci_init(struct ssb_bus *bus)
|
||||
{
|
||||
if (bus->bustype != SSB_BUSTYPE_PCI)
|
||||
return 0;
|
||||
return ssb_pci_sprom_get(bus);
|
||||
}
|
256
target/linux/brcm47xx-2.6/files/drivers/ssb/pcmcia.c
Normal file
256
target/linux/brcm47xx-2.6/files/drivers/ssb/pcmcia.c
Normal file
|
@ -0,0 +1,256 @@
|
|||
/*
|
||||
* Sonics Silicon Backplane
|
||||
* PCMCIA-Hostbus related functions
|
||||
*
|
||||
* Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
|
||||
* Copyright 2007 Michael Buesch <mb@bu3sch.de>
|
||||
*
|
||||
* Licensed under the GNU/GPL. See COPYING for details.
|
||||
*/
|
||||
|
||||
#include <linux/ssb/ssb.h>
|
||||
#include <linux/delay.h>
|
||||
|
||||
#include <pcmcia/cs_types.h>
|
||||
#include <pcmcia/cs.h>
|
||||
#include <pcmcia/cistpl.h>
|
||||
#include <pcmcia/ciscode.h>
|
||||
#include <pcmcia/ds.h>
|
||||
#include <pcmcia/cisreg.h>
|
||||
|
||||
#include "ssb_private.h"
|
||||
|
||||
|
||||
int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
|
||||
u8 coreidx)
|
||||
{
|
||||
struct pcmcia_device *pdev = bus->host_pcmcia;
|
||||
int err;
|
||||
int attempts = 0;
|
||||
u32 cur_core;
|
||||
conf_reg_t reg;
|
||||
u32 addr;
|
||||
u32 read_addr;
|
||||
|
||||
addr = (coreidx * SSB_CORE_SIZE) + SSB_ENUM_BASE;
|
||||
while (1) {
|
||||
reg.Action = CS_WRITE;
|
||||
reg.Offset = 0x2E;
|
||||
reg.Value = (addr & 0x0000F000) >> 12;
|
||||
err = pcmcia_access_configuration_register(pdev, ®);
|
||||
if (err != CS_SUCCESS)
|
||||
goto error;
|
||||
reg.Offset = 0x30;
|
||||
reg.Value = (addr & 0x00FF0000) >> 16;
|
||||
err = pcmcia_access_configuration_register(pdev, ®);
|
||||
if (err != CS_SUCCESS)
|
||||
goto error;
|
||||
reg.Offset = 0x32;
|
||||
reg.Value = (addr & 0xFF000000) >> 24;
|
||||
err = pcmcia_access_configuration_register(pdev, ®);
|
||||
if (err != CS_SUCCESS)
|
||||
goto error;
|
||||
|
||||
read_addr = 0;
|
||||
|
||||
reg.Action = CS_READ;
|
||||
reg.Offset = 0x2E;
|
||||
err = pcmcia_access_configuration_register(pdev, ®);
|
||||
if (err != CS_SUCCESS)
|
||||
goto error;
|
||||
read_addr |= (reg.Value & 0xF) << 12;
|
||||
reg.Offset = 0x30;
|
||||
err = pcmcia_access_configuration_register(pdev, ®);
|
||||
if (err != CS_SUCCESS)
|
||||
goto error;
|
||||
read_addr |= reg.Value << 16;
|
||||
reg.Offset = 0x32;
|
||||
err = pcmcia_access_configuration_register(pdev, ®);
|
||||
if (err != CS_SUCCESS)
|
||||
goto error;
|
||||
read_addr |= reg.Value << 24;
|
||||
|
||||
cur_core = (read_addr - SSB_ENUM_BASE) / SSB_CORE_SIZE;
|
||||
if (cur_core == coreidx)
|
||||
break;
|
||||
|
||||
if (attempts++ > SSB_BAR0_MAX_RETRIES)
|
||||
goto error;
|
||||
udelay(10);
|
||||
}
|
||||
|
||||
return 0;
|
||||
error:
|
||||
ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
int ssb_pcmcia_switch_core(struct ssb_bus *bus,
|
||||
struct ssb_device *dev)
|
||||
{
|
||||
int err;
|
||||
unsigned long flags;
|
||||
|
||||
ssb_dprintk(KERN_INFO PFX
|
||||
"Switching to %s core, index %d\n",
|
||||
ssb_core_name(dev->id.coreid),
|
||||
dev->core_index);
|
||||
|
||||
spin_lock_irqsave(&bus->bar_lock, flags);
|
||||
err = ssb_pcmcia_switch_coreidx(bus, dev->core_index);
|
||||
if (!err)
|
||||
bus->mapped_device = dev;
|
||||
spin_unlock_irqrestore(&bus->bar_lock, flags);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg)
|
||||
{
|
||||
int attempts = 0;
|
||||
unsigned long flags;
|
||||
conf_reg_t reg;
|
||||
int res, err = 0;
|
||||
|
||||
assert(seg == 0 || seg == 1);
|
||||
reg.Offset = 0x34;
|
||||
reg.Function = 0;
|
||||
spin_lock_irqsave(&bus->bar_lock, flags);
|
||||
while (1) {
|
||||
reg.Action = CS_WRITE;
|
||||
reg.Value = seg;
|
||||
res = pcmcia_access_configuration_register(bus->host_pcmcia, ®);
|
||||
if (unlikely(res != CS_SUCCESS))
|
||||
goto error;
|
||||
reg.Value = 0xFF;
|
||||
reg.Action = CS_READ;
|
||||
res = pcmcia_access_configuration_register(bus->host_pcmcia, ®);
|
||||
if (unlikely(res != CS_SUCCESS))
|
||||
goto error;
|
||||
|
||||
if (reg.Value == seg)
|
||||
break;
|
||||
|
||||
if (unlikely(attempts++ > SSB_BAR0_MAX_RETRIES))
|
||||
goto error;
|
||||
udelay(10);
|
||||
}
|
||||
bus->mapped_pcmcia_seg = seg;
|
||||
out_unlock:
|
||||
spin_unlock_irqrestore(&bus->bar_lock, flags);
|
||||
return err;
|
||||
error:
|
||||
ssb_printk(KERN_ERR PFX "Failed to switch pcmcia segment\n");
|
||||
err = -ENODEV;
|
||||
goto out_unlock;
|
||||
}
|
||||
|
||||
static inline int do_select_core(struct ssb_bus *bus,
|
||||
struct ssb_device *dev,
|
||||
u16 *offset)
|
||||
{
|
||||
int err;
|
||||
u8 need_seg = (*offset >= 0x800) ? 1 : 0;
|
||||
|
||||
if (unlikely(dev != bus->mapped_device)) {
|
||||
err = ssb_pcmcia_switch_core(bus, dev);
|
||||
if (unlikely(err))
|
||||
return err;
|
||||
}
|
||||
if (unlikely(need_seg != bus->mapped_pcmcia_seg)) {
|
||||
err = ssb_pcmcia_switch_segment(bus, need_seg);
|
||||
if (unlikely(err))
|
||||
return err;
|
||||
}
|
||||
if (need_seg == 1)
|
||||
*offset -= 0x800;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static u16 ssb_pcmcia_read16(struct ssb_device *dev, u16 offset)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
u16 x;
|
||||
|
||||
if (unlikely(do_select_core(bus, dev, &offset)))
|
||||
return 0xFFFF;
|
||||
x = readw(bus->mmio + offset);
|
||||
//printk("R16 0x%04X, 0x%04X\n", offset, x);
|
||||
return x;
|
||||
}
|
||||
|
||||
static u32 ssb_pcmcia_read32(struct ssb_device *dev, u16 offset)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
u32 x;
|
||||
|
||||
if (unlikely(do_select_core(bus, dev, &offset)))
|
||||
return 0xFFFFFFFF;
|
||||
x = readl(bus->mmio + offset);
|
||||
//printk("R32 0x%04X, 0x%08X\n", offset, x);
|
||||
return x;
|
||||
}
|
||||
|
||||
static void ssb_pcmcia_write16(struct ssb_device *dev, u16 offset, u16 value)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
|
||||
if (unlikely(do_select_core(bus, dev, &offset)))
|
||||
return;
|
||||
//printk("W16 0x%04X, 0x%04X\n", offset, value);
|
||||
writew(value, bus->mmio + offset);
|
||||
}
|
||||
|
||||
static void ssb_pcmcia_write32(struct ssb_device *dev, u16 offset, u32 value)
|
||||
{
|
||||
struct ssb_bus *bus = dev->bus;
|
||||
|
||||
if (unlikely(do_select_core(bus, dev, &offset)))
|
||||
return;
|
||||
//printk("W32 0x%04X, 0x%08X\n", offset, value);
|
||||
readw(bus->mmio + offset);
|
||||
writew(value >> 16, bus->mmio + offset + 2);
|
||||
readw(bus->mmio + offset);
|
||||
writew(value, bus->mmio + offset);
|
||||
}
|
||||
|
||||
const struct ssb_bus_ops ssb_pcmcia_ops = {
|
||||
.read16 = ssb_pcmcia_read16,
|
||||
.read32 = ssb_pcmcia_read32,
|
||||
.write16 = ssb_pcmcia_write16,
|
||||
.write32 = ssb_pcmcia_write32,
|
||||
};
|
||||
|
||||
int ssb_pcmcia_init(struct ssb_bus *bus)
|
||||
{
|
||||
conf_reg_t reg;
|
||||
int err;
|
||||
|
||||
if (bus->bustype != SSB_BUSTYPE_PCMCIA)
|
||||
return 0;
|
||||
|
||||
/* Switch segment to a known state and sync
|
||||
* bus->mapped_pcmcia_seg with hardware state. */
|
||||
ssb_pcmcia_switch_segment(bus, 0);
|
||||
|
||||
/* Init IRQ routing */
|
||||
reg.Action = CS_READ;
|
||||
reg.Function = 0;
|
||||
if (bus->chip_id == 0x4306)
|
||||
reg.Offset = 0x00;
|
||||
else
|
||||
reg.Offset = 0x80;
|
||||
err = pcmcia_access_configuration_register(bus->host_pcmcia, ®);
|
||||
if (err != CS_SUCCESS)
|
||||
goto error;
|
||||
reg.Action = CS_WRITE;
|
||||
reg.Value |= 0x04 | 0x01;
|
||||
err = pcmcia_access_configuration_register(bus->host_pcmcia, ®);
|
||||
if (err != CS_SUCCESS)
|
||||
goto error;
|
||||
|
||||
return 0;
|
||||
error:
|
||||
return -ENODEV;
|
||||
}
|
373
target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c
Normal file
373
target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c
Normal file
|
@ -0,0 +1,373 @@
|
|||
/*
|
||||
* Sonics Silicon Backplane
|
||||
* Bus scanning
|
||||
*
|
||||
* Copyright (C) 2005-2007 Michael Buesch <mb@bu3sch.de>
|
||||
* Copyright (C) 2005 Martin Langer <martin-langer@gmx.de>
|
||||
* Copyright (C) 2005 Stefano Brivio <st3@riseup.net>
|
||||
* Copyright (C) 2005 Danny van Dyk <kugelfang@gentoo.org>
|
||||
* Copyright (C) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
|
||||
* Copyright (C) 2006 Broadcom Corporation.
|
||||
*
|
||||
* Licensed under the GNU/GPL. See COPYING for details.
|
||||
*/
|
||||
|
||||
#include <linux/ssb/ssb.h>
|
||||
#include <linux/ssb/ssb_regs.h>
|
||||
#include <linux/pci.h>
|
||||
#include <asm/io.h>
|
||||
|
||||
#include "ssb_private.h"
|
||||
|
||||
|
||||
const char * ssb_core_name(u16 coreid)
|
||||
{
|
||||
switch (coreid) {
|
||||
case SSB_DEV_CHIPCOMMON:
|
||||
return "ChipCommon";
|
||||
case SSB_DEV_ILINE20:
|
||||
return "ILine 20";
|
||||
case SSB_DEV_SDRAM:
|
||||
return "SDRAM";
|
||||
case SSB_DEV_PCI:
|
||||
return "PCI";
|
||||
case SSB_DEV_MIPS:
|
||||
return "MIPS";
|
||||
case SSB_DEV_ETHERNET:
|
||||
return "Fast Ethernet";
|
||||
case SSB_DEV_V90:
|
||||
return "V90";
|
||||
case SSB_DEV_USB11_HOSTDEV:
|
||||
return "USB 1.1 Hostdev";
|
||||
case SSB_DEV_ADSL:
|
||||
return "ADSL";
|
||||
case SSB_DEV_ILINE100:
|
||||
return "ILine 100";
|
||||
case SSB_DEV_IPSEC:
|
||||
return "IPSEC";
|
||||
case SSB_DEV_PCMCIA:
|
||||
return "PCMCIA";
|
||||
case SSB_DEV_INTERNAL_MEM:
|
||||
return "Internal Memory";
|
||||
case SSB_DEV_MEMC_SDRAM:
|
||||
return "MEMC SDRAM";
|
||||
case SSB_DEV_EXTIF:
|
||||
return "EXTIF";
|
||||
case SSB_DEV_80211:
|
||||
return "IEEE 802.11";
|
||||
case SSB_DEV_MIPS_3302:
|
||||
return "MIPS 3302";
|
||||
case SSB_DEV_USB11_HOST:
|
||||
return "USB 1.1 Host";
|
||||
case SSB_DEV_USB11_DEV:
|
||||
return "USB 1.1 Device";
|
||||
case SSB_DEV_USB20_HOST:
|
||||
return "USB 2.0 Host";
|
||||
case SSB_DEV_USB20_DEV:
|
||||
return "USB 2.0 Device";
|
||||
case SSB_DEV_SDIO_HOST:
|
||||
return "SDIO Host";
|
||||
case SSB_DEV_ROBOSWITCH:
|
||||
return "Roboswitch";
|
||||
case SSB_DEV_PARA_ATA:
|
||||
return "PATA";
|
||||
case SSB_DEV_SATA_XORDMA:
|
||||
return "SATA XOR-DMA";
|
||||
case SSB_DEV_ETHERNET_GBIT:
|
||||
return "GBit Ethernet";
|
||||
case SSB_DEV_PCIE:
|
||||
return "PCI-E";
|
||||
case SSB_DEV_MIMO_PHY:
|
||||
return "MIMO PHY";
|
||||
case SSB_DEV_SRAM_CTRLR:
|
||||
return "SRAM Controller";
|
||||
case SSB_DEV_MINI_MACPHY:
|
||||
return "Mini MACPHY";
|
||||
case SSB_DEV_ARM_1176:
|
||||
return "ARM 1176";
|
||||
case SSB_DEV_ARM_7TDMI:
|
||||
return "ARM 7TDMI";
|
||||
}
|
||||
return "UNKNOWN";
|
||||
}
|
||||
|
||||
static u16 pcidev_to_chipid(struct pci_dev *pci_dev)
|
||||
{
|
||||
u16 chipid_fallback = 0;
|
||||
|
||||
switch (pci_dev->device) {
|
||||
case 0x4301:
|
||||
chipid_fallback = 0x4301;
|
||||
break;
|
||||
case 0x4305 ... 0x4307:
|
||||
chipid_fallback = 0x4307;
|
||||
break;
|
||||
case 0x4403:
|
||||
chipid_fallback = 0x4402;
|
||||
break;
|
||||
case 0x4610 ... 0x4615:
|
||||
chipid_fallback = 0x4610;
|
||||
break;
|
||||
case 0x4710 ... 0x4715:
|
||||
chipid_fallback = 0x4710;
|
||||
break;
|
||||
case 0x4320 ... 0x4325:
|
||||
chipid_fallback = 0x4309;
|
||||
break;
|
||||
case PCI_DEVICE_ID_BCM4401:
|
||||
case PCI_DEVICE_ID_BCM4401B0:
|
||||
case PCI_DEVICE_ID_BCM4401B1:
|
||||
chipid_fallback = 0x4401;
|
||||
break;
|
||||
default:
|
||||
ssb_printk(KERN_ERR PFX
|
||||
"PCI-ID not in fallback list\n");
|
||||
}
|
||||
|
||||
return chipid_fallback;
|
||||
}
|
||||
|
||||
static u8 chipid_to_nrcores(u16 chipid)
|
||||
{
|
||||
switch (chipid) {
|
||||
case 0x5365:
|
||||
return 7;
|
||||
case 0x4306:
|
||||
return 6;
|
||||
case 0x4310:
|
||||
return 8;
|
||||
case 0x4307:
|
||||
case 0x4301:
|
||||
return 5;
|
||||
case 0x4401:
|
||||
case 0x4402:
|
||||
return 3;
|
||||
case 0x4710:
|
||||
case 0x4610:
|
||||
case 0x4704:
|
||||
return 9;
|
||||
default:
|
||||
ssb_printk(KERN_ERR PFX
|
||||
"CHIPID not in nrcores fallback list\n");
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static u32 scan_read32(struct ssb_bus *bus, u8 current_coreidx,
|
||||
u16 offset)
|
||||
{
|
||||
switch (bus->bustype) {
|
||||
case SSB_BUSTYPE_SSB:
|
||||
offset += current_coreidx * SSB_CORE_SIZE;
|
||||
break;
|
||||
case SSB_BUSTYPE_PCI:
|
||||
break;
|
||||
case SSB_BUSTYPE_PCMCIA:
|
||||
if (offset >= 0x800) {
|
||||
ssb_pcmcia_switch_segment(bus, 1);
|
||||
offset -= 0x800;
|
||||
} else
|
||||
ssb_pcmcia_switch_segment(bus, 0);
|
||||
break;
|
||||
}
|
||||
return readl(bus->mmio + offset);
|
||||
}
|
||||
|
||||
static int scan_switchcore(struct ssb_bus *bus, u8 coreidx)
|
||||
{
|
||||
switch (bus->bustype) {
|
||||
case SSB_BUSTYPE_SSB:
|
||||
break;
|
||||
case SSB_BUSTYPE_PCI:
|
||||
return ssb_pci_switch_coreidx(bus, coreidx);
|
||||
case SSB_BUSTYPE_PCMCIA:
|
||||
return ssb_pcmcia_switch_coreidx(bus, coreidx);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
void ssb_iounmap(struct ssb_bus *bus)
|
||||
{
|
||||
switch (bus->bustype) {
|
||||
case SSB_BUSTYPE_SSB:
|
||||
case SSB_BUSTYPE_PCMCIA:
|
||||
iounmap(bus->mmio);
|
||||
break;
|
||||
case SSB_BUSTYPE_PCI:
|
||||
pci_iounmap(bus->host_pci, bus->mmio);
|
||||
break;
|
||||
}
|
||||
bus->mmio = NULL;
|
||||
bus->mapped_device = NULL;
|
||||
}
|
||||
|
||||
static void __iomem * ssb_ioremap(struct ssb_bus *bus,
|
||||
unsigned long baseaddr)
|
||||
{
|
||||
void __iomem *mmio = NULL;
|
||||
|
||||
switch (bus->bustype) {
|
||||
case SSB_BUSTYPE_SSB:
|
||||
/* Only map the first core for now. */
|
||||
/* fallthrough... */
|
||||
case SSB_BUSTYPE_PCMCIA:
|
||||
mmio = ioremap(baseaddr, SSB_CORE_SIZE);
|
||||
break;
|
||||
case SSB_BUSTYPE_PCI:
|
||||
mmio = pci_iomap(bus->host_pci, 0, ~0UL);
|
||||
break;
|
||||
}
|
||||
|
||||
return mmio;
|
||||
}
|
||||
|
||||
int ssb_bus_scan(struct ssb_bus *bus,
|
||||
unsigned long baseaddr)
|
||||
{
|
||||
int err = -ENOMEM;
|
||||
void __iomem *mmio;
|
||||
u32 idhi, cc, rev, tmp;
|
||||
int i;
|
||||
struct ssb_device *dev;
|
||||
|
||||
mmio = ssb_ioremap(bus, baseaddr);
|
||||
if (!mmio)
|
||||
goto out;
|
||||
bus->mmio = mmio;
|
||||
|
||||
err = scan_switchcore(bus, 0); /* Switch to first core */
|
||||
if (err)
|
||||
goto err_unmap;
|
||||
|
||||
idhi = scan_read32(bus, 0, SSB_IDHIGH);
|
||||
cc = (idhi & SSB_IDHIGH_CC) >> SSB_IDHIGH_CC_SHIFT;
|
||||
rev = (idhi & SSB_IDHIGH_RCLO);
|
||||
rev |= (idhi & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT;
|
||||
|
||||
bus->nr_devices = 0;
|
||||
if (cc == SSB_DEV_CHIPCOMMON) {
|
||||
tmp = scan_read32(bus, 0, SSB_CHIPCO_CHIPID);
|
||||
|
||||
bus->chip_id = (tmp & SSB_CHIPCO_IDMASK);
|
||||
bus->chip_rev = (tmp & SSB_CHIPCO_REVMASK) >>
|
||||
SSB_CHIPCO_REVSHIFT;
|
||||
bus->chip_package = (tmp & SSB_CHIPCO_PACKMASK) >>
|
||||
SSB_CHIPCO_PACKSHIFT;
|
||||
if (rev >= 4) {
|
||||
bus->nr_devices = (tmp & SSB_CHIPCO_NRCORESMASK) >>
|
||||
SSB_CHIPCO_NRCORESSHIFT;
|
||||
}
|
||||
tmp = scan_read32(bus, 0, SSB_CHIPCO_CAP);
|
||||
bus->chipco.capabilities = tmp;
|
||||
} else {
|
||||
if (bus->bustype == SSB_BUSTYPE_PCI) {
|
||||
bus->chip_id = pcidev_to_chipid(bus->host_pci);
|
||||
pci_read_config_word(bus->host_pci, PCI_REVISION_ID,
|
||||
&bus->chip_rev);
|
||||
bus->chip_package = 0;
|
||||
} else {
|
||||
bus->chip_id = 0x4710;
|
||||
bus->chip_rev = 0;
|
||||
bus->chip_package = 0;
|
||||
}
|
||||
}
|
||||
if (!bus->nr_devices)
|
||||
bus->nr_devices = chipid_to_nrcores(bus->chip_id);
|
||||
if (bus->nr_devices > ARRAY_SIZE(bus->devices)) {
|
||||
ssb_printk(KERN_ERR PFX
|
||||
"More than %d ssb cores found (%d)\n",
|
||||
SSB_MAX_NR_CORES, bus->nr_devices);
|
||||
goto err_unmap;
|
||||
}
|
||||
if (bus->bustype == SSB_BUSTYPE_SSB) {
|
||||
/* Now that we know the number of cores,
|
||||
* remap the whole IO space for all cores.
|
||||
*/
|
||||
err = -ENOMEM;
|
||||
iounmap(mmio);
|
||||
mmio = ioremap(baseaddr, SSB_CORE_SIZE * bus->nr_devices);
|
||||
if (!mmio)
|
||||
goto out;
|
||||
bus->mmio = mmio;
|
||||
}
|
||||
|
||||
/* Fetch basic information about each core/device */
|
||||
for (i = 0; i < bus->nr_devices; i++) {
|
||||
err = scan_switchcore(bus, i);
|
||||
if (err)
|
||||
goto err_unmap;
|
||||
dev = &(bus->devices[i]);
|
||||
|
||||
idhi = scan_read32(bus, i, SSB_IDHIGH);
|
||||
dev->id.coreid = (idhi & SSB_IDHIGH_CC) >> SSB_IDHIGH_CC_SHIFT;
|
||||
dev->id.revision = (idhi & SSB_IDHIGH_RCLO);
|
||||
dev->id.revision |= (idhi & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT;
|
||||
dev->id.vendor = (idhi & SSB_IDHIGH_VC) >> SSB_IDHIGH_VC_SHIFT;
|
||||
dev->core_index = i;
|
||||
dev->bus = bus;
|
||||
if ((dev->bus->bustype == SSB_BUSTYPE_PCI) && (bus->host_pci))
|
||||
dev->irq = bus->host_pci->irq;
|
||||
|
||||
ssb_dprintk(KERN_INFO PFX
|
||||
"Core %d found: %s "
|
||||
"(cc 0x%03X, rev 0x%02X, vendor 0x%04X)\n",
|
||||
i, ssb_core_name(dev->id.coreid),
|
||||
dev->id.coreid, dev->id.revision, dev->id.vendor);
|
||||
|
||||
dev->dev.bus = &ssb_bustype;
|
||||
snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id),
|
||||
"ssb%02x:%02x", bus->busnumber, i);
|
||||
|
||||
switch (dev->id.coreid) {
|
||||
case SSB_DEV_EXTIF:
|
||||
#ifdef CONFIG_BCM947XX
|
||||
if (bus->extif.dev) {
|
||||
ssb_printk(KERN_WARNING PFX
|
||||
"WARNING: Multiple EXTIFs found\n");
|
||||
break;
|
||||
}
|
||||
bus->extif.dev = dev;
|
||||
#endif /* CONFIG_SSB_DRIVER_EXTIF */
|
||||
break;
|
||||
case SSB_DEV_CHIPCOMMON:
|
||||
if (bus->chipco.dev) {
|
||||
ssb_printk(KERN_WARNING PFX
|
||||
"WARNING: Multiple ChipCommon found\n");
|
||||
break;
|
||||
}
|
||||
bus->chipco.dev = dev;
|
||||
break;
|
||||
case SSB_DEV_MIPS:
|
||||
case SSB_DEV_MIPS_3302:
|
||||
#ifdef CONFIG_BCM947XX
|
||||
if (bus->mipscore.dev) {
|
||||
ssb_printk(KERN_WARNING PFX
|
||||
"WARNING: Multiple MIPS cores found\n");
|
||||
break;
|
||||
}
|
||||
bus->mipscore.dev = dev;
|
||||
#endif /* CONFIG_BCM947XX */
|
||||
break;
|
||||
case SSB_DEV_PCI:
|
||||
case SSB_DEV_PCIE:
|
||||
#ifdef CONFIG_SSB_DRIVER_PCICORE
|
||||
if (bus->pcicore.dev) {
|
||||
ssb_printk(KERN_WARNING PFX
|
||||
"WARNING: Multiple PCI(E) cores found\n");
|
||||
break;
|
||||
}
|
||||
bus->pcicore.dev = dev;
|
||||
#endif /* CONFIG_SSB_DRIVER_PCICORE */
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
err = 0;
|
||||
out:
|
||||
return err;
|
||||
err_unmap:
|
||||
ssb_iounmap(bus);
|
||||
goto out;
|
||||
}
|
143
target/linux/brcm47xx-2.6/files/drivers/ssb/ssb_private.h
Normal file
143
target/linux/brcm47xx-2.6/files/drivers/ssb/ssb_private.h
Normal file
|
@ -0,0 +1,143 @@
|
|||
#ifndef LINUX_SSB_PRIVATE_H_
|
||||
#define LINUX_SSB_PRIVATE_H_
|
||||
|
||||
#include <linux/ssb/ssb.h>
|
||||
#include <linux/types.h>
|
||||
#include <asm/io.h>
|
||||
|
||||
|
||||
#define PFX "ssb: "
|
||||
|
||||
#ifdef CONFIG_SSB_SILENT
|
||||
# define ssb_printk(fmt, x...) do { /* nothing */ } while (0)
|
||||
#else
|
||||
# define ssb_printk printk
|
||||
#endif /* CONFIG_SSB_SILENT */
|
||||
|
||||
/* dprintk: Debugging printk; vanishes for non-debug compilation */
|
||||
#ifdef CONFIG_SSB_DEBUG
|
||||
# define ssb_dprintk(fmt, x...) ssb_printk(fmt ,##x)
|
||||
#else
|
||||
# define ssb_dprintk(fmt, x...) do { /* nothing */ } while (0)
|
||||
#endif
|
||||
|
||||
/* printkl: Rate limited printk */
|
||||
#define ssb_printkl(fmt, x...) do { \
|
||||
if (printk_ratelimit()) \
|
||||
ssb_printk(fmt ,##x); \
|
||||
} while (0)
|
||||
|
||||
/* dprintkl: Rate limited debugging printk */
|
||||
#ifdef CONFIG_SSB_DEBUG
|
||||
# define ssb_dprintkl ssb_printkl
|
||||
#else
|
||||
# define ssb_dprintkl(fmt, x...) do { /* nothing */ } while (0)
|
||||
#endif
|
||||
|
||||
#define assert(cond) do { \
|
||||
if (unlikely(!(cond))) { \
|
||||
ssb_dprintk(KERN_ERR PFX "BUG: Assertion failed (%s) " \
|
||||
"at: %s:%d:%s()\n", \
|
||||
#cond, __FILE__, __LINE__, __func__); \
|
||||
} \
|
||||
} while (0)
|
||||
|
||||
|
||||
/* pci.c */
|
||||
#ifdef CONFIG_SSB_PCIHOST
|
||||
extern int ssb_pci_switch_core(struct ssb_bus *bus,
|
||||
struct ssb_device *dev);
|
||||
extern int ssb_pci_switch_coreidx(struct ssb_bus *bus,
|
||||
u8 coreidx);
|
||||
extern int ssb_pci_xtal(struct ssb_bus *bus, u32 what,
|
||||
int turn_on);
|
||||
extern int ssb_pci_sprom_get(struct ssb_bus *bus);
|
||||
extern void ssb_pci_get_boardtype(struct ssb_bus *bus);
|
||||
extern int ssb_pci_init(struct ssb_bus *bus);
|
||||
extern const struct ssb_bus_ops ssb_pci_ops;
|
||||
|
||||
#else /* CONFIG_SSB_PCIHOST */
|
||||
|
||||
static inline int ssb_pci_switch_core(struct ssb_bus *bus,
|
||||
struct ssb_device *dev)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline int ssb_pci_switch_coreidx(struct ssb_bus *bus,
|
||||
u8 coreidx)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline int ssb_pci_xtal(struct ssb_bus *bus, u32 what,
|
||||
int turn_on)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline int ssb_pci_sprom_get(struct ssb_bus *bus)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline void ssb_pci_get_boardtype(struct ssb_bus *bus)
|
||||
{
|
||||
}
|
||||
static inline int ssb_pci_init(struct ssb_bus *bus)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
#endif /* CONFIG_SSB_PCIHOST */
|
||||
|
||||
|
||||
/* pcmcia.c */
|
||||
#ifdef CONFIG_SSB_PCMCIAHOST
|
||||
extern int ssb_pcmcia_switch_core(struct ssb_bus *bus,
|
||||
struct ssb_device *dev);
|
||||
extern int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
|
||||
u8 coreidx);
|
||||
extern int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
|
||||
u8 seg);
|
||||
extern int ssb_pcmcia_init(struct ssb_bus *bus);
|
||||
extern const struct ssb_bus_ops ssb_pcmcia_ops;
|
||||
#else /* CONFIG_SSB_PCMCIAHOST */
|
||||
static inline int ssb_pcmcia_switch_core(struct ssb_bus *bus,
|
||||
struct ssb_device *dev)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
|
||||
u8 coreidx)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
|
||||
u8 seg)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline int ssb_pcmcia_init(struct ssb_bus *bus)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
#endif /* CONFIG_SSB_PCMCIAHOST */
|
||||
|
||||
|
||||
/* scan.c */
|
||||
extern const char * ssb_core_name(u16 coreid);
|
||||
extern int ssb_bus_scan(struct ssb_bus *bus,
|
||||
unsigned long baseaddr);
|
||||
extern void ssb_iounmap(struct ssb_bus *ssb);
|
||||
|
||||
|
||||
/* core.c */
|
||||
extern struct bus_type ssb_bustype;
|
||||
extern u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m);
|
||||
|
||||
|
||||
/* Ceiling division helper. Divides x by y. */
|
||||
static inline
|
||||
unsigned long ceildiv(unsigned long x, unsigned long y)
|
||||
{
|
||||
return ((x + (y - 1)) / y);
|
||||
}
|
||||
|
||||
|
||||
#endif /* LINUX_SSB_PRIVATE_H_ */
|
25
target/linux/brcm47xx-2.6/files/include/asm-generic/gpio.h
Normal file
25
target/linux/brcm47xx-2.6/files/include/asm-generic/gpio.h
Normal file
|
@ -0,0 +1,25 @@
|
|||
#ifndef _ASM_GENERIC_GPIO_H
|
||||
#define _ASM_GENERIC_GPIO_H
|
||||
|
||||
/* platforms that don't directly support access to GPIOs through I2C, SPI,
|
||||
* or other blocking infrastructure can use these wrappers.
|
||||
*/
|
||||
|
||||
static inline int gpio_cansleep(unsigned gpio)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline int gpio_get_value_cansleep(unsigned gpio)
|
||||
{
|
||||
might_sleep();
|
||||
return gpio_get_value(gpio);
|
||||
}
|
||||
|
||||
static inline void gpio_set_value_cansleep(unsigned gpio, int value)
|
||||
{
|
||||
might_sleep();
|
||||
gpio_set_value(gpio, value);
|
||||
}
|
||||
|
||||
#endif /* _ASM_GENERIC_GPIO_H */
|
189
target/linux/brcm47xx-2.6/files/include/asm-mips/cfe.h
Normal file
189
target/linux/brcm47xx-2.6/files/include/asm-mips/cfe.h
Normal file
|
@ -0,0 +1,189 @@
|
|||
/*
|
||||
* Broadcom Common Firmware Environment (CFE) support
|
||||
*
|
||||
* Copyright 2000, 2001, 2002
|
||||
* Broadcom Corporation. All rights reserved.
|
||||
*
|
||||
* Copyright (C) 2006 Michael Buesch
|
||||
*
|
||||
* Original Authors: Mitch Lichtenberg, Chris Demetriou
|
||||
*
|
||||
* This software is furnished under license and may be used and copied only
|
||||
* in accordance with the following terms and conditions. Subject to these
|
||||
* conditions, you may download, copy, install, use, modify and distribute
|
||||
* modified or unmodified copies of this software in source and/or binary
|
||||
* form. No title or ownership is transferred hereby.
|
||||
*
|
||||
* 1) Any source code used, modified or distributed must reproduce and
|
||||
* retain this copyright notice and list of conditions as they appear in
|
||||
* the source file.
|
||||
*
|
||||
* 2) No right is granted to use any trade name, trademark, or logo of
|
||||
* Broadcom Corporation. The "Broadcom Corporation" name may not be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without the prior written permission of Broadcom Corporation.
|
||||
*
|
||||
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
|
||||
* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
|
||||
* FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
|
||||
* LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
||||
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||||
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
||||
* OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifndef LINUX_CFE_API_H_
|
||||
#define LINUX_CFE_API_H_
|
||||
|
||||
#include <linux/types.h>
|
||||
|
||||
|
||||
#define CFE_MI_RESERVED 0 /* memory is reserved, do not use */
|
||||
#define CFE_MI_AVAILABLE 1 /* memory is available */
|
||||
|
||||
#define CFE_FLG_WARMSTART 0x00000001
|
||||
#define CFE_FLG_FULL_ARENA 0x00000001
|
||||
#define CFE_FLG_ENV_PERMANENT 0x00000001
|
||||
|
||||
#define CFE_CPU_CMD_START 1
|
||||
#define CFE_CPU_CMD_STOP 0
|
||||
|
||||
#define CFE_STDHANDLE_CONSOLE 0
|
||||
|
||||
#define CFE_DEV_NETWORK 1
|
||||
#define CFE_DEV_DISK 2
|
||||
#define CFE_DEV_FLASH 3
|
||||
#define CFE_DEV_SERIAL 4
|
||||
#define CFE_DEV_CPU 5
|
||||
#define CFE_DEV_NVRAM 6
|
||||
#define CFE_DEV_CLOCK 7
|
||||
#define CFE_DEV_OTHER 8
|
||||
#define CFE_DEV_MASK 0x0F
|
||||
|
||||
#define CFE_CACHE_FLUSH_D 1
|
||||
#define CFE_CACHE_INVAL_I 2
|
||||
#define CFE_CACHE_INVAL_D 4
|
||||
#define CFE_CACHE_INVAL_L2 8
|
||||
|
||||
#define CFE_FWI_64BIT 0x00000001
|
||||
#define CFE_FWI_32BIT 0x00000002
|
||||
#define CFE_FWI_RELOC 0x00000004
|
||||
#define CFE_FWI_UNCACHED 0x00000008
|
||||
#define CFE_FWI_MULTICPU 0x00000010
|
||||
#define CFE_FWI_FUNCSIM 0x00000020
|
||||
#define CFE_FWI_RTLSIM 0x00000040
|
||||
|
||||
struct cfe_fwinfo {
|
||||
s64 version; /* major, minor, eco version */
|
||||
s64 totalmem; /* total installed mem */
|
||||
s64 flags; /* various flags */
|
||||
s64 boardid; /* board ID */
|
||||
s64 bootarea_va; /* VA of boot area */
|
||||
s64 bootarea_pa; /* PA of boot area */
|
||||
s64 bootarea_size; /* size of boot area */
|
||||
};
|
||||
|
||||
|
||||
/* The public CFE API */
|
||||
|
||||
int cfe_present(void); /* Check if we booted from CFE. Returns bool */
|
||||
|
||||
int cfe_getticks(s64 *ticks);
|
||||
int cfe_close(int handle);
|
||||
int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1);
|
||||
int cfe_cpu_stop(int cpu);
|
||||
int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen);
|
||||
int cfe_enumdev(int idx, char *name, int namelen);
|
||||
int cfe_enummem(int idx, int flags, u64 *start, u64 *length,
|
||||
u64 *type);
|
||||
int cfe_exit(int warm, int status);
|
||||
int cfe_flushcache(int flags);
|
||||
int cfe_getdevinfo(char *name);
|
||||
int cfe_getenv(char *name, char *dest, int destlen);
|
||||
int cfe_getfwinfo(struct cfe_fwinfo *info);
|
||||
int cfe_getstdhandle(int handletype);
|
||||
int cfe_inpstat(int handle);
|
||||
int cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
|
||||
int length, int *retlen, u64 offset);
|
||||
int cfe_open(char *name);
|
||||
int cfe_read(int handle, unsigned char *buffer, int length);
|
||||
int cfe_readblk(int handle, s64 offset, unsigned char *buffer, int length);
|
||||
int cfe_setenv(char *name, char *val);
|
||||
int cfe_write(int handle, unsigned char *buffer, int length);
|
||||
int cfe_writeblk(int handle, s64 offset, unsigned char *buffer,
|
||||
int length);
|
||||
|
||||
|
||||
/* High level API */
|
||||
|
||||
/* Print some information to CFE's console (most likely serial line) */
|
||||
int cfe_printk(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
|
||||
int cfe_vprintk(const char *fmt, va_list args);
|
||||
|
||||
|
||||
|
||||
/* Error codes returned by the low API functions */
|
||||
|
||||
#define CFE_ISERR(errcode) (errcode < 0)
|
||||
|
||||
#define CFE_OK 0
|
||||
#define CFE_ERR -1 /* generic error */
|
||||
#define CFE_ERR_INV_COMMAND -2
|
||||
#define CFE_ERR_EOF -3
|
||||
#define CFE_ERR_IOERR -4
|
||||
#define CFE_ERR_NOMEM -5
|
||||
#define CFE_ERR_DEVNOTFOUND -6
|
||||
#define CFE_ERR_DEVOPEN -7
|
||||
#define CFE_ERR_INV_PARAM -8
|
||||
#define CFE_ERR_ENVNOTFOUND -9
|
||||
#define CFE_ERR_ENVREADONLY -10
|
||||
|
||||
#define CFE_ERR_NOTELF -11
|
||||
#define CFE_ERR_NOT32BIT -12
|
||||
#define CFE_ERR_WRONGENDIAN -13
|
||||
#define CFE_ERR_BADELFVERS -14
|
||||
#define CFE_ERR_NOTMIPS -15
|
||||
#define CFE_ERR_BADELFFMT -16
|
||||
#define CFE_ERR_BADADDR -17
|
||||
|
||||
#define CFE_ERR_FILENOTFOUND -18
|
||||
#define CFE_ERR_UNSUPPORTED -19
|
||||
|
||||
#define CFE_ERR_HOSTUNKNOWN -20
|
||||
|
||||
#define CFE_ERR_TIMEOUT -21
|
||||
|
||||
#define CFE_ERR_PROTOCOLERR -22
|
||||
|
||||
#define CFE_ERR_NETDOWN -23
|
||||
#define CFE_ERR_NONAMESERVER -24
|
||||
|
||||
#define CFE_ERR_NOHANDLES -25
|
||||
#define CFE_ERR_ALREADYBOUND -26
|
||||
|
||||
#define CFE_ERR_CANNOTSET -27
|
||||
#define CFE_ERR_NOMORE -28
|
||||
#define CFE_ERR_BADFILESYS -29
|
||||
#define CFE_ERR_FSNOTAVAIL -30
|
||||
|
||||
#define CFE_ERR_INVBOOTBLOCK -31
|
||||
#define CFE_ERR_WRONGDEVTYPE -32
|
||||
#define CFE_ERR_BBCHECKSUM -33
|
||||
#define CFE_ERR_BOOTPROGCHKSUM -34
|
||||
|
||||
#define CFE_ERR_LDRNOTAVAIL -35
|
||||
|
||||
#define CFE_ERR_NOTREADY -36
|
||||
|
||||
#define CFE_ERR_GETMEM -37
|
||||
#define CFE_ERR_SETMEM -38
|
||||
|
||||
#define CFE_ERR_NOTCONN -39
|
||||
#define CFE_ERR_ADDRINUSE -40
|
||||
|
||||
|
||||
#endif /* LINUX_CFE_API_H_ */
|
|
@ -0,0 +1,88 @@
|
|||
#ifndef __BCM947XX_GPIO_H
|
||||
#define __BCM947XX_GPIO_H
|
||||
|
||||
#include <linux/ssb/ssb.h>
|
||||
#include <linux/ssb/ssb_driver_chipcommon.h>
|
||||
#include <linux/ssb/ssb_driver_extif.h>
|
||||
|
||||
extern struct ssb_bus ssb;
|
||||
|
||||
static inline int gpio_request(unsigned gpio, const char *label)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline void gpio_free(unsigned gpio)
|
||||
{
|
||||
}
|
||||
|
||||
static inline int gpio_direction_input(unsigned gpio)
|
||||
{
|
||||
if (ssb.chipco->dev)
|
||||
ssb_chipco_gpioouten(&ssb.chipco, 1 << gpio, 0);
|
||||
else if (ssb.extif->dev)
|
||||
ssb_extif_gpioouten(&ssb.extif, 1 << gpio, 0);
|
||||
else
|
||||
return -EINVAL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline int gpio_direction_output(unsigned gpio)
|
||||
{
|
||||
if (ssb.chipco->dev)
|
||||
ssb_chipco_gpioouten(&ssb.chipco, 1 << gpio, 1 << gpio);
|
||||
else if (ssb.extif->dev)
|
||||
ssb_extif_gpioouten(&ssb.extif, 1 << gpio, 1 << gpio);
|
||||
else
|
||||
return -EINVAL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static inline int gpio_to_irq(unsigned gpio)
|
||||
{
|
||||
struct ssb_device *dev;
|
||||
|
||||
dev = ssb.chipco->dev;
|
||||
if (!dev)
|
||||
dev = ssb.extif->dev;
|
||||
if (!dev)
|
||||
return -EINVAL;
|
||||
|
||||
return ssb_mips_irq(dev) + 2;
|
||||
}
|
||||
|
||||
static inline int irq_to_gpio(unsigned gpio)
|
||||
{
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
|
||||
static inline int gpio_get_value(unsigned gpio)
|
||||
{
|
||||
if (ssb.chipco->dev)
|
||||
return ssb_chipco_gpioin(&ssb.chipco, 1 << gpio) ? 1 : 0;
|
||||
else if (ssb.extif->dev)
|
||||
return ssb_extif_gpioin(&ssb.extif, 1 << gpio) ? 1 : 0;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline int gpio_set_value(unsigned gpio, int value)
|
||||
{
|
||||
if (ssb.chipco->dev)
|
||||
ssb_chipco_gpioout(&ssb.chipco, 1 << gpio, (value ? 1 << gpio : 0));
|
||||
else if (ssb.extif->dev)
|
||||
ssb_extif_gpioout(&ssb.extif, 1 << gpio, (value ? 1 << gpio : 0));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/* cansleep wrappers */
|
||||
#include <asm-generic/gpio.h>
|
||||
|
||||
|
||||
#endif /* __BCM947XX_GPIO_H */
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 2005 Embedded Alley Solutions, Inc
|
||||
* Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
|
||||
* Copyright (C) 2006 Michael Buesch
|
||||
*/
|
||||
#ifndef __ASM_MACH_GENERIC_KERNEL_ENTRY_H
|
||||
#define __ASM_MACH_GENERIC_KERNEL_ENTRY_H
|
||||
|
||||
/* Intentionally empty macro, used in head.S. Override in
|
||||
* arch/mips/mach-xxx/kernel-entry-init.h when necessary.
|
||||
*/
|
||||
.macro kernel_entry_setup
|
||||
.endm
|
||||
|
||||
/*
|
||||
* Do SMP slave processor setup necessary before we can savely execute C code.
|
||||
*/
|
||||
.macro smp_slave_setup
|
||||
.endm
|
||||
|
||||
|
||||
#endif /* __ASM_MACH_GENERIC_KERNEL_ENTRY_H */
|
375
target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h
Normal file
375
target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h
Normal file
|
@ -0,0 +1,375 @@
|
|||
#ifndef LINUX_SSB_H_
|
||||
#define LINUX_SSB_H_
|
||||
#ifdef __KERNEL__
|
||||
|
||||
#include <linux/device.h>
|
||||
#include <linux/list.h>
|
||||
#include <linux/types.h>
|
||||
#include <linux/spinlock.h>
|
||||
|
||||
#include <linux/ssb/ssb_regs.h>
|
||||
|
||||
|
||||
struct pcmcia_device;
|
||||
struct ssb_bus;
|
||||
struct ssb_driver;
|
||||
|
||||
|
||||
struct ssb_sprom_r1 {
|
||||
u16 pci_spid; /* Subsystem Product ID for PCI */
|
||||
u16 pci_svid; /* Subsystem Vendor ID for PCI */
|
||||
u16 pci_pid; /* Product ID for PCI */
|
||||
u8 il0mac[6]; /* MAC address for 802.11b/g */
|
||||
u8 et0mac[6]; /* MAC address for Ethernet */
|
||||
u8 et1mac[6]; /* MAC address for 802.11a */
|
||||
u8 et0phyaddr:5; /* MII address for enet0 */
|
||||
u8 et1phyaddr:5; /* MII address for enet1 */
|
||||
u8 et0mdcport:1; /* MDIO for enet0 */
|
||||
u8 et1mdcport:1; /* MDIO for enet1 */
|
||||
u8 board_rev; /* Board revision */
|
||||
u8 country_code:4; /* Country Code */
|
||||
u8 antenna_a:2; /* Antenna 0/1 available for A-PHY */
|
||||
u8 antenna_bg:2; /* Antenna 0/1 available for B-PHY and G-PHY */
|
||||
u16 pa0b0;
|
||||
u16 pa0b1;
|
||||
u16 pa0b2;
|
||||
u16 pa1b0;
|
||||
u16 pa1b1;
|
||||
u16 pa1b2;
|
||||
u8 gpio0; /* GPIO pin 0 */
|
||||
u8 gpio1; /* GPIO pin 1 */
|
||||
u8 gpio2; /* GPIO pin 2 */
|
||||
u8 gpio3; /* GPIO pin 3 */
|
||||
u16 maxpwr_a; /* A-PHY Power Amplifier Max Power (in dBm Q5.2) */
|
||||
u16 maxpwr_bg; /* B/G-PHY Power Amplifier Max Power (in dBm Q5.2) */
|
||||
u8 itssi_a; /* Idle TSSI Target for A-PHY */
|
||||
u8 itssi_bg; /* Idle TSSI Target for B/G-PHY */
|
||||
u16 boardflags_lo; /* Boardflags (low 16 bits) */
|
||||
u8 antenna_gain_a; /* A-PHY Antenna gain (in dBm Q5.2) */
|
||||
u8 antenna_gain_bg; /* B/G-PHY Antenna gain (in dBm Q5.2) */
|
||||
u8 oem[8]; /* OEM string (rev 1 only) */
|
||||
};
|
||||
|
||||
struct ssb_sprom_r2 {
|
||||
u16 boardflags_hi; /* Boardflags (high 16 bits) */
|
||||
u8 maxpwr_a_lo; /* A-PHY Max Power Low */
|
||||
u8 maxpwr_a_hi; /* A-PHY Max Power High */
|
||||
u16 pa1lob0; /* A-PHY PA Low Settings */
|
||||
u16 pa1lob1; /* A-PHY PA Low Settings */
|
||||
u16 pa1lob2; /* A-PHY PA Low Settings */
|
||||
u16 pa1hib0; /* A-PHY PA High Settings */
|
||||
u16 pa1hib1; /* A-PHY PA High Settings */
|
||||
u16 pa1hib2; /* A-PHY PA High Settings */
|
||||
u8 ofdm_pwr_off; /* OFDM Power Offset from CCK Level */
|
||||
u8 country_str[2]; /* Two char Country Code */
|
||||
};
|
||||
|
||||
struct ssb_sprom_r3 {
|
||||
u32 ofdmapo; /* A-PHY OFDM Mid Power Offset */
|
||||
u32 ofdmalpo; /* A-PHY OFDM Low Power Offset */
|
||||
u32 ofdmahpo; /* A-PHY OFDM High Power Offset */
|
||||
u8 gpioldc_on_cnt; /* GPIO LED Powersave Duty Cycle ON count */
|
||||
u8 gpioldc_off_cnt; /* GPIO LED Powersave Duty Cycle OFF count */
|
||||
u8 cckpo_1M:4; /* CCK Power Offset for Rate 1M */
|
||||
u8 cckpo_2M:4; /* CCK Power Offset for Rate 2M */
|
||||
u8 cckpo_55M:4; /* CCK Power Offset for Rate 5.5M */
|
||||
u8 cckpo_11M:4; /* CCK Power Offset for Rate 11M */
|
||||
u32 ofdmgpo; /* G-PHY OFDM Power Offset */
|
||||
};
|
||||
|
||||
struct ssb_sprom_r4 {
|
||||
/* TODO */
|
||||
};
|
||||
|
||||
struct ssb_sprom {
|
||||
u8 revision;
|
||||
u8 crc;
|
||||
/* The valid r# fields are selected by the "revision".
|
||||
* Revision 3 and lower inherit from lower revisions.
|
||||
*/
|
||||
union {
|
||||
struct {
|
||||
struct ssb_sprom_r1 r1;
|
||||
struct ssb_sprom_r2 r2;
|
||||
struct ssb_sprom_r3 r3;
|
||||
};
|
||||
struct ssb_sprom_r4 r4;
|
||||
};
|
||||
};
|
||||
|
||||
|
||||
/* Core-ID values. */
|
||||
#define SSB_DEV_CHIPCOMMON 0x800
|
||||
#define SSB_DEV_ILINE20 0x801
|
||||
#define SSB_DEV_SDRAM 0x803
|
||||
#define SSB_DEV_PCI 0x804
|
||||
#define SSB_DEV_MIPS 0x805
|
||||
#define SSB_DEV_ETHERNET 0x806
|
||||
#define SSB_DEV_V90 0x807
|
||||
#define SSB_DEV_USB11_HOSTDEV 0x808
|
||||
#define SSB_DEV_ADSL 0x809
|
||||
#define SSB_DEV_ILINE100 0x80A
|
||||
#define SSB_DEV_IPSEC 0x80B
|
||||
#define SSB_DEV_PCMCIA 0x80D
|
||||
#define SSB_DEV_INTERNAL_MEM 0x80E
|
||||
#define SSB_DEV_MEMC_SDRAM 0x80F
|
||||
#define SSB_DEV_EXTIF 0x811
|
||||
#define SSB_DEV_80211 0x812
|
||||
#define SSB_DEV_MIPS_3302 0x816
|
||||
#define SSB_DEV_USB11_HOST 0x817
|
||||
#define SSB_DEV_USB11_DEV 0x818
|
||||
#define SSB_DEV_USB20_HOST 0x819
|
||||
#define SSB_DEV_USB20_DEV 0x81A
|
||||
#define SSB_DEV_SDIO_HOST 0x81B
|
||||
#define SSB_DEV_ROBOSWITCH 0x81C
|
||||
#define SSB_DEV_PARA_ATA 0x81D
|
||||
#define SSB_DEV_SATA_XORDMA 0x81E
|
||||
#define SSB_DEV_ETHERNET_GBIT 0x81F
|
||||
#define SSB_DEV_PCIE 0x820
|
||||
#define SSB_DEV_MIMO_PHY 0x821
|
||||
#define SSB_DEV_SRAM_CTRLR 0x822
|
||||
#define SSB_DEV_MINI_MACPHY 0x823
|
||||
#define SSB_DEV_ARM_1176 0x824
|
||||
#define SSB_DEV_ARM_7TDMI 0x825
|
||||
|
||||
/* Vendor-ID values */
|
||||
#define SSB_VENDOR_BROADCOM 0x4243
|
||||
|
||||
struct ssb_device_id {
|
||||
u16 vendor;
|
||||
u16 coreid;
|
||||
u8 revision;
|
||||
};
|
||||
#define SSB_DEVICE(_vendor, _coreid, _revision) \
|
||||
{ .vendor = _vendor, .coreid = _coreid, .revision = _revision, }
|
||||
#define SSB_DEVTABLE_END \
|
||||
{ 0, },
|
||||
|
||||
#define SSB_ANY_VENDOR 0xFFFF
|
||||
#define SSB_ANY_ID 0xFFFF
|
||||
#define SSB_ANY_REV 0xFF
|
||||
|
||||
|
||||
struct ssb_device {
|
||||
struct device dev;
|
||||
struct ssb_bus *bus;
|
||||
struct ssb_device_id id;
|
||||
|
||||
u8 core_index;
|
||||
unsigned int irq;
|
||||
void *drvdata; /* Per-device data */
|
||||
void *devtypedata; /* Per-devicetype (eg 802.11) data */
|
||||
};
|
||||
#define dev_to_ssb_dev(_dev) container_of(_dev, struct ssb_device, dev)
|
||||
|
||||
/* Device specific user data */
|
||||
static inline
|
||||
void ssb_set_drvdata(struct ssb_device *dev, void *data)
|
||||
{
|
||||
dev->drvdata = data;
|
||||
}
|
||||
static inline
|
||||
void * ssb_get_drvdata(struct ssb_device *dev)
|
||||
{
|
||||
return dev->drvdata;
|
||||
}
|
||||
|
||||
/* Devicetype specific user data. This is per device-type (not per device) */
|
||||
void ssb_set_devtypedata(struct ssb_device *dev, void *data);
|
||||
static inline
|
||||
void * ssb_get_devtypedata(struct ssb_device *dev)
|
||||
{
|
||||
return dev->devtypedata;
|
||||
}
|
||||
|
||||
struct ssb_bus_ops {
|
||||
u16 (*read16)(struct ssb_device *dev, u16 offset);
|
||||
u32 (*read32)(struct ssb_device *dev, u16 offset);
|
||||
void (*write16)(struct ssb_device *dev, u16 offset, u16 value);
|
||||
void (*write32)(struct ssb_device *dev, u16 offset, u32 value);
|
||||
};
|
||||
|
||||
|
||||
struct ssb_driver {
|
||||
const char *name;
|
||||
const struct ssb_device_id *id_table;
|
||||
|
||||
int (*probe)(struct ssb_device *dev, const struct ssb_device_id *id);
|
||||
void (*remove)(struct ssb_device *dev);
|
||||
int (*suspend)(struct ssb_device *dev, pm_message_t state);
|
||||
int (*resume)(struct ssb_device *dev);
|
||||
void (*shutdown)(struct ssb_device *dev);
|
||||
|
||||
struct device_driver drv;
|
||||
};
|
||||
#define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv)
|
||||
|
||||
extern int __ssb_driver_register(struct ssb_driver *drv, struct module *owner);
|
||||
static inline int ssb_driver_register(struct ssb_driver *drv)
|
||||
{
|
||||
return __ssb_driver_register(drv, THIS_MODULE);
|
||||
}
|
||||
extern void ssb_driver_unregister(struct ssb_driver *drv);
|
||||
|
||||
|
||||
|
||||
|
||||
enum ssb_bustype {
|
||||
SSB_BUSTYPE_SSB, /* This SSB bus is the system bus */
|
||||
SSB_BUSTYPE_PCI, /* SSB is connected to PCI bus */
|
||||
SSB_BUSTYPE_PCMCIA, /* SSB is connected to PCMCIA bus */
|
||||
//TODO SSB_BUSTYPE_JTAG,
|
||||
};
|
||||
|
||||
/* board_vendor */
|
||||
#define SSB_BOARDVENDOR_BCM 0x14E4 /* Broadcom */
|
||||
#define SSB_BOARDVENDOR_DELL 0x1028 /* Dell */
|
||||
#define SSB_BOARDVENDOR_HP 0x0E11 /* HP */
|
||||
/* board_type */
|
||||
#define SSB_BOARD_BCM94306MP 0x0418
|
||||
#define SSB_BOARD_BCM4309G 0x0421
|
||||
#define SSB_BOARD_BCM4306CB 0x0417
|
||||
#define SSB_BOARD_BCM4309MP 0x040C
|
||||
#define SSB_BOARD_MP4318 0x044A
|
||||
#define SSB_BOARD_BU4306 0x0416
|
||||
#define SSB_BOARD_BU4309 0x040A
|
||||
/* chip_package */
|
||||
#define SSB_CHIPPACK_BCM4712S 1 /* Small 200pin 4712 */
|
||||
#define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */
|
||||
#define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */
|
||||
|
||||
static inline u16 ssb_read16(struct ssb_device *dev, u16 offset);
|
||||
static inline u32 ssb_read32(struct ssb_device *dev, u16 offset);
|
||||
static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value);
|
||||
static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value);
|
||||
static inline u32 ssb_write32_masked(struct ssb_device *dev, u16 offset, u32 mask, u32 value);
|
||||
|
||||
#include <linux/ssb/ssb_driver_chipcommon.h>
|
||||
#include <linux/ssb/ssb_driver_mips.h>
|
||||
#include <linux/ssb/ssb_driver_extif.h>
|
||||
#include <linux/ssb/ssb_driver_pci.h>
|
||||
|
||||
struct ssb_bus {
|
||||
/* The MMIO area. */
|
||||
void __iomem *mmio;
|
||||
|
||||
const struct ssb_bus_ops *ops;
|
||||
|
||||
/* The core in the basic address register window. (PCI bus only) */
|
||||
struct ssb_device *mapped_device;
|
||||
/* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */
|
||||
u8 mapped_pcmcia_seg;
|
||||
/* Lock for core and segment switching. */
|
||||
spinlock_t bar_lock;
|
||||
|
||||
/* The bus this backplane is running on. */
|
||||
enum ssb_bustype bustype;
|
||||
/* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */
|
||||
struct pci_dev *host_pci;
|
||||
/* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
|
||||
struct pcmcia_device *host_pcmcia;
|
||||
|
||||
/* ID information about the PCB. */
|
||||
u16 board_vendor;
|
||||
u16 board_type;
|
||||
u16 board_rev;
|
||||
/* ID information about the Chip. */
|
||||
u16 chip_id;
|
||||
u16 chip_rev;
|
||||
u8 chip_package;
|
||||
|
||||
/* Contents of the SPROM.
|
||||
* If there is no sprom (not on PCI-bus), this is emulated. */
|
||||
struct ssb_sprom sprom;
|
||||
|
||||
/* List of devices (cores) on the backplane. */
|
||||
struct ssb_device devices[SSB_MAX_NR_CORES];
|
||||
u8 nr_devices;
|
||||
|
||||
/* Reference count. Number of suspended devices. */
|
||||
u8 suspend_cnt;
|
||||
|
||||
/* Software ID number for this bus. */
|
||||
int busnumber;
|
||||
|
||||
/* The ChipCommon device (if available). */
|
||||
struct ssb_chipcommon chipco;
|
||||
/* The PCI-core device (if available). */
|
||||
struct ssb_pcicore pcicore;
|
||||
/* The MIPS-core device (if available). */
|
||||
struct ssb_mipscore mipscore;
|
||||
/* The EXTif-core device (if available). */
|
||||
struct ssb_extif extif;
|
||||
|
||||
/* Internal. */
|
||||
struct list_head list;
|
||||
};
|
||||
|
||||
extern int ssb_bus_ssbbus_register(struct ssb_bus *bus,
|
||||
unsigned long baseaddr,
|
||||
void (*fill_sprom)(struct ssb_sprom *sprom));
|
||||
#ifdef CONFIG_SSB_PCIHOST
|
||||
extern int ssb_bus_pcibus_register(struct ssb_bus *bus,
|
||||
struct pci_dev *host_pci);
|
||||
#endif /* CONFIG_SSB_PCIHOST */
|
||||
#ifdef CONFIG_SSB_PCMCIAHOST
|
||||
extern int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
|
||||
struct pcmcia_device *pcmcia_dev,
|
||||
unsigned long baseaddr,
|
||||
void (*fill_sprom)(struct ssb_sprom *sprom));
|
||||
#endif /* CONFIG_SSB_PCMCIAHOST */
|
||||
|
||||
extern void ssb_bus_unregister(struct ssb_bus *bus);
|
||||
|
||||
extern u32 ssb_clockspeed(struct ssb_bus *bus);
|
||||
|
||||
int ssb_device_is_enabled(struct ssb_device *dev);
|
||||
void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags);
|
||||
void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags);
|
||||
|
||||
|
||||
static inline u16 ssb_read16(struct ssb_device *dev, u16 offset)
|
||||
{
|
||||
return dev->bus->ops->read16(dev, offset);
|
||||
}
|
||||
static inline u32 ssb_read32(struct ssb_device *dev, u16 offset)
|
||||
{
|
||||
return dev->bus->ops->read32(dev, offset);
|
||||
}
|
||||
static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
|
||||
{
|
||||
dev->bus->ops->write16(dev, offset, value);
|
||||
}
|
||||
static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
|
||||
{
|
||||
dev->bus->ops->write32(dev, offset, value);
|
||||
}
|
||||
|
||||
static inline u32 ssb_write32_masked(struct ssb_device *dev,
|
||||
u16 offset,
|
||||
u32 mask,
|
||||
u32 value)
|
||||
{
|
||||
value &= mask;
|
||||
value |= ssb_read32(dev, offset) & ~mask;
|
||||
ssb_write32(dev, offset, value);
|
||||
return value;
|
||||
}
|
||||
|
||||
|
||||
/* Translation (routing) bits that need to be ORed to DMA
|
||||
* addresses before they are given to a device. */
|
||||
extern u32 ssb_dma_translation(struct ssb_device *dev);
|
||||
#define SSB_DMA_TRANSLATION_MASK 0xC0000000
|
||||
#define SSB_DMA_TRANSLATION_SHIFT 30
|
||||
|
||||
extern int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask);
|
||||
|
||||
|
||||
/* Various helper functions */
|
||||
extern u32 ssb_admatch_base(u32 adm);
|
||||
extern u32 ssb_admatch_size(u32 adm);
|
||||
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
#endif /* LINUX_SSB_H_ */
|
|
@ -0,0 +1,427 @@
|
|||
#ifndef LINUX_SSB_CHIPCO_H_
|
||||
#define LINUX_SSB_CHIPCO_H_
|
||||
|
||||
/* SonicsSiliconBackplane CHIPCOMMON core hardware definitions
|
||||
*
|
||||
* The chipcommon core provides chip identification, SB control,
|
||||
* jtag, 0/1/2 uarts, clock frequency control, a watchdog interrupt timer,
|
||||
* gpio interface, extbus, and support for serial and parallel flashes.
|
||||
*
|
||||
* Copyright 2005, Broadcom Corporation
|
||||
* Copyright 2006, Michael Buesch <mb@bu3sch.de>
|
||||
*
|
||||
* Licensed under the GPL version 2. See COPYING for details.
|
||||
*/
|
||||
#ifdef __KERNEL__
|
||||
|
||||
/** ChipCommon core registers. **/
|
||||
|
||||
#define SSB_CHIPCO_CHIPID 0x0000
|
||||
#define SSB_CHIPCO_IDMASK 0x0000FFFF
|
||||
#define SSB_CHIPCO_REVMASK 0x000F0000
|
||||
#define SSB_CHIPCO_REVSHIFT 16
|
||||
#define SSB_CHIPCO_PACKMASK 0x00F00000
|
||||
#define SSB_CHIPCO_PACKSHIFT 20
|
||||
#define SSB_CHIPCO_NRCORESMASK 0x0F000000
|
||||
#define SSB_CHIPCO_NRCORESSHIFT 24
|
||||
#define SSB_CHIPCO_CAP 0x0004 /* Capabilities */
|
||||
#define SSB_CHIPCO_CAP_NRUART 0x00000003 /* # of UARTs */
|
||||
#define SSB_CHIPCO_CAP_MIPSEB 0x00000004 /* MIPS in BigEndian Mode */
|
||||
#define SSB_CHIPCO_CAP_UARTCLK 0x00000018 /* UART clock select */
|
||||
#define SSB_CHIPCO_CAP_UARTCLK_INT 0x00000008 /* UARTs are driven by internal divided clock */
|
||||
#define SSB_CHIPCO_CAP_UARTGPIO 0x00000020 /* UARTs on GPIO 15-12 */
|
||||
#define SSB_CHIPCO_CAP_EXTBUS 0x000000C0 /* External buses present */
|
||||
#define SSB_CHIPCO_CAP_FLASHT 0x00000700 /* Flash Type */
|
||||
#define SSB_CHIPCO_FLASHT_NONE 0x00000000 /* No flash */
|
||||
#define SSB_CHIPCO_FLASHT_STSER 0x00000100 /* ST serial flash */
|
||||
#define SSB_CHIPCO_FLASHT_ATSER 0x00000200 /* Atmel serial flash */
|
||||
#define SSB_CHIPCO_FLASHT_PARA 0x00000700 /* Parallel flash */
|
||||
#define SSB_CHIPCO_CAP_PLLT 0x00038000 /* PLL Type */
|
||||
#define SSB_PLLTYPE_NONE 0x00000000
|
||||
#define SSB_PLLTYPE_1 0x00010000 /* 48Mhz base, 3 dividers */
|
||||
#define SSB_PLLTYPE_2 0x00020000 /* 48Mhz, 4 dividers */
|
||||
#define SSB_PLLTYPE_3 0x00030000 /* 25Mhz, 2 dividers */
|
||||
#define SSB_PLLTYPE_4 0x00008000 /* 48Mhz, 4 dividers */
|
||||
#define SSB_PLLTYPE_5 0x00018000 /* 25Mhz, 4 dividers */
|
||||
#define SSB_PLLTYPE_6 0x00028000 /* 100/200 or 120/240 only */
|
||||
#define SSB_PLLTYPE_7 0x00038000 /* 25Mhz, 4 dividers */
|
||||
#define SSB_CHIPCO_CAP_PCTL 0x00040000 /* Power Control */
|
||||
#define SSB_CHIPCO_CAP_OTPS 0x00380000 /* OTP size */
|
||||
#define SSB_CHIPCO_CAP_OTPS_SHIFT 19
|
||||
#define SSB_CHIPCO_CAP_OTPS_BASE 5
|
||||
#define SSB_CHIPCO_CAP_JTAGM 0x00400000 /* JTAG master present */
|
||||
#define SSB_CHIPCO_CAP_BROM 0x00800000 /* Internal boot ROM active */
|
||||
#define SSB_CHIPCO_CAP_64BIT 0x08000000 /* 64-bit Backplane */
|
||||
#define SSB_CHIPCO_CORECTL 0x0008
|
||||
#define SSB_CHIPCO_CORECTL_UARTCLK0 0x00000001 /* Drive UART with internal clock */
|
||||
#define SSB_CHIPCO_CORECTL_SE 0x00000002 /* sync clk out enable (corerev >= 3) */
|
||||
#define SSB_CHIPCO_BIST 0x000C
|
||||
#define SSB_CHIPCO_OTPS 0x0010 /* OTP status */
|
||||
#define SSB_CHIPCO_OTPS_PROGFAIL 0x80000000
|
||||
#define SSB_CHIPCO_OTPS_PROTECT 0x00000007
|
||||
#define SSB_CHIPCO_OTPS_HW_PROTECT 0x00000001
|
||||
#define SSB_CHIPCO_OTPS_SW_PROTECT 0x00000002
|
||||
#define SSB_CHIPCO_OTPS_CID_PROTECT 0x00000004
|
||||
#define SSB_CHIPCO_OTPC 0x0014 /* OTP control */
|
||||
#define SSB_CHIPCO_OTPC_RECWAIT 0xFF000000
|
||||
#define SSB_CHIPCO_OTPC_PROGWAIT 0x00FFFF00
|
||||
#define SSB_CHIPCO_OTPC_PRW_SHIFT 8
|
||||
#define SSB_CHIPCO_OTPC_MAXFAIL 0x00000038
|
||||
#define SSB_CHIPCO_OTPC_VSEL 0x00000006
|
||||
#define SSB_CHIPCO_OTPC_SELVL 0x00000001
|
||||
#define SSB_CHIPCO_OTPP 0x0018 /* OTP prog */
|
||||
#define SSB_CHIPCO_OTPP_COL 0x000000FF
|
||||
#define SSB_CHIPCO_OTPP_ROW 0x0000FF00
|
||||
#define SSB_CHIPCO_OTPP_ROW_SHIFT 8
|
||||
#define SSB_CHIPCO_OTPP_READERR 0x10000000
|
||||
#define SSB_CHIPCO_OTPP_VALUE 0x20000000
|
||||
#define SSB_CHIPCO_OTPP_READ 0x40000000
|
||||
#define SSB_CHIPCO_OTPP_START 0x80000000
|
||||
#define SSB_CHIPCO_OTPP_BUSY 0x80000000
|
||||
#define SSB_CHIPCO_IRQSTAT 0x0020
|
||||
#define SSB_CHIPCO_IRQMASK 0x0024
|
||||
#define SSB_CHIPCO_IRQ_GPIO 0x00000001 /* gpio intr */
|
||||
#define SSB_CHIPCO_IRQ_EXT 0x00000002 /* ro: ext intr pin (corerev >= 3) */
|
||||
#define SSB_CHIPCO_IRQ_WDRESET 0x80000000 /* watchdog reset occurred */
|
||||
#define SSB_CHIPCO_CHIPCTL 0x0028 /* Rev >= 11 only */
|
||||
#define SSB_CHIPCO_CHIPSTAT 0x002C /* Rev >= 11 only */
|
||||
#define SSB_CHIPCO_JCMD 0x0030 /* Rev >= 10 only */
|
||||
#define SSB_CHIPCO_JCMD_START 0x80000000
|
||||
#define SSB_CHIPCO_JCMD_BUSY 0x80000000
|
||||
#define SSB_CHIPCO_JCMD_PAUSE 0x40000000
|
||||
#define SSB_CHIPCO_JCMD0_ACC_MASK 0x0000F000
|
||||
#define SSB_CHIPCO_JCMD0_ACC_IRDR 0x00000000
|
||||
#define SSB_CHIPCO_JCMD0_ACC_DR 0x00001000
|
||||
#define SSB_CHIPCO_JCMD0_ACC_IR 0x00002000
|
||||
#define SSB_CHIPCO_JCMD0_ACC_RESET 0x00003000
|
||||
#define SSB_CHIPCO_JCMD0_ACC_IRPDR 0x00004000
|
||||
#define SSB_CHIPCO_JCMD0_ACC_PDR 0x00005000
|
||||
#define SSB_CHIPCO_JCMD0_IRW_MASK 0x00000F00
|
||||
#define SSB_CHIPCO_JCMD_ACC_MASK 0x000F0000 /* Changes for corerev 11 */
|
||||
#define SSB_CHIPCO_JCMD_ACC_IRDR 0x00000000
|
||||
#define SSB_CHIPCO_JCMD_ACC_DR 0x00010000
|
||||
#define SSB_CHIPCO_JCMD_ACC_IR 0x00020000
|
||||
#define SSB_CHIPCO_JCMD_ACC_RESET 0x00030000
|
||||
#define SSB_CHIPCO_JCMD_ACC_IRPDR 0x00040000
|
||||
#define SSB_CHIPCO_JCMD_ACC_PDR 0x00050000
|
||||
#define SSB_CHIPCO_JCMD_IRW_MASK 0x00001F00
|
||||
#define SSB_CHIPCO_JCMD_IRW_SHIFT 8
|
||||
#define SSB_CHIPCO_JCMD_DRW_MASK 0x0000003F
|
||||
#define SSB_CHIPCO_JIR 0x0034 /* Rev >= 10 only */
|
||||
#define SSB_CHIPCO_JDR 0x0038 /* Rev >= 10 only */
|
||||
#define SSB_CHIPCO_JCTL 0x003C /* Rev >= 10 only */
|
||||
#define SSB_CHIPCO_JCTL_FORCE_CLK 4 /* Force clock */
|
||||
#define SSB_CHIPCO_JCTL_EXT_EN 2 /* Enable external targets */
|
||||
#define SSB_CHIPCO_JCTL_EN 1 /* Enable Jtag master */
|
||||
#define SSB_CHIPCO_FLASHCTL 0x0040
|
||||
#define SSB_CHIPCO_FLASHCTL_START 0x80000000
|
||||
#define SSB_CHIPCO_FLASHCTL_BUSY SSB_CHIPCO_FLASHCTL_START
|
||||
#define SSB_CHIPCO_FLASHADDR 0x0044
|
||||
#define SSB_CHIPCO_FLASHDATA 0x0048
|
||||
#define SSB_CHIPCO_BCAST_ADDR 0x0050
|
||||
#define SSB_CHIPCO_BCAST_DATA 0x0054
|
||||
#define SSB_CHIPCO_GPIOIN 0x0060
|
||||
#define SSB_CHIPCO_GPIOOUT 0x0064
|
||||
#define SSB_CHIPCO_GPIOOUTEN 0x0068
|
||||
#define SSB_CHIPCO_GPIOCTL 0x006C
|
||||
#define SSB_CHIPCO_GPIOINTPOL 0x0070
|
||||
#define SSB_CHIPCO_GPIOINTMASK 0x0074
|
||||
#define SSB_CHIPCO_WATCHDOG 0x0080
|
||||
#define SSB_CHIPCO_GPIOTIMER 0x0088 /* LED powersave (corerev >= 16) */
|
||||
#define SSB_CHIPCO_GPIOTIMER_ONTIME_SHIFT 16
|
||||
#define SSB_CHIPCO_GPIOTOUTM 0x008C /* LED powersave (corerev >= 16) */
|
||||
#define SSB_CHIPCO_CLOCK_N 0x0090
|
||||
#define SSB_CHIPCO_CLOCK_SB 0x0094
|
||||
#define SSB_CHIPCO_CLOCK_PCI 0x0098
|
||||
#define SSB_CHIPCO_CLOCK_M2 0x009C
|
||||
#define SSB_CHIPCO_CLOCK_MIPS 0x00A0
|
||||
#define SSB_CHIPCO_CLKDIV 0x00A4 /* Rev >= 3 only */
|
||||
#define SSB_CHIPCO_CLKDIV_SFLASH 0x0F000000
|
||||
#define SSB_CHIPCO_CLKDIV_SFLASH_SHIFT 24
|
||||
#define SSB_CHIPCO_CLKDIV_OTP 0x000F0000
|
||||
#define SSB_CHIPCO_CLKDIV_OTP_SHIFT 16
|
||||
#define SSB_CHIPCO_CLKDIV_JTAG 0x00000F00
|
||||
#define SSB_CHIPCO_CLKDIV_JTAG_SHIFT 8
|
||||
#define SSB_CHIPCO_CLKDIV_UART 0x000000FF
|
||||
#define SSB_CHIPCO_PLLONDELAY 0x00B0 /* Rev >= 4 only */
|
||||
#define SSB_CHIPCO_FREFSELDELAY 0x00B4 /* Rev >= 4 only */
|
||||
#define SSB_CHIPCO_SLOWCLKCTL 0x00B8 /* 6 <= Rev <= 9 only */
|
||||
#define SSB_CHIPCO_SLOWCLKCTL_SRC 0x00000007 /* slow clock source mask */
|
||||
#define SSB_CHIPCO_SLOWCLKCTL_SRC_LPO 0x00000000 /* source of slow clock is LPO */
|
||||
#define SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL 0x00000001 /* source of slow clock is crystal */
|
||||
#define SSB_CHIPCO_SLOECLKCTL_SRC_PCI 0x00000002 /* source of slow clock is PCI */
|
||||
#define SSB_CHIPCO_SLOWCLKCTL_LPOFREQ 0x00000200 /* LPOFreqSel, 1: 160Khz, 0: 32KHz */
|
||||
#define SSB_CHIPCO_SLOWCLKCTL_LPOPD 0x00000400 /* LPOPowerDown, 1: LPO is disabled, 0: LPO is enabled */
|
||||
#define SSB_CHIPCO_SLOWCLKCTL_FSLOW 0x00000800 /* ForceSlowClk, 1: sb/cores running on slow clock, 0: power logic control */
|
||||
#define SSB_CHIPCO_SLOWCLKCTL_IPLL 0x00001000 /* IgnorePllOffReq, 1/0: power logic ignores/honors PLL clock disable requests from core */
|
||||
#define SSB_CHIPCO_SLOWCLKCTL_ENXTAL 0x00002000 /* XtalControlEn, 1/0: power logic does/doesn't disable crystal when appropriate */
|
||||
#define SSB_CHIPCO_SLOWCLKCTL_XTALPU 0x00004000 /* XtalPU (RO), 1/0: crystal running/disabled */
|
||||
#define SSB_CHIPCO_SLOWCLKCTL_CLKDIV 0xFFFF0000 /* ClockDivider (SlowClk = 1/(4+divisor)) */
|
||||
#define SSB_CHIPCO_SLOWCLKCTL_CLKDIV_SHIFT 16
|
||||
#define SSB_CHIPCO_SYSCLKCTL 0x00C0 /* Rev >= 3 only */
|
||||
#define SSB_CHIPCO_SYSCLKCTL_IDLPEN 0x00000001 /* ILPen: Enable Idle Low Power */
|
||||
#define SSB_CHIPCO_SYSCLKCTL_ALPEN 0x00000002 /* ALPen: Enable Active Low Power */
|
||||
#define SSB_CHIPCO_SYSCLKCTL_PLLEN 0x00000004 /* ForcePLLOn */
|
||||
#define SSB_CHIPCO_SYSCLKCTL_FORCEALP 0x00000008 /* Force ALP (or HT if ALPen is not set */
|
||||
#define SSB_CHIPCO_SYSCLKCTL_FORCEHT 0x00000010 /* Force HT */
|
||||
#define SSB_CHIPCO_SYSCLKCTL_CLKDIV 0xFFFF0000 /* ClkDiv (ILP = 1/(4+divisor)) */
|
||||
#define SSB_CHIPCO_SYSCLKCTL_CLKDIV_SHIFT 16
|
||||
#define SSB_CHIPCO_CLKSTSTR 0x00C4 /* Rev >= 3 only */
|
||||
#define SSB_CHIPCO_PCMCIA_CFG 0x0100
|
||||
#define SSB_CHIPCO_PCMCIA_MEMWAIT 0x0104
|
||||
#define SSB_CHIPCO_PCMCIA_ATTRWAIT 0x0108
|
||||
#define SSB_CHIPCO_PCMCIA_IOWAIT 0x010C
|
||||
#define SSB_CHIPCO_IDE_CFG 0x0110
|
||||
#define SSB_CHIPCO_IDE_MEMWAIT 0x0114
|
||||
#define SSB_CHIPCO_IDE_ATTRWAIT 0x0118
|
||||
#define SSB_CHIPCO_IDE_IOWAIT 0x011C
|
||||
#define SSB_CHIPCO_PROG_CFG 0x0120
|
||||
#define SSB_CHIPCO_PROG_WAITCNT 0x0124
|
||||
#define SSB_CHIPCO_FLASH_CFG 0x0128
|
||||
#define SSB_CHIPCO_FLASH_WAITCNT 0x012C
|
||||
#define SSB_CHIPCO_UART0_DATA 0x0300
|
||||
#define SSB_CHIPCO_UART0_IMR 0x0304
|
||||
#define SSB_CHIPCO_UART0_FCR 0x0308
|
||||
#define SSB_CHIPCO_UART0_LCR 0x030C
|
||||
#define SSB_CHIPCO_UART0_MCR 0x0310
|
||||
#define SSB_CHIPCO_UART0_LSR 0x0314
|
||||
#define SSB_CHIPCO_UART0_MSR 0x0318
|
||||
#define SSB_CHIPCO_UART0_SCRATCH 0x031C
|
||||
#define SSB_CHIPCO_UART1_DATA 0x0400
|
||||
#define SSB_CHIPCO_UART1_IMR 0x0404
|
||||
#define SSB_CHIPCO_UART1_FCR 0x0408
|
||||
#define SSB_CHIPCO_UART1_LCR 0x040C
|
||||
#define SSB_CHIPCO_UART1_MCR 0x0410
|
||||
#define SSB_CHIPCO_UART1_LSR 0x0414
|
||||
#define SSB_CHIPCO_UART1_MSR 0x0418
|
||||
#define SSB_CHIPCO_UART1_SCRATCH 0x041C
|
||||
|
||||
|
||||
|
||||
/** Clockcontrol masks and values **/
|
||||
|
||||
/* SSB_CHIPCO_CLOCK_N */
|
||||
#define SSB_CHIPCO_CLK_N1 0x0000003F /* n1 control */
|
||||
#define SSB_CHIPCO_CLK_N2 0x00003F00 /* n2 control */
|
||||
#define SSB_CHIPCO_CLK_N2_SHIFT 8
|
||||
#define SSB_CHIPCO_CLK_PLLC 0x000F0000 /* pll control */
|
||||
#define SSB_CHIPCO_CLK_PLLC_SHIFT 16
|
||||
|
||||
/* SSB_CHIPCO_CLOCK_SB/PCI/UART */
|
||||
#define SSB_CHIPCO_CLK_M1 0x0000003F /* m1 control */
|
||||
#define SSB_CHIPCO_CLK_M2 0x00003F00 /* m2 control */
|
||||
#define SSB_CHIPCO_CLK_M2_SHIFT 8
|
||||
#define SSB_CHIPCO_CLK_M3 0x003F0000 /* m3 control */
|
||||
#define SSB_CHIPCO_CLK_M3_SHIFT 16
|
||||
#define SSB_CHIPCO_CLK_MC 0x1F000000 /* mux control */
|
||||
#define SSB_CHIPCO_CLK_MC_SHIFT 24
|
||||
|
||||
/* N3M Clock control magic field values */
|
||||
#define SSB_CHIPCO_CLK_F6_2 0x02 /* A factor of 2 in */
|
||||
#define SSB_CHIPCO_CLK_F6_3 0x03 /* 6-bit fields like */
|
||||
#define SSB_CHIPCO_CLK_F6_4 0x05 /* N1, M1 or M3 */
|
||||
#define SSB_CHIPCO_CLK_F6_5 0x09
|
||||
#define SSB_CHIPCO_CLK_F6_6 0x11
|
||||
#define SSB_CHIPCO_CLK_F6_7 0x21
|
||||
|
||||
#define SSB_CHIPCO_CLK_F5_BIAS 5 /* 5-bit fields get this added */
|
||||
|
||||
#define SSB_CHIPCO_CLK_MC_BYPASS 0x08
|
||||
#define SSB_CHIPCO_CLK_MC_M1 0x04
|
||||
#define SSB_CHIPCO_CLK_MC_M1M2 0x02
|
||||
#define SSB_CHIPCO_CLK_MC_M1M2M3 0x01
|
||||
#define SSB_CHIPCO_CLK_MC_M1M3 0x11
|
||||
|
||||
/* Type 2 Clock control magic field values */
|
||||
#define SSB_CHIPCO_CLK_T2_BIAS 2 /* n1, n2, m1 & m3 bias */
|
||||
#define SSB_CHIPCO_CLK_T2M2_BIAS 3 /* m2 bias */
|
||||
|
||||
#define SSB_CHIPCO_CLK_T2MC_M1BYP 1
|
||||
#define SSB_CHIPCO_CLK_T2MC_M2BYP 2
|
||||
#define SSB_CHIPCO_CLK_T2MC_M3BYP 4
|
||||
|
||||
/* Type 6 Clock control magic field values */
|
||||
#define SSB_CHIPCO_CLK_T6_MMASK 1 /* bits of interest in m */
|
||||
#define SSB_CHIPCO_CLK_T6_M0 120000000 /* sb clock for m = 0 */
|
||||
#define SSB_CHIPCO_CLK_T6_M1 100000000 /* sb clock for m = 1 */
|
||||
#define SSB_CHIPCO_CLK_SB2MIPS_T6(sb) (2 * (sb))
|
||||
|
||||
/* Common clock base */
|
||||
#define SSB_CHIPCO_CLK_BASE1 24000000 /* Half the clock freq */
|
||||
#define SSB_CHIPCO_CLK_BASE2 12500000 /* Alternate crystal on some PLL's */
|
||||
|
||||
/* Clock control values for 200Mhz in 5350 */
|
||||
#define SSB_CHIPCO_CLK_5350_N 0x0311
|
||||
#define SSB_CHIPCO_CLK_5350_M 0x04020009
|
||||
|
||||
|
||||
/** Bits in the config registers **/
|
||||
|
||||
#define SSB_CHIPCO_CFG_EN 0x0001 /* Enable */
|
||||
#define SSB_CHIPCO_CFG_EXTM 0x000E /* Extif Mode */
|
||||
#define SSB_CHIPCO_CFG_EXTM_ASYNC 0x0002 /* Async/Parallel flash */
|
||||
#define SSB_CHIPCO_CFG_EXTM_SYNC 0x0004 /* Synchronous */
|
||||
#define SSB_CHIPCO_CFG_EXTM_PCMCIA 0x0008 /* PCMCIA */
|
||||
#define SSB_CHIPCO_CFG_EXTM_IDE 0x000A /* IDE */
|
||||
#define SSB_CHIPCO_CFG_DS16 0x0010 /* Data size, 0=8bit, 1=16bit */
|
||||
#define SSB_CHIPCO_CFG_CLKDIV 0x0060 /* Sync: Clock divisor */
|
||||
#define SSB_CHIPCO_CFG_CLKEN 0x0080 /* Sync: Clock enable */
|
||||
#define SSB_CHIPCO_CFG_BSTRO 0x0100 /* Sync: Size/Bytestrobe */
|
||||
|
||||
|
||||
/** Flash-specific control/status values */
|
||||
|
||||
/* flashcontrol opcodes for ST flashes */
|
||||
#define SSB_CHIPCO_FLASHCTL_ST_WREN 0x0006 /* Write Enable */
|
||||
#define SSB_CHIPCO_FLASHCTL_ST_WRDIS 0x0004 /* Write Disable */
|
||||
#define SSB_CHIPCO_FLASHCTL_ST_RDSR 0x0105 /* Read Status Register */
|
||||
#define SSB_CHIPCO_FLASHCTL_ST_WRSR 0x0101 /* Write Status Register */
|
||||
#define SSB_CHIPCO_FLASHCTL_ST_READ 0x0303 /* Read Data Bytes */
|
||||
#define SSB_CHIPCO_FLASHCTL_ST_PP 0x0302 /* Page Program */
|
||||
#define SSB_CHIPCO_FLASHCTL_ST_SE 0x02D8 /* Sector Erase */
|
||||
#define SSB_CHIPCO_FLASHCTL_ST_BE 0x00C7 /* Bulk Erase */
|
||||
#define SSB_CHIPCO_FLASHCTL_ST_DP 0x00B9 /* Deep Power-down */
|
||||
#define SSB_CHIPCO_FLASHCTL_ST_RSIG 0x03AB /* Read Electronic Signature */
|
||||
|
||||
/* Status register bits for ST flashes */
|
||||
#define SSB_CHIPCO_FLASHSTA_ST_WIP 0x01 /* Write In Progress */
|
||||
#define SSB_CHIPCO_FLASHSTA_ST_WEL 0x02 /* Write Enable Latch */
|
||||
#define SSB_CHIPCO_FLASHSTA_ST_BP 0x1C /* Block Protect */
|
||||
#define SSB_CHIPCO_FLASHSTA_ST_BP_SHIFT 2
|
||||
#define SSB_CHIPCO_FLASHSTA_ST_SRWD 0x80 /* Status Register Write Disable */
|
||||
|
||||
/* flashcontrol opcodes for Atmel flashes */
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_READ 0x07E8
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_PAGE_READ 0x07D2
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF1_READ /* FIXME */
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF2_READ /* FIXME */
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_STATUS 0x01D7
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF1_WRITE 0x0384
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF2_WRITE 0x0387
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF1_ERASE_PRGM 0x0283 /* Erase program */
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF2_ERASE_PRGM 0x0286 /* Erase program */
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF1_PROGRAM 0x0288
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF2_PROGRAM 0x0289
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_PAGE_ERASE 0x0281
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BLOCK_ERASE 0x0250
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF1_WRER_PRGM 0x0382 /* Write erase program */
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF2_WRER_PRGM 0x0385 /* Write erase program */
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF1_LOAD 0x0253
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF2_LOAD 0x0255
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF1_COMPARE 0x0260
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF2_COMPARE 0x0261
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF1_REPROGRAM 0x0258
|
||||
#define SSB_CHIPCO_FLASHCTL_AT_BUF2_REPROGRAM 0x0259
|
||||
|
||||
/* Status register bits for Atmel flashes */
|
||||
#define SSB_CHIPCO_FLASHSTA_AT_READY 0x80
|
||||
#define SSB_CHIPCO_FLASHSTA_AT_MISMATCH 0x40
|
||||
#define SSB_CHIPCO_FLASHSTA_AT_ID 0x38
|
||||
#define SSB_CHIPCO_FLASHSTA_AT_ID_SHIFT 3
|
||||
|
||||
|
||||
/** OTP **/
|
||||
|
||||
/* OTP regions */
|
||||
#define SSB_CHIPCO_OTP_HW_REGION SSB_CHIPCO_OTPS_HW_PROTECT
|
||||
#define SSB_CHIPCO_OTP_SW_REGION SSB_CHIPCO_OTPS_SW_PROTECT
|
||||
#define SSB_CHIPCO_OTP_CID_REGION SSB_CHIPCO_OTPS_CID_PROTECT
|
||||
|
||||
/* OTP regions (Byte offsets from otp size) */
|
||||
#define SSB_CHIPCO_OTP_SWLIM_OFF (-8)
|
||||
#define SSB_CHIPCO_OTP_CIDBASE_OFF 0
|
||||
#define SSB_CHIPCO_OTP_CIDLIM_OFF 8
|
||||
|
||||
/* Predefined OTP words (Word offset from otp size) */
|
||||
#define SSB_CHIPCO_OTP_BOUNDARY_OFF (-4)
|
||||
#define SSB_CHIPCO_OTP_HWSIGN_OFF (-3)
|
||||
#define SSB_CHIPCO_OTP_SWSIGN_OFF (-2)
|
||||
#define SSB_CHIPCO_OTP_CIDSIGN_OFF (-1)
|
||||
|
||||
#define SSB_CHIPCO_OTP_CID_OFF 0
|
||||
#define SSB_CHIPCO_OTP_PKG_OFF 1
|
||||
#define SSB_CHIPCO_OTP_FID_OFF 2
|
||||
#define SSB_CHIPCO_OTP_RSV_OFF 3
|
||||
#define SSB_CHIPCO_OTP_LIM_OFF 4
|
||||
|
||||
#define SSB_CHIPCO_OTP_SIGNATURE 0x578A
|
||||
#define SSB_CHIPCO_OTP_MAGIC 0x4E56
|
||||
|
||||
|
||||
struct ssb_device;
|
||||
struct ssb_serial_port;
|
||||
|
||||
struct ssb_chipcommon {
|
||||
struct ssb_device *dev;
|
||||
u32 capabilities;
|
||||
/* Fast Powerup Delay constant */
|
||||
u16 fast_pwrup_delay;
|
||||
};
|
||||
|
||||
extern void ssb_chipcommon_init(struct ssb_chipcommon *cc);
|
||||
|
||||
#include <linux/pm.h>
|
||||
extern void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state);
|
||||
extern void ssb_chipco_resume(struct ssb_chipcommon *cc);
|
||||
|
||||
extern void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
|
||||
u32 *plltype, u32 *n, u32 *m);
|
||||
extern void ssb_chipco_timing_init(struct ssb_chipcommon *cc,
|
||||
unsigned long ns_per_cycle);
|
||||
|
||||
enum ssb_clkmode {
|
||||
SSB_CLKMODE_SLOW,
|
||||
SSB_CLKMODE_FAST,
|
||||
SSB_CLKMODE_DYNAMIC,
|
||||
};
|
||||
|
||||
extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
|
||||
enum ssb_clkmode mode);
|
||||
|
||||
|
||||
/* GPIO functions */
|
||||
static inline u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc,
|
||||
u32 mask)
|
||||
{
|
||||
return ssb_read32(cc->dev, SSB_CHIPCO_GPIOIN) & mask;
|
||||
}
|
||||
|
||||
static inline u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc,
|
||||
u32 mask, u32 value)
|
||||
{
|
||||
return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUT, mask, value);
|
||||
}
|
||||
|
||||
static inline u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc,
|
||||
u32 mask, u32 value)
|
||||
{
|
||||
return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUTEN, mask, value);
|
||||
}
|
||||
|
||||
static inline u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc,
|
||||
u32 mask, u32 value)
|
||||
{
|
||||
return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOCTL, mask, value);
|
||||
}
|
||||
|
||||
static inline u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc,
|
||||
u32 mask, u32 value)
|
||||
{
|
||||
return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOINTMASK, mask, value);
|
||||
}
|
||||
|
||||
static inline u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc,
|
||||
u32 mask, u32 value)
|
||||
{
|
||||
return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOINTPOL, mask, value);
|
||||
}
|
||||
/* TODO: GPIO reservation */
|
||||
|
||||
|
||||
#ifdef CONFIG_SSB_SERIAL
|
||||
extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
|
||||
struct ssb_serial_port *ports);
|
||||
#endif /* CONFIG_SSB_SERIAL */
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
#endif /* LINUX_SSB_CHIPCO_H_ */
|
|
@ -0,0 +1,195 @@
|
|||
/*
|
||||
* Hardware-specific External Interface I/O core definitions
|
||||
* for the BCM47xx family of SiliconBackplane-based chips.
|
||||
*
|
||||
* The External Interface core supports a total of three external chip selects
|
||||
* supporting external interfaces. One of the external chip selects is
|
||||
* used for Flash, one is used for PCMCIA, and the other may be
|
||||
* programmed to support either a synchronous interface or an
|
||||
* asynchronous interface. The asynchronous interface can be used to
|
||||
* support external devices such as UARTs and the BCM2019 Bluetooth
|
||||
* baseband processor.
|
||||
* The external interface core also contains 2 on-chip 16550 UARTs, clock
|
||||
* frequency control, a watchdog interrupt timer, and a GPIO interface.
|
||||
*
|
||||
* Copyright 2005, Broadcom Corporation
|
||||
* Copyright 2006, Michael Buesch
|
||||
*
|
||||
* Licensed under the GPL version 2. See COPYING for details.
|
||||
*/
|
||||
#ifndef LINUX_SSB_EXTIFCORE_H_
|
||||
#define LINUX_SSB_EXTIFCORE_H_
|
||||
|
||||
#ifdef __KERNEL__
|
||||
|
||||
struct ssb_extif {
|
||||
struct ssb_device *dev;
|
||||
};
|
||||
|
||||
/* external interface address space */
|
||||
#define SSB_EXTIF_PCMCIA_MEMBASE(x) (x)
|
||||
#define SSB_EXTIF_PCMCIA_IOBASE(x) ((x) + 0x100000)
|
||||
#define SSB_EXTIF_PCMCIA_CFGBASE(x) ((x) + 0x200000)
|
||||
#define SSB_EXTIF_CFGIF_BASE(x) ((x) + 0x800000)
|
||||
#define SSB_EXTIF_FLASH_BASE(x) ((x) + 0xc00000)
|
||||
|
||||
#define SSB_EXTIF_NR_GPIOOUT 5
|
||||
/* GPIO NOTE:
|
||||
* The multiple instances of output and output enable registers
|
||||
* are present to allow driver software for multiple cores to control
|
||||
* gpio outputs without needing to share a single register pair.
|
||||
* Use the following helper macro to get a register offset value.
|
||||
*/
|
||||
#define SSB_EXTIF_GPIO_OUT(index) ({ \
|
||||
BUILD_BUG_ON(index >= SSB_EXTIF_NR_GPIOOUT); \
|
||||
SSB_EXTIF_GPIO_OUT_BASE + ((index) * 8); \
|
||||
})
|
||||
#define SSB_EXTIF_GPIO_OUTEN(index) ({ \
|
||||
BUILD_BUG_ON(index >= SSB_EXTIF_NR_GPIOOUT); \
|
||||
SSB_EXTIF_GPIO_OUTEN_BASE + ((index) * 8); \
|
||||
})
|
||||
|
||||
/** EXTIF core registers **/
|
||||
|
||||
#define SSB_EXTIF_CTL 0x0000
|
||||
#define SSB_EXTIF_CTL_UARTEN (1 << 0) /* UART enable */
|
||||
#define SSB_EXTIF_EXTSTAT 0x0004
|
||||
#define SSB_EXTIF_EXTSTAT_EMODE (1 << 0) /* Endian mode (ro) */
|
||||
#define SSB_EXTIF_EXTSTAT_EIRQPIN (1 << 1) /* External interrupt pin (ro) */
|
||||
#define SSB_EXTIF_EXTSTAT_GPIOIRQPIN (1 << 2) /* GPIO interrupt pin (ro) */
|
||||
#define SSB_EXTIF_PCMCIA_CFG 0x0010
|
||||
#define SSB_EXTIF_PCMCIA_MEMWAIT 0x0014
|
||||
#define SSB_EXTIF_PCMCIA_ATTRWAIT 0x0018
|
||||
#define SSB_EXTIF_PCMCIA_IOWAIT 0x001C
|
||||
#define SSB_EXTIF_PROG_CFG 0x0020
|
||||
#define SSB_EXTIF_PROG_WAITCNT 0x0024
|
||||
#define SSB_EXTIF_FLASH_CFG 0x0028
|
||||
#define SSB_EXTIF_FLASH_WAITCNT 0x002C
|
||||
#define SSB_EXTIF_WATCHDOG 0x0040
|
||||
#define SSB_EXTIF_CLOCK_N 0x0044
|
||||
#define SSB_EXTIF_CLOCK_SB 0x0048
|
||||
#define SSB_EXTIF_CLOCK_PCI 0x004C
|
||||
#define SSB_EXTIF_CLOCK_MII 0x0050
|
||||
#define SSB_EXTIF_GPIO_IN 0x0060
|
||||
#define SSB_EXTIF_GPIO_OUT_BASE 0x0064
|
||||
#define SSB_EXTIF_GPIO_OUTEN_BASE 0x0068
|
||||
#define SSB_EXTIF_EJTAG_OUTEN 0x0090
|
||||
#define SSB_EXTIF_GPIO_INTPOL 0x0094
|
||||
#define SSB_EXTIF_GPIO_INTMASK 0x0098
|
||||
#define SSB_EXTIF_UART_DATA 0x0300
|
||||
#define SSB_EXTIF_UART_TIMER 0x0310
|
||||
#define SSB_EXTIF_UART_FCR 0x0320
|
||||
#define SSB_EXTIF_UART_LCR 0x0330
|
||||
#define SSB_EXTIF_UART_MCR 0x0340
|
||||
#define SSB_EXTIF_UART_LSR 0x0350
|
||||
#define SSB_EXTIF_UART_MSR 0x0360
|
||||
#define SSB_EXTIF_UART_SCRATCH 0x0370
|
||||
|
||||
|
||||
|
||||
|
||||
/* pcmcia/prog/flash_config */
|
||||
#define SSB_EXTCFG_EN (1 << 0) /* enable */
|
||||
#define SSB_EXTCFG_MODE 0xE /* mode */
|
||||
#define SSB_EXTCFG_MODE_SHIFT 1
|
||||
#define SSB_EXTCFG_MODE_FLASH 0x0 /* flash/asynchronous mode */
|
||||
#define SSB_EXTCFG_MODE_SYNC 0x2 /* synchronous mode */
|
||||
#define SSB_EXTCFG_MODE_PCMCIA 0x4 /* pcmcia mode */
|
||||
#define SSB_EXTCFG_DS16 (1 << 4) /* destsize: 0=8bit, 1=16bit */
|
||||
#define SSB_EXTCFG_BSWAP (1 << 5) /* byteswap */
|
||||
#define SSB_EXTCFG_CLKDIV 0xC0 /* clock divider */
|
||||
#define SSB_EXTCFG_CLKDIV_SHIFT 6
|
||||
#define SSB_EXTCFG_CLKDIV_2 0x0 /* backplane/2 */
|
||||
#define SSB_EXTCFG_CLKDIV_3 0x40 /* backplane/3 */
|
||||
#define SSB_EXTCFG_CLKDIV_4 0x80 /* backplane/4 */
|
||||
#define SSB_EXTCFG_CLKEN (1 << 8) /* clock enable */
|
||||
#define SSB_EXTCFG_STROBE (1 << 9) /* size/bytestrobe (synch only) */
|
||||
|
||||
/* pcmcia_memwait */
|
||||
#define SSB_PCMCIA_MEMW_0 0x0000003F /* waitcount0 */
|
||||
#define SSB_PCMCIA_MEMW_1 0x00001F00 /* waitcount1 */
|
||||
#define SSB_PCMCIA_MEMW_1_SHIFT 8
|
||||
#define SSB_PCMCIA_MEMW_2 0x001F0000 /* waitcount2 */
|
||||
#define SSB_PCMCIA_MEMW_2_SHIFT 16
|
||||
#define SSB_PCMCIA_MEMW_3 0x1F000000 /* waitcount3 */
|
||||
#define SSB_PCMCIA_MEMW_3_SHIFT 24
|
||||
|
||||
/* pcmcia_attrwait */
|
||||
#define SSB_PCMCIA_ATTW_0 0x0000003F /* waitcount0 */
|
||||
#define SSB_PCMCIA_ATTW_1 0x00001F00 /* waitcount1 */
|
||||
#define SSB_PCMCIA_ATTW_1_SHIFT 8
|
||||
#define SSB_PCMCIA_ATTW_2 0x001F0000 /* waitcount2 */
|
||||
#define SSB_PCMCIA_ATTW_2_SHIFT 16
|
||||
#define SSB_PCMCIA_ATTW_3 0x1F000000 /* waitcount3 */
|
||||
#define SSB_PCMCIA_ATTW_3_SHIFT 24
|
||||
|
||||
/* pcmcia_iowait */
|
||||
#define SSB_PCMCIA_IOW_0 0x0000003F /* waitcount0 */
|
||||
#define SSB_PCMCIA_IOW_1 0x00001F00 /* waitcount1 */
|
||||
#define SSB_PCMCIA_IOW_1_SHIFT 8
|
||||
#define SSB_PCMCIA_IOW_2 0x001F0000 /* waitcount2 */
|
||||
#define SSB_PCMCIA_IOW_2_SHIFT 16
|
||||
#define SSB_PCMCIA_IOW_3 0x1F000000 /* waitcount3 */
|
||||
#define SSB_PCMCIA_IOW_3_SHIFT 24
|
||||
|
||||
/* prog_waitcount */
|
||||
#define SSB_PROG_WCNT_0 0x0000001F /* waitcount0 */
|
||||
#define SSB_PROG_WCNT_1 0x00001F00 /* waitcount1 */
|
||||
#define SSB_PROG_WCNT_1_SHIFT 8
|
||||
#define SSB_PROG_WCNT_2 0x001F0000 /* waitcount2 */
|
||||
#define SSB_PROG_WCNT_2_SHIFT 16
|
||||
#define SSB_PROG_WCNT_3 0x1F000000 /* waitcount3 */
|
||||
#define SSB_PROG_WCNT_3_SHIFT 24
|
||||
|
||||
#define SSB_PROG_W0 0x0000000C
|
||||
#define SSB_PROG_W1 0x00000A00
|
||||
#define SSB_PROG_W2 0x00020000
|
||||
#define SSB_PROG_W3 0x01000000
|
||||
|
||||
/* flash_waitcount */
|
||||
#define SSB_FLASH_WCNT_0 0x0000001F /* waitcount0 */
|
||||
#define SSB_FLASH_WCNT_1 0x00001F00 /* waitcount1 */
|
||||
#define SSB_FLASH_WCNT_1_SHIFT 8
|
||||
#define SSB_FLASH_WCNT_2 0x001F0000 /* waitcount2 */
|
||||
#define SSB_FLASH_WCNT_2_SHIFT 16
|
||||
#define SSB_FLASH_WCNT_3 0x1F000000 /* waitcount3 */
|
||||
#define SSB_FLASH_WCNT_3_SHIFT 24
|
||||
|
||||
/* watchdog */
|
||||
#define SSB_EXTIF_WATCHDOG_CLK 48000000 /* Hz */
|
||||
|
||||
|
||||
/* GPIO functions */
|
||||
static inline u32 ssb_extif_gpio_in(struct ssb_extif *extif,
|
||||
u32 mask)
|
||||
{
|
||||
return ssb_read32(extif->dev, SSB_EXTIF_GPIO_IN) & mask;
|
||||
}
|
||||
|
||||
static inline u32 ssb_extif_gpio_out(struct ssb_extif *extif,
|
||||
u32 mask, u32 value)
|
||||
{
|
||||
return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUT(0), mask, value);
|
||||
}
|
||||
|
||||
static inline u32 ssb_extif_gpio_outen(struct ssb_extif *extif,
|
||||
u32 mask, u32 value)
|
||||
{
|
||||
return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUTEN(0), mask, value);
|
||||
}
|
||||
|
||||
static inline u32 ssb_extif_gpio_polarity(struct ssb_extif *extif,
|
||||
u32 mask, u32 value)
|
||||
{
|
||||
return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTPOL, mask, value);
|
||||
}
|
||||
|
||||
static inline u32 ssb_extif_gpio_intmask(struct ssb_extif *extif,
|
||||
u32 mask, u32 value)
|
||||
{
|
||||
return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTMASK, mask, value);
|
||||
}
|
||||
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
#endif /* LINUX_SSB_EXTIFCORE_H_ */
|
|
@ -0,0 +1,47 @@
|
|||
#ifndef LINUX_SSB_MIPSCORE_H_
|
||||
#define LINUX_SSB_MIPSCORE_H_
|
||||
|
||||
#ifdef __KERNEL__
|
||||
|
||||
#ifdef CONFIG_BCM947XX
|
||||
|
||||
struct ssb_device;
|
||||
|
||||
struct ssb_serial_port {
|
||||
void *regs;
|
||||
unsigned long clockspeed;
|
||||
unsigned int irq;
|
||||
unsigned int baud_base;
|
||||
unsigned int reg_shift;
|
||||
};
|
||||
|
||||
|
||||
struct ssb_mipscore {
|
||||
struct ssb_device *dev;
|
||||
|
||||
int nr_serial_ports;
|
||||
struct ssb_serial_port serial_ports[4];
|
||||
|
||||
u32 flash_window;
|
||||
u32 flash_window_size;
|
||||
};
|
||||
|
||||
extern void ssb_mipscore_init(struct ssb_mipscore *mcore);
|
||||
extern u32 ssb_cpu_clock(struct ssb_mipscore *mcore);
|
||||
extern unsigned int ssb_mips_irq(struct ssb_device *dev);
|
||||
|
||||
|
||||
#else /* CONFIG_BCM947XX */
|
||||
|
||||
struct ssb_mipscore {
|
||||
};
|
||||
|
||||
static inline
|
||||
void ssb_mipscore_init(struct ssb_mipscore *mcore)
|
||||
{
|
||||
}
|
||||
|
||||
#endif /* CONFIG_BCM947XX */
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
#endif /* LINUX_SSB_MIPSCORE_H_ */
|
|
@ -0,0 +1,108 @@
|
|||
#ifndef LINUX_SSB_PCICORE_H_
|
||||
#define LINUX_SSB_PCICORE_H_
|
||||
#ifdef __KERNEL__
|
||||
|
||||
#ifdef CONFIG_SSB_DRIVER_PCICORE
|
||||
|
||||
/* PCI core registers. */
|
||||
#define SSB_PCICORE_CTL 0x0000 /* PCI Control */
|
||||
#define SSB_PCICORE_CTL_RST_OE 0x00000001 /* PCI_RESET Output Enable */
|
||||
#define SSB_PCICORE_CTL_RST 0x00000002 /* PCI_RESET driven out to pin */
|
||||
#define SSB_PCICORE_CTL_CLK_OE 0x00000004 /* Clock gate Output Enable */
|
||||
#define SSB_PCICORE_CTL_CLK 0x00000008 /* Gate for clock driven out to pin */
|
||||
#define SSB_PCICORE_ARBCTL 0x0010 /* PCI Arbiter Control */
|
||||
#define SSB_PCICORE_ARBCTL_INTERN 0x00000001 /* Use internal arbiter */
|
||||
#define SSB_PCICORE_ARBCTL_EXTERN 0x00000002 /* Use external arbiter */
|
||||
#define SSB_PCICORE_ARBCTL_PARKID 0x00000006 /* Mask, selects which agent is parked on an idle bus */
|
||||
#define SSB_PCICORE_ARBCTL_PARKID_LAST 0x00000000 /* Last requestor */
|
||||
#define SSB_PCICORE_ARBCTL_PARKID_4710 0x00000002 /* 4710 */
|
||||
#define SSB_PCICORE_ARBCTL_PARKID_EXT0 0x00000004 /* External requestor 0 */
|
||||
#define SSB_PCICORE_ARBCTL_PARKID_EXT1 0x00000006 /* External requestor 1 */
|
||||
#define SSB_PCICORE_ISTAT 0x0020 /* Interrupt status */
|
||||
#define SSB_PCICORE_ISTAT_INTA 0x00000001 /* PCI INTA# */
|
||||
#define SSB_PCICORE_ISTAT_INTB 0x00000002 /* PCI INTB# */
|
||||
#define SSB_PCICORE_ISTAT_SERR 0x00000004 /* PCI SERR# (write to clear) */
|
||||
#define SSB_PCICORE_ISTAT_PERR 0x00000008 /* PCI PERR# (write to clear) */
|
||||
#define SSB_PCICORE_ISTAT_PME 0x00000010 /* PCI PME# */
|
||||
#define SSB_PCICORE_IMASK 0x0024 /* Interrupt mask */
|
||||
#define SSB_PCICORE_IMASK_INTA 0x00000001 /* PCI INTA# */
|
||||
#define SSB_PCICORE_IMASK_INTB 0x00000002 /* PCI INTB# */
|
||||
#define SSB_PCICORE_IMASK_SERR 0x00000004 /* PCI SERR# */
|
||||
#define SSB_PCICORE_IMASK_PERR 0x00000008 /* PCI PERR# */
|
||||
#define SSB_PCICORE_IMASK_PME 0x00000010 /* PCI PME# */
|
||||
#define SSB_PCICORE_MBOX 0x0028 /* Backplane to PCI Mailbox */
|
||||
#define SSB_PCICORE_MBOX_F0_0 0x00000100 /* PCI function 0, INT 0 */
|
||||
#define SSB_PCICORE_MBOX_F0_1 0x00000200 /* PCI function 0, INT 1 */
|
||||
#define SSB_PCICORE_MBOX_F1_0 0x00000400 /* PCI function 1, INT 0 */
|
||||
#define SSB_PCICORE_MBOX_F1_1 0x00000800 /* PCI function 1, INT 1 */
|
||||
#define SSB_PCICORE_MBOX_F2_0 0x00001000 /* PCI function 2, INT 0 */
|
||||
#define SSB_PCICORE_MBOX_F2_1 0x00002000 /* PCI function 2, INT 1 */
|
||||
#define SSB_PCICORE_MBOX_F3_0 0x00004000 /* PCI function 3, INT 0 */
|
||||
#define SSB_PCICORE_MBOX_F3_1 0x00008000 /* PCI function 3, INT 1 */
|
||||
#define SSB_PCICORE_BCAST_ADDR 0x0050 /* Backplane Broadcast Address */
|
||||
#define SSB_PCICORE_BCAST_ADDR_MASK 0x000000FF
|
||||
#define SSB_PCICORE_BCAST_DATA 0x0054 /* Backplane Broadcast Data */
|
||||
#define SSB_PCICORE_GPIO_IN 0x0060 /* rev >= 2 only */
|
||||
#define SSB_PCICORE_GPIO_OUT 0x0064 /* rev >= 2 only */
|
||||
#define SSB_PCICORE_GPIO_ENABLE 0x0068 /* rev >= 2 only */
|
||||
#define SSB_PCICORE_GPIO_CTL 0x006C /* rev >= 2 only */
|
||||
#define SSB_PCICORE_SBTOPCI0 0x0100 /* Backplane to PCI translation 0 (sbtopci0) */
|
||||
#define SSB_PCICORE_SBTOPCI0_MASK 0xFC000000
|
||||
#define SSB_PCICORE_SBTOPCI1 0x0104 /* Backplane to PCI translation 1 (sbtopci1) */
|
||||
#define SSB_PCICORE_SBTOPCI1_MASK 0xFC000000
|
||||
#define SSB_PCICORE_SBTOPCI2 0x0108 /* Backplane to PCI translation 2 (sbtopci2) */
|
||||
#define SSB_PCICORE_SBTOPCI2_MASK 0xC0000000
|
||||
|
||||
/* SBtoPCIx */
|
||||
#define SSB_PCICORE_SBTOPCI_MEM 0x00000000
|
||||
#define SSB_PCICORE_SBTOPCI_IO 0x00000001
|
||||
#define SSB_PCICORE_SBTOPCI_CFG0 0x00000002
|
||||
#define SSB_PCICORE_SBTOPCI_CFG1 0x00000003
|
||||
#define SSB_PCICORE_SBTOPCI_PREF 0x00000004 /* Prefetch enable */
|
||||
#define SSB_PCICORE_SBTOPCI_BURST 0x00000008 /* Burst enable */
|
||||
#define SSB_PCICORE_SBTOPCI_MRM 0x00000020 /* Memory Read Multiple */
|
||||
#define SSB_PCICORE_SBTOPCI_RC 0x00000030 /* Read Command mask (rev >= 11) */
|
||||
#define SSB_PCICORE_SBTOPCI_RC_READ 0x00000000 /* Memory read */
|
||||
#define SSB_PCICORE_SBTOPCI_RC_READL 0x00000010 /* Memory read line */
|
||||
#define SSB_PCICORE_SBTOPCI_RC_READM 0x00000020 /* Memory read multiple */
|
||||
|
||||
|
||||
/* PCIcore specific boardflags */
|
||||
#define SSB_PCICORE_BFL_NOPCI 0x00000400 /* Board leaves PCI floating */
|
||||
|
||||
|
||||
struct ssb_pcicore {
|
||||
struct ssb_device *dev;
|
||||
u8 setup_done:1;
|
||||
u8 hostmode:1;
|
||||
u8 cardbusmode:1;
|
||||
};
|
||||
|
||||
extern void ssb_pcicore_init(struct ssb_pcicore *pc);
|
||||
|
||||
/* Enable IRQ routing for a specific device */
|
||||
extern int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
|
||||
struct ssb_device *dev);
|
||||
|
||||
|
||||
#else /* CONFIG_SSB_DRIVER_PCICORE */
|
||||
|
||||
|
||||
struct ssb_pcicore {
|
||||
};
|
||||
|
||||
static inline
|
||||
void ssb_pcicore_init(struct ssb_pcicore *pc)
|
||||
{
|
||||
}
|
||||
|
||||
static inline
|
||||
int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
|
||||
struct ssb_device *dev)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif /* CONFIG_SSB_DRIVER_PCICORE */
|
||||
#endif /* __KERNEL__ */
|
||||
#endif /* LINUX_SSB_PCICORE_H_ */
|
293
target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h
Normal file
293
target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h
Normal file
|
@ -0,0 +1,293 @@
|
|||
#ifndef LINUX_SSB_REGS_H_
|
||||
#define LINUX_SSB_REGS_H_
|
||||
#ifdef __KERNEL__
|
||||
|
||||
|
||||
/* SiliconBackplane Address Map.
|
||||
* All regions may not exist on all chips.
|
||||
*/
|
||||
#define SSB_SDRAM_BASE 0x00000000 /* Physical SDRAM */
|
||||
#define SSB_PCI_MEM 0x08000000 /* Host Mode sb2pcitranslation0 (64 MB) */
|
||||
#define SSB_PCI_CFG 0x0c000000 /* Host Mode sb2pcitranslation1 (64 MB) */
|
||||
#define SSB_SDRAM_SWAPPED 0x10000000 /* Byteswapped Physical SDRAM */
|
||||
#define SSB_ENUM_BASE 0x18000000 /* Enumeration space base */
|
||||
#define SSB_ENUM_LIMIT 0x18010000 /* Enumeration space limit */
|
||||
|
||||
#define SSB_FLASH2 0x1c000000 /* Flash Region 2 (region 1 shadowed here) */
|
||||
#define SSB_FLASH2_SZ 0x02000000 /* Size of Flash Region 2 */
|
||||
|
||||
#define SSB_EXTIF_BASE 0x1f000000 /* External Interface region base address */
|
||||
#define SSB_FLASH1 0x1fc00000 /* Flash Region 1 */
|
||||
#define SSB_FLASH1_SZ 0x00400000 /* Size of Flash Region 1 */
|
||||
|
||||
#define SSB_PCI_DMA 0x40000000 /* Client Mode sb2pcitranslation2 (1 GB) */
|
||||
#define SSB_PCI_DMA_SZ 0x40000000 /* Client Mode sb2pcitranslation2 size in bytes */
|
||||
#define SSB_PCIE_DMA_L32 0x00000000 /* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), low 32 bits */
|
||||
#define SSB_PCIE_DMA_H32 0x80000000 /* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), high 32 bits */
|
||||
#define SSB_EUART (SB_EXTIF_BASE + 0x00800000)
|
||||
#define SSB_LED (SB_EXTIF_BASE + 0x00900000)
|
||||
|
||||
|
||||
/* Enumeration space constants */
|
||||
#define SSB_CORE_SIZE 0x1000 /* Size of a core MMIO area */
|
||||
#define SSB_MAX_NR_CORES ((SSB_ENUM_LIMIT - SSB_ENUM_BASE) / SSB_CORE_SIZE)
|
||||
|
||||
|
||||
/* mips address */
|
||||
#define SSB_EJTAG 0xff200000 /* MIPS EJTAG space (2M) */
|
||||
|
||||
|
||||
/* SSB PCI config space registers. */
|
||||
#define SSB_PMCSR 0x44
|
||||
#define SSB_PE 0x100
|
||||
#define SSB_BAR0_WIN 0x80 /* Backplane address space 0 */
|
||||
#define SSB_BAR1_WIN 0x84 /* Backplane address space 1 */
|
||||
#define SSB_SPROMCTL 0x88 /* SPROM control */
|
||||
#define SSB_SPROMCTL_WE 0x10 /* SPROM write enable */
|
||||
#define SSB_BAR1_CONTROL 0x8c /* Address space 1 burst control */
|
||||
#define SSB_PCI_IRQS 0x90 /* PCI interrupts */
|
||||
#define SSB_PCI_IRQMASK 0x94 /* PCI IRQ control and mask (pcirev >= 6 only) */
|
||||
#define SSB_BACKPLANE_IRQS 0x98 /* Backplane Interrupts */
|
||||
#define SSB_GPIO_IN 0xB0 /* GPIO Input (pcirev >= 3 only) */
|
||||
#define SSB_GPIO_OUT 0xB4 /* GPIO Output (pcirev >= 3 only) */
|
||||
#define SSB_GPIO_OUT_ENABLE 0xB8 /* GPIO Output Enable/Disable (pcirev >= 3 only) */
|
||||
#define SSB_GPIO_SCS 0x10 /* PCI config space bit 4 for 4306c0 slow clock source */
|
||||
#define SSB_GPIO_HWRAD 0x20 /* PCI config space GPIO 13 for hw radio disable */
|
||||
#define SSB_GPIO_XTAL 0x40 /* PCI config space GPIO 14 for Xtal powerup */
|
||||
#define SSB_GPIO_PLL 0x80 /* PCI config space GPIO 15 for PLL powerdown */
|
||||
|
||||
|
||||
#define SSB_BAR0_MAX_RETRIES 50
|
||||
|
||||
/* Silicon backplane configuration register definitions */
|
||||
#define SSB_IPSFLAG 0x0F08
|
||||
#define SSB_IPSFLAG_IRQ1 0x0000003F /* which sbflags get routed to mips interrupt 1 */
|
||||
#define SSB_IPSFLAG_IRQ1_SHIFT 0
|
||||
#define SSB_IPSFLAG_IRQ2 0x00003F00 /* which sbflags get routed to mips interrupt 2 */
|
||||
#define SSB_IPSFLAG_IRQ2_SHIFT 8
|
||||
#define SSB_IPSFLAG_IRQ3 0x003F0000 /* which sbflags get routed to mips interrupt 3 */
|
||||
#define SSB_IPSFLAG_IRQ3_SHIFT 16
|
||||
#define SSB_IPSFLAG_IRQ4 0x3F000000 /* which sbflags get routed to mips interrupt 4 */
|
||||
#define SSB_IPSFLAG_IRQ4_SHIFT 24
|
||||
#define SSB_TPSFLAG 0x0F18
|
||||
#define SSB_TPSFLAG_BPFLAG 0x0000003F /* Backplane flag # */
|
||||
#define SSB_TPSFLAG_ALWAYSIRQ 0x00000040 /* IRQ is always sent on the Backplane */
|
||||
#define SSB_TMERRLOGA 0x0F48
|
||||
#define SSB_TMERRLOG 0x0F50
|
||||
#define SSB_ADMATCH3 0x0F60
|
||||
#define SSB_ADMATCH2 0x0F68
|
||||
#define SSB_ADMATCH1 0x0F70
|
||||
#define SSB_IMSTATE 0x0F90 /* SB Initiator Agent State */
|
||||
#define SSB_IMSTATE_PC 0x0000000f /* Pipe Count */
|
||||
#define SSB_IMSTATE_AP_MASK 0x00000030 /* Arbitration Priority */
|
||||
#define SSB_IMSTATE_AP_BOTH 0x00000000 /* Use both timeslices and token */
|
||||
#define SSB_IMSTATE_AP_TS 0x00000010 /* Use timeslices only */
|
||||
#define SSB_IMSTATE_AP_TK 0x00000020 /* Use token only */
|
||||
#define SSB_IMSTATE_AP_RSV 0x00000030 /* Reserved */
|
||||
#define SSB_IMSTATE_IBE 0x00020000 /* In Band Error */
|
||||
#define SSB_IMSTATE_TO 0x00040000 /* Timeout */
|
||||
#define SSB_INTVEC 0x0F94 /* SB Interrupt Mask */
|
||||
#define SSB_INTVEC_PCI 0x00000001 /* Enable interrupts for PCI */
|
||||
#define SSB_INTVEC_ENET0 0x00000002 /* Enable interrupts for enet 0 */
|
||||
#define SSB_INTVEC_ILINE20 0x00000004 /* Enable interrupts for iline20 */
|
||||
#define SSB_INTVEC_CODEC 0x00000008 /* Enable interrupts for v90 codec */
|
||||
#define SSB_INTVEC_USB 0x00000010 /* Enable interrupts for usb */
|
||||
#define SSB_INTVEC_EXTIF 0x00000020 /* Enable interrupts for external i/f */
|
||||
#define SSB_INTVEC_ENET1 0x00000040 /* Enable interrupts for enet 1 */
|
||||
#define SSB_TMSLOW 0x0F98 /* SB Target State Low */
|
||||
#define SSB_TMSLOW_RESET 0x00000001 /* Reset */
|
||||
#define SSB_TMSLOW_REJECT 0x00000002 /* Reject */
|
||||
#define SSB_TMSLOW_CLOCK 0x00010000 /* Clock Enable */
|
||||
#define SSB_TMSLOW_FGC 0x00020000 /* Force Gated Clocks On */
|
||||
#define SSB_TMSLOW_PE 0x40000000 /* Power Management Enable */
|
||||
#define SSB_TMSLOW_BE 0x80000000 /* BIST Enable */
|
||||
#define SSB_TMSHIGH 0x0F9C /* SB Target State High */
|
||||
#define SSB_TMSHIGH_SERR 0x00000001 /* S-error */
|
||||
#define SSB_TMSHIGH_INT 0x00000002 /* Interrupt */
|
||||
#define SSB_TMSHIGH_BUSY 0x00000004 /* Busy */
|
||||
#define SSB_TMSHIGH_TO 0x00000020 /* Timeout. Backplane rev >= 2.3 only */
|
||||
#define SSB_TMSHIGH_COREFL 0x1FFF0000 /* Core specific flags */
|
||||
#define SSB_TMSHIGH_COREFL_SHIFT 16
|
||||
#define SSB_TMSHIGH_DMA64 0x10000000 /* 64bit DMA supported */
|
||||
#define SSB_TMSHIGH_GCR 0x20000000 /* Gated Clock Request */
|
||||
#define SSB_TMSHIGH_BISTF 0x40000000 /* BIST Failed */
|
||||
#define SSB_TMSHIGH_BISTD 0x80000000 /* BIST Done */
|
||||
#define SSB_BWA0 0x0FA0
|
||||
#define SSB_IMCFGLO 0x0FA8
|
||||
#define SSB_IMCFGLO_SERTO 0x00000007 /* Service timeout */
|
||||
#define SSB_IMCFGLO_REQTO 0x00000070 /* Request timeout */
|
||||
#define SSB_IMCFGLO_REQTO_SHIFT 4
|
||||
#define SSB_IMCFGLO_CONNID 0x00FF0000 /* Connection ID */
|
||||
#define SSB_IMCFGLO_CONNID_SHIFT 16
|
||||
#define SSB_IMCFGHI 0x0FAC
|
||||
#define SSB_ADMATCH0 0x0FB0
|
||||
#define SSB_TMCFGLO 0x0FB8
|
||||
#define SSB_TMCFGHI 0x0FBC
|
||||
#define SSB_BCONFIG 0x0FC0
|
||||
#define SSB_BSTATE 0x0FC8
|
||||
#define SSB_ACTCFG 0x0FD8
|
||||
#define SSB_FLAGST 0x0FE8
|
||||
#define SSB_IDLOW 0x0FF8
|
||||
#define SSB_IDLOW_CFGSP 0x00000003 /* Config Space */
|
||||
#define SSB_IDLOW_ADDRNGE 0x00000038 /* Address Ranges supported */
|
||||
#define SSB_IDLOW_ADDRNGE_SHIFT 3
|
||||
#define SSB_IDLOW_SYNC 0x00000040
|
||||
#define SSB_IDLOW_INITIATOR 0x00000080
|
||||
#define SSB_IDLOW_MIBL 0x00000F00 /* Minimum Backplane latency */
|
||||
#define SSB_IDLOW_MIBL_SHIFT 8
|
||||
#define SSB_IDLOW_MABL 0x0000F000 /* Maximum Backplane latency */
|
||||
#define SSB_IDLOW_MABL_SHIFT 12
|
||||
#define SSB_IDLOW_TIF 0x00010000 /* This Initiator is first */
|
||||
#define SSB_IDLOW_CCW 0x000C0000 /* Cycle counter width */
|
||||
#define SSB_IDLOW_CCW_SHIFT 18
|
||||
#define SSB_IDLOW_TPT 0x00F00000 /* Target ports */
|
||||
#define SSB_IDLOW_TPT_SHIFT 20
|
||||
#define SSB_IDLOW_INITP 0x0F000000 /* Initiator ports */
|
||||
#define SSB_IDLOW_INITP_SHIFT 24
|
||||
#define SSB_IDLOW_SSBREV 0xF0000000 /* Sonics Backplane Revision code */
|
||||
#define SSB_IDLOW_SSBREV_22 0x00000000 /* <= 2.2 */
|
||||
#define SSB_IDLOW_SSBREV_23 0x10000000 /* 2.3 */
|
||||
#define SSB_IDHIGH 0x0FFC /* SB Identification High */
|
||||
#define SSB_IDHIGH_RCLO 0x0000000F /* Revision Code (low part) */
|
||||
#define SSB_IDHIGH_CC 0x00008FF0 /* Core Code */
|
||||
#define SSB_IDHIGH_CC_SHIFT 4
|
||||
#define SSB_IDHIGH_RCHI 0x00007000 /* Revision Code (high part) */
|
||||
#define SSB_IDHIGH_RCHI_SHIFT 8 /* yes, shift 8 is right */
|
||||
#define SSB_IDHIGH_VC 0xFFFF0000 /* Vendor Code */
|
||||
#define SSB_IDHIGH_VC_SHIFT 16
|
||||
|
||||
/* SPROM shadow area. If not otherwise noted, fields are
|
||||
* two bytes wide. Note that the SPROM can _only_ be read
|
||||
* in two-byte quantinies.
|
||||
*/
|
||||
#define SSB_SPROMSIZE_WORDS 64
|
||||
#define SSB_SPROMSIZE_BYTES (SSB_SPROMSIZE_WORDS * sizeof(u16))
|
||||
#define SSB_SPROM_BASE 0x1000
|
||||
#define SSB_SPROM_REVISION 0x107E
|
||||
#define SSB_SPROM_REVISION_REV 0x00FF /* SPROM Revision number */
|
||||
#define SSB_SPROM_REVISION_CRC 0xFF00 /* SPROM CRC8 value */
|
||||
#define SSB_SPROM_REVISION_CRC_SHIFT 8
|
||||
/* SPROM Revision 1 */
|
||||
#define SSB_SPROM1_SPID 0x1004 /* Subsystem Product ID for PCI */
|
||||
#define SSB_SPROM1_SVID 0x1006 /* Subsystem Vendor ID for PCI */
|
||||
#define SSB_SPROM1_PID 0x1008 /* Product ID for PCI */
|
||||
#define SSB_SPROM1_IL0MAC 0x1048 /* 6 bytes MAC address for 802.11b/g */
|
||||
#define SSB_SPROM1_ET0MAC 0x104E /* 6 bytes MAC address for Ethernet */
|
||||
#define SSB_SPROM1_ET1MAC 0x1054 /* 6 bytes MAC address for 802.11a */
|
||||
#define SSB_SPROM1_ETHPHY 0x105A /* Ethernet PHY settings */
|
||||
#define SSB_SPROM1_ETHPHY_ET0A 0x001F /* MII Address for enet0 */
|
||||
#define SSB_SPROM1_ETHPHY_ET1A 0x03E0 /* MII Address for enet1 */
|
||||
#define SSB_SPROM1_ETHPHY_ET1A_SHIFT 5
|
||||
#define SSB_SPROM1_ETHPHY_ET0M (1<<14) /* MDIO for enet0 */
|
||||
#define SSB_SPROM1_ETHPHY_ET1M (1<<15) /* MDIO for enet1 */
|
||||
#define SSB_SPROM1_BINF 0x105C /* Board info */
|
||||
#define SSB_SPROM1_BINF_BREV 0x00FF /* Board Revision */
|
||||
#define SSB_SPROM1_BINF_CCODE 0x0F00 /* Country Code */
|
||||
#define SSB_SPROM1_BINF_CCODE_SHIFT 8
|
||||
#define SSB_SPROM1_BINF_ANTA 0x3000 /* Available A-PHY antennas */
|
||||
#define SSB_SPROM1_BINF_ANTA_SHIFT 12
|
||||
#define SSB_SPROM1_BINF_ANTBG 0xC000 /* Available B-PHY antennas */
|
||||
#define SSB_SPROM1_BINF_ANTBG_SHIFT 14
|
||||
#define SSB_SPROM1_PA0B0 0x105E
|
||||
#define SSB_SPROM1_PA0B1 0x1060
|
||||
#define SSB_SPROM1_PA0B2 0x1062
|
||||
#define SSB_SPROM1_GPIOA 0x1064 /* General Purpose IO pins 0 and 1 */
|
||||
#define SSB_SPROM1_GPIOA_P0 0x00FF /* Pin 0 */
|
||||
#define SSB_SPROM1_GPIOA_P1 0xFF00 /* Pin 1 */
|
||||
#define SSB_SPROM1_GPIOA_P1_SHIFT 8
|
||||
#define SSB_SPROM1_GPIOB 0x1066 /* General Purpuse IO pins 2 and 3 */
|
||||
#define SSB_SPROM1_GPIOB_P2 0x00FF /* Pin 2 */
|
||||
#define SSB_SPROM1_GPIOB_P3 0xFF00 /* Pin 3 */
|
||||
#define SSB_SPROM1_GPIOB_P3_SHIFT 8
|
||||
#define SSB_SPROM1_MAXPWR 0x1068 /* Power Amplifier Max Power */
|
||||
#define SSB_SPROM1_MAXPWR_A 0x00FF /* A-PHY (in dBm Q5.2) */
|
||||
#define SSB_SPROM1_MAXPWR_BG 0xFF00 /* B-PHY and G-PHY (in dBm Q5.2) */
|
||||
#define SSB_SPROM1_MAXPWR_BG_SHIFT 8
|
||||
#define SSB_SPROM1_PA1B0 0x106A
|
||||
#define SSB_SPROM1_PA1B1 0x106C
|
||||
#define SSB_SPROM1_PA1B2 0x106E
|
||||
#define SSB_SPROM1_ITSSI 0x1070 /* Idle TSSI Target */
|
||||
#define SSB_SPROM1_ITSSI_A 0x00FF /* A-PHY */
|
||||
#define SSB_SPROM1_ITSSI_BG 0xFF00 /* B-PHY and G-PHY */
|
||||
#define SSB_SPROM1_ITSSI_BG_SHIFT 8
|
||||
#define SSB_SPROM1_BFLLO 0x1072 /* Boardflags (low 16 bits) */
|
||||
#define SSB_SPROM1_AGAIN 0x1074 /* Antenna Gain (in dBm Q5.2) */
|
||||
#define SSB_SPROM1_AGAIN_A 0x00FF /* A-PHY */
|
||||
#define SSB_SPROM1_AGAIN_BG 0xFF00 /* B-PHY and G-PHY */
|
||||
#define SSB_SPROM1_AGAIN_BG_SHIFT 8
|
||||
#define SSB_SPROM1_OEM 0x1076 /* 8 bytes OEM string (rev 1 only) */
|
||||
/* SPROM Revision 2 (inherits from rev 1) */
|
||||
#define SSB_SPROM2_BFLHI 0x1038 /* Boardflags (high 16 bits) */
|
||||
#define SSB_SPROM2_MAXP_A 0x103A /* A-PHY Max Power */
|
||||
#define SSB_SPROM2_MAXP_A_HI 0x00FF /* Max Power High */
|
||||
#define SSB_SPROM2_MAXP_A_LO 0xFF00 /* Max Power Low */
|
||||
#define SSB_SPROM2_MAXP_A_LO_SHIFT 8
|
||||
#define SSB_SPROM2_PA1LOB0 0x103C /* A-PHY PowerAmplifier Low Settings */
|
||||
#define SSB_SPROM2_PA1LOB1 0x103E /* A-PHY PowerAmplifier Low Settings */
|
||||
#define SSB_SPROM2_PA1LOB2 0x1040 /* A-PHY PowerAmplifier Low Settings */
|
||||
#define SSB_SPROM2_PA1HIB0 0x1042 /* A-PHY PowerAmplifier High Settings */
|
||||
#define SSB_SPROM2_PA1HIB1 0x1044 /* A-PHY PowerAmplifier High Settings */
|
||||
#define SSB_SPROM2_PA1HIB2 0x1046 /* A-PHY PowerAmplifier High Settings */
|
||||
#define SSB_SPROM2_OPO 0x1078 /* OFDM Power Offset from CCK Level */
|
||||
#define SSB_SPROM2_OPO_VALUE 0x00FF
|
||||
#define SSB_SPROM2_OPO_UNUSED 0xFF00
|
||||
#define SSB_SPROM2_CCODE 0x107C /* Two char Country Code */
|
||||
/* SPROM Revision 3 (inherits from rev 2) */
|
||||
#define SSB_SPROM3_OFDMAPO 0x102C /* A-PHY OFDM Mid Power Offset (4 bytes, BigEndian) */
|
||||
#define SSB_SPROM3_OFDMALPO 0x1030 /* A-PHY OFDM Low Power Offset (4 bytes, BigEndian) */
|
||||
#define SSB_SPROM3_OFDMAHPO 0x1034 /* A-PHY OFDM High Power Offset (4 bytes, BigEndian) */
|
||||
#define SSB_SPROM3_GPIOLDC 0x1042 /* GPIO LED Powersave Duty Cycle (4 bytes, BigEndian) */
|
||||
#define SSB_SPROM3_GPIOLDC_OFF 0x0000FF00 /* Off Count */
|
||||
#define SSB_SPROM3_GPIOLDC_OFF_SHIFT 8
|
||||
#define SSB_SPROM3_GPIOLDC_ON 0x00FF0000 /* On Count */
|
||||
#define SSB_SPROM3_GPIOLDC_ON_SHIFT 16
|
||||
#define SSB_SPROM3_CCKPO 0x1078 /* CCK Power Offset */
|
||||
#define SSB_SPROM3_CCKPO_1M 0x000F /* 1M Rate PO */
|
||||
#define SSB_SPROM3_CCKPO_2M 0x00F0 /* 2M Rate PO */
|
||||
#define SSB_SPROM3_CCKPO_2M_SHIFT 4
|
||||
#define SSB_SPROM3_CCKPO_55M 0x0F00 /* 5.5M Rate PO */
|
||||
#define SSB_SPROM3_CCKPO_55M_SHIFT 8
|
||||
#define SSB_SPROM3_CCKPO_11M 0xF000 /* 11M Rate PO */
|
||||
#define SSB_SPROM3_CCKPO_11M_SHIFT 12
|
||||
#define SSB_SPROM3_OFDMGPO 0x107A /* G-PHY OFDM Power Offset (4 bytes, BigEndian) */
|
||||
|
||||
/* Values for SSB_SPROM1_BINF_CCODE */
|
||||
enum {
|
||||
SSB_SPROM1CCODE_WORLD = 0,
|
||||
SSB_SPROM1CCODE_THAILAND,
|
||||
SSB_SPROM1CCODE_ISRAEL,
|
||||
SSB_SPROM1CCODE_JORDAN,
|
||||
SSB_SPROM1CCODE_CHINA,
|
||||
SSB_SPROM1CCODE_JAPAN,
|
||||
SSB_SPROM1CCODE_USA_CANADA_ANZ,
|
||||
SSB_SPROM1CCODE_EUROPE,
|
||||
SSB_SPROM1CCODE_USA_LOW,
|
||||
SSB_SPROM1CCODE_JAPAN_HIGH,
|
||||
SSB_SPROM1CCODE_ALL,
|
||||
SSB_SPROM1CCODE_NONE,
|
||||
};
|
||||
|
||||
/* Address-Match values and masks (SSB_ADMATCH?) */
|
||||
#define SSB_ADM_TYPE 0x00000003 /* Address type */
|
||||
#define SSB_ADM_TYPE0 0
|
||||
#define SSB_ADM_TYPE1 1
|
||||
#define SSB_ADM_TYPE2 2
|
||||
#define SSB_ADM_AD64 0x00000004
|
||||
#define SSB_ADM_SZ0 0x000000F8 /* Type0 size */
|
||||
#define SSB_ADM_SZ0_SHIFT 3
|
||||
#define SSB_ADM_SZ1 0x000001F8 /* Type1 size */
|
||||
#define SSB_ADM_SZ1_SHIFT 3
|
||||
#define SSB_ADM_SZ2 0x000001F8 /* Type2 size */
|
||||
#define SSB_ADM_SZ2_SHIFT 3
|
||||
#define SSB_ADM_EN 0x00000400 /* Enable */
|
||||
#define SSB_ADM_NEG 0x00000800 /* Negative decode */
|
||||
#define SSB_ADM_BASE0 0xFFFFFF00 /* Type0 base address */
|
||||
#define SSB_ADM_BASE0_SHIFT 8
|
||||
#define SSB_ADM_BASE1 0xFFFFF000 /* Type1 base address for the core */
|
||||
#define SSB_ADM_BASE1_SHIFT 12
|
||||
#define SSB_ADM_BASE2 0xFFFF0000 /* Type2 base address for the core */
|
||||
#define SSB_ADM_BASE2_SHIFT 16
|
||||
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
#endif /* LINUX_SSB_REGS_H_ */
|
File diff suppressed because it is too large
Load diff
|
@ -1,478 +1,3 @@
|
|||
diff -urN linux.old/drivers/mtd/maps/bcm47xx-flash.c linux.dev/drivers/mtd/maps/bcm47xx-flash.c
|
||||
--- linux.old/drivers/mtd/maps/bcm47xx-flash.c 1970-01-01 01:00:00.000000000 +0100
|
||||
+++ linux.dev/drivers/mtd/maps/bcm47xx-flash.c 2007-01-03 02:26:02.000000000 +0100
|
||||
@@ -0,0 +1,471 @@
|
||||
+/*
|
||||
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
|
||||
+ * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
|
||||
+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
|
||||
+ *
|
||||
+ * original functions for finding root filesystem from Mike Baker
|
||||
+ *
|
||||
+ * This program is free software; you can redistribute it and/or modify it
|
||||
+ * under the terms of the GNU General Public License as published by the
|
||||
+ * Free Software Foundation; either version 2 of the License, or (at your
|
||||
+ * option) any later version.
|
||||
+ *
|
||||
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
|
||||
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
+ *
|
||||
+ * You should have received a copy of the GNU General Public License along
|
||||
+ * with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
+ *
|
||||
+ * Copyright 2001-2003, Broadcom Corporation
|
||||
+ * All Rights Reserved.
|
||||
+ *
|
||||
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
|
||||
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
|
||||
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
|
||||
+ *
|
||||
+ * Flash mapping for BCM947XX boards
|
||||
+ */
|
||||
+
|
||||
+#include <linux/init.h>
|
||||
+#include <linux/module.h>
|
||||
+#include <linux/types.h>
|
||||
+#include <linux/kernel.h>
|
||||
+#include <linux/wait.h>
|
||||
+#include <linux/mtd/mtd.h>
|
||||
+#include <linux/mtd/map.h>
|
||||
+#ifdef CONFIG_MTD_PARTITIONS
|
||||
+#include <linux/mtd/partitions.h>
|
||||
+#endif
|
||||
+#include <linux/squashfs_fs.h>
|
||||
+#include <linux/jffs2.h>
|
||||
+#include <linux/crc32.h>
|
||||
+#include <linux/ssb/ssb.h>
|
||||
+#include <asm/io.h>
|
||||
+
|
||||
+
|
||||
+#define TRX_MAGIC 0x30524448 /* "HDR0" */
|
||||
+#define TRX_VERSION 1
|
||||
+#define TRX_MAX_LEN 0x3A0000
|
||||
+#define TRX_NO_HEADER 1 /* Do not write TRX header */
|
||||
+#define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */
|
||||
+#define TRX_MAX_OFFSET 3
|
||||
+
|
||||
+struct trx_header {
|
||||
+ u32 magic; /* "HDR0" */
|
||||
+ u32 len; /* Length of file including header */
|
||||
+ u32 crc32; /* 32-bit CRC from flag_version to end of file */
|
||||
+ u32 flag_version; /* 0:15 flags, 16:31 version */
|
||||
+ u32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */
|
||||
+};
|
||||
+
|
||||
+#define ROUNDUP(x, y) ((((x)+((y)-1))/(y))*(y))
|
||||
+#define NVRAM_SPACE 0x8000
|
||||
+#define WINDOW_ADDR 0x1fc00000
|
||||
+#define WINDOW_SIZE 0x400000
|
||||
+#define BUSWIDTH 2
|
||||
+
|
||||
+extern struct ssb_bus ssb;
|
||||
+static struct mtd_info *bcm947xx_mtd;
|
||||
+
|
||||
+static void bcm947xx_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
|
||||
+{
|
||||
+#define MIPS_MEMCPY_ALIGN 4
|
||||
+ map_word ret;
|
||||
+ ssize_t transfer;
|
||||
+ ssize_t done = 0;
|
||||
+ if ((len >= MIPS_MEMCPY_ALIGN) && (!(from & (MIPS_MEMCPY_ALIGN - 1))) && (!(((unsigned int)to & (MIPS_MEMCPY_ALIGN - 1))))) {
|
||||
+ done = len & ~(MIPS_MEMCPY_ALIGN - 1);
|
||||
+ memcpy_fromio(to, map->virt + from, done);
|
||||
+ }
|
||||
+ while (done < len) {
|
||||
+ ret = map->read(map, from + done);
|
||||
+ transfer = len - done;
|
||||
+ if (transfer > map->bankwidth)
|
||||
+ transfer = map->bankwidth;
|
||||
+ memcpy((void *)((unsigned long)to + done), &ret.x[0], transfer);
|
||||
+ done += transfer;
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+static struct map_info bcm947xx_map = {
|
||||
+ name: "Physically mapped flash",
|
||||
+ size: WINDOW_SIZE,
|
||||
+ bankwidth: BUSWIDTH,
|
||||
+ phys: WINDOW_ADDR,
|
||||
+};
|
||||
+
|
||||
+#ifdef CONFIG_MTD_PARTITIONS
|
||||
+
|
||||
+static struct mtd_partition bcm947xx_parts[] = {
|
||||
+ { name: "cfe", offset: 0, size: 0, mask_flags: MTD_WRITEABLE, },
|
||||
+ { name: "linux", offset: 0, size: 0, },
|
||||
+ { name: "rootfs", offset: 0, size: 0, },
|
||||
+ { name: "nvram", offset: 0, size: 0, },
|
||||
+ { name: "OpenWrt", offset: 0, size: 0, },
|
||||
+ { name: NULL, },
|
||||
+};
|
||||
+
|
||||
+static int __init
|
||||
+find_cfe_size(struct mtd_info *mtd, size_t size)
|
||||
+{
|
||||
+ struct trx_header *trx;
|
||||
+ unsigned char buf[512];
|
||||
+ int off;
|
||||
+ size_t len;
|
||||
+ int blocksize;
|
||||
+
|
||||
+ trx = (struct trx_header *) buf;
|
||||
+
|
||||
+ blocksize = mtd->erasesize;
|
||||
+ if (blocksize < 0x10000)
|
||||
+ blocksize = 0x10000;
|
||||
+
|
||||
+ for (off = (128*1024); off < size; off += blocksize) {
|
||||
+ memset(buf, 0xe5, sizeof(buf));
|
||||
+
|
||||
+ /*
|
||||
+ * Read into buffer
|
||||
+ */
|
||||
+ if (mtd->read(mtd, off, sizeof(buf), &len, buf) ||
|
||||
+ len != sizeof(buf))
|
||||
+ continue;
|
||||
+
|
||||
+ /* found a TRX header */
|
||||
+ if (le32_to_cpu(trx->magic) == TRX_MAGIC) {
|
||||
+ goto found;
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
+ printk(KERN_NOTICE
|
||||
+ "%s: Couldn't find bootloader size\n",
|
||||
+ mtd->name);
|
||||
+ return -1;
|
||||
+
|
||||
+ found:
|
||||
+ printk(KERN_NOTICE "bootloader size: %d\n", off);
|
||||
+ return off;
|
||||
+
|
||||
+}
|
||||
+
|
||||
+/*
|
||||
+ * Copied from mtdblock.c
|
||||
+ *
|
||||
+ * Cache stuff...
|
||||
+ *
|
||||
+ * Since typical flash erasable sectors are much larger than what Linux's
|
||||
+ * buffer cache can handle, we must implement read-modify-write on flash
|
||||
+ * sectors for each block write requests. To avoid over-erasing flash sectors
|
||||
+ * and to speed things up, we locally cache a whole flash sector while it is
|
||||
+ * being written to until a different sector is required.
|
||||
+ */
|
||||
+
|
||||
+static void erase_callback(struct erase_info *done)
|
||||
+{
|
||||
+ wait_queue_head_t *wait_q = (wait_queue_head_t *)done->priv;
|
||||
+ wake_up(wait_q);
|
||||
+}
|
||||
+
|
||||
+static int erase_write (struct mtd_info *mtd, unsigned long pos,
|
||||
+ int len, const char *buf)
|
||||
+{
|
||||
+ struct erase_info erase;
|
||||
+ DECLARE_WAITQUEUE(wait, current);
|
||||
+ wait_queue_head_t wait_q;
|
||||
+ size_t retlen;
|
||||
+ int ret;
|
||||
+
|
||||
+ /*
|
||||
+ * First, let's erase the flash block.
|
||||
+ */
|
||||
+
|
||||
+ init_waitqueue_head(&wait_q);
|
||||
+ erase.mtd = mtd;
|
||||
+ erase.callback = erase_callback;
|
||||
+ erase.addr = pos;
|
||||
+ erase.len = len;
|
||||
+ erase.priv = (u_long)&wait_q;
|
||||
+
|
||||
+ set_current_state(TASK_INTERRUPTIBLE);
|
||||
+ add_wait_queue(&wait_q, &wait);
|
||||
+
|
||||
+ ret = mtd->erase(mtd, &erase);
|
||||
+ if (ret) {
|
||||
+ set_current_state(TASK_RUNNING);
|
||||
+ remove_wait_queue(&wait_q, &wait);
|
||||
+ printk (KERN_WARNING "erase of region [0x%lx, 0x%x] "
|
||||
+ "on \"%s\" failed\n",
|
||||
+ pos, len, mtd->name);
|
||||
+ return ret;
|
||||
+ }
|
||||
+
|
||||
+ schedule(); /* Wait for erase to finish. */
|
||||
+ remove_wait_queue(&wait_q, &wait);
|
||||
+
|
||||
+ /*
|
||||
+ * Next, writhe data to flash.
|
||||
+ */
|
||||
+
|
||||
+ ret = mtd->write (mtd, pos, len, &retlen, buf);
|
||||
+ if (ret)
|
||||
+ return ret;
|
||||
+ if (retlen != len)
|
||||
+ return -EIO;
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+
|
||||
+
|
||||
+
|
||||
+static int __init
|
||||
+find_root(struct mtd_info *mtd, size_t size, struct mtd_partition *part)
|
||||
+{
|
||||
+ struct trx_header trx, *trx2;
|
||||
+ unsigned char buf[512], *block;
|
||||
+ int off, blocksize;
|
||||
+ u32 i, crc = ~0;
|
||||
+ size_t len;
|
||||
+ struct squashfs_super_block *sb = (struct squashfs_super_block *) buf;
|
||||
+
|
||||
+ blocksize = mtd->erasesize;
|
||||
+ if (blocksize < 0x10000)
|
||||
+ blocksize = 0x10000;
|
||||
+
|
||||
+ for (off = (128*1024); off < size; off += blocksize) {
|
||||
+ memset(&trx, 0xe5, sizeof(trx));
|
||||
+
|
||||
+ /*
|
||||
+ * Read into buffer
|
||||
+ */
|
||||
+ if (mtd->read(mtd, off, sizeof(trx), &len, (char *) &trx) ||
|
||||
+ len != sizeof(trx))
|
||||
+ continue;
|
||||
+
|
||||
+ /* found a TRX header */
|
||||
+ if (le32_to_cpu(trx.magic) == TRX_MAGIC) {
|
||||
+ part->offset = le32_to_cpu(trx.offsets[2]) ? :
|
||||
+ le32_to_cpu(trx.offsets[1]);
|
||||
+ part->size = le32_to_cpu(trx.len);
|
||||
+
|
||||
+ part->size -= part->offset;
|
||||
+ part->offset += off;
|
||||
+
|
||||
+ goto found;
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
+ printk(KERN_NOTICE
|
||||
+ "%s: Couldn't find root filesystem\n",
|
||||
+ mtd->name);
|
||||
+ return -1;
|
||||
+
|
||||
+ found:
|
||||
+ if (part->size == 0)
|
||||
+ return 0;
|
||||
+
|
||||
+ if (mtd->read(mtd, part->offset, sizeof(buf), &len, buf) || len != sizeof(buf))
|
||||
+ return 0;
|
||||
+
|
||||
+ if (*((__u32 *) buf) == SQUASHFS_MAGIC) {
|
||||
+ printk(KERN_INFO "%s: Filesystem type: squashfs, size=0x%x\n", mtd->name, (u32) sb->bytes_used);
|
||||
+
|
||||
+ /* Update the squashfs partition size based on the superblock info */
|
||||
+ part->size = sb->bytes_used;
|
||||
+ len = part->offset + part->size;
|
||||
+ len += (mtd->erasesize - 1);
|
||||
+ len &= ~(mtd->erasesize - 1);
|
||||
+ part->size = len - part->offset;
|
||||
+ } else if (*((__u16 *) buf) == JFFS2_MAGIC_BITMASK) {
|
||||
+ printk(KERN_INFO "%s: Filesystem type: jffs2\n", mtd->name);
|
||||
+
|
||||
+ /* Move the squashfs outside of the trx */
|
||||
+ part->size = 0;
|
||||
+ } else {
|
||||
+ printk(KERN_INFO "%s: Filesystem type: unknown\n", mtd->name);
|
||||
+ return 0;
|
||||
+ }
|
||||
+
|
||||
+ if (trx.len != part->offset + part->size - off) {
|
||||
+ /* Update the trx offsets and length */
|
||||
+ trx.len = part->offset + part->size - off;
|
||||
+
|
||||
+ /* Update the trx crc32 */
|
||||
+ for (i = (u32) &(((struct trx_header *)NULL)->flag_version); i <= trx.len; i += sizeof(buf)) {
|
||||
+ if (mtd->read(mtd, off + i, sizeof(buf), &len, buf) || len != sizeof(buf))
|
||||
+ return 0;
|
||||
+ crc = crc32_le(crc, buf, min(sizeof(buf), trx.len - i));
|
||||
+ }
|
||||
+ trx.crc32 = crc;
|
||||
+
|
||||
+ /* read first eraseblock from the trx */
|
||||
+ block = kmalloc(mtd->erasesize, GFP_KERNEL);
|
||||
+ trx2 = (struct trx_header *) block;
|
||||
+ if (mtd->read(mtd, off, mtd->erasesize, &len, block) || len != mtd->erasesize) {
|
||||
+ printk("Error accessing the first trx eraseblock\n");
|
||||
+ return 0;
|
||||
+ }
|
||||
+
|
||||
+ printk("Updating TRX offsets and length:\n");
|
||||
+ printk("old trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx2->offsets[0], trx2->offsets[1], trx2->offsets[2], trx2->len, trx2->crc32);
|
||||
+ printk("new trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx.offsets[0], trx.offsets[1], trx.offsets[2], trx.len, trx.crc32);
|
||||
+
|
||||
+ /* Write updated trx header to the flash */
|
||||
+ memcpy(block, &trx, sizeof(trx));
|
||||
+ if (mtd->unlock)
|
||||
+ mtd->unlock(mtd, off, mtd->erasesize);
|
||||
+ erase_write(mtd, off, mtd->erasesize, block);
|
||||
+ if (mtd->sync)
|
||||
+ mtd->sync(mtd);
|
||||
+ kfree(block);
|
||||
+ printk("Done\n");
|
||||
+ }
|
||||
+
|
||||
+ return part->size;
|
||||
+}
|
||||
+
|
||||
+struct mtd_partition * __init
|
||||
+init_mtd_partitions(struct mtd_info *mtd, size_t size)
|
||||
+{
|
||||
+ int cfe_size;
|
||||
+
|
||||
+ if ((cfe_size = find_cfe_size(mtd,size)) < 0)
|
||||
+ return NULL;
|
||||
+
|
||||
+ /* boot loader */
|
||||
+ bcm947xx_parts[0].offset = 0;
|
||||
+ bcm947xx_parts[0].size = cfe_size;
|
||||
+
|
||||
+ /* nvram */
|
||||
+ if (cfe_size != 384 * 1024) {
|
||||
+ bcm947xx_parts[3].offset = size - ROUNDUP(NVRAM_SPACE, mtd->erasesize);
|
||||
+ bcm947xx_parts[3].size = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
|
||||
+ } else {
|
||||
+ /* nvram (old 128kb config partition on netgear wgt634u) */
|
||||
+ bcm947xx_parts[3].offset = bcm947xx_parts[0].size;
|
||||
+ bcm947xx_parts[3].size = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
|
||||
+ }
|
||||
+
|
||||
+ /* linux (kernel and rootfs) */
|
||||
+ if (cfe_size != 384 * 1024) {
|
||||
+ bcm947xx_parts[1].offset = bcm947xx_parts[0].size;
|
||||
+ bcm947xx_parts[1].size = bcm947xx_parts[3].offset -
|
||||
+ bcm947xx_parts[1].offset;
|
||||
+ } else {
|
||||
+ /* do not count the elf loader, which is on one block */
|
||||
+ bcm947xx_parts[1].offset = bcm947xx_parts[0].size +
|
||||
+ bcm947xx_parts[3].size + mtd->erasesize;
|
||||
+ bcm947xx_parts[1].size = size -
|
||||
+ bcm947xx_parts[0].size -
|
||||
+ (2*bcm947xx_parts[3].size) -
|
||||
+ mtd->erasesize;
|
||||
+ }
|
||||
+
|
||||
+ /* find and size rootfs */
|
||||
+ if (find_root(mtd,size,&bcm947xx_parts[2])==0) {
|
||||
+ /* entirely jffs2 */
|
||||
+ bcm947xx_parts[4].name = NULL;
|
||||
+ bcm947xx_parts[2].size = size - bcm947xx_parts[2].offset -
|
||||
+ bcm947xx_parts[3].size;
|
||||
+ } else {
|
||||
+ /* legacy setup */
|
||||
+ /* calculate leftover flash, and assign it to the jffs2 partition */
|
||||
+ if (cfe_size != 384 * 1024) {
|
||||
+ bcm947xx_parts[4].offset = bcm947xx_parts[2].offset +
|
||||
+ bcm947xx_parts[2].size;
|
||||
+ if ((bcm947xx_parts[4].offset % mtd->erasesize) > 0) {
|
||||
+ bcm947xx_parts[4].offset += mtd->erasesize -
|
||||
+ (bcm947xx_parts[4].offset % mtd->erasesize);
|
||||
+ }
|
||||
+ bcm947xx_parts[4].size = bcm947xx_parts[3].offset -
|
||||
+ bcm947xx_parts[4].offset;
|
||||
+ } else {
|
||||
+ bcm947xx_parts[4].offset = bcm947xx_parts[2].offset +
|
||||
+ bcm947xx_parts[2].size;
|
||||
+ if ((bcm947xx_parts[4].offset % mtd->erasesize) > 0) {
|
||||
+ bcm947xx_parts[4].offset += mtd->erasesize -
|
||||
+ (bcm947xx_parts[4].offset % mtd->erasesize);
|
||||
+ }
|
||||
+ bcm947xx_parts[4].size = size - bcm947xx_parts[3].size -
|
||||
+ bcm947xx_parts[4].offset;
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
+ return bcm947xx_parts;
|
||||
+}
|
||||
+#endif
|
||||
+
|
||||
+int __init init_bcm947xx_map(void)
|
||||
+{
|
||||
+ struct ssb_mipscore *mcore = &ssb.mipscore;
|
||||
+ size_t size;
|
||||
+ int ret = 0;
|
||||
+#ifdef CONFIG_MTD_PARTITIONS
|
||||
+ struct mtd_partition *parts;
|
||||
+ int i;
|
||||
+#endif
|
||||
+ u32 window = mcore->flash_window;
|
||||
+ u32 window_size = mcore->flash_window_size;
|
||||
+
|
||||
+ printk("flash init: 0x%08x 0x%08x\n", window, window_size);
|
||||
+ bcm947xx_map.virt = ioremap(window, window_size);
|
||||
+
|
||||
+ if (!bcm947xx_map.virt) {
|
||||
+ printk("Failed to ioremap\n");
|
||||
+ return -EIO;
|
||||
+ }
|
||||
+ simple_map_init(&bcm947xx_map);
|
||||
+
|
||||
+ bcm947xx_map.copy_from = bcm947xx_map_copy_from;
|
||||
+
|
||||
+ if (!(bcm947xx_mtd = do_map_probe("cfi_probe", &bcm947xx_map))) {
|
||||
+ printk("Failed to do_map_probe\n");
|
||||
+ iounmap((void *)bcm947xx_map.virt);
|
||||
+ return -ENXIO;
|
||||
+ }
|
||||
+
|
||||
+ bcm947xx_mtd->owner = THIS_MODULE;
|
||||
+
|
||||
+ size = bcm947xx_mtd->size;
|
||||
+
|
||||
+ printk(KERN_NOTICE "Flash device: 0x%x at 0x%x\n", size, WINDOW_ADDR);
|
||||
+
|
||||
+#ifdef CONFIG_MTD_PARTITIONS
|
||||
+ parts = init_mtd_partitions(bcm947xx_mtd, size);
|
||||
+ for (i = 0; parts[i].name; i++);
|
||||
+ ret = add_mtd_partitions(bcm947xx_mtd, parts, i);
|
||||
+ if (ret) {
|
||||
+ printk(KERN_ERR "Flash: add_mtd_partitions failed\n");
|
||||
+ goto fail;
|
||||
+ }
|
||||
+#endif
|
||||
+ return 0;
|
||||
+
|
||||
+ fail:
|
||||
+ if (bcm947xx_mtd)
|
||||
+ map_destroy(bcm947xx_mtd);
|
||||
+ if (bcm947xx_map.virt)
|
||||
+ iounmap((void *)bcm947xx_map.virt);
|
||||
+ bcm947xx_map.virt = 0;
|
||||
+ return ret;
|
||||
+}
|
||||
+
|
||||
+void __exit cleanup_bcm947xx_map(void)
|
||||
+{
|
||||
+#ifdef CONFIG_MTD_PARTITIONS
|
||||
+ del_mtd_partitions(bcm947xx_mtd);
|
||||
+#endif
|
||||
+ map_destroy(bcm947xx_mtd);
|
||||
+ iounmap((void *)bcm947xx_map.virt);
|
||||
+}
|
||||
+
|
||||
+module_init(init_bcm947xx_map);
|
||||
+module_exit(cleanup_bcm947xx_map);
|
||||
diff -urN linux.old/drivers/mtd/maps/Kconfig linux.dev/drivers/mtd/maps/Kconfig
|
||||
--- linux.old/drivers/mtd/maps/Kconfig 2006-12-11 20:32:53.000000000 +0100
|
||||
+++ linux.dev/drivers/mtd/maps/Kconfig 2007-01-03 02:26:02.000000000 +0100
|
||||
|
|
|
@ -0,0 +1,11 @@
|
|||
diff -urN linux-2.6.19.ref/lib/kobject_uevent.c linux-2.6.19/lib/kobject_uevent.c
|
||||
--- linux-2.6.19.ref/lib/kobject_uevent.c 2006-11-29 22:57:37.000000000 +0100
|
||||
+++ linux-2.6.19/lib/kobject_uevent.c 2006-12-04 21:33:48.000000000 +0100
|
||||
@@ -29,6 +29,7 @@
|
||||
u64 uevent_seqnum;
|
||||
char uevent_helper[UEVENT_HELPER_PATH_LEN] = "/sbin/hotplug";
|
||||
static DEFINE_SPINLOCK(sequence_lock);
|
||||
+EXPORT_SYMBOL(uevent_helper);
|
||||
#if defined(CONFIG_NET)
|
||||
static struct sock *uevent_sock;
|
||||
#endif
|
Loading…
Reference in a new issue