brcm63xx cleanups; add a watchdog driver, indent serial console driver, add support for another sst flash
SVN-Revision: 6985
This commit is contained in:
parent
65d82bc293
commit
2bf49e010b
8 changed files with 943 additions and 652 deletions
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@ -3,7 +3,7 @@
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#
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# Copyright (C) 2004 Broadcom Corporation
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#
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obj-y := irq.o prom.o setup.o time.o ser_init.o int-handler.o info.o
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obj-y := irq.o prom.o setup.o time.o ser_init.o int-handler.o info.o wdt.o
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SRCBASE := $(TOPDIR)
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EXTRA_CFLAGS += -I$(SRCBASE)/include
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@ -25,7 +25,8 @@
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static char *boot_loader_names[BOOT_LOADER_LAST+1] = {
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[BOOT_LOADER_UNKNOWN] = "Unknown",
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[BOOT_LOADER_CFE] = "CFE",
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[BOOT_LOADER_REDBOOT] = "RedBoot"
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[BOOT_LOADER_REDBOOT] = "RedBoot",
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[BOOT_LOADER_CFE2] = "CFEv2"
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};
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/* boot loaders specific definitions */
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@ -73,14 +74,29 @@ void __init detect_bootloader(void)
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{
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if (detect_cfe()) {
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boot_loader_type = BOOT_LOADER_CFE;
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printk("Boot loader is : %s\n", boot_loader_names[boot_loader_type]);
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}
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if (detect_redboot()) {
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boot_loader_type = BOOT_LOADER_REDBOOT;
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}
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else
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boot_loader_type = BOOT_LOADER_UNKNOWN;
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else {
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/* Some devices are using CFE, but it is not detected as is */
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boot_loader_type = BOOT_LOADER_CFE2;
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}
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printk("Boot loader is : %s\n", boot_loader_names[boot_loader_type]);
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}
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void __init detect_board(void)
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{
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switch (boot_loader_type)
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{
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case BOOT_LOADER_CFE:
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break;
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case BOOT_LOADER_REDBOOT:
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break;
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default:
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break;
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}
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}
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EXPORT_SYMBOL(boot_loader_type);
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@ -237,14 +237,14 @@ unsigned int BcmHalMapInterrupt(FN_HANDLER pfunc, unsigned int param,
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irq_desc[interruptId].chip = &brcm_irq_no_end_type;
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if( interruptId >= INTERNAL_ISR_TABLE_OFFSET )
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{
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nRet = request_irq( interruptId, pfunc, SA_SAMPLE_RANDOM | SA_INTERRUPT,
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devname, (void *) param );
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{
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printk("BcmHalMapInterrupt : internal IRQ\n");
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nRet = request_irq( interruptId, pfunc, SA_SAMPLE_RANDOM | SA_INTERRUPT, devname, (void *) param );
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}
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else if (interruptId >= INTERRUPT_ID_EXTERNAL_0 && interruptId <= INTERRUPT_ID_EXTERNAL_3)
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{
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nRet = request_external_irq( interruptId, pfunc, SA_SAMPLE_RANDOM | SA_INTERRUPT,
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devname, (void *) param );
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printk("BcmHalMapInterrupt : external IRQ\n");
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nRet = request_external_irq( interruptId, pfunc, SA_SAMPLE_RANDOM | SA_INTERRUPT, devname, (void *) param );
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}
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return( nRet );
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@ -1,6 +1,6 @@
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/*
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<:copyright-gpl
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Copyright 2004 Broadcom Corp. All Rights Reserved.
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Copyright 2007 OpenWrt,org, Florian Fainelli <florian@openwrt.org>
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This program is free software; you can distribute it and/or modify it
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under the terms of the GNU General Public License (Version 2) as
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@ -14,7 +14,6 @@
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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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59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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:>
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*/
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/*
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* prom.c: PROM library initialization code.
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@ -50,24 +49,26 @@ void __init prom_init(void)
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{
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serial_init();
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printk( "%s prom init\n", get_system_type() );
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printk("%s prom init\n", get_system_type() );
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PERF->IrqMask = 0;
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/* Detect the bootloader */
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detect_bootloader();
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if (boot_loader_type == BOOT_LOADER_CFE) {
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/* Do further initialisations depending on the bootloader */
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if (boot_loader_type == BOOT_LOADER_CFE || boot_loader_type == BOOT_LOADER_CFE2) {
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cfe_setup(fw_arg0, fw_arg1, fw_arg2, fw_arg3);
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add_memory_region(0, (boot_mem_map.map[0].size - ADSL_SDRAM_IMAGE_SIZE), BOOT_MEM_RAM);
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}
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else
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add_memory_region(0, (0x01000000 - ADSL_SDRAM_IMAGE_SIZE), BOOT_MEM_RAM);
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/* Register 16MB RAM minus the ADSL SDRAM by default */
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add_memory_region(0, (0x01000000 - ADSL_SDRAM_IMAGE_SIZE), BOOT_MEM_RAM);
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mips_machgroup = MACH_GROUP_BRCM;
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mips_machtype = MACH_BCM;
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}
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void __init prom_free_prom_memory(void)
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unsigned long __init prom_free_prom_memory(void)
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{
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/* We do not have any memory to free */
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return 0;
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}
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246
target/linux/brcm63xx-2.6/files/arch/mips/bcm963xx/wdt.c
Normal file
246
target/linux/brcm63xx-2.6/files/arch/mips/bcm963xx/wdt.c
Normal file
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@ -0,0 +1,246 @@
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/*
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* Watchdog driver for the BCM963xx devices
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*
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* Copyright (C) 2007 OpenWrt.org
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* Florian Fainelli <florian@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/module.h>
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#include <linux/types.h>
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#include <linux/errno.h>
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#include <linux/miscdevice.h>
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#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/notifier.h>
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#include <linux/watchdog.h>
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#include <linux/timer.h>
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#include <linux/jiffies.h>
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#include <linux/completion.h>
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#include <linux/ioport.h>
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typedef struct bcm963xx_timer {
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unsigned short unused0;
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unsigned char timer_mask;
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#define TIMER0EN 0x01
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#define TIMER1EN 0x02
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#define TIMER2EN 0x04
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unsigned char timer_ints;
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#define TIMER0 0x01
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#define TIMER1 0x02
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#define TIMER2 0x04
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#define WATCHDOG 0x08
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unsigned long timer_ctl0;
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unsigned long timer_ctl1;
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unsigned long timer_ctl2;
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#define TIMERENABLE 0x80000000
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#define RSTCNTCLR 0x40000000
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unsigned long timer_cnt0;
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unsigned long timer_cnt1;
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unsigned long timer_cnt2;
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unsigned long wdt_def_count;
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/* Write 0xff00 0x00ff to Start timer
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* Write 0xee00 0x00ee to Stop and re-load default count
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* Read from this register returns current watch dog count
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*/
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unsigned long wdt_ctl;
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/* Number of 40-MHz ticks for WD Reset pulse to last */
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unsigned long wdt_rst_count;
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} bcm963xx_timer;
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static struct bcm963xx_wdt_device {
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struct completion stop;
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volatile int running;
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struct timer_list timer;
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volatile int queue;
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int default_ticks;
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unsigned long inuse;
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} bcm963xx_wdt_device;
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static int ticks = 1000;
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#define WDT_BASE 0xfffe0200
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#define WDT ((volatile bcm963xx_timer * const) WDT_BASE)
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#define BCM963XX_INTERVAL (HZ/10+1)
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static void bcm963xx_wdt_trigger(unsigned long unused)
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{
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if (bcm963xx_wdt_device.running)
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ticks--;
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/* Load the default ticking value into the reset counter register */
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WDT->wdt_rst_count = bcm963xx_wdt_device.default_ticks;
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if (bcm963xx_wdt_device.queue && ticks) {
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bcm963xx_wdt_device.timer.expires = jiffies + BCM963XX_INTERVAL;
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add_timer(&bcm963xx_wdt_device.timer);
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}
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else {
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complete(&bcm963xx_wdt_device.stop);
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}
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}
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static void bcm963xx_wdt_reset(void)
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{
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ticks = bcm963xx_wdt_device.default_ticks;
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/* Also reload default count */
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WDT->wdt_def_count = ticks;
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WDT->wdt_ctl = 0xee00;
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WDT->wdt_ctl = 0x00ee;
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}
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static void bcm963xx_wdt_start(void)
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{
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if (!bcm963xx_wdt_device.queue) {
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bcm963xx_wdt_device.queue;
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/* Enable the watchdog by writing 0xff00 ,then 0x00ff to the control register */
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WDT->wdt_ctl = 0xff00;
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WDT->wdt_ctl = 0x00ff;
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bcm963xx_wdt_device.timer.expires = jiffies + BCM963XX_INTERVAL;
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add_timer(&bcm963xx_wdt_device.timer);
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}
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bcm963xx_wdt_device.running++;
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}
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static int bcm963xx_wdt_stop(void)
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{
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if (bcm963xx_wdt_device.running)
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bcm963xx_wdt_device.running = 0;
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ticks = bcm963xx_wdt_device.default_ticks;
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/* Stop the watchdog by writing 0xee00 then 0x00ee to the control register */
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WDT->wdt_ctl = 0xee00;
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WDT->wdt_ctl = 0x00ee;
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return -EIO;
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}
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static int bcm963xx_wdt_open(struct inode *inode, struct file *file)
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{
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if (test_and_set_bit(0, &bcm963xx_wdt_device.inuse))
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return -EBUSY;
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return nonseekable_open(inode, file);
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}
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static int bcm963xx_wdt_release(struct inode *inode, struct file *file)
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{
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clear_bit(0, &bcm963xx_wdt_device.inuse);
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return 0;
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}
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static int bcm963xx_wdt_ioctl(struct inode *inode, struct file *file,
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unsigned int cmd, unsigned long arg)
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{
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void __user *argp = (void __user *)arg;
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unsigned int value;
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static struct watchdog_info ident = {
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.options = WDIOF_CARDRESET,
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.identity = "BCM963xx WDT",
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};
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switch (cmd) {
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case WDIOC_KEEPALIVE:
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bcm963xx_wdt_reset();
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break;
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case WDIOC_GETSTATUS:
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/* Reading from the control register will return the current value */
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value = WDT->wdt_ctl;
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if ( copy_to_user(argp, &value, sizeof(int)) )
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return -EFAULT;
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break;
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case WDIOC_GETSUPPORT:
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if ( copy_to_user(argp, &ident, sizeof(ident)) )
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return -EFAULT;
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break;
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case WDIOC_SETOPTIONS:
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if ( copy_from_user(&value, argp, sizeof(int)) )
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return -EFAULT;
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switch(value) {
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case WDIOS_ENABLECARD:
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bcm963xx_wdt_start();
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break;
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case WDIOS_DISABLECARD:
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bcm963xx_wdt_stop();
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break;
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default:
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return -EINVAL;
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}
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break;
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default:
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return -ENOTTY;
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}
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return 0;
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}
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static int bcm963xx_wdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
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{
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if (!count)
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return -EIO;
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bcm963xx_wdt_reset();
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return count;
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}
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static const struct file_operations bcm963xx_wdt_fops = {
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.owner = THIS_MODULE,
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.llseek = no_llseek,
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.write = bcm963xx_wdt_write,
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.ioctl = bcm963xx_wdt_ioctl,
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.open = bcm963xx_wdt_open,
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.release = bcm963xx_wdt_release,
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};
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static struct miscdevice bcm963xx_wdt_miscdev = {
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.minor = WATCHDOG_MINOR,
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.name = "watchdog",
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.fops = &bcm963xx_wdt_fops,
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};
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static void __exit bcm963xx_wdt_exit(void)
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{
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if (bcm963xx_wdt_device.queue ){
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bcm963xx_wdt_device.queue = 0;
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wait_for_completion(&bcm963xx_wdt_device.stop);
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}
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misc_deregister(&bcm963xx_wdt_miscdev);
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}
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static int __init bcm963xx_wdt_init(void)
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{
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int ret = 0;
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printk("Broadcom BCM963xx Watchdog timer\n");
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ret = misc_register(&bcm963xx_wdt_miscdev);
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if (ret) {
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printk(KERN_CRIT "Cannot register miscdev on minor=%d (err=%d)\n", WATCHDOG_MINOR, ret);
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return ret;
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}
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init_completion(&bcm963xx_wdt_device.stop);
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bcm963xx_wdt_device.queue = 0;
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clear_bit(0, &bcm963xx_wdt_device.inuse);
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init_timer(&bcm963xx_wdt_device.timer);
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bcm963xx_wdt_device.timer.function = bcm963xx_wdt_trigger;
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bcm963xx_wdt_device.timer.data = 0;
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bcm963xx_wdt_device.default_ticks = ticks;
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return ret;
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}
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module_init(bcm963xx_wdt_init);
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module_exit(bcm963xx_wdt_exit);
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MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
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MODULE_DESCRIPTION("Broadcom BCM963xx Watchdog driver");
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MODULE_LICENSE("GPL");
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File diff suppressed because it is too large
Load diff
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#define ADSL_SDRAM_IMAGE_SIZE (384*1024)
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#define BOOT_LOADER_UNKNOWN 0
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#define BOOT_LOADER_CFE 1
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#define BOOT_LOADER_REDBOOT 2
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#define BOOT_LOADER_LAST 2
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#define BOOT_LOADER_UNKNOWN 0
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#define BOOT_LOADER_CFE 1
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#define BOOT_LOADER_REDBOOT 2
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#define BOOT_LOADER_CFE2 3
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#define BOOT_LOADER_LAST 3
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36
target/linux/brcm63xx-2.6/patches/150-sst_flash.patch
Normal file
36
target/linux/brcm63xx-2.6/patches/150-sst_flash.patch
Normal file
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diff -urN linux-2.6.19.2/drivers/mtd/chips/jedec_probe.c linux-2.6.19.2.new/drivers/mtd/chips/jedec_probe.c
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--- linux-2.6.19.2/drivers/mtd/chips/jedec_probe.c 2007-01-10 20:10:37.000000000 +0100
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+++ linux-2.6.19.2.new/drivers/mtd/chips/jedec_probe.c 2007-04-09 22:33:05.000000000 +0200
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@@ -158,6 +158,7 @@
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#define SST49LF030A 0x001C
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#define SST49LF040A 0x0051
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#define SST49LF080A 0x005B
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+#define SST39VF6402B 0x236C
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/* Toshiba */
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#define TC58FVT160 0x00C2
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@@ -1494,7 +1495,23 @@
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ERASEINFO(0x1000,256),
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ERASEINFO(0x1000,256)
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}
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-
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+ }, {
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+ .mfr_id = MANUFACTURER_SST,
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+ .dev_id = SST39VF6402B,
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+ .name = "SST 39VF6402B",
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+ .uaddr = {
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+ [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */
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+ [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */
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+ },
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+ .DevSize = SIZE_8MiB,
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+ .CmdSet = P_ID_AMD_STD,
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+ .NumEraseRegions= 4,
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+ .regions = {
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+ ERASEINFO(0x2000,256),
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+ ERASEINFO(0x2000,256),
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+ ERASEINFO(0x2000,256),
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+ ERASEINFO(0x2000,256)
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+ }
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}, {
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.mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
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.dev_id = M29W800DT,
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