693 lines
31 KiB
Diff
693 lines
31 KiB
Diff
From e734ace5baa04e0e8af1d4483475fbd6bd2b32a1 Mon Sep 17 00:00:00 2001
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From: Axel Gembe <ago@bastart.eu.org>
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Date: Mon, 12 May 2008 18:54:09 +0200
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Subject: [PATCH] bcm963xx: flashmap support
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Signed-off-by: Axel Gembe <ago@bastart.eu.org>
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---
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drivers/mtd/maps/Kconfig | 7 +++++++
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drivers/mtd/maps/Makefile | 1 +
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drivers/mtd/redboot.c | 13 ++++++++++---
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3 files changed, 18 insertions(+), 3 deletions(-)
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--- a/drivers/mtd/maps/Kconfig
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+++ b/drivers/mtd/maps/Kconfig
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@@ -259,6 +259,13 @@ config MTD_ALCHEMY
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help
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Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards
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+config MTD_BCM963XX
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+ tristate "BCM963xx Flash device"
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+ depends on MIPS && BCM63XX
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+ help
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+ Flash memory access on BCM963xx boards. Currently only works with
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+ RedBoot and CFE.
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+
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config MTD_DILNETPC
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tristate "CFI Flash device mapped on DIL/Net PC"
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depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT && BROKEN
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--- a/drivers/mtd/redboot.c
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+++ b/drivers/mtd/redboot.c
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@@ -39,7 +39,7 @@ static inline int redboot_checksum(struc
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return 1;
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}
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-static int parse_redboot_partitions(struct mtd_info *master,
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+int parse_redboot_partitions(struct mtd_info *master,
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struct mtd_partition **pparts,
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unsigned long fis_origin)
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{
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@@ -162,6 +162,14 @@ static int parse_redboot_partitions(stru
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goto out;
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}
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+ if (!fis_origin) {
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+ for (i = 0; i < numslots; i++) {
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+ if (!strncmp(buf[i].name, "RedBoot", 8)) {
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+ fis_origin = (buf[i].flash_base & (master->size << 1) - 1);
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+ }
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+ }
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+ }
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+
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for (i = 0; i < numslots; i++) {
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struct fis_list *new_fl, **prev;
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@@ -184,9 +192,8 @@ static int parse_redboot_partitions(stru
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new_fl->img = &buf[i];
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if (fis_origin) {
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buf[i].flash_base -= fis_origin;
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- } else {
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- buf[i].flash_base &= master->size-1;
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}
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+ buf[i].flash_base &= (master->size << 1) - 1;
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/* I'm sure the JFFS2 code has done me permanent damage.
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* I now think the following is _normal_
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--- a/drivers/mtd/maps/Makefile
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+++ b/drivers/mtd/maps/Makefile
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@@ -61,3 +61,4 @@ obj-$(CONFIG_MTD_BFIN_ASYNC) += bfin-asy
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obj-$(CONFIG_MTD_RBTX4939) += rbtx4939-flash.o
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obj-$(CONFIG_MTD_VMU) += vmu-flash.o
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obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o
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+obj-$(CONFIG_MTD_BCM963XX) += bcm963xx-flash.o
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--- /dev/null
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+++ b/drivers/mtd/maps/bcm963xx-flash.c
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@@ -0,0 +1,399 @@
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+/*
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+ * Copyright (C) 2006-2008 Florian Fainelli <florian@openwrt.org>
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+ * Mike Albon <malbon@openwrt.org>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; either version 2 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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+ */
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+
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+#include <linux/init.h>
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+#include <linux/kernel.h>
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+#include <linux/mtd/map.h>
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+#include <linux/mtd/mtd.h>
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+#include <linux/mtd/partitions.h>
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+#include <linux/vmalloc.h>
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+#include <linux/platform_device.h>
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+
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+#include <bcm_tag.h>
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+#include <asm/io.h>
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+
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+#define BUSWIDTH 2 /* Buswidth */
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+#define EXTENDED_SIZE 0xBFC00000 /* Extended flash address */
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+
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+#define PFX KBUILD_MODNAME ": "
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+
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+extern int parse_redboot_partitions(struct mtd_info *master, struct mtd_partition **pparts, unsigned long fis_origin);
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+static struct mtd_partition *parsed_parts;
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+
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+static struct mtd_info *bcm963xx_mtd_info;
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+
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+static struct map_info bcm963xx_map = {
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+ .name = "bcm963xx",
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+ .bankwidth = BUSWIDTH,
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+};
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+
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+static struct tagiddesc_t tagidtab[NUM_TAGID] = TAGID_DEFINITIONS;
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+
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+static uint32_t tagcrc32tab[256] = {
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+ 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
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+ 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
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+ 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
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+ 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
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+ 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
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+ 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
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+ 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
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+ 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
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+ 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
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+ 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
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+ 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
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+ 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
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+ 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
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+ 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
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+ 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
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+ 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
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+ 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
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+ 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
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+ 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
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+ 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
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+ 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
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+ 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
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+ 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
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+ 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
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+ 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
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+ 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
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+ 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
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+ 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
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+ 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
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+ 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
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+ 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
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+ 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
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+};
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+
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+static uint32_t tagcrc32(uint32_t crc, uint8_t *data, size_t len)
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+{
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+ while (len--)
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+ crc = (crc >> 8) ^ tagcrc32tab[(crc ^ *data++) & 0xFF];
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+
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+ return crc;
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+}
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+
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+static int parse_cfe_partitions( struct mtd_info *master, struct mtd_partition **pparts)
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+{
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+ int nrparts = 3, curpart = 0; /* CFE,NVRAM and global LINUX are always present. */
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+ union bcm_tag *buf;
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+ struct mtd_partition *parts;
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+ int ret;
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+ size_t retlen;
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+ unsigned int rootfsaddr, kerneladdr, spareaddr;
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+ unsigned int rootfslen, kernellen, sparelen, totallen;
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+ unsigned char *tagid;
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+ int namelen = 0;
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+ int i;
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+ uint32_t tagidcrc;
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+ uint32_t calctagidcrc;
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+ bool tagid_match = false;
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+ char *boardid;
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+ char *tagversion;
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+ char *matchtagid;
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+
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+ /* Allocate memory for buffer */
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+ buf = vmalloc(sizeof(union bcm_tag));
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+ if (!buf)
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+ return -ENOMEM;
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+
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+ /* Get the tag */
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+ ret = master->read(master,master->erasesize,sizeof(union bcm_tag), &retlen, (void *)buf);
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+ if (retlen != sizeof(union bcm_tag)){
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+ vfree(buf);
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+ return -EIO;
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+ }
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+
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+ /* tagId isn't in the same location, so we check each tagid against the
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+ * tagid CRC. If the CRC is valid we have found the right tag and so
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+ * use that tag
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+ */
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+
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+ for (i = 0; i < NUM_TAGID; i++) {
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+ switch(i) {
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+ case 0:
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+ matchtagid = "bccfe";
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+ tagid = &(buf->bccfe.tagId[0]);
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+ sscanf(buf->bccfe.rootAddress,"%u", &rootfsaddr);
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+ sscanf(buf->bccfe.rootLength, "%u", &rootfslen);
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+ sscanf(buf->bccfe.kernelAddress, "%u", &kerneladdr);
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+ sscanf(buf->bccfe.kernelLength, "%u", &kernellen);
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+ sscanf(buf->bccfe.totalLength, "%u", &totallen);
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+ tagidcrc = *(uint32_t *)&(buf->bccfe.tagIdCRC[0]);
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+ tagversion = &(buf->bccfe.tagVersion[0]);
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+ boardid = &(buf->bccfe.boardid[0]);
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+ break;
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+ case 1:
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+ matchtagid = "bc300";
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+ tagid = &(buf->bc300.tagId[0]);
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+ sscanf(buf->bc300.rootAddress,"%u", &rootfsaddr);
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+ sscanf(buf->bc300.rootLength, "%u", &rootfslen);
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+ sscanf(buf->bc300.kernelAddress, "%u", &kerneladdr);
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+ sscanf(buf->bc300.kernelLength, "%u", &kernellen);
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+ sscanf(buf->bc300.totalLength, "%u", &totallen);
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+ tagidcrc = *(uint32_t *)&(buf->bc300.tagIdCRC[0]);
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+ tagversion = &(buf->bc300.tagVersion[0]);
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+ boardid = &(buf->bc300.boardid[0]);
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+ break;
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+ case 2:
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+ matchtagid = "ag306";
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+ tagid = &(buf->ag306.tagId[0]);
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+ sscanf(buf->ag306.rootAddress,"%u", &rootfsaddr);
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+ sscanf(buf->ag306.rootLength, "%u", &rootfslen);
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+ sscanf(buf->ag306.kernelAddress, "%u", &kerneladdr);
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+ sscanf(buf->ag306.kernelLength, "%u", &kernellen);
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+ sscanf(buf->ag306.totalLength, "%u", &totallen);
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+ tagidcrc = *(uint32_t *)&(buf->ag306.tagIdCRC[0]);
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+ tagversion = &(buf->ag306.tagVersion[0]);
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+ boardid = &(buf->ag306.boardid[0]);
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+ break;
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+ case 3:
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+ matchtagid = "bc221";
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+ tagid = &(buf->bc221.tagId[0]);
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+ sscanf(buf->bc221.rootAddress,"%u", &rootfsaddr);
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+ sscanf(buf->bc221.rootLength, "%u", &rootfslen);
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+ sscanf(buf->bc221.kernelAddress, "%u", &kerneladdr);
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+ sscanf(buf->bc221.kernelLength, "%u", &kernellen);
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+ sscanf(buf->bc221.totalLength, "%u", &totallen);
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+ tagidcrc = *(uint32_t *)&(buf->bc221.tagIdCRC[0]);
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+ tagversion = &(buf->bc221.tagVersion[0]);
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+ boardid = &(buf->bc221.boardid[0]);
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+ break;
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+ case 4:
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+ matchtagid = "bc310";
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+ tagid = &(buf->bc310.tagId[0]);
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+ sscanf(buf->bc310.rootAddress,"%u", &rootfsaddr);
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+ sscanf(buf->bc310.rootLength, "%u", &rootfslen);
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+ sscanf(buf->bc310.kernelAddress, "%u", &kerneladdr);
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+ sscanf(buf->bc310.kernelLength, "%u", &kernellen);
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+ sscanf(buf->bc310.totalLength, "%u", &totallen);
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+ tagidcrc = *(uint32_t *)&(buf->bc310.tagIdCRC[0]);
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+ tagversion = &(buf->bc310.tagVersion[0]);
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+ boardid = &(buf->bc310.boardid[0]);
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+ break;
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+ }
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+ if (strncmp(tagid, matchtagid, TAGID_LEN) != 0) {
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+ continue;
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+ }
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+
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+ calctagidcrc = htonl(tagcrc32(IMAGETAG_CRC_START, tagid, TAGID_LEN));
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+ if (tagidcrc == calctagidcrc) {
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+ tagid_match = true;
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+ break;
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+ }
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+ }
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+
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+ if (!tagid_match) {
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+ tagid = "bcram";
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+ sscanf(buf->bccfe.rootAddress,"%u", &rootfsaddr);
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+ sscanf(buf->bccfe.rootLength, "%u", &rootfslen);
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+ sscanf(buf->bccfe.kernelAddress, "%u", &kerneladdr);
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+ sscanf(buf->bccfe.kernelLength, "%u", &kernellen);
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+ sscanf(buf->bccfe.totalLength, "%u", &totallen);
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+ tagidcrc = *(uint32_t *)&(buf->bccfe.tagIdCRC[0]);
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+ tagversion = &(buf->bccfe.tagVersion[0]);
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+ boardid = &(buf->bccfe.boardid[0]);
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+ }
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+
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+ printk(KERN_INFO PFX "CFE boot tag found with version %s, board type %s, and tagid %s.\n",tagversion,boardid,tagid);
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+
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+ rootfsaddr = rootfsaddr - EXTENDED_SIZE;
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+ kerneladdr = kerneladdr - EXTENDED_SIZE;
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+ spareaddr = roundup(totallen,master->erasesize) + master->erasesize;
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+ sparelen = master->size - spareaddr - master->erasesize;
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+
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+ /* Determine number of partitions */
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+ namelen = 8;
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+ if (rootfslen > 0){
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+ nrparts++;
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+ namelen =+ 6;
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+ };
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+ if (kernellen > 0) {
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+ nrparts++;
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+ namelen =+ 6;
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+ };
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+
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+ /* Ask kernel for more memory */
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+ parts = kzalloc(sizeof(*parts) * nrparts + 10 * nrparts, GFP_KERNEL);
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+ if (!parts) {
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+ vfree(buf);
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+ return -ENOMEM;
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+ };
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+
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+ /* Start building partition list */
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+ parts[curpart].name = "CFE";
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+ parts[curpart].offset = 0;
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+ parts[curpart].size = master->erasesize;
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+ curpart++;
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+
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+ if (kernellen > 0) {
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+ parts[curpart].name = "kernel";
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+ parts[curpart].offset = kerneladdr;
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+ parts[curpart].size = kernellen;
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+ curpart++;
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+ };
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+
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+ if (rootfslen > 0) {
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+ parts[curpart].name = "rootfs";
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+ parts[curpart].offset = rootfsaddr;
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+ parts[curpart].size = rootfslen;
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+ if (sparelen > 0)
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+ parts[curpart].size += sparelen;
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+ curpart++;
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+ };
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+
|
|
+ parts[curpart].name = "nvram";
|
|
+ parts[curpart].offset = master->size - master->erasesize;
|
|
+ parts[curpart].size = master->erasesize;
|
|
+
|
|
+ /* Global partition "linux" to make easy firmware upgrade */
|
|
+ curpart++;
|
|
+ parts[curpart].name = "linux";
|
|
+ parts[curpart].offset = parts[0].size;
|
|
+ parts[curpart].size = master->size - parts[0].size - parts[3].size;
|
|
+
|
|
+ for (i = 0; i < nrparts; i++)
|
|
+ printk(KERN_INFO PFX "Partition %d is %s offset %lx and length %lx\n", i, parts[i].name, parts[i].offset, parts[i].size);
|
|
+
|
|
+ printk(KERN_INFO PFX "Spare partition is %x offset and length %x\n", spareaddr, sparelen);
|
|
+ *pparts = parts;
|
|
+ vfree(buf);
|
|
+
|
|
+ return nrparts;
|
|
+};
|
|
+
|
|
+static int bcm963xx_detect_cfe(struct mtd_info *master)
|
|
+{
|
|
+ int idoffset = 0x4e0;
|
|
+ static char idstring[8] = "CFE1CFE1";
|
|
+ char buf[9];
|
|
+ int ret;
|
|
+ size_t retlen;
|
|
+
|
|
+ ret = master->read(master, idoffset, 8, &retlen, (void *)buf);
|
|
+ buf[retlen] = 0;
|
|
+ printk(KERN_INFO PFX "Read Signature value of %s\n", buf);
|
|
+
|
|
+ return strncmp(idstring, buf, 8);
|
|
+}
|
|
+
|
|
+static int bcm963xx_probe(struct platform_device *pdev)
|
|
+{
|
|
+ int err = 0;
|
|
+ int parsed_nr_parts = 0;
|
|
+ char *part_type;
|
|
+ struct resource *r;
|
|
+
|
|
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
+ bcm963xx_map.phys = r->start;
|
|
+ bcm963xx_map.size = (r->end - r->start) + 1;
|
|
+ bcm963xx_map.virt = ioremap(r->start, r->end - r->start + 1);
|
|
+
|
|
+ if (!bcm963xx_map.virt) {
|
|
+ printk(KERN_ERR PFX "Failed to ioremap\n");
|
|
+ return -EIO;
|
|
+ }
|
|
+ printk(KERN_INFO PFX "0x%08lx at 0x%08x\n", bcm963xx_map.size, bcm963xx_map.phys);
|
|
+
|
|
+ simple_map_init(&bcm963xx_map);
|
|
+
|
|
+ bcm963xx_mtd_info = do_map_probe("cfi_probe", &bcm963xx_map);
|
|
+ if (!bcm963xx_mtd_info) {
|
|
+ printk(KERN_ERR PFX "Failed to probe using CFI\n");
|
|
+ err = -EIO;
|
|
+ goto err_probe;
|
|
+ }
|
|
+
|
|
+ bcm963xx_mtd_info->owner = THIS_MODULE;
|
|
+
|
|
+ /* This is mutually exclusive */
|
|
+ if (bcm963xx_detect_cfe(bcm963xx_mtd_info) == 0) {
|
|
+ printk(KERN_INFO PFX "CFE bootloader detected\n");
|
|
+ if (parsed_nr_parts == 0) {
|
|
+ int ret = parse_cfe_partitions(bcm963xx_mtd_info, &parsed_parts);
|
|
+ if (ret > 0) {
|
|
+ part_type = "CFE";
|
|
+ parsed_nr_parts = ret;
|
|
+ }
|
|
+ }
|
|
+ } else {
|
|
+ printk(KERN_INFO PFX "assuming RedBoot bootloader\n");
|
|
+ if (bcm963xx_mtd_info->size > 0x00400000) {
|
|
+ printk(KERN_INFO PFX "Support for extended flash memory size : 0x%lx ; ONLY 64MBIT SUPPORT\n", bcm963xx_mtd_info->size);
|
|
+ bcm963xx_map.virt = (u32)(EXTENDED_SIZE);
|
|
+ }
|
|
+
|
|
+#ifdef CONFIG_MTD_REDBOOT_PARTS
|
|
+ if (parsed_nr_parts == 0) {
|
|
+ int ret = parse_redboot_partitions(bcm963xx_mtd_info, &parsed_parts, 0);
|
|
+ if (ret > 0) {
|
|
+ part_type = "RedBoot";
|
|
+ parsed_nr_parts = ret;
|
|
+ }
|
|
+ }
|
|
+#endif
|
|
+ }
|
|
+
|
|
+ return add_mtd_partitions(bcm963xx_mtd_info, parsed_parts, parsed_nr_parts);
|
|
+
|
|
+err_probe:
|
|
+ iounmap(bcm963xx_map.virt);
|
|
+ return err;
|
|
+}
|
|
+
|
|
+static int bcm963xx_remove(struct platform_device *pdev)
|
|
+{
|
|
+ if (bcm963xx_mtd_info) {
|
|
+ del_mtd_partitions(bcm963xx_mtd_info);
|
|
+ map_destroy(bcm963xx_mtd_info);
|
|
+ }
|
|
+
|
|
+ if (bcm963xx_map.virt) {
|
|
+ iounmap(bcm963xx_map.virt);
|
|
+ bcm963xx_map.virt = 0;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct platform_driver bcm63xx_mtd_dev = {
|
|
+ .probe = bcm963xx_probe,
|
|
+ .remove = bcm963xx_remove,
|
|
+ .driver = {
|
|
+ .name = "bcm963xx-flash",
|
|
+ .owner = THIS_MODULE,
|
|
+ },
|
|
+};
|
|
+
|
|
+static int __init bcm963xx_mtd_init(void)
|
|
+{
|
|
+ return platform_driver_register(&bcm63xx_mtd_dev);
|
|
+}
|
|
+
|
|
+static void __exit bcm963xx_mtd_exit(void)
|
|
+{
|
|
+ platform_driver_unregister(&bcm63xx_mtd_dev);
|
|
+}
|
|
+
|
|
+module_init(bcm963xx_mtd_init);
|
|
+module_exit(bcm963xx_mtd_exit);
|
|
+
|
|
+MODULE_LICENSE("GPL");
|
|
+MODULE_DESCRIPTION("Broadcom BCM63xx MTD partition parser/mapping for CFE and RedBoot");
|
|
+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
|
|
+MODULE_AUTHOR("Mike Albon <malbon@openwrt.org>");
|
|
--- /dev/null
|
|
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm_tag.h
|
|
@@ -0,0 +1,178 @@
|
|
+#ifndef __BCM63XX_TAG_H
|
|
+#define __BCM63XX_TAG_H
|
|
+
|
|
+#define IMAGE_LEN 10 /* Length of Length Field */
|
|
+#define ADDRESS_LEN 12 /* Length of Address field */
|
|
+#define TAGID_LEN 6 /* Length of tag ID */
|
|
+#define TAGINFO_LEN 20 /* Length of vendor information field in tag */
|
|
+#define TAGVER_LEN 4 /* Length of Tag Version */
|
|
+#define TAGLAYOUT_LEN 4 /* Length of FlashLayoutVer */
|
|
+
|
|
+#define NUM_TAGID 5
|
|
+#define IMAGETAG_CRC_START 0xFFFFFFFF
|
|
+
|
|
+struct tagiddesc_t {
|
|
+ char tagid[TAGID_LEN + 1];
|
|
+ char tagiddesc[80];
|
|
+};
|
|
+
|
|
+ // bc221 is used by BT Voyager and should be right
|
|
+ // bc310 should be right, and may apply to 3.08 code as well
|
|
+#define TAGID_DEFINITIONS { \
|
|
+ { "bccfe", "Broadcom CFE flash image" }, \
|
|
+ { "bc300", "Broadcom code version 3.00-3.06 and all ftp/tftp flash" }, \
|
|
+ { "ag306", "Alice Gate (Pirelli, based on Broadcom 3.06)" }, \
|
|
+ { "bc221", "Broadcom code version 2.21" }, \
|
|
+ { "bc310", "Broadcom code version 3.10-3.12" }, \
|
|
+}
|
|
+
|
|
+struct bcm_tag_bccfe {
|
|
+ unsigned char tagVersion[TAGVER_LEN]; // 0-3: Version of the image tag
|
|
+ unsigned char sig_1[20]; // 4-23: Company Line 1
|
|
+ unsigned char sig_2[14]; // 24-37: Company Line 2
|
|
+ unsigned char chipid[6]; // 38-43: Chip this image is for
|
|
+ unsigned char boardid[16]; // 44-59: Board name
|
|
+ unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
|
|
+ unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
|
|
+ unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
|
|
+ unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
|
|
+ unsigned char rootAddress[ADDRESS_LEN]; // 94-105: Address in memory of rootfs
|
|
+ unsigned char rootLength[IMAGE_LEN]; // 106-115: Size of rootfs
|
|
+ unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
|
|
+ unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
|
|
+ unsigned char dualImage[2]; // 138-139: Unused at present
|
|
+ unsigned char inactiveFlag[2]; // 140-141: Unused at present
|
|
+ unsigned char information1[TAGINFO_LEN]; // 142-161: Unused at present
|
|
+ unsigned char tagId[TAGID_LEN]; // 162-167: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
|
|
+ unsigned char tagIdCRC[4]; // 168-171: CRC32 of tagId
|
|
+ unsigned char reserved1[44]; // 172-215: Reserved area not in use
|
|
+ unsigned char imageCRC[4]; // 216-219: CRC32 of images
|
|
+ unsigned char reserved2[16]; // 220-235: Unused at present
|
|
+ unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
|
|
+ unsigned char reserved3[16]; // 240-255: Unused at present
|
|
+};
|
|
+
|
|
+struct bcm_tag_bc300 {
|
|
+ unsigned char tagVersion[TAGVER_LEN]; // 0-3: Version of the image tag
|
|
+ unsigned char sig_1[20]; // 4-23: Company Line 1
|
|
+ unsigned char sig_2[14]; // 24-37: Company Line 2
|
|
+ unsigned char chipid[6]; // 38-43: Chip this image is for
|
|
+ unsigned char boardid[16]; // 44-59: Board name
|
|
+ unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
|
|
+ unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
|
|
+ unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
|
|
+ unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
|
|
+ unsigned char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of kernel (start of image)
|
|
+ unsigned char flashRootLength[IMAGE_LEN]; // 106-115: Size of rootfs + deadcode (web flash uses this + kernelLength to determine the size of the kernel+rootfs flash image)
|
|
+ unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
|
|
+ unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
|
|
+ unsigned char dualImage[2]; // 138-139: Unused at present
|
|
+ unsigned char inactiveFlag[2]; // 140-141: Unused at present
|
|
+ unsigned char information1[TAGINFO_LEN]; // 142-161: Unused at present
|
|
+ unsigned char tagId[TAGID_LEN]; // 162-167: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
|
|
+ unsigned char tagIdCRC[4]; // 168-173: CRC32 to ensure validity of tagId
|
|
+ unsigned char rootAddress[ADDRESS_LEN]; // 174-183: Address in memory of rootfs partition
|
|
+ unsigned char rootLength[IMAGE_LEN]; // 184-193: Size of rootfs partition
|
|
+ unsigned char reserved1[22]; // 194-215: Reserved area not in use
|
|
+ unsigned char imageCRC[4]; // 216-219: CRC32 of images
|
|
+ unsigned char reserved2[16]; // 220-235: Unused at present
|
|
+ unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
|
|
+ unsigned char reserved3[16]; // 240-255: Unused at present
|
|
+};
|
|
+
|
|
+struct bcm_tag_ag306 {
|
|
+ unsigned char tagVersion[TAGVER_LEN]; // 0-3: Version of the image tag
|
|
+ unsigned char sig_1[20]; // 4-23: Company Line 1
|
|
+ unsigned char sig_2[14]; // 24-37: Company Line 2
|
|
+ unsigned char chipid[6]; // 38-43: Chip this image is for
|
|
+ unsigned char boardid[16]; // 44-59: Board name
|
|
+ unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
|
|
+ unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
|
|
+ unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
|
|
+ unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
|
|
+ unsigned char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of kernel (start of image)
|
|
+ unsigned char flashRootLength[IMAGE_LEN]; // 106-115: Size of rootfs + deadcode (web flash uses this + kernelLength to determine the size of the kernel+rootfs flash image)
|
|
+ unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
|
|
+ unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
|
|
+ unsigned char dualImage[2]; // 138-139: Unused at present
|
|
+ unsigned char inactiveFlag[2]; // 140-141: Unused at present
|
|
+ unsigned char information1[TAGINFO_LEN]; // 142-161: Unused at present
|
|
+ unsigned char information2[54]; // 162-215: Compilation and related information (not generated/used by OpenWRT)
|
|
+ unsigned char kernelCRC[4] ; // 216-219: CRC32 of images
|
|
+ unsigned char rootAddress[ADDRESS_LEN]; // 220-231: Address in memory of rootfs partition
|
|
+ unsigned char tagIdCRC[4]; // 232-235: Checksum to ensure validity of tagId
|
|
+ unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
|
|
+ unsigned char rootLength[IMAGE_LEN]; // 240-249: Size of rootfs
|
|
+ unsigned char tagId[TAGID_LEN]; // 250-255: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
|
|
+};
|
|
+
|
|
+struct bcm_tag_bc221 {
|
|
+ unsigned char tagVersion[TAGVER_LEN]; // 0-3: Version of the image tag
|
|
+ unsigned char sig_1[20]; // 4-23: Company Line 1
|
|
+ unsigned char sig_2[14]; // 24-37: Company Line 2
|
|
+ unsigned char chipid[6]; // 38-43: Chip this image is for
|
|
+ unsigned char boardid[16]; // 44-59: Board name
|
|
+ unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
|
|
+ unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
|
|
+ unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
|
|
+ unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
|
|
+ unsigned char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of kernel (start of image)
|
|
+ unsigned char flashRootLength[IMAGE_LEN]; // 106-115: Size of rootfs + deadcode (web flash uses this + kernelLength to determine the size of the kernel+rootfs flash image)
|
|
+ unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
|
|
+ unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
|
|
+ unsigned char dualImage[2]; // 138-139: Unused at present
|
|
+ unsigned char inactiveFlag[2]; // 140-141: Unused at present
|
|
+ unsigned char rsa_signature[TAGINFO_LEN]; // 142-161: RSA Signature (unused at present; some vendors may use this)
|
|
+ unsigned char reserved5[2]; // 162-163: Unused at present
|
|
+ unsigned char tagId[TAGID_LEN]; // 164-169: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
|
|
+ unsigned char rootAddress[ADDRESS_LEN]; // 170-181: Address in memory of rootfs partition
|
|
+ unsigned char rootLength[IMAGE_LEN]; // 182-191: Size of rootfs partition
|
|
+ unsigned char flashLayoutVer[4]; // 192-195: Version flash layout
|
|
+ unsigned char fskernelCRC[4]; // 196-199: Guessed to be kernel CRC
|
|
+ unsigned char reserved4[16]; // 200-215: Reserved area; unused at present
|
|
+ unsigned char imageCRC[4]; // 216-219: CRC32 of images
|
|
+ unsigned char reserved2[12]; // 220-231: Unused at present
|
|
+ unsigned char tagIdCRC[4]; // 232-235: CRC32 to ensure validity of tagId
|
|
+ unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
|
|
+ unsigned char reserved3[16]; // 240-255: Unused at present
|
|
+};
|
|
+
|
|
+struct bcm_tag_bc310 {
|
|
+ unsigned char tagVersion[4]; // 0-3: Version of the image tag
|
|
+ unsigned char sig_1[20]; // 4-23: Company Line 1
|
|
+ unsigned char sig_2[14]; // 24-37: Company Line 2
|
|
+ unsigned char chipid[6]; // 38-43: Chip this image is for
|
|
+ unsigned char boardid[16]; // 44-59: Board name
|
|
+ unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
|
|
+ unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
|
|
+ unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
|
|
+ unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
|
|
+ unsigned char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of kernel (start of image)
|
|
+ unsigned char flashRootLength[IMAGE_LEN]; // 106-115: Size of rootfs + deadcode (web flash uses this + kernelLength to determine the size of the kernel+rootfs flash image)
|
|
+ unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
|
|
+ unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
|
|
+ unsigned char dualImage[2]; // 138-139: Unused at present
|
|
+ unsigned char inactiveFlag[2]; // 140-141: Unused at present
|
|
+ unsigned char information1[TAGINFO_LEN]; // 142-161: Unused at present; Some vendors use this for optional information
|
|
+ unsigned char tagId[6]; // 162-167: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
|
|
+ unsigned char tagIdCRC[4]; // 168-171: CRC32 to ensure validity of tagId
|
|
+ unsigned char rootAddress[ADDRESS_LEN]; // 172-183: Address in memory of rootfs partition
|
|
+ unsigned char rootLength[IMAGE_LEN]; // 184-193: Size of rootfs partition
|
|
+ unsigned char reserved1[22]; // 193-215: Reserved area not in use
|
|
+ unsigned char imageCRC[4]; // 216-219: CRC32 of images
|
|
+ unsigned char rootfsCRC[4]; // 220-227: CRC32 of rootfs partition
|
|
+ unsigned char kernelCRC[4]; // 224-227: CRC32 of kernel partition
|
|
+ unsigned char reserved2[8]; // 228-235: Unused at present
|
|
+ unsigned char headerCRC[4]; // 235-239: CRC32 of header excluding tagVersion
|
|
+ unsigned char reserved3[16]; // 240-255: Unused at present
|
|
+};
|
|
+
|
|
+union bcm_tag {
|
|
+ struct bcm_tag_bccfe bccfe;
|
|
+ struct bcm_tag_bc300 bc300;
|
|
+ struct bcm_tag_ag306 ag306;
|
|
+ struct bcm_tag_bc221 bc221;
|
|
+ struct bcm_tag_bc310 bc310;
|
|
+};
|
|
+
|
|
+#endif /* __BCM63XX_TAG_H */
|
|
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
|
|
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
|
|
@@ -722,20 +722,6 @@ static int board_get_mac_address(u8 *mac
|
|
return 0;
|
|
}
|
|
|
|
-static struct mtd_partition mtd_partitions[] = {
|
|
- {
|
|
- .name = "cfe",
|
|
- .offset = 0x0,
|
|
- .size = 0x40000,
|
|
- }
|
|
-};
|
|
-
|
|
-static struct physmap_flash_data flash_data = {
|
|
- .width = 2,
|
|
- .nr_parts = ARRAY_SIZE(mtd_partitions),
|
|
- .parts = mtd_partitions,
|
|
-};
|
|
-
|
|
static struct resource mtd_resources[] = {
|
|
{
|
|
.start = 0, /* filled at runtime */
|
|
@@ -745,12 +731,9 @@ static struct resource mtd_resources[] =
|
|
};
|
|
|
|
static struct platform_device mtd_dev = {
|
|
- .name = "physmap-flash",
|
|
+ .name = "bcm963xx-flash",
|
|
.resource = mtd_resources,
|
|
.num_resources = ARRAY_SIZE(mtd_resources),
|
|
- .dev = {
|
|
- .platform_data = &flash_data,
|
|
- },
|
|
};
|
|
|
|
/*
|