mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 23:12:32 +00:00
138 lines
3.9 KiB
Diff
138 lines
3.9 KiB
Diff
From a4d005c91d403d9f3d0272db6cc46202c06ec774 Mon Sep 17 00:00:00 2001
|
|
From: Axel Gembe <ago@bastart.eu.org>
|
|
Date: Mon, 12 May 2008 18:54:09 +0200
|
|
Subject: [PATCH] bcm963xx: flashmap support
|
|
|
|
Signed-off-by: Axel Gembe <ago@bastart.eu.org>
|
|
---
|
|
arch/mips/bcm63xx/boards/board_bcm963xx.c | 19 +----------------
|
|
drivers/mtd/maps/bcm963xx-flash.c | 32 ++++++++++++++++++++++++----
|
|
drivers/mtd/redboot.c | 13 +++++++++--
|
|
3 files changed, 38 insertions(+), 26 deletions(-)
|
|
|
|
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
|
|
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
|
|
@@ -816,20 +816,6 @@ void __init board_setup(void)
|
|
panic("unexpected CPU for bcm963xx board");
|
|
}
|
|
|
|
-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 */
|
|
@@ -839,12 +825,9 @@ 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,
|
|
- },
|
|
};
|
|
|
|
static struct gpio_led_platform_data bcm63xx_led_data;
|
|
--- a/drivers/mtd/maps/bcm963xx-flash.c
|
|
+++ b/drivers/mtd/maps/bcm963xx-flash.c
|
|
@@ -27,6 +27,8 @@
|
|
#include <linux/vmalloc.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/io.h>
|
|
+#include <linux/magic.h>
|
|
+#include <linux/jffs2.h>
|
|
|
|
#include <asm/mach-bcm63xx/bcm963xx_tag.h>
|
|
|
|
@@ -35,6 +37,14 @@
|
|
|
|
#define PFX KBUILD_MODNAME ": "
|
|
|
|
+struct squashfs_super_block {
|
|
+ __le32 s_magic;
|
|
+ __le32 pad0[9];
|
|
+ __le64 bytes_used;
|
|
+};
|
|
+
|
|
+extern int parse_redboot_partitions(struct mtd_info *master, struct mtd_partition **pparts, unsigned long fis_origin);
|
|
+
|
|
static struct mtd_partition *parsed_parts;
|
|
|
|
static struct mtd_info *bcm963xx_mtd_info;
|
|
@@ -214,9 +224,21 @@ static int bcm963xx_probe(struct platfor
|
|
}
|
|
}
|
|
} else {
|
|
- dev_info(&pdev->dev, "unsupported bootloader\n");
|
|
- err = -ENODEV;
|
|
- goto err_probe;
|
|
+ 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)(BCM63XX_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,
|
|
--- a/drivers/mtd/redboot.c
|
|
+++ b/drivers/mtd/redboot.c
|
|
@@ -57,7 +57,7 @@ static inline int redboot_checksum(struc
|
|
return 1;
|
|
}
|
|
|
|
-static int parse_redboot_partitions(struct mtd_info *master,
|
|
+int parse_redboot_partitions(struct mtd_info *master,
|
|
struct mtd_partition **pparts,
|
|
unsigned long fis_origin)
|
|
{
|
|
@@ -180,6 +180,14 @@ static int parse_redboot_partitions(stru
|
|
goto out;
|
|
}
|
|
|
|
+ if (!fis_origin) {
|
|
+ for (i = 0; i < numslots; i++) {
|
|
+ if (!strncmp(buf[i].name, "RedBoot", 8)) {
|
|
+ fis_origin = (buf[i].flash_base & (master->size << 1) - 1);
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
for (i = 0; i < numslots; i++) {
|
|
struct fis_list *new_fl, **prev;
|
|
|
|
@@ -202,9 +210,8 @@ static int parse_redboot_partitions(stru
|
|
new_fl->img = &buf[i];
|
|
if (fis_origin) {
|
|
buf[i].flash_base -= fis_origin;
|
|
- } else {
|
|
- buf[i].flash_base &= master->size-1;
|
|
}
|
|
+ buf[i].flash_base &= (master->size << 1) - 1;
|
|
|
|
/* I'm sure the JFFS2 code has done me permanent damage.
|
|
* I now think the following is _normal_
|