Openwrt/target/linux/brcm63xx/patches/040-bcm963xx_flashmap.patch

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Index: linux-2.6.24.7/drivers/mtd/maps/Kconfig
===================================================================
--- linux-2.6.24.7.orig/drivers/mtd/maps/Kconfig
+++ linux-2.6.24.7/drivers/mtd/maps/Kconfig
@@ -269,6 +269,13 @@ config MTD_MTX1
Flash memory access on 4G Systems MTX-1 Board. If you have one of
these boards and would like to use the flash chips on it, say 'Y'.
+config MTD_BCM963XX
+ tristate "BCM963xx Flash device"
+ depends on MIPS && BCM963XX
+ help
+ Flash memory access on BCM963xx boards. Currently only works with
+ RedBoot and CFE.
+
config MTD_DILNETPC
tristate "CFI Flash device mapped on DIL/Net PC"
depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT
Index: linux-2.6.24.7/drivers/mtd/redboot.c
===================================================================
--- linux-2.6.24.7.orig/drivers/mtd/redboot.c
+++ linux-2.6.24.7/drivers/mtd/redboot.c
@@ -39,7 +39,7 @@ 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)
{
@@ -146,6 +146,14 @@ 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;
@@ -168,9 +176,8 @@ 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_
Index: linux-2.6.24.7/drivers/mtd/maps/Makefile
===================================================================
--- linux-2.6.24.7.orig/drivers/mtd/maps/Makefile
+++ linux-2.6.24.7/drivers/mtd/maps/Makefile
@@ -69,3 +69,4 @@ obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o
obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o
obj-$(CONFIG_MTD_MTX1) += mtx-1_flash.o
obj-$(CONFIG_MTD_INTEL_VR_NOR) += intel_vr_nor.o
+obj-$(CONFIG_MTD_BCM963XX) += bcm963xx-flash.o