diff options
Diffstat (limited to 'target/linux/brcm63xx')
| -rw-r--r-- | target/linux/brcm63xx/patches-2.6.25/040-bcm963xx_flashmap.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-2.6.25/040-bcm963xx_flashmap.patch b/target/linux/brcm63xx/patches-2.6.25/040-bcm963xx_flashmap.patch new file mode 100644 index 000000000..193eb323f --- /dev/null +++ b/target/linux/brcm63xx/patches-2.6.25/040-bcm963xx_flashmap.patch @@ -0,0 +1,82 @@ +From e734ace5baa04e0e8af1d4483475fbd6bd2b32a1 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> +--- + drivers/mtd/maps/Kconfig | 7 +++++++ + drivers/mtd/maps/Makefile | 1 + + drivers/mtd/redboot.c | 13 ++++++++++--- + 3 files changed, 18 insertions(+), 3 deletions(-) + +diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig +index 12c2536..38b8d94 100644 +--- a/drivers/mtd/maps/Kconfig ++++ b/drivers/mtd/maps/Kconfig +@@ -262,6 +262,13 @@ 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 +diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile +index a9cbe80..e2c10be 100644 +--- a/drivers/mtd/maps/Makefile ++++ b/drivers/mtd/maps/Makefile +@@ -68,3 +68,4 @@ 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 +diff --git a/drivers/mtd/redboot.c b/drivers/mtd/redboot.c +index 4747490..4f500af 100644 +--- a/drivers/mtd/redboot.c ++++ b/drivers/mtd/redboot.c +@@ -39,7 +39,7 @@ static inline int redboot_checksum(struct fis_image_desc *img) + 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) + { +@@ -161,6 +161,14 @@ static int parse_redboot_partitions(struct mtd_info *master, + 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; + +@@ -183,9 +191,8 @@ static int parse_redboot_partitions(struct mtd_info *master, + 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_ +-- +1.5.5.1 + |