diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-2.6.28/040-bcm963xx_flashmap.patch')
-rw-r--r-- | target/linux/brcm63xx/patches-2.6.28/040-bcm963xx_flashmap.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-2.6.28/040-bcm963xx_flashmap.patch b/target/linux/brcm63xx/patches-2.6.28/040-bcm963xx_flashmap.patch new file mode 100644 index 000000000..835a801c0 --- /dev/null +++ b/target/linux/brcm63xx/patches-2.6.28/040-bcm963xx_flashmap.patch @@ -0,0 +1,73 @@ +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(-) + +--- a/drivers/mtd/maps/Kconfig ++++ b/drivers/mtd/maps/Kconfig +@@ -257,6 +257,13 @@ config MTD_ALCHEMY + help + Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards + ++config MTD_BCM963XX ++ tristate "BCM963xx Flash device" ++ depends on MIPS && BCM63XX ++ 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 +--- a/drivers/mtd/redboot.c ++++ b/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) + { +@@ -162,6 +162,14 @@ 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; + +@@ -184,9 +192,8 @@ 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_ +--- a/drivers/mtd/maps/Makefile ++++ b/drivers/mtd/maps/Makefile +@@ -61,3 +61,4 @@ obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o + obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o + obj-$(CONFIG_MTD_INTEL_VR_NOR) += intel_vr_nor.o + obj-$(CONFIG_MTD_BFIN_ASYNC) += bfin-async-flash.o ++obj-$(CONFIG_MTD_BCM963XX) += bcm963xx-flash.o |