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authorFelix Fietkau <nbd@openwrt.org>2008-05-18 17:31:02 +0000
committerFelix Fietkau <nbd@openwrt.org>2008-05-18 17:31:02 +0000
commit17d20bb0161d26c524f77941484086cdd1b443f6 (patch)
tree3b3b3f1bfa8a64660e0e86b43758231b270de2f8 /target/linux/brcm63xx
parentda18b98cffdd3ecf0dc42aa2bffc181bd32a375f (diff)
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bcm963xx: flashmap support
Signed-off-by: Axel Gembe <ago@bastart.eu.org> SVN-Revision: 11176
Diffstat (limited to 'target/linux/brcm63xx')
-rw-r--r--target/linux/brcm63xx/patches-2.6.25/040-bcm963xx_flashmap.patch82
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 0000000..193eb32
--- /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
+