openwrt-owl/target/linux/brcm63xx-2.6/patches/040-bcm963xx_flashmap.patch

64 lines
2.4 KiB
Diff

diff -urN linux-2.6.19/drivers/mtd/maps/Kconfig linux-2.6.19.new/drivers/mtd/maps/Kconfig
--- linux-2.6.19/drivers/mtd/maps/Kconfig 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/drivers/mtd/maps/Kconfig 2006-12-18 17:21:07.000000000 +0100
@@ -224,6 +224,13 @@
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 -urN linux-2.6.19/drivers/mtd/maps/Makefile linux-2.6.19.new/drivers/mtd/maps/Makefile
--- linux-2.6.19/drivers/mtd/maps/Makefile 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/drivers/mtd/maps/Makefile 2006-12-18 17:21:07.000000000 +0100
@@ -70,3 +70,4 @@
obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o
obj-$(CONFIG_MTD_MTX1) += mtx-1_flash.o
obj-$(CONFIG_MTD_TQM834x) += tqm834x.o
+obj-$(CONFIG_MTD_BCM963XX) += bcm963xx-flash.o
diff -urN linux-2.6.19/drivers/mtd/redboot.c linux-2.6.19.new/drivers/mtd/redboot.c
--- linux-2.6.19/drivers/mtd/redboot.c 2006-12-18 17:09:14.000000000 +0100
+++ linux-2.6.19.new/drivers/mtd/redboot.c 2006-12-18 17:14:26.000000000 +0100
@@ -39,7 +39,7 @@
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)
{
@@ -132,6 +132,14 @@
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;
@@ -154,9 +162,8 @@
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_