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-rw-r--r--target/linux/pxa/patches/005-mtd.patch111
1 files changed, 111 insertions, 0 deletions
diff --git a/target/linux/pxa/patches/005-mtd.patch b/target/linux/pxa/patches/005-mtd.patch
new file mode 100644
index 0000000000..6156b6a930
--- /dev/null
+++ b/target/linux/pxa/patches/005-mtd.patch
@@ -0,0 +1,111 @@
+diff -Nurb linux-2.6.17/drivers/mtd/chips/cfi_cmdset_0001.c linux-2.6.17-patched/drivers/mtd/chips/cfi_cmdset_0001.c
+--- linux-2.6.17/drivers/mtd/chips/cfi_cmdset_0001.c 2006-06-17 18:49:35.000000000 -0700
++++ linux-2.6.17-patched/drivers/mtd/chips/cfi_cmdset_0001.c 2006-09-25 11:27:06.000000000 -0700
+@@ -40,7 +40,7 @@
+ /* #define CMDSET0001_DISABLE_WRITE_SUSPEND */
+
+ // debugging, turns off buffer write mode if set to 1
+-#define FORCE_WORD_WRITE 0
++#define FORCE_WORD_WRITE 1
+
+ #define MANUFACTURER_INTEL 0x0089
+ #define I82802AB 0x00ad
+diff -Nurb linux-2.6.17/drivers/mtd/maps/lubbock-flash.c linux-2.6.17-patched/drivers/mtd/maps/lubbock-flash.c
+--- linux-2.6.17/drivers/mtd/maps/lubbock-flash.c 2006-06-17 18:49:35.000000000 -0700
++++ linux-2.6.17-patched/drivers/mtd/maps/lubbock-flash.c 2006-09-25 10:50:08.000000000 -0700
+@@ -26,6 +26,7 @@
+ #include <asm/hardware.h>
+ #include <asm/arch/pxa-regs.h>
+ #include <asm/arch/lubbock.h>
++#include <linux/mtd/concat.h>
+
+
+ #define ROM_ADDR 0x00000000
+@@ -48,24 +49,27 @@
+ .inval_cache = lubbock_map_inval_cache,
+ } };
+
+-static struct mtd_partition lubbock_partitions[] = {
++static struct mtd_partition lubbock_partitions[] =
++{
+ {
+- .name = "Bootloader",
+- .size = 0x00040000,
+- .offset = 0,
+- .mask_flags = MTD_WRITEABLE /* force read-only */
+- },{
+- .name = "Kernel",
+- .size = 0x00100000,
+- .offset = 0x00040000,
+- },{
+- .name = "Filesystem",
+- .size = MTDPART_SIZ_FULL,
+- .offset = 0x00140000
+- }
++ .name = "root",
++ .offset = 0x00410000
++ },
++ {
++ .name = "kernel",
++ .size = 0x00150000,
++ .offset = 0x000B0000
++ },
++ {
++ .name = "bootloader",
++ .size = 0x000B0000,
++ .offset = 0x00000000
++ },
+ };
+
++
+ static struct mtd_info *mymtds[2];
++static struct mtd_info *merged_mtd;
+ static struct mtd_partition *parsed_parts[2];
+ static int nr_parsed_parts[2];
+
+@@ -83,8 +87,8 @@
+ printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
+ flashboot?"Flash":"ROM", flashboot);
+
+- lubbock_maps[flashboot^1].name = "Lubbock Application Flash";
+- lubbock_maps[flashboot].name = "Lubbock Boot ROM";
++ lubbock_maps[flashboot^1].name = "Flash-1";
++ lubbock_maps[flashboot].name = "Flash-0";
+
+ for (i = 0; i < 2; i++) {
+ lubbock_maps[i].virt = ioremap(lubbock_maps[i].phys, WINDOW_SIZE);
+@@ -125,25 +129,23 @@
+ if (!mymtds[0] && !mymtds[1])
+ return ret;
+
+- for (i = 0; i < 2; i++) {
+- if (!mymtds[i]) {
+- printk(KERN_WARNING "%s is absent. Skipping\n", lubbock_maps[i].name);
+- } else if (nr_parsed_parts[i]) {
+- add_mtd_partitions(mymtds[i], parsed_parts[i], nr_parsed_parts[i]);
+- } else if (!i) {
+- printk("Using static partitions on %s\n", lubbock_maps[i].name);
+- add_mtd_partitions(mymtds[i], lubbock_partitions, ARRAY_SIZE(lubbock_partitions));
+- } else {
+- printk("Registering %s as whole device\n", lubbock_maps[i].name);
+- add_mtd_device(mymtds[i]);
+- }
+- }
++ if (mymtds[0] && mymtds[1]) {
++ merged_mtd = mtd_concat_create(mymtds, 2, "Concated Flash #1 and #2");
++ if(merged_mtd)
++ add_mtd_partitions(merged_mtd, lubbock_partitions, ARRAY_SIZE(lubbock_partitions));
++ else
++ printk("YoKu: Failed to concate\n");
+ return 0;
++ }
+ }
+
+ static void __exit cleanup_lubbock(void)
+ {
+ int i;
++
++ del_mtd_partitions(merged_mtd);
++ map_destroy(merged_mtd);
++
+ for (i = 0; i < 2; i++) {