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authorclaudio <claudio@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-05-09 13:15:16 +0000
committerclaudio <claudio@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-05-09 13:15:16 +0000
commit0a359982df3443a800795f19a2c1cb6cf86c2c17 (patch)
tree77347c2fbd27d74aa93873358ca4b2812272f4d4 /target/linux/etrax/patches-2.6.30/201-flashsize.patch
parentc40cdb09d0f07be06c5e53a3d83be5e560a83af2 (diff)
[etrax] add patches for 2.6.30, remove config-default
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15743 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/etrax/patches-2.6.30/201-flashsize.patch')
-rw-r--r--target/linux/etrax/patches-2.6.30/201-flashsize.patch88
1 files changed, 88 insertions, 0 deletions
diff --git a/target/linux/etrax/patches-2.6.30/201-flashsize.patch b/target/linux/etrax/patches-2.6.30/201-flashsize.patch
new file mode 100644
index 0000000000..42a467f749
--- /dev/null
+++ b/target/linux/etrax/patches-2.6.30/201-flashsize.patch
@@ -0,0 +1,88 @@
+--- a/arch/cris/arch-v10/drivers/axisflashmap.c
++++ b/arch/cris/arch-v10/drivers/axisflashmap.c
+@@ -113,7 +113,7 @@ static struct map_info map_cse1 = {
+
+ /* If no partition-table was found, we use this default-set. */
+ #define MAX_PARTITIONS 7
+-#define NUM_DEFAULT_PARTITIONS 3
++#define NUM_DEFAULT_PARTITIONS 2
+
+ /*
+ * Default flash size is 2MB. CONFIG_ETRAX_PTABLE_SECTOR is most likely the
+@@ -122,19 +122,14 @@ static struct map_info map_cse1 = {
+ */
+ static struct mtd_partition axis_default_partitions[NUM_DEFAULT_PARTITIONS] = {
+ {
+- .name = "boot firmware",
+- .size = CONFIG_ETRAX_PTABLE_SECTOR,
+- .offset = 0
+- },
+- {
+ .name = "kernel",
+- .size = 0x200000 - (6 * CONFIG_ETRAX_PTABLE_SECTOR),
+- .offset = CONFIG_ETRAX_PTABLE_SECTOR
++ .size = 0x00,
++ .offset = 0
+ },
+ {
+- .name = "filesystem",
+- .size = 5 * CONFIG_ETRAX_PTABLE_SECTOR,
+- .offset = 0x200000 - (5 * CONFIG_ETRAX_PTABLE_SECTOR)
++ .name = "rootfs",
++ .size = 0x200000,
++ .offset = 0x200000
+ }
+ };
+
+@@ -281,6 +276,11 @@ static int __init init_axis_flash(void)
+ struct partitiontable_entry *ptable;
+ int use_default_ptable = 1; /* Until proven otherwise. */
+ const char pmsg[] = " /dev/flash%d at 0x%08x, size 0x%08x\n";
++ unsigned int kernel_part_size = 0;
++ unsigned char *flash_mem = (unsigned char*)(FLASH_CACHED_ADDR);
++ unsigned int flash_scan_count = 0;
++ const char *part_magic = "ACME_PART_MAGIC";
++ unsigned int magic_len = strlen(part_magic);
+
+ if (!(mymtd = flash_probe())) {
+ /* There's no reason to use this module if no flash chip can
+@@ -293,6 +293,31 @@ static int __init init_axis_flash(void)
+ axisflash_mtd = mymtd;
+ }
+
++ /* scan flash to findout where out partition starts */
++
++ printk(KERN_INFO "Scanning flash for end of kernel magic\n");
++ for(flash_scan_count = 0; flash_scan_count < 100000; flash_scan_count++) {
++ if(strncmp(&flash_mem[flash_scan_count], part_magic, magic_len - 1) == 0) {
++ kernel_part_size = flash_mem[flash_scan_count + magic_len ];
++ kernel_part_size <<= 8;
++ kernel_part_size += flash_mem[flash_scan_count + magic_len + 2];
++ kernel_part_size <<= 8;
++ kernel_part_size += flash_mem[flash_scan_count + magic_len + 1];
++ kernel_part_size <<= 8;
++ kernel_part_size += flash_mem[flash_scan_count + magic_len + 3];
++ printk(KERN_INFO "Kernel ends at 0x%.08X\n", kernel_part_size);
++ flash_scan_count = 1100000;
++ }
++ }
++
++
++ if(kernel_part_size){
++ kernel_part_size = (kernel_part_size & 0xffff0000);
++ axis_default_partitions[0].size = kernel_part_size;
++ axis_default_partitions[1].size = mymtd->size - axis_default_partitions[0].size;
++ axis_default_partitions[1].offset = axis_default_partitions[0].size;
++ }
++
+ if (mymtd) {
+ mymtd->owner = THIS_MODULE;
+ ptable_head = (struct partitiontable_head *)(FLASH_CACHED_ADDR +
+--- a/arch/cris/arch-v10/lib/hw_settings.S
++++ b/arch/cris/arch-v10/lib/hw_settings.S
+@@ -60,3 +60,5 @@
+ .dword R_PORT_PB_SET
+ .dword PB_SET_VALUE
+ .dword 0 ; No more register values
++ .ascii "ACME_PART_MAGIC"
++ .dword 0xdeadc0de