mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-05 15:18:05 +02:00
e58dc6f93a
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34154 3c298f89-4303-0410-b956-a3cf2f4a3e73
119 lines
3.4 KiB
Diff
119 lines
3.4 KiB
Diff
--- a/drivers/mtd/ar7part.c
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+++ b/drivers/mtd/ar7part.c
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@@ -29,11 +29,14 @@
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#include <linux/magic.h>
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#include <linux/module.h>
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+#include <asm/mach-ar7/prom.h>
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+
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#define AR7_PARTS 4
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#define ROOT_OFFSET 0xe0000
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#define LOADER_MAGIC1 le32_to_cpu(0xfeedfa42)
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#define LOADER_MAGIC2 le32_to_cpu(0xfeed1281)
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+#define LOADER_MAGIC3 le32_to_cpu(0x434d4d4c)
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#ifndef SQUASHFS_MAGIC
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#define SQUASHFS_MAGIC 0x73717368
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@@ -45,12 +48,16 @@ struct ar7_bin_rec {
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unsigned int address;
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};
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+int create_titan_partitions(struct mtd_info *master,
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+ struct mtd_partition **pparts,
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+ struct mtd_part_parser_data *data);
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+
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static int create_mtd_partitions(struct mtd_info *master,
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struct mtd_partition **pparts,
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struct mtd_part_parser_data *data)
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{
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struct ar7_bin_rec header;
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- unsigned int offset;
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+ unsigned int offset, mtd_start, mtd_end;
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size_t len;
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unsigned int pre_size = master->erasesize, post_size = 0;
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unsigned int root_offset = ROOT_OFFSET;
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@@ -58,6 +65,16 @@ static int create_mtd_partitions(struct
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int retries = 10;
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struct mtd_partition *ar7_parts;
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+ const char *prom_str = prom_getenv("ProductID");
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+ char mtd_name[] = "mtd1";
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+ if(prom_str &&
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+ (strcmp(prom_str, "CYWL")==0 ||
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+ strcmp(prom_str, "CYWM")==0 ||
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+ strcmp(prom_str, "CYLM")==0 ||
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+ strcmp(prom_str, "CYLL")==0)){
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+ return create_titan_partitions(master, pparts, data);
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+ }
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+
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ar7_parts = kzalloc(sizeof(*ar7_parts) * AR7_PARTS, GFP_KERNEL);
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if (!ar7_parts)
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return -ENOMEM;
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@@ -86,34 +103,39 @@ static int create_mtd_partitions(struct
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pre_size = offset;
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- if (!ar7_parts[1].offset) {
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- ar7_parts[1].offset = master->size - master->erasesize;
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- post_size = master->erasesize;
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- }
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-
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switch (header.checksum) {
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- case LOADER_MAGIC1:
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- while (header.length) {
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- offset += sizeof(header) + header.length;
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- mtd_read(master, offset, sizeof(header), &len,
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- (uint8_t *)&header);
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- }
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- root_offset = offset + sizeof(header) + 4;
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- break;
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case LOADER_MAGIC2:
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+ for (retries = 0; retries <= 9; retries++) {
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+ mtd_name[3] = '0' + retries;
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+ prom_str = prom_getenv(mtd_name);
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+ if (prom_str == NULL)
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+ continue;
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+ sscanf(prom_str, "%i,%i", &mtd_start, &mtd_end);
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+ if (pre_size == (mtd_start & 0x1ffffff)) {
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+ ar7_parts[1].offset = mtd_end &= 0x1ffffff;
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+ ar7_parts[1].size = post_size = master->size - mtd_end;
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+ break;
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+ }
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+ }
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+ case LOADER_MAGIC1:
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+ root_offset = (header.checksum == LOADER_MAGIC1) ? 4 : 0;
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while (header.length) {
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offset += sizeof(header) + header.length;
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mtd_read(master, offset, sizeof(header), &len,
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(uint8_t *)&header);
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}
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- root_offset = offset + sizeof(header) + 4 + 0xff;
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- root_offset &= ~(uint32_t)0xff;
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+ root_offset += offset + sizeof(header);
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break;
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default:
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printk(KERN_WARNING "Unknown magic: %08x\n", header.checksum);
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break;
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}
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+ if (!ar7_parts[1].offset) {
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+ post_size = master->erasesize;
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+ ar7_parts[1].offset = master->size - post_size;
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+ }
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+
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mtd_read(master, root_offset, sizeof(header), &len, (u8 *)&header);
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if (header.checksum != SQUASHFS_MAGIC) {
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root_offset += master->erasesize - 1;
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--- a/drivers/mtd/titanpart.c
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+++ b/drivers/mtd/titanpart.c
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@@ -149,7 +149,7 @@ static void titan_add_partition(char * e
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}
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int create_titan_partitions(struct mtd_info *master,
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struct mtd_partition **pparts,
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- unsigned long origin)
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+ struct mtd_part_parser_data *data)
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{
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struct nsp_img_hdr_head hdr;
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struct nsp_img_hdr_section_info sect_info;
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