diff options
Diffstat (limited to 'target/linux/ar7/patches-4.9/920-ar7part.patch')
| -rw-r--r-- | target/linux/ar7/patches-4.9/920-ar7part.patch | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/target/linux/ar7/patches-4.9/920-ar7part.patch b/target/linux/ar7/patches-4.9/920-ar7part.patch new file mode 100644 index 0000000000..e520af2083 --- /dev/null +++ b/target/linux/ar7/patches-4.9/920-ar7part.patch @@ -0,0 +1,120 @@ +--- a/drivers/mtd/ar7part.c ++++ b/drivers/mtd/ar7part.c +@@ -30,11 +30,14 @@ + + #include <uapi/linux/magic.h> + ++#include <asm/mach-ar7/prom.h> ++ + #define AR7_PARTS 4 + #define ROOT_OFFSET 0xe0000 + + #define LOADER_MAGIC1 le32_to_cpu(0xfeedfa42) + #define LOADER_MAGIC2 le32_to_cpu(0xfeed1281) ++#define LOADER_MAGIC3 le32_to_cpu(0x434d4d4c) + + struct ar7_bin_rec { + unsigned int checksum; +@@ -42,12 +45,16 @@ struct ar7_bin_rec { + unsigned int address; + }; + ++int create_titan_partitions(struct mtd_info *master, ++ const struct mtd_partition **pparts, ++ struct mtd_part_parser_data *data); ++ + static int create_mtd_partitions(struct mtd_info *master, + const struct mtd_partition **pparts, + struct mtd_part_parser_data *data) + { + struct ar7_bin_rec header; +- unsigned int offset; ++ unsigned int offset, mtd_start, mtd_end; + size_t len; + unsigned int pre_size = master->erasesize, post_size = 0; + unsigned int root_offset = ROOT_OFFSET; +@@ -55,6 +62,16 @@ static int create_mtd_partitions(struct + int retries = 10; + struct mtd_partition *ar7_parts; + ++ const char *prom_str = prom_getenv("ProductID"); ++ char mtd_name[] = "mtd1"; ++ if(prom_str && ++ (strcmp(prom_str, "CYWL")==0 || ++ strcmp(prom_str, "CYWM")==0 || ++ strcmp(prom_str, "CYLM")==0 || ++ strcmp(prom_str, "CYLL")==0)){ ++ return create_titan_partitions(master, pparts, data); ++ } ++ + ar7_parts = kzalloc(sizeof(*ar7_parts) * AR7_PARTS, GFP_KERNEL); + if (!ar7_parts) + return -ENOMEM; +@@ -83,34 +100,39 @@ static int create_mtd_partitions(struct + + pre_size = offset; + +- if (!ar7_parts[1].offset) { +- ar7_parts[1].offset = master->size - master->erasesize; +- post_size = master->erasesize; +- } +- + switch (header.checksum) { +- case LOADER_MAGIC1: +- while (header.length) { +- offset += sizeof(header) + header.length; +- mtd_read(master, offset, sizeof(header), &len, +- (uint8_t *)&header); +- } +- root_offset = offset + sizeof(header) + 4; +- break; + case LOADER_MAGIC2: ++ for (retries = 0; retries <= 9; retries++) { ++ mtd_name[3] = '0' + retries; ++ prom_str = prom_getenv(mtd_name); ++ if (prom_str == NULL) ++ continue; ++ sscanf(prom_str, "%i,%i", &mtd_start, &mtd_end); ++ if (pre_size == (mtd_start & 0x1ffffff)) { ++ ar7_parts[1].offset = mtd_end &= 0x1ffffff; ++ ar7_parts[1].size = post_size = master->size - mtd_end; ++ break; ++ } ++ } ++ case LOADER_MAGIC1: ++ root_offset = (header.checksum == LOADER_MAGIC1) ? 4 : 0; + while (header.length) { + offset += sizeof(header) + header.length; + mtd_read(master, offset, sizeof(header), &len, + (uint8_t *)&header); + } +- root_offset = offset + sizeof(header) + 4 + 0xff; +- root_offset &= ~(uint32_t)0xff; ++ root_offset += offset + sizeof(header); + break; + default: + printk(KERN_WARNING "Unknown magic: %08x\n", header.checksum); + break; + } + ++ if (!ar7_parts[1].offset) { ++ post_size = master->erasesize; ++ ar7_parts[1].offset = master->size - post_size; ++ } ++ + mtd_read(master, root_offset, sizeof(header), &len, (u8 *)&header); + if (header.checksum != SQUASHFS_MAGIC) { + root_offset += master->erasesize - 1; +--- a/drivers/mtd/titanpart.c ++++ b/drivers/mtd/titanpart.c +@@ -148,8 +148,8 @@ static void titan_add_partition(char * e + + } + int create_titan_partitions(struct mtd_info *master, +- struct mtd_partition **pparts, +- unsigned long origin) ++ const struct mtd_partition **pparts, ++ struct mtd_part_parser_data *data) + { + struct nsp_img_hdr_head hdr; + struct nsp_img_hdr_section_info sect_info; |