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-rw-r--r--target/linux/ar71xx/files/drivers/mtd/wrt160nl_part.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/target/linux/ar71xx/files/drivers/mtd/wrt160nl_part.c b/target/linux/ar71xx/files/drivers/mtd/wrt160nl_part.c
index c8233ce59a..eabb47e029 100644
--- a/target/linux/ar71xx/files/drivers/mtd/wrt160nl_part.c
+++ b/target/linux/ar71xx/files/drivers/mtd/wrt160nl_part.c
@@ -78,6 +78,10 @@ struct wrt160nl_header {
static struct mtd_partition trx_parts[TRX_PARTS];
+#define WRT160NL_UBOOT_LEN 0x40000
+#define WRT160NL_ART_LEN 0x10000
+#define WRT160NL_NVRAM_LEN 0x10000
+
static int wrt160nl_parse_partitions(struct mtd_info *master,
struct mtd_partition **pparts,
unsigned long origin)
@@ -87,6 +91,9 @@ static int wrt160nl_parse_partitions(struct mtd_info *master,
struct uimage_header *uheader;
size_t retlen;
unsigned int kernel_len;
+ unsigned int uboot_len = max(master->erasesize, WRT160NL_UBOOT_LEN);
+ unsigned int nvram_len = max(master->erasesize, WRT160NL_NVRAM_LEN);
+ unsigned int art_len = max(master->erasesize, WRT160NL_ART_LEN);
int ret;
header = vmalloc(sizeof(*header));
@@ -95,7 +102,7 @@ static int wrt160nl_parse_partitions(struct mtd_info *master,
goto out;
}
- ret = master->read(master, 4 * master->erasesize, sizeof(*header),
+ ret = master->read(master, uboot_len, sizeof(*header),
&retlen, (void *) header);
if (ret)
goto free_hdr;
@@ -128,7 +135,7 @@ static int wrt160nl_parse_partitions(struct mtd_info *master,
trx_parts[0].name = "u-boot";
trx_parts[0].offset = 0;
- trx_parts[0].size = 4 * master->erasesize;
+ trx_parts[0].size = uboot_len;
trx_parts[0].mask_flags = MTD_WRITEABLE;
trx_parts[1].name = "kernel";
@@ -138,23 +145,23 @@ static int wrt160nl_parse_partitions(struct mtd_info *master,
trx_parts[2].name = "rootfs";
trx_parts[2].offset = trx_parts[1].offset + trx_parts[1].size;
- trx_parts[2].size = master->size - 6 * master->erasesize -
+ trx_parts[2].size = master->size - uboot_len - nvram_len - art_len -
trx_parts[1].size;
trx_parts[2].mask_flags = 0;
trx_parts[3].name = "nvram";
- trx_parts[3].offset = master->size - 2 * master->erasesize;
- trx_parts[3].size = master->erasesize;
+ trx_parts[3].offset = master->size - nvram_len - art_len;
+ trx_parts[3].size = nvram_len;
trx_parts[3].mask_flags = MTD_WRITEABLE;
trx_parts[4].name = "art";
- trx_parts[4].offset = master->size - master->erasesize;
- trx_parts[4].size = master->erasesize;
+ trx_parts[4].offset = master->size - art_len;
+ trx_parts[4].size = art_len;
trx_parts[4].mask_flags = MTD_WRITEABLE;
trx_parts[5].name = "firmware";
- trx_parts[5].offset = 4 * master->erasesize;
- trx_parts[5].size = master->size - 6 * master->erasesize;
+ trx_parts[5].offset = uboot_len;
+ trx_parts[5].size = master->size - uboot_len - nvram_len - art_len;
trx_parts[5].mask_flags = 0;
*pparts = trx_parts;