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authorJohn Crispin <john@openwrt.org>2015-08-17 06:23:49 +0000
committerJohn Crispin <john@openwrt.org>2015-08-17 06:23:49 +0000
commita2b38ebf77844460eaf8f4c2496af505e001b49d (patch)
tree95d86b75bb9343ddc5976e647a5492f201cab541
parentcc3747e9e2ec51d45fcf2b18ab0afccfe803f3ce (diff)
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ar71xx: add 64kb bootloader mtd parser for tplinkpart
Signed-off-by: Weijie Gao <hackpascal@gmail.com> This patch adds flash layout parser for TP-Link firmwares which have a 64kb bootloader. This is used for TP-Link TL-WDR6500 v2. SVN-Revision: 46662
-rw-r--r--target/linux/ar71xx/files/drivers/mtd/tplinkpart.c35
1 files changed, 29 insertions, 6 deletions
diff --git a/target/linux/ar71xx/files/drivers/mtd/tplinkpart.c b/target/linux/ar71xx/files/drivers/mtd/tplinkpart.c
index ab952b6..ac1efa1 100644
--- a/target/linux/ar71xx/files/drivers/mtd/tplinkpart.c
+++ b/target/linux/ar71xx/files/drivers/mtd/tplinkpart.c
@@ -18,10 +18,12 @@
#define TPLINK_NUM_PARTS 5
#define TPLINK_HEADER_V1 0x01000000
+#define TPLINK_HEADER_V2 0x02000000
#define MD5SUM_LEN 16
#define TPLINK_ART_LEN 0x10000
#define TPLINK_KERNEL_OFFS 0x20000
+#define TPLINK_64K_KERNEL_OFFS 0x10000
struct tplink_fw_header {
uint32_t version; /* header version */
@@ -70,7 +72,7 @@ tplink_read_header(struct mtd_info *mtd, size_t offset)
/* sanity checks */
t = be32_to_cpu(header->version);
- if (t != TPLINK_HEADER_V1)
+ if ((t != TPLINK_HEADER_V1) && (t != TPLINK_HEADER_V2))
goto err_free_header;
t = be32_to_cpu(header->kernel_ofs);
@@ -106,14 +108,14 @@ static int tplink_check_rootfs_magic(struct mtd_info *mtd, size_t offset)
return 0;
}
-static int tplink_parse_partitions(struct mtd_info *master,
+static int tplink_parse_partitions_offset(struct mtd_info *master,
struct mtd_partition **pparts,
- struct mtd_part_parser_data *data)
+ struct mtd_part_parser_data *data,
+ size_t offset)
{
struct mtd_partition *parts;
struct tplink_fw_header *header;
int nr_parts;
- size_t offset;
size_t art_offset;
size_t rootfs_offset;
size_t squashfs_offset;
@@ -126,8 +128,6 @@ static int tplink_parse_partitions(struct mtd_info *master,
goto err;
}
- offset = TPLINK_KERNEL_OFFS;
-
header = tplink_read_header(master, offset);
if (!header) {
pr_notice("%s: no TP-Link header found\n", master->name);
@@ -180,15 +180,38 @@ err:
return ret;
}
+static int tplink_parse_partitions(struct mtd_info *master,
+ struct mtd_partition **pparts,
+ struct mtd_part_parser_data *data)
+{
+ return tplink_parse_partitions_offset(master, pparts, data,
+ TPLINK_KERNEL_OFFS);
+}
+
+static int tplink_parse_64k_partitions(struct mtd_info *master,
+ struct mtd_partition **pparts,
+ struct mtd_part_parser_data *data)
+{
+ return tplink_parse_partitions_offset(master, pparts, data,
+ TPLINK_64K_KERNEL_OFFS);
+}
+
static struct mtd_part_parser tplink_parser = {
.owner = THIS_MODULE,
.parse_fn = tplink_parse_partitions,
.name = "tp-link",
};
+static struct mtd_part_parser tplink_64k_parser = {
+ .owner = THIS_MODULE,
+ .parse_fn = tplink_parse_64k_partitions,
+ .name = "tp-link-64k",
+};
+
static int __init tplink_parser_init(void)
{
register_mtd_parser(&tplink_parser);
+ register_mtd_parser(&tplink_64k_parser);
return 0;
}