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lantiq: make the split patch recognize the tplink header

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Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 37721
This commit is contained in:
John Crispin 2013-08-06 12:31:20 +00:00
parent 7f2eaac407
commit 5001afdc37
1 changed files with 43 additions and 16 deletions
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59
target/linux/lantiq/patches-3.8/0041-owrt-mtd-split.patch
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@ -10,9 +10,11 @@ Subject: [PATCH 19/25] owrt mtd split
drivers/mtd/mtdpart.c | 173 +++++++++++++++++++- drivers/mtd/mtdpart.c | 173 +++++++++++++++++++-
4 files changed, 184 insertions(+), 1 deletions(-) 4 files changed, 184 insertions(+), 1 deletions(-)
--- a/drivers/mtd/Kconfig Index: linux-3.8.13/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig ===================================================================
@@ -31,6 +31,10 @@ config MTD_ROOTFS_SPLIT --- linux-3.8.13.orig/drivers/mtd/Kconfig 2013-08-04 19:55:18.499988719 +0200
+++ linux-3.8.13/drivers/mtd/Kconfig 2013-08-04 19:55:22.599988819 +0200
@@ -31,6 +31,10 @@
bool "Automatically split 'rootfs' partition for squashfs" bool "Automatically split 'rootfs' partition for squashfs"
default y default y
@ -23,9 +25,11 @@ Subject: [PATCH 19/25] owrt mtd split
config MTD_REDBOOT_PARTS config MTD_REDBOOT_PARTS
tristate "RedBoot partition table parsing" tristate "RedBoot partition table parsing"
---help--- ---help---
--- a/drivers/mtd/mtdpart.c Index: linux-3.8.13/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c ===================================================================
@@ -833,6 +833,168 @@ static int refresh_rootfs_split(struct m --- linux-3.8.13.orig/drivers/mtd/mtdpart.c 2013-08-04 19:55:18.791988726 +0200
+++ linux-3.8.13/drivers/mtd/mtdpart.c 2013-08-06 13:39:13.212319144 +0200
@@ -833,6 +833,191 @@
} }
#endif /* CONFIG_MTD_ROOTFS_SPLIT */ #endif /* CONFIG_MTD_ROOTFS_SPLIT */
@ -53,6 +57,29 @@ Subject: [PATCH 19/25] owrt mtd split
+ return temp + 0x40; + return temp + 0x40;
+} +}
+ +
+static unsigned long find_tplink_size(struct mtd_info *mtd,
+ unsigned long offset)
+{
+#define TPLINK_MAGIC 0x00000002
+ unsigned long magic = 0;
+ unsigned long temp;
+ size_t len;
+ int ret;
+
+ ret = mtd_read(mtd, offset, 4, &len, (void *)&magic);
+ if (ret || len != sizeof(magic))
+ return 0;
+
+ if (le32_to_cpu(magic) != TPLINK_MAGIC)
+ return 0;
+
+ ret = mtd_read(mtd, offset + 0x78, 4, &len, (void *)&temp);
+ if (ret || len != sizeof(temp))
+ return 0;
+
+ return temp + 0x200;
+}
+
+static unsigned long find_eva_size(struct mtd_info *mtd, +static unsigned long find_eva_size(struct mtd_info *mtd,
+ unsigned long offset) + unsigned long offset)
+{ +{
@ -156,15 +183,15 @@ Subject: [PATCH 19/25] owrt mtd split
+ }; + };
+ +
+ split_partitions[0].size = find_uimage_size(mtd, part->offset); + split_partitions[0].size = find_uimage_size(mtd, part->offset);
+ if (!split_partitions[0].size) { + if (!split_partitions[0].size)
+ split_partitions[0].size = find_eva_size(mtd, part->offset); + split_partitions[0].size = find_eva_size(mtd, part->offset);
+ if (!split_partitions[0].size) { + if (!split_partitions[0].size)
+ split_partitions[0].size = find_brnimage_size(mtd, part->offset); + split_partitions[0].size = find_brnimage_size(mtd, part->offset);
+ if (!split_partitions[0].size) { + if (!split_partitions[0].size)
+ printk(KERN_NOTICE "no uImage or brnImage or eva found in linux partition\n"); + split_partitions[0].size = find_tplink_size(mtd, part->offset);
+ return -1; + if (!split_partitions[0].size) {
+ } + printk(KERN_NOTICE "no uImage or brnImage or eva found in linux partition\n");
+ } + return -1;
+ } + }
+ +
+ if (detect_eva_squashfs_partition(mtd, + if (detect_eva_squashfs_partition(mtd,
@ -194,7 +221,7 @@ Subject: [PATCH 19/25] owrt mtd split
/* /*
* This function, given a master MTD object and a partition table, creates * This function, given a master MTD object and a partition table, creates
* and registers slave MTD objects which are bound to the master according to * and registers slave MTD objects which are bound to the master according to
@@ -849,7 +1011,7 @@ int add_mtd_partitions(struct mtd_info * @@ -849,7 +1034,7 @@
struct mtd_part *slave; struct mtd_part *slave;
uint64_t cur_offset = 0; uint64_t cur_offset = 0;
int i; int i;
@ -203,7 +230,7 @@ Subject: [PATCH 19/25] owrt mtd split
int ret; int ret;
#endif #endif
@@ -866,6 +1028,15 @@ int add_mtd_partitions(struct mtd_info * @@ -866,6 +1051,15 @@
add_mtd_device(&slave->mtd); add_mtd_device(&slave->mtd);