summaryrefslogtreecommitdiffstats
path: root/target/linux/lantiq/patches-3.0/201-owrt-mtd_uimage_split.patch
diff options
context:
space:
mode:
authorJohn Crispin <john@openwrt.org>2011-11-03 15:15:52 +0000
committerJohn Crispin <john@openwrt.org>2011-11-03 15:15:52 +0000
commitea36ad76bcf0043d137da37ea1aee7bded76f5a2 (patch)
treef75ee0417c813ac599e78048c15bdd5f4ffacb82 /target/linux/lantiq/patches-3.0/201-owrt-mtd_uimage_split.patch
parentd8722fac7046020715c41106df28371f3f521132 (diff)
downloadmaster-31e0f0ae-ea36ad76bcf0043d137da37ea1aee7bded76f5a2.tar.gz
master-31e0f0ae-ea36ad76bcf0043d137da37ea1aee7bded76f5a2.tar.bz2
master-31e0f0ae-ea36ad76bcf0043d137da37ea1aee7bded76f5a2.zip
lantiq: bump to 3.1
SVN-Revision: 28721
Diffstat (limited to 'target/linux/lantiq/patches-3.0/201-owrt-mtd_uimage_split.patch')
-rw-r--r--target/linux/lantiq/patches-3.0/201-owrt-mtd_uimage_split.patch116
1 files changed, 0 insertions, 116 deletions
diff --git a/target/linux/lantiq/patches-3.0/201-owrt-mtd_uimage_split.patch b/target/linux/lantiq/patches-3.0/201-owrt-mtd_uimage_split.patch
deleted file mode 100644
index 6c6a45ac04..0000000000
--- a/target/linux/lantiq/patches-3.0/201-owrt-mtd_uimage_split.patch
+++ /dev/null
@@ -1,116 +0,0 @@
---- a/drivers/mtd/Kconfig
-+++ b/drivers/mtd/Kconfig
-@@ -41,6 +41,10 @@ config MTD_ROOTFS_SPLIT
- bool "Automatically split 'rootfs' partition for squashfs"
- default y
-
-+config MTD_UIMAGE_SPLIT
-+ bool "Automatically split 'linux' partition into 'kernel' and 'rootfs'"
-+ default y
-+
- config MTD_REDBOOT_PARTS
- tristate "RedBoot partition table parsing"
- ---help---
---- a/drivers/mtd/mtdpart.c
-+++ b/drivers/mtd/mtdpart.c
-@@ -861,6 +861,82 @@ static int refresh_rootfs_split(struct m
- }
- #endif /* CONFIG_MTD_ROOTFS_SPLIT */
-
-+
-+#ifdef CONFIG_MTD_UIMAGE_SPLIT
-+static unsigned long find_uimage_size(struct mtd_info *mtd,
-+ unsigned long offset)
-+{
-+#define UBOOT_MAGIC 0x56190527
-+ 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) != UBOOT_MAGIC)
-+ return 0;
-+
-+ ret = mtd->read(mtd, offset + 12, 4, &len, (void *)&temp);
-+ if (ret || len != sizeof(temp))
-+ return 0;
-+
-+ return temp + 0x40;
-+}
-+
-+static int detect_squashfs_partition(struct mtd_info *mtd, unsigned long offset)
-+{
-+ unsigned long temp;
-+ size_t len;
-+ int ret;
-+
-+ ret = mtd->read(mtd, offset, 4, &len, (void *)&temp);
-+ if (ret || len != sizeof(temp))
-+ return 0;
-+
-+ return le32_to_cpu(temp) == SQUASHFS_MAGIC;
-+}
-+
-+static int split_uimage(struct mtd_info *mtd,
-+ const struct mtd_partition *part)
-+{
-+ static struct mtd_partition split_partitions[] = {
-+ {
-+ .name = "kernel",
-+ .offset = 0x0,
-+ .size = 0x0,
-+ }, {
-+ .name = "rootfs",
-+ .offset = 0x0,
-+ .size = 0x0,
-+ },
-+ };
-+
-+ split_partitions[0].size = find_uimage_size(mtd, part->offset);
-+ if (!split_partitions[0].size) {
-+ printk(KERN_NOTICE "no uImage found in linux partition\n");
-+ return -1;
-+ }
-+
-+ if (!detect_squashfs_partition(mtd,
-+ part->offset
-+ + split_partitions[0].size)) {
-+ split_partitions[0].size &= ~(mtd->erasesize - 1);
-+ split_partitions[0].size += mtd->erasesize;
-+ }
-+
-+ split_partitions[0].offset = part->offset;
-+ split_partitions[1].offset = part->offset + split_partitions[0].size;
-+ split_partitions[1].size = part->size - split_partitions[0].size;
-+
-+ add_mtd_partitions(mtd, split_partitions, 2);
-+
-+ return 0;
-+}
-+#endif
-+
- /*
- * 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
-@@ -894,6 +970,17 @@ int add_mtd_partitions(struct mtd_info *
-
- add_mtd_device(&slave->mtd);
-
-+#ifdef CONFIG_MTD_UIMAGE_SPLIT
-+ if (!strcmp(parts[i].name, "linux")) {
-+ ret = split_uimage(master, &parts[i]);
-+
-+ if (ret) {
-+ printk(KERN_WARNING
-+ "Can't split linux partition\n");
-+ }
-+ }
-+#endif
-+
- if (!strcmp(parts[i].name, "rootfs")) {
- #ifdef CONFIG_MTD_ROOTFS_ROOT_DEV
- if (ROOT_DEV == 0) {