diff options
Diffstat (limited to 'target/linux/lantiq/patches-4.1/0101-mtd-split.patch')
| -rw-r--r-- | target/linux/lantiq/patches-4.1/0101-mtd-split.patch | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/target/linux/lantiq/patches-4.1/0101-mtd-split.patch b/target/linux/lantiq/patches-4.1/0101-mtd-split.patch deleted file mode 100644 index e3c363307a..0000000000 --- a/target/linux/lantiq/patches-4.1/0101-mtd-split.patch +++ /dev/null @@ -1,192 +0,0 @@ ---- a/arch/mips/lantiq/xway/Makefile -+++ b/arch/mips/lantiq/xway/Makefile -@@ -1,6 +1,6 @@ - obj-y := prom.o sysctrl.o clk.o reset.o dma.o timer.o dcdc.o - --obj-y += vmmc.o tffs.o -+obj-y += vmmc.o tffs.o mtd_split.o - - obj-y += eth_mac.o - obj-$(CONFIG_PCI) += ath_eep.o rt_eep.o pci-ath-fixup.o ---- /dev/null -+++ b/arch/mips/lantiq/xway/mtd_split.c -@@ -0,0 +1,129 @@ -+#include <linux/magic.h> -+#include <linux/root_dev.h> -+#include <linux/mtd/mtd.h> -+#include <linux/mtd/partitions.h> -+ -+#define ROOTFS_SPLIT_NAME "rootfs_data" -+ -+struct squashfs_super_block { -+ __le32 s_magic; -+ __le32 pad0[9]; -+ __le64 bytes_used; -+}; -+ -+static void split_brnimage_kernel(struct mtd_info *master, const char *name, -+ int offset, int size) -+{ -+ unsigned long buf[4]; -+ // Assume at most 2MB of kernel image -+ unsigned long end = offset + (2 << 20); -+ unsigned long part_size = offset + 0x400 - 12; -+ size_t len; -+ int ret; -+ -+ if (strcmp(name, "firmware") != 0) -+ return; -+ while (part_size < end) { -+ long size_min = part_size - 0x400 - 12 - offset; -+ long size_max = part_size + 12 - offset; -+ ret = mtd_read(master, part_size, 16, &len, (void *)buf); -+ if (ret || len != 16) -+ return; -+ -+ if (le32_to_cpu(buf[0]) < size_min || -+ le32_to_cpu(buf[0]) > size_max) { -+ part_size += 0x400; -+ continue; -+ } -+ -+ if (le32_to_cpu(buf[3]) == SQUASHFS_MAGIC) { -+ part_size += 12 - offset; -+ __mtd_add_partition(master, "rootfs", offset + part_size, -+ size - part_size, false); -+ return; -+ } -+ part_size += 0x400; -+ } -+} -+ -+static void split_eva_kernel(struct mtd_info *master, const char *name, -+ int offset, int size) -+{ -+#define EVA_MAGIC 0xfeed1281 -+ unsigned long magic = 0; -+ unsigned long part_size = 0, p; -+ size_t len; -+ int ret; -+ -+ if (strcmp(name, CONFIG_MTD_SPLIT_FIRMWARE_NAME) != 0) -+ return; -+ -+ ret = mtd_read(master, offset, 4, &len, (void *)&magic); -+ if (ret || len != sizeof(magic)) -+ return; -+ -+ if (le32_to_cpu(magic) != EVA_MAGIC) -+ return; -+ -+ ret = mtd_read(master, offset + 4, 4, &len, (void *)&part_size); -+ if (ret || len != sizeof(part_size)) -+ return; -+ -+ p = part_size = le32_to_cpu(part_size) + 0x18; -+ p &= ~0xffff; -+ p += 0x10000; -+ -+ ret = mtd_read(master, offset + p, 4, &len, (void *)&magic); -+ if (ret || len != sizeof(magic)) -+ return; -+ -+ if (magic == SQUASHFS_MAGIC) -+ part_size = p + 0x100; -+ else -+ part_size = mtd_pad_erasesize(master, offset, len); -+ -+ if (part_size + master->erasesize > size) -+ return; -+ -+ __mtd_add_partition(master, "rootfs", offset + part_size, -+ size - part_size, false); -+} -+ -+static void split_tplink_kernel(struct mtd_info *master, const char *name, -+ int offset, int size) -+{ -+#define TPLINK_MAGIC 0x00000002 -+ unsigned long magic = 0; -+ unsigned long part_size = 0; -+ size_t len; -+ int ret; -+ -+ if (strcmp(name, CONFIG_MTD_SPLIT_FIRMWARE_NAME) != 0) -+ return; -+ -+ ret = mtd_read(master, offset, 4, &len, (void *)&magic); -+ if (ret || len != sizeof(magic)) -+ return; -+ -+ if (le32_to_cpu(magic) != TPLINK_MAGIC) -+ return; -+ -+ ret = mtd_read(master, offset + 0x78, 4, &len, (void *)&part_size); -+ if (ret || len != sizeof(part_size)) -+ return; -+ -+ part_size = be32_to_cpu(part_size) + 0x200; -+ if (part_size + master->erasesize > size) -+ return; -+ -+ __mtd_add_partition(master, "rootfs", offset + part_size, -+ size - part_size, false); -+} -+ -+void arch_split_mtd_part(struct mtd_info *master, const char *name, -+ int offset, int size) -+{ -+ split_tplink_kernel(master, name, offset, size); -+ split_eva_kernel(master, name, offset, size); -+ split_brnimage_kernel(master, name, offset, size); -+} ---- a/include/linux/mtd/partitions.h -+++ b/include/linux/mtd/partitions.h -@@ -89,12 +89,17 @@ extern void deregister_mtd_parser(struct - int mtd_is_partition(const struct mtd_info *mtd); - int mtd_add_partition(struct mtd_info *master, const char *name, - long long offset, long long length); -+int __mtd_add_partition(struct mtd_info *master, const char *name, -+ long long offset, long long length, bool dup_check); -+ - int mtd_del_partition(struct mtd_info *master, int partno); - struct mtd_info *mtdpart_get_master(const struct mtd_info *mtd); - uint64_t mtdpart_get_offset(const struct mtd_info *mtd); - uint64_t mtd_get_device_size(const struct mtd_info *mtd); --extern void __weak arch_split_mtd_part(struct mtd_info *master, -- const char *name, int offset, int size); -+void __weak arch_split_mtd_part(struct mtd_info *master, -+ const char *name, int offset, int size); -+unsigned long -+mtd_pad_erasesize(struct mtd_info *mtd, int offset, int len); - - int parse_mtd_partitions_by_type(struct mtd_info *master, - enum mtd_parser_type type, ---- a/drivers/mtd/mtdpart.c -+++ b/drivers/mtd/mtdpart.c -@@ -659,7 +659,7 @@ static int mtd_add_partition_attrs(struc - } - - --static int -+int - __mtd_add_partition(struct mtd_info *master, const char *name, - long long offset, long long length, bool dup_check) - { -@@ -763,7 +763,7 @@ run_parsers_by_type(struct mtd_part *sla - return nr_parts; - } - --static inline unsigned long -+unsigned long - mtd_pad_erasesize(struct mtd_info *mtd, int offset, int len) - { - unsigned long mask = mtd->erasesize - 1; -@@ -792,7 +792,6 @@ static void split_uimage(struct mtd_info - return; - - len = be32_to_cpu(hdr.size) + 0x40; -- len = mtd_pad_erasesize(master, part->offset, len); - if (len + master->erasesize > part->mtd.size) - return; - |