diff options
Diffstat (limited to 'target/linux/generic')
3 files changed, 144 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.14/048-mtd-bcm47xxpart-backports-from-3.16.patch b/target/linux/generic/patches-3.14/048-mtd-bcm47xxpart-backports-from-3.16.patch new file mode 100644 index 0000000..540db6f --- /dev/null +++ b/target/linux/generic/patches-3.14/048-mtd-bcm47xxpart-backports-from-3.16.patch @@ -0,0 +1,59 @@ +--- a/drivers/mtd/Kconfig ++++ b/drivers/mtd/Kconfig +@@ -150,7 +150,7 @@ config MTD_BCM63XX_PARTS + + config MTD_BCM47XX_PARTS + tristate "BCM47XX partitioning support" +- depends on BCM47XX ++ depends on BCM47XX || ARCH_BCM_5301X + help + This provides partitions parser for devices based on BCM47xx + boards. +--- a/drivers/mtd/bcm47xxpart.c ++++ b/drivers/mtd/bcm47xxpart.c +@@ -14,7 +14,6 @@ + #include <linux/slab.h> + #include <linux/mtd/mtd.h> + #include <linux/mtd/partitions.h> +-#include <bcm47xx_nvram.h> + + /* 10 parts were found on sflash on Netgear WNDR4500 */ + #define BCM47XXPART_MAX_PARTS 12 +@@ -30,6 +29,7 @@ + #define BOARD_DATA_MAGIC2 0xBD0D0BBD + #define CFE_MAGIC 0x43464531 /* 1EFC */ + #define FACTORY_MAGIC 0x59544346 /* FCTY */ ++#define NVRAM_HEADER 0x48534C46 /* FLSH */ + #define POT_MAGIC1 0x54544f50 /* POTT */ + #define POT_MAGIC2 0x504f /* OP */ + #define ML_MAGIC1 0x39685a42 +@@ -91,7 +91,7 @@ static int bcm47xxpart_parse(struct mtd_ + if (offset >= 0x2000000) + break; + +- if (curr_part > BCM47XXPART_MAX_PARTS) { ++ if (curr_part >= BCM47XXPART_MAX_PARTS) { + pr_warn("Reached maximum number of partitions, scanning stopped!\n"); + break; + } +@@ -147,6 +147,11 @@ static int bcm47xxpart_parse(struct mtd_ + + /* TRX */ + if (buf[0x000 / 4] == TRX_MAGIC) { ++ if (BCM47XXPART_MAX_PARTS - curr_part < 4) { ++ pr_warn("Not enough partitions left to register trx, scanning stopped!\n"); ++ break; ++ } ++ + trx = (struct trx_header *)buf; + + trx_part = curr_part; +@@ -212,7 +217,7 @@ static int bcm47xxpart_parse(struct mtd_ + + /* Look for NVRAM at the end of the last block. */ + for (i = 0; i < ARRAY_SIZE(possible_nvram_sizes); i++) { +- if (curr_part > BCM47XXPART_MAX_PARTS) { ++ if (curr_part >= BCM47XXPART_MAX_PARTS) { + pr_warn("Reached maximum number of partitions, scanning stopped!\n"); + break; + } diff --git a/target/linux/generic/patches-3.14/049-mtd-bcm47xxpart-find-NVRAM-partitions-in-middle-bloc.patch b/target/linux/generic/patches-3.14/049-mtd-bcm47xxpart-find-NVRAM-partitions-in-middle-bloc.patch new file mode 100644 index 0000000..48f8d36 --- /dev/null +++ b/target/linux/generic/patches-3.14/049-mtd-bcm47xxpart-find-NVRAM-partitions-in-middle-bloc.patch @@ -0,0 +1,19 @@ +--- a/drivers/mtd/bcm47xxpart.c ++++ b/drivers/mtd/bcm47xxpart.c +@@ -199,6 +199,16 @@ static int bcm47xxpart_parse(struct mtd_ + continue; + } + ++ /* New (ARM?) devices may have NVRAM in some middle block. Last ++ * block will be checked later, so skip it. ++ */ ++ if (offset != master->size - blocksize && ++ buf[0x000 / 4] == NVRAM_HEADER) { ++ bcm47xxpart_add_part(&parts[curr_part++], "nvram", ++ offset, 0); ++ continue; ++ } ++ + /* Read middle of the block */ + if (mtd_read(master, offset + 0x8000, 0x4, + &bytes_read, (uint8_t *)buf) < 0) { diff --git a/target/linux/generic/patches-3.14/431-mtd-bcm47xxpart-support-TRX-data-partition-being-UBI.patch b/target/linux/generic/patches-3.14/431-mtd-bcm47xxpart-support-TRX-data-partition-being-UBI.patch new file mode 100644 index 0000000..8c63803 --- /dev/null +++ b/target/linux/generic/patches-3.14/431-mtd-bcm47xxpart-support-TRX-data-partition-being-UBI.patch @@ -0,0 +1,66 @@ +--- a/drivers/mtd/bcm47xxpart.c ++++ b/drivers/mtd/bcm47xxpart.c +@@ -36,6 +36,7 @@ + #define ML_MAGIC2 0x26594131 + #define TRX_MAGIC 0x30524448 + #define SQSH_MAGIC 0x71736873 /* shsq */ ++#define UBI_EC_MAGIC 0x23494255 /* UBI# */ + + struct trx_header { + uint32_t magic; +@@ -46,7 +47,7 @@ struct trx_header { + uint32_t offset[3]; + } __packed; + +-static void bcm47xxpart_add_part(struct mtd_partition *part, char *name, ++static void bcm47xxpart_add_part(struct mtd_partition *part, const char *name, + u64 offset, uint32_t mask_flags) + { + part->name = name; +@@ -54,6 +55,26 @@ static void bcm47xxpart_add_part(struct + part->mask_flags = mask_flags; + } + ++static const char *bcm47xxpart_trx_data_part_name(struct mtd_info *master, ++ size_t offset) ++{ ++ uint32_t buf; ++ size_t bytes_read; ++ ++ if (mtd_read(master, offset, sizeof(&buf), &bytes_read, ++ (uint8_t *)&buf) < 0) { ++ pr_err("mtd_read error while parsing (offset: 0x%X)!\n", ++ offset); ++ goto out_default; ++ } ++ ++ if (buf == UBI_EC_MAGIC) ++ return "ubi"; ++ ++out_default: ++ return "rootfs"; ++} ++ + static int bcm47xxpart_parse(struct mtd_info *master, + struct mtd_partition **pparts, + struct mtd_part_parser_data *data) +@@ -147,6 +168,8 @@ static int bcm47xxpart_parse(struct mtd_ + + /* TRX */ + if (buf[0x000 / 4] == TRX_MAGIC) { ++ const char *name; ++ + if (BCM47XXPART_MAX_PARTS - curr_part < 4) { + pr_warn("Not enough partitions left to register trx, scanning stopped!\n"); + break; +@@ -177,7 +200,9 @@ static int bcm47xxpart_parse(struct mtd_ + * trx->length - trx->offset[i]. We don't fill it as + * we want to have jffs2 (overlay) in the same mtd. + */ +- bcm47xxpart_add_part(&parts[curr_part++], "rootfs", ++ name = bcm47xxpart_trx_data_part_name(master, ++ offset + trx->offset[i]); ++ bcm47xxpart_add_part(&parts[curr_part++], name, + offset + trx->offset[i], 0); + i++; + |