From 4a9acacf5341933d0f43476b4aa02de81daff457 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Mon, 18 Aug 2014 21:57:54 +0000 Subject: [PATCH] kernel: 3.14: update bcm47xxpart MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit It it used by brcm47xx and bcm53xx targets, so put patches in generic. Signed-off-by: Rafał Miłecki SVN-Revision: 42212 --- target/linux/bcm53xx/config-3.14 | 1 + .../027-mtd-bcm47xxpart-get-nvram.patch | 4 +- ...-mtd-bcm47xxpart-backports-from-3.16.patch | 59 +++++++++++++++++ ...find-NVRAM-partitions-in-middle-bloc.patch | 19 ++++++ ...support-TRX-data-partition-being-UBI.patch | 66 +++++++++++++++++++ 5 files changed, 147 insertions(+), 2 deletions(-) create mode 100644 target/linux/generic/patches-3.14/048-mtd-bcm47xxpart-backports-from-3.16.patch create mode 100644 target/linux/generic/patches-3.14/049-mtd-bcm47xxpart-find-NVRAM-partitions-in-middle-bloc.patch create mode 100644 target/linux/generic/patches-3.14/431-mtd-bcm47xxpart-support-TRX-data-partition-being-UBI.patch diff --git a/target/linux/bcm53xx/config-3.14 b/target/linux/bcm53xx/config-3.14 index 48759e964b..6c54436b5c 100644 --- a/target/linux/bcm53xx/config-3.14 +++ b/target/linux/bcm53xx/config-3.14 @@ -165,6 +165,7 @@ CONFIG_MDIO_BOARDINFO=y CONFIG_MIGHT_HAVE_PCI=y # CONFIG_MLX5_CORE is not set CONFIG_MODULES_USE_ELF_REL=y +CONFIG_MTD_BCM47XX_PARTS=y # CONFIG_MTD_PHYSMAP_OF is not set CONFIG_MULTI_IRQ_HANDLER=y CONFIG_MUTEX_SPIN_ON_OWNER=y diff --git a/target/linux/brcm47xx/patches-3.14/027-mtd-bcm47xxpart-get-nvram.patch b/target/linux/brcm47xx/patches-3.14/027-mtd-bcm47xxpart-get-nvram.patch index 086d7b3a4d..0b3874b329 100644 --- a/target/linux/brcm47xx/patches-3.14/027-mtd-bcm47xxpart-get-nvram.patch +++ b/target/linux/brcm47xx/patches-3.14/027-mtd-bcm47xxpart-get-nvram.patch @@ -1,6 +1,6 @@ --- a/drivers/mtd/bcm47xxpart.c +++ b/drivers/mtd/bcm47xxpart.c -@@ -68,6 +68,7 @@ static int bcm47xxpart_parse(struct mtd_ +@@ -89,6 +89,7 @@ static int bcm47xxpart_parse(struct mtd_ int trx_part = -1; int last_trx_part = -1; int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, }; @@ -8,7 +8,7 @@ if (blocksize <= 0x10000) blocksize = 0x10000; -@@ -229,12 +230,23 @@ static int bcm47xxpart_parse(struct mtd_ +@@ -269,12 +270,23 @@ static int bcm47xxpart_parse(struct mtd_ if (buf[0] == NVRAM_HEADER) { bcm47xxpart_add_part(&parts[curr_part++], "nvram", master->size - blocksize, 0); 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 0000000000..540db6ff11 --- /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 + #include + #include +-#include + + /* 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 0000000000..48f8d36da4 --- /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 0000000000..8c6380318f --- /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++; + -- 2.25.1