diff options
Diffstat (limited to 'target/linux/generic/pending-5.4/470-mtd-spi-nor-support-limiting-4K-sectors-support-base.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/470-mtd-spi-nor-support-limiting-4K-sectors-support-base.patch | 57 |
1 files changed, 40 insertions, 17 deletions
diff --git a/target/linux/generic/pending-5.4/470-mtd-spi-nor-support-limiting-4K-sectors-support-base.patch b/target/linux/generic/pending-5.4/470-mtd-spi-nor-support-limiting-4K-sectors-support-base.patch index 12d785856a..d3e587ff97 100644 --- a/target/linux/generic/pending-5.4/470-mtd-spi-nor-support-limiting-4K-sectors-support-base.patch +++ b/target/linux/generic/pending-5.4/470-mtd-spi-nor-support-limiting-4K-sectors-support-base.patch @@ -19,7 +19,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> --- a/drivers/mtd/spi-nor/Kconfig +++ b/drivers/mtd/spi-nor/Kconfig -@@ -39,6 +39,17 @@ config SPI_ASPEED_SMC +@@ -34,6 +34,17 @@ config SPI_ASPEED_SMC and support for the SPI flash memory controller (SPI) for the host firmware. The implementation only supports SPI NOR. @@ -34,23 +34,46 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> + Any flash chip larger than the size specified in this option will + not use 4K sectors. + - config SPI_ATMEL_QUADSPI - tristate "Atmel Quad SPI Controller" - depends on ARCH_AT91 || (ARM && COMPILE_TEST && !ARCH_EBSA110) + config SPI_CADENCE_QUADSPI + tristate "Cadence Quad SPI controller" + depends on OF && (ARM || ARM64 || COMPILE_TEST) --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c -@@ -2649,10 +2649,12 @@ static int spi_nor_select_erase(struct s +@@ -4464,6 +4464,7 @@ static void spi_nor_info_init_params(str + struct spi_nor_erase_map *map = ¶ms->erase_map; + const struct flash_info *info = nor->info; + struct device_node *np = spi_nor_get_flash_node(nor); ++ struct mtd_info *mtd = &nor->mtd; + u8 i, erase_mask; - #ifdef CONFIG_MTD_SPI_NOR_USE_4K_SECTORS - /* prefer "small sector" erase if possible */ -- if (info->flags & SECT_4K) { -+ if ((info->flags & SECT_4K) && (mtd->size <= -+ CONFIG_MTD_SPI_NOR_USE_4K_SECTORS_LIMIT * 1024)) { - nor->erase_opcode = SPINOR_OP_BE_4K; - mtd->erasesize = 4096; -- } else if (info->flags & SECT_4K_PMC) { -+ } else if ((info->flags & SECT_4K_PMC) && (mtd->size <= + /* Initialize legacy flash parameters and settings. */ +@@ -4527,6 +4528,21 @@ static void spi_nor_info_init_params(str + */ + erase_mask = 0; + i = 0; ++#ifdef CONFIG_MTD_SPI_NOR_USE_4K_SECTORS ++ if ((info->flags & SECT_4K_PMC) && (mtd->size <= + CONFIG_MTD_SPI_NOR_USE_4K_SECTORS_LIMIT * 1024)) { - nor->erase_opcode = SPINOR_OP_BE_4K_PMC; - mtd->erasesize = 4096; - } else ++ erase_mask |= BIT(i); ++ spi_nor_set_erase_type(&map->erase_type[i], 4096u, ++ SPINOR_OP_BE_4K_PMC); ++ i++; ++ } else if ((info->flags & SECT_4K) && (mtd->size <= ++ CONFIG_MTD_SPI_NOR_USE_4K_SECTORS_LIMIT * 1024)) { ++ erase_mask |= BIT(i); ++ spi_nor_set_erase_type(&map->erase_type[i], 4096u, ++ SPINOR_OP_BE_4K); ++ i++; ++ } ++#else + if (info->flags & SECT_4K_PMC) { + erase_mask |= BIT(i); + spi_nor_set_erase_type(&map->erase_type[i], 4096u, +@@ -4538,6 +4554,7 @@ static void spi_nor_info_init_params(str + SPINOR_OP_BE_4K); + i++; + } ++#endif + erase_mask |= BIT(i); + spi_nor_set_erase_type(&map->erase_type[i], info->sector_size, + SPINOR_OP_SE); |