diff options
| -rw-r--r-- | cmd/sf.c | 4 | ||||
| -rw-r--r-- | drivers/mtd/spi/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/mtd/spi/spi-nor-core.c | 8 |
3 files changed, 17 insertions, 2 deletions
@@ -604,7 +604,7 @@ static int do_spi_flash(struct cmd_tbl *cmdtp, int flag, int argc, ret = do_spi_flash_read_write(argc, argv); else if (strcmp(cmd, "erase") == 0) ret = do_spi_flash_erase(argc, argv); - else if (strcmp(cmd, "protect") == 0) + else if (IS_ENABLED(CONFIG_SPI_FLASH_LOCK) && strcmp(cmd, "protect") == 0) ret = do_spi_protect(argc, argv); else if (IS_ENABLED(CONFIG_CMD_SF_TEST) && !strcmp(cmd, "test")) ret = do_spi_flash_test(argc, argv); @@ -629,8 +629,10 @@ U_BOOT_LONGHELP(sf, "sf update addr offset|partition len - erase and write `len' bytes from memory\n" " at `addr' to flash at `offset'\n" " or to start of mtd `partition'\n" +#ifdef CONFIG_SPI_FLASH_LOCK "sf protect lock/unlock sector len - protect/unprotect 'len' bytes starting\n" " at address 'sector'" +#endif #ifdef CONFIG_CMD_SF_TEST "\nsf test offset len - run a very basic destructive test" #endif diff --git a/drivers/mtd/spi/Kconfig b/drivers/mtd/spi/Kconfig index 2b2efc8531..732b076045 100644 --- a/drivers/mtd/spi/Kconfig +++ b/drivers/mtd/spi/Kconfig @@ -134,6 +134,13 @@ config SPI_FLASH_BAR Bank/Extended address registers are used to access the flash which has size > 16MiB in 3-byte addressing. +config SPI_FLASH_LOCK + bool "Enable the Locking feature" + default y + help + Enable the SPI flash lock support. By default this is set to y. + If you intend not to use the lock support you should say n here. + config SPI_FLASH_UNLOCK_ALL bool "Unlock the entire SPI flash on u-boot startup" default y diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index db20feb4da..9a1801ba93 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -1100,6 +1100,7 @@ static int spansion_erase_non_uniform(struct spi_nor *nor, u32 addr, } #endif +#if defined(CONFIG_SPI_FLASH_LOCK) #if defined(CONFIG_SPI_FLASH_STMICRO) || defined(CONFIG_SPI_FLASH_SST) /* Write status register and ensure bits in mask match written values */ static int write_sr_and_check(struct spi_nor *nor, u8 status_new, u8 mask) @@ -1387,6 +1388,7 @@ static int stm_is_unlocked(struct spi_nor *nor, loff_t ofs, uint64_t len) return stm_is_unlocked_sr(nor, ofs, len, status); } #endif /* CONFIG_SPI_FLASH_STMICRO */ +#endif static const struct flash_info *spi_nor_read_id(struct spi_nor *nor) { @@ -1462,6 +1464,7 @@ read_err: return ret; } +#if defined(CONFIG_SPI_FLASH_LOCK) #ifdef CONFIG_SPI_FLASH_SST /* * sst26 flash series has its own block protection implementation: @@ -1730,6 +1733,8 @@ sst_write_err: return ret; } #endif +#endif + /* * Write an address range to the nor chip. Data must be written in * FLASH_PAGESIZE chunks. The address range may be any size provided @@ -4104,6 +4109,7 @@ int spi_nor_scan(struct spi_nor *nor) mtd->_read = spi_nor_read; mtd->_write = spi_nor_write; +#if defined(CONFIG_SPI_FLASH_LOCK) #if defined(CONFIG_SPI_FLASH_STMICRO) || defined(CONFIG_SPI_FLASH_SST) /* NOR protection support for STmicro/Micron chips and similar */ if (JEDEC_MFR(info) == SNOR_MFR_ST || @@ -4127,7 +4133,7 @@ int spi_nor_scan(struct spi_nor *nor) nor->flash_is_unlocked = sst26_is_unlocked; } #endif - +#endif if (info->flags & USE_FSR) nor->flags |= SNOR_F_USE_FSR; if (info->flags & SPI_NOR_HAS_TB) |