diff options
| author | Tom Rini <trini@konsulko.com> | 2021-02-08 10:55:28 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-02-08 10:55:28 -0500 |
| commit | a10d06add73ec0bd9e93b4b517fa2068ef1ca132 (patch) | |
| tree | d2680808bc08a9f2e2a46b100c4d5fbd0812aedd /drivers/mtd/spi | |
| parent | 88262788fe8b82935648797d17250439e1fa0739 (diff) | |
| parent | 5e7a207ebf8501b4ab1c6a081b7b806698ce0f6d (diff) | |
Merge git://git.denx.de/u-boot-fsl-qoriq
Layerscape: Enable gpio
Bug fixes & updates related to dspi, qspi, pciep, SVR mask,
stream-id, env variables, mdio for LAyerscape Platforms
Add SATA, network variant 1, 2 support on sl28
powerpc: T1042: drop CONFIG_VIDEO, Add kmcent2 board supporrt, keymile
Bug fixes and updates for keymile, Kontron
Diffstat (limited to 'drivers/mtd/spi')
| -rw-r--r-- | drivers/mtd/spi/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/mtd/spi/spi-nor-core.c | 9 |
2 files changed, 15 insertions, 4 deletions
diff --git a/drivers/mtd/spi/Kconfig b/drivers/mtd/spi/Kconfig index ea444436ad4..f8db8e5213a 100644 --- a/drivers/mtd/spi/Kconfig +++ b/drivers/mtd/spi/Kconfig @@ -95,6 +95,16 @@ 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_UNLOCK_ALL + bool "Unlock the entire SPI flash on u-boot startup" + default y + help + Some flashes tend to power up with the software write protection + bits set. If this option is set, the whole flash will be unlocked. + + For legacy reasons, this option default to y. But if you intend to + actually use the software protection bits you should say n here. + config SF_DUAL_FLASH bool "SPI DUAL flash memory support" help diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index e16b0e1462d..ef426dac02b 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -2443,10 +2443,11 @@ static int spi_nor_init(struct spi_nor *nor) * Atmel, SST, Intel/Numonyx, and others serial NOR tend to power up * with the software protection bits set */ - if (JEDEC_MFR(nor->info) == SNOR_MFR_ATMEL || - JEDEC_MFR(nor->info) == SNOR_MFR_INTEL || - JEDEC_MFR(nor->info) == SNOR_MFR_SST || - nor->info->flags & SPI_NOR_HAS_LOCK) { + if (IS_ENABLED(CONFIG_SPI_FLASH_UNLOCK_ALL) && + (JEDEC_MFR(nor->info) == SNOR_MFR_ATMEL || + JEDEC_MFR(nor->info) == SNOR_MFR_INTEL || + JEDEC_MFR(nor->info) == SNOR_MFR_SST || + nor->info->flags & SPI_NOR_HAS_LOCK)) { write_enable(nor); write_sr(nor, 0); spi_nor_wait_till_ready(nor); |