diff options
| author | Shelley Chen <shchen@google.com> | 2020-09-25 09:30:44 -0700 |
|---|---|---|
| committer | Shelley Chen <shchen@google.com> | 2020-10-02 23:11:04 +0000 |
| commit | 6c2568f4f58b9a1b209c9af36d7f980fde784f08 (patch) | |
| tree | 99a24554ce5180ff36151940620f13da306d3d99 /src/cpu/intel/haswell | |
| parent | ba9f82ed73400abca7ce08c5adcaaf943d200c38 (diff) | |
drivers/spi: Add BOOT_DEVICE_SPI_FLASH_NO_EARLY_WRITES config
Added new config BOOT_DEVICE_SPI_FLASH_NO_EARLY_WRITES to accomodate
older x86 platforms that don't allow writing to SPI flash when early
stages are running XIP from flash. If
BOOT_DEVICE_SPI_FLASH_NO_EARLY_WRITES is not selected,
BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY will get auto-selected if
BOOT_DEVICE_SPI_FLASH_RW_NOMMAP=y. This allows for current platforms
that write to flash in the earlier stages, assuming that they have
that capability.
BUG=b:150502246
BRANCH=None
TEST=diff the coreboot.rom files resulting from running
./util/abuild/abuild -p none -t GOOGLE_NAMI -x -a --timeless
with and without this change to make sure that there was no
difference. Also did this for GOOGLE_CANDY board, which is
baytrail based (and has BOOT_DEVICE_SPI_FLASH_NO_EARLY_WRITES
enabled).
Change-Id: I3aef8be702f55873233610b8e20d0662aa951ca7
Signed-off-by: Shelley Chen <shchen@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45740
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/cpu/intel/haswell')
| -rw-r--r-- | src/cpu/intel/haswell/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/cpu/intel/haswell/Kconfig b/src/cpu/intel/haswell/Kconfig index f58fc54198..fbfa71456b 100644 --- a/src/cpu/intel/haswell/Kconfig +++ b/src/cpu/intel/haswell/Kconfig @@ -7,6 +7,7 @@ if CPU_INTEL_HASWELL config CPU_SPECIFIC_OPTIONS def_bool y select ARCH_ALL_STAGES_X86_32 + select BOOT_DEVICE_SPI_FLASH_NO_EARLY_WRITES select MMX select SSE2 select UDELAY_TSC |