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| author | Aaron Durbin <adurbin@chromium.org> | 2016-12-03 17:04:06 -0600 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2016-12-08 16:11:01 +0100 |
| commit | 305c0cafaa2fe7d766918898692971b70259b4ac (patch) | |
| tree | 1d789a30ec88cc20ef5c2320e6fff646b4da553e | |
| parent | cd0bc987be61313f40ab92707ed7574ae591dfc4 (diff) | |
| download | coreboot-305c0cafaa2fe7d766918898692971b70259b4ac.tar.xz | |
drivers/spi: provide a mechanism to obtain the SPI flash boot device
The MRC cache wants to be able to access the SPI flash boot device.
Allow an easy way to provide that so that there isn't duplicate
spi_flash objects representing the same device.
BUG=chrome-os-partner:56151
Change-Id: Iba92e8bb8a6060cdd327b10f5f8ec23ac61101e7
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17715
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
| -rw-r--r-- | src/drivers/spi/boot_device_rw_nommap.c | 6 | ||||
| -rw-r--r-- | src/include/spi_flash.h | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/drivers/spi/boot_device_rw_nommap.c b/src/drivers/spi/boot_device_rw_nommap.c index a52a7befd2..e7d9b9a944 100644 --- a/src/drivers/spi/boot_device_rw_nommap.c +++ b/src/drivers/spi/boot_device_rw_nommap.c @@ -95,3 +95,9 @@ const struct region_device *boot_device_rw(void) return &spi_rw; } + +const struct spi_flash *boot_device_spi_flash(void) +{ + boot_device_rw_init(); + return car_get_var(sfg); +} diff --git a/src/include/spi_flash.h b/src/include/spi_flash.h index 5a9237869f..6b89012a26 100644 --- a/src/include/spi_flash.h +++ b/src/include/spi_flash.h @@ -88,4 +88,8 @@ int spi_flash_volatile_group_end(const struct spi_flash *flash); int chipset_volatile_group_begin(const struct spi_flash *flash); int chipset_volatile_group_end(const struct spi_flash *flash); +/* Return spi_flash object reference for the boot device. This is only valid + * if CONFIG_BOOT_DEVICE_SPI_FLASH is enabled. */ +const struct spi_flash *boot_device_spi_flash(void); + #endif /* _SPI_FLASH_H_ */ |