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skylake: fix eventlog on resume path 

The spi_init() routine needs to be called in all boot paths to allow
writes to the SPI part. The reason is that the write enable is done
in spi_init(). Moreover, this is also required for a writing a firmware
update after a resume.

BUG=chrome-os-partner:42115
BRANCH=None
TEST=Built and booted glados. Suspended and resumed. Eventlogs show
     up in resume path.

Change-Id: I187baa940bb45ef90ab82e67c02f13d8855d364e
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 8813ab227395cfcba46ad4109730a1eb5897e538
Original-Change-Id: Ida726fc29e6d49cd9af02c4e57125e09f2599c36
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/295238
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/11541
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Aaron Durbin 2015-08-28 02:14:48 -05:00 committed by Patrick Georgi
parent bdc1c87899
commit 394d6993b9
1 changed files with 12 additions and 0 deletions
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12
src/soc/intel/skylake/flash_controller.c
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@ -454,3 +454,15 @@ static struct spi_flash *spi_flash_hwseq_probe(struct spi_slave *spi)
} }
#endif #endif
#if ENV_RAMSTAGE
/*
* spi_init() needs run unconditionally in every boot (including resume) to
* allow write protect to be disabled for eventlog and firmware updates.
*/
static void spi_init_cb(void *unused)
{
spi_init();
}
BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_EXIT, spi_init_cb, NULL);
#endif