GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
coreboot-kgpe-d16/src/acpi/chromeos-gnvs.c

30 lines
687 B
C
Raw Normal View History

ACPI: Add framework for GNVS initialisation Provide common initialisation point for setting up GNVS structure before first SMI is triggered. Change-Id: Iccad533c3824d70f6cbae52cc8dd79f142ece944 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/42423 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-06-17 00:04:44 +02:00
/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi_gnvs.h>
#include <ec/google/chromeec/ec.h>
#include <vendorcode/google/chromeos/gnvs.h>
void gnvs_assign_chromeos(void)
{
ACPI: Allocate GNVS early in ramstage We need this to happen prior to SMM module loader. If there is some debugging output it's better they do not appear in the middle of CPU bringup. Change-Id: I45b4b5c0c5bf8bee258a465d1e364bfe98190e44 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/48697 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-06-17 12:45:16 +02:00
chromeos_acpi_t *gnvs_chromeos = gnvs_chromeos_ptr(acpi_get_gnvs());
if (!gnvs_chromeos)
return;
ACPI: Add framework for GNVS initialisation Provide common initialisation point for setting up GNVS structure before first SMI is triggered. Change-Id: Iccad533c3824d70f6cbae52cc8dd79f142ece944 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/42423 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-06-17 00:04:44 +02:00
chromeos_init_chromeos_acpi(gnvs_chromeos);
/* EC can override to ECFW_RW. */
gnvs_chromeos->vbt2 = ACTIVE_ECFW_RO;
if (CONFIG(EC_GOOGLE_CHROMEEC) && !google_ec_running_ro())
gnvs_chromeos->vbt2 = ACTIVE_ECFW_RW;
}
mb/x/acpi_tables: Move EC_RW detection These boards without ChromeEC do not set ACTIVE_EC_RW flag as part of the gnvs_assign_chromeos() function. Create abstraction to avoid <vendorcode/chromeos/x> include. Change-Id: Ic6029e1807fcfe7dd2c766ce8221e347b6b096f9 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/48777 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-06-17 07:15:39 +02:00
void gnvs_set_ecfw_rw(void)
{
chromeos_acpi_t *gnvs_chromeos = gnvs_chromeos_ptr(acpi_get_gnvs());
if (!gnvs_chromeos)
return;
gnvs_chromeos->vbt2 = ACTIVE_ECFW_RW;
}