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mb/google/guybrush/var/nipperkin: turn off WLAN ASPM L1ss 

BUG=b:227296841
BRANCH=guybrush
TEST=emerge-guybrush coreboot chromeos-bootimage
     pass PLT criteria: S0 > 600ms, s0i3 > 14 days

Change-Id: I9c61e1d0f3db8b9885040255d6de266616768b68
Signed-off-by: Kevin Chiu <kevin.chiu.17802@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63537
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rob Barnes <robbarnes@google.com>
Reviewed-by: Jon Murphy <jpmurphy@google.com>
This commit is contained in:
Kevin Chiu 2022-04-11 11:33:00 +08:00 committed by Karthik Ramasubramanian
parent e0ff2735f3
commit 4d4c0a5f27
1 changed files with 5 additions and 15 deletions
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14
src/mainboard/google/guybrush/variants/nipperkin/variant.c
View File

@ -1,23 +1,13 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <baseboard/variants.h>
#include <boardid.h>
#include <device/device.h>
#include <soc/gpio.h>
#include <string.h>
void variant_update_dxio_descriptors(fsp_dxio_descriptor *dxio_descriptors)
{
uint32_t board_version = board_id();
if (board_version >= 3) {
dxio_descriptors[WLAN].link_aspm_L1_1 = true;
dxio_descriptors[WLAN].link_aspm_L1_2 = true;
dxio_descriptors[WLAN].link_aspm_L1_1 = false;
dxio_descriptors[WLAN].link_aspm_L1_2 = false;
/* Disable PSPP to avoid S0ix hangs - b/228830362 */
memset(dxio_descriptors[WLAN].port_params, 0,
sizeof(dxio_descriptors[WLAN].port_params));
} else {
dxio_descriptors[WLAN].link_aspm_L1_1 = false;
dxio_descriptors[WLAN].link_aspm_L1_2 = false;
}
}