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mb/google/guybrush: turn off SD ASPM L1.1/L1.2

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Turn off SD ASPM L1.1/L1.2 as w/a for wlan DMA resume failure

We completed 4 runs for each of the 2 tests - power_idle and power_VideoCall. Here are the averages for both the tests:

L1ss disabled SD plugged power idle test: 735.3875
L1ss enabled SD plugged power idle test: 737.2335

L1ss disabled SD plugged power video test: 333.29325
L1ss enabled SD plugged power video test: 333.442


BUG=b:254382832
TEST=test pass over 10k cycles

Signed-off-by: Jason Nien <finaljason@gmail.com>
Change-Id: I4d903f0f6333ffa18069e42be3c932aeae8013d9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80237
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Tim Van Patten <timvp@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
JasonNien 2024-01-29 18:11:02 -06:00 committed by Matt DeVillier
parent 59495c929b
commit f3ae0f0cfb
1 changed files with 2 additions and 2 deletions
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4
src/mainboard/google/guybrush/port_descriptors.c
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@ -33,8 +33,8 @@ static fsp_dxio_descriptor guybrush_czn_dxio_descriptors[] = {
.device_number = PCI_SLOT(SD_DEVFN),
.function_number = PCI_FUNC(SD_DEVFN),
.link_aspm = ASPM_L1,
.link_aspm_L1_1 = true,
.link_aspm_L1_2 = true,
.link_aspm_L1_1 = false,
.link_aspm_L1_2 = false,
.turn_off_unused_lanes = true,
.clk_req = CLK_REQ1,
.gpio_group_id = GPIO_69,