diff options
| author | Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com> | 2023-06-05 10:00:41 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-06-06 12:18:49 +0000 |
| commit | 1659218d7c7e68beee752e701e4b7ba13369bcae (patch) | |
| tree | e58a002d4c89de1a376d0fb5a854a40de7516f16 /src/mainboard | |
| parent | e27bd13088dc597c32e46b88d93ff74c31dca792 (diff) | |
mb/google/nissa/var/uldren: Modify GPP_D7 and PCIE RP7
Uldren does not have PCIE device and should disable PCIE RP7 and
GPP_D7 for preventing PCIe controller not power gate in S0ix.
BUG=b:283735051
BRANCH=firmware-nissa-15217.B
TEST=emerge-nissa coreboot chromeos-bootimage
1. PCIE RP7: cbmem -c | grep 'PCI: 00:1c.6'
[SPEW ] PCI: 00:1c.6: enabled 0
[SPEW ] PCI: 00:1c.6: enabled 0
2. GPP_D7: iotools mmio_read32 0xfd6d0ab0
0x44000300
Change-Id: Ia8a2c0f5530c7a056e8d706c651cac1d49b2091c
Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75644
Reviewed-by: Harsha B R <harsha.b.r@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Derek Huang <derekhuang@google.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/brya/variants/uldren/gpio.c | 2 | ||||
| -rw-r--r-- | src/mainboard/google/brya/variants/uldren/overridetree.cb | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/uldren/gpio.c b/src/mainboard/google/brya/variants/uldren/gpio.c index e1e5e8cd4d..c0c438147e 100644 --- a/src/mainboard/google/brya/variants/uldren/gpio.c +++ b/src/mainboard/google/brya/variants/uldren/gpio.c @@ -21,6 +21,8 @@ static const struct pad_config override_gpio_table[] = { PAD_CFG_GPO(GPP_C1, 1, DEEP), /* D6 : SRCCLKREQ1# ==> WWAN_EN */ PAD_CFG_GPO(GPP_D6, 1, DEEP), + /* D7 : SRCCLKREQ2# ==> NC */ + PAD_NC(GPP_D7, NONE), /* D8 : SRCCLKREQ3# ==> NC */ PAD_NC(GPP_D8, NONE), /* D15 : ISH_UART0_RTS# ==> NC */ diff --git a/src/mainboard/google/brya/variants/uldren/overridetree.cb b/src/mainboard/google/brya/variants/uldren/overridetree.cb index 77b8655207..a873a6288b 100644 --- a/src/mainboard/google/brya/variants/uldren/overridetree.cb +++ b/src/mainboard/google/brya/variants/uldren/overridetree.cb @@ -353,6 +353,7 @@ chip soc/intel/alderlake end end end + device ref pcie_rp7 off end device ref hda on chip drivers/generic/max98357a register "hid" = ""MX98360A"" |