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| author | David Wu <david_wu@quanta.corp-partner.google.com> | 2020-12-22 13:24:37 +0800 |
|---|---|---|
| committer | Hung-Te Lin <hungte@chromium.org> | 2020-12-24 08:16:19 +0000 |
| commit | 9e2761fe2ba3f9a193885a44fb045be60dc7b2b1 (patch) | |
| tree | 9999ebd1db3e13602d38b7ceddfea4c687ca17ea /src | |
| parent | b8d614f8cc9087d43dd014190dbe5863170169cd (diff) | |
| download | coreboot-9e2761fe2ba3f9a193885a44fb045be60dc7b2b1.tar.xz | |
mb/google/volteer/var/voema: Disable PCIe 7 and 8 for WLAN and SD card
Based on latest schematic, disable PCIe 7 and 8 for WLAN and SD card.
BUG=b:169356808
TEST=FW_NAME=voema emerge-volteer coreboot chromeos-bootimage
Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Change-Id: I2a4658a382c094c2a5b16b7acaf464f54e9897b1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48845
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/volteer/variants/voema/overridetree.cb | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mainboard/google/volteer/variants/voema/overridetree.cb b/src/mainboard/google/volteer/variants/voema/overridetree.cb index 8d05c3213f..f612beb3a1 100644 --- a/src/mainboard/google/volteer/variants/voema/overridetree.cb +++ b/src/mainboard/google/volteer/variants/voema/overridetree.cb @@ -5,8 +5,15 @@ chip soc/intel/tigerlake # and controller 1 channel 0 and 1. register "CmdMirror" = "0x00000033" - # Disable SRCCLKREQ1# and SRCCLKREQ3# + # Disable WLAN PCIE 7 + register "PcieRpEnable[6]" = "0" + register "PcieRpLtrEnable[6]" = "0" register "PcieClkSrcUsage[1]" = "PCIE_CLK_NOTUSED" + + # Disable SD Card PCIE 8 + register "PcieRpEnable[7]" = "0" + register "PcieRpLtrEnable[7]" = "0" + register "PcieRpHotPlug[7]" = "0" register "PcieClkSrcUsage[3]" = "PCIE_CLK_NOTUSED" device domain 0 on |