diff options
| author | Zhongze Hu <frankhu@google.com> | 2018-02-16 00:53:02 -0800 |
|---|---|---|
| committer | Shelley Chen <shchen@google.com> | 2018-02-23 22:04:41 +0000 |
| commit | 12f656ced7469fffc6ba1f7befcea593894b0935 (patch) | |
| tree | 44d77919191ce25a3767a7c549380fc0971ab6a7 /src | |
| parent | 4ecd42f9b52cd01b659c21f62e5ca2e79f5da4ab (diff) | |
mb/google/fizz: Enable PCIe port 11, 12
Our CFM daughter card would like to use individual PCIe lanes for two
different devices on the card.
dlaurie@ has reconfigured PCIe port 9-12 from 1x4 to 1x2 + 2x1 on b2b
connector on fizz to meet the requirement:
https://chrome-internal-review.googlesource.com/571936
We also need to enable the ports on device tree.
BUG=b:72523836
TEST=none
BRANCH=fizz
Change-Id: Icded9850d833752680e0174b6c476e657817b319
Reviewed-on: https://chromium-review.googlesource.com/923867
Commit-Ready: Zhongze Hu <frankhu@google.com>
Tested-by: Zhongze Hu <frankhu@google.com>
Reviewed-by: Shelley Chen <shchen@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/924860
Commit-Queue: Shelley Chen <shchen@chromium.org>
Tested-by: Shelley Chen <shchen@chromium.org>
Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Reviewed-on: https://review.coreboot.org/23845
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Shelley Chen <shchen@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/fizz/devicetree.cb | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/src/mainboard/google/fizz/devicetree.cb b/src/mainboard/google/fizz/devicetree.cb index 3b084ff1f9..5eeb03c648 100644 --- a/src/mainboard/google/fizz/devicetree.cb +++ b/src/mainboard/google/fizz/devicetree.cb @@ -228,6 +228,32 @@ chip soc/intel/skylake # RP 9 uses uses CLK SRC 2 register "PcieRpClkSrcNumber[8]" = "2" + # Enable Root port 11 for BtoB. + register "PcieRpEnable[10]" = "1" + # Enable CLKREQ# + register "PcieRpClkReqSupport[10]" = "1" + # RP 11 uses SRCCLKREQ2# + register "PcieRpClkReqNumber[10]" = "2" + # RP 11, Enable Advanced Error Reporting + register "PcieRpAdvancedErrorReporting[10]" = "1" + # RP 11, Enable Latency Tolerance Reporting Mechanism + register "PcieRpLtrEnable[10]" = "1" + # RP 11 uses uses CLK SRC 2 + register "PcieRpClkSrcNumber[10]" = "2" + + # Enable Root port 12 for BtoB. + register "PcieRpEnable[11]" = "1" + # Enable CLKREQ# + register "PcieRpClkReqSupport[11]" = "1" + # RP 12 uses SRCCLKREQ2# + register "PcieRpClkReqNumber[11]" = "2" + # RP 12, Enable Advanced Error Reporting + register "PcieRpAdvancedErrorReporting[11]" = "1" + # RP 12, Enable Latency Tolerance Reporting Mechanism + register "PcieRpLtrEnable[11]" = "1" + # RP 12 uses uses CLK SRC 2 + register "PcieRpClkSrcNumber[11]" = "2" + register "usb2_ports[0]" = "USB2_PORT_LONG(OC0)" # Type-C register "usb2_ports[1]" = "USB2_PORT_MID(OC3)" # Type-A Rear register "usb2_ports[2]" = "USB2_PORT_MID(OC2)" # Type-A Front @@ -351,8 +377,8 @@ chip soc/intel/skylake end end # PCI Express Port 9 for BtoB device pci 1d.1 off end # PCI Express Port 10 - device pci 1d.2 off end # PCI Express Port 11 - device pci 1d.3 off end # PCI Express Port 12 + device pci 1d.2 on end # PCI Express Port 11 + device pci 1d.3 on end # PCI Express Port 12 device pci 1e.0 on end # UART #0 device pci 1e.1 off end # UART #1 device pci 1e.2 on |