diff options
| author | Caveh Jalali <caveh@chromium.org> | 2018-09-06 19:55:21 -0700 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2018-09-07 23:40:08 +0000 |
| commit | 41979d862a972375d6800afdf2b8b52d408fd220 (patch) | |
| tree | 0c215e5ebbb14fd92e59b89092148a3258b5cda4 /src/mainboard | |
| parent | dce4d465a6eed58c7dc99b5b3267eea751738b01 (diff) | |
| download | coreboot-41979d862a972375d6800afdf2b8b52d408fd220.tar.xz | |
mb/google/poppy/variants/atlas: enable NVMe
This adds support for a x2 NVMe device on PCIe bus PCIe lines 5+6 and
clock#4.
BUG=b:113369699
TEST=booted on atlas
Change-Id: I08e7c4d65662ddbb7d936915c896eb1fcb240ba8
Signed-off-by: Caveh Jalali <caveh@chromium.org>
Reviewed-on: https://review.coreboot.org/28535
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/poppy/variants/atlas/devicetree.cb | 18 | ||||
| -rw-r--r-- | src/mainboard/google/poppy/variants/atlas/gpio.c | 4 |
2 files changed, 18 insertions, 4 deletions
diff --git a/src/mainboard/google/poppy/variants/atlas/devicetree.cb b/src/mainboard/google/poppy/variants/atlas/devicetree.cb index c96081cd87..968faefaf1 100644 --- a/src/mainboard/google/poppy/variants/atlas/devicetree.cb +++ b/src/mainboard/google/poppy/variants/atlas/devicetree.cb @@ -147,7 +147,7 @@ chip soc/intel/skylake .dc_loadline = 441, }" - # PCIe Root port 1 with SRCCLKREQ1# + # PCIe Root port 1 with SRCCLKREQ1# (WLAN) register "PcieRpEnable[0]" = "1" register "PcieRpClkReqSupport[0]" = "1" register "PcieRpClkReqNumber[0]" = "1" @@ -155,6 +155,20 @@ chip soc/intel/skylake register "PcieRpAdvancedErrorReporting[0]" = "1" register "PcieRpLtrEnable[0]" = "1" + # PCIe Root port 5 (NVMe) + # PcieRpEnable: Enable root port + # PcieRpClkReqSupport: Enable CLKREQ# + # PcieRpClkReqNumber: Uses SRCCLKREQ4# + # PcieRpClkSrcNumber: Uses CLKOUT_PCIE_4 + # PcieRpAdvancedErrorReporting: Enable Advanced Error Reporting + # PcieRpLtrEnable: Enable Latency Tolerance Reporting Mechanism + register "PcieRpEnable[4]" = "1" + register "PcieRpClkReqSupport[4]" = "1" + register "PcieRpClkReqNumber[4]" = "4" + register "PcieRpClkSrcNumber[4]" = "4" + register "PcieRpAdvancedErrorReporting[4]" = "1" + register "PcieRpLtrEnable[4]" = "1" + # USB 2.0 register "usb2_ports[0]" = "USB2_PORT_LONG(OC0)" # Type-C Port 1 register "usb2_ports[1]" = "USB2_PORT_EMPTY" # Empty @@ -329,7 +343,7 @@ chip soc/intel/skylake device pci 1c.1 off end # PCI Express Port 2 device pci 1c.2 off end # PCI Express Port 3 device pci 1c.3 off end # PCI Express Port 4 - device pci 1c.4 off end # PCI Express Port 5 + device pci 1c.4 on end # PCI Express Port 5 (NVMe) device pci 1c.5 off end # PCI Express Port 6 device pci 1c.6 off end # PCI Express Port 7 device pci 1c.7 off end # PCI Express Port 8 diff --git a/src/mainboard/google/poppy/variants/atlas/gpio.c b/src/mainboard/google/poppy/variants/atlas/gpio.c index 5f1a1f5628..f82976e2d4 100644 --- a/src/mainboard/google/poppy/variants/atlas/gpio.c +++ b/src/mainboard/google/poppy/variants/atlas/gpio.c @@ -78,8 +78,8 @@ static const struct pad_config gpio_table[] = { PAD_CFG_NC(GPP_B7), /* B8 : SRCCLKREQ3# ==> WLAN_PE_RST */ PAD_CFG_GPO(GPP_B8, 0, RSMRST), - /* B9 : SRCCLKREQ4# ==> NC */ - PAD_CFG_NC(GPP_B9), + /* B9 : SRCCLKREQ4# ==> NVME_PCIE_CLKREQ_L */ + PAD_CFG_NF(GPP_B9, NONE, DEEP, NF1), /* B10 : SRCCLKREQ5# ==> NC */ PAD_CFG_NC(GPP_B10), /* B11 : EXT_PWR_GATE# ==> NC */ |