summaryrefslogtreecommitdiff
path: root/src/mainboard
diff options
context:
space:
mode:
authorV Sowmya <v.sowmya@intel.com>2018-12-26 14:40:12 +0530
committerSubrata Banik <subrata.banik@intel.com>2018-12-31 06:13:41 +0000
commit2d324cafd84c18256221894fd14954a80e52f43a (patch)
tree212c5ea963302dd194cbaa2bddd05cd80a2609bd /src/mainboard
parent3f3d6b3e270ad457526ae56babb01e2101d407a5 (diff)
mb/google/hatch: Enable NVME support for Hatch
This patch enables the x4 NVME device for hatch, * Enable the Root port 9. * Assign the usage type for clock source. * Configure the GPIO for CLK SRC 1. BUG=b:120914069 BRANCH=none TEST=USE="-intel_mrc -bmpblk" emerge-hatch coreboot. Change-Id: I69be6b21a5ae5962877a5c38180b5ffac532fed4 Signed-off-by: V Sowmya <v.sowmya@intel.com> Reviewed-on: https://review.coreboot.org/c/30431 Reviewed-by: Rizwan Qureshi <rizwan.qureshi@intel.com> Reviewed-by: Subrata Banik <subrata.banik@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/hatch/variants/baseboard/devicetree.cb9
-rw-r--r--src/mainboard/google/hatch/variants/baseboard/gpio.c2
2 files changed, 10 insertions, 1 deletions
diff --git a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
index 22a847ae1f..c36e582a98 100644
--- a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
@@ -63,6 +63,13 @@ chip soc/intel/cannonlake
register "usb3_ports[4]" = "USB3_PORT_DEFAULT(OC_SKIP)" # WWAN
register "usb3_ports[5]" = "USB3_PORT_EMPTY"
+ # Enable Root port 9(x4) for NVMe.
+ register "PcieRpEnable[8]" = "1"
+ # RP 9 uses CLK SRC 1
+ register "PcieClkSrcUsage[1]" = "8"
+ # ClkReq-to-ClkSrc mapping for CLK SRC 1
+ register "PcieClkSrcClkReq[1]" = "1"
+
device domain 0 on
device pci 00.0 on end # Host Bridge
device pci 02.0 on end # Integrated Graphics Device
@@ -178,7 +185,7 @@ chip soc/intel/cannonlake
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
- device pci 1d.0 off end # PCI Express Port 9
+ device pci 1d.0 on end # PCI Express Port 9 (X4 NVME)
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
diff --git a/src/mainboard/google/hatch/variants/baseboard/gpio.c b/src/mainboard/google/hatch/variants/baseboard/gpio.c
index eca5f47c92..2a6f74d888 100644
--- a/src/mainboard/google/hatch/variants/baseboard/gpio.c
+++ b/src/mainboard/google/hatch/variants/baseboard/gpio.c
@@ -21,6 +21,8 @@
static const struct pad_config gpio_table[] = {
/* TRACKPAD_INT_ODL */
PAD_CFG_GPI_APIC(GPP_A21, NONE, PLTRST, LEVEL, INVERT),
+ /* SRCCLKREQ1 */
+ PAD_CFG_NF(GPP_B6, NONE, DEEP, NF1),
/* H1_SLAVE_SPI_CS_L */
PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
/* H1_SLAVE_SPI_CLK */