[coreboot-gerrit] Change in coreboot[master]: mb/google/poppy/variants/atlas: enable NVMe
Caveh Jalali (Code Review)
gerrit at coreboot.org
Fri Sep 7 05:01:07 CEST 2018
Hello caveh jalali,
I'd like you to do a code review. Please visit
https://review.coreboot.org/28535
to review the following change.
Change subject: mb/google/poppy/variants/atlas: enable NVMe
......................................................................
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 at chromium.org>
---
M src/mainboard/google/poppy/variants/atlas/devicetree.cb
M src/mainboard/google/poppy/variants/atlas/gpio.c
2 files changed, 18 insertions(+), 4 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/35/28535/1
diff --git a/src/mainboard/google/poppy/variants/atlas/devicetree.cb b/src/mainboard/google/poppy/variants/atlas/devicetree.cb
index c96081c..968faef 100644
--- a/src/mainboard/google/poppy/variants/atlas/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/atlas/devicetree.cb
@@ -147,7 +147,7 @@
.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 @@
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 @@
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 5f1a1f5..f82976e 100644
--- a/src/mainboard/google/poppy/variants/atlas/gpio.c
+++ b/src/mainboard/google/poppy/variants/atlas/gpio.c
@@ -78,8 +78,8 @@
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 */
--
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I08e7c4d65662ddbb7d936915c896eb1fcb240ba8
Gerrit-Change-Number: 28535
Gerrit-PatchSet: 1
Gerrit-Owner: Caveh Jalali <caveh at google.com>
Gerrit-Reviewer: caveh jalali <caveh at chromium.org>
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