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authorMichael Niewöhner <foss@mniewoehner.de>2022-01-08 20:47:11 +0100
committerPaul Fagerburg <pfagerburg@chromium.org>2022-01-14 00:29:38 +0000
commit45b6080561748fe579c8ee901811cf4043383c2f (patch)
treeb9f37ad3e3962571401fafa2578788f0feb27d5a /src/mainboard/google/volteer/variants
parent9f0285b6fe46d6ec76faad0c099239c227e5caa1 (diff)
soc/intel/tigerlake: add devicetree option PcieRpSlotImplemented
Add the UPD PcieRpSlotImplemented as devicetree option. To keep the PI bit set for any slots of already existing boards, add set the option PcieRpSlotImplemented=1 where appropriate. Change-Id: Ia6f685df3c22c74ae764693329a69817bf3cd01d Signed-off-by: Michael Niewöhner <foss@mniewoehner.de> Reviewed-on: https://review.coreboot.org/c/coreboot/+/60946 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/mainboard/google/volteer/variants')
-rw-r--r--src/mainboard/google/volteer/variants/baseboard/devicetree.cb3
-rw-r--r--src/mainboard/google/volteer/variants/voema/overridetree.cb1
2 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
index a93a38a830..1fa7d2fa5f 100644
--- a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
@@ -120,11 +120,13 @@ chip soc/intel/tigerlake
register "PcieRpLtrEnable[8]" = "1"
register "PcieClkSrcUsage[0]" = "8"
register "PcieClkSrcClkReq[0]" = "0"
+ register "PcieRpSlotImplemented[8]" = "1"
# Enable Optane PCIE 11 using clk 0
register "PcieRpEnable[10]" = "1"
register "PcieRpLtrEnable[10]" = "1"
register "HybridStorageMode" = "0"
+ register "PcieRpSlotImplemented[10]" = "1"
# Enable SD Card PCIE 8 using clk 3
register "PcieRpEnable[7]" = "1"
@@ -138,6 +140,7 @@ chip soc/intel/tigerlake
register "PcieRpLtrEnable[6]" = "1"
register "PcieClkSrcUsage[1]" = "6"
register "PcieClkSrcClkReq[1]" = "1"
+ register "PcieRpSlotImplemented[6]" = "1"
# Mark SRCCLKREQ pins as unused that are routed for a Non-Clkreq functionality
register "PcieClkSrcUsage[2]" = "PCIE_CLK_NOTUSED"
diff --git a/src/mainboard/google/volteer/variants/voema/overridetree.cb b/src/mainboard/google/volteer/variants/voema/overridetree.cb
index 8fdc0674db..808127f86d 100644
--- a/src/mainboard/google/volteer/variants/voema/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/voema/overridetree.cb
@@ -15,6 +15,7 @@ chip soc/intel/tigerlake
register "PcieRpEnable[6]" = "0"
register "PcieRpLtrEnable[6]" = "0"
register "PcieClkSrcUsage[1]" = "PCIE_CLK_NOTUSED"
+ register "PcieRpSlotImplemented[6]" = "1"
# Disable SD Card PCIE 8
register "PcieRpEnable[7]" = "0"