[coreboot-gerrit] Change in coreboot[master]: soc/intel/skylake: fix eMMC visibility under Windows

[Matt DeVillier (Code Review)]

Matt DeVillier has uploaded this change for review. ( https://review.coreboot.org/22681


Change subject: soc/intel/skylake: fix eMMC visibility under Windows
......................................................................

soc/intel/skylake: fix eMMC visibility under Windows

For the internal eMMC to be used by Windows for installation,
an ACPI device for the card/drive is required, with _RMV
indicating that the device is non-removable.  Add the required
device/method to allow Windows to "see" the internal eMMC.

TEST: boot google/chell with Tianocore payload and install
Windows 10 to the internal eMMC drive.

Change-Id: I3217e5d35fdb2f890ee51670dfab6c86476e2ca2
Signed-off-by: Matt DeVillier <matt.devillier at gmail.com>
---
M src/soc/intel/skylake/acpi/scs.asl
1 file changed, 9 insertions(+), 0 deletions(-)



  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/81/22681/1

diff --git a/src/soc/intel/skylake/acpi/scs.asl b/src/soc/intel/skylake/acpi/scs.asl
index 235a57e..00a6f65 100644
--- a/src/soc/intel/skylake/acpi/scs.asl
+++ b/src/soc/intel/skylake/acpi/scs.asl
@@ -101,6 +101,15 @@
 		Or (PMCR, 0x0003, PMCR)
 		Store (PMCR, ^TEMP)
 	}
+
+	Device (CARD)
+	{
+		Name (_ADR, 0x00000008) // Slot 0, Function 8
+		Method (_RMV, 0, NotSerialized)
+		{
+			Return (0x0)
+		}
+	}
 }
 
 #if !IS_ENABLED(CONFIG_EXCLUDE_NATIVE_SD_INTERFACE)

-- 
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I3217e5d35fdb2f890ee51670dfab6c86476e2ca2
Gerrit-Change-Number: 22681
Gerrit-PatchSet: 1
Gerrit-Owner: Matt DeVillier <matt.devillier at gmail.com>
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