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authorMatt DeVillier <matt.devillier@puri.sm>2020-07-15 16:09:57 -0500
committerPatrick Georgi <pgeorgi@google.com>2020-07-26 21:30:55 +0000
commit8437ac5623d56741e5254982c4f96236714c06da (patch)
treef92a5cad2c1cecab7ec47301ae3639efa588f63c /src/mainboard/purism/librem_skl
parent7fc228171523838a0537ced9f6e05be002bce1bb (diff)
mb/purism/librem_skl: Disable CLKREQ for NVMe
This effectively reverts commit 5086ccef (mb/purism/librem_skl: Fix CLKREQ for 15v3 NVMe). Some Librem 15v3/v4 boards are showing issues with NVMe detection or booting via SeaBIOS, so revert this until a proper fix can be found. Test: build / successfully boot Librem 15v4 with problematic NVMe drive. Change-Id: I0659f77bbe693f3d3b192a28ff3ef013658930cc Signed-off-by: Matt DeVillier <matt.devillier@puri.sm> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43490 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/purism/librem_skl')
-rw-r--r--src/mainboard/purism/librem_skl/variants/librem15/overridetree.cb4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mainboard/purism/librem_skl/variants/librem15/overridetree.cb b/src/mainboard/purism/librem_skl/variants/librem15/overridetree.cb
index ab46cd3cd1..c8e728c59d 100644
--- a/src/mainboard/purism/librem_skl/variants/librem15/overridetree.cb
+++ b/src/mainboard/purism/librem_skl/variants/librem15/overridetree.cb
@@ -1,7 +1,7 @@
chip soc/intel/skylake
- # Enable CLKREQ# for RP9
- register "PcieRpClkReqSupport[8]" = "1"
+ # Disable CLKREQ# for RP9
+ register "PcieRpClkReqSupport[8]" = "0"
# SRCCLKREQ2# for NVMe per schematic
register "PcieRpClkReqNumber[8]" = "2"