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authorKangheui Won <khwon@chromium.org>2021-03-23 14:56:31 +1100
committerMartin Roth <martinroth@google.com>2021-03-24 19:37:09 +0000
commit39ef89033624a2d14b0c77cdbdf287dd7d7059e1 (patch)
treecfd0cf17f5f835e7af14a85539f1fcf3ab4ce506 /src/soc
parent6d837df90838bfb3a9c877b5c0b2eeda85e3d9f0 (diff)
mb/google/guybrush: disable KBRSTEN
GPIO129 is muxed with KBRST, so setting GPIO129 to low causes reset when KBRSTEN is set to 1. Since reset value of KBRSTEN is 1 we need a logic to clear it. BUG=b:183340503 TEST=build Signed-off-by: Kangheui Won <khwon@chromium.org> Change-Id: I194e8432a14d6105f6bcf12111647f5aad4e2de2 Reviewed-on: https://review.coreboot.org/c/coreboot/+/51727 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com> Reviewed-by: Raul Rangel <rrangel@chromium.org>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/amd/cezanne/include/soc/southbridge.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/soc/amd/cezanne/include/soc/southbridge.h b/src/soc/amd/cezanne/include/soc/southbridge.h
index 05dd9b36e3..de96355942 100644
--- a/src/soc/amd/cezanne/include/soc/southbridge.h
+++ b/src/soc/amd/cezanne/include/soc/southbridge.h
@@ -54,6 +54,7 @@
#define PM_ACPI_RTC_WAKE_EN BIT(29)
#define PM_RST_CTRL1 0xbe
#define SLPTYPE_CONTROL_EN BIT(5)
+#define KBRSTEN BIT(4)
#define PM_LPC_GATING 0xec
#define PM_LPC_AB_NO_BYPASS_EN BIT(2)
#define PM_LPC_A20_EN BIT(1)