From 3a3920263ac316982696cbcdef639e0f77323f00 Mon Sep 17 00:00:00 2001 From: Rex-BC Chen Date: Mon, 21 Feb 2022 11:44:47 +0800 Subject: [PATCH] soc/mediatek/mt8186: disable VSRAM_CORE VSRAM_CORE is not used on kingler/krabby, so we disable it. This implementation is according to chapter 3.7 in MT8186 Functional Specification. BUG=b:220071688 TEST=the rail steadily shows 0V in either S0, S3, and S5. Signed-off-by: Rex-BC Chen Change-Id: I5256f6a2c0ca5a951dc79f564575b526a84463fd Reviewed-on: https://review.coreboot.org/c/coreboot/+/62253 Reviewed-by: Yu-Ping Wu Tested-by: build bot (Jenkins) --- src/soc/mediatek/mt8186/mt6366.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/soc/mediatek/mt8186/mt6366.c b/src/soc/mediatek/mt8186/mt6366.c index 90ff3287d4..b993a9256a 100644 --- a/src/soc/mediatek/mt8186/mt6366.c +++ b/src/soc/mediatek/mt8186/mt6366.c @@ -167,6 +167,10 @@ static struct pmic_setting init_setting[] = { {0x1BCC, 0x70F, 0x7F7F, 0}, {0x1C9E, 0x38, 0x7F, 0}, {0x1CA0, 0x70F, 0x7F7F, 0}, + /* VSRAM_CORE: set SW mode */ + {0x1CA4, 0x1, 0xFFFF, 0}, + /* VSRAM_CORE: SW set OFF */ + {0x1C9C, 0x0, 0xFFFF, 0}, {0x1EA2, 0x1B, 0x1F, 0}, {0x1EA4, 0xC00, 0x1C00, 0}, {0x1EA6, 0xC00, 0x1C00, 0},