From dcb2eef582960095ead8c6ba6cb6d3f3c03f6c94 Mon Sep 17 00:00:00 2001 From: Tristan Shieh Date: Tue, 23 Apr 2019 14:09:52 +0800 Subject: mediatek/mt8183: Set processor voltage to 1.05v The maximum CPU frequency is 1417MHz with current processor voltage (0.8v). Set processor voltage to 1.05v for higher CPU frequency. BUG=b:80501386 BRANCH=none Test=Boots correctly on Kukui Change-Id: I24ecdac2c85d3f012d9235449c0d727d727dc185 Signed-off-by: Tristan Shieh Reviewed-on: https://review.coreboot.org/c/coreboot/+/32396 Tested-by: build bot (Jenkins) Reviewed-by: You-Cheng Syu Reviewed-by: Hung-Te Lin --- src/soc/mediatek/mt8183/mt6358.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/soc') diff --git a/src/soc/mediatek/mt8183/mt6358.c b/src/soc/mediatek/mt8183/mt6358.c index 580327183c..8162e3aaf1 100644 --- a/src/soc/mediatek/mt8183/mt6358.c +++ b/src/soc/mediatek/mt8183/mt6358.c @@ -493,6 +493,10 @@ static struct pmic_setting init_setting[] = { /* [2:1]: RG_LDO_VSRAM_PROC12_TRACK_ON_CTRL */ /* [2:2]: RG_LDO_VSRAM_PROC12_TRACK_VPROC12_ON_CTRL */ {0x1B6C, 0x6, 0x6, 0}, + + /* Vproc11/Vproc12 to 1.05V */ + {0x13a6, 0x58, 0x7F, 0}, + {0x140a, 0x58, 0x7F, 0}, }; static struct pmic_setting lp_setting[] = { -- cgit v1.2.3