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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 <tristan.shieh@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32396
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: You-Cheng Syu <youcheng@google.com>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
This commit is contained in:
Tristan Shieh 2019-04-23 14:09:52 +08:00 committed by Patrick Georgi
parent 9f3aa702a9
commit dcb2eef582
1 changed files with 4 additions and 0 deletions
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4
src/soc/mediatek/mt8183/mt6358.c
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@ -493,6 +493,10 @@ static struct pmic_setting init_setting[] = {
/* [2:1]: RG_LDO_VSRAM_PROC12_TRACK_ON_CTRL */ /* [2:1]: RG_LDO_VSRAM_PROC12_TRACK_ON_CTRL */
/* [2:2]: RG_LDO_VSRAM_PROC12_TRACK_VPROC12_ON_CTRL */ /* [2:2]: RG_LDO_VSRAM_PROC12_TRACK_VPROC12_ON_CTRL */
{0x1B6C, 0x6, 0x6, 0}, {0x1B6C, 0x6, 0x6, 0},
/* Vproc11/Vproc12 to 1.05V */
{0x13a6, 0x58, 0x7F, 0},
{0x140a, 0x58, 0x7F, 0},
}; };
static struct pmic_setting lp_setting[] = { static struct pmic_setting lp_setting[] = {