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soc/mediatek/common: add mt6359p vcore support

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Add mt6359p vcore set/get support.
To adjust frequency of little core, we need to adjust voltage of vcore.

Signed-off-by: James Lo <james.lo@mediatek.corp-partner.google.com>
Change-Id: Ibf49390ba78870b834c6d0b64e3f0f30f3494f18
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56843
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
James Lo
2021-08-04 14:17:16 +08:00
committed by Hung-Te Lin
parent ca33b74acf
commit 55c98c368c
2 changed files with 12 additions and 0 deletions
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3
src/soc/mediatek/common/include/soc/mt6359p.h
View File

@@ -18,6 +18,8 @@ enum {
PMIC_OTP_CON12 = 0x03a2,
PMIC_OTP_CON13 = 0x03a4,
PMIC_PWRHOLD = 0x0a08,
PMIC_VCORE_DBG0 = 0x1526,
PMIC_VCORE_ELR0 = 0x152c,
PMIC_VGPU11_DBG0 = 0x15a6,
PMIC_VGPU11_ELR0 = 0x15b4,
PMIC_VS2_VOTER = 0x18aa,
@@ -50,6 +52,7 @@ enum {
MT6359P_GPU11 = 0,
MT6359P_SRAM_PROC1,
MT6359P_SRAM_PROC2,
MT6359P_CORE,
MT6359P_MAX,
};

9
src/soc/mediatek/common/mt6359p.c
View File

@@ -177,6 +177,10 @@ void mt6359p_buck_set_voltage(u32 buck_id, u32 buck_uv)
vol_offset = 500000;
vol_reg = PMIC_VSRAM_PROC2_ELR;
break;
case MT6359P_CORE:
vol_offset = 506250;
vol_reg = PMIC_VCORE_ELR0;
break;
default:
die("ERROR: Unknown buck_id %u", buck_id);
return;
@@ -209,6 +213,11 @@ u32 mt6359p_buck_get_voltage(u32 buck_id)
vol_offset = 500000;
vol_reg = PMIC_VSRAM_PROC2_VOSEL1;
break;
case MT6359P_CORE:
vol_shift = 0;
vol_offset = 506250;
vol_reg = PMIC_VCORE_DBG0;
break;
default:
die("ERROR: Unknown buck_id %u", buck_id);
return 0;