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vc/mediatek/mt8195: Allow adjusting DRAM voltage in DRAM calibration 

To support DRAM HQA HV/LV test, add an interface for adjusting the DRAM
voltage in DRAM fast calibration flow.
Normal boot flow will not be affected.

Signed-off-by: Ryan Chuang <ryan.chuang@mediatek.corp-partner.google.com>
Change-Id: I4dbb4cb546e6e60693743ffe26b0df28ea501618
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55752
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Ryan Chuang 2021-05-21 15:30:32 +08:00 committed by Hung-Te Lin
parent 506b4c9093
commit 2ecb0ed266
1 changed files with 26 additions and 17 deletions
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31
src/vendorcode/mediatek/mt8195/dramc/dramc_top.c
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@ -29,6 +29,7 @@
#include <soc/dramc_param.h>
#include <soc/emi.h>
#include <soc/regulator.h>
#if DRAM_AUXADC_CONFIG
#include <mtk_auxadc_sw.h>
@ -357,6 +358,8 @@ unsigned int dramc_get_vcore_voltage(void)
{
#ifdef MTK_PMIC_MT6359
return mtk_regulator_get_voltage(&reg_vcore);
#elif CONFIG(CHROMEOS)
return mainboard_get_regulator_vol(MTK_REGULATOR_VCORE);
#else
return 0;
#endif
@ -366,6 +369,8 @@ unsigned int dramc_set_vmdd_voltage(unsigned int ddr_type, unsigned int vdram)
{
#ifdef MTK_PMIC_MT6359
mtk_regulator_set_voltage(&reg_vdram, vdram, MAX_VDRAM);
#elif CONFIG(CHROMEOS)
mainboard_set_regulator_vol(MTK_REGULATOR_VDD2, vdram);
#endif
return 0;
}
@ -373,8 +378,9 @@ unsigned int dramc_set_vmdd_voltage(unsigned int ddr_type, unsigned int vdram)
unsigned int dramc_get_vmdd_voltage(unsigned int ddr_type)
{
#ifdef MTK_PMIC_MT6359
//return mtk_regulator_get_voltage(&reg_vmdd2);
return mtk_regulator_get_voltage(&reg_vdram);
#elif CONFIG(CHROMEOS)
return mainboard_get_regulator_vol(MTK_REGULATOR_VDD2);
#else
return 0;
#endif
@ -383,8 +389,9 @@ unsigned int dramc_get_vmdd_voltage(unsigned int ddr_type)
unsigned int dramc_set_vmddq_voltage(unsigned int ddr_type, unsigned int vddq)
{
#ifdef MTK_PMIC_MT6359
//mtk_regulator_set_voltage(&reg_vmddq, vddq, MAX_VDDQ);
mtk_regulator_set_voltage(&reg_vddq, vddq, MAX_VDDQ);
#elif CONFIG(CHROMEOS)
mainboard_set_regulator_vol(MTK_REGULATOR_VDDQ, vddq);
#endif
return 0;
}
@ -392,8 +399,9 @@ unsigned int dramc_set_vmddq_voltage(unsigned int ddr_type, unsigned int vddq)
unsigned int dramc_get_vmddq_voltage(unsigned int ddr_type)
{
#ifdef MTK_PMIC_MT6359
//return mtk_regulator_get_voltage(&reg_vmddq);
return mtk_regulator_get_voltage(&reg_vddq);
#elif CONFIG(CHROMEOS)
return mainboard_get_regulator_vol(MTK_REGULATOR_VDDQ);
#else
return 0;
#endif
@ -403,6 +411,8 @@ unsigned int dramc_set_vmddr_voltage(unsigned int vmddr)
{
#ifdef MTK_PMIC_MT6359
return mtk_regulator_set_voltage(&reg_vmddr, vmddr, MAX_VMDDR);
#elif CONFIG(CHROMEOS)
mainboard_set_regulator_vol(MTK_REGULATOR_VMDDR, vmddr);
#endif
return 0;
}
@ -411,6 +421,8 @@ unsigned int dramc_get_vmddr_voltage(void)
{
#ifdef MTK_PMIC_MT6359
return mtk_regulator_get_voltage(&reg_vmddr);
#elif CONFIG(CHROMEOS)
return mainboard_get_regulator_vol(MTK_REGULATOR_VMDDR);
#else
return 0;
#endif
@ -419,11 +431,10 @@ unsigned int dramc_get_vmddr_voltage(void)
unsigned int dramc_set_vio18_voltage(unsigned int vio18)
{
#ifdef MTK_PMIC_MT6359
//unsigned int twist = vio18 % UNIT_VIO18_STEP / UNIT_VIO18;
//vio18 -= vio18 % UNIT_VIO18_STEP;
//pmic_config_interface(PMIC_RG_VIO18_2_VOCAL_ADDR, twist, PMIC_RG_VIO18_2_VOCAL_MASK, PMIC_RG_VIO18_2_VOCAL_SHIFT);
//pmic_config_interface(PMIC_RG_VM18_VOCAL_ADDR, twist, PMIC_RG_VM18_VOCAL_MASK, PMIC_RG_VM18_VOCAL_SHIFT);
return mtk_regulator_set_voltage(&reg_vio18, vio18, MAX_VIO18);
#elif CONFIG(CHROMEOS)
mainboard_set_regulator_vol(MTK_REGULATOR_VDD1, vio18);
return 0;
#else
return 0;
#endif
@ -433,11 +444,9 @@ unsigned int dramc_set_vio18_voltage(unsigned int vio18)
unsigned int dramc_get_vio18_voltage(void)
{
#ifdef MTK_PMIC_MT6359
// unsigned int twist = 0;
//pmic_read_interface(PMIC_RG_VIO18_2_VOCAL_ADDR, (void*)&twist, PMIC_RG_VIO18_2_VOCAL_MASK, PMIC_RG_VIO18_2_VOCAL_SHIFT);
// pmic_read_interface(PMIC_RG_VM18_VOCAL_ADDR, &twist, PMIC_RG_VM18_VOCAL_MASK, PMIC_RG_VM18_VOCAL_SHIFT);
// return mtk_regulator_get_voltage(&reg_vio18) + twist * UNIT_VIO18;
return mtk_regulator_get_voltage(&reg_vio18);
#elif CONFIG(CHROMEOS)
return mainboard_get_regulator_vol(MTK_REGULATOR_VDD1);
#else
return 0;
#endif