diff options
| author | Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com> | 2019-07-10 21:31:34 +0800 |
|---|---|---|
| committer | Julius Werner <jwerner@chromium.org> | 2019-08-21 18:12:15 +0000 |
| commit | e804695c6a327b7e9d1ac0838dcd818520224f26 (patch) | |
| tree | e48828c6d07968628ca133890dee5c116ee9140b /src | |
| parent | 4c095fc9e91e68ab15d2ff256260acc9fd65dd91 (diff) | |
| download | coreboot-e804695c6a327b7e9d1ac0838dcd818520224f26.tar.xz | |
mediatek/mt8183: add scp voltage initialization
Add scp voltage initialization.
BUG=b:135985700
BRANCH=none
Test=Boots correctly on Kukui and scp can boot up normally
Change-Id: I5afb60af3c14490e20f28f1c089cfca42ddf7fcf
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34205
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/kukui/romstage.c | 1 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8183/include/soc/mt6358.h | 1 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8183/mt6358.c | 29 |
3 files changed, 31 insertions, 0 deletions
diff --git a/src/mainboard/google/kukui/romstage.c b/src/mainboard/google/kukui/romstage.c index 1465243f07..a86690b6fb 100644 --- a/src/mainboard/google/kukui/romstage.c +++ b/src/mainboard/google/kukui/romstage.c @@ -32,6 +32,7 @@ void platform_romstage_main(void) /* Adjust VSIM2 down to 2.7V because it is shared with IT6505. */ pmic_set_vsim2_cali(2700); mt_pll_raise_ca53_freq(1989 * MHz); + pmic_init_scp_voltage(); rtc_boot(); mt_mem_init(get_sdram_config()); mtk_mmu_after_dram(); diff --git a/src/soc/mediatek/mt8183/include/soc/mt6358.h b/src/soc/mediatek/mt8183/include/soc/mt6358.h index 277ee9aa35..19ab5e106e 100644 --- a/src/soc/mediatek/mt8183/include/soc/mt6358.h +++ b/src/soc/mediatek/mt8183/include/soc/mt6358.h @@ -40,5 +40,6 @@ struct pmic_setting { void mt6358_init(void); void pmic_set_power_hold(bool enable); void pmic_set_vsim2_cali(unsigned int vsim2_mv); +void pmic_init_scp_voltage(void); #endif /* __SOC_MEDIATEK_MT6358_H__ */ diff --git a/src/soc/mediatek/mt8183/mt6358.c b/src/soc/mediatek/mt8183/mt6358.c index 53d2a43803..fa928cbcf6 100644 --- a/src/soc/mediatek/mt8183/mt6358.c +++ b/src/soc/mediatek/mt8183/mt6358.c @@ -731,11 +731,40 @@ static struct pmic_setting lp_setting[] = { {0x1DA6, 0x0, 0x1, 3}, }; +static struct pmic_setting scp_setting[] = { + /* scp voltage initialization */ + /* [6:0]: RG_BUCK_VCORE_SSHUB_VOSEL */ + {0x14A6, 0x20, 0x7F, 0}, + /* [14:8]: RG_BUCK_VCORE_SSHUB_VOSEL_SLEEP */ + {0x14A6, 0x20, 0x7F, 8}, + /* [0:0]: RG_BUCK_VCORE_SSHUB_EN */ + {0x14A4, 0x1, 0x1, 0}, + /* [1:1]: RG_BUCK_VCORE_SSHUB_SLEEP_VOSEL_EN */ + {0x14A4, 0x0, 0x1, 1}, + /* [6:0]: RG_LDO_VSRAM_OTHERS_SSHUB_VOSEL */ + {0x1BC6, 0x40, 0x7F, 0}, + /* [14:8]: RG_LDO_VSRAM_OTHERS_SSHUB_VOSEL_SLEEP */ + {0x1BC6, 0x40, 0x7F, 8}, + /* [0:0]: RG_LDO_VSRAM_OTHERS_SSHUB_EN */ + {0x1BC4, 0x1, 0x1, 0}, + /* [1:1]: RG_LDO_VSRAM_OTHERS_SSHUB_SLEEP_VOSEL_EN */ + {0x1BC4, 0x0, 0x1, 1}, + /* [4:4]: RG_SRCVOLTEN_LP_EN */ + {0x134, 0x1, 0x1, 4}, +}; void pmic_set_power_hold(bool enable) { pwrap_write_field(PMIC_PWRHOLD, (enable) ? 1 : 0, 0x1, 0); } +void pmic_init_scp_voltage(void) +{ + for (size_t i = 0; i < ARRAY_SIZE(scp_setting); i++) + pwrap_write_field( + scp_setting[i].addr, scp_setting[i].val, + scp_setting[i].mask, scp_setting[i].shift); +} + void pmic_set_vsim2_cali(unsigned int vsim2_mv) { u16 vsim2_reg, cali_mv; |