diff options
| -rw-r--r-- | src/soc/mediatek/mt8186/mt6366.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/soc/mediatek/mt8186/mt6366.c b/src/soc/mediatek/mt8186/mt6366.c index 9ca7c05253..90ff3287d4 100644 --- a/src/soc/mediatek/mt8186/mt6366.c +++ b/src/soc/mediatek/mt8186/mt6366.c @@ -420,6 +420,12 @@ static const int vddq_votrim[] = { 80000, 70000, 60000, 50000, 40000, 30000, 20000, 10000, }; +static void mt6366_protect_control(bool en_protect) +{ + /* Write a magic number 0x9CA7 to disable protection */ + pwrap_write_field(PMIC_TOP_TMA_KEY, en_protect ? 0 : 0x9CA7, 0xFFFF, 0); +} + static u32 pmic_read_efuse(int i) { u32 efuse_data = 0; @@ -591,9 +597,9 @@ static void pmic_set_vddq_vol(u32 vddq_uv) assert(cali_trim < ARRAY_SIZE(vddq_votrim)); } - pwrap_write_field(PMIC_TOP_TMA_KEY, 0x9CA7, 0xFFFF, 0); + mt6366_protect_control(false); pwrap_write_field(PMIC_VDDQ_ELR_0, cali_trim, 0xF, 0); - pwrap_write_field(PMIC_TOP_TMA_KEY, 0, 0xFFFF, 0); + mt6366_protect_control(true); udelay(1); } @@ -779,10 +785,12 @@ static void pmic_wdt_set(void) static void mt6366_init_setting(void) { + mt6366_protect_control(false); for (size_t i = 0; i < ARRAY_SIZE(init_setting); i++) pwrap_write_field( init_setting[i].addr, init_setting[i].val, init_setting[i].mask, init_setting[i].shift); + mt6366_protect_control(true); } static void wk_sleep_voltage_by_ddr(void) @@ -793,11 +801,10 @@ static void wk_sleep_voltage_by_ddr(void) static void wk_power_down_seq(void) { - /* Write TMA KEY with magic number */ - pwrap_write_field(PMIC_TOP_TMA_KEY, 0x9CA7, 0xFFFF, 0); + mt6366_protect_control(false); /* Set VPROC12 sequence to VA12 */ pwrap_write_field(PMIC_CPSDSA4, 0xA, 0x1F, 0); - pwrap_write_field(PMIC_TOP_TMA_KEY, 0x0, 0xFFFF, 0); + mt6366_protect_control(true); } static void mt6366_lp_setting(void) |