diff options
| -rw-r--r-- | src/soc/mediatek/mt8188/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8188/include/soc/rtc.h | 93 |
2 files changed, 94 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8188/Makefile.inc b/src/soc/mediatek/mt8188/Makefile.inc index 8db9c789a4..647ba65239 100644 --- a/src/soc/mediatek/mt8188/Makefile.inc +++ b/src/soc/mediatek/mt8188/Makefile.inc @@ -20,6 +20,7 @@ romstage-y += ../common/mt6359p.c mt6359p.c romstage-y += ../common/pmif.c ../common/pmif_clk.c pmif_clk.c romstage-y += ../common/pmif_spi.c pmif_spi.c romstage-y += ../common/pmif_spmi.c pmif_spmi.c +romstage-y += ../common/rtc.c ../common/rtc_osc_init.c ../common/rtc_mt6359p.c ramstage-y += ../common/auxadc.c ramstage-y += emi.c diff --git a/src/soc/mediatek/mt8188/include/soc/rtc.h b/src/soc/mediatek/mt8188/include/soc/rtc.h new file mode 100644 index 0000000000..5061471a0b --- /dev/null +++ b/src/soc/mediatek/mt8188/include/soc/rtc.h @@ -0,0 +1,93 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef SOC_MEDIATEK_MT8188_RTC_H +#define SOC_MEDIATEK_MT8188_RTC_H + +#include <soc/pmif.h> +#include <soc/rtc_reg_common.h> +#include <stdbool.h> + +/* RTC registers */ +enum { + RTC_BBPU_ENABLE_ALARM = 1U << 0, + RTC_BBPU_SPAR_SW = 1U << 1, + RTC_BBPU_RESET_SPAR = 1U << 2, + RTC_BBPU_RESET_ALARM = 1U << 3, + RTC_BBPU_CLRPKY = 1U << 4, + RTC_BBPU_RELOAD = 1U << 5, + RTC_BBPU_CBUSY = 1U << 6, + RTC_CBUSY_TIMEOUT_US = 1000000, +}; + +enum { + RTC_XOSCCALI_MASK = 0x1F << 0, + RTC_XOSC32_ENB = 1U << 5, + RTC_EMB_HW_MODE = 0U << 6, + RTC_EMB_K_EOSC32_MODE = 1U << 6, + RTC_EMB_SW_DCXO_MODE = 2U << 6, + RTC_EMB_SW_EOSC32_MODE = 3U << 6, + RTC_EMBCK_SEL_MODE_MASK = 3U << 6, + RTC_EMBCK_SRC_SEL = 1U << 8, + RTC_EMBCK_SEL_OPTION = 1U << 9, + RTC_GPS_CKOUT_EN = 1U << 10, + RTC_EOSC32_VCT_EN = 1U << 11, + RTC_EOSC32_CHOP_EN = 1U << 12, + RTC_GP_OSC32_CON = 2U << 13, + RTC_REG_XOSC32_ENB = 1U << 15, +}; + +enum { + OSC32CON_ANALOG_SETTING = RTC_GP_OSC32_CON | RTC_EOSC32_CHOP_EN | + RTC_EOSC32_VCT_EN | RTC_GPS_CKOUT_EN | RTC_EMBCK_SEL_OPTION | + RTC_EMB_K_EOSC32_MODE, +}; + +enum { + PMIC_RG_BANK_FQMTR_RST = 0x522, +}; + +enum { + PMIC_RG_FQMTR_DCXO26M_EN_SHIFT = 4, + PMIC_RG_BANK_FQMTR_RST_SHIFT = 6, +}; + +/* PMIC frequency meter definition */ +enum { + PMIC_RG_FQMTR_CKSEL = 0x0118, + PMIC_RG_FQMTR_RST = 0x013A, + PMIC_RG_FQMTR_CON0 = 0x0546, + PMIC_RG_FQMTR_WINSET = 0x0548, + PMIC_RG_FQMTR_DATA = 0x054A, + FQMTR_TIMEOUT_US = 8000, +}; + +enum { + PMIC_FQMTR_FIX_CLK_26M = 0U << 0, + PMIC_FQMTR_FIX_CLK_XOSC_32K_DET = 1U << 0, + PMIC_FQMTR_FIX_CLK_EOSC_32K = 2U << 0, + PMIC_FQMTR_FIX_CLK_RTC_32K = 3U << 0, + PMIC_FQMTR_FIX_CLK_DCXO1M_CK = 4U << 0, + PMIC_FQMTR_FIX_CLK_TCK_SEC = 5U << 0, + PMIC_FQMTR_FIX_CLK_PMU_32K = 6U << 0, + PMIC_FQMTR_CKSEL_MASK = 7U << 0, +}; + +enum { + RTC_TC_MTH_MASK = 0xf, +}; + +enum { + RTC_K_EOSC_RSV_0 = 1 << 8, + RTC_K_EOSC_RSV_1 = 1 << 9, + RTC_K_EOSC_RSV_2 = 1 << 10, +}; + +void rtc_read(u16 addr, u16 *rdata); +void rtc_write(u16 addr, u16 wdata); +void rtc_bbpu_power_on(void); +int rtc_init(int recover); +bool rtc_gpio_init(void); +void rtc_boot(void); +u16 rtc_get_frequency_meter(u16 val, u16 measure_src, u16 window_size); + +#endif /* SOC_MEDIATEK_MT8188_RTC_H */ |