mirror
/
esp-idf
kopia lustrzana https://github.com/espressif/esp-idf
1
0
Forkuj 0
Kod Zgłoszenia Projekty Wydania Wiki Aktywność
esp-idf/components/esp_hw_support/port/esp32h2/rtc_sleep.c

362 wiersze
14 KiB
C
Czysty Wina Historia

/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdint.h>
#include <stdlib.h>
#include "soc/soc.h"
#include "soc/rtc.h"
#include "soc/rtc_cntl_reg.h"
#include "soc/syscon_reg.h"
#include "soc/i2s_reg.h"
#include "soc/bb_reg.h"
#include "soc/nrx_reg.h"
#include "soc/fe_reg.h"
#include "soc/timer_group_reg.h"
#include "soc/system_reg.h"
#include "esp32h2/rom/ets_sys.h"
#include "esp32h2/rom/rtc.h"
#include "regi2c_ctrl.h"
#include "regi2c_bias.h"
#include "regi2c_ulp.h"
#include "esp_efuse.h"
#include "i2c_pmu.h"
#include "esp_hw_log.h"
#include "esp_rom_uart.h"
#if CONFIG_IDF_TARGET_ESP32H2_BETA_VERSION_2
#define RTC_CNTL_DIG_REGULATOR_REG1 RTC_CNTL_DIG_REGULATOR_REG
#define RTC_CNTL_DIG_REGULATOR_REG2 RTC_CNTL_DIG_REGULATOR_REG
#elif CONFIG_IDF_TARGET_ESP32H2_BETA_VERSION_1
#define RTC_CNTL_DIG_REGULATOR_REG1 RTC_CNTL_DIGULATOR_REG
#define RTC_CNTL_DIG_REGULATOR_REG2 RTC_CNTL_REG
#define RTC_CNTL_DIG_REGULATOR1_DBIAS_REG RTC_CNTL_DIGULATOR1_DBIAS_REG
#define RTC_CNTL_DIG_REGULATOR0_DBIAS_REG RTC_CNTL_DIGULATOR0_DBIAS_REG
#define RTC_CNTL_REGULATOR1_DBIAS_REG RTC_CNTL_RTCULATOR1_DBIAS_REG
#define RTC_CNTL_REGULATOR0_DBIAS_REG RTC_CNTL_RTCULATOR0_DBIAS_REG
#endif
/**
* Configure whether certain peripherals are powered down in deep sleep
* @param cfg power down flags as rtc_sleep_pu_config_t structure
*/
static const char *TAG = "rtc_sleep";
void rtc_sleep_pu(rtc_sleep_pu_config_t cfg)
{
REG_SET_FIELD(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_LSLP_MEM_FORCE_PU, cfg.dig_fpu);
REG_SET_FIELD(RTC_CNTL_PWC_REG, RTC_CNTL_FASTMEM_FORCE_LPU, cfg.rtc_fpu);
REG_SET_FIELD(SYSCON_FRONT_END_MEM_PD_REG, SYSCON_DC_MEM_FORCE_PU, cfg.fe_fpu);
REG_SET_FIELD(SYSCON_FRONT_END_MEM_PD_REG, SYSCON_PBUS_MEM_FORCE_PU, cfg.fe_fpu);
REG_SET_FIELD(SYSCON_FRONT_END_MEM_PD_REG, SYSCON_AGC_MEM_FORCE_PU, cfg.fe_fpu);
REG_SET_FIELD(BBPD_CTRL, BB_FFT_FORCE_PU, cfg.bb_fpu);
REG_SET_FIELD(BBPD_CTRL, BB_DC_EST_FORCE_PU, cfg.bb_fpu);
REG_SET_FIELD(NRXPD_CTRL, NRX_RX_ROT_FORCE_PU, cfg.nrx_fpu);
REG_SET_FIELD(NRXPD_CTRL, NRX_VIT_FORCE_PU, cfg.nrx_fpu);
REG_SET_FIELD(NRXPD_CTRL, NRX_DEMAP_FORCE_PU, cfg.nrx_fpu);
REG_SET_FIELD(FE_GEN_CTRL, FE_IQ_EST_FORCE_PU, cfg.fe_fpu);
REG_SET_FIELD(FE2_TX_INTERP_CTRL, FE2_TX_INF_FORCE_PU, cfg.fe_fpu);
if (cfg.sram_fpu) {
REG_SET_FIELD(SYSCON_MEM_POWER_UP_REG, SYSCON_SRAM_POWER_UP, SYSCON_SRAM_POWER_UP);
} else {
REG_SET_FIELD(SYSCON_MEM_POWER_UP_REG, SYSCON_SRAM_POWER_UP, 0);
}
if (cfg.rom_ram_fpu) {
REG_SET_FIELD(SYSCON_MEM_POWER_UP_REG, SYSCON_ROM_POWER_UP, SYSCON_ROM_POWER_UP);
} else {
REG_SET_FIELD(SYSCON_MEM_POWER_UP_REG, SYSCON_ROM_POWER_UP, 0);
}
}
void dcdc_ctl(uint32_t mode)
{
REG_SET_FIELD(RTC_CNTL_DCDC_CTRL1_REG, RTC_CNTL_DCDC_MODE_IDLE, RTC_CNTL_DCDC_TRX_MODE);
REG_SET_FIELD(RTC_CNTL_DCDC_CTRL1_REG, RTC_CNTL_DCDC_MODE_MONITOR, RTC_CNTL_DCDC_TRX_MODE);
if ((mode & 0x10) == 0x10) {
REG_SET_FIELD(RTC_CNTL_DCDC_CTRL1_REG, RTC_CNTL_DCDC_MODE_SLP, mode);
} else if (mode == 0) {
REG_SET_FIELD(RTC_CNTL_DCDC_CTRL1_REG, RTC_CNTL_DCDC_MODE_SLP, RTC_CNTL_DCDC_TRX_MODE);
} else if (mode == 1) {
REG_SET_FIELD(RTC_CNTL_DCDC_CTRL1_REG, RTC_CNTL_DCDC_MODE_SLP, RTC_CNTL_DCDC_LSLP_MODE);
} else if (mode == 2) {
REG_SET_FIELD(RTC_CNTL_DCDC_CTRL1_REG, RTC_CNTL_DCDC_MODE_SLP, RTC_CNTL_DCDC_DSLP_MODE);
} else {
ESP_HW_LOGE(TAG, "invalid dcdc mode!\n");
}
}
void regulator_set(regulator_cfg_t cfg)
{
// DIG REGULATOR0
if (cfg.dig_regul0_en) {
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG1, RTC_CNTL_DG_REGULATOR_FORCE_PU, 0);
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG1, RTC_CNTL_DG_REGULATOR_FORCE_PD, 0);
} else {
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG1, RTC_CNTL_DG_REGULATOR_FORCE_PU, 0);
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG1, RTC_CNTL_DG_REGULATOR_FORCE_PD, 1);
}
// DIG REGULATOR1
if (cfg.dig_regul1_en) {
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG1, RTC_CNTL_DG_REGULATOR_SLP_FORCE_PU, 0);
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG1, RTC_CNTL_DG_REGULATOR_SLP_FORCE_PD, 0);
} else {
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG1, RTC_CNTL_DG_REGULATOR_SLP_FORCE_PU, 0);
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG1, RTC_CNTL_DG_REGULATOR_SLP_FORCE_PD, 1);
}
// RTC REGULATOR0
if (cfg.rtc_regul0_en) {
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG2, RTC_CNTL_REGULATOR_FORCE_PU, 0);
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG2, RTC_CNTL_REGULATOR_FORCE_PD, 0);
} else {
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG2, RTC_CNTL_REGULATOR_FORCE_PU, 0);
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG2, RTC_CNTL_REGULATOR_FORCE_PD, 1);
}
}
void regulator_slt(regulator_config_t regula_cfg)
{
// dig regulator
if (regula_cfg.dig_source == 1) {
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR1_DBIAS_REG, RTC_CNTL_DIG_REGULATOR1_DBIAS_SLP, regula_cfg.dig_slp_dbias);
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR1_DBIAS_REG, RTC_CNTL_DIG_REGULATOR1_DBIAS_ACTIVE, regula_cfg.dig_active_dbias);
} else {
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR0_DBIAS_REG, RTC_CNTL_DIG_REGULATOR0_DBIAS_SLP, regula_cfg.dig_slp_dbias);
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR0_DBIAS_REG, RTC_CNTL_DIG_REGULATOR0_DBIAS_ACTIVE, regula_cfg.dig_active_dbias);
}
// rtc regulator
if (regula_cfg.rtc_source == 1) {
REG_SET_FIELD(RTC_CNTL_REGULATOR1_DBIAS_REG, RTC_CNTL_REGULATOR1_DBIAS_SLP, regula_cfg.rtc_slp_dbias);
REG_SET_FIELD(RTC_CNTL_REGULATOR1_DBIAS_REG, RTC_CNTL_REGULATOR1_DBIAS_ACTIVE, regula_cfg.rtc_active_dbias);
} else {
REG_SET_FIELD(RTC_CNTL_REGULATOR0_DBIAS_REG, RTC_CNTL_REGULATOR0_DBIAS_SLP, regula_cfg.rtc_slp_dbias);
REG_SET_FIELD(RTC_CNTL_REGULATOR0_DBIAS_REG, RTC_CNTL_REGULATOR0_DBIAS_ACTIVE, regula_cfg.rtc_active_dbias);
}
}
void dbias_switch_set(dbias_swt_cfg_t cfg)
{
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG2, RTC_CNTL_DBIAS_SWITCH_IDLE, cfg.swt_idle);
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG2, RTC_CNTL_DBIAS_SWITCH_MONITOR, cfg.swt_monitor);
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG2, RTC_CNTL_DBIAS_SWITCH_SLP, cfg.swt_slp);
}
void left_up_trx_fpu(bool fpu)
{
if (fpu) {
REGI2C_WRITE_MASK(I2C_BIAS, I2C_BIAS_FORCE_DISABLE_BIAS_SLEEP, 0);
REGI2C_WRITE_MASK(I2C_ULP, I2C_ULP_IR_FORCE_XPD_BIAS_BUF, 0);
REGI2C_WRITE_MASK(I2C_ULP, I2C_ULP_IR_FORCE_XPD_IPH, 0);
SET_PERI_REG_MASK(RTC_CNTL_ANA_CONF_REG, RTC_CNTL_XPD_TRX_FORCE_PU);
} else {
CLEAR_PERI_REG_MASK(RTC_CNTL_ANA_CONF_REG, RTC_CNTL_XPD_TRX_FORCE_PU);
}
}
void rtc_sleep_pmu_init(void)
{
dcdc_ctl(DCDC_SLP_DSLP_MODE);
dbias_swt_cfg_t swt_cfg = DBIAS_SWITCH_CONFIG_DEFAULT();
dbias_switch_set(swt_cfg);
regulator_config_t regula0_cfg = REGULATOR0_CONFIG_DEFAULT();
regulator_slt(regula0_cfg);
regulator_config_t regula1_cfg = REGULATOR1_CONFIG_DEFAULT();
regulator_slt(regula1_cfg);
regulator_cfg_t rg_set = REGULATOR_SET_DEFAULT();
regulator_set(rg_set);
left_up_trx_fpu(0);
}
void rtc_sleep_init(rtc_sleep_config_t cfg)
{
if (cfg.lslp_mem_inf_fpu) {
rtc_sleep_pu_config_t pu_cfg = RTC_SLEEP_PU_CONFIG_ALL(1);
rtc_sleep_pu(pu_cfg);
}
if (cfg.bt_pd_en) {
SET_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_BT_PD_EN);
} else {
CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_BT_PD_EN);
}
if (cfg.cpu_pd_en) {
SET_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_CPU_TOP_PD_EN);
} else {
CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_CPU_TOP_PD_EN);
}
if (cfg.dig_peri_pd_en) {
SET_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_PERI_PD_EN);
} else {
CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_PERI_PD_EN);
}
if (cfg.dig_ret_pd_en) {
SET_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_WRAP_RET_PD_EN);
} else {
CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_WRAP_RET_PD_EN);
}
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_BIAS_SLEEP_MONITOR, RTC_CNTL_BIASSLP_MONITOR_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_BIAS_SLEEP_DEEP_SLP, RTC_CNTL_BIASSLP_SLEEP_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_PD_CUR_MONITOR, RTC_CNTL_PD_CUR_MONITOR_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_PD_CUR_DEEP_SLP, RTC_CNTL_PD_CUR_SLEEP_DEFAULT);
// ESP32-H2 TO-DO: IDF-3693
if (cfg.deep_slp) {
// REGI2C_WRITE_MASK(I2C_ULP, I2C_ULP_IR_FORCE_XPD_CK, 0);
// CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_REGULATOR_REG2, RTC_CNTL_REGULATOR_FORCE_PU);
SET_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_WRAP_PD_EN);
CLEAR_PERI_REG_MASK(RTC_CNTL_ANA_CONF_REG,
RTC_CNTL_CKGEN_I2C_PU | RTC_CNTL_PLL_I2C_PU |
RTC_CNTL_RFRX_PBUS_PU | RTC_CNTL_TXRF_I2C_PU);
CLEAR_PERI_REG_MASK(RTC_CNTL_OPTIONS0_REG, RTC_CNTL_BB_I2C_FORCE_PU);
} else {
SET_PERI_REG_MASK(RTC_CNTL_DIG_REGULATOR_REG1, RTC_CNTL_DG_VDD_DRV_B_SLP_EN);
REG_SET_FIELD(RTC_CNTL_DIG_REGULATOR_REG1, RTC_CNTL_DG_VDD_DRV_B_SLP, RTC_CNTL_DG_VDD_DRV_B_SLP_DEFAULT);
// SET_PERI_REG_MASK(RTC_CNTL_DIG_REGULATOR_REG2, RTC_CNTL_REGULATOR_FORCE_PU);
CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_WRAP_PD_EN);
}
if (!cfg.int_8m_pd_en) {
SET_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU);
SET_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_NOGATING);
} else {
CLEAR_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU);
CLEAR_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_NOGATING);
}
/* enable VDDSDIO control by state machine */
REG_CLR_BIT(RTC_CNTL_SDIO_CONF_REG, RTC_CNTL_SDIO_FORCE);
REG_SET_FIELD(RTC_CNTL_SDIO_CONF_REG, RTC_CNTL_SDIO_PD_EN, cfg.vddsdio_pd_en);
REG_SET_FIELD(RTC_CNTL_SLP_REJECT_CONF_REG, RTC_CNTL_DEEP_SLP_REJECT_EN, cfg.deep_slp_reject);
REG_SET_FIELD(RTC_CNTL_SLP_REJECT_CONF_REG, RTC_CNTL_LIGHT_SLP_REJECT_EN, cfg.light_slp_reject);
/* gating XTAL clock */
REG_CLR_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_XTAL_GLOBAL_FORCE_NOGATING);
esp_rom_uart_tx_wait_idle(0);
}
void rtc_sleep_low_init(uint32_t slowclk_period)
{
// set 5 PWC state machine times to fit in main state machine time
REG_SET_FIELD(RTC_CNTL_TIMER1_REG, RTC_CNTL_PLL_BUF_WAIT, RTC_CNTL_PLL_BUF_WAIT_SLP_CYCLES);
REG_SET_FIELD(RTC_CNTL_TIMER1_REG, RTC_CNTL_XTL_BUF_WAIT, rtc_time_us_to_slowclk(RTC_CNTL_XTL_BUF_WAIT_SLP_US, slowclk_period));
REG_SET_FIELD(RTC_CNTL_TIMER1_REG, RTC_CNTL_CK8M_WAIT, RTC_CNTL_CK8M_WAIT_SLP_CYCLES);
}
void rtc_sleep_set_wakeup_time(uint64_t t)
{
WRITE_PERI_REG(RTC_CNTL_SLP_TIMER0_REG, t & UINT32_MAX);
WRITE_PERI_REG(RTC_CNTL_SLP_TIMER1_REG, t >> 32);
}
static uint32_t rtc_sleep_finish(uint32_t lslp_mem_inf_fpu);
uint32_t rtc_sleep_start(uint32_t wakeup_opt, uint32_t reject_opt, uint32_t lslp_mem_inf_fpu)
{
REG_SET_FIELD(RTC_CNTL_WAKEUP_STATE_REG, RTC_CNTL_WAKEUP_ENA, wakeup_opt);
REG_SET_FIELD(RTC_CNTL_SLP_REJECT_CONF_REG, RTC_CNTL_SLEEP_REJECT_ENA, reject_opt);
/* Start entry into sleep mode */
SET_PERI_REG_MASK(RTC_CNTL_STATE0_REG, RTC_CNTL_SLEEP_EN);
while (GET_PERI_REG_MASK(RTC_CNTL_INT_RAW_REG,
RTC_CNTL_SLP_REJECT_INT_RAW | RTC_CNTL_SLP_WAKEUP_INT_RAW) == 0) {
;
}
return rtc_sleep_finish(lslp_mem_inf_fpu);
}
#define STR2(X) #X
#define STR(X) STR2(X)
uint32_t rtc_deep_sleep_start(uint32_t wakeup_opt, uint32_t reject_opt)
{
REG_SET_FIELD(RTC_CNTL_WAKEUP_STATE_REG, RTC_CNTL_WAKEUP_ENA, wakeup_opt);
WRITE_PERI_REG(RTC_CNTL_SLP_REJECT_CONF_REG, reject_opt);
/* Calculate RTC Fast Memory CRC (for wake stub) & go to deep sleep
Because we may be running from RTC memory as stack, we can't easily call any
functions to do this (as registers will spill to stack, corrupting the CRC).
Instead, load all the values we need into registers then use register ops only to calculate
the CRC value, write it to the RTC CRC value register, and immediately go into deep sleep.
*/
/* Values used to set the SYSTEM_RTC_FASTMEM_CONFIG_REG value */
const unsigned CRC_START_ADDR = 0;
const unsigned CRC_LEN = 0x7ff;
asm volatile(
/* Start CRC calculation */
"sw %1, 0(%0)\n" // set RTC_MEM_CRC_ADDR & RTC_MEM_CRC_LEN
"or t0, %1, %2\n"
"sw t0, 0(%0)\n" // set RTC_MEM_CRC_START
/* Wait for the CRC calculation to finish */
".Lwaitcrc:\n"
"fence\n"
"lw t0, 0(%0)\n"
"li t1, "STR(SYSTEM_RTC_MEM_CRC_FINISH)"\n"
"and t0, t0, t1\n"
"beqz t0, .Lwaitcrc\n"
"not %2, %2\n" // %2 -> ~DPORT_RTC_MEM_CRC_START
"and t0, t0, %2\n"
"sw t0, 0(%0)\n" // clear RTC_MEM_CRC_START
"fence\n"
"not %2, %2\n" // %2 -> DPORT_RTC_MEM_CRC_START, probably unnecessary but gcc assumes inputs unchanged
/* Store the calculated value in RTC_MEM_CRC_REG */
"lw t0, 0(%3)\n"
"sw t0, 0(%4)\n"
"fence\n"
/* Set register bit to go into deep sleep */
"lw t0, 0(%5)\n"
"or t0, t0, %6\n"
"sw t0, 0(%5)\n"
"fence\n"
/* Wait for sleep reject interrupt (never finishes if successful) */
".Lwaitsleep:"
"fence\n"
"lw t0, 0(%7)\n"
"and t0, t0, %8\n"
"beqz t0, .Lwaitsleep\n"
:
:
"r" (SYSTEM_RTC_FASTMEM_CONFIG_REG), // %0
"r" ( (CRC_START_ADDR << SYSTEM_RTC_MEM_CRC_START_S)
| (CRC_LEN << SYSTEM_RTC_MEM_CRC_LEN_S)), // %1
"r" (SYSTEM_RTC_MEM_CRC_START), // %2
"r" (SYSTEM_RTC_FASTMEM_CRC_REG), // %3
"r" (RTC_MEMORY_CRC_REG), // %4
"r" (RTC_CNTL_STATE0_REG), // %5
"r" (RTC_CNTL_SLEEP_EN), // %6
"r" (RTC_CNTL_INT_RAW_REG), // %7
"r" (RTC_CNTL_SLP_REJECT_INT_RAW | RTC_CNTL_SLP_WAKEUP_INT_RAW) // %8
: "t0", "t1" // working registers
);
return rtc_sleep_finish(0);
}
static uint32_t rtc_sleep_finish(uint32_t lslp_mem_inf_fpu)
{
/* In deep sleep mode, we never get here */
uint32_t reject = REG_GET_FIELD(RTC_CNTL_INT_RAW_REG, RTC_CNTL_SLP_REJECT_INT_RAW);
SET_PERI_REG_MASK(RTC_CNTL_INT_CLR_REG,
RTC_CNTL_SLP_REJECT_INT_CLR | RTC_CNTL_SLP_WAKEUP_INT_CLR);
/* restore config if it is a light sleep */
if (lslp_mem_inf_fpu) {
rtc_sleep_pu_config_t pu_cfg = RTC_SLEEP_PU_CONFIG_ALL(1);
rtc_sleep_pu(pu_cfg);
}
return reject;
}
Reference in New Issue View Git Blame Kopiuj bezpośredni odnośnik