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periph retention: runtime critical digital peripherals sleep retention support

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fuzhibo@espressif.com 2023-02-14 14:35:05 +08:00 committed by wuzhenghui
parent d097bbe40b
commit e252748d92
5 changed files with 308 additions and 1 deletions
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2
components/esp_hw_support/CMakeLists.txt
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@ -35,7 +35,7 @@ if(NOT BOOTLOADER_BUILD)
endif()
if(CONFIG_SOC_PAU_SUPPORTED)
list(APPEND srcs "sleep_retention.c")
list(APPEND srcs "sleep_retention.c" "sleep_peripheral.c")
endif()
# [refactor-todo]: requires "driver" for GPIO and RTC (by sleep_gpio and sleep_modes)

43
components/esp_hw_support/include/esp_private/sleep_peripheral.h Normal file
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@ -0,0 +1,43 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include "sdkconfig.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @file sleep_peripheral.h
*
* This file contains declarations of digital peripheral retention related functions in light sleep mode.
*/
/**
* @brief Whether to allow the TOP power domain to be powered off.
*
* In light sleep mode, only when the system can provide enough memory
* for digital peripheral retention, the TOP power domain can be powered off.
*
* @return True to allow power off
*/
bool peripheral_domain_pd_allowed(void);
/**
* @brief Digital peripheral power down initialize\
*
* @return ESP_OK on success
* ESP_ERR_INVALID_ARG on invalid sleep_retention_entries_create args
* No memory for the retention link
*/
void sleep_peripheral_retention_init(void);
#ifdef __cplusplus
}
#endif

254
components/esp_hw_support/sleep_peripheral.c Normal file
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@ -0,0 +1,254 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stddef.h>
#include <string.h>
#include "sdkconfig.h"
#include "soc/soc_caps.h"
#include "esp_sleep.h"
#include "esp_log.h"
#include "esp_check.h"
#include "esp_private/startup_internal.h"
#include "esp_private/sleep_retention.h"
#include "esp_regdma.h"
#include "soc/uart_reg.h"
#include "soc/systimer_reg.h"
#include "soc/timer_group_reg.h"
#include "soc/spi_mem_reg.h"
#include "soc/hp_system_reg.h"
#include "soc/tee_reg.h"
#include "soc/hp_apm_reg.h"
#include "soc/gpio_reg.h"
#include "soc/io_mux_reg.h"
#include "soc/interrupt_matrix_reg.h"
static __attribute__((unused)) const char *TAG = "sleep_peripheral";
#define SLEEP_RETENTION_PERIPHERALS_PRIORITY_DEFAULT (REGDMA_LINK_PRI_6)
esp_err_t sleep_peripheral_intr_matrix_retention_init(void)
{
#define N_REGS_INTR_MATRIX() (((INTMTX_CORE0_CLOCK_GATE_REG - DR_REG_INTERRUPT_MATRIX_BASE) / 4) + 1)
const static sleep_retention_entries_config_t intr_matrix_regs_retention[] = {
[0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_INTMTX_LINK(0), DR_REG_INTERRUPT_MATRIX_BASE, DR_REG_INTERRUPT_MATRIX_BASE, N_REGS_INTR_MATRIX(), 0, 0), .owner = ENTRY(0) | ENTRY(2) } /* intr matrix */
};
esp_err_t err = sleep_retention_entries_create(intr_matrix_regs_retention, ARRAY_SIZE(intr_matrix_regs_retention), REGDMA_LINK_PRI_5, SLEEP_RETENTION_MODULE_INTR_MATRIX);
ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (Interrupt matrix) retention");
ESP_LOGI(TAG, "Interrupt Matrix sleep retention initialization");
return ESP_OK;
}
esp_err_t sleep_peripheral_hp_system_retention_init(void)
{
#define N_REGS_HP_SYSTEM() (((HP_SYSTEM_MEM_TEST_CONF_REG - DR_REG_HP_SYSTEM_BASE) / 4) + 1)
const static sleep_retention_entries_config_t hp_system_regs_retention[] = {
[0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_HPSYS_LINK(0), DR_REG_HP_SYSTEM_BASE, DR_REG_HP_SYSTEM_BASE, N_REGS_HP_SYSTEM(), 0, 0), .owner = ENTRY(0) | ENTRY(2) } /* hp system */
};
esp_err_t err = sleep_retention_entries_create(hp_system_regs_retention, ARRAY_SIZE(hp_system_regs_retention), REGDMA_LINK_PRI_5, SLEEP_RETENTION_MODULE_HP_SYSTEM);
ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (HP system) retention");
ESP_LOGI(TAG, "HP System sleep retention initialization");
return ESP_OK;
}
esp_err_t sleep_peripheral_tee_apm_retention_init(void)
{
#define N_REGS_TEE() (((TEE_CLOCK_GATE_REG - DR_REG_TEE_BASE) / 4) + 1)
#define N_REGS_APM() (((HP_APM_CLOCK_GATE_REG - DR_REG_HP_APM_BASE) / 4) + 1)
const static sleep_retention_entries_config_t tee_apm_regs_retention[] = {
[0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TEEAPM_LINK(0), DR_REG_TEE_BASE, DR_REG_TEE_BASE, N_REGS_TEE(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* tee */
[1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TEEAPM_LINK(0), DR_REG_HP_APM_BASE, DR_REG_HP_APM_BASE, N_REGS_APM(), 0, 0), .owner = ENTRY(0) | ENTRY(2) } /* apm */
};
esp_err_t err = sleep_retention_entries_create(tee_apm_regs_retention, ARRAY_SIZE(tee_apm_regs_retention), REGDMA_LINK_PRI_4, SLEEP_RETENTION_MODULE_TEE_APM);
ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (TEE/APM) retention");
ESP_LOGI(TAG, "TEE/APM sleep retention initialization");
return ESP_OK;
}
esp_err_t sleep_peripheral_uart0_retention_init(void)
{
#define N_REGS_UART() (((UART_ID_REG(0) - REG_UART_BASE(0)) / 4) + 1)
const static sleep_retention_entries_config_t uart_regs_retention[] = {
[0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_UART_LINK(0x00), REG_UART_BASE(0), REG_UART_BASE(0), N_REGS_UART(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* uart */
/* Note: uart register should set update reg to make the configuration take effect */
[1] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_UART_LINK(0x01), UART_REG_UPDATE_REG(0), UART_REG_UPDATE, UART_REG_UPDATE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[2] = { .config = REGDMA_LINK_WAIT_INIT (REGDMA_UART_LINK(0x02), UART_REG_UPDATE_REG(0), 0x0, UART_REG_UPDATE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }
};
esp_err_t err = sleep_retention_entries_create(uart_regs_retention, ARRAY_SIZE(uart_regs_retention), REGDMA_LINK_PRI_5, SLEEP_RETENTION_MODULE_UART0);
ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (UART) retention");
ESP_LOGI(TAG, "UART sleep retention initialization");
return ESP_OK;
}
esp_err_t sleep_peripheral_tg0_retention_init(void)
{
#define N_REGS_TG() (((TIMG_REGCLK_REG(0) - REG_TIMG_BASE(0)) / 4) + 1)
const static sleep_retention_entries_config_t tg_regs_retention[] = {
/*Timer group0 backup. T0_wdt should get of write project firstly. wdt used by RTOS.*/
[0] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TIMG_LINK(0x00), TIMG_WDTWPROTECT_REG(0), TIMG_WDT_WKEY_VALUE, TIMG_WDT_WKEY_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, /* TG0 */
[1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TIMG_LINK(0x01), REG_TIMG_BASE(0), REG_TIMG_BASE(0), N_REGS_TG(), 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[2] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TIMG_LINK(0x02), TIMG_WDTWPROTECT_REG(0), TIMG_WDT_WKEY_VALUE, TIMG_WDT_WKEY_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[3] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TIMG_LINK(0x03), TIMG_WDTCONFIG0_REG(0), TIMG_WDT_CONF_UPDATE_EN, TIMG_WDT_CONF_UPDATE_EN_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[4] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TIMG_LINK(0x04), TIMG_T0UPDATE_REG(0), TIMG_T0_UPDATE, TIMG_T0_UPDATE_M, 0, 1), .owner = ENTRY(0) | ENTRY(2) },
[5] = { .config = REGDMA_LINK_WAIT_INIT (REGDMA_TIMG_LINK(0x05), TIMG_T0UPDATE_REG(0), 0x0, TIMG_T0_UPDATE_M, 0, 1), .owner = ENTRY(0) | ENTRY(2) },
[6] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TIMG_LINK(0x06), TIMG_T0LO_REG(0), TIMG_T0LOADLO_REG(0), 2, 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[7] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TIMG_LINK(0x07), TIMG_T0LOAD_REG(0), 0x1, TIMG_T0_LOAD_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }
};
esp_err_t err = sleep_retention_entries_create(tg_regs_retention, ARRAY_SIZE(tg_regs_retention), SLEEP_RETENTION_PERIPHERALS_PRIORITY_DEFAULT, SLEEP_RETENTION_MODULE_TG0);
ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (Timer Group) retention");
ESP_LOGI(TAG, "Timer Group sleep retention initialization");
return ESP_OK;
}
esp_err_t sleep_peripheral_iomux_retention_init(void)
{
#define N_REGS_IOMUX_0() (((PERIPHS_IO_MUX_SPID_U - REG_IO_MUX_BASE) / 4) + 1)
#define N_REGS_IOMUX_1() (((GPIO_FUNC34_OUT_SEL_CFG_REG - GPIO_FUNC0_OUT_SEL_CFG_REG) / 4) + 1)
#define N_REGS_IOMUX_2() (((GPIO_FUNC124_IN_SEL_CFG_REG - GPIO_STATUS_NEXT_REG) / 4) + 1)
#define N_REGS_IOMUX_3() (((GPIO_PIN34_REG - DR_REG_GPIO_BASE) / 4) + 1)
const static sleep_retention_entries_config_t iomux_regs_retention[] = {
[0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_IOMUX_LINK(0x00), REG_IO_MUX_BASE, REG_IO_MUX_BASE, N_REGS_IOMUX_0(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* io_mux */
[1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_IOMUX_LINK(0x01), GPIO_FUNC0_OUT_SEL_CFG_REG, GPIO_FUNC0_OUT_SEL_CFG_REG, N_REGS_IOMUX_1(), 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[2] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_IOMUX_LINK(0x02), GPIO_STATUS_NEXT_REG, GPIO_STATUS_NEXT_REG, N_REGS_IOMUX_2(), 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[3] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_IOMUX_LINK(0x03), DR_REG_GPIO_BASE, DR_REG_GPIO_BASE, N_REGS_IOMUX_3(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }
};
esp_err_t err = sleep_retention_entries_create(iomux_regs_retention, ARRAY_SIZE(iomux_regs_retention), SLEEP_RETENTION_PERIPHERALS_PRIORITY_DEFAULT, SLEEP_RETENTION_MODULE_IOMUX);
ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (IO Matrix) retention");
ESP_LOGI(TAG, "IO Matrix sleep retention initialization");
return ESP_OK;
}
esp_err_t sleep_peripheral_spimem_retention_init(void)
{
#define N_REGS_SPI1_MEM_0() (((SPI_MEM_SPI_SMEM_DDR_REG(1) - REG_SPI_MEM_BASE(1)) / 4) + 1)
#define N_REGS_SPI1_MEM_1() (((SPI_MEM_SPI_SMEM_AC_REG(1) - SPI_MEM_SPI_FMEM_PMS0_ATTR_REG(1)) / 4) + 1)
#define N_REGS_SPI1_MEM_2() (1)
#define N_REGS_SPI1_MEM_3() (((SPI_MEM_DATE_REG(1) - SPI_MEM_DPA_CTRL_REG(1)) / 4) + 1)
#define N_REGS_SPI0_MEM_0() (((SPI_MEM_SPI_SMEM_DDR_REG(0) - REG_SPI_MEM_BASE(0)) / 4) + 1)
#define N_REGS_SPI0_MEM_1() (((SPI_MEM_SPI_SMEM_AC_REG(0) - SPI_MEM_SPI_FMEM_PMS0_ATTR_REG(0)) / 4) + 1)
#define N_REGS_SPI0_MEM_2() (1)
#define N_REGS_SPI0_MEM_3() (((SPI_MEM_DATE_REG(0) - SPI_MEM_DPA_CTRL_REG(0)) / 4) + 1)
const static sleep_retention_entries_config_t spimem_regs_retention[] = {
/* Note: SPI mem should not to write mmu SPI_MEM_MMU_ITEM_CONTENT_REG and SPI_MEM_MMU_ITEM_INDEX_REG */
[0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x00), REG_SPI_MEM_BASE(1), REG_SPI_MEM_BASE(1), N_REGS_SPI1_MEM_0(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* spi1_mem */
[1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x01), SPI_MEM_SPI_FMEM_PMS0_ATTR_REG(1), SPI_MEM_SPI_FMEM_PMS0_ATTR_REG(1), N_REGS_SPI1_MEM_1(), 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[2] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x02), SPI_MEM_CLOCK_GATE_REG(1), SPI_MEM_CLOCK_GATE_REG(1), N_REGS_SPI1_MEM_2(), 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[3] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x03), SPI_MEM_DPA_CTRL_REG(1), SPI_MEM_DPA_CTRL_REG(1), N_REGS_SPI1_MEM_3(), 0, 0), .owner = ENTRY(0) | ENTRY(2) },
/* Note: SPI mem should not to write mmu SPI_MEM_MMU_ITEM_CONTENT_REG and SPI_MEM_MMU_ITEM_INDEX_REG */
[4] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x04), REG_SPI_MEM_BASE(0), REG_SPI_MEM_BASE(0), N_REGS_SPI0_MEM_0(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* spi0_mem */
[5] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x05), SPI_MEM_SPI_FMEM_PMS0_ATTR_REG(0), SPI_MEM_SPI_FMEM_PMS0_ATTR_REG(0), N_REGS_SPI0_MEM_1(), 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[6] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x06), SPI_MEM_CLOCK_GATE_REG(0), SPI_MEM_CLOCK_GATE_REG(0), N_REGS_SPI0_MEM_2(), 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[7] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x07), SPI_MEM_DPA_CTRL_REG(0), SPI_MEM_DPA_CTRL_REG(0), N_REGS_SPI0_MEM_3(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }
};
esp_err_t err = sleep_retention_entries_create(spimem_regs_retention, ARRAY_SIZE(spimem_regs_retention), SLEEP_RETENTION_PERIPHERALS_PRIORITY_DEFAULT, SLEEP_RETENTION_MODULE_SPIMEM);
ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (SPI mem) retention");
ESP_LOGI(TAG, "SPI Mem sleep retention initialization");
return ESP_OK;
}
esp_err_t sleep_peripheral_systimer_retention_init(void)
{
#define N_REGS_SYSTIMER_0() (((SYSTIMER_TARGET2_CONF_REG - SYSTIMER_TARGET0_HI_REG) / 4) + 1)
const static sleep_retention_entries_config_t systimer_regs_retention[] = {
[0] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x00), SYSTIMER_UNIT0_OP_REG, SYSTIMER_TIMER_UNIT0_UPDATE_M, SYSTIMER_TIMER_UNIT0_UPDATE_M, 0, 1), .owner = ENTRY(0) | ENTRY(2) }, /* Systimer */
[1] = { .config = REGDMA_LINK_WAIT_INIT (REGDMA_SYSTIMER_LINK(0x01), SYSTIMER_UNIT0_OP_REG, SYSTIMER_TIMER_UNIT0_VALUE_VALID, SYSTIMER_TIMER_UNIT0_VALUE_VALID, 0, 1), .owner = ENTRY(0) | ENTRY(2) },
[2] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SYSTIMER_LINK(0x02), SYSTIMER_UNIT0_VALUE_HI_REG, SYSTIMER_UNIT0_LOAD_HI_REG, 2, 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[3] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x03), SYSTIMER_UNIT0_LOAD_REG, SYSTIMER_TIMER_UNIT0_LOAD_M, SYSTIMER_TIMER_UNIT0_LOAD_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[4] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x04), SYSTIMER_UNIT1_OP_REG, SYSTIMER_TIMER_UNIT1_UPDATE_M, SYSTIMER_TIMER_UNIT1_UPDATE_M, 0, 1), .owner = ENTRY(0) | ENTRY(2) },
[5] = { .config = REGDMA_LINK_WAIT_INIT (REGDMA_SYSTIMER_LINK(0x05), SYSTIMER_UNIT1_OP_REG, SYSTIMER_TIMER_UNIT1_VALUE_VALID, SYSTIMER_TIMER_UNIT1_VALUE_VALID, 0, 1), .owner = ENTRY(0) | ENTRY(2) },
[6] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SYSTIMER_LINK(0x06), SYSTIMER_UNIT1_VALUE_HI_REG, SYSTIMER_UNIT1_LOAD_HI_REG, 2, 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[7] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x07), SYSTIMER_UNIT1_LOAD_REG, SYSTIMER_TIMER_UNIT1_LOAD_M, SYSTIMER_TIMER_UNIT1_LOAD_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[8] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SYSTIMER_LINK(0x08), SYSTIMER_TARGET0_HI_REG, SYSTIMER_TARGET0_HI_REG, N_REGS_SYSTIMER_0(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* Systimer target value & period */
[9] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x09), SYSTIMER_COMP0_LOAD_REG, SYSTIMER_TIMER_COMP0_LOAD, SYSTIMER_TIMER_COMP0_LOAD, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[10] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x0a), SYSTIMER_COMP1_LOAD_REG, SYSTIMER_TIMER_COMP1_LOAD, SYSTIMER_TIMER_COMP1_LOAD, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[11] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x0b), SYSTIMER_COMP2_LOAD_REG, SYSTIMER_TIMER_COMP2_LOAD, SYSTIMER_TIMER_COMP2_LOAD, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[12] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x0c), SYSTIMER_TARGET0_CONF_REG, 0, SYSTIMER_TARGET0_PERIOD_MODE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[13] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x0d), SYSTIMER_TARGET0_CONF_REG, SYSTIMER_TARGET0_PERIOD_MODE_M, SYSTIMER_TARGET0_PERIOD_MODE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[14] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x0e), SYSTIMER_TARGET1_CONF_REG, 0, SYSTIMER_TARGET1_PERIOD_MODE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[15] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x0f), SYSTIMER_TARGET1_CONF_REG, SYSTIMER_TARGET1_PERIOD_MODE_M, SYSTIMER_TARGET1_PERIOD_MODE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[16] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x10), SYSTIMER_TARGET2_CONF_REG, 0, SYSTIMER_TARGET2_PERIOD_MODE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[17] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SYSTIMER_LINK(0x11), SYSTIMER_CONF_REG, SYSTIMER_CONF_REG, 1, 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* Systimer work enable */
[18] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SYSTIMER_LINK(0x12), SYSTIMER_INT_ENA_REG, SYSTIMER_INT_ENA_REG, 1, 0, 0), .owner = ENTRY(0) | ENTRY(2) } /* Systimer intr enable */
};
esp_err_t err = sleep_retention_entries_create(systimer_regs_retention, ARRAY_SIZE(systimer_regs_retention), SLEEP_RETENTION_PERIPHERALS_PRIORITY_DEFAULT, SLEEP_RETENTION_MODULE_SYSTIMER);
ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (SysTimer) retention");
ESP_LOGI(TAG, "SysTimer sleep retention initialization");
return ESP_OK;
}
esp_err_t sleep_peripheral_retention_init(void)
{
esp_err_t err;
err = sleep_peripheral_intr_matrix_retention_init();
if(err) goto error;
err = sleep_peripheral_hp_system_retention_init();
if(err) goto error;
err = sleep_peripheral_tee_apm_retention_init();
if(err) goto error;
err = sleep_peripheral_uart0_retention_init();
if(err) goto error;
err = sleep_peripheral_tg0_retention_init();
if(err) goto error;
err = sleep_peripheral_iomux_retention_init();
if(err) goto error;
err = sleep_peripheral_spimem_retention_init();
if(err) goto error;
err = sleep_peripheral_systimer_retention_init();
error:
return err;
}
bool IRAM_ATTR peripheral_domain_pd_allowed(void)
{
const uint32_t modules = sleep_retention_get_modules();
const uint32_t mask = (const uint32_t) (
SLEEP_RETENTION_MODULE_INTR_MATRIX | \
SLEEP_RETENTION_MODULE_HP_SYSTEM | \
SLEEP_RETENTION_MODULE_TEE_APM | \
SLEEP_RETENTION_MODULE_UART0 | \
SLEEP_RETENTION_MODULE_TG0 | \
SLEEP_RETENTION_MODULE_IOMUX | \
SLEEP_RETENTION_MODULE_SPIMEM | \
SLEEP_RETENTION_MODULE_SYSTIMER);
return ((modules & mask) == mask);
}
#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP
ESP_SYSTEM_INIT_FN(sleep_peripheral_startup_init, BIT(0), 107)
{
sleep_peripheral_retention_init();
return ESP_OK;
}
#endif

9
components/esp_pm/Kconfig
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@ -104,6 +104,15 @@ menu "Power Management"
If enabled, the I/D-cache tag memory will be retained in light sleep. Depending on the the
cache configuration, if this option is enabled, it will consume up to 9 KB of internal RAM.
config PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP
bool "Power down Digital Peripheral in light sleep"
depends on SOC_PAU_SUPPORTED
default n #TODO: enable by default if periph init/deinit management supported (WIFI-5252)
help
If enabled, the minimum digital peripheral register context to keep the system running is saved
and will reduce sleep current consumption by about 100 uA. enabling this option will consume
at least 4.55 KB of internal RAM.
config PM_UPDATE_CCOMPARE_HLI_WORKAROUND
bool
default y if PM_ENABLE && BTDM_CTRL_HLI

1
components/esp_system/system_init_fn.txt
View File

@ -18,6 +18,7 @@
# esp_sleep doesn't have init dependencies
105: esp_sleep_startup_init in components/esp_hw_support/sleep_gpio.c on BIT(0)
106: sleep_clock_startup_init in components/esp_hw_support/sleep_clock.c on BIT(0)
# app_trace has to be initialized before systemview
115: esp_apptrace_init in components/app_trace/app_trace.c on ESP_SYSTEM_INIT_ALL_CORES