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feat(rtc_time): support rtc time for esp32c61

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This commit is contained in:
Song Ruo Jing
2025-04-11 20:51:48 +08:00
parent 51744bd13d
commit 1b3680eff3
3 changed files with 17 additions and 12 deletions
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3
components/esp_rom/esp32c5/include/esp32c5/rom/rtc.h
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@@ -46,7 +46,7 @@ extern "C" {
* LP_AON_STORE1_REG RTC_SLOW_CLK calibration value
* LP_AON_STORE2_REG Boot time, low word
* LP_AON_STORE3_REG Boot time, high word
* LP_AON_STORE4_REG External XTAL frequency
* LP_AON_STORE4_REG Status of whether to disable LOG from ROM at bit[0]
* LP_AON_STORE5_REG FAST_RTC_MEMORY_LENGTH
* LP_AON_STORE6_REG FAST_RTC_MEMORY_ENTRY
* LP_AON_STORE7_REG FAST_RTC_MEMORY_CRC
@@ -58,7 +58,6 @@ extern "C" {
#define RTC_SLOW_CLK_CAL_REG LP_AON_STORE1_REG
#define RTC_BOOT_TIME_LOW_REG LP_AON_STORE2_REG
#define RTC_BOOT_TIME_HIGH_REG LP_AON_STORE3_REG
#define RTC_XTAL_FREQ_REG LP_AON_STORE4_REG
#define RTC_ENTRY_LENGTH_REG LP_AON_STORE5_REG
#define RTC_ENTRY_ADDR_REG LP_AON_STORE6_REG
#define RTC_RESET_CAUSE_REG LP_AON_STORE6_REG

19
components/esp_rom/esp32c61/include/esp32c61/rom/rtc.h
View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -43,27 +43,34 @@ extern "C" {
*
*************************************************************************************
* RTC store registers usage
* LP_AON_STORE0_REG Reserved
* LP_AON_STORE0_REG RTC fix us, high 32 bits
* LP_AON_STORE1_REG RTC_SLOW_CLK calibration value
* LP_AON_STORE2_REG Boot time, low word
* LP_AON_STORE3_REG Boot time, high word
* LP_AON_STORE4_REG External XTAL frequency
* LP_AON_STORE4_REG Status of whether to disable LOG from ROM at bit[0]
* LP_AON_STORE5_REG FAST_RTC_MEMORY_LENGTH
* LP_AON_STORE6_REG FAST_RTC_MEMORY_ENTRY
* LP_AON_STORE7_REG FAST_RTC_MEMORY_CRC
* LP_AON_STORE7_REG RTC fix us, low 32 bits
* LP_AON_STORE8_REG Store light sleep wake stub addr
* LP_AON_STORE9_REG Store the sleep mode at bit[0] (0:light sleep 1:deep sleep)
*************************************************************************************
*
* Since esp32c61 does not support RTC mem, so use LP_AON store regs to record rtc time:
*
* |------------------------|----------------------------------------|
* | LP_AON_STORE0_REG | LP_AON_STORE7_REG |
* | rtc_fix_us(MSB) | rtc_fix_us(LSB) |
* |------------------------|----------------------------------------|
*/
#define RTC_FIX_US_HIGH_REG LP_AON_STORE0_REG
#define RTC_SLOW_CLK_CAL_REG LP_AON_STORE1_REG
#define RTC_BOOT_TIME_LOW_REG LP_AON_STORE2_REG
#define RTC_BOOT_TIME_HIGH_REG LP_AON_STORE3_REG
#define RTC_XTAL_FREQ_REG LP_AON_STORE4_REG
#define RTC_ENTRY_LENGTH_REG LP_AON_STORE5_REG
#define RTC_ENTRY_ADDR_REG LP_AON_STORE6_REG
#define RTC_RESET_CAUSE_REG LP_AON_STORE6_REG
#define RTC_MEMORY_CRC_REG LP_AON_STORE7_REG
#define RTC_FIX_US_LOW_REG LP_AON_STORE7_REG
#define RTC_SLEEP_WAKE_STUB_ADDR_REG LP_AON_STORE8_REG
#define RTC_SLEEP_MODE_REG LP_AON_STORE8_REG

7
components/hal/esp32c61/include/hal/clk_tree_ll.h
View File

@@ -556,8 +556,8 @@ static inline __attribute__((always_inline)) uint32_t clk_ll_rtc_slow_load_cal(v
*/
static inline __attribute__((always_inline)) void clk_ll_rtc_slow_store_rtc_fix_us(uint64_t rtc_fix_us)
{
// TODO IDF-11022
return;
REG_WRITE(RTC_FIX_US_LOW_REG, rtc_fix_us);
REG_WRITE(RTC_FIX_US_HIGH_REG, rtc_fix_us >> 32);
}
/**
@@ -567,8 +567,7 @@ static inline __attribute__((always_inline)) void clk_ll_rtc_slow_store_rtc_fix_
*/
static inline __attribute__((always_inline)) uint64_t clk_ll_rtc_slow_load_rtc_fix_us(void)
{
// TODO IDF-11022
return 0;
return REG_READ(RTC_FIX_US_LOW_REG) | ((uint64_t)REG_READ(RTC_FIX_US_HIGH_REG) << 32);
}
#ifdef __cplusplus