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Merge branch 'feat/etm_sleep_retention' into 'master'

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feat(etm): support sleep retention

Closes IDF-8462

See merge request espressif/esp-idf!33787
This commit is contained in:
morris
2024-10-11 21:28:01 +08:00
parent 5f0a71a5e0 a4f783d407
commit d38e30eddf
42 changed files with 566 additions and 63 deletions
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44
components/soc/esp32c6/etm_periph.c Normal file
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@@ -0,0 +1,44 @@
/*
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "soc/etm_periph.h"
#include "soc/soc_etm_reg.h"
/**
* ETM Registers to be saved during sleep retention
* - Channel configuration registers, e.g.: SOC_ETM_CH0_EVT_ID_REG, SOC_ETM_CH0_TASK_ID_REG
*/
#define ETM_RETENTION_REGS_CNT ((SOC_ETM_CH49_TASK_ID_REG - SOC_ETM_CH0_EVT_ID_REG) / 4 + 1)
static const regdma_entries_config_t etm_regdma_entries[] = {
// backup stage: save the status of enabled channels
// restore stage: store the enabled channels
[0] = {
.config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_ETM_LINK(0x00),
SOC_ETM_CH_ENA_AD0_REG, SOC_ETM_CH_ENA_AD0_SET_REG, 1, 0, 0),
.owner = ENTRY(0) | ENTRY(2),
},
[1] = {
.config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_ETM_LINK(0x01),
SOC_ETM_CH_ENA_AD1_REG, SOC_ETM_CH_ENA_AD1_SET_REG, 1, 0, 0),
.owner = ENTRY(0) | ENTRY(2),
},
// backup stage: save configuration registers
// restore stage: restore the configuration registers
[2] = {
.config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_ETM_LINK(0x02),
SOC_ETM_CH0_EVT_ID_REG, SOC_ETM_CH0_EVT_ID_REG, ETM_RETENTION_REGS_CNT, 0, 0),
.owner = ENTRY(0) | ENTRY(2),
},
};
const etm_reg_retention_info_t etm_reg_retention_info[SOC_ETM_GROUPS] = {
[0] = {
.module = SLEEP_RETENTION_MODULE_ETM0,
.regdma_entry_array = etm_regdma_entries,
.array_size = ARRAY_SIZE(etm_regdma_entries)
},
};

4
components/soc/esp32c6/include/soc/Kconfig.soc_caps.in
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@@ -459,6 +459,10 @@ config SOC_ETM_CHANNELS_PER_GROUP
int
default 50
config SOC_ETM_SUPPORT_SLEEP_RETENTION
bool
default y
config SOC_GPIO_PORT
int
default 1

3
components/soc/esp32c6/include/soc/retention_periph_defs.h
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@@ -37,6 +37,7 @@ typedef enum periph_retention_module {
SLEEP_RETENTION_MODULE_UART0 = 14,
SLEEP_RETENTION_MODULE_UART1 = 15,
SLEEP_RETENTION_MODULE_I2S0 = 16,
SLEEP_RETENTION_MODULE_ETM0 = 17,
/* Modem module, which includes WiFi, BLE and 802.15.4 */
SLEEP_RETENTION_MODULE_WIFI_MAC = 26,
@@ -70,6 +71,7 @@ typedef enum periph_retention_module_bitmap {
SLEEP_RETENTION_MODULE_BM_UART0 = BIT(SLEEP_RETENTION_MODULE_UART0),
SLEEP_RETENTION_MODULE_BM_UART1 = BIT(SLEEP_RETENTION_MODULE_UART1),
SLEEP_RETENTION_MODULE_BM_I2S0 = BIT(SLEEP_RETENTION_MODULE_I2S0),
SLEEP_RETENTION_MODULE_BM_ETM0 = BIT(SLEEP_RETENTION_MODULE_ETM0),
/* modem module, which includes WiFi, BLE and 802.15.4 */
SLEEP_RETENTION_MODULE_BM_WIFI_MAC = BIT(SLEEP_RETENTION_MODULE_WIFI_MAC),
SLEEP_RETENTION_MODULE_BM_WIFI_BB = BIT(SLEEP_RETENTION_MODULE_WIFI_BB),
@@ -93,6 +95,7 @@ typedef enum periph_retention_module_bitmap {
| SLEEP_RETENTION_MODULE_BM_UART0 \
| SLEEP_RETENTION_MODULE_BM_UART1 \
| SLEEP_RETENTION_MODULE_BM_I2S0 \
| SLEEP_RETENTION_MODULE_BM_ETM0 \
)
#ifdef __cplusplus

1
components/soc/esp32c6/include/soc/soc_caps.h
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@@ -178,6 +178,7 @@
/*-------------------------- ETM CAPS --------------------------------------*/
#define SOC_ETM_GROUPS 1U // Number of ETM groups
#define SOC_ETM_CHANNELS_PER_GROUP 50 // Number of ETM channels in the group
#define SOC_ETM_SUPPORT_SLEEP_RETENTION 1 // Support sleep retention
/*-------------------------- GPIO CAPS ---------------------------------------*/
// ESP32-C6 has 1 GPIO peripheral

1
components/soc/esp32c6/rmt_periph.c
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@@ -60,6 +60,7 @@ static const regdma_entries_config_t rmt_regdma_entries[] = {
const rmt_reg_retention_info_t rmt_reg_retention_info[SOC_RMT_GROUPS] = {
[0] = {
.module = SLEEP_RETENTION_MODULE_RMT0,
.regdma_entry_array = rmt_regdma_entries,
.array_size = ARRAY_SIZE(rmt_regdma_entries)
},