alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-09-25 01:37:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(twai): sleep retention

Browse Source
This commit is contained in:
Armando
2024-10-11 14:33:07 +08:00
parent ed91ad56da
commit 2cb5de2172
16 changed files with 276 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
components/soc/esp32c6/include/soc/Kconfig.soc_caps.in
View File

@@ -1175,6 +1175,10 @@ config SOC_TWAI_SUPPORTS_RX_STATUS
bool
default y
config SOC_TWAI_SUPPORT_SLEEP_RETENTION
bool
default y
config SOC_EFUSE_DIS_DOWNLOAD_ICACHE
bool
default y

6
components/soc/esp32c6/include/soc/retention_periph_defs.h
View File

@@ -39,6 +39,8 @@ typedef enum periph_retention_module {
SLEEP_RETENTION_MODULE_I2S0 = 16,
SLEEP_RETENTION_MODULE_ETM0 = 17,
SLEEP_RETENTION_MODULE_TEMP_SENSOR = 18,
SLEEP_RETENTION_MODULE_TWAI0 = 19,
SLEEP_RETENTION_MODULE_TWAI1 = 20,
/* Modem module, which includes WiFi, BLE and 802.15.4 */
SLEEP_RETENTION_MODULE_WIFI_MAC = 26,
@@ -74,6 +76,8 @@ typedef enum periph_retention_module_bitmap {
SLEEP_RETENTION_MODULE_BM_I2S0 = BIT(SLEEP_RETENTION_MODULE_I2S0),
SLEEP_RETENTION_MODULE_BM_ETM0 = BIT(SLEEP_RETENTION_MODULE_ETM0),
SLEEP_RETENTION_MODULE_BM_TEMP_SENSOR = BIT(SLEEP_RETENTION_MODULE_TEMP_SENSOR),
SLEEP_RETENTION_MODULE_BM_TWAI0 = BIT(SLEEP_RETENTION_MODULE_TWAI0),
SLEEP_RETENTION_MODULE_BM_TWAI1 = BIT(SLEEP_RETENTION_MODULE_TWAI1),
/* 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),
@@ -99,6 +103,8 @@ typedef enum periph_retention_module_bitmap {
| SLEEP_RETENTION_MODULE_BM_I2S0 \
| SLEEP_RETENTION_MODULE_BM_ETM0 \
| SLEEP_RETENTION_MODULE_BM_TEMP_SENSOR \
| SLEEP_RETENTION_MODULE_BM_TWAI0 \
| SLEEP_RETENTION_MODULE_BM_TWAI1 \
)
#ifdef __cplusplus

11
components/soc/esp32c6/include/soc/soc_caps.h
View File

@@ -456,11 +456,12 @@
#define SOC_MWDT_SUPPORT_SLEEP_RETENTION (1)
/*-------------------------- TWAI CAPS ---------------------------------------*/
#define SOC_TWAI_CONTROLLER_NUM 2
#define SOC_TWAI_CLK_SUPPORT_XTAL 1
#define SOC_TWAI_BRP_MIN 2
#define SOC_TWAI_BRP_MAX 32768
#define SOC_TWAI_SUPPORTS_RX_STATUS 1
#define SOC_TWAI_CONTROLLER_NUM 2
#define SOC_TWAI_CLK_SUPPORT_XTAL 1
#define SOC_TWAI_BRP_MIN 2
#define SOC_TWAI_BRP_MAX 32768
#define SOC_TWAI_SUPPORTS_RX_STATUS 1
#define SOC_TWAI_SUPPORT_SLEEP_RETENTION 1
/*-------------------------- eFuse CAPS----------------------------*/
#define SOC_EFUSE_DIS_DOWNLOAD_ICACHE 1

49
components/soc/esp32c6/twai_periph.c
View File

@@ -1,10 +1,11 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "soc/twai_periph.h"
#include "soc/twai_reg.h"
#include "soc/gpio_sig_map.h"
const twai_controller_signal_conn_t twai_controller_periph_signals = {
@@ -29,3 +30,49 @@ const twai_controller_signal_conn_t twai_controller_periph_signals = {
}
}
};
/**
* TWAI Registers to be saved during sleep retention
* - TWAI_MODE_REG
* - TWAI_INTERRUPT_ENABLE_REG
* - TWAI_BUS_TIMING_0_REG / TWAI_BUS_TIMING_1_REG
* - TWAI_ERR_WARNING_LIMIT_REG
* - TWAI_RX_ERR_CNT_REG
* - TWAI_TX_ERR_CNT_REG
* - TWAI_DATA_x_REG
* - TWAI_CLOCK_DIVIDER_REG
* - TWAI_SW_STANDBY_CFG_REG
* - TWAI_HW_CFG_REG
* - TWAI_HW_STANDBY_CNT_REG
* - TWAI_IDLE_INTR_CNT_REG
* - TWAI_ECO_CFG_REG
* - TWAI_TIMESTAMP_PRESCALER_REG
* - TWAI_TIMESTAMP_CFG_REG
*/
#define TWAI_RETENTION_REGS_CNT 28
#define TWAI_RETENTION_REGS_BASE(i) REG_TWAI_BASE(i)
static const uint32_t twai_regs_map[4] = {0x9fffe0d1, 0xdf, 0x0, 0x0};
#define TWAI_SLEEP_RETENTION_ENTRIES(id) { \
[0] = { .config = REGDMA_LINK_ADDR_MAP_INIT(REGDMA_TWAI_LINK(0x00), \
TWAI_RETENTION_REGS_BASE(id), TWAI_RETENTION_REGS_BASE(id), \
TWAI_RETENTION_REGS_CNT, 0, 0, \
twai_regs_map[0], twai_regs_map[1], \
twai_regs_map[2], twai_regs_map[3]), \
.owner = ENTRY(0) | ENTRY(2) }, \
}
static const regdma_entries_config_t twai0_regs_retention[] = TWAI_SLEEP_RETENTION_ENTRIES(0);
static const regdma_entries_config_t twai1_regs_retention[] = TWAI_SLEEP_RETENTION_ENTRIES(1);
const twai_reg_retention_info_t twai_reg_retention_info[SOC_TWAI_CONTROLLER_NUM] = {
[0] = {
.module_id = SLEEP_RETENTION_MODULE_TWAI0,
.entry_array = twai0_regs_retention,
.array_size = ARRAY_SIZE(twai0_regs_retention)
},
[1] = {
.module_id = SLEEP_RETENTION_MODULE_TWAI1,
.entry_array = twai1_regs_retention,
.array_size = ARRAY_SIZE(twai1_regs_retention)
},
};