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feat(twai): sleep retention

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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
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7
components/driver/twai/include/driver/twai.h
View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -114,6 +114,11 @@ typedef struct {
uint32_t alerts_enabled; /**< Bit field of alerts to enable (see documentation) */
uint32_t clkout_divider; /**< CLKOUT divider. Can be 1 or any even number from 2 to 14 (optional, set to 0 if unused) */
int intr_flags; /**< Interrupt flags to set the priority of the driver's ISR. Note that to use the ESP_INTR_FLAG_IRAM, the CONFIG_TWAI_ISR_IN_IRAM option should be enabled first. */
struct {
uint32_t sleep_allow_pd; /**< Set to allow power down. When this flag set, the driver will backup/restore the TWAI registers before/after entering/exist sleep mode.
By this approach, the system can power off TWAI's power domain.
This can save power, but at the expense of more RAM being consumed. */
} general_flags; /**< General flags */
} twai_general_config_t;
/**

63
components/driver/twai/twai.c
View File

@@ -28,6 +28,9 @@
#include "soc/gpio_sig_map.h"
#include "hal/twai_hal.h"
#include "esp_rom_gpio.h"
#if SOC_TWAI_SUPPORT_SLEEP_RETENTION
#include "esp_private/sleep_retention.h"
#endif
/* ---------------------------- Definitions --------------------------------- */
//Internal Macros
@@ -64,6 +67,8 @@
#define TWAI_PERI_ATOMIC()
#endif
#define TWAI_USE_RETENTION_LINK (SOC_TWAI_SUPPORT_SLEEP_RETENTION && CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP)
/* ------------------ Typedefs, structures, and variables ------------------- */
//Control structure for TWAI driver
@@ -96,6 +101,11 @@ typedef struct twai_obj_t {
static twai_handle_t g_twai_objs[SOC_TWAI_CONTROLLER_NUM];
static portMUX_TYPE g_spinlock = portMUX_INITIALIZER_UNLOCKED;
/* -------------------- Sleep Retention ------------------------ */
#if TWAI_USE_RETENTION_LINK
static esp_err_t s_twai_create_sleep_retention_link_cb(void *obj);
#endif
/* -------------------- Interrupt and Alert Handlers ------------------------ */
static void twai_alert_handler(twai_obj_t *p_twai_obj, uint32_t alert_code, int *alert_req)
@@ -334,6 +344,19 @@ static void twai_free_driver_obj(twai_obj_t *p_obj)
if (p_obj->alert_semphr != NULL) {
vSemaphoreDeleteWithCaps(p_obj->alert_semphr);
}
#if TWAI_USE_RETENTION_LINK
const periph_retention_module_t retention_id = twai_reg_retention_info[p_obj->controller_id].module_id;
if (sleep_retention_get_created_modules() & BIT(retention_id)) {
assert(sleep_retention_get_inited_modules() & BIT(retention_id));
sleep_retention_module_free(retention_id);
}
if (sleep_retention_get_inited_modules() & BIT(retention_id)) {
sleep_retention_module_deinit(retention_id);
}
#endif
heap_caps_free(p_obj);
}
@@ -365,6 +388,9 @@ static esp_err_t twai_alloc_driver_obj(const twai_general_config_t *g_config, tw
if (ret != ESP_OK) {
goto err;
}
p_obj->controller_id = controller_id;
#if CONFIG_PM_ENABLE
#if SOC_TWAI_CLK_SUPPORT_APB
// DFS can change APB frequency. So add lock to prevent sleep and APB freq from changing
@@ -384,6 +410,28 @@ static esp_err_t twai_alloc_driver_obj(const twai_general_config_t *g_config, tw
#endif //SOC_TWAI_CLK_SUPPORT_APB
#endif //CONFIG_PM_ENABLE
#if TWAI_USE_RETENTION_LINK
sleep_retention_module_t module = twai_reg_retention_info[controller_id].module_id;
sleep_retention_module_init_param_t init_param = {
.cbs = {
.create = {
.handle = s_twai_create_sleep_retention_link_cb,
.arg = p_obj,
},
},
.depends = BIT(SLEEP_RETENTION_MODULE_CLOCK_SYSTEM)
};
if (sleep_retention_module_init(module, &init_param) != ESP_OK) {
ESP_LOGW(TWAI_TAG, "init sleep retention failed for TWAI%d, power domain may be turned off during sleep", controller_id);
}
if (g_config->general_flags.sleep_allow_pd) {
if (sleep_retention_module_allocate(module) != ESP_OK) {
ESP_LOGW(TWAI_TAG, "create retention module failed, power domain can't turn off");
}
}
#endif
*p_twai_obj_ret = p_obj;
return ESP_OK;
@@ -408,6 +456,9 @@ esp_err_t twai_driver_install_v2(const twai_general_config_t *g_config, const tw
#endif
int controller_id = g_config->controller_id;
TWAI_CHECK(g_twai_objs[controller_id] == NULL, ESP_ERR_INVALID_STATE);
#if !SOC_TWAI_SUPPORT_SLEEP_RETENTION
TWAI_CHECK(!g_config->general_flags.sleep_allow_pd, ESP_ERR_INVALID_ARG);
#endif
//Get clock source resolution
uint32_t clock_source_hz = 0;
@@ -437,7 +488,6 @@ esp_err_t twai_driver_install_v2(const twai_general_config_t *g_config, const tw
//Initialize flags and variables. All other members are already set to zero by twai_alloc_driver_obj()
portMUX_INITIALIZE(&p_twai_obj->spinlock);
p_twai_obj->controller_id = controller_id;
p_twai_obj->state = TWAI_STATE_STOPPED;
p_twai_obj->mode = g_config->mode;
p_twai_obj->alerts_enabled = g_config->alerts_enabled;
@@ -874,3 +924,14 @@ esp_err_t twai_clear_receive_queue(void)
// the handle-less driver API only support one TWAI controller, i.e. the g_twai_objs[0]
return twai_clear_receive_queue_v2(g_twai_objs[0]);
}
#if TWAI_USE_RETENTION_LINK
static esp_err_t s_twai_create_sleep_retention_link_cb(void *obj)
{
twai_obj_t *host = (twai_obj_t *)obj;
return sleep_retention_entries_create(twai_reg_retention_info[host->controller_id].entry_array,
twai_reg_retention_info[host->controller_id].array_size,
REGDMA_LINK_PRI_TWAI,
twai_reg_retention_info[host->controller_id].module_id);
}
#endif

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)
},
};

4
components/soc/esp32h2/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_PAD_JTAG
bool
default y

3
components/soc/esp32h2/include/soc/retention_periph_defs.h
View File

@@ -40,6 +40,7 @@ typedef enum periph_retention_module {
SLEEP_RETENTION_MODULE_I2S0 = 17,
SLEEP_RETENTION_MODULE_ETM0 = 18,
SLEEP_RETENTION_MODULE_TEMP_SENSOR = 19,
SLEEP_RETENTION_MODULE_TWAI0 = 20,
/* Modem module, which includes BLE and 802.15.4 */
SLEEP_RETENTION_MODULE_BLE_MAC = 28,
@@ -74,6 +75,7 @@ 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),
/* modem module, which includes BLE and 802.15.4 */
SLEEP_RETENTION_MODULE_BM_BLE_MAC = BIT(SLEEP_RETENTION_MODULE_BLE_MAC),
SLEEP_RETENTION_MODULE_BM_BT_BB = BIT(SLEEP_RETENTION_MODULE_BT_BB),
@@ -98,6 +100,7 @@ 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 \
)
#ifdef __cplusplus

11
components/soc/esp32h2/include/soc/soc_caps.h
View File

@@ -453,11 +453,12 @@
#define SOC_MWDT_SUPPORT_SLEEP_RETENTION (1)
/*-------------------------- TWAI CAPS ---------------------------------------*/
#define SOC_TWAI_CONTROLLER_NUM 1UL
#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 1UL
#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_PAD_JTAG 1

42
components/soc/esp32h2/twai_periph.c
View File

@@ -1,10 +1,11 @@
/*
* SPDX-FileCopyrightText: 2022-2023 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 = {
@@ -20,3 +21,42 @@ 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) DR_REG_TWAI_BASE
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);
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)
},
};

4
components/soc/esp32p4/include/soc/Kconfig.soc_caps.in
View File

@@ -1643,6 +1643,10 @@ config SOC_TWAI_SUPPORTS_RX_STATUS
bool
default y
config SOC_TWAI_SUPPORT_SLEEP_RETENTION
bool
default y
config SOC_EFUSE_DIS_PAD_JTAG
bool
default y

9
components/soc/esp32p4/include/soc/retention_periph_defs.h
View File

@@ -47,6 +47,9 @@ typedef enum periph_retention_module {
SLEEP_RETENTION_MODULE_I2C0 = 22,
SLEEP_RETENTION_MODULE_I2C1 = 23,
SLEEP_RETENTION_MODULE_ETM0 = 24,
SLEEP_RETENTION_MODULE_TWAI0 = 25,
SLEEP_RETENTION_MODULE_TWAI1 = 26,
SLEEP_RETENTION_MODULE_TWAI2 = 27,
SLEEP_RETENTION_MODULE_MAX = 31
} periph_retention_module_t;
@@ -83,6 +86,9 @@ typedef enum periph_retention_module_bitmap {
SLEEP_RETENTION_MODULE_BM_ETM0 = BIT(SLEEP_RETENTION_MODULE_ETM0),
SLEEP_RETENTION_MODULE_BM_I2C0 = BIT(SLEEP_RETENTION_MODULE_I2C0),
SLEEP_RETENTION_MODULE_BM_I2C1 = BIT(SLEEP_RETENTION_MODULE_I2C1),
SLEEP_RETENTION_MODULE_BM_TWAI0 = BIT(SLEEP_RETENTION_MODULE_TWAI0),
SLEEP_RETENTION_MODULE_BM_TWAI1 = BIT(SLEEP_RETENTION_MODULE_TWAI1),
SLEEP_RETENTION_MODULE_BM_TWAI2 = BIT(SLEEP_RETENTION_MODULE_TWAI2),
SLEEP_RETENTION_MODULE_BM_ALL = (uint32_t)-1
} periph_retention_module_bitmap_t;
@@ -110,6 +116,9 @@ typedef enum periph_retention_module_bitmap {
| SLEEP_RETENTION_MODULE_BM_ETM0 \
| SLEEP_RETENTION_MODULE_BM_I2C0 \
| SLEEP_RETENTION_MODULE_BM_I2C1 \
| SLEEP_RETENTION_MODULE_BM_TWAI0 \
| SLEEP_RETENTION_MODULE_BM_TWAI1 \
| SLEEP_RETENTION_MODULE_BM_TWAI2 \
)
#ifdef __cplusplus

11
components/soc/esp32p4/include/soc/soc_caps.h
View File

@@ -612,11 +612,12 @@
#define SOC_TOUCH_SAMPLE_CFG_NUM (3) /*!< The sample configurations number in total, each sampler can be used to sample on one frequency */
/*-------------------------- TWAI CAPS ---------------------------------------*/
#define SOC_TWAI_CONTROLLER_NUM 3
#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 3
#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_PAD_JTAG 1

55
components/soc/esp32p4/twai_periph.c
View File

@@ -1,10 +1,11 @@
/*
* SPDX-FileCopyrightText: 2022-2023 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 = {
@@ -38,3 +39,55 @@ 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) }, \
}
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);
static const regdma_entries_config_t twai2_regs_retention[] = TWAI_SLEEP_RETENTION_ENTRIES(2);
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)
},
[2] = {
.module_id = SLEEP_RETENTION_MODULE_TWAI2,
.entry_array = twai2_regs_retention,
.array_size = ARRAY_SIZE(twai2_regs_retention)
},
};

2
components/soc/include/soc/regdma.h
View File

@@ -56,6 +56,7 @@ extern "C" {
#define REGDMA_I2S_LINK(_pri) ((0x1E << 8) | _pri)
#define REGDMA_ETM_LINK(_pri) ((0x1F << 8) | _pri)
#define REGDMA_TSENS_LINK(_pri) ((0x20 << 8) | _pri)
#define REGDMA_TWAI_LINK(_pri) ((0x21 << 8) | _pri)
#define REGDMA_MODEM_FE_LINK(_pri) ((0xFF << 8) | _pri)
#define REGDMA_LINK_PRI_SYS_CLK REGDMA_LINK_PRI_0
@@ -76,6 +77,7 @@ extern "C" {
#define REGDMA_LINK_PRI_I2S REGDMA_LINK_PRI_GENERAL_PERIPH
#define REGDMA_LINK_PRI_UART REGDMA_LINK_PRI_GENERAL_PERIPH
#define REGDMA_LINK_PRI_TEMPERATURE_SENSOR REGDMA_LINK_PRI_GENERAL_PERIPH
#define REGDMA_LINK_PRI_TWAI REGDMA_LINK_PRI_GENERAL_PERIPH
typedef enum {
REGDMA_LINK_PRI_0 = 0,

16
components/soc/include/soc/twai_periph.h
View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2019-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -9,6 +9,10 @@
#include <stdint.h>
#include "soc/soc_caps.h"
#include "soc/periph_defs.h"
#if SOC_PAU_SUPPORTED
#include "soc/regdma.h"
#include "soc/retention_periph_defs.h"
#endif
#ifdef __cplusplus
extern "C" {
@@ -30,6 +34,16 @@ typedef struct {
extern const twai_controller_signal_conn_t twai_controller_periph_signals;
#if SOC_PAU_SUPPORTED
typedef struct {
const periph_retention_module_t module_id;
const regdma_entries_config_t *entry_array;
uint32_t array_size;
} twai_reg_retention_info_t;
extern const twai_reg_retention_info_t twai_reg_retention_info[SOC_TWAI_CONTROLLER_NUM];
#endif // SOC_PAU_SUPPORTED
#endif // SOC_TWAI_SUPPORTED
#ifdef __cplusplus