mirror of
https://github.com/espressif/esp-idf.git
synced 2025-10-31 13:09:38 +00:00
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/*
|
|
* 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),
|
|
},
|
|
[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),
|
|
},
|
|
// 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),
|
|
},
|
|
};
|
|
|
|
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)
|
|
},
|
|
};
|