esp-idf/components/soc/esp32p4/timer_periph.c

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/*
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "soc/timer_periph.h"
const timer_group_signal_conn_t timer_group_periph_signals = {
.groups = {
[0] = {
.module = PERIPH_TIMG0_MODULE,
.timer_irq_id = {
[0] = ETS_TG0_T0_INTR_SOURCE,
[1] = ETS_TG0_T1_INTR_SOURCE,
}
},
[1] = {
.module = PERIPH_TIMG1_MODULE,
.timer_irq_id = {
[0] = ETS_TG1_T0_INTR_SOURCE,
[1] = ETS_TG1_T1_INTR_SOURCE,
}
}
}
};
#define N_REGS_TGWDT 6 // TIMG_WDTCONFIG0_REG ... TIMG_WDTCONFIG5_REG & TIMG_INT_ENA_TIMERS_REG
static const regdma_entries_config_t tg0_wdt_regs_retention[] = {
/*Timer group backup. should get of write project firstly. wdt used by RTOS.*/
[0] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TG0_WDT_LINK(0x00), TIMG_WDTWPROTECT_REG(0), TIMG_WDT_WKEY_VALUE, TIMG_WDT_WKEY_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG0_WDT_LINK(0x01), TIMG_WDTCONFIG0_REG(0), TIMG_WDTCONFIG0_REG(0), N_REGS_TGWDT, 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[2] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TG0_WDT_LINK(0x03), TIMG_WDTCONFIG0_REG(0), TIMG_WDT_CONF_UPDATE_EN, TIMG_WDT_CONF_UPDATE_EN_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[3] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TG0_WDT_LINK(0x03), TIMG_WDTFEED_REG(0), TIMG_WDT_FEED, TIMG_WDT_FEED_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[4] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG0_WDT_LINK(0x02), TIMG_INT_ENA_TIMERS_REG(0),TIMG_INT_ENA_TIMERS_REG(0), 1, 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[5] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TG0_WDT_LINK(0x04), TIMG_WDTWPROTECT_REG(0), 0, TIMG_WDT_WKEY_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
};
static const regdma_entries_config_t tg1_wdt_regs_retention[] = {
/*Timer group0 backup. T0_wdt should get of write project firstly. wdt used by RTOS.*/
[0] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TG1_WDT_LINK(0x00), TIMG_WDTWPROTECT_REG(1), TIMG_WDT_WKEY_VALUE, TIMG_WDT_WKEY_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG1_WDT_LINK(0x02), TIMG_INT_ENA_TIMERS_REG(1),TIMG_INT_ENA_TIMERS_REG(1), 1, 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[2] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TG1_WDT_LINK(0x01), TIMG_WDTCONFIG0_REG(1), TIMG_WDTCONFIG0_REG(1), N_REGS_TGWDT, 0, 0), .owner = ENTRY(0) | ENTRY(2) },
[3] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TG1_WDT_LINK(0x03), TIMG_WDTCONFIG0_REG(1), TIMG_WDT_CONF_UPDATE_EN, TIMG_WDT_CONF_UPDATE_EN_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[4] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TG0_WDT_LINK(0x03), TIMG_WDTFEED_REG(1), TIMG_WDT_FEED, TIMG_WDT_FEED_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
[5] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TG1_WDT_LINK(0x04), TIMG_WDTWPROTECT_REG(1), 0, TIMG_WDT_WKEY_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) },
};
const tg_reg_ctx_link_t tg_wdt_regs_retention[SOC_TIMER_GROUPS] = {
[0] = {tg0_wdt_regs_retention, ARRAY_SIZE(tg0_wdt_regs_retention)},
[1] = {tg1_wdt_regs_retention, ARRAY_SIZE(tg1_wdt_regs_retention)},
};