zephyr/soc/espressif/esp32c2/soc_irq.c

70 lines
1.4 KiB
C

/*
* Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <soc/rtc_cntl_reg.h>
#include <soc/timer_group_reg.h>
#include <soc/ext_mem_defs.h>
#include <soc/gpio_reg.h>
#include <soc/syscon_reg.h>
#include <soc/system_reg.h>
#include <riscv/interrupt.h>
#include <soc/interrupt_reg.h>
#include <soc/periph_defs.h>
#include <zephyr/drivers/interrupt_controller/intc_esp32c3.h>
#include <zephyr/kernel_structs.h>
#include <string.h>
#include <zephyr/toolchain.h>
#include <soc.h>
#include <zephyr/arch/riscv/arch.h>
#define ESP32C2_INTSTATUS_SLOT1_THRESHOLD 32
void arch_irq_enable(unsigned int irq)
{
esp_intr_enable(irq);
}
void arch_irq_disable(unsigned int irq)
{
esp_intr_disable(irq);
}
int arch_irq_is_enabled(unsigned int irq)
{
bool res = false;
uint32_t key = irq_lock();
if (irq < 32) {
res = esp_intr_get_enabled_intmask(0) & BIT(irq);
} else {
res = esp_intr_get_enabled_intmask(1) & BIT(irq - 32);
}
irq_unlock(key);
return res;
}
uint32_t soc_intr_get_next_source(void)
{
uint32_t status;
uint32_t source;
status = REG_READ(INTERRUPT_CORE0_INTR_STATUS_REG_0_REG) &
esp_intr_get_enabled_intmask(0);
if (status) {
source = __builtin_ffs(status) - 1;
} else {
status = REG_READ(INTERRUPT_CORE0_INTR_STATUS_REG_1_REG) &
esp_intr_get_enabled_intmask(1);
source = (__builtin_ffs(status) - 1 + ESP32C2_INTSTATUS_SLOT1_THRESHOLD);
}
return source;
}