/**************************************************************************** * arch/risc-v/include/esp32c3/irq.h * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ #ifndef __ARCH_RISCV_INCLUDE_ESP32C3_IRQ_H #define __ARCH_RISCV_INCLUDE_ESP32C3_IRQ_H /**************************************************************************** * Included Files ****************************************************************************/ #ifndef __ASSEMBLY__ # include #endif #include /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Interrupt Matrix * * The Interrupt Matrix embedded in the ESP32C3 independently allocates * peripheral interrupt sources to the CPUs’ peripheral interrupts. * This configuration is highly flexible in order to meet many different * needs. * * Features * - Accepts 62 peripheral interrupt sources as input. * - Generate 31 peripheral interrupts to CPU as output. * - Queries current interrupt status of peripheral interrupt sources. */ #define ESP32C3_PERIPH_WIFI_MAC 0 #define ESP32C3_PERIPH_WIFI_MAC_NMI 1 #define ESP32C3_PERIPH_WIFI_PWR 2 #define ESP32C3_PERIPH_WIFI_BB 3 #define ESP32C3_PERIPH_BT_MAC 4 #define ESP32C3_PERIPH_BT_BB 5 #define ESP32C3_PERIPH_BT_BB_NMI 6 #define ESP32C3_PERIPH_RWBT_IRQ 7 #define ESP32C3_PERIPH_RWBLE_IRQ 8 #define ESP32C3_PERIPH_RWBT_NMI 9 #define ESP32C3_PERIPH_RWBLE_NMI 10 #define ESP32C3_PERIPH_I2C_MASTER 11 #define ESP32C3_PERIPH_SLC0 12 #define ESP32C3_PERIPH_SLC1 13 #define ESP32C3_PERIPH_APB_CTRL 14 #define ESP32C3_PERIPH_UHCI0 15 #define ESP32C3_PERIPH_GPIO 16 #define ESP32C3_PERIPH_GPIO_NMI 17 #define ESP32C3_PERIPH_SPI1 18 #define ESP32C3_PERIPH_SPI2 19 #define ESP32C3_PERIPH_I2S1 20 #define ESP32C3_PERIPH_UART0 21 #define ESP32C3_PERIPH_UART1 22 #define ESP32C3_PERIPH_LEDC 23 #define ESP32C3_PERIPH_EFUSE 24 #define ESP32C3_PERIPH_TWAI 25 #define ESP32C3_PERIPH_USB 26 #define ESP32C3_PERIPH_RTC_CORE 27 #define ESP32C3_PERIPH_RMT 28 #define ESP32C3_PERIPH_I2C_EXT0 29 #define ESP32C3_PERIPH_TIMER1 30 #define ESP32C3_PERIPH_TIMER2 31 #define ESP32C3_PERIPH_TG0_T0 32 #define ESP32C3_PERIPH_TG0_WDT 33 #define ESP32C3_PERIPH_TG1_T0 34 #define ESP32C3_PERIPH_TG1_WDT 35 #define ESP32C3_PERIPH_CACHE_IA 36 #define ESP32C3_PERIPH_SYSTIMER_T0 37 #define ESP32C3_PERIPH_SYSTIMER_T1 38 #define ESP32C3_PERIPH_SYSTIMER_T2 39 #define ESP32C3_PERIPH_SPIMEM_REJECT_CACHE 40 #define ESP32C3_PERIPH_ICACHE_PRELOAD0 41 #define ESP32C3_PERIPH_ICACHE_SYNC0 42 #define ESP32C3_PERIPH_APB_ADC 43 #define ESP32C3_PERIPH_DMA_CH0 44 #define ESP32C3_PERIPH_DMA_CH1 45 #define ESP32C3_PERIPH_DMA_CH2 46 #define ESP32C3_PERIPH_RSA 47 #define ESP32C3_PERIPH_AES 48 #define ESP32C3_PERIPH_SHA 49 #define ESP32C3_PERIPH_FROM_CPU_INT0 50 #define ESP32C3_PERIPH_FROM_CPU_INT1 51 #define ESP32C3_PERIPH_FROM_CPU_INT2 52 #define ESP32C3_PERIPH_FROM_CPU_INT3 53 #define ESP32C3_PERIPH_ASSIST_DEBUG 54 #define ESP32C3_PERIPH_DMA_APBPERI_PMS 55 #define ESP32C3_PERIPH_CORE0_IRAM0_PMS 56 #define ESP32C3_PERIPH_CORE0_DRAM0_PMS 57 #define ESP32C3_PERIPH_CORE0_PIF_PMS 58 #define ESP32C3_PERIPH_CORE0_PIF_PMS_SZIE 59 #define ESP32C3_PERIPH_BAK_PMS_VIOLATE 60 #define ESP32C3_PERIPH_CACHE_CORE0_ACS 61 /* Total number of peripherals */ #define ESP32C3_NPERIPHERALS 62 /* CPU Interrupts. * * The ESP32-C3 CPU interrupt controller accepts 31 asynchronous interrupts. */ #define ESP32C3_CPUINT_MIN 1 #define ESP32C3_CPUINT_MAX 31 /* Reserved CPU interrupt for specific drivers */ #define ESP32C3_CPUINT_WMAC 1 /* Wi-Fi MAC */ /* IRQ numbers. */ /* ecall is dispatched like normal interrupts. It occupies an IRQ number. */ #define ESP32C3_IRQ_ECALL_M 0 #define RISCV_NIRQ_INTERRUPTS 1 /* Number of RISC-V dispatched interrupts. */ #define ESP32C3_IRQ_FIRSTPERIPH 1 /* First peripheral IRQ number */ /* Peripheral IRQs */ #define ESP32C3_IRQ_WIFI_MAC (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_WIFI_MAC) #define ESP32C3_IRQ_WIFI_MAC_NMI (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_WIFI_MAC_NMI) #define ESP32C3_IRQ_WIFI_PWR (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_WIFI_PWR) #define ESP32C3_IRQ_WIFI_BB (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_WIFI_BB) #define ESP32C3_IRQ_BT_MAC (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_BT_MAC) #define ESP32C3_IRQ_BT_BB (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_BT_BB) #define ESP32C3_IRQ_BT_BB_NMI (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_BT_BB_NMI) #define ESP32C3_IRQ_RWBT_IRQ (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_RWBT_IRQ) #define ESP32C3_IRQ_RWBLE_IRQ (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_RWBLE_IRQ) #define ESP32C3_IRQ_RWBT_NMI (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_RWBT_NMI) #define ESP32C3_IRQ_RWBLE_NMI (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_RWBLE_NMI) #define ESP32C3_IRQ_I2C_MASTER (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_I2C_MASTER) #define ESP32C3_IRQ_SLC0 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_SLC0) #define ESP32C3_IRQ_SLC1 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_SLC1) #define ESP32C3_IRQ_APB_CTRL (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_APB_CTRL) #define ESP32C3_IRQ_UHCI0 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_UHCI0) #define ESP32C3_IRQ_GPIO (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_GPIO) #define ESP32C3_IRQ_GPIO_NMI (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_GPIO_NMI) #define ESP32C3_IRQ_SPI1 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_SPI1) #define ESP32C3_IRQ_SPI2 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_SPI2) #define ESP32C3_IRQ_I2S1 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_I2S1) #define ESP32C3_IRQ_UART0 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_UART0) #define ESP32C3_IRQ_UART1 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_UART1) #define ESP32C3_IRQ_LEDC (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_LEDC) #define ESP32C3_IRQ_EFUSE (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_EFUSE) #define ESP32C3_IRQ_TWAI (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_TWAI) #define ESP32C3_IRQ_USB (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_USB) #define ESP32C3_IRQ_RTC_CORE (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_RTC_CORE) #define ESP32C3_IRQ_RMT (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_RMT) #define ESP32C3_IRQ_I2C_EXT0 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_I2C_EXT0) #define ESP32C3_IRQ_TIMER1 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_TIMER1) #define ESP32C3_IRQ_TIMER2 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_TIMER2) #define ESP32C3_IRQ_TG0_T0 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_TG0_T0) #define ESP32C3_IRQ_TG0_WDT (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_TG0_WDT) #define ESP32C3_IRQ_TG1_T0 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_TG1_T0) #define ESP32C3_IRQ_TG1_WDT (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_TG1_WDT) #define ESP32C3_IRQ_CACHE_IA (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_CACHE_IA) #define ESP32C3_IRQ_SYSTIMER_T0 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_SYSTIMER_T0) #define ESP32C3_IRQ_SYSTIMER_T1 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_SYSTIMER_T1) #define ESP32C3_IRQ_SYSTIMER_T2 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_SYSTIMER_T2) #define ESP32C3_IRQ_SPIMEM_REJECT_CACHE (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_SPIMEM_REJECT_CACHE) #define ESP32C3_IRQ_ICACHE_PRELOAD0 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_ICACHE_PRELOAD0) #define ESP32C3_IRQ_ICACHE_SYNC0 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_ICACHE_SYNC0) #define ESP32C3_IRQ_APB_ADC (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_APB_ADC) #define ESP32C3_IRQ_DMA_CH0 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_DMA_CH0) #define ESP32C3_IRQ_DMA_CH1 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_DMA_CH1) #define ESP32C3_IRQ_DMA_CH2 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_DMA_CH2) #define ESP32C3_IRQ_RSA (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_RSA) #define ESP32C3_IRQ_AES (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_AES) #define ESP32C3_IRQ_SHA (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_SHA) #define ESP32C3_IRQ_FROM_CPU_INT0 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_FROM_CPU_INT0) #define ESP32C3_IRQ_FROM_CPU_INT1 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_FROM_CPU_INT1) #define ESP32C3_IRQ_FROM_CPU_INT2 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_FROM_CPU_INT2) #define ESP32C3_IRQ_FROM_CPU_INT3 (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_FROM_CPU_INT3) #define ESP32C3_IRQ_ASSIST_DEBUG (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_ASSIST_DEBUG) #define ESP32C3_IRQ_DMA_APBPERI_PMS (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_DMA_APBPERI_PMS) #define ESP32C3_IRQ_CORE0_IRAM0_PMS (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_CORE0_IRAM0_PMS) #define ESP32C3_IRQ_CORE0_DRAM0_PMS (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_CORE0_DRAM0_PMS) #define ESP32C3_IRQ_CORE0_PIF_PMS (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_CORE0_PIF_PMS) #define ESP32C3_IRQ_CORE0_PIF_PMS_SZIE (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_CORE0_PIF_PMS_SZIE) #define ESP32C3_IRQ_BAK_PMS_VIOLATE (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_BAK_PMS_VIOLATE) #define ESP32C3_IRQ_CACHE_CORE0_ACS (ESP32C3_IRQ_FIRSTPERIPH + ESP32C3_PERIPH_CACHE_CORE0_ACS) #define ESP32C3_NIRQ_PERIPH ESP32C3_NPERIPHERALS /* Second level GPIO interrupts. GPIO interrupts are decoded and dispatched * as a second level of decoding: The first level dispatches to the GPIO * interrupt handler. The second to the decoded GPIO interrupt handler. */ #ifdef CONFIG_ESP32C3_GPIO_IRQ # define ESP32C3_NIRQ_GPIO 22 # define ESP32C3_FIRST_GPIOIRQ (RISCV_NIRQ_INTERRUPTS + ESP32C3_NIRQ_PERIPH) # define ESP32C3_LAST_GPIOIRQ (ESP32C3_FIRST_GPIOIRQ + ESP32C3_NIRQ_GPIO - 1) # define ESP32C3_PIN2IRQ(p) ((p) + ESP32C3_FIRST_GPIOIRQ) # define ESP32C3_IRQ2PIN(i) ((i) - ESP32C3_FIRST_GPIOIRQ) #else # define ESP32C3_NIRQ_GPIO 0 #endif /* Total number of IRQs: ecall + Number of peripheral IRQs + GPIOs IRQs. */ #define NR_IRQS (RISCV_NIRQ_INTERRUPTS + ESP32C3_NIRQ_PERIPH + ESP32C3_NIRQ_GPIO) /**************************************************************************** * Inline functions ****************************************************************************/ #ifndef __ASSEMBLY__ /**************************************************************************** * Name: up_irq_restore * * Description: * Restore the value of the mstatus register * ****************************************************************************/ static inline void up_irq_restore(irqstate_t flags) { __asm__ __volatile__ ( "csrw mstatus, %0" : /* no output */ : "r" (flags) ); } /**************************************************************************** * Name: up_irq_save * * Description: * Disable interrupts and return the previous value of the mstatus register * ****************************************************************************/ static inline irqstate_t up_irq_save(void) { irqstate_t flags; /* Read mstatus & clear machine interrupt enable (MIE) in mstatus */ __asm__ __volatile__ ( "csrrc %0, mstatus, %1" : "=r" (flags) : "r"(MSTATUS_MIE) ); /* Return the previous mstatus value so that it can be restored with * up_irq_restore(). */ return flags; } /**************************************************************************** * Name: up_irq_enable * * Description: * Return the current interrupt state and enable interrupts * ****************************************************************************/ static inline irqstate_t up_irq_enable(void) { uint32_t flags; /* Read mstatus & set machine interrupt enable (MIE) in mstatus */ __asm__ __volatile__ ( "csrrs %0, mstatus, %1": "=r" (flags) : "r"(MSTATUS_MIE) ); return flags; } /**************************************************************************** * Name: up_irq_disable * * Description: * Disable interrupts * ****************************************************************************/ static inline void up_irq_disable(void) { up_irq_save(); } #endif /* __ASSEMBLY__ */ #endif /* __ARCH_RISCV_INCLUDE_ESP32C3_IRQ_H */