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drivers: mbox: esp32: IRQ priority and flags from dts

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Get IRQ priority and flags from device tree, allowing for
custom configuration.

Signed-off-by: Raffael Rostagno <raffael.rostagno@espressif.com>
This commit is contained in:
Raffael Rostagno 2024-09-19 13:24:30 -03:00 committed by Anas Nashif
parent eb19d32588
commit d392e9b345
1 changed files with 25 additions and 10 deletions
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35
drivers/mbox/mbox_esp32.c
View file

@ -10,6 +10,7 @@
#include <stdint.h>
#include <string.h>
#include <zephyr/kernel.h>
#include <zephyr/device.h>
#include <zephyr/drivers/mbox.h>
#include <zephyr/drivers/interrupt_controller/intc_esp32.h>
@ -33,8 +34,12 @@ struct esp32_mbox_memory {
};
struct esp32_mbox_config {
uint32_t irq_source_pro_cpu;
uint32_t irq_source_app_cpu;
int irq_source_pro_cpu;
int irq_priority_pro_cpu;
int irq_flags_pro_cpu;
int irq_source_app_cpu;
int irq_priority_app_cpu;
int irq_flags_app_cpu;
};
struct esp32_mbox_data {
@ -189,6 +194,7 @@ static int esp32_mbox_init(const struct device *dev)
{
struct esp32_mbox_data *data = (struct esp32_mbox_data *)dev->data;
struct esp32_mbox_config *cfg = (struct esp32_mbox_config *)dev->config;
int ret;
data->this_core_id = esp_core_id();
data->other_core_id = (data->this_core_id == 0) ? 1 : 0;
@ -200,16 +206,21 @@ static int esp32_mbox_init(const struct device *dev)
/* pro_cpu is responsible to initialize the lock of shared memory */
if (data->this_core_id == 0) {
esp_intr_alloc(cfg->irq_source_pro_cpu, ESP_INTR_FLAG_IRAM,
(intr_handler_t)esp32_mbox_isr, (void *)dev, NULL);
ret = esp_intr_alloc(cfg->irq_source_pro_cpu,
ESP_PRIO_TO_FLAGS(cfg->irq_priority_pro_cpu) |
ESP_INT_FLAGS_CHECK(cfg->irq_flags_pro_cpu) |
ESP_INTR_FLAG_IRAM,
(intr_handler_t)esp32_mbox_isr, (void *)dev, NULL);
atomic_set(&data->control->lock, ESP32_MBOX_LOCK_FREE_VAL);
} else {
/* app_cpu wait for initialization from pro_cpu, then takes it,
* after that releases
*/
esp_intr_alloc(cfg->irq_source_app_cpu, ESP_INTR_FLAG_IRAM,
(intr_handler_t)esp32_mbox_isr, (void *)dev, NULL);
ret = esp_intr_alloc(cfg->irq_source_app_cpu,
ESP_PRIO_TO_FLAGS(cfg->irq_priority_app_cpu) |
ESP_INT_FLAGS_CHECK(cfg->irq_flags_app_cpu) |
ESP_INTR_FLAG_IRAM,
(intr_handler_t)esp32_mbox_isr, (void *)dev, NULL);
LOG_DBG("Waiting CPU0 to sync");
while (!atomic_cas(&data->control->lock, ESP32_MBOX_LOCK_FREE_VAL,
@ -221,7 +232,7 @@ static int esp32_mbox_init(const struct device *dev)
LOG_DBG("Synchronization done");
}
return 0;
return ret;
}
static const struct mbox_driver_api esp32_mbox_driver_api = {
@ -238,8 +249,12 @@ static const struct mbox_driver_api esp32_mbox_driver_api = {
#define ESP32_MBOX_INIT(idx) \
static struct esp32_mbox_config esp32_mbox_device_cfg_##idx = { \
.irq_source_pro_cpu = DT_INST_IRQN(idx), \
.irq_source_app_cpu = DT_INST_IRQN(idx) + 1, \
.irq_source_pro_cpu = DT_INST_IRQ_BY_IDX(idx, 0, irq), \
.irq_priority_pro_cpu = DT_INST_IRQ_BY_IDX(idx, 0, priority), \
.irq_flags_pro_cpu = DT_INST_IRQ_BY_IDX(idx, 0, flags), \
.irq_source_app_cpu = DT_INST_IRQ_BY_IDX(idx, 1, irq), \
.irq_priority_app_cpu = DT_INST_IRQ_BY_IDX(idx, 1, priority), \
.irq_flags_app_cpu = DT_INST_IRQ_BY_IDX(idx, 1, flags), \
}; \
static struct esp32_mbox_data esp32_mbox_device_data_##idx = { \
.shm_size = ESP32_MBOX_SHM_SIZE_BY_IDX(idx), \