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refactor(drivers): refactor the iram-safe option of the gdma peripherals

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Closes https://github.com/espressif/esp-idf/issues/15771
This commit is contained in:
morris
2025-04-14 18:19:36 +08:00
parent 7bcb7248bb
commit 2c376ff99f
22 changed files with 48 additions and 37 deletions
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2
components/esp_driver_spi/Kconfig
View File

@@ -26,6 +26,7 @@ menu "ESP-Driver:SPI Configurations"
select HAL_SPI_MASTER_FUNC_IN_IRAM
select ESP_SPI_BUS_LOCK_ISR_FUNCS_IN_IRAM
select GDMA_CTRL_FUNC_IN_IRAM if SOC_GDMA_SUPPORTED
select GDMA_ISR_HANDLER_IN_IRAM if SOC_GDMA_SUPPORTED
help
Place the SPI master ISR in to IRAM to avoid possible cache miss.
@@ -54,6 +55,7 @@ menu "ESP-Driver:SPI Configurations"
default y
select HAL_SPI_SLAVE_FUNC_IN_IRAM
select GDMA_CTRL_FUNC_IN_IRAM if SOC_GDMA_SUPPORTED
select GDMA_ISR_HANDLER_IN_IRAM if SOC_GDMA_SUPPORTED
help
Place the SPI slave ISR in to IRAM to avoid possible cache miss.

6
components/esp_driver_spi/src/gpspi/spi_common.c
View File

@@ -222,6 +222,9 @@ static esp_err_t alloc_dma_chan(spi_host_device_t host_id, spi_dma_chan_t dma_ch
if (dma_chan == SPI_DMA_CH_AUTO) {
gdma_channel_alloc_config_t tx_alloc_config = {
.flags.reserve_sibling = 1,
#if CONFIG_SPI_MASTER_ISR_IN_IRAM
.flags.isr_cache_safe = true,
#endif
.direction = GDMA_CHANNEL_DIRECTION_TX,
};
ESP_RETURN_ON_ERROR(SPI_GDMA_NEW_CHANNEL(&tx_alloc_config, &dma_ctx->tx_dma_chan), SPI_TAG, "alloc gdma tx failed");
@@ -229,6 +232,9 @@ static esp_err_t alloc_dma_chan(spi_host_device_t host_id, spi_dma_chan_t dma_ch
gdma_channel_alloc_config_t rx_alloc_config = {
.direction = GDMA_CHANNEL_DIRECTION_RX,
.sibling_chan = dma_ctx->tx_dma_chan,
#if CONFIG_SPI_MASTER_ISR_IN_IRAM
.flags.isr_cache_safe = true,
#endif
};
ESP_RETURN_ON_ERROR(SPI_GDMA_NEW_CHANNEL(&rx_alloc_config, &dma_ctx->rx_dma_chan), SPI_TAG, "alloc gdma rx failed");