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stm32/dma: Extend STM32H5 DMA use to SPI3 and SPI4.

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Attempting to configure SPI3 and SPI4 for the STM32H5 would fail with a
linker error.  This patch resolves that, ensuring that appropriate DMA
channels are assigned to those SPI resources.

Signed-off-by: Matt Trentini <matt.trentini@gmail.com>
This commit is contained in:
Matt Trentini
2025-07-01 08:17:09 +10:00
committed by Damien George
parent f3c56c81ea
commit 42cfa7cdae
1 changed files with 6 additions and 2 deletions
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8
ports/stm32/dma.c
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@@ -735,9 +735,13 @@ const dma_descr_t dma_SPI_1_RX = { GPDMA1_Channel0, GPDMA1_REQUEST_SPI1_RX, dma_
const dma_descr_t dma_SPI_1_TX = { GPDMA1_Channel1, GPDMA1_REQUEST_SPI1_TX, dma_id_1, &dma_init_struct_spi_i2c };
const dma_descr_t dma_SPI_2_RX = { GPDMA1_Channel2, GPDMA1_REQUEST_SPI2_RX, dma_id_2, &dma_init_struct_spi_i2c };
const dma_descr_t dma_SPI_2_TX = { GPDMA1_Channel3, GPDMA1_REQUEST_SPI2_TX, dma_id_3, &dma_init_struct_spi_i2c };
const dma_descr_t dma_SPI_3_RX = { GPDMA1_Channel4, GPDMA1_REQUEST_SPI3_RX, dma_id_4, &dma_init_struct_spi_i2c };
const dma_descr_t dma_SPI_3_TX = { GPDMA1_Channel5, GPDMA1_REQUEST_SPI3_TX, dma_id_5, &dma_init_struct_spi_i2c };
const dma_descr_t dma_SPI_4_RX = { GPDMA1_Channel6, GPDMA1_REQUEST_SPI4_RX, dma_id_6, &dma_init_struct_spi_i2c };
const dma_descr_t dma_SPI_4_TX = { GPDMA1_Channel7, GPDMA1_REQUEST_SPI4_TX, dma_id_7, &dma_init_struct_spi_i2c };
#if MICROPY_HW_ENABLE_DAC
const dma_descr_t dma_DAC_1_TX = { GPDMA1_Channel4, GPDMA1_REQUEST_DAC1_CH1, dma_id_4, &dma_init_struct_dac };
const dma_descr_t dma_DAC_2_TX = { GPDMA1_Channel5, GPDMA1_REQUEST_DAC1_CH2, dma_id_5, &dma_init_struct_dac };
const dma_descr_t dma_DAC_1_TX = { GPDMA2_Channel0, GPDMA1_REQUEST_DAC1_CH1, dma_id_8, &dma_init_struct_dac };
const dma_descr_t dma_DAC_2_TX = { GPDMA2_Channel1, GPDMA1_REQUEST_DAC1_CH2, dma_id_9, &dma_init_struct_dac };
#endif
static const uint8_t dma_irqn[NSTREAM] = {