RTEMS | bsp/aarch64/raspberrypi: Add support for DMA (!662)

Mon Aug 18 17:06:18 UTC 2025



Shaunak Datar commented on a discussion on bsps/aarch64/raspberrypi/include/bsp/raspberrypi-dma.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/662#note_128952

 > +  DMA_CHANNEL_4,
 > +  DMA_CHANNEL_5,
 > +  DMA_CHANNEL_6,
 > +  DMA_LITE_CHANNEL_7,
 > +  DMA_LITE_CHANNEL_8,
 > +  DMA_LITE_CHANNEL_9,
 > +  DMA_LITE_CHANNEL_10,
 > +  DMA4_CHANNEL_11,
 > +  DMA4_CHANNEL_12,
 > +  DMA4_CHANNEL_13,
 > +  DMA4_CHANNEL_14,
 > +} rpi_dma_channel;
 > +
 > +void* rpi_unaligned_mem_to_mem_dma( rpi_dma_channel channel, void *src, uint32_t length );
 > +rtems_status_code rpi_dma_mem_to_mem_start_transfer( rpi_dma_channel channel );
 > +rtems_status_code rpi_dma_mem_to_mem_wait( rpi_dma_channel channel );

Fixed it

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/662#note_128952
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