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Altera_Forum
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12 years ago

system.h missing /dev/dma_0, but DMA device is in the top.socpinfo file

I have a working FPGA design with PCIe + DMA + JTAG_UART + NIOS II + Internal Memory. I have been asked to move to a HAL design for the the C code running on NIOS II. I have got to the po...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

system.h now has this DMA infi,

/*

* dma_0 configuration

*

*/

# define ALT_MODULE_CLASS_dma_0 altera_avalon_dma

# define DMA_0_ALLOW_BYTE_TRANSACTIONS 1

# define DMA_0_ALLOW_DOUBLEWORD_TRANSACTIONS 1

# define DMA_0_ALLOW_HW_TRANSACTIONS 1

# define DMA_0_ALLOW_QUADWORD_TRANSACTIONS 1

# define DMA_0_ALLOW_WORD_TRANSACTIONS 1

# define DMA_0_BASE 0x1000

# define DMA_0_IRQ -1

# define DMA_0_IRQ_INTERRUPT_CONTROLLER_ID -1

# define DMA_0_LENGTHWIDTH 13

# define DMA_0_MAX_BURST_SIZE 128

# define DMA_0_NAME "/dev/dma_0"

# define DMA_0_SPAN 64

# define DMA_0_TYPE "altera_avalon_dma"