gpdma_speed_test.c File Reference

#include <stdlib.h>
#include <string.h>
#include "board.h"

Go to the source code of this file.

Macros
#define	TRANSFER_DST_ADDR   0x28500000
#define	TRANSFER_SRC_ADDR   0x28100000
#define	TRANSFER_SIZE   0x200000
#define	TRANSFER_BLOCK_SZ   (4 * 3 * 1024) /* 3K of data transfered per LLI */
#define	DMA_DESCRIPTOR_COUNT   256

Functions
static void	prepare_src_data (uint32_t *src, int sz)
static int	prepare_dma_desc (uint32_t *dst, const uint32_t *src, uint32_t sz)
static void	print_result (const void *dst, const void *src, int sz, uint32_t stime, uint32_t etime, const char *mode)
void	DMA_IRQHandler (void)
	RIT interrupt handler.
int	main (void)
	Main entry point.

Variables
static uint8_t	ch_no
static DMA_TransferDescriptor_t	desc_array [DMA_DESCRIPTOR_COUNT]
static volatile int	dma_xfer_complete