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/*
* Copyright (C) 2012 by Marc Kleine-Budde <mkl@pengutronix.de>
*
* This file is released under the GPLv2
*
*/
#include <common.h>
#define dma_alloc dma_alloc
static inline void *dma_alloc(size_t size)
{
return xmemalign(64, ALIGN(size, 64));
}
#ifndef CONFIG_MMU
static inline void *dma_alloc_coherent(size_t size, dma_addr_t *dma_handle)
{
void *ret = xmemalign(4096, size);
if (dma_handle)
*dma_handle = (dma_addr_t)ret;
return ret;
}
static inline void *dma_alloc_writecombine(size_t size, dma_addr_t *dma_handle)
{
return dma_alloc_coherent(size, dma_handle);
}
static inline void dma_free_coherent(void *mem, dma_addr_t dma_handle,
size_t size)
{
free(mem);
}
static inline dma_addr_t dma_map_single(struct device_d *dev, void *ptr, size_t size,
enum dma_data_direction dir)
{
return (dma_addr_t)ptr;
}
static inline void dma_unmap_single(struct device_d *dev, dma_addr_t addr, size_t size,
enum dma_data_direction dir)
{
}
static inline void dma_sync_single_for_cpu(dma_addr_t address, size_t size,
enum dma_data_direction dir)
{
}
static inline void dma_sync_single_for_device(dma_addr_t address, size_t size,
enum dma_data_direction dir)
{
}
#endif
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