mirror of
https://github.com/smaeul/u-boot.git
synced 2025-10-25 01:58:13 +01:00
819833af39
This helps to clean up the include/ directory so that it only contains non-architecture-specific headers and also matches Linux's directory layout which many U-Boot developers are already familiar with. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2006 Atmel Corporation
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
#ifndef __ASM_AVR32_DMA_MAPPING_H
|
|
#define __ASM_AVR32_DMA_MAPPING_H
|
|
|
|
#include <asm/io.h>
|
|
#include <asm/arch/cacheflush.h>
|
|
|
|
enum dma_data_direction {
|
|
DMA_BIDIRECTIONAL = 0,
|
|
DMA_TO_DEVICE = 1,
|
|
DMA_FROM_DEVICE = 2,
|
|
};
|
|
extern void *dma_alloc_coherent(size_t len, unsigned long *handle);
|
|
|
|
static inline unsigned long dma_map_single(volatile void *vaddr, size_t len,
|
|
enum dma_data_direction dir)
|
|
{
|
|
extern void __bad_dma_data_direction(void);
|
|
|
|
switch (dir) {
|
|
case DMA_BIDIRECTIONAL:
|
|
dcache_flush_range(vaddr, len);
|
|
break;
|
|
case DMA_TO_DEVICE:
|
|
dcache_clean_range(vaddr, len);
|
|
break;
|
|
case DMA_FROM_DEVICE:
|
|
dcache_invalidate_range(vaddr, len);
|
|
break;
|
|
default:
|
|
/* This will cause a linker error */
|
|
__bad_dma_data_direction();
|
|
}
|
|
|
|
return virt_to_phys(vaddr);
|
|
}
|
|
|
|
static inline void dma_unmap_single(volatile void *vaddr, size_t len,
|
|
unsigned long paddr)
|
|
{
|
|
|
|
}
|
|
|
|
#endif /* __ASM_AVR32_DMA_MAPPING_H */
|