2005-04-16 15:20:36 -07:00
|
|
|
/*
|
2008-08-02 10:55:55 +01:00
|
|
|
* arch/arm/include/asm/hardware/memc.h
|
2005-04-16 15:20:36 -07:00
|
|
|
*
|
|
|
|
|
* Copyright (C) Russell King.
|
|
|
|
|
*
|
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
|
|
|
* published by the Free Software Foundation.
|
|
|
|
|
*/
|
|
|
|
|
#define VDMA_ALIGNMENT PAGE_SIZE
|
|
|
|
|
#define VDMA_XFERSIZE 16
|
|
|
|
|
#define VDMA_INIT 0
|
|
|
|
|
#define VDMA_START 1
|
|
|
|
|
#define VDMA_END 2
|
|
|
|
|
|
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
|
extern void memc_write(unsigned int reg, unsigned long val);
|
|
|
|
|
|
|
|
|
|
#define video_set_dma(start,end,offset) \
|
|
|
|
|
do { \
|
|
|
|
|
memc_write (VDMA_START, (start >> 2)); \
|
|
|
|
|
memc_write (VDMA_END, (end - VDMA_XFERSIZE) >> 2); \
|
|
|
|
|
memc_write (VDMA_INIT, (offset >> 2)); \
|
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
|
|
#endif
|
