memc.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:1k
- /*
- * linux/include/asm-arm/hardware/memc.h
- *
- * 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