repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
24 lines
550 B
C
24 lines
550 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* arch/arm/include/asm/hardware/memc.h
|
|
*
|
|
* Copyright (C) Russell King.
|
|
*/
|
|
#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
|