| /* 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 |
