From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/arm/include/asm/hardware/memc.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 arch/arm/include/asm/hardware/memc.h (limited to 'arch/arm/include/asm/hardware/memc.h') diff --git a/arch/arm/include/asm/hardware/memc.h b/arch/arm/include/asm/hardware/memc.h new file mode 100644 index 000000000..1d4ebe0a9 --- /dev/null +++ b/arch/arm/include/asm/hardware/memc.h @@ -0,0 +1,23 @@ +/* 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 -- cgit v1.2.3