From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/microblaze/include/asm/dma.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 arch/microblaze/include/asm/dma.h (limited to 'arch/microblaze/include/asm/dma.h') diff --git a/arch/microblaze/include/asm/dma.h b/arch/microblaze/include/asm/dma.h new file mode 100644 index 000000000..e6cb6d072 --- /dev/null +++ b/arch/microblaze/include/asm/dma.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2006 Atmark Techno, Inc. + */ + +#ifndef _ASM_MICROBLAZE_DMA_H +#define _ASM_MICROBLAZE_DMA_H + +#ifndef CONFIG_MMU +/* we don't have dma address limit. define it as zero to be + * unlimited. */ +#define MAX_DMA_ADDRESS (0) +#else +/* Virtual address corresponding to last available physical memory address. */ +#define MAX_DMA_ADDRESS (CONFIG_KERNEL_START + memory_size - 1) +#endif + +#ifdef CONFIG_PCI +extern int isa_dma_bridge_buggy; +#else +#define isa_dma_bridge_buggy (0) +#endif + +#endif /* _ASM_MICROBLAZE_DMA_H */ -- cgit v1.2.3