linux-stable/arch/microblaze/include/asm/dma.h
Michal Simek 4726dd6082 microblaze: Convert headers to SPDX license
Covert all headers to SPDX.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Stefan Asserhall <stefan.asserhall@xilinx.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2020-02-25 12:33:19 +01:00

24 lines
570 B
C

/* 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 */