1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * arch/arm/mach-rpc/include/mach/isa-dma.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 1997 Russell King 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun #ifndef __ASM_ARCH_DMA_H 8*4882a593Smuzhiyun #define __ASM_ARCH_DMA_H 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #define MAX_DMA_CHANNELS 8 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define DMA_0 0 13*4882a593Smuzhiyun #define DMA_1 1 14*4882a593Smuzhiyun #define DMA_2 2 15*4882a593Smuzhiyun #define DMA_3 3 16*4882a593Smuzhiyun #define DMA_S0 4 17*4882a593Smuzhiyun #define DMA_S1 5 18*4882a593Smuzhiyun #define DMA_VIRTUAL_FLOPPY 6 19*4882a593Smuzhiyun #define DMA_VIRTUAL_SOUND 7 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #define DMA_FLOPPY DMA_VIRTUAL_FLOPPY 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun #define IOMD_DMA_BOUNDARY (PAGE_SIZE - 1) 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #endif /* _ASM_ARCH_DMA_H */ 26*4882a593Smuzhiyun 27