From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- arch/arm/mach-footbridge/include/mach/isa-dma.h | 26 +++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 arch/arm/mach-footbridge/include/mach/isa-dma.h (limited to 'arch/arm/mach-footbridge/include/mach/isa-dma.h') diff --git a/arch/arm/mach-footbridge/include/mach/isa-dma.h b/arch/arm/mach-footbridge/include/mach/isa-dma.h new file mode 100644 index 000000000..8a1b99107 --- /dev/null +++ b/arch/arm/mach-footbridge/include/mach/isa-dma.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * arch/arm/mach-footbridge/include/mach/isa-dma.h + * + * Architecture DMA routines + * + * Copyright (C) 1998,1999 Russell King + * Copyright (C) 1998,1999 Philip Blundell + */ +#ifndef __ASM_ARCH_DMA_H +#define __ASM_ARCH_DMA_H + +/* + * The 21285 has two internal DMA channels; we call these 8 and 9. + * On CATS hardware we have an additional eight ISA dma channels + * numbered 0..7. + */ +#define _ISA_DMA(x) (0+(x)) +#define _DC21285_DMA(x) (8+(x)) + +#define MAX_DMA_CHANNELS 10 + +#define DMA_FLOPPY _ISA_DMA(2) +#define DMA_ISA_CASCADE _ISA_DMA(4) + +#endif /* _ASM_ARCH_DMA_H */ -- cgit v1.2.3