From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/arm/mach-rpc/include/mach/io.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 arch/arm/mach-rpc/include/mach/io.h (limited to 'arch/arm/mach-rpc/include/mach/io.h') diff --git a/arch/arm/mach-rpc/include/mach/io.h b/arch/arm/mach-rpc/include/mach/io.h new file mode 100644 index 0000000000..8a8f284066 --- /dev/null +++ b/arch/arm/mach-rpc/include/mach/io.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/mach-rpc/include/mach/io.h + * + * Copyright (C) 1997 Russell King + * + * Modifications: + * 06-Dec-1997 RMK Created. + */ +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#include + +#define IO_SPACE_LIMIT 0xffff + +/* + * We need PC style IO addressing for: + * - floppy (at 0x3f2,0x3f4,0x3f5,0x3f7) + * - parport (at 0x278-0x27a, 0x27b-0x27f, 0x778-0x77a) + * - 8250 serial (only for compile) + * + * These peripherals are found in an area of MMIO which looks very much + * like an ISA bus, but with registers at the low byte of each word. + */ +#define __io(a) (PCIO_BASE + ((a) << 2)) + +#endif -- cgit v1.2.3