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Diffstat (limited to '')
-rw-r--r-- | arch/arm/mach-sa1100/include/mach/hardware.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/include/mach/hardware.h b/arch/arm/mach-sa1100/include/mach/hardware.h new file mode 100644 index 000000000..6f2dbdc28 --- /dev/null +++ b/arch/arm/mach-sa1100/include/mach/hardware.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * arch/arm/mach-sa1100/include/mach/hardware.h + * + * Copyright (C) 1998 Nicolas Pitre <nico@fluxnic.net> + * + * This file contains the hardware definitions for SA1100 architecture + * + * 2000/05/23 John Dorsey <john+@cs.cmu.edu> + * Definitions for SA1111 added. + */ + +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + + +#define UNCACHEABLE_ADDR 0xfa050000 /* ICIP */ + + +/* + * SA1100 internal I/O mappings + * + * We have the following mapping: + * phys virt + * 80000000 f8000000 + * 90000000 fa000000 + * a0000000 fc000000 + * b0000000 fe000000 + */ + +#define VIO_BASE 0xf8000000 /* virtual start of IO space */ +#define VIO_SHIFT 3 /* x = IO space shrink power */ +#define PIO_START 0x80000000 /* physical start of IO space */ + +#define io_p2v( x ) \ + IOMEM( (((x)&0x00ffffff) | (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE ) +#define io_v2p( x ) \ + ( (((x)&0x00ffffff) | (((x)&(0x30000000>>VIO_SHIFT))<<VIO_SHIFT)) + PIO_START ) + +#define __MREG(x) IOMEM(io_p2v(x)) + +#ifndef __ASSEMBLY__ + +# define __REG(x) (*((volatile unsigned long __iomem *)io_p2v(x))) +# define __PREG(x) (io_v2p((unsigned long)&(x))) + +#else + +# define __REG(x) io_p2v(x) +# define __PREG(x) io_v2p(x) + +#endif + +#include "SA-1100.h" + +#endif /* _ASM_ARCH_HARDWARE_H */ |