| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768 |
- /*
- * include/asm-arm/arch-ns9xxx/hardware.h
- *
- * Copyright (C) 2006 by Digi International Inc.
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
- #ifndef __ASM_ARCH_HARDWARE_H
- #define __ASM_ARCH_HARDWARE_H
- #include <asm/memory.h>
- /*
- * NetSilicon NS9xxx internal mapping:
- *
- * physical <--> virtual
- * 0x90000000 - 0x906fffff <--> 0xf9000000 - 0xf96fffff
- * 0xa0100000 - 0xa0afffff <--> 0xfa100000 - 0xfaafffff
- */
- #define io_p2v(x) (0xf0000000 \
- + (((x) & 0xf0000000) >> 4) \
- + ((x) & 0x00ffffff))
- #define io_v2p(x) ((((x) & 0x0f000000) << 4) \
- + ((x) & 0x00ffffff))
- #define __REGBIT(bit) ((u32)1 << (bit))
- #define __REGBITS(hbit, lbit) ((((u32)1 << ((hbit) - (lbit) + 1)) - 1) << (lbit))
- #define __REGVAL(mask, value) (((value) * ((mask) & (-(mask))) & (mask)))
- #ifndef __ASSEMBLY__
- # define __REG(x) (*((volatile u32 *)io_p2v((x))))
- # define __REG2(x, y) (*((volatile u32 *)io_p2v((x)) + (y)))
- # define __REGB(x) (*((volatile u8 *)io_p2v((x))))
- # define __REGB2(x) (*((volatile u8 *)io_p2v((x)) + (y)))
- # define REGSET(var, reg, field, value) \
- ((var) = (((var) \
- & ~(reg ## _ ## field & \
- ~ reg ## _ ## field ## _ ## value)) \
- | (reg ## _ ## field ## _ ## value)))
- # define REGSETIM(var, reg, field, value) \
- ((var) = (((var) \
- & ~(reg ## _ ## field & \
- ~(__REGVAL(reg ## _ ## field, value)))) \
- | (__REGVAL(reg ## _ ## field, value))))
- # define REGGET(var, reg, field) \
- ((var & (reg ## _ ## field)) / \
- ((reg ## _ ## field) & (-(reg ## _ ## field))))
- #else
- # define __REG(x) io_p2v(x)
- # define __REG2(x, y) io_p2v((x) + (y))
- # define __REGB(x) __REG((x))
- # define __REGB2(x, y) __REG2((x), (y))
- #endif
- #endif /* ifndef __ASM_ARCH_HARDWARE_H */
|
