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kernel add
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/*
* Defitions for the address spaces of the AVR32 CPUs. Heavily based on
* include/asm-sh/addrspace.h
*
* Copyright (C) 2004-2006 Atmel Corporation
*
* 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_AVR32_ADDRSPACE_H
#define __ASM_AVR32_ADDRSPACE_H
#ifdef CONFIG_MMU
/* Memory segments when segmentation is enabled */
#define P0SEG 0x00000000
#define P1SEG 0x80000000
#define P2SEG 0xa0000000
#define P3SEG 0xc0000000
#define P4SEG 0xe0000000
/* Returns the privileged segment base of a given address */
#define PXSEG(a) (((unsigned long)(a)) & 0xe0000000)
/* Returns the physical address of a PnSEG (n=1,2) address */
#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff)
/*
* Map an address to a certain privileged segment
*/
#define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) \
| P1SEG))
#define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) \
| P2SEG))
#define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) \
| P3SEG))
#define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) \
| P4SEG))
#endif /* CONFIG_MMU */
#endif /* __ASM_AVR32_ADDRSPACE_H */
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