u-boot/include/asm-avr32/addrspace.h
Wolfgang Denk 7b64fef33c Add AVR32 architecture support
Patch by Haavard Skinnemoen, 6 Sep 2006 16:23:02 +0200

This patch adds common infrastructure code for the Atmel AVR32
architecture. See doc/README.AVR32 for details.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
2006-10-24 14:21:16 +02:00

46 lines
1.7 KiB
C

/*
* Copyright (C) 2006 Atmel Corporation
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __ASM_AVR32_ADDRSPACE_H
#define __ASM_AVR32_ADDRSPACE_H
/* 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 /* __ASM_AVR32_ADDRSPACE_H */