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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>
47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
/*
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* Copyright (C) 2006 Atmel Corporation
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __ASM_AVR32_ADDRSPACE_H
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#define __ASM_AVR32_ADDRSPACE_H
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/* Memory segments when segmentation is enabled */
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#define P0SEG 0x00000000
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#define P1SEG 0x80000000
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#define P2SEG 0xa0000000
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#define P3SEG 0xc0000000
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#define P4SEG 0xe0000000
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/* Returns the privileged segment base of a given address */
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#define PXSEG(a) (((unsigned long)(a)) & 0xe0000000)
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/* Returns the physical address of a PnSEG (n=1,2) address */
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#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff)
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/*
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* Map an address to a certain privileged segment
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*/
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#define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG))
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#define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG))
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#define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG))
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#define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG))
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#endif /* __ASM_AVR32_ADDRSPACE_H */
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