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authorWolfgang Denk <wd@pollux.denx.de>2006-10-24 14:21:16 +0200
committerWolfgang Denk <wd@pollux.denx.de>2006-10-24 14:21:16 +0200
commit7b64fef33c66be648826c0ff9758298ef13d0604 (patch)
treeea8a3685319987b5d135c2f48e9bc1eee4720640 /include/asm-avr32/addrspace.h
parent2da2d9a4766063b9848f3a35ad6025499cf87265 (diff)
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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>
Diffstat (limited to 'include/asm-avr32/addrspace.h')
-rw-r--r--include/asm-avr32/addrspace.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/asm-avr32/addrspace.h b/include/asm-avr32/addrspace.h
new file mode 100644
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--- /dev/null
+++ b/include/asm-avr32/addrspace.h
@@ -0,0 +1,46 @@
+/*
+ * 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 */