aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-at91/include/mach/io.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-at91/include/mach/io.h')
-rw-r--r--arch/arm/mach-at91/include/mach/io.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/io.h b/arch/arm/mach-at91/include/mach/io.h
new file mode 100644
index 000000000000..1611bd03f528
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/io.h
@@ -0,0 +1,48 @@
+/*
+ * arch/arm/mach-at91/include/mach/io.h
+ *
+ * Copyright (C) 2003 SAN People
+ *
+ * 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_ARCH_IO_H
+#define __ASM_ARCH_IO_H
+
+#define IO_SPACE_LIMIT 0xFFFFFFFF
+
+#define __io(a) ((void __iomem *)(a))
+#define __mem_pci(a) (a)
+
+
+#ifndef __ASSEMBLY__
+
+static inline unsigned int at91_sys_read(unsigned int reg_offset)
+{
+ void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
+
+ return __raw_readl(addr + reg_offset);
+}
+
+static inline void at91_sys_write(unsigned int reg_offset, unsigned long value)
+{
+ void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
+
+ __raw_writel(value, addr + reg_offset);
+}
+
+#endif
+
+#endif