patch-2.4.22 linux-2.4.22/arch/arm/mach-epxa/mm.c

• Lines: 44
• Date: 2003-08-25 04:44:39.000000000 -0700
• Orig file: linux-2.4.21/arch/arm/mach-epxa/mm.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/arch/arm/mach-epxa/mm.c linux-2.4.22/arch/arm/mach-epxa/mm.c
@@ -0,0 +1,43 @@
+/*
+ *  linux/arch/arm/mach-epxa10db/mm.c
+ *
+ *  MM routines for Altera'a Epxa10db board
+ *
+ *  Copyright (C) 2001 Altera Corporation
+ *
+ * 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
+ */
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/init.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <asm/sizes.h>
+ 
+#include <asm/mach/map.h>
+
+/* Page table mapping for I/O region */
+ 
+static struct map_desc epxa_io_desc[] __initdata = {
+ { IO_ADDRESS(EXC_REGISTERS_BASE),   EXC_REGISTERS_BASE,   SZ_4K     , DOMAIN_IO, 0, 1},  LAST_DESC
+};
+
+void __init epxa_map_io(void)
+{
+	iotable_init(epxa_io_desc);
+}