1 files changed, 82 insertions, 0 deletions
diff --git a/arch/arm/mach-clps711x/edb7211-mm.c b/arch/arm/mach-clps711x/edb7211-mm.c
new file mode 100644
index 00000000..4372f06c
--- /dev/null
+++ b/arch/arm/mach-clps711x/edb7211-mm.c
@@ -0,0 +1,82 @@
+/*
+ *  linux/arch/arm/mach-clps711x/mm.c
+ *
+ *  Extra MM routines for the EDB7211 board
+ *
+ *  Copyright (C) 2000, 2001 Blue Mug, Inc.  All Rights Reserved.
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/bug.h>
+
+#include <mach/hardware.h>
+#include <asm/page.h>
+#include <asm/sizes.h>
+ 
+#include <asm/mach/map.h>
+
+extern void clps711x_map_io(void);
+
+/*
+ * The on-chip registers are given a size of 1MB so that a section can
+ * be used to map them; this saves a page table.  This is the place to
+ * add mappings for ROM, expansion memory, PCMCIA, etc.  (if static
+ * mappings are chosen for those areas).
+ *
+ * Here is a physical memory map (to be fleshed out later):
+ *
+ * Physical Address  Size  Description
+ * ----------------- ----- ---------------------------------
+ * c0000000-c001ffff 128KB reserved for video RAM [1]
+ * c0020000-c0023fff  16KB parameters (see Documentation/arm/Setup)
+ * c0024000-c0027fff  16KB swapper_pg_dir (task 0 page directory)
+ * c0028000-...            kernel image (TEXTADDR)
+ *
+ * [1] Unused pages should be given back to the VM; they are not yet.
+ *     The parameter block should also be released (not sure if this
+ *     happens).
+ */
+static struct map_desc edb7211_io_desc[] __initdata = {
+ 	{	/* memory-mapped extra keyboard row */
+	 	.virtual 	= EP7211_VIRT_EXTKBD,
+		.pfn		= __phys_to_pfn(EP7211_PHYS_EXTKBD),
+		.length		= SZ_1M,
+		.type		= MT_DEVICE,
+	}, {	/* and CS8900A Ethernet chip */
+		.virtual	= EP7211_VIRT_CS8900A,
+		.pfn		= __phys_to_pfn(EP7211_PHYS_CS8900A),
+		.length		= SZ_1M,
+		.type		= MT_DEVICE,
+	}, { 	/* flash banks */
+		.virtual	= EP7211_VIRT_FLASH1,
+		.pfn		= __phys_to_pfn(EP7211_PHYS_FLASH1),
+		.length		= SZ_8M,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= EP7211_VIRT_FLASH2,
+		.pfn		= __phys_to_pfn(EP7211_PHYS_FLASH2),
+		.length		= SZ_8M,
+		.type		= MT_DEVICE,
+	}
+};
+
+void __init edb7211_map_io(void)
+{
+        clps711x_map_io();
+        iotable_init(edb7211_io_desc, ARRAY_SIZE(edb7211_io_desc));
+}
+