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authorTimothy Pearson <tpearson@raptorengineering.com>2017-08-23 14:45:25 -0500
committerTimothy Pearson <tpearson@raptorengineering.com>2017-08-23 14:45:25 -0500
commitfcbb27b0ec6dcbc5a5108cb8fb19eae64593d204 (patch)
tree22962a4387943edc841c72a4e636a068c66d58fd /arch/arm/mach-clps711x/mm.c
downloadast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.zip
ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.tar.gz
Initial import of modified Linux 2.6.28 tree
Original upstream URL: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y
Diffstat (limited to 'arch/arm/mach-clps711x/mm.c')
-rw-r--r--arch/arm/mach-clps711x/mm.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/mach-clps711x/mm.c b/arch/arm/mach-clps711x/mm.c
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+++ b/arch/arm/mach-clps711x/mm.c
@@ -0,0 +1,49 @@
+/*
+ * linux/arch/arm/mach-clps711x/mm.c
+ *
+ * Generic MM setup for the CLPS711x-based machines.
+ *
+ * Copyright (C) 2001 Deep Blue Solutions Ltd
+ *
+ * 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/mm.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+
+#include <asm/sizes.h>
+#include <mach/hardware.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <asm/mach/map.h>
+#include <asm/hardware/clps7111.h>
+
+/*
+ * This maps the generic CLPS711x registers
+ */
+static struct map_desc clps711x_io_desc[] __initdata = {
+ {
+ .virtual = CLPS7111_VIRT_BASE,
+ .pfn = __phys_to_pfn(CLPS7111_PHYS_BASE),
+ .length = SZ_1M,
+ .type = MT_DEVICE
+ }
+};
+
+void __init clps711x_map_io(void)
+{
+ iotable_init(clps711x_io_desc, ARRAY_SIZE(clps711x_io_desc));
+}
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