[ARM] 3818/1: iop3xx: introduce arch/arm/plat-iop for shared iop32x/iop33x code

Introduce the arch/arm/plat-iop directory, for code shared between the
iop32x and iop33x, and move the common memory map setup bits there.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 46 insertions, 0 deletions

diff --git a/arch/arm/plat-iop/Makefile b/arch/arm/plat-iop/Makefile
new file mode 100644
index 000000000000..b299103537c5
--- /dev/null
+++ b/arch/arm/plat-iop/Makefile
@@ -0,0 +1,8 @@
+#
+# Makefile for the linux kernel.
+#
+
+obj-y                   := setup.o
+obj-m                   :=
+obj-n                   :=
+obj-                    :=
diff --git a/arch/arm/plat-iop/setup.c b/arch/arm/plat-iop/setup.c
new file mode 100644
index 000000000000..4689db638e95
--- /dev/null
+++ b/arch/arm/plat-iop/setup.c
@@ -0,0 +1,38 @@
+/*
+ * arch/arm/plat-iop/setup.c
+ *
+ * Author: Nicolas Pitre <nico@cam.org>
+ * Copyright (C) 2001 MontaVista Software, Inc.
+ * Copyright (C) 2004 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <asm/mach/map.h>
+#include <asm/hardware/iop3xx.h>
+
+/*
+ * Standard IO mapping for all IOP3xx based systems
+ */
+static struct map_desc iop3xx_std_desc[] __initdata = {
+         {      /* mem mapped registers */
+                .virtual        = IOP3XX_PERIPHERAL_VIRT_BASE,
+                .pfn            = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE),
+                .length         = IOP3XX_PERIPHERAL_SIZE,
+                .type           = MT_DEVICE,
+         }, {   /* PCI IO space */
+                .virtual        = IOP3XX_PCI_LOWER_IO_VA,
+                .pfn            = __phys_to_pfn(IOP3XX_PCI_LOWER_IO_PA),
+                .length         = IOP3XX_PCI_IO_WINDOW_SIZE,
+                .type           = MT_DEVICE,
+         },
+};
+
+void __init iop3xx_map_io(void)
+{
+        iotable_init(iop3xx_std_desc, ARRAY_SIZE(iop3xx_std_desc));
+}