1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/mach-iop32x/setup.c b/arch/arm/mach-iop32x/setup.c
new file mode 100644
index 000000000..a0a81c28a
--- /dev/null
+++ b/arch/arm/mach-iop32x/setup.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * arch/arm/plat-iop/setup.c
+ *
+ * Author: Nicolas Pitre <nico@fluxnic.net>
+ * Copyright (C) 2001 MontaVista Software, Inc.
+ * Copyright (C) 2004 Intel Corporation.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <asm/mach/map.h>
+#include "iop3xx.h"
+
+/*
+ * Standard IO mapping for all IOP3xx based systems.  Note that
+ * the IOP3xx OCCDR must be mapped uncached and unbuffered.
+ */
+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_UNCACHED,
+	},
+};
+
+void __init iop3xx_map_io(void)
+{
+	iotable_init(iop3xx_std_desc, ARRAY_SIZE(iop3xx_std_desc));
+}