1 files changed, 46 insertions, 0 deletions

diff --git a/arch/powerpc/boot/wii.c b/arch/powerpc/boot/wii.c
new file mode 100644
index 000000000000..d0e2625a9539
--- /dev/null
+++ b/arch/powerpc/boot/wii.c
@@ -0,0 +1,46 @@
+/*
+ * arch/powerpc/boot/wii.c
+ *
+ * Nintendo Wii bootwrapper support
+ * Copyright (C) 2008-2009 The GameCube Linux Team
+ * Copyright (C) 2008,2009 Albert Herranz
+ *
+ * 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.
+ *
+ */
+
+#include <stddef.h>
+#include "stdio.h"
+#include "types.h"
+#include "io.h"
+#include "ops.h"
+
+#include "ugecon.h"
+
+BSS_STACK(8192);
+
+#define HW_REG(x)       ((void *)(x))
+
+#define EXI_CTRL        HW_REG(0x0d800070)
+#define EXI_CTRL_ENABLE (1<<0)
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5)
+{
+        u32 heapsize = 24*1024*1024 - (u32)_end;
+
+        simple_alloc_init(_end, heapsize, 32, 64);
+        fdt_init(_dtb_start);
+
+        /*
+         * 'mini' boots the Broadway processor with EXI disabled.
+         * We need it enabled before probing for the USB Gecko.
+         */
+        out_be32(EXI_CTRL, in_be32(EXI_CTRL) | EXI_CTRL_ENABLE);
+
+        if (ug_probe())
+                console_ops.write = ug_console_write;
+}
+