kernel-fxtec-pro1x/arch/powerpc/boot/wii.c

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/*
* 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;
}