mirror of
https://github.com/torvalds/linux.git
synced 2024-11-19 02:21:47 +00:00
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
|
/*
|
||
|
|
* 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;
|
||
|
|
}
|
||
|
|
|