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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/powerpc/boot/
1/*
2 * Old U-boot compatibility for Ebony
3 *
4 * Author: David Gibson <david@gibson.dropbear.id.au>
5 *
6 * Copyright 2007 David Gibson, IBM Corporatio.
7 *   Based on cuboot-83xx.c, which is:
8 * Copyright (c) 2007 Freescale Semiconductor, Inc.
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License version 2 as published
12 * by the Free Software Foundation.
13 */
14
15#include "ops.h"
16#include "stdio.h"
17#include "44x.h"
18
19BSS_STACK(4096);
20
21#define OPENBIOS_MAC_BASE	0xfffffe0c
22#define OPENBIOS_MAC_OFFSET	0xc
23
24void platform_init(void)
25{
26	unsigned long end_of_ram = 0x8000000;
27	unsigned long avail_ram = end_of_ram - (unsigned long)_end;
28
29	simple_alloc_init(_end, avail_ram, 32, 64);
30	ebony_init((u8 *)OPENBIOS_MAC_BASE,
31		   (u8 *)(OPENBIOS_MAC_BASE + OPENBIOS_MAC_OFFSET));
32}
33