treeboot-ebony.c

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/*
 * Old U-boot compatibility for Ebony
 *
 * Author: David Gibson <[email protected]>
 *
 * Copyright 2007 David Gibson, IBM Corporatio.
 *   Based on cuboot-83xx.c, which is:
 * Copyright (c) 2007 Freescale Semiconductor, Inc.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 */

#include "ops.h"
#include "stdio.h"
#include "44x.h"

BSS_STACK(4096);

#define OPENBIOS_MAC_BASE   0xfffffe0c
#define OPENBIOS_MAC_OFFSET 0xc

void platform_init(void)
{
    unsigned long end_of_ram = 0x8000000;
    unsigned long avail_ram = end_of_ram - (unsigned long)_end;

    simple_alloc_init(_end, avail_ram, 32, 64);
    ebony_init((u8 *)OPENBIOS_MAC_BASE,
           (u8 *)(OPENBIOS_MAC_BASE + OPENBIOS_MAC_OFFSET));
}