linux_dsm_epyc7002/arch/powerpc/boot/treeboot-ebony.c

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/*
* Old U-boot compatibility for Ebony
*
* Author: David Gibson <david@gibson.dropbear.id.au>
*
* 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"
extern char _end[];
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));
}