acrn-kernel/arch/powerpc/boot/cuboot-ebony.c

43 lines
1.1 KiB
C

/*
* 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"
#define TARGET_44x
#include "ppcboot.h"
static bd_t bd;
extern char _end[];
BSS_STACK(4096);
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7)
{
unsigned long end_of_ram = bd.bi_memstart + bd.bi_memsize;
unsigned long avail_ram = end_of_ram - (unsigned long)_end;
memcpy(&bd, (bd_t *)r3, sizeof(bd));
loader_info.initrd_addr = r4;
loader_info.initrd_size = r4 ? r5 : 0;
loader_info.cmdline = (char *)r6;
loader_info.cmdline_len = r7 - r6;
simple_alloc_init(_end, avail_ram, 32, 64);
ebony_init(&bd.bi_enetaddr, &bd.bi_enet1addr);
}