xref: /linux/arch/powerpc/boot/cuboot.c (revision 60e13231561b3a4c5269bfa1ef6c0569ad6f28ec)
1 /*
2  * Compatibility for old (not device tree aware) U-Boot versions
3  *
4  * Author: Scott Wood <scottwood@freescale.com>
5  * Consolidated using macros by David Gibson <david@gibson.dropbear.id.au>
6  *
7  * Copyright 2007 David Gibson, IBM Corporation.
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 
18 #include "ppcboot.h"
19 
20 void cuboot_init(unsigned long r4, unsigned long r5,
21 		 unsigned long r6, unsigned long r7,
22 		 unsigned long end_of_ram)
23 {
24 	unsigned long avail_ram = end_of_ram - (unsigned long)_end;
25 
26 	loader_info.initrd_addr = r4;
27 	loader_info.initrd_size = r4 ? r5 - r4 : 0;
28 	loader_info.cmdline = (char *)r6;
29 	loader_info.cmdline_len = r7 - r6;
30 
31 	simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64);
32 }
33