diff options
Diffstat (limited to 'arch/powerpc/boot/cuboot.c')
-rw-r--r-- | arch/powerpc/boot/cuboot.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/powerpc/boot/cuboot.c b/arch/powerpc/boot/cuboot.c new file mode 100644 index 000000000000..65795468ad6f --- /dev/null +++ b/arch/powerpc/boot/cuboot.c | |||
@@ -0,0 +1,35 @@ | |||
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 | extern char _end[]; | ||
21 | extern char _dtb_start[], _dtb_end[]; | ||
22 | |||
23 | void cuboot_init(unsigned long r4, unsigned long r5, | ||
24 | unsigned long r6, unsigned long r7, | ||
25 | unsigned long end_of_ram) | ||
26 | { | ||
27 | unsigned long avail_ram = end_of_ram - (unsigned long)_end; | ||
28 | |||
29 | loader_info.initrd_addr = r4; | ||
30 | loader_info.initrd_size = r4 ? r5 - r4 : 0; | ||
31 | loader_info.cmdline = (char *)r6; | ||
32 | loader_info.cmdline_len = r7 - r6; | ||
33 | |||
34 | simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64); | ||
35 | } | ||