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 @@ +/* + * Compatibility for old (not device tree aware) U-Boot versions + * + * Author: Scott Wood <scottwood@freescale.com> + * Consolidated using macros by David Gibson <david@gibson.dropbear.id.au> + * + * Copyright 2007 David Gibson, IBM Corporation. + * 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 "ppcboot.h" + +extern char _end[]; +extern char _dtb_start[], _dtb_end[]; + +void cuboot_init(unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7, + unsigned long end_of_ram) +{ + unsigned long avail_ram = end_of_ram - (unsigned long)_end; + + loader_info.initrd_addr = r4; + loader_info.initrd_size = r4 ? r5 - r4 : 0; + loader_info.cmdline = (char *)r6; + loader_info.cmdline_len = r7 - r6; + + simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64); +} |