avr32: added mem kernel command line option support

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
This commit is contained in:
Marco Stornelli 2008-09-16 09:14:03 +02:00 committed by Haavard Skinnemoen
parent 3d25615147
commit 48c1fd3882

View file

@ -283,6 +283,25 @@ static int __init early_parse_fbmem(char *p)
}
early_param("fbmem", early_parse_fbmem);
/*
* Pick out the memory size. We look for mem=size@start,
* where start and size are "size[KkMmGg]"
*/
static int __init early_mem(char *p)
{
resource_size_t size, start;
start = system_ram->start;
size = memparse(p, &p);
if (*p == '@')
start = memparse(p + 1, &p);
system_ram->start = start;
system_ram->end = system_ram->start + size - 1;
return 0;
}
early_param("mem", early_mem);
static int __init parse_tag_core(struct tag *tag)
{
if (tag->hdr.size > 2) {