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| author | Marco Stornelli <marco.stornelli@gmail.com> | 2008-09-16 09:14:03 +0200 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-09-22 09:51:01 +0200 |
| commit | 48c1fd3882286fd9e978ca8725013f2e060b700e (patch) | |
| tree | 77613bf4d867532f4f4976592a66ee39d96869c3 /arch/avr32/kernel | |
| parent | 3d256151471ba9fd60a5b896a706eb21a6b1cea1 (diff) | |
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>
Diffstat (limited to 'arch/avr32/kernel')
| -rw-r--r-- | arch/avr32/kernel/setup.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c index d8e623c426c..5c7083916c3 100644 --- a/arch/avr32/kernel/setup.c +++ b/arch/avr32/kernel/setup.c @@ -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) { |