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>
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1 changed files with 19 additions and 0 deletions
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@ -283,6 +283,25 @@ static int __init early_parse_fbmem(char *p)
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}
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early_param("fbmem", early_parse_fbmem);
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/*
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* Pick out the memory size. We look for mem=size@start,
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* where start and size are "size[KkMmGg]"
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*/
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static int __init early_mem(char *p)
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{
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resource_size_t size, start;
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start = system_ram->start;
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size = memparse(p, &p);
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if (*p == '@')
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start = memparse(p + 1, &p);
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system_ram->start = start;
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system_ram->end = system_ram->start + size - 1;
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return 0;
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}
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early_param("mem", early_mem);
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static int __init parse_tag_core(struct tag *tag)
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{
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if (tag->hdr.size > 2) {
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