diff options
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/init.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 30a69d67d67..c70fb1d1890 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -27,8 +27,43 @@ #include "mm.h" extern void _text, _etext, __data_start, _end, __init_begin, __init_end; -extern unsigned long phys_initrd_start; -extern unsigned long phys_initrd_size; + +static unsigned long phys_initrd_start __initdata = 0; +static unsigned long phys_initrd_size __initdata = 0; + +static void __init early_initrd(char **p) +{ + unsigned long start, size; + + start = memparse(*p, p); + if (**p == ',') { + size = memparse((*p) + 1, p); + + phys_initrd_start = start; + phys_initrd_size = size; + } +} +__early_param("initrd=", early_initrd); + +static int __init parse_tag_initrd(const struct tag *tag) +{ + printk(KERN_WARNING "ATAG_INITRD is deprecated; " + "please update your bootloader.\n"); + phys_initrd_start = __virt_to_phys(tag->u.initrd.start); + phys_initrd_size = tag->u.initrd.size; + return 0; +} + +__tagtable(ATAG_INITRD, parse_tag_initrd); + +static int __init parse_tag_initrd2(const struct tag *tag) +{ + phys_initrd_start = tag->u.initrd.start; + phys_initrd_size = tag->u.initrd.size; + return 0; +} + +__tagtable(ATAG_INITRD2, parse_tag_initrd2); /* * This is used to pass memory configuration data from paging_init |