diff options
Diffstat (limited to 'arch/mips/alchemy/common/prom.c')
| -rw-r--r-- | arch/mips/alchemy/common/prom.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/mips/alchemy/common/prom.c b/arch/mips/alchemy/common/prom.c index af312b5e33f6..d910c0a64de9 100644 --- a/arch/mips/alchemy/common/prom.c +++ b/arch/mips/alchemy/common/prom.c @@ -34,6 +34,9 @@ */ #include <linux/init.h> +#include <linux/kernel.h> +#include <linux/memblock.h> +#include <linux/sizes.h> #include <linux/string.h> #include <asm/bootinfo.h> @@ -76,6 +79,24 @@ char *prom_getenv(char *envname) return NULL; } +void __init prom_init(void) +{ + unsigned char *memsize_str; + unsigned long memsize; + + prom_argc = (int)fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; + + prom_init_cmdline(); + + memsize_str = prom_getenv("memsize"); + if (!memsize_str || kstrtoul(memsize_str, 0, &memsize)) + memsize = SZ_64M; /* minimum memsize is 64MB RAM */ + + memblock_add(0, memsize); +} + static inline unsigned char str2hexnum(unsigned char c) { if (c >= '0' && c <= '9') |