diff options
Diffstat (limited to 'cmd/meminfo.c')
| -rw-r--r-- | cmd/meminfo.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/cmd/meminfo.c b/cmd/meminfo.c index aa3b5bafe17..e7db9d065f5 100644 --- a/cmd/meminfo.c +++ b/cmd/meminfo.c @@ -8,10 +8,12 @@ #include <bootstage.h> #include <command.h> #include <display_options.h> +#include <env.h> #include <lmb.h> #include <malloc.h> #include <mapmem.h> #include <asm/global_data.h> +#include <linux/sizes.h> DECLARE_GLOBAL_DATA_PTR; @@ -98,8 +100,31 @@ static int do_meminfo(struct cmd_tbl *cmdtp, int flag, int argc, return 0; } +#ifdef CONFIG_CMD_MEMSIZE +static int do_mem_size(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + u64 memsize = gd->ram_size / SZ_1M; + + if (argc > 1) + return env_set_ulong(argv[1], memsize); + else + printf("%lld MiB\n", memsize); + + return 0; +} +#endif /* CONFIG_CMD_MEMSIZE */ + U_BOOT_CMD( meminfo, 1, 1, do_meminfo, "display memory information", "" ); + +#ifdef CONFIG_CMD_MEMSIZE +U_BOOT_CMD( + memsize, 2, 1, do_mem_size, + "get detected ram size in MiB, optional set env variable with value", + "[envvar]" +); +#endif /* CONFIG_CMD_MEMSIZE */ |