diff options
| author | Tom Rini <[email protected]> | 2026-02-07 11:51:43 -0600 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2026-02-07 11:51:43 -0600 |
| commit | b887a1c1a1110582d178faad4397a0197938454e (patch) | |
| tree | 6f902115518ca668333f34095442b95646c71af1 /cmd | |
| parent | 2ffab9da9142c03dc0f2ce056ccd2b0f43c02742 (diff) | |
| parent | b4842032d542cfde271aab61b80ab870b27b07b2 (diff) | |
Merge patch series "Add command for getting ramsize in scripts"
Frank Wunderlich <[email protected]> says:
Add command for getting ramsize in scripts
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/Kconfig | 8 | ||||
| -rw-r--r-- | cmd/meminfo.c | 25 |
2 files changed, 33 insertions, 0 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index cc4dd5a3163..322ebe600c5 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -940,6 +940,14 @@ config CMD_MEMINFO_MAP See doc/usage/cmd/meminfo.rst for more information. +config CMD_MEMSIZE + bool "memsize" + default y if SANDBOX + depends on CMD_MEMINFO + help + Get RAM via command for use in scripts. Print or assign decimal value + in MiB to environment variable. + config CMD_MEMORY bool "md, mm, nm, mw, cp, cmp, base, loop" default y diff --git a/cmd/meminfo.c b/cmd/meminfo.c index b731280d106..69a5b1b51a2 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 */ |