diff options
author | Michal Simek <michal.simek@xilinx.com> | 2013-11-21 21:39:02 (GMT) |
---|---|---|
committer | Michal Simek <michal.simek@xilinx.com> | 2014-02-04 15:32:20 (GMT) |
commit | 08d0d6f32ecf75a6c5dede5fc9ee84b84d8b90e7 (patch) | |
tree | be8d95641cf786e62b8ca9c69469d582ddcad249 /common | |
parent | 07e2822d158940a0e8ba45b6ab0344ffa1011a07 (diff) | |
download | u-boot-08d0d6f32ecf75a6c5dede5fc9ee84b84d8b90e7.tar.xz |
common: Add new clk command
Command provides just dump subcommand for showing clock
frequencies in a soc.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'common')
-rw-r--r-- | common/Makefile | 1 | ||||
-rw-r--r-- | common/cmd_clk.c | 51 |
2 files changed, 52 insertions, 0 deletions
diff --git a/common/Makefile b/common/Makefile index 4d99ecd..a83246e 100644 --- a/common/Makefile +++ b/common/Makefile @@ -59,6 +59,7 @@ obj-$(CONFIG_CMD_BOOTLDR) += cmd_bootldr.o obj-$(CONFIG_CMD_BOOTSTAGE) += cmd_bootstage.o obj-$(CONFIG_CMD_CACHE) += cmd_cache.o obj-$(CONFIG_CMD_CBFS) += cmd_cbfs.o +obj-$(CONFIG_CMD_CLK) += cmd_clk.o obj-$(CONFIG_CMD_CONSOLE) += cmd_console.o obj-$(CONFIG_CMD_CPLBINFO) += cmd_cplbinfo.o obj-$(CONFIG_DATAFLASH_MMC_SELECT) += cmd_dataflash_mmc_mux.o diff --git a/common/cmd_clk.c b/common/cmd_clk.c new file mode 100644 index 0000000..6d3d46a --- /dev/null +++ b/common/cmd_clk.c @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2013 Xilinx, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <command.h> +#include <clk.h> + +int __weak soc_clk_dump(void) +{ + puts("Not implemented\n"); + return 1; +} + +static int do_clk_dump(cmd_tbl_t *cmdtp, int flag, int argc, + char *const argv[]) +{ + return soc_clk_dump(); +} + +static cmd_tbl_t cmd_clk_sub[] = { + U_BOOT_CMD_MKENT(dump, 1, 1, do_clk_dump, "", ""), +}; + +static int do_clk(cmd_tbl_t *cmdtp, int flag, int argc, + char *const argv[]) +{ + cmd_tbl_t *c; + + if (argc < 2) + return CMD_RET_USAGE; + + /* Strip off leading 'clk' command argument */ + argc--; + argv++; + + c = find_cmd_tbl(argv[0], &cmd_clk_sub[0], ARRAY_SIZE(cmd_clk_sub)); + + if (c) + return c->cmd(cmdtp, flag, argc, argv); + else + return CMD_RET_USAGE; +} + +#ifdef CONFIG_SYS_LONGHELP +static char clk_help_text[] = + "dump - Print clock frequencies"; +#endif + +U_BOOT_CMD(clk, 2, 1, do_clk, "CLK sub-system", clk_help_text); |