xref: /openbmc/u-boot/cmd/clk.c (revision cb1cbdd9)
1 /*
2  * Copyright (C) 2013 Xilinx, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 #include <common.h>
7 #include <command.h>
8 #include <clk.h>
9 
10 int __weak soc_clk_dump(void)
11 {
12 	puts("Not implemented\n");
13 	return 1;
14 }
15 
16 static int do_clk_dump(cmd_tbl_t *cmdtp, int flag, int argc,
17 		       char *const argv[])
18 {
19 	return soc_clk_dump();
20 }
21 
22 static cmd_tbl_t cmd_clk_sub[] = {
23 	U_BOOT_CMD_MKENT(dump, 1, 1, do_clk_dump, "", ""),
24 };
25 
26 static int do_clk(cmd_tbl_t *cmdtp, int flag, int argc,
27 		  char *const argv[])
28 {
29 	cmd_tbl_t *c;
30 
31 	if (argc < 2)
32 		return CMD_RET_USAGE;
33 
34 	/* Strip off leading 'clk' command argument */
35 	argc--;
36 	argv++;
37 
38 	c = find_cmd_tbl(argv[0], &cmd_clk_sub[0], ARRAY_SIZE(cmd_clk_sub));
39 
40 	if (c)
41 		return c->cmd(cmdtp, flag, argc, argv);
42 	else
43 		return CMD_RET_USAGE;
44 }
45 
46 #ifdef CONFIG_SYS_LONGHELP
47 static char clk_help_text[] =
48 	"dump - Print clock frequencies";
49 #endif
50 
51 U_BOOT_CMD(clk, 2, 1, do_clk, "CLK sub-system", clk_help_text);
52