96 lines
1.7 KiB
C
96 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2013 Xilinx, Inc.
|
|
*/
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <clk.h>
|
|
#if defined(CONFIG_DM) && defined(CONFIG_CLK)
|
|
#include <dm.h>
|
|
#include <dm/device-internal.h>
|
|
#endif
|
|
|
|
int __weak soc_clk_dump(void)
|
|
{
|
|
#if defined(CONFIG_DM) && defined(CONFIG_CLK)
|
|
struct udevice *dev;
|
|
struct uclass *uc;
|
|
struct clk clk;
|
|
int ret;
|
|
|
|
/* Device addresses start at 1 */
|
|
ret = uclass_get(UCLASS_CLK, &uc);
|
|
if (ret)
|
|
return ret;
|
|
|
|
uclass_foreach_dev(dev, uc) {
|
|
memset(&clk, 0, sizeof(clk));
|
|
ret = device_probe(dev);
|
|
if (ret) {
|
|
printf("%-30.30s : ? Hz\n", dev->name);
|
|
continue;
|
|
}
|
|
|
|
ret = clk_request(dev, &clk);
|
|
if (ret) {
|
|
printf("%-30.30s : ? Hz\n", dev->name);
|
|
continue;
|
|
}
|
|
|
|
printf("%-30.30s : %lu Hz\n", dev->name, clk_get_rate(&clk));
|
|
|
|
clk_free(&clk);
|
|
}
|
|
|
|
return 0;
|
|
#else
|
|
puts("Not implemented\n");
|
|
return 1;
|
|
#endif
|
|
}
|
|
|
|
static int do_clk_dump(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char *const argv[])
|
|
{
|
|
int ret;
|
|
|
|
ret = soc_clk_dump();
|
|
if (ret < 0) {
|
|
printf("Clock dump error %d\n", ret);
|
|
ret = CMD_RET_FAILURE;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
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);
|