cmd: Rename CMD_MISC to CMD_SLEEP

The "cmd/Kconfig" has a TODO description for CMD_MISC that it should
really be named as CMD_SLEEP. Change it in the whole source tree.

Signed-off-by: Bin Meng <bin.meng@windriver.com>

1 files changed, 85 insertions, 0 deletions

diff --git a/cmd/sleep.c b/cmd/sleep.c
new file mode 100644
index 0000000000..86986f0993
--- /dev/null
+++ b/cmd/sleep.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <console.h>
+#include <linux/delay.h>
+
+static int do_sleep(struct cmd_tbl *cmdtp, int flag, int argc,
+		    char *const argv[])
+{
+	ulong start = get_timer(0);
+	ulong mdelay = 0;
+	ulong delay;
+	char *frpart;
+
+	if (argc != 2)
+		return CMD_RET_USAGE;
+
+	delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
+
+	frpart = strchr(argv[1], '.');
+
+	if (frpart) {
+		uint mult = CONFIG_SYS_HZ / 10;
+		for (frpart++; *frpart != '\0' && mult > 0; frpart++) {
+			if (*frpart < '0' || *frpart > '9') {
+				mdelay = 0;
+				break;
+			}
+			mdelay += (*frpart - '0') * mult;
+			mult /= 10;
+		}
+	}
+
+	delay += mdelay;
+
+	while (get_timer(start) < delay) {
+		if (ctrlc())
+			return (-1);
+
+		udelay(100);
+	}
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	sleep ,    2,    1,     do_sleep,
+	"delay execution for some time",
+	"N\n"
+	"    - delay execution for N seconds (N is _decimal_ and can be\n"
+	"      fractional)"
+);
+
+#ifdef CONFIG_CMD_TIMER
+static int do_timer(struct cmd_tbl *cmdtp, int flag, int argc,
+		    char *const argv[])
+{
+	static ulong start;
+
+	if (argc != 2)
+		return CMD_RET_USAGE;
+
+	if (!strcmp(argv[1], "start"))
+		start = get_timer(0);
+
+	if (!strcmp(argv[1], "get")) {
+		ulong msecs = get_timer(start) * 1000 / CONFIG_SYS_HZ;
+		printf("%ld.%03d\n", msecs / 1000, (int)(msecs % 1000));
+	}
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	timer,    2,    1,     do_timer,
+	"access the system timer",
+	"start - Reset the timer reference.\n"
+	"timer get   - Print the time since 'start'."
+);
+#endif