X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Fcommon%2Fcmd_date.c;fp=qemu%2Froms%2Fu-boot%2Fcommon%2Fcmd_date.c;h=e3491662bc5819bc837545d9ed953ff21937ad0c;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/u-boot/common/cmd_date.c b/qemu/roms/u-boot/common/cmd_date.c
new file mode 100644
index 000000000..e3491662b
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_date.c
@@ -0,0 +1,218 @@
+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * RTC, Date & Time support: get and set date & time
+ */
+#include <common.h>
+#include <command.h>
+#include <rtc.h>
+#include <i2c.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const char * const weekdays[] = {
+	"Sun", "Mon", "Tues", "Wednes", "Thurs", "Fri", "Satur",
+};
+
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+#define RELOC(a)	((typeof(a))((unsigned long)(a) + gd->reloc_off))
+#else
+#define RELOC(a)	a
+#endif
+
+int mk_date (const char *, struct rtc_time *);
+
+static int do_date(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	struct rtc_time tm;
+	int rcode = 0;
+	int old_bus;
+
+	/* switch to correct I2C bus */
+#ifdef CONFIG_SYS_I2C
+	old_bus = i2c_get_bus_num();
+	i2c_set_bus_num(CONFIG_SYS_RTC_BUS_NUM);
+#else
+	old_bus = I2C_GET_BUS();
+	I2C_SET_BUS(CONFIG_SYS_RTC_BUS_NUM);
+#endif
+
+	switch (argc) {
+	case 2:			/* set date & time */
+		if (strcmp(argv[1],"reset") == 0) {
+			puts ("Reset RTC...\n");
+			rtc_reset ();
+		} else {
+			/* initialize tm with current time */
+			rcode = rtc_get (&tm);
+
+			if(!rcode) {
+				/* insert new date & time */
+				if (mk_date (argv[1], &tm) != 0) {
+					puts ("## Bad date format\n");
+					break;
+				}
+				/* and write to RTC */
+				rcode = rtc_set (&tm);
+				if(rcode)
+					puts("## Set date failed\n");
+			} else {
+				puts("## Get date failed\n");
+			}
+		}
+		/* FALL TROUGH */
+	case 1:			/* get date & time */
+		rcode = rtc_get (&tm);
+
+		if (rcode) {
+			puts("## Get date failed\n");
+			break;
+		}
+
+		printf ("Date: %4d-%02d-%02d (%sday)    Time: %2d:%02d:%02d\n",
+			tm.tm_year, tm.tm_mon, tm.tm_mday,
+			(tm.tm_wday<0 || tm.tm_wday>6) ?
+				"unknown " : RELOC(weekdays[tm.tm_wday]),
+			tm.tm_hour, tm.tm_min, tm.tm_sec);
+
+		break;
+	default:
+		rcode = CMD_RET_USAGE;
+	}
+
+	/* switch back to original I2C bus */
+#ifdef CONFIG_SYS_I2C
+	i2c_set_bus_num(old_bus);
+#else
+	I2C_SET_BUS(old_bus);
+#endif
+
+	return rcode;
+}
+
+/*
+ * simple conversion of two-digit string with error checking
+ */
+static int cnvrt2 (const char *str, int *valp)
+{
+	int val;
+
+	if ((*str < '0') || (*str > '9'))
+		return (-1);
+
+	val = *str - '0';
+
+	++str;
+
+	if ((*str < '0') || (*str > '9'))
+		return (-1);
+
+	*valp = 10 * val + (*str - '0');
+
+	return (0);
+}
+
+/*
+ * Convert date string: MMDDhhmm[[CC]YY][.ss]
+ *
+ * Some basic checking for valid values is done, but this will not catch
+ * all possible error conditions.
+ */
+int mk_date (const char *datestr, struct rtc_time *tmp)
+{
+	int len, val;
+	char *ptr;
+
+	ptr = strchr (datestr,'.');
+	len = strlen (datestr);
+
+	/* Set seconds */
+	if (ptr) {
+		int sec;
+
+		*ptr++ = '\0';
+		if ((len - (ptr - datestr)) != 2)
+			return (-1);
+
+		len = strlen (datestr);
+
+		if (cnvrt2 (ptr, &sec))
+			return (-1);
+
+		tmp->tm_sec = sec;
+	} else {
+		tmp->tm_sec = 0;
+	}
+
+	if (len == 12) {		/* MMDDhhmmCCYY	*/
+		int year, century;
+
+		if (cnvrt2 (datestr+ 8, &century) ||
+		    cnvrt2 (datestr+10, &year) ) {
+			return (-1);
+		}
+		tmp->tm_year = 100 * century + year;
+	} else if (len == 10) {		/* MMDDhhmmYY	*/
+		int year, century;
+
+		century = tmp->tm_year / 100;
+		if (cnvrt2 (datestr+ 8, &year))
+			return (-1);
+		tmp->tm_year = 100 * century + year;
+	}
+
+	switch (len) {
+	case 8:			/* MMDDhhmm	*/
+		/* fall thru */
+	case 10:		/* MMDDhhmmYY	*/
+		/* fall thru */
+	case 12:		/* MMDDhhmmCCYY	*/
+		if (cnvrt2 (datestr+0, &val) ||
+		    val > 12) {
+			break;
+		}
+		tmp->tm_mon  = val;
+		if (cnvrt2 (datestr+2, &val) ||
+		    val > ((tmp->tm_mon==2) ? 29 : 31)) {
+			break;
+		}
+		tmp->tm_mday = val;
+
+		if (cnvrt2 (datestr+4, &val) ||
+		    val > 23) {
+			break;
+		}
+		tmp->tm_hour = val;
+
+		if (cnvrt2 (datestr+6, &val) ||
+		    val > 59) {
+			break;
+		}
+		tmp->tm_min  = val;
+
+		/* calculate day of week */
+		GregorianDay (tmp);
+
+		return (0);
+	default:
+		break;
+	}
+
+	return (-1);
+}
+
+/***************************************************/
+
+U_BOOT_CMD(
+	date,	2,	1,	do_date,
+	"get/set/reset date & time",
+	"[MMDDhhmm[[CC]YY][.ss]]\ndate reset\n"
+	"  - without arguments: print date & time\n"
+	"  - with numeric argument: set the system date & time\n"
+	"  - with 'reset' argument: reset the RTC"
+);