imported Freescale specific U-Boot additions for i.MX28,... release L2.6.31_10.08.01

[karo-tx-uboot.git] / common / cmd_date.c

diff --git a/common/cmd_date.c b/common/cmd_date.c
index 84932f75680893512e4cdf84d94b298ab0a8af25..b69e93508583be1e5ad0e426640ff6b64c324694 100755 (executable)
--- a/common/cmd_date.c
+++ b/common/cmd_date.c
@@ -27,11 +27,10 @@
 #include <common.h>
 #include <command.h>
 #include <rtc.h>
+#include <i2c.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if (CONFIG_COMMANDS & CFG_CMD_DATE)
-
 const char *weekdays[] = {
        "Sun", "Mon", "Tues", "Wednes", "Thurs", "Fri", "Satur",
 };
@@ -44,6 +43,11 @@ int do_date (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
        struct rtc_time tm;
        int rcode = 0;
+       int old_bus;
+
+       /* switch to correct I2C bus */
+       old_bus = I2C_GET_BUS();
+       I2C_SET_BUS(CONFIG_SYS_RTC_BUS_NUM);
 
        switch (argc) {
        case 2:                 /* set date & time */
@@ -52,18 +56,30 @@ int do_date (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
                        rtc_reset ();
                } else {
                        /* initialize tm with current time */
-                       rtc_get (&tm);
-                       /* insert new date & time */
-                       if (mk_date (argv[1], &tm) != 0) {
-                               puts ("## Bad date format\n");
-                               return 1;
+                       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 failled\n");
+                       } else {
+                               puts("## Get date failled\n");
                        }
-                       /* and write to RTC */
-                       rtc_set (&tm);
                }
                /* FALL TROUGH */
        case 1:                 /* get date & time */
-               rtc_get (&tm);
+               rcode = rtc_get (&tm);
+
+               if (rcode) {
+                       puts("## Get date failled\n");
+                       break;
+               }
 
                printf ("Date: %4d-%02d-%02d (%sday)    Time: %2d:%02d:%02d\n",
                        tm.tm_year, tm.tm_mon, tm.tm_mday,
@@ -71,11 +87,15 @@ int do_date (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
                                "unknown " : RELOC(weekdays[tm.tm_wday]),
                        tm.tm_hour, tm.tm_min, tm.tm_sec);
 
-               return 0;
+               break;
        default:
-               printf ("Usage:\n%s\n", cmdtp->usage);
+               cmd_usage(cmdtp);
                rcode = 1;
        }
+
+       /* switch back to original I2C bus */
+       I2C_SET_BUS(old_bus);
+
        return rcode;
 }
 
@@ -194,11 +214,9 @@ int mk_date (char *datestr, struct rtc_time *tmp)
 
 U_BOOT_CMD(
        date,   2,      1,      do_date,
-       "date    - get/set/reset date & time\n",
+       "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\n"
+       "  - with 'reset' argument: reset the RTC"
 );
-
-#endif /* CFG_CMD_DATE */