52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
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#include <common.h>
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#include "diag.h"
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int rtc_test(void)
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{
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int hour1, minute1, second1;
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int hour2, minute2, second2;
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int ret_val = 0;
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printf("\tRTC test ");
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diag_get_rtc_time(&hour1, &minute1, &second1);
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/* FIXME: Observation says RTC requires additional udelay(1) to
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* read proper value
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*/
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udelay(1000000);
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/* Set a time that changes all the digits after a second */
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diag_set_rtc_time(9, 59, 59);
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/* Wait for 1 second */
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/* Observation says RTC takes additional one second when new time is set */
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udelay(2000000);
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diag_get_rtc_time(&hour2, &minute2, &second2);
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if(hour2 != 10 ||
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minute2 != 0 ||
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second2 > 1)
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{
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/* Second should be 0 or max 1 (if error in udealy), not > 1 */
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printf("FAILED\n");
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printf("\t\tGot: hour %02d minute %02d second %02d\n", hour2, minute2, second2);
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printf("\t\tExpected: hour 10 minute 00 second 00\n");
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ret_val = 1;
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}
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else
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{
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printf("\t\t\t\t\t PASSED\n");
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}
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/* As incrementing a second here will require complex calculation,
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* we will ignore that passed second */
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diag_set_rtc_time(hour1, minute1, second1);
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return ret_val;
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}
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