8  * Date & Time support for the built-in Samsung S3C24X0 RTC
16 #include <rtc.h>
28 	struct s3c24x0_rtc *rtc = s3c24x0_get_base_rtc();  in SetRTC_Access()  local
32 		writeb(readb(&rtc->rtccon) | 0x01, &rtc->rtccon);  in SetRTC_Access()
36 		writeb(readb(&rtc->rtccon) & ~0x01, &rtc->rtccon);  in SetRTC_Access()
45 	struct s3c24x0_rtc *rtc = s3c24x0_get_base_rtc();  in rtc_get()  local
50 	/* enable access to RTC registers */  in rtc_get()
53 	/* read RTC registers */  in rtc_get()
55 		sec  = readb(&rtc->bcdsec);  in rtc_get()
56 		min  = readb(&rtc->bcdmin);  in rtc_get()
57 		hour = readb(&rtc->bcdhour);  in rtc_get()
58 		mday = readb(&rtc->bcddate);  in rtc_get()
59 		wday = readb(&rtc->bcdday);  in rtc_get()
60 		mon  = readb(&rtc->bcdmon);  in rtc_get()
61 		year = readb(&rtc->bcdyear);  in rtc_get()
62 	} while (sec != readb(&rtc->bcdsec));  in rtc_get()
65 	a_sec   = readb(&rtc->almsec);  in rtc_get()
66 	a_min   = readb(&rtc->almmin);  in rtc_get()
67 	a_hour  = readb(&rtc->almhour);  in rtc_get()
68 	a_date  = readb(&rtc->almdate);  in rtc_get()
69 	a_mon   = readb(&rtc->almmon);  in rtc_get()
70 	a_year  = readb(&rtc->almyear);  in rtc_get()
71 	a_armed = readb(&rtc->rtcalm);  in rtc_get()
73 	/* disable access to RTC registers */  in rtc_get()
77 	printf("Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x "  in rtc_get()
109 	struct s3c24x0_rtc *rtc = s3c24x0_get_base_rtc();  in rtc_set()  local
125 	/* enable access to RTC registers */  in rtc_set()
128 	/* write RTC registers */  in rtc_set()
129 	writeb(sec, &rtc->bcdsec);  in rtc_set()
130 	writeb(min, &rtc->bcdmin);  in rtc_set()
131 	writeb(hour, &rtc->bcdhour);  in rtc_set()
132 	writeb(mday, &rtc->bcddate);  in rtc_set()
133 	writeb(wday, &rtc->bcdday);  in rtc_set()
134 	writeb(mon, &rtc->bcdmon);  in rtc_set()
135 	writeb(year, &rtc->bcdyear);  in rtc_set()
137 	/* disable access to RTC registers */  in rtc_set()
145 	struct s3c24x0_rtc *rtc = s3c24x0_get_base_rtc();  in rtc_reset()  local
147 	writeb((readb(&rtc->rtccon) & ~0x06) | 0x08, &rtc->rtccon);  in rtc_reset()
148 	writeb(readb(&rtc->rtccon) & ~(0x08 | 0x01), &rtc->rtccon);  in rtc_reset()