1 // SPDX-License-Identifier: GPL-2.0+
8  * Date & Time support for the MC146818 (PIXX4) RTC
58 		reg -= 128;  in mc146818_read8()
75 		reg -= 128;  in mc146818_write8()
84 	uchar sec, min, hour, mday, wday __attribute__((unused)),mon, year;  in mc146818_get()  local
90 	sec	= mc146818_read8(RTC_SECONDS);  in mc146818_get()
98 	printf("Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x hr: %02x min: %02x sec: %02x\n",  in mc146818_get()
99 	       year, mon, mday, wday, hour, min, sec);  in mc146818_get()
100 	printf("Alarms: mday: %02x hour: %02x min: %02x sec: %02x\n",  in mc146818_get()
106 	tmp->tm_sec  = bcd2bin(sec & 0x7f);  in mc146818_get()
107 	tmp->tm_min  = bcd2bin(min & 0x7f);  in mc146818_get()
108 	tmp->tm_hour = bcd2bin(hour & 0x3f);  in mc146818_get()
109 	tmp->tm_mday = bcd2bin(mday & 0x3f);  in mc146818_get()
110 	tmp->tm_mon  = bcd2bin(mon & 0x1f);  in mc146818_get()
111 	tmp->tm_year = bcd2bin(year);  in mc146818_get()
113 	if (tmp->tm_year < 70)  in mc146818_get()
114 		tmp->tm_year += 2000;  in mc146818_get()
116 		tmp->tm_year += 1900;  in mc146818_get()
118 	tmp->tm_yday = 0;  in mc146818_get()
119 	tmp->tm_isdst = 0;  in mc146818_get()
121 	 * The mc146818 only updates wday if it is non-zero, sunday is 1  in mc146818_get()
126 	printf("Get DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",  in mc146818_get()
127 	       tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,  in mc146818_get()
128 	       tmp->tm_hour, tmp->tm_min, tmp->tm_sec);  in mc146818_get()
137 	printf("Set DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",  in mc146818_set()
138 	       tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,  in mc146818_set()
139 	       tmp->tm_hour, tmp->tm_min, tmp->tm_sec);  in mc146818_set()
144 	mc146818_write8(RTC_YEAR, bin2bcd(tmp->tm_year % 100));  in mc146818_set()
145 	mc146818_write8(RTC_MONTH, bin2bcd(tmp->tm_mon));  in mc146818_set()
147 	mc146818_write8(RTC_DAY_OF_WEEK, bin2bcd(tmp->tm_wday + 1));  in mc146818_set()
148 	mc146818_write8(RTC_DATE_OF_MONTH, bin2bcd(tmp->tm_mday));  in mc146818_set()
149 	mc146818_write8(RTC_HOURS, bin2bcd(tmp->tm_hour));  in mc146818_set()
150 	mc146818_write8(RTC_MINUTES, bin2bcd(tmp->tm_min));  in mc146818_set()
151 	mc146818_write8(RTC_SECONDS, bin2bcd(tmp->tm_sec));  in mc146818_set()
186 	/* Setup the real time clock */  in mc146818_init()
200 static int rtc_mc146818_get(struct udevice *dev, struct rtc_time *time)  in rtc_mc146818_get()  argument
202 	return mc146818_get(time);  in rtc_mc146818_get()
205 static int rtc_mc146818_set(struct udevice *dev, const struct rtc_time *time)  in rtc_mc146818_set()  argument
207 	return mc146818_set((struct rtc_time *)time);  in rtc_mc146818_set()
239 	.reset = rtc_mc146818_reset,