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28#undef RTC_DEBUG
29
30#include <common.h>
31#include <command.h>
32#include <config.h>
33#include <rtc.h>
34#include <mk48t59.h>
35
36#if defined(CONFIG_BAB7xx)
37
38static uchar rtc_read (short reg)
39{
40 out8(RTC_PORT_ADDR0, reg & 0xFF);
41 out8(RTC_PORT_ADDR1, (reg>>8) & 0xFF);
42 return in8(RTC_PORT_DATA);
43}
44
45static void rtc_write (short reg, uchar val)
46{
47 out8(RTC_PORT_ADDR0, reg & 0xFF);
48 out8(RTC_PORT_ADDR1, (reg>>8) & 0xFF);
49 out8(RTC_PORT_DATA, val);
50}
51
52#elif defined(CONFIG_PCIPPC2)
53
54#include "../board/pcippc2/pcippc2.h"
55
56static uchar rtc_read (short reg)
57{
58 return in8(RTC(reg));
59}
60
61static void rtc_write (short reg, uchar val)
62{
63 out8(RTC(reg),val);
64}
65
66#elif defined(CONFIG_AMIGAONEG3SE)
67
68#include "../board/MAI/AmigaOneG3SE/via686.h"
69#include "../board/MAI/AmigaOneG3SE/memio.h"
70
71
72static uchar rtc_read (short reg)
73{
74 out_byte(CMOS_ADDR, (uint8)reg);
75 return in_byte(CMOS_DATA);
76}
77
78static void rtc_write (short reg, uchar val)
79{
80 out_byte(CMOS_ADDR, (uint8)reg);
81 out_byte(CMOS_DATA, (uint8)val);
82}
83
84#elif defined(CONFIG_EVAL5200)
85
86static uchar rtc_read (short reg)
87{
88 return in8(RTC(reg));
89}
90
91static void rtc_write (short reg, uchar val)
92{
93 out8(RTC(reg),val);
94}
95
96#else
97# error Board specific rtc access functions should be supplied
98#endif
99
100
101
102void *nvram_read(void *dest, const short src, size_t count)
103{
104 uchar *d = (uchar *) dest;
105 short s = src;
106
107 while (count--)
108 *d++ = rtc_read(s++);
109
110 return dest;
111}
112
113void nvram_write(short dest, const void *src, size_t count)
114{
115 short d = dest;
116 uchar *s = (uchar *) src;
117
118 while (count--)
119 rtc_write(d++, *s++);
120}
121
122#if defined(CONFIG_CMD_DATE)
123
124
125
126int rtc_get (struct rtc_time *tmp)
127{
128 uchar save_ctrl_a;
129 uchar sec, min, hour, mday, wday, mon, year;
130
131
132 save_ctrl_a = rtc_read(RTC_CONTROLA);
133
134
135 save_ctrl_a |= RTC_CA_READ;
136 rtc_write(RTC_CONTROLA, save_ctrl_a);
137
138 sec = rtc_read (RTC_SECONDS);
139 min = rtc_read (RTC_MINUTES);
140 hour = rtc_read (RTC_HOURS);
141 mday = rtc_read (RTC_DAY_OF_MONTH);
142 wday = rtc_read (RTC_DAY_OF_WEEK);
143 mon = rtc_read (RTC_MONTH);
144 year = rtc_read (RTC_YEAR);
145
146
147 save_ctrl_a &= ~RTC_CA_READ;
148 rtc_write(RTC_CONTROLA, save_ctrl_a);
149
150#ifdef RTC_DEBUG
151 printf ( "Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x "
152 "hr: %02x min: %02x sec: %02x\n",
153 year, mon, mday, wday,
154 hour, min, sec );
155#endif
156 tmp->tm_sec = bcd2bin (sec & 0x7F);
157 tmp->tm_min = bcd2bin (min & 0x7F);
158 tmp->tm_hour = bcd2bin (hour & 0x3F);
159 tmp->tm_mday = bcd2bin (mday & 0x3F);
160 tmp->tm_mon = bcd2bin (mon & 0x1F);
161 tmp->tm_year = bcd2bin (year);
162 tmp->tm_wday = bcd2bin (wday & 0x07);
163 if(tmp->tm_year<70)
164 tmp->tm_year+=2000;
165 else
166 tmp->tm_year+=1900;
167 tmp->tm_yday = 0;
168 tmp->tm_isdst= 0;
169#ifdef RTC_DEBUG
170 printf ( "Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
171 tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
172 tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
173#endif
174
175 return 0;
176}
177
178int rtc_set (struct rtc_time *tmp)
179{
180 uchar save_ctrl_a;
181
182#ifdef RTC_DEBUG
183 printf ( "Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
184 tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
185 tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
186#endif
187 save_ctrl_a = rtc_read(RTC_CONTROLA);
188
189 save_ctrl_a |= RTC_CA_WRITE;
190 rtc_write(RTC_CONTROLA, save_ctrl_a);
191
192 rtc_write (RTC_YEAR, bin2bcd(tmp->tm_year % 100));
193 rtc_write (RTC_MONTH, bin2bcd(tmp->tm_mon));
194
195 rtc_write (RTC_DAY_OF_WEEK, bin2bcd(tmp->tm_wday));
196 rtc_write (RTC_DAY_OF_MONTH, bin2bcd(tmp->tm_mday));
197 rtc_write (RTC_HOURS, bin2bcd(tmp->tm_hour));
198 rtc_write (RTC_MINUTES, bin2bcd(tmp->tm_min ));
199 rtc_write (RTC_SECONDS, bin2bcd(tmp->tm_sec ));
200
201 save_ctrl_a &= ~RTC_CA_WRITE;
202 rtc_write(RTC_CONTROLA, save_ctrl_a);
203
204 return 0;
205}
206
207void rtc_reset (void)
208{
209 uchar control_b;
210
211
212
213
214 control_b = rtc_read(RTC_CONTROLB);
215
216 control_b &= ~RTC_CB_STOP;
217 rtc_write(RTC_CONTROLB, control_b);
218}
219
220void rtc_set_watchdog(short multi, short res)
221{
222 uchar wd_value;
223
224 wd_value = RTC_WDS | ((multi & 0x1F) << 2) | (res & 0x3);
225 rtc_write(RTC_WATCHDOG, wd_value);
226}
227
228#endif
229