root / hw / m48t59.c @ da726e5e
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1 | a541f297 | bellard | /*
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2 | 819385c5 | bellard | * QEMU M48T59 and M48T08 NVRAM emulation for PPC PREP and Sparc platforms
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3 | 5fafdf24 | ths | *
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4 | 3ccacc4a | blueswir1 | * Copyright (c) 2003-2005, 2007 Jocelyn Mayer
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5 | 5fafdf24 | ths | *
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6 | a541f297 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | a541f297 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | a541f297 | bellard | * in the Software without restriction, including without limitation the rights
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9 | a541f297 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | a541f297 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | a541f297 | bellard | * furnished to do so, subject to the following conditions:
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12 | a541f297 | bellard | *
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13 | a541f297 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | a541f297 | bellard | * all copies or substantial portions of the Software.
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15 | a541f297 | bellard | *
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16 | a541f297 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | a541f297 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | a541f297 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | a541f297 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | a541f297 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | a541f297 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | a541f297 | bellard | * THE SOFTWARE.
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23 | a541f297 | bellard | */
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24 | 87ecb68b | pbrook | #include "hw.h" |
25 | 87ecb68b | pbrook | #include "nvram.h" |
26 | 87ecb68b | pbrook | #include "qemu-timer.h" |
27 | 87ecb68b | pbrook | #include "sysemu.h" |
28 | d27cf0ae | Blue Swirl | #include "sysbus.h" |
29 | f80237d4 | Blue Swirl | #include "isa.h" |
30 | a541f297 | bellard | |
31 | 13ab5daa | bellard | //#define DEBUG_NVRAM
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32 | a541f297 | bellard | |
33 | 13ab5daa | bellard | #if defined(DEBUG_NVRAM)
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34 | 001faf32 | Blue Swirl | #define NVRAM_PRINTF(fmt, ...) do { printf(fmt , ## __VA_ARGS__); } while (0) |
35 | a541f297 | bellard | #else
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36 | 001faf32 | Blue Swirl | #define NVRAM_PRINTF(fmt, ...) do { } while (0) |
37 | a541f297 | bellard | #endif
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38 | a541f297 | bellard | |
39 | 819385c5 | bellard | /*
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40 | 4aed2c33 | blueswir1 | * The M48T02, M48T08 and M48T59 chips are very similar. The newer '59 has
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41 | 819385c5 | bellard | * alarm and a watchdog timer and related control registers. In the
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42 | 819385c5 | bellard | * PPC platform there is also a nvram lock function.
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43 | 819385c5 | bellard | */
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44 | 930f3fe1 | Blue Swirl | |
45 | 930f3fe1 | Blue Swirl | /*
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46 | 930f3fe1 | Blue Swirl | * Chipset docs:
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47 | 930f3fe1 | Blue Swirl | * http://www.st.com/stonline/products/literature/ds/2410/m48t02.pdf
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48 | 930f3fe1 | Blue Swirl | * http://www.st.com/stonline/products/literature/ds/2411/m48t08.pdf
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49 | 930f3fe1 | Blue Swirl | * http://www.st.com/stonline/products/literature/od/7001/m48t59y.pdf
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50 | 930f3fe1 | Blue Swirl | */
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51 | 930f3fe1 | Blue Swirl | |
52 | 43a34704 | Blue Swirl | struct M48t59State {
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53 | a541f297 | bellard | /* Hardware parameters */
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54 | d537cf6c | pbrook | qemu_irq IRQ; |
55 | 5a31cd68 | Avi Kivity | MemoryRegion iomem; |
56 | a541f297 | bellard | uint32_t io_base; |
57 | ee6847d1 | Gerd Hoffmann | uint32_t size; |
58 | a541f297 | bellard | /* RTC management */
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59 | a541f297 | bellard | time_t time_offset; |
60 | a541f297 | bellard | time_t stop_time; |
61 | a541f297 | bellard | /* Alarm & watchdog */
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62 | f6503059 | balrog | struct tm alarm;
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63 | a541f297 | bellard | struct QEMUTimer *alrm_timer;
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64 | a541f297 | bellard | struct QEMUTimer *wd_timer;
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65 | a541f297 | bellard | /* NVRAM storage */
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66 | a541f297 | bellard | uint8_t *buffer; |
67 | 42c812b9 | Blue Swirl | /* Model parameters */
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68 | 42c812b9 | Blue Swirl | uint32_t type; /* 2 = m48t02, 8 = m48t08, 59 = m48t59 */
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69 | 42c812b9 | Blue Swirl | /* NVRAM storage */
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70 | 42c812b9 | Blue Swirl | uint16_t addr; |
71 | 42c812b9 | Blue Swirl | uint8_t lock; |
72 | c5df018e | bellard | }; |
73 | a541f297 | bellard | |
74 | f80237d4 | Blue Swirl | typedef struct M48t59ISAState { |
75 | f80237d4 | Blue Swirl | ISADevice busdev; |
76 | 43a34704 | Blue Swirl | M48t59State state; |
77 | 9936d6e4 | Richard Henderson | MemoryRegion io; |
78 | f80237d4 | Blue Swirl | } M48t59ISAState; |
79 | f80237d4 | Blue Swirl | |
80 | f80237d4 | Blue Swirl | typedef struct M48t59SysBusState { |
81 | f80237d4 | Blue Swirl | SysBusDevice busdev; |
82 | 43a34704 | Blue Swirl | M48t59State state; |
83 | f80237d4 | Blue Swirl | } M48t59SysBusState; |
84 | f80237d4 | Blue Swirl | |
85 | a541f297 | bellard | /* Fake timer functions */
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86 | a541f297 | bellard | |
87 | a541f297 | bellard | /* Alarm management */
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88 | a541f297 | bellard | static void alarm_cb (void *opaque) |
89 | a541f297 | bellard | { |
90 | f6503059 | balrog | struct tm tm;
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91 | a541f297 | bellard | uint64_t next_time; |
92 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
93 | a541f297 | bellard | |
94 | d537cf6c | pbrook | qemu_set_irq(NVRAM->IRQ, 1);
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95 | 5fafdf24 | ths | if ((NVRAM->buffer[0x1FF5] & 0x80) == 0 && |
96 | a541f297 | bellard | (NVRAM->buffer[0x1FF4] & 0x80) == 0 && |
97 | a541f297 | bellard | (NVRAM->buffer[0x1FF3] & 0x80) == 0 && |
98 | a541f297 | bellard | (NVRAM->buffer[0x1FF2] & 0x80) == 0) { |
99 | f6503059 | balrog | /* Repeat once a month */
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100 | f6503059 | balrog | qemu_get_timedate(&tm, NVRAM->time_offset); |
101 | f6503059 | balrog | tm.tm_mon++; |
102 | f6503059 | balrog | if (tm.tm_mon == 13) { |
103 | f6503059 | balrog | tm.tm_mon = 1;
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104 | f6503059 | balrog | tm.tm_year++; |
105 | f6503059 | balrog | } |
106 | f6503059 | balrog | next_time = qemu_timedate_diff(&tm) - NVRAM->time_offset; |
107 | a541f297 | bellard | } else if ((NVRAM->buffer[0x1FF5] & 0x80) != 0 && |
108 | a541f297 | bellard | (NVRAM->buffer[0x1FF4] & 0x80) == 0 && |
109 | a541f297 | bellard | (NVRAM->buffer[0x1FF3] & 0x80) == 0 && |
110 | a541f297 | bellard | (NVRAM->buffer[0x1FF2] & 0x80) == 0) { |
111 | f6503059 | balrog | /* Repeat once a day */
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112 | f6503059 | balrog | next_time = 24 * 60 * 60; |
113 | a541f297 | bellard | } else if ((NVRAM->buffer[0x1FF5] & 0x80) != 0 && |
114 | a541f297 | bellard | (NVRAM->buffer[0x1FF4] & 0x80) != 0 && |
115 | a541f297 | bellard | (NVRAM->buffer[0x1FF3] & 0x80) == 0 && |
116 | a541f297 | bellard | (NVRAM->buffer[0x1FF2] & 0x80) == 0) { |
117 | f6503059 | balrog | /* Repeat once an hour */
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118 | f6503059 | balrog | next_time = 60 * 60; |
119 | a541f297 | bellard | } else if ((NVRAM->buffer[0x1FF5] & 0x80) != 0 && |
120 | a541f297 | bellard | (NVRAM->buffer[0x1FF4] & 0x80) != 0 && |
121 | a541f297 | bellard | (NVRAM->buffer[0x1FF3] & 0x80) != 0 && |
122 | a541f297 | bellard | (NVRAM->buffer[0x1FF2] & 0x80) == 0) { |
123 | f6503059 | balrog | /* Repeat once a minute */
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124 | f6503059 | balrog | next_time = 60;
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125 | a541f297 | bellard | } else {
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126 | f6503059 | balrog | /* Repeat once a second */
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127 | f6503059 | balrog | next_time = 1;
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128 | a541f297 | bellard | } |
129 | 74475455 | Paolo Bonzini | qemu_mod_timer(NVRAM->alrm_timer, qemu_get_clock_ns(vm_clock) + |
130 | f6503059 | balrog | next_time * 1000);
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131 | d537cf6c | pbrook | qemu_set_irq(NVRAM->IRQ, 0);
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132 | a541f297 | bellard | } |
133 | a541f297 | bellard | |
134 | 43a34704 | Blue Swirl | static void set_alarm(M48t59State *NVRAM) |
135 | f6503059 | balrog | { |
136 | f6503059 | balrog | int diff;
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137 | f6503059 | balrog | if (NVRAM->alrm_timer != NULL) { |
138 | f6503059 | balrog | qemu_del_timer(NVRAM->alrm_timer); |
139 | f6503059 | balrog | diff = qemu_timedate_diff(&NVRAM->alarm) - NVRAM->time_offset; |
140 | f6503059 | balrog | if (diff > 0) |
141 | f6503059 | balrog | qemu_mod_timer(NVRAM->alrm_timer, diff * 1000);
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142 | f6503059 | balrog | } |
143 | f6503059 | balrog | } |
144 | a541f297 | bellard | |
145 | f6503059 | balrog | /* RTC management helpers */
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146 | 43a34704 | Blue Swirl | static inline void get_time(M48t59State *NVRAM, struct tm *tm) |
147 | a541f297 | bellard | { |
148 | f6503059 | balrog | qemu_get_timedate(tm, NVRAM->time_offset); |
149 | a541f297 | bellard | } |
150 | a541f297 | bellard | |
151 | 43a34704 | Blue Swirl | static void set_time(M48t59State *NVRAM, struct tm *tm) |
152 | a541f297 | bellard | { |
153 | f6503059 | balrog | NVRAM->time_offset = qemu_timedate_diff(tm); |
154 | f6503059 | balrog | set_alarm(NVRAM); |
155 | a541f297 | bellard | } |
156 | a541f297 | bellard | |
157 | a541f297 | bellard | /* Watchdog management */
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158 | a541f297 | bellard | static void watchdog_cb (void *opaque) |
159 | a541f297 | bellard | { |
160 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
161 | a541f297 | bellard | |
162 | a541f297 | bellard | NVRAM->buffer[0x1FF0] |= 0x80; |
163 | a541f297 | bellard | if (NVRAM->buffer[0x1FF7] & 0x80) { |
164 | a541f297 | bellard | NVRAM->buffer[0x1FF7] = 0x00; |
165 | a541f297 | bellard | NVRAM->buffer[0x1FFC] &= ~0x40; |
166 | 13ab5daa | bellard | /* May it be a hw CPU Reset instead ? */
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167 | d7d02e3c | bellard | qemu_system_reset_request(); |
168 | a541f297 | bellard | } else {
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169 | d537cf6c | pbrook | qemu_set_irq(NVRAM->IRQ, 1);
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170 | d537cf6c | pbrook | qemu_set_irq(NVRAM->IRQ, 0);
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171 | a541f297 | bellard | } |
172 | a541f297 | bellard | } |
173 | a541f297 | bellard | |
174 | 43a34704 | Blue Swirl | static void set_up_watchdog(M48t59State *NVRAM, uint8_t value) |
175 | a541f297 | bellard | { |
176 | a541f297 | bellard | uint64_t interval; /* in 1/16 seconds */
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177 | a541f297 | bellard | |
178 | 868d585a | j_mayer | NVRAM->buffer[0x1FF0] &= ~0x80; |
179 | a541f297 | bellard | if (NVRAM->wd_timer != NULL) { |
180 | a541f297 | bellard | qemu_del_timer(NVRAM->wd_timer); |
181 | 868d585a | j_mayer | if (value != 0) { |
182 | 868d585a | j_mayer | interval = (1 << (2 * (value & 0x03))) * ((value >> 2) & 0x1F); |
183 | 868d585a | j_mayer | qemu_mod_timer(NVRAM->wd_timer, ((uint64_t)time(NULL) * 1000) + |
184 | 868d585a | j_mayer | ((interval * 1000) >> 4)); |
185 | 868d585a | j_mayer | } |
186 | a541f297 | bellard | } |
187 | a541f297 | bellard | } |
188 | a541f297 | bellard | |
189 | a541f297 | bellard | /* Direct access to NVRAM */
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190 | 897b4c6c | j_mayer | void m48t59_write (void *opaque, uint32_t addr, uint32_t val) |
191 | a541f297 | bellard | { |
192 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
193 | a541f297 | bellard | struct tm tm;
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194 | a541f297 | bellard | int tmp;
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195 | a541f297 | bellard | |
196 | 819385c5 | bellard | if (addr > 0x1FF8 && addr < 0x2000) |
197 | 819385c5 | bellard | NVRAM_PRINTF("%s: 0x%08x => 0x%08x\n", __func__, addr, val);
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198 | 4aed2c33 | blueswir1 | |
199 | 4aed2c33 | blueswir1 | /* check for NVRAM access */
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200 | 4aed2c33 | blueswir1 | if ((NVRAM->type == 2 && addr < 0x7f8) || |
201 | 4aed2c33 | blueswir1 | (NVRAM->type == 8 && addr < 0x1ff8) || |
202 | 4aed2c33 | blueswir1 | (NVRAM->type == 59 && addr < 0x1ff0)) |
203 | 819385c5 | bellard | goto do_write;
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204 | 4aed2c33 | blueswir1 | |
205 | 4aed2c33 | blueswir1 | /* TOD access */
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206 | 819385c5 | bellard | switch (addr) {
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207 | a541f297 | bellard | case 0x1FF0: |
208 | a541f297 | bellard | /* flags register : read-only */
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209 | a541f297 | bellard | break;
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210 | a541f297 | bellard | case 0x1FF1: |
211 | a541f297 | bellard | /* unused */
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212 | a541f297 | bellard | break;
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213 | a541f297 | bellard | case 0x1FF2: |
214 | a541f297 | bellard | /* alarm seconds */
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215 | abd0c6bd | Paul Brook | tmp = from_bcd(val & 0x7F);
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216 | 819385c5 | bellard | if (tmp >= 0 && tmp <= 59) { |
217 | f6503059 | balrog | NVRAM->alarm.tm_sec = tmp; |
218 | 819385c5 | bellard | NVRAM->buffer[0x1FF2] = val;
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219 | f6503059 | balrog | set_alarm(NVRAM); |
220 | 819385c5 | bellard | } |
221 | a541f297 | bellard | break;
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222 | a541f297 | bellard | case 0x1FF3: |
223 | a541f297 | bellard | /* alarm minutes */
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224 | abd0c6bd | Paul Brook | tmp = from_bcd(val & 0x7F);
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225 | 819385c5 | bellard | if (tmp >= 0 && tmp <= 59) { |
226 | f6503059 | balrog | NVRAM->alarm.tm_min = tmp; |
227 | 819385c5 | bellard | NVRAM->buffer[0x1FF3] = val;
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228 | f6503059 | balrog | set_alarm(NVRAM); |
229 | 819385c5 | bellard | } |
230 | a541f297 | bellard | break;
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231 | a541f297 | bellard | case 0x1FF4: |
232 | a541f297 | bellard | /* alarm hours */
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233 | abd0c6bd | Paul Brook | tmp = from_bcd(val & 0x3F);
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234 | 819385c5 | bellard | if (tmp >= 0 && tmp <= 23) { |
235 | f6503059 | balrog | NVRAM->alarm.tm_hour = tmp; |
236 | 819385c5 | bellard | NVRAM->buffer[0x1FF4] = val;
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237 | f6503059 | balrog | set_alarm(NVRAM); |
238 | 819385c5 | bellard | } |
239 | a541f297 | bellard | break;
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240 | a541f297 | bellard | case 0x1FF5: |
241 | a541f297 | bellard | /* alarm date */
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242 | abd0c6bd | Paul Brook | tmp = from_bcd(val & 0x1F);
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243 | 819385c5 | bellard | if (tmp != 0) { |
244 | f6503059 | balrog | NVRAM->alarm.tm_mday = tmp; |
245 | 819385c5 | bellard | NVRAM->buffer[0x1FF5] = val;
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246 | f6503059 | balrog | set_alarm(NVRAM); |
247 | 819385c5 | bellard | } |
248 | a541f297 | bellard | break;
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249 | a541f297 | bellard | case 0x1FF6: |
250 | a541f297 | bellard | /* interrupts */
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251 | 819385c5 | bellard | NVRAM->buffer[0x1FF6] = val;
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252 | a541f297 | bellard | break;
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253 | a541f297 | bellard | case 0x1FF7: |
254 | a541f297 | bellard | /* watchdog */
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255 | 819385c5 | bellard | NVRAM->buffer[0x1FF7] = val;
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256 | 819385c5 | bellard | set_up_watchdog(NVRAM, val); |
257 | a541f297 | bellard | break;
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258 | a541f297 | bellard | case 0x1FF8: |
259 | 4aed2c33 | blueswir1 | case 0x07F8: |
260 | a541f297 | bellard | /* control */
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261 | 4aed2c33 | blueswir1 | NVRAM->buffer[addr] = (val & ~0xA0) | 0x90; |
262 | a541f297 | bellard | break;
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263 | a541f297 | bellard | case 0x1FF9: |
264 | 4aed2c33 | blueswir1 | case 0x07F9: |
265 | a541f297 | bellard | /* seconds (BCD) */
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266 | abd0c6bd | Paul Brook | tmp = from_bcd(val & 0x7F);
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267 | a541f297 | bellard | if (tmp >= 0 && tmp <= 59) { |
268 | a541f297 | bellard | get_time(NVRAM, &tm); |
269 | a541f297 | bellard | tm.tm_sec = tmp; |
270 | a541f297 | bellard | set_time(NVRAM, &tm); |
271 | a541f297 | bellard | } |
272 | f6503059 | balrog | if ((val & 0x80) ^ (NVRAM->buffer[addr] & 0x80)) { |
273 | a541f297 | bellard | if (val & 0x80) { |
274 | a541f297 | bellard | NVRAM->stop_time = time(NULL);
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275 | a541f297 | bellard | } else {
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276 | a541f297 | bellard | NVRAM->time_offset += NVRAM->stop_time - time(NULL);
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277 | a541f297 | bellard | NVRAM->stop_time = 0;
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278 | a541f297 | bellard | } |
279 | a541f297 | bellard | } |
280 | f6503059 | balrog | NVRAM->buffer[addr] = val & 0x80;
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281 | a541f297 | bellard | break;
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282 | a541f297 | bellard | case 0x1FFA: |
283 | 4aed2c33 | blueswir1 | case 0x07FA: |
284 | a541f297 | bellard | /* minutes (BCD) */
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285 | abd0c6bd | Paul Brook | tmp = from_bcd(val & 0x7F);
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286 | a541f297 | bellard | if (tmp >= 0 && tmp <= 59) { |
287 | a541f297 | bellard | get_time(NVRAM, &tm); |
288 | a541f297 | bellard | tm.tm_min = tmp; |
289 | a541f297 | bellard | set_time(NVRAM, &tm); |
290 | a541f297 | bellard | } |
291 | a541f297 | bellard | break;
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292 | a541f297 | bellard | case 0x1FFB: |
293 | 4aed2c33 | blueswir1 | case 0x07FB: |
294 | a541f297 | bellard | /* hours (BCD) */
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295 | abd0c6bd | Paul Brook | tmp = from_bcd(val & 0x3F);
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296 | a541f297 | bellard | if (tmp >= 0 && tmp <= 23) { |
297 | a541f297 | bellard | get_time(NVRAM, &tm); |
298 | a541f297 | bellard | tm.tm_hour = tmp; |
299 | a541f297 | bellard | set_time(NVRAM, &tm); |
300 | a541f297 | bellard | } |
301 | a541f297 | bellard | break;
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302 | a541f297 | bellard | case 0x1FFC: |
303 | 4aed2c33 | blueswir1 | case 0x07FC: |
304 | a541f297 | bellard | /* day of the week / century */
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305 | abd0c6bd | Paul Brook | tmp = from_bcd(val & 0x07);
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306 | a541f297 | bellard | get_time(NVRAM, &tm); |
307 | a541f297 | bellard | tm.tm_wday = tmp; |
308 | a541f297 | bellard | set_time(NVRAM, &tm); |
309 | 4aed2c33 | blueswir1 | NVRAM->buffer[addr] = val & 0x40;
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310 | a541f297 | bellard | break;
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311 | a541f297 | bellard | case 0x1FFD: |
312 | 4aed2c33 | blueswir1 | case 0x07FD: |
313 | a541f297 | bellard | /* date */
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314 | abd0c6bd | Paul Brook | tmp = from_bcd(val & 0x1F);
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315 | a541f297 | bellard | if (tmp != 0) { |
316 | a541f297 | bellard | get_time(NVRAM, &tm); |
317 | a541f297 | bellard | tm.tm_mday = tmp; |
318 | a541f297 | bellard | set_time(NVRAM, &tm); |
319 | a541f297 | bellard | } |
320 | a541f297 | bellard | break;
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321 | a541f297 | bellard | case 0x1FFE: |
322 | 4aed2c33 | blueswir1 | case 0x07FE: |
323 | a541f297 | bellard | /* month */
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324 | abd0c6bd | Paul Brook | tmp = from_bcd(val & 0x1F);
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325 | a541f297 | bellard | if (tmp >= 1 && tmp <= 12) { |
326 | a541f297 | bellard | get_time(NVRAM, &tm); |
327 | a541f297 | bellard | tm.tm_mon = tmp - 1;
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328 | a541f297 | bellard | set_time(NVRAM, &tm); |
329 | a541f297 | bellard | } |
330 | a541f297 | bellard | break;
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331 | a541f297 | bellard | case 0x1FFF: |
332 | 4aed2c33 | blueswir1 | case 0x07FF: |
333 | a541f297 | bellard | /* year */
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334 | abd0c6bd | Paul Brook | tmp = from_bcd(val); |
335 | a541f297 | bellard | if (tmp >= 0 && tmp <= 99) { |
336 | a541f297 | bellard | get_time(NVRAM, &tm); |
337 | 180b700d | bellard | if (NVRAM->type == 8) |
338 | abd0c6bd | Paul Brook | tm.tm_year = from_bcd(val) + 68; // Base year is 1968 |
339 | 180b700d | bellard | else
|
340 | abd0c6bd | Paul Brook | tm.tm_year = from_bcd(val); |
341 | a541f297 | bellard | set_time(NVRAM, &tm); |
342 | a541f297 | bellard | } |
343 | a541f297 | bellard | break;
|
344 | a541f297 | bellard | default:
|
345 | 13ab5daa | bellard | /* Check lock registers state */
|
346 | 819385c5 | bellard | if (addr >= 0x20 && addr <= 0x2F && (NVRAM->lock & 1)) |
347 | 13ab5daa | bellard | break;
|
348 | 819385c5 | bellard | if (addr >= 0x30 && addr <= 0x3F && (NVRAM->lock & 2)) |
349 | 13ab5daa | bellard | break;
|
350 | 819385c5 | bellard | do_write:
|
351 | 819385c5 | bellard | if (addr < NVRAM->size) {
|
352 | 819385c5 | bellard | NVRAM->buffer[addr] = val & 0xFF;
|
353 | a541f297 | bellard | } |
354 | a541f297 | bellard | break;
|
355 | a541f297 | bellard | } |
356 | a541f297 | bellard | } |
357 | a541f297 | bellard | |
358 | 897b4c6c | j_mayer | uint32_t m48t59_read (void *opaque, uint32_t addr)
|
359 | a541f297 | bellard | { |
360 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
361 | a541f297 | bellard | struct tm tm;
|
362 | a541f297 | bellard | uint32_t retval = 0xFF;
|
363 | a541f297 | bellard | |
364 | 4aed2c33 | blueswir1 | /* check for NVRAM access */
|
365 | 4aed2c33 | blueswir1 | if ((NVRAM->type == 2 && addr < 0x078f) || |
366 | 4aed2c33 | blueswir1 | (NVRAM->type == 8 && addr < 0x1ff8) || |
367 | 4aed2c33 | blueswir1 | (NVRAM->type == 59 && addr < 0x1ff0)) |
368 | 819385c5 | bellard | goto do_read;
|
369 | 4aed2c33 | blueswir1 | |
370 | 4aed2c33 | blueswir1 | /* TOD access */
|
371 | 819385c5 | bellard | switch (addr) {
|
372 | a541f297 | bellard | case 0x1FF0: |
373 | a541f297 | bellard | /* flags register */
|
374 | a541f297 | bellard | goto do_read;
|
375 | a541f297 | bellard | case 0x1FF1: |
376 | a541f297 | bellard | /* unused */
|
377 | a541f297 | bellard | retval = 0;
|
378 | a541f297 | bellard | break;
|
379 | a541f297 | bellard | case 0x1FF2: |
380 | a541f297 | bellard | /* alarm seconds */
|
381 | a541f297 | bellard | goto do_read;
|
382 | a541f297 | bellard | case 0x1FF3: |
383 | a541f297 | bellard | /* alarm minutes */
|
384 | a541f297 | bellard | goto do_read;
|
385 | a541f297 | bellard | case 0x1FF4: |
386 | a541f297 | bellard | /* alarm hours */
|
387 | a541f297 | bellard | goto do_read;
|
388 | a541f297 | bellard | case 0x1FF5: |
389 | a541f297 | bellard | /* alarm date */
|
390 | a541f297 | bellard | goto do_read;
|
391 | a541f297 | bellard | case 0x1FF6: |
392 | a541f297 | bellard | /* interrupts */
|
393 | a541f297 | bellard | goto do_read;
|
394 | a541f297 | bellard | case 0x1FF7: |
395 | a541f297 | bellard | /* A read resets the watchdog */
|
396 | a541f297 | bellard | set_up_watchdog(NVRAM, NVRAM->buffer[0x1FF7]);
|
397 | a541f297 | bellard | goto do_read;
|
398 | a541f297 | bellard | case 0x1FF8: |
399 | 4aed2c33 | blueswir1 | case 0x07F8: |
400 | a541f297 | bellard | /* control */
|
401 | a541f297 | bellard | goto do_read;
|
402 | a541f297 | bellard | case 0x1FF9: |
403 | 4aed2c33 | blueswir1 | case 0x07F9: |
404 | a541f297 | bellard | /* seconds (BCD) */
|
405 | a541f297 | bellard | get_time(NVRAM, &tm); |
406 | abd0c6bd | Paul Brook | retval = (NVRAM->buffer[addr] & 0x80) | to_bcd(tm.tm_sec);
|
407 | a541f297 | bellard | break;
|
408 | a541f297 | bellard | case 0x1FFA: |
409 | 4aed2c33 | blueswir1 | case 0x07FA: |
410 | a541f297 | bellard | /* minutes (BCD) */
|
411 | a541f297 | bellard | get_time(NVRAM, &tm); |
412 | abd0c6bd | Paul Brook | retval = to_bcd(tm.tm_min); |
413 | a541f297 | bellard | break;
|
414 | a541f297 | bellard | case 0x1FFB: |
415 | 4aed2c33 | blueswir1 | case 0x07FB: |
416 | a541f297 | bellard | /* hours (BCD) */
|
417 | a541f297 | bellard | get_time(NVRAM, &tm); |
418 | abd0c6bd | Paul Brook | retval = to_bcd(tm.tm_hour); |
419 | a541f297 | bellard | break;
|
420 | a541f297 | bellard | case 0x1FFC: |
421 | 4aed2c33 | blueswir1 | case 0x07FC: |
422 | a541f297 | bellard | /* day of the week / century */
|
423 | a541f297 | bellard | get_time(NVRAM, &tm); |
424 | 4aed2c33 | blueswir1 | retval = NVRAM->buffer[addr] | tm.tm_wday; |
425 | a541f297 | bellard | break;
|
426 | a541f297 | bellard | case 0x1FFD: |
427 | 4aed2c33 | blueswir1 | case 0x07FD: |
428 | a541f297 | bellard | /* date */
|
429 | a541f297 | bellard | get_time(NVRAM, &tm); |
430 | abd0c6bd | Paul Brook | retval = to_bcd(tm.tm_mday); |
431 | a541f297 | bellard | break;
|
432 | a541f297 | bellard | case 0x1FFE: |
433 | 4aed2c33 | blueswir1 | case 0x07FE: |
434 | a541f297 | bellard | /* month */
|
435 | a541f297 | bellard | get_time(NVRAM, &tm); |
436 | abd0c6bd | Paul Brook | retval = to_bcd(tm.tm_mon + 1);
|
437 | a541f297 | bellard | break;
|
438 | a541f297 | bellard | case 0x1FFF: |
439 | 4aed2c33 | blueswir1 | case 0x07FF: |
440 | a541f297 | bellard | /* year */
|
441 | a541f297 | bellard | get_time(NVRAM, &tm); |
442 | 5fafdf24 | ths | if (NVRAM->type == 8) |
443 | abd0c6bd | Paul Brook | retval = to_bcd(tm.tm_year - 68); // Base year is 1968 |
444 | 180b700d | bellard | else
|
445 | abd0c6bd | Paul Brook | retval = to_bcd(tm.tm_year); |
446 | a541f297 | bellard | break;
|
447 | a541f297 | bellard | default:
|
448 | 13ab5daa | bellard | /* Check lock registers state */
|
449 | 819385c5 | bellard | if (addr >= 0x20 && addr <= 0x2F && (NVRAM->lock & 1)) |
450 | 13ab5daa | bellard | break;
|
451 | 819385c5 | bellard | if (addr >= 0x30 && addr <= 0x3F && (NVRAM->lock & 2)) |
452 | 13ab5daa | bellard | break;
|
453 | 819385c5 | bellard | do_read:
|
454 | 819385c5 | bellard | if (addr < NVRAM->size) {
|
455 | 819385c5 | bellard | retval = NVRAM->buffer[addr]; |
456 | a541f297 | bellard | } |
457 | a541f297 | bellard | break;
|
458 | a541f297 | bellard | } |
459 | 819385c5 | bellard | if (addr > 0x1FF9 && addr < 0x2000) |
460 | 9ed1e667 | blueswir1 | NVRAM_PRINTF("%s: 0x%08x <= 0x%08x\n", __func__, addr, retval);
|
461 | a541f297 | bellard | |
462 | a541f297 | bellard | return retval;
|
463 | a541f297 | bellard | } |
464 | a541f297 | bellard | |
465 | 897b4c6c | j_mayer | void m48t59_set_addr (void *opaque, uint32_t addr) |
466 | a541f297 | bellard | { |
467 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
468 | 897b4c6c | j_mayer | |
469 | a541f297 | bellard | NVRAM->addr = addr; |
470 | a541f297 | bellard | } |
471 | a541f297 | bellard | |
472 | 897b4c6c | j_mayer | void m48t59_toggle_lock (void *opaque, int lock) |
473 | 13ab5daa | bellard | { |
474 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
475 | 897b4c6c | j_mayer | |
476 | 13ab5daa | bellard | NVRAM->lock ^= 1 << lock;
|
477 | 13ab5daa | bellard | } |
478 | 13ab5daa | bellard | |
479 | a541f297 | bellard | /* IO access to NVRAM */
|
480 | a541f297 | bellard | static void NVRAM_writeb (void *opaque, uint32_t addr, uint32_t val) |
481 | a541f297 | bellard | { |
482 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
483 | a541f297 | bellard | |
484 | 9ed1e667 | blueswir1 | NVRAM_PRINTF("%s: 0x%08x => 0x%08x\n", __func__, addr, val);
|
485 | a541f297 | bellard | switch (addr) {
|
486 | a541f297 | bellard | case 0: |
487 | a541f297 | bellard | NVRAM->addr &= ~0x00FF;
|
488 | a541f297 | bellard | NVRAM->addr |= val; |
489 | a541f297 | bellard | break;
|
490 | a541f297 | bellard | case 1: |
491 | a541f297 | bellard | NVRAM->addr &= ~0xFF00;
|
492 | a541f297 | bellard | NVRAM->addr |= val << 8;
|
493 | a541f297 | bellard | break;
|
494 | a541f297 | bellard | case 3: |
495 | b1f88301 | Blue Swirl | m48t59_write(NVRAM, NVRAM->addr, val); |
496 | a541f297 | bellard | NVRAM->addr = 0x0000;
|
497 | a541f297 | bellard | break;
|
498 | a541f297 | bellard | default:
|
499 | a541f297 | bellard | break;
|
500 | a541f297 | bellard | } |
501 | a541f297 | bellard | } |
502 | a541f297 | bellard | |
503 | a541f297 | bellard | static uint32_t NVRAM_readb (void *opaque, uint32_t addr) |
504 | a541f297 | bellard | { |
505 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
506 | 13ab5daa | bellard | uint32_t retval; |
507 | a541f297 | bellard | |
508 | 13ab5daa | bellard | switch (addr) {
|
509 | 13ab5daa | bellard | case 3: |
510 | 819385c5 | bellard | retval = m48t59_read(NVRAM, NVRAM->addr); |
511 | 13ab5daa | bellard | break;
|
512 | 13ab5daa | bellard | default:
|
513 | 13ab5daa | bellard | retval = -1;
|
514 | 13ab5daa | bellard | break;
|
515 | 13ab5daa | bellard | } |
516 | 9ed1e667 | blueswir1 | NVRAM_PRINTF("%s: 0x%08x <= 0x%08x\n", __func__, addr, retval);
|
517 | a541f297 | bellard | |
518 | 13ab5daa | bellard | return retval;
|
519 | a541f297 | bellard | } |
520 | a541f297 | bellard | |
521 | c227f099 | Anthony Liguori | static void nvram_writeb (void *opaque, target_phys_addr_t addr, uint32_t value) |
522 | e1bb04f7 | bellard | { |
523 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
524 | 3b46e624 | ths | |
525 | 819385c5 | bellard | m48t59_write(NVRAM, addr, value & 0xff);
|
526 | e1bb04f7 | bellard | } |
527 | e1bb04f7 | bellard | |
528 | c227f099 | Anthony Liguori | static void nvram_writew (void *opaque, target_phys_addr_t addr, uint32_t value) |
529 | e1bb04f7 | bellard | { |
530 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
531 | 3b46e624 | ths | |
532 | 819385c5 | bellard | m48t59_write(NVRAM, addr, (value >> 8) & 0xff); |
533 | 819385c5 | bellard | m48t59_write(NVRAM, addr + 1, value & 0xff); |
534 | e1bb04f7 | bellard | } |
535 | e1bb04f7 | bellard | |
536 | c227f099 | Anthony Liguori | static void nvram_writel (void *opaque, target_phys_addr_t addr, uint32_t value) |
537 | e1bb04f7 | bellard | { |
538 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
539 | 3b46e624 | ths | |
540 | 819385c5 | bellard | m48t59_write(NVRAM, addr, (value >> 24) & 0xff); |
541 | 819385c5 | bellard | m48t59_write(NVRAM, addr + 1, (value >> 16) & 0xff); |
542 | 819385c5 | bellard | m48t59_write(NVRAM, addr + 2, (value >> 8) & 0xff); |
543 | 819385c5 | bellard | m48t59_write(NVRAM, addr + 3, value & 0xff); |
544 | e1bb04f7 | bellard | } |
545 | e1bb04f7 | bellard | |
546 | c227f099 | Anthony Liguori | static uint32_t nvram_readb (void *opaque, target_phys_addr_t addr) |
547 | e1bb04f7 | bellard | { |
548 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
549 | 819385c5 | bellard | uint32_t retval; |
550 | 3b46e624 | ths | |
551 | 819385c5 | bellard | retval = m48t59_read(NVRAM, addr); |
552 | e1bb04f7 | bellard | return retval;
|
553 | e1bb04f7 | bellard | } |
554 | e1bb04f7 | bellard | |
555 | c227f099 | Anthony Liguori | static uint32_t nvram_readw (void *opaque, target_phys_addr_t addr) |
556 | e1bb04f7 | bellard | { |
557 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
558 | 819385c5 | bellard | uint32_t retval; |
559 | 3b46e624 | ths | |
560 | 819385c5 | bellard | retval = m48t59_read(NVRAM, addr) << 8;
|
561 | 819385c5 | bellard | retval |= m48t59_read(NVRAM, addr + 1);
|
562 | e1bb04f7 | bellard | return retval;
|
563 | e1bb04f7 | bellard | } |
564 | e1bb04f7 | bellard | |
565 | c227f099 | Anthony Liguori | static uint32_t nvram_readl (void *opaque, target_phys_addr_t addr) |
566 | e1bb04f7 | bellard | { |
567 | 43a34704 | Blue Swirl | M48t59State *NVRAM = opaque; |
568 | 819385c5 | bellard | uint32_t retval; |
569 | e1bb04f7 | bellard | |
570 | 819385c5 | bellard | retval = m48t59_read(NVRAM, addr) << 24;
|
571 | 819385c5 | bellard | retval |= m48t59_read(NVRAM, addr + 1) << 16; |
572 | 819385c5 | bellard | retval |= m48t59_read(NVRAM, addr + 2) << 8; |
573 | 819385c5 | bellard | retval |= m48t59_read(NVRAM, addr + 3);
|
574 | e1bb04f7 | bellard | return retval;
|
575 | e1bb04f7 | bellard | } |
576 | e1bb04f7 | bellard | |
577 | 5a31cd68 | Avi Kivity | static const MemoryRegionOps nvram_ops = { |
578 | 5a31cd68 | Avi Kivity | .old_mmio = { |
579 | 5a31cd68 | Avi Kivity | .read = { nvram_readb, nvram_readw, nvram_readl, }, |
580 | 5a31cd68 | Avi Kivity | .write = { nvram_writeb, nvram_writew, nvram_writel, }, |
581 | 5a31cd68 | Avi Kivity | }, |
582 | 5a31cd68 | Avi Kivity | .endianness = DEVICE_NATIVE_ENDIAN, |
583 | e1bb04f7 | bellard | }; |
584 | 819385c5 | bellard | |
585 | fd484ae4 | Juan Quintela | static const VMStateDescription vmstate_m48t59 = { |
586 | fd484ae4 | Juan Quintela | .name = "m48t59",
|
587 | fd484ae4 | Juan Quintela | .version_id = 1,
|
588 | fd484ae4 | Juan Quintela | .minimum_version_id = 1,
|
589 | fd484ae4 | Juan Quintela | .minimum_version_id_old = 1,
|
590 | fd484ae4 | Juan Quintela | .fields = (VMStateField[]) { |
591 | fd484ae4 | Juan Quintela | VMSTATE_UINT8(lock, M48t59State), |
592 | fd484ae4 | Juan Quintela | VMSTATE_UINT16(addr, M48t59State), |
593 | fd484ae4 | Juan Quintela | VMSTATE_VBUFFER_UINT32(buffer, M48t59State, 0, NULL, 0, size), |
594 | fd484ae4 | Juan Quintela | VMSTATE_END_OF_LIST() |
595 | fd484ae4 | Juan Quintela | } |
596 | fd484ae4 | Juan Quintela | }; |
597 | 3ccacc4a | blueswir1 | |
598 | 43a34704 | Blue Swirl | static void m48t59_reset_common(M48t59State *NVRAM) |
599 | 3ccacc4a | blueswir1 | { |
600 | 6e6b7363 | blueswir1 | NVRAM->addr = 0;
|
601 | 6e6b7363 | blueswir1 | NVRAM->lock = 0;
|
602 | 3ccacc4a | blueswir1 | if (NVRAM->alrm_timer != NULL) |
603 | 3ccacc4a | blueswir1 | qemu_del_timer(NVRAM->alrm_timer); |
604 | 3ccacc4a | blueswir1 | |
605 | 3ccacc4a | blueswir1 | if (NVRAM->wd_timer != NULL) |
606 | 3ccacc4a | blueswir1 | qemu_del_timer(NVRAM->wd_timer); |
607 | 3ccacc4a | blueswir1 | } |
608 | 3ccacc4a | blueswir1 | |
609 | 285e468d | Blue Swirl | static void m48t59_reset_isa(DeviceState *d) |
610 | 285e468d | Blue Swirl | { |
611 | 285e468d | Blue Swirl | M48t59ISAState *isa = container_of(d, M48t59ISAState, busdev.qdev); |
612 | 43a34704 | Blue Swirl | M48t59State *NVRAM = &isa->state; |
613 | 285e468d | Blue Swirl | |
614 | 285e468d | Blue Swirl | m48t59_reset_common(NVRAM); |
615 | 285e468d | Blue Swirl | } |
616 | 285e468d | Blue Swirl | |
617 | 285e468d | Blue Swirl | static void m48t59_reset_sysbus(DeviceState *d) |
618 | 285e468d | Blue Swirl | { |
619 | 285e468d | Blue Swirl | M48t59SysBusState *sys = container_of(d, M48t59SysBusState, busdev.qdev); |
620 | 43a34704 | Blue Swirl | M48t59State *NVRAM = &sys->state; |
621 | 285e468d | Blue Swirl | |
622 | 285e468d | Blue Swirl | m48t59_reset_common(NVRAM); |
623 | 285e468d | Blue Swirl | } |
624 | 285e468d | Blue Swirl | |
625 | 9936d6e4 | Richard Henderson | static const MemoryRegionPortio m48t59_portio[] = { |
626 | 9936d6e4 | Richard Henderson | {0, 4, 1, .read = NVRAM_readb, .write = NVRAM_writeb }, |
627 | 9936d6e4 | Richard Henderson | PORTIO_END_OF_LIST(), |
628 | 9936d6e4 | Richard Henderson | }; |
629 | 9936d6e4 | Richard Henderson | |
630 | 9936d6e4 | Richard Henderson | static const MemoryRegionOps m48t59_io_ops = { |
631 | 9936d6e4 | Richard Henderson | .old_portio = m48t59_portio, |
632 | 9936d6e4 | Richard Henderson | }; |
633 | 9936d6e4 | Richard Henderson | |
634 | a541f297 | bellard | /* Initialisation routine */
|
635 | 43a34704 | Blue Swirl | M48t59State *m48t59_init(qemu_irq IRQ, target_phys_addr_t mem_base, |
636 | 43a34704 | Blue Swirl | uint32_t io_base, uint16_t size, int type)
|
637 | a541f297 | bellard | { |
638 | d27cf0ae | Blue Swirl | DeviceState *dev; |
639 | d27cf0ae | Blue Swirl | SysBusDevice *s; |
640 | f80237d4 | Blue Swirl | M48t59SysBusState *d; |
641 | 51f9b84e | Hervé Poussineau | M48t59State *state; |
642 | d27cf0ae | Blue Swirl | |
643 | d27cf0ae | Blue Swirl | dev = qdev_create(NULL, "m48t59"); |
644 | ee6847d1 | Gerd Hoffmann | qdev_prop_set_uint32(dev, "type", type);
|
645 | ee6847d1 | Gerd Hoffmann | qdev_prop_set_uint32(dev, "size", size);
|
646 | ee6847d1 | Gerd Hoffmann | qdev_prop_set_uint32(dev, "io_base", io_base);
|
647 | e23a1b33 | Markus Armbruster | qdev_init_nofail(dev); |
648 | d27cf0ae | Blue Swirl | s = sysbus_from_qdev(dev); |
649 | 51f9b84e | Hervé Poussineau | d = FROM_SYSBUS(M48t59SysBusState, s); |
650 | 51f9b84e | Hervé Poussineau | state = &d->state; |
651 | d27cf0ae | Blue Swirl | sysbus_connect_irq(s, 0, IRQ);
|
652 | 819385c5 | bellard | if (io_base != 0) { |
653 | 51f9b84e | Hervé Poussineau | register_ioport_read(io_base, 0x04, 1, NVRAM_readb, state); |
654 | 51f9b84e | Hervé Poussineau | register_ioport_write(io_base, 0x04, 1, NVRAM_writeb, state); |
655 | 819385c5 | bellard | } |
656 | e1bb04f7 | bellard | if (mem_base != 0) { |
657 | d27cf0ae | Blue Swirl | sysbus_mmio_map(s, 0, mem_base);
|
658 | e1bb04f7 | bellard | } |
659 | d27cf0ae | Blue Swirl | |
660 | 51f9b84e | Hervé Poussineau | return state;
|
661 | d27cf0ae | Blue Swirl | } |
662 | d27cf0ae | Blue Swirl | |
663 | 43a34704 | Blue Swirl | M48t59State *m48t59_init_isa(uint32_t io_base, uint16_t size, int type)
|
664 | d27cf0ae | Blue Swirl | { |
665 | f80237d4 | Blue Swirl | M48t59ISAState *d; |
666 | f80237d4 | Blue Swirl | ISADevice *dev; |
667 | 43a34704 | Blue Swirl | M48t59State *s; |
668 | f80237d4 | Blue Swirl | |
669 | f80237d4 | Blue Swirl | dev = isa_create("m48t59_isa");
|
670 | f80237d4 | Blue Swirl | qdev_prop_set_uint32(&dev->qdev, "type", type);
|
671 | f80237d4 | Blue Swirl | qdev_prop_set_uint32(&dev->qdev, "size", size);
|
672 | f80237d4 | Blue Swirl | qdev_prop_set_uint32(&dev->qdev, "io_base", io_base);
|
673 | e23a1b33 | Markus Armbruster | qdev_init_nofail(&dev->qdev); |
674 | f80237d4 | Blue Swirl | d = DO_UPCAST(M48t59ISAState, busdev, dev); |
675 | f80237d4 | Blue Swirl | s = &d->state; |
676 | d27cf0ae | Blue Swirl | |
677 | 9936d6e4 | Richard Henderson | memory_region_init_io(&d->io, &m48t59_io_ops, s, "m48t59", 4); |
678 | f80237d4 | Blue Swirl | if (io_base != 0) { |
679 | 9936d6e4 | Richard Henderson | isa_register_ioport(dev, &d->io, io_base); |
680 | f80237d4 | Blue Swirl | } |
681 | d27cf0ae | Blue Swirl | |
682 | f80237d4 | Blue Swirl | return s;
|
683 | f80237d4 | Blue Swirl | } |
684 | d27cf0ae | Blue Swirl | |
685 | 43a34704 | Blue Swirl | static void m48t59_init_common(M48t59State *s) |
686 | f80237d4 | Blue Swirl | { |
687 | 7267c094 | Anthony Liguori | s->buffer = g_malloc0(s->size); |
688 | d27cf0ae | Blue Swirl | if (s->type == 59) { |
689 | 74475455 | Paolo Bonzini | s->alrm_timer = qemu_new_timer_ns(vm_clock, &alarm_cb, s); |
690 | 74475455 | Paolo Bonzini | s->wd_timer = qemu_new_timer_ns(vm_clock, &watchdog_cb, s); |
691 | 819385c5 | bellard | } |
692 | f6503059 | balrog | qemu_get_timedate(&s->alarm, 0);
|
693 | 13ab5daa | bellard | |
694 | fd484ae4 | Juan Quintela | vmstate_register(NULL, -1, &vmstate_m48t59, s); |
695 | f80237d4 | Blue Swirl | } |
696 | f80237d4 | Blue Swirl | |
697 | f80237d4 | Blue Swirl | static int m48t59_init_isa1(ISADevice *dev) |
698 | f80237d4 | Blue Swirl | { |
699 | f80237d4 | Blue Swirl | M48t59ISAState *d = DO_UPCAST(M48t59ISAState, busdev, dev); |
700 | 43a34704 | Blue Swirl | M48t59State *s = &d->state; |
701 | f80237d4 | Blue Swirl | |
702 | f80237d4 | Blue Swirl | isa_init_irq(dev, &s->IRQ, 8);
|
703 | f80237d4 | Blue Swirl | m48t59_init_common(s); |
704 | f80237d4 | Blue Swirl | |
705 | 81a322d4 | Gerd Hoffmann | return 0; |
706 | d27cf0ae | Blue Swirl | } |
707 | 3ccacc4a | blueswir1 | |
708 | f80237d4 | Blue Swirl | static int m48t59_init1(SysBusDevice *dev) |
709 | f80237d4 | Blue Swirl | { |
710 | f80237d4 | Blue Swirl | M48t59SysBusState *d = FROM_SYSBUS(M48t59SysBusState, dev); |
711 | 43a34704 | Blue Swirl | M48t59State *s = &d->state; |
712 | f80237d4 | Blue Swirl | |
713 | f80237d4 | Blue Swirl | sysbus_init_irq(dev, &s->IRQ); |
714 | f80237d4 | Blue Swirl | |
715 | 5a31cd68 | Avi Kivity | memory_region_init_io(&s->iomem, &nvram_ops, s, "m48t59.nvram", s->size);
|
716 | 5a31cd68 | Avi Kivity | sysbus_init_mmio_region(dev, &s->iomem); |
717 | f80237d4 | Blue Swirl | m48t59_init_common(s); |
718 | f80237d4 | Blue Swirl | |
719 | f80237d4 | Blue Swirl | return 0; |
720 | f80237d4 | Blue Swirl | } |
721 | f80237d4 | Blue Swirl | |
722 | f80237d4 | Blue Swirl | static ISADeviceInfo m48t59_isa_info = {
|
723 | f80237d4 | Blue Swirl | .init = m48t59_init_isa1, |
724 | f80237d4 | Blue Swirl | .qdev.name = "m48t59_isa",
|
725 | f80237d4 | Blue Swirl | .qdev.size = sizeof(M48t59ISAState),
|
726 | 285e468d | Blue Swirl | .qdev.reset = m48t59_reset_isa, |
727 | f80237d4 | Blue Swirl | .qdev.no_user = 1,
|
728 | f80237d4 | Blue Swirl | .qdev.props = (Property[]) { |
729 | f80237d4 | Blue Swirl | DEFINE_PROP_UINT32("size", M48t59ISAState, state.size, -1), |
730 | f80237d4 | Blue Swirl | DEFINE_PROP_UINT32("type", M48t59ISAState, state.type, -1), |
731 | f80237d4 | Blue Swirl | DEFINE_PROP_HEX32( "io_base", M48t59ISAState, state.io_base, 0), |
732 | f80237d4 | Blue Swirl | DEFINE_PROP_END_OF_LIST(), |
733 | f80237d4 | Blue Swirl | } |
734 | f80237d4 | Blue Swirl | }; |
735 | f80237d4 | Blue Swirl | |
736 | ee6847d1 | Gerd Hoffmann | static SysBusDeviceInfo m48t59_info = {
|
737 | ee6847d1 | Gerd Hoffmann | .init = m48t59_init1, |
738 | ee6847d1 | Gerd Hoffmann | .qdev.name = "m48t59",
|
739 | f80237d4 | Blue Swirl | .qdev.size = sizeof(M48t59SysBusState),
|
740 | 285e468d | Blue Swirl | .qdev.reset = m48t59_reset_sysbus, |
741 | ee6847d1 | Gerd Hoffmann | .qdev.props = (Property[]) { |
742 | f80237d4 | Blue Swirl | DEFINE_PROP_UINT32("size", M48t59SysBusState, state.size, -1), |
743 | f80237d4 | Blue Swirl | DEFINE_PROP_UINT32("type", M48t59SysBusState, state.type, -1), |
744 | f80237d4 | Blue Swirl | DEFINE_PROP_HEX32( "io_base", M48t59SysBusState, state.io_base, 0), |
745 | 01274424 | Gerd Hoffmann | DEFINE_PROP_END_OF_LIST(), |
746 | ee6847d1 | Gerd Hoffmann | } |
747 | ee6847d1 | Gerd Hoffmann | }; |
748 | ee6847d1 | Gerd Hoffmann | |
749 | d27cf0ae | Blue Swirl | static void m48t59_register_devices(void) |
750 | d27cf0ae | Blue Swirl | { |
751 | ee6847d1 | Gerd Hoffmann | sysbus_register_withprop(&m48t59_info); |
752 | f80237d4 | Blue Swirl | isa_qdev_register(&m48t59_isa_info); |
753 | a541f297 | bellard | } |
754 | d27cf0ae | Blue Swirl | |
755 | d27cf0ae | Blue Swirl | device_init(m48t59_register_devices) |