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3bf11207 VK |
1 | /* |
2 | * PXA270-based Zipit Z2 device | |
3 | * | |
4 | * Copyright (c) 2011 by Vasily Khoruzhick <anarsoul@gmail.com> | |
5 | * | |
6 | * Code is based on mainstone platform. | |
7 | * | |
8 | * This code is licensed under the GNU GPL v2. | |
6b620ca3 PB |
9 | * |
10 | * Contributions after 2012-01-13 are licensed under the terms of the | |
11 | * GNU GPL, version 2 or (at your option) any later version. | |
3bf11207 VK |
12 | */ |
13 | ||
12b16722 | 14 | #include "qemu/osdep.h" |
0d09e41a | 15 | #include "hw/arm/pxa.h" |
12ec8bd5 | 16 | #include "hw/arm/boot.h" |
0d09e41a | 17 | #include "hw/i2c/i2c.h" |
64552b6b | 18 | #include "hw/irq.h" |
8fd06719 | 19 | #include "hw/ssi/ssi.h" |
d6454270 | 20 | #include "migration/vmstate.h" |
83c9f4ca | 21 | #include "hw/boards.h" |
0d09e41a | 22 | #include "hw/block/flash.h" |
28ecbaee | 23 | #include "ui/console.h" |
7ab14c5a | 24 | #include "hw/audio/wm8750.h" |
3bf11207 | 25 | #include "audio/audio.h" |
022c62cb | 26 | #include "exec/address-spaces.h" |
e25ac5f6 | 27 | #include "sysemu/qtest.h" |
ba1ba5cc | 28 | #include "cpu.h" |
db1015e9 | 29 | #include "qom/object.h" |
3bf11207 VK |
30 | |
31 | #ifdef DEBUG_Z2 | |
32 | #define DPRINTF(fmt, ...) \ | |
33 | printf(fmt, ## __VA_ARGS__) | |
34 | #else | |
35 | #define DPRINTF(fmt, ...) | |
36 | #endif | |
37 | ||
52975c31 | 38 | static const struct keymap map[0x100] = { |
3bf11207 VK |
39 | [0 ... 0xff] = { -1, -1 }, |
40 | [0x3b] = {0, 0}, /* Option = F1 */ | |
41 | [0xc8] = {0, 1}, /* Up */ | |
42 | [0xd0] = {0, 2}, /* Down */ | |
43 | [0xcb] = {0, 3}, /* Left */ | |
44 | [0xcd] = {0, 4}, /* Right */ | |
45 | [0xcf] = {0, 5}, /* End */ | |
46 | [0x0d] = {0, 6}, /* KPPLUS */ | |
47 | [0xc7] = {1, 0}, /* Home */ | |
48 | [0x10] = {1, 1}, /* Q */ | |
49 | [0x17] = {1, 2}, /* I */ | |
50 | [0x22] = {1, 3}, /* G */ | |
51 | [0x2d] = {1, 4}, /* X */ | |
52 | [0x1c] = {1, 5}, /* Enter */ | |
53 | [0x0c] = {1, 6}, /* KPMINUS */ | |
54 | [0xc9] = {2, 0}, /* PageUp */ | |
55 | [0x11] = {2, 1}, /* W */ | |
56 | [0x18] = {2, 2}, /* O */ | |
57 | [0x23] = {2, 3}, /* H */ | |
58 | [0x2e] = {2, 4}, /* C */ | |
59 | [0x38] = {2, 5}, /* LeftAlt */ | |
60 | [0xd1] = {3, 0}, /* PageDown */ | |
61 | [0x12] = {3, 1}, /* E */ | |
62 | [0x19] = {3, 2}, /* P */ | |
63 | [0x24] = {3, 3}, /* J */ | |
64 | [0x2f] = {3, 4}, /* V */ | |
65 | [0x2a] = {3, 5}, /* LeftShift */ | |
66 | [0x01] = {4, 0}, /* Esc */ | |
67 | [0x13] = {4, 1}, /* R */ | |
68 | [0x1e] = {4, 2}, /* A */ | |
69 | [0x25] = {4, 3}, /* K */ | |
70 | [0x30] = {4, 4}, /* B */ | |
71 | [0x1d] = {4, 5}, /* LeftCtrl */ | |
72 | [0x0f] = {5, 0}, /* Tab */ | |
73 | [0x14] = {5, 1}, /* T */ | |
74 | [0x1f] = {5, 2}, /* S */ | |
75 | [0x26] = {5, 3}, /* L */ | |
76 | [0x31] = {5, 4}, /* N */ | |
77 | [0x39] = {5, 5}, /* Space */ | |
78 | [0x3c] = {6, 0}, /* Stop = F2 */ | |
79 | [0x15] = {6, 1}, /* Y */ | |
80 | [0x20] = {6, 2}, /* D */ | |
81 | [0x0e] = {6, 3}, /* Backspace */ | |
82 | [0x32] = {6, 4}, /* M */ | |
83 | [0x33] = {6, 5}, /* Comma */ | |
84 | [0x3d] = {7, 0}, /* Play = F3 */ | |
85 | [0x16] = {7, 1}, /* U */ | |
86 | [0x21] = {7, 2}, /* F */ | |
87 | [0x2c] = {7, 3}, /* Z */ | |
88 | [0x27] = {7, 4}, /* Semicolon */ | |
89 | [0x34] = {7, 5}, /* Dot */ | |
90 | }; | |
91 | ||
92 | #define Z2_RAM_SIZE 0x02000000 | |
93 | #define Z2_FLASH_BASE 0x00000000 | |
94 | #define Z2_FLASH_SIZE 0x00800000 | |
95 | ||
96 | static struct arm_boot_info z2_binfo = { | |
97 | .loader_start = PXA2XX_SDRAM_BASE, | |
98 | .ram_size = Z2_RAM_SIZE, | |
99 | }; | |
100 | ||
101 | #define Z2_GPIO_SD_DETECT 96 | |
102 | #define Z2_GPIO_AC_IN 0 | |
103 | #define Z2_GPIO_KEY_ON 1 | |
104 | #define Z2_GPIO_LCD_CS 88 | |
105 | ||
db1015e9 | 106 | struct ZipitLCD { |
3bf11207 VK |
107 | SSISlave ssidev; |
108 | int32_t selected; | |
109 | int32_t enabled; | |
110 | uint8_t buf[3]; | |
111 | uint32_t cur_reg; | |
112 | int pos; | |
db1015e9 EH |
113 | }; |
114 | typedef struct ZipitLCD ZipitLCD; | |
3bf11207 | 115 | |
213f63df | 116 | #define TYPE_ZIPIT_LCD "zipit-lcd" |
8110fa1d EH |
117 | DECLARE_INSTANCE_CHECKER(ZipitLCD, ZIPIT_LCD, |
118 | TYPE_ZIPIT_LCD) | |
213f63df | 119 | |
3bf11207 VK |
120 | static uint32_t zipit_lcd_transfer(SSISlave *dev, uint32_t value) |
121 | { | |
213f63df | 122 | ZipitLCD *z = ZIPIT_LCD(dev); |
3bf11207 VK |
123 | uint16_t val; |
124 | if (z->selected) { | |
125 | z->buf[z->pos] = value & 0xff; | |
126 | z->pos++; | |
127 | } | |
128 | if (z->pos == 3) { | |
129 | switch (z->buf[0]) { | |
130 | case 0x74: | |
131 | DPRINTF("%s: reg: 0x%.2x\n", __func__, z->buf[2]); | |
132 | z->cur_reg = z->buf[2]; | |
133 | break; | |
134 | case 0x76: | |
135 | val = z->buf[1] << 8 | z->buf[2]; | |
136 | DPRINTF("%s: value: 0x%.4x\n", __func__, val); | |
137 | if (z->cur_reg == 0x22 && val == 0x0000) { | |
138 | z->enabled = 1; | |
139 | printf("%s: LCD enabled\n", __func__); | |
140 | } else if (z->cur_reg == 0x10 && val == 0x0000) { | |
141 | z->enabled = 0; | |
142 | printf("%s: LCD disabled\n", __func__); | |
143 | } | |
144 | break; | |
145 | default: | |
146 | DPRINTF("%s: unknown command!\n", __func__); | |
147 | break; | |
148 | } | |
149 | z->pos = 0; | |
150 | } | |
151 | return 0; | |
152 | } | |
153 | ||
154 | static void z2_lcd_cs(void *opaque, int line, int level) | |
155 | { | |
156 | ZipitLCD *z2_lcd = opaque; | |
157 | z2_lcd->selected = !level; | |
158 | } | |
159 | ||
7673bb4c | 160 | static void zipit_lcd_realize(SSISlave *dev, Error **errp) |
3bf11207 | 161 | { |
213f63df | 162 | ZipitLCD *z = ZIPIT_LCD(dev); |
3bf11207 VK |
163 | z->selected = 0; |
164 | z->enabled = 0; | |
165 | z->pos = 0; | |
3bf11207 VK |
166 | } |
167 | ||
168 | static VMStateDescription vmstate_zipit_lcd_state = { | |
169 | .name = "zipit-lcd", | |
66530953 PC |
170 | .version_id = 2, |
171 | .minimum_version_id = 2, | |
3bf11207 | 172 | .fields = (VMStateField[]) { |
66530953 | 173 | VMSTATE_SSI_SLAVE(ssidev, ZipitLCD), |
3bf11207 VK |
174 | VMSTATE_INT32(selected, ZipitLCD), |
175 | VMSTATE_INT32(enabled, ZipitLCD), | |
176 | VMSTATE_BUFFER(buf, ZipitLCD), | |
177 | VMSTATE_UINT32(cur_reg, ZipitLCD), | |
178 | VMSTATE_INT32(pos, ZipitLCD), | |
179 | VMSTATE_END_OF_LIST(), | |
180 | } | |
181 | }; | |
182 | ||
cd6c4cf2 AL |
183 | static void zipit_lcd_class_init(ObjectClass *klass, void *data) |
184 | { | |
39bffca2 | 185 | DeviceClass *dc = DEVICE_CLASS(klass); |
cd6c4cf2 AL |
186 | SSISlaveClass *k = SSI_SLAVE_CLASS(klass); |
187 | ||
7673bb4c | 188 | k->realize = zipit_lcd_realize; |
cd6c4cf2 | 189 | k->transfer = zipit_lcd_transfer; |
39bffca2 | 190 | dc->vmsd = &vmstate_zipit_lcd_state; |
cd6c4cf2 AL |
191 | } |
192 | ||
8c43a6f0 | 193 | static const TypeInfo zipit_lcd_info = { |
213f63df | 194 | .name = TYPE_ZIPIT_LCD, |
39bffca2 AL |
195 | .parent = TYPE_SSI_SLAVE, |
196 | .instance_size = sizeof(ZipitLCD), | |
197 | .class_init = zipit_lcd_class_init, | |
3bf11207 VK |
198 | }; |
199 | ||
a5f96db7 | 200 | #define TYPE_AER915 "aer915" |
db1015e9 | 201 | typedef struct AER915State AER915State; |
8110fa1d EH |
202 | DECLARE_INSTANCE_CHECKER(AER915State, AER915, |
203 | TYPE_AER915) | |
a5f96db7 | 204 | |
db1015e9 | 205 | struct AER915State { |
a5f96db7 AF |
206 | I2CSlave parent_obj; |
207 | ||
3bf11207 VK |
208 | int len; |
209 | uint8_t buf[3]; | |
db1015e9 | 210 | }; |
3bf11207 | 211 | |
9e07bdf8 | 212 | static int aer915_send(I2CSlave *i2c, uint8_t data) |
3bf11207 | 213 | { |
a5f96db7 AF |
214 | AER915State *s = AER915(i2c); |
215 | ||
3bf11207 VK |
216 | s->buf[s->len] = data; |
217 | if (s->len++ > 2) { | |
218 | DPRINTF("%s: message too long (%i bytes)\n", | |
219 | __func__, s->len); | |
220 | return 1; | |
221 | } | |
222 | ||
223 | if (s->len == 2) { | |
224 | DPRINTF("%s: reg %d value 0x%02x\n", __func__, | |
225 | s->buf[0], s->buf[1]); | |
226 | } | |
227 | ||
228 | return 0; | |
229 | } | |
230 | ||
d307c28c | 231 | static int aer915_event(I2CSlave *i2c, enum i2c_event event) |
3bf11207 | 232 | { |
a5f96db7 AF |
233 | AER915State *s = AER915(i2c); |
234 | ||
3bf11207 VK |
235 | switch (event) { |
236 | case I2C_START_SEND: | |
237 | s->len = 0; | |
238 | break; | |
239 | case I2C_START_RECV: | |
240 | if (s->len != 1) { | |
241 | DPRINTF("%s: short message!?\n", __func__); | |
242 | } | |
243 | break; | |
244 | case I2C_FINISH: | |
245 | break; | |
246 | default: | |
247 | break; | |
248 | } | |
d307c28c CM |
249 | |
250 | return 0; | |
3bf11207 VK |
251 | } |
252 | ||
2ac4c5f4 | 253 | static uint8_t aer915_recv(I2CSlave *slave) |
3bf11207 | 254 | { |
a5f96db7 | 255 | AER915State *s = AER915(slave); |
3bf11207 | 256 | int retval = 0x00; |
3bf11207 VK |
257 | |
258 | switch (s->buf[0]) { | |
259 | /* Return hardcoded battery voltage, | |
260 | * 0xf0 means ~4.1V | |
261 | */ | |
262 | case 0x02: | |
263 | retval = 0xf0; | |
264 | break; | |
265 | /* Return 0x00 for other regs, | |
266 | * we don't know what they are for, | |
267 | * anyway they return 0x00 on real hardware. | |
268 | */ | |
269 | default: | |
270 | break; | |
271 | } | |
272 | ||
273 | return retval; | |
274 | } | |
275 | ||
3bf11207 VK |
276 | static VMStateDescription vmstate_aer915_state = { |
277 | .name = "aer915", | |
278 | .version_id = 1, | |
279 | .minimum_version_id = 1, | |
3bf11207 VK |
280 | .fields = (VMStateField[]) { |
281 | VMSTATE_INT32(len, AER915State), | |
282 | VMSTATE_BUFFER(buf, AER915State), | |
283 | VMSTATE_END_OF_LIST(), | |
284 | } | |
285 | }; | |
286 | ||
b5ea9327 AL |
287 | static void aer915_class_init(ObjectClass *klass, void *data) |
288 | { | |
39bffca2 | 289 | DeviceClass *dc = DEVICE_CLASS(klass); |
b5ea9327 AL |
290 | I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); |
291 | ||
b5ea9327 AL |
292 | k->event = aer915_event; |
293 | k->recv = aer915_recv; | |
294 | k->send = aer915_send; | |
39bffca2 | 295 | dc->vmsd = &vmstate_aer915_state; |
b5ea9327 AL |
296 | } |
297 | ||
8c43a6f0 | 298 | static const TypeInfo aer915_info = { |
a5f96db7 | 299 | .name = TYPE_AER915, |
39bffca2 AL |
300 | .parent = TYPE_I2C_SLAVE, |
301 | .instance_size = sizeof(AER915State), | |
302 | .class_init = aer915_class_init, | |
3bf11207 VK |
303 | }; |
304 | ||
3ef96221 | 305 | static void z2_init(MachineState *machine) |
3bf11207 | 306 | { |
a6dc4c2d | 307 | MemoryRegion *address_space_mem = get_system_memory(); |
3bf11207 | 308 | uint32_t sector_len = 0x10000; |
5c6f4f17 | 309 | PXA2xxState *mpu; |
3bf11207 | 310 | DriveInfo *dinfo; |
3bf11207 | 311 | void *z2_lcd; |
a5c82852 | 312 | I2CBus *bus; |
3bf11207 VK |
313 | DeviceState *wm; |
314 | ||
3bf11207 | 315 | /* Setup CPU & memory */ |
ba1ba5cc | 316 | mpu = pxa270_init(address_space_mem, z2_binfo.ram_size, machine->cpu_type); |
3bf11207 | 317 | |
3bf11207 | 318 | dinfo = drive_get(IF_PFLASH, 0, 0); |
940d5b13 | 319 | if (!pflash_cfi01_register(Z2_FLASH_BASE, "z2.flash0", Z2_FLASH_SIZE, |
4be74634 | 320 | dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, |
56329e38 | 321 | sector_len, 4, 0, 0, 0, 0, 0)) { |
c0dbca36 | 322 | error_report("Error registering flash memory"); |
3bf11207 VK |
323 | exit(1); |
324 | } | |
325 | ||
326 | /* setup keypad */ | |
5c6f4f17 | 327 | pxa27x_register_keypad(mpu->kp, map, 0x100); |
3bf11207 VK |
328 | |
329 | /* MMC/SD host */ | |
5c6f4f17 | 330 | pxa2xx_mmci_handlers(mpu->mmc, |
3bf11207 | 331 | NULL, |
5c6f4f17 | 332 | qdev_get_gpio_in(mpu->gpio, Z2_GPIO_SD_DETECT)); |
3bf11207 | 333 | |
39bffca2 AL |
334 | type_register_static(&zipit_lcd_info); |
335 | type_register_static(&aer915_info); | |
213f63df | 336 | z2_lcd = ssi_create_slave(mpu->ssp[1], TYPE_ZIPIT_LCD); |
5c6f4f17 | 337 | bus = pxa2xx_i2c_bus(mpu->i2c[0]); |
1373b15b PMD |
338 | i2c_slave_create_simple(bus, TYPE_AER915, 0x55); |
339 | wm = DEVICE(i2c_slave_create_simple(bus, TYPE_WM8750, 0x1b)); | |
5c6f4f17 AF |
340 | mpu->i2s->opaque = wm; |
341 | mpu->i2s->codec_out = wm8750_dac_dat; | |
342 | mpu->i2s->codec_in = wm8750_adc_dat; | |
343 | wm8750_data_req_set(wm, mpu->i2s->data_req, mpu->i2s); | |
3bf11207 | 344 | |
5c6f4f17 | 345 | qdev_connect_gpio_out(mpu->gpio, Z2_GPIO_LCD_CS, |
f3c7d038 | 346 | qemu_allocate_irq(z2_lcd_cs, z2_lcd, 0)); |
3bf11207 | 347 | |
dacecf54 | 348 | z2_binfo.board_id = 0x6dd; |
2744ece8 | 349 | arm_load_kernel(mpu->cpu, machine, &z2_binfo); |
3bf11207 VK |
350 | } |
351 | ||
e264d29d | 352 | static void z2_machine_init(MachineClass *mc) |
3bf11207 | 353 | { |
e264d29d EH |
354 | mc->desc = "Zipit Z2 (PXA27x)"; |
355 | mc->init = z2_init; | |
4672cbd7 | 356 | mc->ignore_memory_transaction_failures = true; |
ba1ba5cc | 357 | mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c5"); |
3bf11207 VK |
358 | } |
359 | ||
e264d29d | 360 | DEFINE_MACHINE("z2", z2_machine_init) |