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14#include "hw.h"
15#include "pxa.h"
16#include "arm-misc.h"
17#include "devices.h"
18#include "i2c.h"
19#include "ssi.h"
20#include "boards.h"
21#include "sysemu.h"
22#include "flash.h"
23#include "blockdev.h"
24#include "console.h"
25#include "audio/audio.h"
26#include "exec-memory.h"
27
28#ifdef DEBUG_Z2
29#define DPRINTF(fmt, ...) \
30 printf(fmt, ## __VA_ARGS__)
31#else
32#define DPRINTF(fmt, ...)
33#endif
34
35static struct keymap map[0x100] = {
36 [0 ... 0xff] = { -1, -1 },
37 [0x3b] = {0, 0},
38 [0xc8] = {0, 1},
39 [0xd0] = {0, 2},
40 [0xcb] = {0, 3},
41 [0xcd] = {0, 4},
42 [0xcf] = {0, 5},
43 [0x0d] = {0, 6},
44 [0xc7] = {1, 0},
45 [0x10] = {1, 1},
46 [0x17] = {1, 2},
47 [0x22] = {1, 3},
48 [0x2d] = {1, 4},
49 [0x1c] = {1, 5},
50 [0x0c] = {1, 6},
51 [0xc9] = {2, 0},
52 [0x11] = {2, 1},
53 [0x18] = {2, 2},
54 [0x23] = {2, 3},
55 [0x2e] = {2, 4},
56 [0x38] = {2, 5},
57 [0xd1] = {3, 0},
58 [0x12] = {3, 1},
59 [0x19] = {3, 2},
60 [0x24] = {3, 3},
61 [0x2f] = {3, 4},
62 [0x2a] = {3, 5},
63 [0x01] = {4, 0},
64 [0x13] = {4, 1},
65 [0x1e] = {4, 2},
66 [0x25] = {4, 3},
67 [0x30] = {4, 4},
68 [0x1d] = {4, 5},
69 [0x0f] = {5, 0},
70 [0x14] = {5, 1},
71 [0x1f] = {5, 2},
72 [0x26] = {5, 3},
73 [0x31] = {5, 4},
74 [0x39] = {5, 5},
75 [0x3c] = {6, 0},
76 [0x15] = {6, 1},
77 [0x20] = {6, 2},
78 [0x0e] = {6, 3},
79 [0x32] = {6, 4},
80 [0x33] = {6, 5},
81 [0x3d] = {7, 0},
82 [0x16] = {7, 1},
83 [0x21] = {7, 2},
84 [0x2c] = {7, 3},
85 [0x27] = {7, 4},
86 [0x34] = {7, 5},
87};
88
89#define Z2_RAM_SIZE 0x02000000
90#define Z2_FLASH_BASE 0x00000000
91#define Z2_FLASH_SIZE 0x00800000
92
93static struct arm_boot_info z2_binfo = {
94 .loader_start = PXA2XX_SDRAM_BASE,
95 .ram_size = Z2_RAM_SIZE,
96};
97
98#define Z2_GPIO_SD_DETECT 96
99#define Z2_GPIO_AC_IN 0
100#define Z2_GPIO_KEY_ON 1
101#define Z2_GPIO_LCD_CS 88
102
103typedef struct {
104 SSISlave ssidev;
105 int32_t selected;
106 int32_t enabled;
107 uint8_t buf[3];
108 uint32_t cur_reg;
109 int pos;
110} ZipitLCD;
111
112static uint32_t zipit_lcd_transfer(SSISlave *dev, uint32_t value)
113{
114 ZipitLCD *z = FROM_SSI_SLAVE(ZipitLCD, dev);
115 uint16_t val;
116 if (z->selected) {
117 z->buf[z->pos] = value & 0xff;
118 z->pos++;
119 }
120 if (z->pos == 3) {
121 switch (z->buf[0]) {
122 case 0x74:
123 DPRINTF("%s: reg: 0x%.2x\n", __func__, z->buf[2]);
124 z->cur_reg = z->buf[2];
125 break;
126 case 0x76:
127 val = z->buf[1] << 8 | z->buf[2];
128 DPRINTF("%s: value: 0x%.4x\n", __func__, val);
129 if (z->cur_reg == 0x22 && val == 0x0000) {
130 z->enabled = 1;
131 printf("%s: LCD enabled\n", __func__);
132 } else if (z->cur_reg == 0x10 && val == 0x0000) {
133 z->enabled = 0;
134 printf("%s: LCD disabled\n", __func__);
135 }
136 break;
137 default:
138 DPRINTF("%s: unknown command!\n", __func__);
139 break;
140 }
141 z->pos = 0;
142 }
143 return 0;
144}
145
146static void z2_lcd_cs(void *opaque, int line, int level)
147{
148 ZipitLCD *z2_lcd = opaque;
149 z2_lcd->selected = !level;
150}
151
152static int zipit_lcd_init(SSISlave *dev)
153{
154 ZipitLCD *z = FROM_SSI_SLAVE(ZipitLCD, dev);
155 z->selected = 0;
156 z->enabled = 0;
157 z->pos = 0;
158
159 return 0;
160}
161
162static VMStateDescription vmstate_zipit_lcd_state = {
163 .name = "zipit-lcd",
164 .version_id = 1,
165 .minimum_version_id = 1,
166 .minimum_version_id_old = 1,
167 .fields = (VMStateField[]) {
168 VMSTATE_INT32(selected, ZipitLCD),
169 VMSTATE_INT32(enabled, ZipitLCD),
170 VMSTATE_BUFFER(buf, ZipitLCD),
171 VMSTATE_UINT32(cur_reg, ZipitLCD),
172 VMSTATE_INT32(pos, ZipitLCD),
173 VMSTATE_END_OF_LIST(),
174 }
175};
176
177static void zipit_lcd_class_init(ObjectClass *klass, void *data)
178{
179 DeviceClass *dc = DEVICE_CLASS(klass);
180 SSISlaveClass *k = SSI_SLAVE_CLASS(klass);
181
182 k->init = zipit_lcd_init;
183 k->transfer = zipit_lcd_transfer;
184 dc->vmsd = &vmstate_zipit_lcd_state;
185}
186
187static TypeInfo zipit_lcd_info = {
188 .name = "zipit-lcd",
189 .parent = TYPE_SSI_SLAVE,
190 .instance_size = sizeof(ZipitLCD),
191 .class_init = zipit_lcd_class_init,
192};
193
194typedef struct {
195 I2CSlave i2c;
196 int len;
197 uint8_t buf[3];
198} AER915State;
199
200static int aer915_send(I2CSlave *i2c, uint8_t data)
201{
202 AER915State *s = FROM_I2C_SLAVE(AER915State, i2c);
203 s->buf[s->len] = data;
204 if (s->len++ > 2) {
205 DPRINTF("%s: message too long (%i bytes)\n",
206 __func__, s->len);
207 return 1;
208 }
209
210 if (s->len == 2) {
211 DPRINTF("%s: reg %d value 0x%02x\n", __func__,
212 s->buf[0], s->buf[1]);
213 }
214
215 return 0;
216}
217
218static void aer915_event(I2CSlave *i2c, enum i2c_event event)
219{
220 AER915State *s = FROM_I2C_SLAVE(AER915State, i2c);
221 switch (event) {
222 case I2C_START_SEND:
223 s->len = 0;
224 break;
225 case I2C_START_RECV:
226 if (s->len != 1) {
227 DPRINTF("%s: short message!?\n", __func__);
228 }
229 break;
230 case I2C_FINISH:
231 break;
232 default:
233 break;
234 }
235}
236
237static int aer915_recv(I2CSlave *slave)
238{
239 int retval = 0x00;
240 AER915State *s = FROM_I2C_SLAVE(AER915State, slave);
241
242 switch (s->buf[0]) {
243
244
245
246 case 0x02:
247 retval = 0xf0;
248 break;
249
250
251
252
253 default:
254 break;
255 }
256
257 return retval;
258}
259
260static int aer915_init(I2CSlave *i2c)
261{
262
263 return 0;
264}
265
266static VMStateDescription vmstate_aer915_state = {
267 .name = "aer915",
268 .version_id = 1,
269 .minimum_version_id = 1,
270 .minimum_version_id_old = 1,
271 .fields = (VMStateField[]) {
272 VMSTATE_INT32(len, AER915State),
273 VMSTATE_BUFFER(buf, AER915State),
274 VMSTATE_END_OF_LIST(),
275 }
276};
277
278static void aer915_class_init(ObjectClass *klass, void *data)
279{
280 DeviceClass *dc = DEVICE_CLASS(klass);
281 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
282
283 k->init = aer915_init;
284 k->event = aer915_event;
285 k->recv = aer915_recv;
286 k->send = aer915_send;
287 dc->vmsd = &vmstate_aer915_state;
288}
289
290static TypeInfo aer915_info = {
291 .name = "aer915",
292 .parent = TYPE_I2C_SLAVE,
293 .instance_size = sizeof(AER915State),
294 .class_init = aer915_class_init,
295};
296
297static void z2_init(ram_addr_t ram_size,
298 const char *boot_device,
299 const char *kernel_filename, const char *kernel_cmdline,
300 const char *initrd_filename, const char *cpu_model)
301{
302 MemoryRegion *address_space_mem = get_system_memory();
303 uint32_t sector_len = 0x10000;
304 PXA2xxState *mpu;
305 DriveInfo *dinfo;
306 int be;
307 void *z2_lcd;
308 i2c_bus *bus;
309 DeviceState *wm;
310
311 if (!cpu_model) {
312 cpu_model = "pxa270-c5";
313 }
314
315
316 mpu = pxa270_init(address_space_mem, z2_binfo.ram_size, cpu_model);
317
318#ifdef TARGET_WORDS_BIGENDIAN
319 be = 1;
320#else
321 be = 0;
322#endif
323 dinfo = drive_get(IF_PFLASH, 0, 0);
324 if (!dinfo) {
325 fprintf(stderr, "Flash image must be given with the "
326 "'pflash' parameter\n");
327 exit(1);
328 }
329
330 if (!pflash_cfi01_register(Z2_FLASH_BASE,
331 NULL, "z2.flash0", Z2_FLASH_SIZE,
332 dinfo->bdrv, sector_len,
333 Z2_FLASH_SIZE / sector_len, 4, 0, 0, 0, 0,
334 be)) {
335 fprintf(stderr, "qemu: Error registering flash memory.\n");
336 exit(1);
337 }
338
339
340 pxa27x_register_keypad(mpu->kp, map, 0x100);
341
342
343 pxa2xx_mmci_handlers(mpu->mmc,
344 NULL,
345 qdev_get_gpio_in(mpu->gpio, Z2_GPIO_SD_DETECT));
346
347 type_register_static(&zipit_lcd_info);
348 type_register_static(&aer915_info);
349 z2_lcd = ssi_create_slave(mpu->ssp[1], "zipit-lcd");
350 bus = pxa2xx_i2c_bus(mpu->i2c[0]);
351 i2c_create_slave(bus, "aer915", 0x55);
352 wm = i2c_create_slave(bus, "wm8750", 0x1b);
353 mpu->i2s->opaque = wm;
354 mpu->i2s->codec_out = wm8750_dac_dat;
355 mpu->i2s->codec_in = wm8750_adc_dat;
356 wm8750_data_req_set(wm, mpu->i2s->data_req, mpu->i2s);
357
358 qdev_connect_gpio_out(mpu->gpio, Z2_GPIO_LCD_CS,
359 qemu_allocate_irqs(z2_lcd_cs, z2_lcd, 1)[0]);
360
361 if (kernel_filename) {
362 z2_binfo.kernel_filename = kernel_filename;
363 z2_binfo.kernel_cmdline = kernel_cmdline;
364 z2_binfo.initrd_filename = initrd_filename;
365 z2_binfo.board_id = 0x6dd;
366 arm_load_kernel(mpu->cpu, &z2_binfo);
367 }
368}
369
370static QEMUMachine z2_machine = {
371 .name = "z2",
372 .desc = "Zipit Z2 (PXA27x)",
373 .init = z2_init,
374};
375
376static void z2_machine_init(void)
377{
378 qemu_register_machine(&z2_machine);
379}
380
381machine_init(z2_machine_init);
382
