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14#include "qemu/osdep.h"
15#include "hw/hw.h"
16#include "hw/arm/pxa.h"
17#include "hw/arm/arm.h"
18#include "hw/devices.h"
19#include "hw/i2c/i2c.h"
20#include "hw/ssi/ssi.h"
21#include "hw/boards.h"
22#include "sysemu/sysemu.h"
23#include "hw/block/flash.h"
24#include "sysemu/block-backend.h"
25#include "ui/console.h"
26#include "audio/audio.h"
27#include "exec/address-spaces.h"
28#include "sysemu/qtest.h"
29
30#ifdef DEBUG_Z2
31#define DPRINTF(fmt, ...) \
32 printf(fmt, ## __VA_ARGS__)
33#else
34#define DPRINTF(fmt, ...)
35#endif
36
37static const struct keymap map[0x100] = {
38 [0 ... 0xff] = { -1, -1 },
39 [0x3b] = {0, 0},
40 [0xc8] = {0, 1},
41 [0xd0] = {0, 2},
42 [0xcb] = {0, 3},
43 [0xcd] = {0, 4},
44 [0xcf] = {0, 5},
45 [0x0d] = {0, 6},
46 [0xc7] = {1, 0},
47 [0x10] = {1, 1},
48 [0x17] = {1, 2},
49 [0x22] = {1, 3},
50 [0x2d] = {1, 4},
51 [0x1c] = {1, 5},
52 [0x0c] = {1, 6},
53 [0xc9] = {2, 0},
54 [0x11] = {2, 1},
55 [0x18] = {2, 2},
56 [0x23] = {2, 3},
57 [0x2e] = {2, 4},
58 [0x38] = {2, 5},
59 [0xd1] = {3, 0},
60 [0x12] = {3, 1},
61 [0x19] = {3, 2},
62 [0x24] = {3, 3},
63 [0x2f] = {3, 4},
64 [0x2a] = {3, 5},
65 [0x01] = {4, 0},
66 [0x13] = {4, 1},
67 [0x1e] = {4, 2},
68 [0x25] = {4, 3},
69 [0x30] = {4, 4},
70 [0x1d] = {4, 5},
71 [0x0f] = {5, 0},
72 [0x14] = {5, 1},
73 [0x1f] = {5, 2},
74 [0x26] = {5, 3},
75 [0x31] = {5, 4},
76 [0x39] = {5, 5},
77 [0x3c] = {6, 0},
78 [0x15] = {6, 1},
79 [0x20] = {6, 2},
80 [0x0e] = {6, 3},
81 [0x32] = {6, 4},
82 [0x33] = {6, 5},
83 [0x3d] = {7, 0},
84 [0x16] = {7, 1},
85 [0x21] = {7, 2},
86 [0x2c] = {7, 3},
87 [0x27] = {7, 4},
88 [0x34] = {7, 5},
89};
90
91#define Z2_RAM_SIZE 0x02000000
92#define Z2_FLASH_BASE 0x00000000
93#define Z2_FLASH_SIZE 0x00800000
94
95static struct arm_boot_info z2_binfo = {
96 .loader_start = PXA2XX_SDRAM_BASE,
97 .ram_size = Z2_RAM_SIZE,
98};
99
100#define Z2_GPIO_SD_DETECT 96
101#define Z2_GPIO_AC_IN 0
102#define Z2_GPIO_KEY_ON 1
103#define Z2_GPIO_LCD_CS 88
104
105typedef struct {
106 SSISlave ssidev;
107 int32_t selected;
108 int32_t enabled;
109 uint8_t buf[3];
110 uint32_t cur_reg;
111 int pos;
112} ZipitLCD;
113
114static uint32_t zipit_lcd_transfer(SSISlave *dev, uint32_t value)
115{
116 ZipitLCD *z = FROM_SSI_SLAVE(ZipitLCD, dev);
117 uint16_t val;
118 if (z->selected) {
119 z->buf[z->pos] = value & 0xff;
120 z->pos++;
121 }
122 if (z->pos == 3) {
123 switch (z->buf[0]) {
124 case 0x74:
125 DPRINTF("%s: reg: 0x%.2x\n", __func__, z->buf[2]);
126 z->cur_reg = z->buf[2];
127 break;
128 case 0x76:
129 val = z->buf[1] << 8 | z->buf[2];
130 DPRINTF("%s: value: 0x%.4x\n", __func__, val);
131 if (z->cur_reg == 0x22 && val == 0x0000) {
132 z->enabled = 1;
133 printf("%s: LCD enabled\n", __func__);
134 } else if (z->cur_reg == 0x10 && val == 0x0000) {
135 z->enabled = 0;
136 printf("%s: LCD disabled\n", __func__);
137 }
138 break;
139 default:
140 DPRINTF("%s: unknown command!\n", __func__);
141 break;
142 }
143 z->pos = 0;
144 }
145 return 0;
146}
147
148static void z2_lcd_cs(void *opaque, int line, int level)
149{
150 ZipitLCD *z2_lcd = opaque;
151 z2_lcd->selected = !level;
152}
153
154static void zipit_lcd_realize(SSISlave *dev, Error **errp)
155{
156 ZipitLCD *z = FROM_SSI_SLAVE(ZipitLCD, dev);
157 z->selected = 0;
158 z->enabled = 0;
159 z->pos = 0;
160}
161
162static VMStateDescription vmstate_zipit_lcd_state = {
163 .name = "zipit-lcd",
164 .version_id = 2,
165 .minimum_version_id = 2,
166 .fields = (VMStateField[]) {
167 VMSTATE_SSI_SLAVE(ssidev, ZipitLCD),
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->realize = zipit_lcd_realize;
183 k->transfer = zipit_lcd_transfer;
184 dc->vmsd = &vmstate_zipit_lcd_state;
185}
186
187static const 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
194#define TYPE_AER915 "aer915"
195#define AER915(obj) OBJECT_CHECK(AER915State, (obj), TYPE_AER915)
196
197typedef struct AER915State {
198 I2CSlave parent_obj;
199
200 int len;
201 uint8_t buf[3];
202} AER915State;
203
204static int aer915_send(I2CSlave *i2c, uint8_t data)
205{
206 AER915State *s = AER915(i2c);
207
208 s->buf[s->len] = data;
209 if (s->len++ > 2) {
210 DPRINTF("%s: message too long (%i bytes)\n",
211 __func__, s->len);
212 return 1;
213 }
214
215 if (s->len == 2) {
216 DPRINTF("%s: reg %d value 0x%02x\n", __func__,
217 s->buf[0], s->buf[1]);
218 }
219
220 return 0;
221}
222
223static void aer915_event(I2CSlave *i2c, enum i2c_event event)
224{
225 AER915State *s = AER915(i2c);
226
227 switch (event) {
228 case I2C_START_SEND:
229 s->len = 0;
230 break;
231 case I2C_START_RECV:
232 if (s->len != 1) {
233 DPRINTF("%s: short message!?\n", __func__);
234 }
235 break;
236 case I2C_FINISH:
237 break;
238 default:
239 break;
240 }
241}
242
243static int aer915_recv(I2CSlave *slave)
244{
245 AER915State *s = AER915(slave);
246 int retval = 0x00;
247
248 switch (s->buf[0]) {
249
250
251
252 case 0x02:
253 retval = 0xf0;
254 break;
255
256
257
258
259 default:
260 break;
261 }
262
263 return retval;
264}
265
266static int aer915_init(I2CSlave *i2c)
267{
268
269 return 0;
270}
271
272static VMStateDescription vmstate_aer915_state = {
273 .name = "aer915",
274 .version_id = 1,
275 .minimum_version_id = 1,
276 .fields = (VMStateField[]) {
277 VMSTATE_INT32(len, AER915State),
278 VMSTATE_BUFFER(buf, AER915State),
279 VMSTATE_END_OF_LIST(),
280 }
281};
282
283static void aer915_class_init(ObjectClass *klass, void *data)
284{
285 DeviceClass *dc = DEVICE_CLASS(klass);
286 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
287
288 k->init = aer915_init;
289 k->event = aer915_event;
290 k->recv = aer915_recv;
291 k->send = aer915_send;
292 dc->vmsd = &vmstate_aer915_state;
293}
294
295static const TypeInfo aer915_info = {
296 .name = TYPE_AER915,
297 .parent = TYPE_I2C_SLAVE,
298 .instance_size = sizeof(AER915State),
299 .class_init = aer915_class_init,
300};
301
302static void z2_init(MachineState *machine)
303{
304 const char *cpu_model = machine->cpu_model;
305 const char *kernel_filename = machine->kernel_filename;
306 const char *kernel_cmdline = machine->kernel_cmdline;
307 const char *initrd_filename = machine->initrd_filename;
308 MemoryRegion *address_space_mem = get_system_memory();
309 uint32_t sector_len = 0x10000;
310 PXA2xxState *mpu;
311 DriveInfo *dinfo;
312 int be;
313 void *z2_lcd;
314 I2CBus *bus;
315 DeviceState *wm;
316
317 if (!cpu_model) {
318 cpu_model = "pxa270-c5";
319 }
320
321
322 mpu = pxa270_init(address_space_mem, z2_binfo.ram_size, cpu_model);
323
324#ifdef TARGET_WORDS_BIGENDIAN
325 be = 1;
326#else
327 be = 0;
328#endif
329 dinfo = drive_get(IF_PFLASH, 0, 0);
330 if (!dinfo && !qtest_enabled()) {
331 fprintf(stderr, "Flash image must be given with the "
332 "'pflash' parameter\n");
333 exit(1);
334 }
335
336 if (!pflash_cfi01_register(Z2_FLASH_BASE,
337 NULL, "z2.flash0", Z2_FLASH_SIZE,
338 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
339 sector_len, Z2_FLASH_SIZE / sector_len,
340 4, 0, 0, 0, 0, be)) {
341 fprintf(stderr, "qemu: Error registering flash memory.\n");
342 exit(1);
343 }
344
345
346 pxa27x_register_keypad(mpu->kp, map, 0x100);
347
348
349 pxa2xx_mmci_handlers(mpu->mmc,
350 NULL,
351 qdev_get_gpio_in(mpu->gpio, Z2_GPIO_SD_DETECT));
352
353 type_register_static(&zipit_lcd_info);
354 type_register_static(&aer915_info);
355 z2_lcd = ssi_create_slave(mpu->ssp[1], "zipit-lcd");
356 bus = pxa2xx_i2c_bus(mpu->i2c[0]);
357 i2c_create_slave(bus, TYPE_AER915, 0x55);
358 wm = i2c_create_slave(bus, "wm8750", 0x1b);
359 mpu->i2s->opaque = wm;
360 mpu->i2s->codec_out = wm8750_dac_dat;
361 mpu->i2s->codec_in = wm8750_adc_dat;
362 wm8750_data_req_set(wm, mpu->i2s->data_req, mpu->i2s);
363
364 qdev_connect_gpio_out(mpu->gpio, Z2_GPIO_LCD_CS,
365 qemu_allocate_irq(z2_lcd_cs, z2_lcd, 0));
366
367 z2_binfo.kernel_filename = kernel_filename;
368 z2_binfo.kernel_cmdline = kernel_cmdline;
369 z2_binfo.initrd_filename = initrd_filename;
370 z2_binfo.board_id = 0x6dd;
371 arm_load_kernel(mpu->cpu, &z2_binfo);
372}
373
374static void z2_machine_init(MachineClass *mc)
375{
376 mc->desc = "Zipit Z2 (PXA27x)";
377 mc->init = z2_init;
378}
379
380DEFINE_MACHINE("z2", z2_machine_init)
381
