xref: /qemu/hw/arm/nseries.c (revision 5b76dd13)
1 /*
2  * Nokia N-series internet tablets.
3  *
4  * Copyright (C) 2007 Nokia Corporation
5  * Written by Andrzej Zaborowski <andrew@openedhand.com>
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 or
10  * (at your option) version 3 of the License.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #include "qemu/osdep.h"
22 #include "qapi/error.h"
23 #include "cpu.h"
24 #include "qemu/cutils.h"
25 #include "qemu/bswap.h"
26 #include "sysemu/sysemu.h"
27 #include "hw/arm/omap.h"
28 #include "hw/arm/arm.h"
29 #include "hw/irq.h"
30 #include "ui/console.h"
31 #include "hw/boards.h"
32 #include "hw/i2c/i2c.h"
33 #include "hw/devices.h"
34 #include "hw/block/flash.h"
35 #include "hw/hw.h"
36 #include "hw/bt.h"
37 #include "hw/loader.h"
38 #include "hw/sysbus.h"
39 #include "qemu/log.h"
40 #include "exec/address-spaces.h"
41 
42 /* Nokia N8x0 support */
43 struct n800_s {
44     struct omap_mpu_state_s *mpu;
45 
46     struct rfbi_chip_s blizzard;
47     struct {
48         void *opaque;
49         uint32_t (*txrx)(void *opaque, uint32_t value, int len);
50         uWireSlave *chip;
51     } ts;
52 
53     int keymap[0x80];
54     DeviceState *kbd;
55 
56     DeviceState *usb;
57     void *retu;
58     void *tahvo;
59     DeviceState *nand;
60 };
61 
62 /* GPIO pins */
63 #define N8X0_TUSB_ENABLE_GPIO		0
64 #define N800_MMC2_WP_GPIO		8
65 #define N800_UNKNOWN_GPIO0		9	/* out */
66 #define N810_MMC2_VIOSD_GPIO		9
67 #define N810_HEADSET_AMP_GPIO		10
68 #define N800_CAM_TURN_GPIO		12
69 #define N810_GPS_RESET_GPIO		12
70 #define N800_BLIZZARD_POWERDOWN_GPIO	15
71 #define N800_MMC1_WP_GPIO		23
72 #define N810_MMC2_VSD_GPIO		23
73 #define N8X0_ONENAND_GPIO		26
74 #define N810_BLIZZARD_RESET_GPIO	30
75 #define N800_UNKNOWN_GPIO2		53	/* out */
76 #define N8X0_TUSB_INT_GPIO		58
77 #define N8X0_BT_WKUP_GPIO		61
78 #define N8X0_STI_GPIO			62
79 #define N8X0_CBUS_SEL_GPIO		64
80 #define N8X0_CBUS_DAT_GPIO		65
81 #define N8X0_CBUS_CLK_GPIO		66
82 #define N8X0_WLAN_IRQ_GPIO		87
83 #define N8X0_BT_RESET_GPIO		92
84 #define N8X0_TEA5761_CS_GPIO		93
85 #define N800_UNKNOWN_GPIO		94
86 #define N810_TSC_RESET_GPIO		94
87 #define N800_CAM_ACT_GPIO		95
88 #define N810_GPS_WAKEUP_GPIO		95
89 #define N8X0_MMC_CS_GPIO		96
90 #define N8X0_WLAN_PWR_GPIO		97
91 #define N8X0_BT_HOST_WKUP_GPIO		98
92 #define N810_SPEAKER_AMP_GPIO		101
93 #define N810_KB_LOCK_GPIO		102
94 #define N800_TSC_TS_GPIO		103
95 #define N810_TSC_TS_GPIO		106
96 #define N8X0_HEADPHONE_GPIO		107
97 #define N8X0_RETU_GPIO			108
98 #define N800_TSC_KP_IRQ_GPIO		109
99 #define N810_KEYBOARD_GPIO		109
100 #define N800_BAT_COVER_GPIO		110
101 #define N810_SLIDE_GPIO			110
102 #define N8X0_TAHVO_GPIO			111
103 #define N800_UNKNOWN_GPIO4		112	/* out */
104 #define N810_SLEEPX_LED_GPIO		112
105 #define N800_TSC_RESET_GPIO		118	/* ? */
106 #define N810_AIC33_RESET_GPIO		118
107 #define N800_TSC_UNKNOWN_GPIO		119	/* out */
108 #define N8X0_TMP105_GPIO		125
109 
110 /* Config */
111 #define BT_UART				0
112 #define XLDR_LL_UART			1
113 
114 /* Addresses on the I2C bus 0 */
115 #define N810_TLV320AIC33_ADDR		0x18	/* Audio CODEC */
116 #define N8X0_TCM825x_ADDR		0x29	/* Camera */
117 #define N810_LP5521_ADDR		0x32	/* LEDs */
118 #define N810_TSL2563_ADDR		0x3d	/* Light sensor */
119 #define N810_LM8323_ADDR		0x45	/* Keyboard */
120 /* Addresses on the I2C bus 1 */
121 #define N8X0_TMP105_ADDR		0x48	/* Temperature sensor */
122 #define N8X0_MENELAUS_ADDR		0x72	/* Power management */
123 
124 /* Chipselects on GPMC NOR interface */
125 #define N8X0_ONENAND_CS			0
126 #define N8X0_USB_ASYNC_CS		1
127 #define N8X0_USB_SYNC_CS		4
128 
129 #define N8X0_BD_ADDR			0x00, 0x1a, 0x89, 0x9e, 0x3e, 0x81
130 
131 static void n800_mmc_cs_cb(void *opaque, int line, int level)
132 {
133     /* TODO: this seems to actually be connected to the menelaus, to
134      * which also both MMC slots connect.  */
135     omap_mmc_enable((struct omap_mmc_s *) opaque, !level);
136 }
137 
138 static void n8x0_gpio_setup(struct n800_s *s)
139 {
140     qdev_connect_gpio_out(s->mpu->gpio, N8X0_MMC_CS_GPIO,
141                           qemu_allocate_irq(n800_mmc_cs_cb, s->mpu->mmc, 0));
142     qemu_irq_lower(qdev_get_gpio_in(s->mpu->gpio, N800_BAT_COVER_GPIO));
143 }
144 
145 #define MAEMO_CAL_HEADER(...)				\
146     'C',  'o',  'n',  'F',  0x02, 0x00, 0x04, 0x00,	\
147     __VA_ARGS__,					\
148     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
149 
150 static const uint8_t n8x0_cal_wlan_mac[] = {
151     MAEMO_CAL_HEADER('w', 'l', 'a', 'n', '-', 'm', 'a', 'c')
152     0x1c, 0x00, 0x00, 0x00, 0x47, 0xd6, 0x69, 0xb3,
153     0x30, 0x08, 0xa0, 0x83, 0x00, 0x00, 0x00, 0x00,
154     0x00, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x00, 0x00,
155     0x89, 0x00, 0x00, 0x00, 0x9e, 0x00, 0x00, 0x00,
156     0x5d, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00,
157 };
158 
159 static const uint8_t n8x0_cal_bt_id[] = {
160     MAEMO_CAL_HEADER('b', 't', '-', 'i', 'd', 0, 0, 0)
161     0x0a, 0x00, 0x00, 0x00, 0xa3, 0x4b, 0xf6, 0x96,
162     0xa8, 0xeb, 0xb2, 0x41, 0x00, 0x00, 0x00, 0x00,
163     N8X0_BD_ADDR,
164 };
165 
166 static void n8x0_nand_setup(struct n800_s *s)
167 {
168     char *otp_region;
169     DriveInfo *dinfo;
170 
171     s->nand = qdev_create(NULL, "onenand");
172     qdev_prop_set_uint16(s->nand, "manufacturer_id", NAND_MFR_SAMSUNG);
173     /* Either 0x40 or 0x48 are OK for the device ID */
174     qdev_prop_set_uint16(s->nand, "device_id", 0x48);
175     qdev_prop_set_uint16(s->nand, "version_id", 0);
176     qdev_prop_set_int32(s->nand, "shift", 1);
177     dinfo = drive_get(IF_MTD, 0, 0);
178     if (dinfo) {
179         qdev_prop_set_drive(s->nand, "drive", blk_by_legacy_dinfo(dinfo),
180                             &error_fatal);
181     }
182     qdev_init_nofail(s->nand);
183     sysbus_connect_irq(SYS_BUS_DEVICE(s->nand), 0,
184                        qdev_get_gpio_in(s->mpu->gpio, N8X0_ONENAND_GPIO));
185     omap_gpmc_attach(s->mpu->gpmc, N8X0_ONENAND_CS,
186                      sysbus_mmio_get_region(SYS_BUS_DEVICE(s->nand), 0));
187     otp_region = onenand_raw_otp(s->nand);
188 
189     memcpy(otp_region + 0x000, n8x0_cal_wlan_mac, sizeof(n8x0_cal_wlan_mac));
190     memcpy(otp_region + 0x800, n8x0_cal_bt_id, sizeof(n8x0_cal_bt_id));
191     /* XXX: in theory should also update the OOB for both pages */
192 }
193 
194 static qemu_irq n8x0_system_powerdown;
195 
196 static void n8x0_powerdown_req(Notifier *n, void *opaque)
197 {
198     qemu_irq_raise(n8x0_system_powerdown);
199 }
200 
201 static Notifier n8x0_system_powerdown_notifier = {
202     .notify = n8x0_powerdown_req
203 };
204 
205 static void n8x0_i2c_setup(struct n800_s *s)
206 {
207     DeviceState *dev;
208     qemu_irq tmp_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_TMP105_GPIO);
209     I2CBus *i2c = omap_i2c_bus(s->mpu->i2c[0]);
210 
211     /* Attach a menelaus PM chip */
212     dev = i2c_create_slave(i2c, "twl92230", N8X0_MENELAUS_ADDR);
213     qdev_connect_gpio_out(dev, 3,
214                           qdev_get_gpio_in(s->mpu->ih[0],
215                                            OMAP_INT_24XX_SYS_NIRQ));
216 
217     n8x0_system_powerdown = qdev_get_gpio_in(dev, 3);
218     qemu_register_powerdown_notifier(&n8x0_system_powerdown_notifier);
219 
220     /* Attach a TMP105 PM chip (A0 wired to ground) */
221     dev = i2c_create_slave(i2c, "tmp105", N8X0_TMP105_ADDR);
222     qdev_connect_gpio_out(dev, 0, tmp_irq);
223 }
224 
225 /* Touchscreen and keypad controller */
226 static MouseTransformInfo n800_pointercal = {
227     .x = 800,
228     .y = 480,
229     .a = { 14560, -68, -3455208, -39, -9621, 35152972, 65536 },
230 };
231 
232 static MouseTransformInfo n810_pointercal = {
233     .x = 800,
234     .y = 480,
235     .a = { 15041, 148, -4731056, 171, -10238, 35933380, 65536 },
236 };
237 
238 #define RETU_KEYCODE	61	/* F3 */
239 
240 static void n800_key_event(void *opaque, int keycode)
241 {
242     struct n800_s *s = (struct n800_s *) opaque;
243     int code = s->keymap[keycode & 0x7f];
244 
245     if (code == -1) {
246         if ((keycode & 0x7f) == RETU_KEYCODE) {
247             retu_key_event(s->retu, !(keycode & 0x80));
248         }
249         return;
250     }
251 
252     tsc210x_key_event(s->ts.chip, code, !(keycode & 0x80));
253 }
254 
255 static const int n800_keys[16] = {
256     -1,
257     72,	/* Up */
258     63,	/* Home (F5) */
259     -1,
260     75,	/* Left */
261     28,	/* Enter */
262     77,	/* Right */
263     -1,
264      1,	/* Cycle (ESC) */
265     80,	/* Down */
266     62,	/* Menu (F4) */
267     -1,
268     66,	/* Zoom- (F8) */
269     64,	/* FullScreen (F6) */
270     65,	/* Zoom+ (F7) */
271     -1,
272 };
273 
274 static void n800_tsc_kbd_setup(struct n800_s *s)
275 {
276     int i;
277 
278     /* XXX: are the three pins inverted inside the chip between the
279      * tsc and the cpu (N4111)?  */
280     qemu_irq penirq = NULL;	/* NC */
281     qemu_irq kbirq = qdev_get_gpio_in(s->mpu->gpio, N800_TSC_KP_IRQ_GPIO);
282     qemu_irq dav = qdev_get_gpio_in(s->mpu->gpio, N800_TSC_TS_GPIO);
283 
284     s->ts.chip = tsc2301_init(penirq, kbirq, dav);
285     s->ts.opaque = s->ts.chip->opaque;
286     s->ts.txrx = tsc210x_txrx;
287 
288     for (i = 0; i < 0x80; i++) {
289         s->keymap[i] = -1;
290     }
291     for (i = 0; i < 0x10; i++) {
292         if (n800_keys[i] >= 0) {
293             s->keymap[n800_keys[i]] = i;
294         }
295     }
296 
297     qemu_add_kbd_event_handler(n800_key_event, s);
298 
299     tsc210x_set_transform(s->ts.chip, &n800_pointercal);
300 }
301 
302 static void n810_tsc_setup(struct n800_s *s)
303 {
304     qemu_irq pintdav = qdev_get_gpio_in(s->mpu->gpio, N810_TSC_TS_GPIO);
305 
306     s->ts.opaque = tsc2005_init(pintdav);
307     s->ts.txrx = tsc2005_txrx;
308 
309     tsc2005_set_transform(s->ts.opaque, &n810_pointercal);
310 }
311 
312 /* N810 Keyboard controller */
313 static void n810_key_event(void *opaque, int keycode)
314 {
315     struct n800_s *s = (struct n800_s *) opaque;
316     int code = s->keymap[keycode & 0x7f];
317 
318     if (code == -1) {
319         if ((keycode & 0x7f) == RETU_KEYCODE) {
320             retu_key_event(s->retu, !(keycode & 0x80));
321         }
322         return;
323     }
324 
325     lm832x_key_event(s->kbd, code, !(keycode & 0x80));
326 }
327 
328 #define M	0
329 
330 static int n810_keys[0x80] = {
331     [0x01] = 16,	/* Q */
332     [0x02] = 37,	/* K */
333     [0x03] = 24,	/* O */
334     [0x04] = 25,	/* P */
335     [0x05] = 14,	/* Backspace */
336     [0x06] = 30,	/* A */
337     [0x07] = 31,	/* S */
338     [0x08] = 32,	/* D */
339     [0x09] = 33,	/* F */
340     [0x0a] = 34,	/* G */
341     [0x0b] = 35,	/* H */
342     [0x0c] = 36,	/* J */
343 
344     [0x11] = 17,	/* W */
345     [0x12] = 62,	/* Menu (F4) */
346     [0x13] = 38,	/* L */
347     [0x14] = 40,	/* ' (Apostrophe) */
348     [0x16] = 44,	/* Z */
349     [0x17] = 45,	/* X */
350     [0x18] = 46,	/* C */
351     [0x19] = 47,	/* V */
352     [0x1a] = 48,	/* B */
353     [0x1b] = 49,	/* N */
354     [0x1c] = 42,	/* Shift (Left shift) */
355     [0x1f] = 65,	/* Zoom+ (F7) */
356 
357     [0x21] = 18,	/* E */
358     [0x22] = 39,	/* ; (Semicolon) */
359     [0x23] = 12,	/* - (Minus) */
360     [0x24] = 13,	/* = (Equal) */
361     [0x2b] = 56,	/* Fn (Left Alt) */
362     [0x2c] = 50,	/* M */
363     [0x2f] = 66,	/* Zoom- (F8) */
364 
365     [0x31] = 19,	/* R */
366     [0x32] = 29 | M,	/* Right Ctrl */
367     [0x34] = 57,	/* Space */
368     [0x35] = 51,	/* , (Comma) */
369     [0x37] = 72 | M,	/* Up */
370     [0x3c] = 82 | M,	/* Compose (Insert) */
371     [0x3f] = 64,	/* FullScreen (F6) */
372 
373     [0x41] = 20,	/* T */
374     [0x44] = 52,	/* . (Dot) */
375     [0x46] = 77 | M,	/* Right */
376     [0x4f] = 63,	/* Home (F5) */
377     [0x51] = 21,	/* Y */
378     [0x53] = 80 | M,	/* Down */
379     [0x55] = 28,	/* Enter */
380     [0x5f] =  1,	/* Cycle (ESC) */
381 
382     [0x61] = 22,	/* U */
383     [0x64] = 75 | M,	/* Left */
384 
385     [0x71] = 23,	/* I */
386 #if 0
387     [0x75] = 28 | M,	/* KP Enter (KP Enter) */
388 #else
389     [0x75] = 15,	/* KP Enter (Tab) */
390 #endif
391 };
392 
393 #undef M
394 
395 static void n810_kbd_setup(struct n800_s *s)
396 {
397     qemu_irq kbd_irq = qdev_get_gpio_in(s->mpu->gpio, N810_KEYBOARD_GPIO);
398     int i;
399 
400     for (i = 0; i < 0x80; i++) {
401         s->keymap[i] = -1;
402     }
403     for (i = 0; i < 0x80; i++) {
404         if (n810_keys[i] > 0) {
405             s->keymap[n810_keys[i]] = i;
406         }
407     }
408 
409     qemu_add_kbd_event_handler(n810_key_event, s);
410 
411     /* Attach the LM8322 keyboard to the I2C bus,
412      * should happen in n8x0_i2c_setup and s->kbd be initialised here.  */
413     s->kbd = i2c_create_slave(omap_i2c_bus(s->mpu->i2c[0]),
414                            "lm8323", N810_LM8323_ADDR);
415     qdev_connect_gpio_out(s->kbd, 0, kbd_irq);
416 }
417 
418 /* LCD MIPI DBI-C controller (URAL) */
419 struct mipid_s {
420     int resp[4];
421     int param[4];
422     int p;
423     int pm;
424     int cmd;
425 
426     int sleep;
427     int booster;
428     int te;
429     int selfcheck;
430     int partial;
431     int normal;
432     int vscr;
433     int invert;
434     int onoff;
435     int gamma;
436     uint32_t id;
437 };
438 
439 static void mipid_reset(struct mipid_s *s)
440 {
441     s->pm = 0;
442     s->cmd = 0;
443 
444     s->sleep = 1;
445     s->booster = 0;
446     s->selfcheck =
447             (1 << 7) |	/* Register loading OK.  */
448             (1 << 5) |	/* The chip is attached.  */
449             (1 << 4);	/* Display glass still in one piece.  */
450     s->te = 0;
451     s->partial = 0;
452     s->normal = 1;
453     s->vscr = 0;
454     s->invert = 0;
455     s->onoff = 1;
456     s->gamma = 0;
457 }
458 
459 static uint32_t mipid_txrx(void *opaque, uint32_t cmd, int len)
460 {
461     struct mipid_s *s = (struct mipid_s *) opaque;
462     uint8_t ret;
463 
464     if (len > 9) {
465         hw_error("%s: FIXME: bad SPI word width %i\n", __func__, len);
466     }
467 
468     if (s->p >= ARRAY_SIZE(s->resp)) {
469         ret = 0;
470     } else {
471         ret = s->resp[s->p++];
472     }
473     if (s->pm-- > 0) {
474         s->param[s->pm] = cmd;
475     } else {
476         s->cmd = cmd;
477     }
478 
479     switch (s->cmd) {
480     case 0x00:	/* NOP */
481         break;
482 
483     case 0x01:	/* SWRESET */
484         mipid_reset(s);
485         break;
486 
487     case 0x02:	/* BSTROFF */
488         s->booster = 0;
489         break;
490     case 0x03:	/* BSTRON */
491         s->booster = 1;
492         break;
493 
494     case 0x04:	/* RDDID */
495         s->p = 0;
496         s->resp[0] = (s->id >> 16) & 0xff;
497         s->resp[1] = (s->id >>  8) & 0xff;
498         s->resp[2] = (s->id >>  0) & 0xff;
499         break;
500 
501     case 0x06:	/* RD_RED */
502     case 0x07:	/* RD_GREEN */
503         /* XXX the bootloader sometimes issues RD_BLUE meaning RDDID so
504          * for the bootloader one needs to change this.  */
505     case 0x08:	/* RD_BLUE */
506         s->p = 0;
507         /* TODO: return first pixel components */
508         s->resp[0] = 0x01;
509         break;
510 
511     case 0x09:	/* RDDST */
512         s->p = 0;
513         s->resp[0] = s->booster << 7;
514         s->resp[1] = (5 << 4) | (s->partial << 2) |
515                 (s->sleep << 1) | s->normal;
516         s->resp[2] = (s->vscr << 7) | (s->invert << 5) |
517                 (s->onoff << 2) | (s->te << 1) | (s->gamma >> 2);
518         s->resp[3] = s->gamma << 6;
519         break;
520 
521     case 0x0a:	/* RDDPM */
522         s->p = 0;
523         s->resp[0] = (s->onoff << 2) | (s->normal << 3) | (s->sleep << 4) |
524                 (s->partial << 5) | (s->sleep << 6) | (s->booster << 7);
525         break;
526     case 0x0b:	/* RDDMADCTR */
527         s->p = 0;
528         s->resp[0] = 0;
529         break;
530     case 0x0c:	/* RDDCOLMOD */
531         s->p = 0;
532         s->resp[0] = 5;	/* 65K colours */
533         break;
534     case 0x0d:	/* RDDIM */
535         s->p = 0;
536         s->resp[0] = (s->invert << 5) | (s->vscr << 7) | s->gamma;
537         break;
538     case 0x0e:	/* RDDSM */
539         s->p = 0;
540         s->resp[0] = s->te << 7;
541         break;
542     case 0x0f:	/* RDDSDR */
543         s->p = 0;
544         s->resp[0] = s->selfcheck;
545         break;
546 
547     case 0x10:	/* SLPIN */
548         s->sleep = 1;
549         break;
550     case 0x11:	/* SLPOUT */
551         s->sleep = 0;
552         s->selfcheck ^= 1 << 6;	/* POFF self-diagnosis Ok */
553         break;
554 
555     case 0x12:	/* PTLON */
556         s->partial = 1;
557         s->normal = 0;
558         s->vscr = 0;
559         break;
560     case 0x13:	/* NORON */
561         s->partial = 0;
562         s->normal = 1;
563         s->vscr = 0;
564         break;
565 
566     case 0x20:	/* INVOFF */
567         s->invert = 0;
568         break;
569     case 0x21:	/* INVON */
570         s->invert = 1;
571         break;
572 
573     case 0x22:	/* APOFF */
574     case 0x23:	/* APON */
575         goto bad_cmd;
576 
577     case 0x25:	/* WRCNTR */
578         if (s->pm < 0) {
579             s->pm = 1;
580         }
581         goto bad_cmd;
582 
583     case 0x26:	/* GAMSET */
584         if (!s->pm) {
585             s->gamma = ctz32(s->param[0] & 0xf);
586             if (s->gamma == 32) {
587                 s->gamma = -1; /* XXX: should this be 0? */
588             }
589         } else if (s->pm < 0) {
590             s->pm = 1;
591         }
592         break;
593 
594     case 0x28:	/* DISPOFF */
595         s->onoff = 0;
596         break;
597     case 0x29:	/* DISPON */
598         s->onoff = 1;
599         break;
600 
601     case 0x2a:	/* CASET */
602     case 0x2b:	/* RASET */
603     case 0x2c:	/* RAMWR */
604     case 0x2d:	/* RGBSET */
605     case 0x2e:	/* RAMRD */
606     case 0x30:	/* PTLAR */
607     case 0x33:	/* SCRLAR */
608         goto bad_cmd;
609 
610     case 0x34:	/* TEOFF */
611         s->te = 0;
612         break;
613     case 0x35:	/* TEON */
614         if (!s->pm) {
615             s->te = 1;
616         } else if (s->pm < 0) {
617             s->pm = 1;
618         }
619         break;
620 
621     case 0x36:	/* MADCTR */
622         goto bad_cmd;
623 
624     case 0x37:	/* VSCSAD */
625         s->partial = 0;
626         s->normal = 0;
627         s->vscr = 1;
628         break;
629 
630     case 0x38:	/* IDMOFF */
631     case 0x39:	/* IDMON */
632     case 0x3a:	/* COLMOD */
633         goto bad_cmd;
634 
635     case 0xb0:	/* CLKINT / DISCTL */
636     case 0xb1:	/* CLKEXT */
637         if (s->pm < 0) {
638             s->pm = 2;
639         }
640         break;
641 
642     case 0xb4:	/* FRMSEL */
643         break;
644 
645     case 0xb5:	/* FRM8SEL */
646     case 0xb6:	/* TMPRNG / INIESC */
647     case 0xb7:	/* TMPHIS / NOP2 */
648     case 0xb8:	/* TMPREAD / MADCTL */
649     case 0xba:	/* DISTCTR */
650     case 0xbb:	/* EPVOL */
651         goto bad_cmd;
652 
653     case 0xbd:	/* Unknown */
654         s->p = 0;
655         s->resp[0] = 0;
656         s->resp[1] = 1;
657         break;
658 
659     case 0xc2:	/* IFMOD */
660         if (s->pm < 0) {
661             s->pm = 2;
662         }
663         break;
664 
665     case 0xc6:	/* PWRCTL */
666     case 0xc7:	/* PPWRCTL */
667     case 0xd0:	/* EPWROUT */
668     case 0xd1:	/* EPWRIN */
669     case 0xd4:	/* RDEV */
670     case 0xd5:	/* RDRR */
671         goto bad_cmd;
672 
673     case 0xda:	/* RDID1 */
674         s->p = 0;
675         s->resp[0] = (s->id >> 16) & 0xff;
676         break;
677     case 0xdb:	/* RDID2 */
678         s->p = 0;
679         s->resp[0] = (s->id >>  8) & 0xff;
680         break;
681     case 0xdc:	/* RDID3 */
682         s->p = 0;
683         s->resp[0] = (s->id >>  0) & 0xff;
684         break;
685 
686     default:
687     bad_cmd:
688         qemu_log_mask(LOG_GUEST_ERROR,
689                       "%s: unknown command %02x\n", __func__, s->cmd);
690         break;
691     }
692 
693     return ret;
694 }
695 
696 static void *mipid_init(void)
697 {
698     struct mipid_s *s = (struct mipid_s *) g_malloc0(sizeof(*s));
699 
700     s->id = 0x838f03;
701     mipid_reset(s);
702 
703     return s;
704 }
705 
706 static void n8x0_spi_setup(struct n800_s *s)
707 {
708     void *tsc = s->ts.opaque;
709     void *mipid = mipid_init();
710 
711     omap_mcspi_attach(s->mpu->mcspi[0], s->ts.txrx, tsc, 0);
712     omap_mcspi_attach(s->mpu->mcspi[0], mipid_txrx, mipid, 1);
713 }
714 
715 /* This task is normally performed by the bootloader.  If we're loading
716  * a kernel directly, we need to enable the Blizzard ourselves.  */
717 static void n800_dss_init(struct rfbi_chip_s *chip)
718 {
719     uint8_t *fb_blank;
720 
721     chip->write(chip->opaque, 0, 0x2a);		/* LCD Width register */
722     chip->write(chip->opaque, 1, 0x64);
723     chip->write(chip->opaque, 0, 0x2c);		/* LCD HNDP register */
724     chip->write(chip->opaque, 1, 0x1e);
725     chip->write(chip->opaque, 0, 0x2e);		/* LCD Height 0 register */
726     chip->write(chip->opaque, 1, 0xe0);
727     chip->write(chip->opaque, 0, 0x30);		/* LCD Height 1 register */
728     chip->write(chip->opaque, 1, 0x01);
729     chip->write(chip->opaque, 0, 0x32);		/* LCD VNDP register */
730     chip->write(chip->opaque, 1, 0x06);
731     chip->write(chip->opaque, 0, 0x68);		/* Display Mode register */
732     chip->write(chip->opaque, 1, 1);		/* Enable bit */
733 
734     chip->write(chip->opaque, 0, 0x6c);
735     chip->write(chip->opaque, 1, 0x00);		/* Input X Start Position */
736     chip->write(chip->opaque, 1, 0x00);		/* Input X Start Position */
737     chip->write(chip->opaque, 1, 0x00);		/* Input Y Start Position */
738     chip->write(chip->opaque, 1, 0x00);		/* Input Y Start Position */
739     chip->write(chip->opaque, 1, 0x1f);		/* Input X End Position */
740     chip->write(chip->opaque, 1, 0x03);		/* Input X End Position */
741     chip->write(chip->opaque, 1, 0xdf);		/* Input Y End Position */
742     chip->write(chip->opaque, 1, 0x01);		/* Input Y End Position */
743     chip->write(chip->opaque, 1, 0x00);		/* Output X Start Position */
744     chip->write(chip->opaque, 1, 0x00);		/* Output X Start Position */
745     chip->write(chip->opaque, 1, 0x00);		/* Output Y Start Position */
746     chip->write(chip->opaque, 1, 0x00);		/* Output Y Start Position */
747     chip->write(chip->opaque, 1, 0x1f);		/* Output X End Position */
748     chip->write(chip->opaque, 1, 0x03);		/* Output X End Position */
749     chip->write(chip->opaque, 1, 0xdf);		/* Output Y End Position */
750     chip->write(chip->opaque, 1, 0x01);		/* Output Y End Position */
751     chip->write(chip->opaque, 1, 0x01);		/* Input Data Format */
752     chip->write(chip->opaque, 1, 0x01);		/* Data Source Select */
753 
754     fb_blank = memset(g_malloc(800 * 480 * 2), 0xff, 800 * 480 * 2);
755     /* Display Memory Data Port */
756     chip->block(chip->opaque, 1, fb_blank, 800 * 480 * 2, 800);
757     g_free(fb_blank);
758 }
759 
760 static void n8x0_dss_setup(struct n800_s *s)
761 {
762     s->blizzard.opaque = s1d13745_init(NULL);
763     s->blizzard.block = s1d13745_write_block;
764     s->blizzard.write = s1d13745_write;
765     s->blizzard.read = s1d13745_read;
766 
767     omap_rfbi_attach(s->mpu->dss, 0, &s->blizzard);
768 }
769 
770 static void n8x0_cbus_setup(struct n800_s *s)
771 {
772     qemu_irq dat_out = qdev_get_gpio_in(s->mpu->gpio, N8X0_CBUS_DAT_GPIO);
773     qemu_irq retu_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_RETU_GPIO);
774     qemu_irq tahvo_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_TAHVO_GPIO);
775 
776     CBus *cbus = cbus_init(dat_out);
777 
778     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_CLK_GPIO, cbus->clk);
779     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_DAT_GPIO, cbus->dat);
780     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_SEL_GPIO, cbus->sel);
781 
782     cbus_attach(cbus, s->retu = retu_init(retu_irq, 1));
783     cbus_attach(cbus, s->tahvo = tahvo_init(tahvo_irq, 1));
784 }
785 
786 static void n8x0_uart_setup(struct n800_s *s)
787 {
788     Chardev *radio = uart_hci_init();
789 
790     qdev_connect_gpio_out(s->mpu->gpio, N8X0_BT_RESET_GPIO,
791                     csrhci_pins_get(radio)[csrhci_pin_reset]);
792     qdev_connect_gpio_out(s->mpu->gpio, N8X0_BT_WKUP_GPIO,
793                     csrhci_pins_get(radio)[csrhci_pin_wakeup]);
794 
795     omap_uart_attach(s->mpu->uart[BT_UART], radio);
796 }
797 
798 static void n8x0_usb_setup(struct n800_s *s)
799 {
800     SysBusDevice *dev;
801     s->usb = qdev_create(NULL, "tusb6010");
802     dev = SYS_BUS_DEVICE(s->usb);
803     qdev_init_nofail(s->usb);
804     sysbus_connect_irq(dev, 0,
805                        qdev_get_gpio_in(s->mpu->gpio, N8X0_TUSB_INT_GPIO));
806     /* Using the NOR interface */
807     omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_ASYNC_CS,
808                      sysbus_mmio_get_region(dev, 0));
809     omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_SYNC_CS,
810                      sysbus_mmio_get_region(dev, 1));
811     qdev_connect_gpio_out(s->mpu->gpio, N8X0_TUSB_ENABLE_GPIO,
812                           qdev_get_gpio_in(s->usb, 0)); /* tusb_pwr */
813 }
814 
815 /* Setup done before the main bootloader starts by some early setup code
816  * - used when we want to run the main bootloader in emulation.  This
817  * isn't documented.  */
818 static uint32_t n800_pinout[104] = {
819     0x080f00d8, 0x00d40808, 0x03080808, 0x080800d0,
820     0x00dc0808, 0x0b0f0f00, 0x080800b4, 0x00c00808,
821     0x08080808, 0x180800c4, 0x00b80000, 0x08080808,
822     0x080800bc, 0x00cc0808, 0x08081818, 0x18180128,
823     0x01241800, 0x18181818, 0x000000f0, 0x01300000,
824     0x00001b0b, 0x1b0f0138, 0x00e0181b, 0x1b031b0b,
825     0x180f0078, 0x00740018, 0x0f0f0f1a, 0x00000080,
826     0x007c0000, 0x00000000, 0x00000088, 0x00840000,
827     0x00000000, 0x00000094, 0x00980300, 0x0f180003,
828     0x0000008c, 0x00900f0f, 0x0f0f1b00, 0x0f00009c,
829     0x01140000, 0x1b1b0f18, 0x0818013c, 0x01400008,
830     0x00001818, 0x000b0110, 0x010c1800, 0x0b030b0f,
831     0x181800f4, 0x00f81818, 0x00000018, 0x000000fc,
832     0x00401808, 0x00000000, 0x0f1b0030, 0x003c0008,
833     0x00000000, 0x00000038, 0x00340000, 0x00000000,
834     0x1a080070, 0x00641a1a, 0x08080808, 0x08080060,
835     0x005c0808, 0x08080808, 0x08080058, 0x00540808,
836     0x08080808, 0x0808006c, 0x00680808, 0x08080808,
837     0x000000a8, 0x00b00000, 0x08080808, 0x000000a0,
838     0x00a40000, 0x00000000, 0x08ff0050, 0x004c0808,
839     0xffffffff, 0xffff0048, 0x0044ffff, 0xffffffff,
840     0x000000ac, 0x01040800, 0x08080b0f, 0x18180100,
841     0x01081818, 0x0b0b1808, 0x1a0300e4, 0x012c0b1a,
842     0x02020018, 0x0b000134, 0x011c0800, 0x0b1b1b00,
843     0x0f0000c8, 0x00ec181b, 0x000f0f02, 0x00180118,
844     0x01200000, 0x0f0b1b1b, 0x0f0200e8, 0x0000020b,
845 };
846 
847 static void n800_setup_nolo_tags(void *sram_base)
848 {
849     int i;
850     uint32_t *p = sram_base + 0x8000;
851     uint32_t *v = sram_base + 0xa000;
852 
853     memset(p, 0, 0x3000);
854 
855     strcpy((void *) (p + 0), "QEMU N800");
856 
857     strcpy((void *) (p + 8), "F5");
858 
859     stl_p(p + 10, 0x04f70000);
860     strcpy((void *) (p + 9), "RX-34");
861 
862     /* RAM size in MB? */
863     stl_p(p + 12, 0x80);
864 
865     /* Pointer to the list of tags */
866     stl_p(p + 13, OMAP2_SRAM_BASE + 0x9000);
867 
868     /* The NOLO tags start here */
869     p = sram_base + 0x9000;
870 #define ADD_TAG(tag, len)				\
871     stw_p((uint16_t *) p + 0, tag);			\
872     stw_p((uint16_t *) p + 1, len); p++;		\
873     stl_p(p++, OMAP2_SRAM_BASE | (((void *) v - sram_base) & 0xffff));
874 
875     /* OMAP STI console? Pin out settings? */
876     ADD_TAG(0x6e01, 414);
877     for (i = 0; i < ARRAY_SIZE(n800_pinout); i++) {
878         stl_p(v++, n800_pinout[i]);
879     }
880 
881     /* Kernel memsize? */
882     ADD_TAG(0x6e05, 1);
883     stl_p(v++, 2);
884 
885     /* NOLO serial console */
886     ADD_TAG(0x6e02, 4);
887     stl_p(v++, XLDR_LL_UART);		/* UART number (1 - 3) */
888 
889 #if 0
890     /* CBUS settings (Retu/AVilma) */
891     ADD_TAG(0x6e03, 6);
892     stw_p((uint16_t *) v + 0, 65);	/* CBUS GPIO0 */
893     stw_p((uint16_t *) v + 1, 66);	/* CBUS GPIO1 */
894     stw_p((uint16_t *) v + 2, 64);	/* CBUS GPIO2 */
895     v += 2;
896 #endif
897 
898     /* Nokia ASIC BB5 (Retu/Tahvo) */
899     ADD_TAG(0x6e0a, 4);
900     stw_p((uint16_t *) v + 0, 111);	/* "Retu" interrupt GPIO */
901     stw_p((uint16_t *) v + 1, 108);	/* "Tahvo" interrupt GPIO */
902     v++;
903 
904     /* LCD console? */
905     ADD_TAG(0x6e04, 4);
906     stw_p((uint16_t *) v + 0, 30);	/* ??? */
907     stw_p((uint16_t *) v + 1, 24);	/* ??? */
908     v++;
909 
910 #if 0
911     /* LCD settings */
912     ADD_TAG(0x6e06, 2);
913     stw_p((uint16_t *) (v++), 15);	/* ??? */
914 #endif
915 
916     /* I^2C (Menelaus) */
917     ADD_TAG(0x6e07, 4);
918     stl_p(v++, 0x00720000);		/* ??? */
919 
920     /* Unknown */
921     ADD_TAG(0x6e0b, 6);
922     stw_p((uint16_t *) v + 0, 94);	/* ??? */
923     stw_p((uint16_t *) v + 1, 23);	/* ??? */
924     stw_p((uint16_t *) v + 2, 0);	/* ??? */
925     v += 2;
926 
927     /* OMAP gpio switch info */
928     ADD_TAG(0x6e0c, 80);
929     strcpy((void *) v, "bat_cover");	v += 3;
930     stw_p((uint16_t *) v + 0, 110);	/* GPIO num ??? */
931     stw_p((uint16_t *) v + 1, 1);	/* GPIO num ??? */
932     v += 2;
933     strcpy((void *) v, "cam_act");	v += 3;
934     stw_p((uint16_t *) v + 0, 95);	/* GPIO num ??? */
935     stw_p((uint16_t *) v + 1, 32);	/* GPIO num ??? */
936     v += 2;
937     strcpy((void *) v, "cam_turn");	v += 3;
938     stw_p((uint16_t *) v + 0, 12);	/* GPIO num ??? */
939     stw_p((uint16_t *) v + 1, 33);	/* GPIO num ??? */
940     v += 2;
941     strcpy((void *) v, "headphone");	v += 3;
942     stw_p((uint16_t *) v + 0, 107);	/* GPIO num ??? */
943     stw_p((uint16_t *) v + 1, 17);	/* GPIO num ??? */
944     v += 2;
945 
946     /* Bluetooth */
947     ADD_TAG(0x6e0e, 12);
948     stl_p(v++, 0x5c623d01);		/* ??? */
949     stl_p(v++, 0x00000201);		/* ??? */
950     stl_p(v++, 0x00000000);		/* ??? */
951 
952     /* CX3110x WLAN settings */
953     ADD_TAG(0x6e0f, 8);
954     stl_p(v++, 0x00610025);		/* ??? */
955     stl_p(v++, 0xffff0057);		/* ??? */
956 
957     /* MMC host settings */
958     ADD_TAG(0x6e10, 12);
959     stl_p(v++, 0xffff000f);		/* ??? */
960     stl_p(v++, 0xffffffff);		/* ??? */
961     stl_p(v++, 0x00000060);		/* ??? */
962 
963     /* OneNAND chip select */
964     ADD_TAG(0x6e11, 10);
965     stl_p(v++, 0x00000401);		/* ??? */
966     stl_p(v++, 0x0002003a);		/* ??? */
967     stl_p(v++, 0x00000002);		/* ??? */
968 
969     /* TEA5761 sensor settings */
970     ADD_TAG(0x6e12, 2);
971     stl_p(v++, 93);			/* GPIO num ??? */
972 
973 #if 0
974     /* Unknown tag */
975     ADD_TAG(6e09, 0);
976 
977     /* Kernel UART / console */
978     ADD_TAG(6e12, 0);
979 #endif
980 
981     /* End of the list */
982     stl_p(p++, 0x00000000);
983     stl_p(p++, 0x00000000);
984 }
985 
986 /* This task is normally performed by the bootloader.  If we're loading
987  * a kernel directly, we need to set up GPMC mappings ourselves.  */
988 static void n800_gpmc_init(struct n800_s *s)
989 {
990     uint32_t config7 =
991             (0xf << 8) |	/* MASKADDRESS */
992             (1 << 6) |		/* CSVALID */
993             (4 << 0);		/* BASEADDRESS */
994 
995     cpu_physical_memory_write(0x6800a078,		/* GPMC_CONFIG7_0 */
996                               &config7, sizeof(config7));
997 }
998 
999 /* Setup sequence done by the bootloader */
1000 static void n8x0_boot_init(void *opaque)
1001 {
1002     struct n800_s *s = (struct n800_s *) opaque;
1003     uint32_t buf;
1004 
1005     /* PRCM setup */
1006 #define omap_writel(addr, val)	\
1007     buf = (val);			\
1008     cpu_physical_memory_write(addr, &buf, sizeof(buf))
1009 
1010     omap_writel(0x48008060, 0x41);		/* PRCM_CLKSRC_CTRL */
1011     omap_writel(0x48008070, 1);			/* PRCM_CLKOUT_CTRL */
1012     omap_writel(0x48008078, 0);			/* PRCM_CLKEMUL_CTRL */
1013     omap_writel(0x48008090, 0);			/* PRCM_VOLTSETUP */
1014     omap_writel(0x48008094, 0);			/* PRCM_CLKSSETUP */
1015     omap_writel(0x48008098, 0);			/* PRCM_POLCTRL */
1016     omap_writel(0x48008140, 2);			/* CM_CLKSEL_MPU */
1017     omap_writel(0x48008148, 0);			/* CM_CLKSTCTRL_MPU */
1018     omap_writel(0x48008158, 1);			/* RM_RSTST_MPU */
1019     omap_writel(0x480081c8, 0x15);		/* PM_WKDEP_MPU */
1020     omap_writel(0x480081d4, 0x1d4);		/* PM_EVGENCTRL_MPU */
1021     omap_writel(0x480081d8, 0);			/* PM_EVEGENONTIM_MPU */
1022     omap_writel(0x480081dc, 0);			/* PM_EVEGENOFFTIM_MPU */
1023     omap_writel(0x480081e0, 0xc);		/* PM_PWSTCTRL_MPU */
1024     omap_writel(0x48008200, 0x047e7ff7);	/* CM_FCLKEN1_CORE */
1025     omap_writel(0x48008204, 0x00000004);	/* CM_FCLKEN2_CORE */
1026     omap_writel(0x48008210, 0x047e7ff1);	/* CM_ICLKEN1_CORE */
1027     omap_writel(0x48008214, 0x00000004);	/* CM_ICLKEN2_CORE */
1028     omap_writel(0x4800821c, 0x00000000);	/* CM_ICLKEN4_CORE */
1029     omap_writel(0x48008230, 0);			/* CM_AUTOIDLE1_CORE */
1030     omap_writel(0x48008234, 0);			/* CM_AUTOIDLE2_CORE */
1031     omap_writel(0x48008238, 7);			/* CM_AUTOIDLE3_CORE */
1032     omap_writel(0x4800823c, 0);			/* CM_AUTOIDLE4_CORE */
1033     omap_writel(0x48008240, 0x04360626);	/* CM_CLKSEL1_CORE */
1034     omap_writel(0x48008244, 0x00000014);	/* CM_CLKSEL2_CORE */
1035     omap_writel(0x48008248, 0);			/* CM_CLKSTCTRL_CORE */
1036     omap_writel(0x48008300, 0x00000000);	/* CM_FCLKEN_GFX */
1037     omap_writel(0x48008310, 0x00000000);	/* CM_ICLKEN_GFX */
1038     omap_writel(0x48008340, 0x00000001);	/* CM_CLKSEL_GFX */
1039     omap_writel(0x48008400, 0x00000004);	/* CM_FCLKEN_WKUP */
1040     omap_writel(0x48008410, 0x00000004);	/* CM_ICLKEN_WKUP */
1041     omap_writel(0x48008440, 0x00000000);	/* CM_CLKSEL_WKUP */
1042     omap_writel(0x48008500, 0x000000cf);	/* CM_CLKEN_PLL */
1043     omap_writel(0x48008530, 0x0000000c);	/* CM_AUTOIDLE_PLL */
1044     omap_writel(0x48008540,			/* CM_CLKSEL1_PLL */
1045                     (0x78 << 12) | (6 << 8));
1046     omap_writel(0x48008544, 2);			/* CM_CLKSEL2_PLL */
1047 
1048     /* GPMC setup */
1049     n800_gpmc_init(s);
1050 
1051     /* Video setup */
1052     n800_dss_init(&s->blizzard);
1053 
1054     /* CPU setup */
1055     s->mpu->cpu->env.GE = 0x5;
1056 
1057     /* If the machine has a slided keyboard, open it */
1058     if (s->kbd) {
1059         qemu_irq_raise(qdev_get_gpio_in(s->mpu->gpio, N810_SLIDE_GPIO));
1060     }
1061 }
1062 
1063 #define OMAP_TAG_NOKIA_BT	0x4e01
1064 #define OMAP_TAG_WLAN_CX3110X	0x4e02
1065 #define OMAP_TAG_CBUS		0x4e03
1066 #define OMAP_TAG_EM_ASIC_BB5	0x4e04
1067 
1068 static struct omap_gpiosw_info_s {
1069     const char *name;
1070     int line;
1071     int type;
1072 } n800_gpiosw_info[] = {
1073     {
1074         "bat_cover", N800_BAT_COVER_GPIO,
1075         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1076     }, {
1077         "cam_act", N800_CAM_ACT_GPIO,
1078         OMAP_GPIOSW_TYPE_ACTIVITY,
1079     }, {
1080         "cam_turn", N800_CAM_TURN_GPIO,
1081         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_INVERTED,
1082     }, {
1083         "headphone", N8X0_HEADPHONE_GPIO,
1084         OMAP_GPIOSW_TYPE_CONNECTION | OMAP_GPIOSW_INVERTED,
1085     },
1086     { NULL }
1087 }, n810_gpiosw_info[] = {
1088     {
1089         "gps_reset", N810_GPS_RESET_GPIO,
1090         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_OUTPUT,
1091     }, {
1092         "gps_wakeup", N810_GPS_WAKEUP_GPIO,
1093         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_OUTPUT,
1094     }, {
1095         "headphone", N8X0_HEADPHONE_GPIO,
1096         OMAP_GPIOSW_TYPE_CONNECTION | OMAP_GPIOSW_INVERTED,
1097     }, {
1098         "kb_lock", N810_KB_LOCK_GPIO,
1099         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1100     }, {
1101         "sleepx_led", N810_SLEEPX_LED_GPIO,
1102         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_INVERTED | OMAP_GPIOSW_OUTPUT,
1103     }, {
1104         "slide", N810_SLIDE_GPIO,
1105         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1106     },
1107     { NULL }
1108 };
1109 
1110 static struct omap_partition_info_s {
1111     uint32_t offset;
1112     uint32_t size;
1113     int mask;
1114     const char *name;
1115 } n800_part_info[] = {
1116     { 0x00000000, 0x00020000, 0x3, "bootloader" },
1117     { 0x00020000, 0x00060000, 0x0, "config" },
1118     { 0x00080000, 0x00200000, 0x0, "kernel" },
1119     { 0x00280000, 0x00200000, 0x3, "initfs" },
1120     { 0x00480000, 0x0fb80000, 0x3, "rootfs" },
1121 
1122     { 0, 0, 0, NULL }
1123 }, n810_part_info[] = {
1124     { 0x00000000, 0x00020000, 0x3, "bootloader" },
1125     { 0x00020000, 0x00060000, 0x0, "config" },
1126     { 0x00080000, 0x00220000, 0x0, "kernel" },
1127     { 0x002a0000, 0x00400000, 0x0, "initfs" },
1128     { 0x006a0000, 0x0f960000, 0x0, "rootfs" },
1129 
1130     { 0, 0, 0, NULL }
1131 };
1132 
1133 static bdaddr_t n8x0_bd_addr = {{ N8X0_BD_ADDR }};
1134 
1135 static int n8x0_atag_setup(void *p, int model)
1136 {
1137     uint8_t *b;
1138     uint16_t *w;
1139     uint32_t *l;
1140     struct omap_gpiosw_info_s *gpiosw;
1141     struct omap_partition_info_s *partition;
1142     const char *tag;
1143 
1144     w = p;
1145 
1146     stw_p(w++, OMAP_TAG_UART);			/* u16 tag */
1147     stw_p(w++, 4);				/* u16 len */
1148     stw_p(w++, (1 << 2) | (1 << 1) | (1 << 0)); /* uint enabled_uarts */
1149     w++;
1150 
1151 #if 0
1152     stw_p(w++, OMAP_TAG_SERIAL_CONSOLE);	/* u16 tag */
1153     stw_p(w++, 4);				/* u16 len */
1154     stw_p(w++, XLDR_LL_UART + 1);		/* u8 console_uart */
1155     stw_p(w++, 115200);				/* u32 console_speed */
1156 #endif
1157 
1158     stw_p(w++, OMAP_TAG_LCD);			/* u16 tag */
1159     stw_p(w++, 36);				/* u16 len */
1160     strcpy((void *) w, "QEMU LCD panel");	/* char panel_name[16] */
1161     w += 8;
1162     strcpy((void *) w, "blizzard");		/* char ctrl_name[16] */
1163     w += 8;
1164     stw_p(w++, N810_BLIZZARD_RESET_GPIO);	/* TODO: n800 s16 nreset_gpio */
1165     stw_p(w++, 24);				/* u8 data_lines */
1166 
1167     stw_p(w++, OMAP_TAG_CBUS);			/* u16 tag */
1168     stw_p(w++, 8);				/* u16 len */
1169     stw_p(w++, N8X0_CBUS_CLK_GPIO);		/* s16 clk_gpio */
1170     stw_p(w++, N8X0_CBUS_DAT_GPIO);		/* s16 dat_gpio */
1171     stw_p(w++, N8X0_CBUS_SEL_GPIO);		/* s16 sel_gpio */
1172     w++;
1173 
1174     stw_p(w++, OMAP_TAG_EM_ASIC_BB5);		/* u16 tag */
1175     stw_p(w++, 4);				/* u16 len */
1176     stw_p(w++, N8X0_RETU_GPIO);			/* s16 retu_irq_gpio */
1177     stw_p(w++, N8X0_TAHVO_GPIO);		/* s16 tahvo_irq_gpio */
1178 
1179     gpiosw = (model == 810) ? n810_gpiosw_info : n800_gpiosw_info;
1180     for (; gpiosw->name; gpiosw++) {
1181         stw_p(w++, OMAP_TAG_GPIO_SWITCH);	/* u16 tag */
1182         stw_p(w++, 20);				/* u16 len */
1183         strcpy((void *) w, gpiosw->name);	/* char name[12] */
1184         w += 6;
1185         stw_p(w++, gpiosw->line);		/* u16 gpio */
1186         stw_p(w++, gpiosw->type);
1187         stw_p(w++, 0);
1188         stw_p(w++, 0);
1189     }
1190 
1191     stw_p(w++, OMAP_TAG_NOKIA_BT);		/* u16 tag */
1192     stw_p(w++, 12);				/* u16 len */
1193     b = (void *) w;
1194     stb_p(b++, 0x01);				/* u8 chip_type	(CSR) */
1195     stb_p(b++, N8X0_BT_WKUP_GPIO);		/* u8 bt_wakeup_gpio */
1196     stb_p(b++, N8X0_BT_HOST_WKUP_GPIO);		/* u8 host_wakeup_gpio */
1197     stb_p(b++, N8X0_BT_RESET_GPIO);		/* u8 reset_gpio */
1198     stb_p(b++, BT_UART + 1);			/* u8 bt_uart */
1199     memcpy(b, &n8x0_bd_addr, 6);		/* u8 bd_addr[6] */
1200     b += 6;
1201     stb_p(b++, 0x02);				/* u8 bt_sysclk (38.4) */
1202     w = (void *) b;
1203 
1204     stw_p(w++, OMAP_TAG_WLAN_CX3110X);		/* u16 tag */
1205     stw_p(w++, 8);				/* u16 len */
1206     stw_p(w++, 0x25);				/* u8 chip_type */
1207     stw_p(w++, N8X0_WLAN_PWR_GPIO);		/* s16 power_gpio */
1208     stw_p(w++, N8X0_WLAN_IRQ_GPIO);		/* s16 irq_gpio */
1209     stw_p(w++, -1);				/* s16 spi_cs_gpio */
1210 
1211     stw_p(w++, OMAP_TAG_MMC);			/* u16 tag */
1212     stw_p(w++, 16);				/* u16 len */
1213     if (model == 810) {
1214         stw_p(w++, 0x23f);			/* unsigned flags */
1215         stw_p(w++, -1);				/* s16 power_pin */
1216         stw_p(w++, -1);				/* s16 switch_pin */
1217         stw_p(w++, -1);				/* s16 wp_pin */
1218         stw_p(w++, 0x240);			/* unsigned flags */
1219         stw_p(w++, 0xc000);			/* s16 power_pin */
1220         stw_p(w++, 0x0248);			/* s16 switch_pin */
1221         stw_p(w++, 0xc000);			/* s16 wp_pin */
1222     } else {
1223         stw_p(w++, 0xf);			/* unsigned flags */
1224         stw_p(w++, -1);				/* s16 power_pin */
1225         stw_p(w++, -1);				/* s16 switch_pin */
1226         stw_p(w++, -1);				/* s16 wp_pin */
1227         stw_p(w++, 0);				/* unsigned flags */
1228         stw_p(w++, 0);				/* s16 power_pin */
1229         stw_p(w++, 0);				/* s16 switch_pin */
1230         stw_p(w++, 0);				/* s16 wp_pin */
1231     }
1232 
1233     stw_p(w++, OMAP_TAG_TEA5761);		/* u16 tag */
1234     stw_p(w++, 4);				/* u16 len */
1235     stw_p(w++, N8X0_TEA5761_CS_GPIO);		/* u16 enable_gpio */
1236     w++;
1237 
1238     partition = (model == 810) ? n810_part_info : n800_part_info;
1239     for (; partition->name; partition++) {
1240         stw_p(w++, OMAP_TAG_PARTITION);		/* u16 tag */
1241         stw_p(w++, 28);				/* u16 len */
1242         strcpy((void *) w, partition->name);	/* char name[16] */
1243         l = (void *) (w + 8);
1244         stl_p(l++, partition->size);		/* unsigned int size */
1245         stl_p(l++, partition->offset);		/* unsigned int offset */
1246         stl_p(l++, partition->mask);		/* unsigned int mask_flags */
1247         w = (void *) l;
1248     }
1249 
1250     stw_p(w++, OMAP_TAG_BOOT_REASON);		/* u16 tag */
1251     stw_p(w++, 12);				/* u16 len */
1252 #if 0
1253     strcpy((void *) w, "por");			/* char reason_str[12] */
1254     strcpy((void *) w, "charger");		/* char reason_str[12] */
1255     strcpy((void *) w, "32wd_to");		/* char reason_str[12] */
1256     strcpy((void *) w, "sw_rst");		/* char reason_str[12] */
1257     strcpy((void *) w, "mbus");			/* char reason_str[12] */
1258     strcpy((void *) w, "unknown");		/* char reason_str[12] */
1259     strcpy((void *) w, "swdg_to");		/* char reason_str[12] */
1260     strcpy((void *) w, "sec_vio");		/* char reason_str[12] */
1261     strcpy((void *) w, "pwr_key");		/* char reason_str[12] */
1262     strcpy((void *) w, "rtc_alarm");		/* char reason_str[12] */
1263 #else
1264     strcpy((void *) w, "pwr_key");		/* char reason_str[12] */
1265 #endif
1266     w += 6;
1267 
1268     tag = (model == 810) ? "RX-44" : "RX-34";
1269     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1270     stw_p(w++, 24);				/* u16 len */
1271     strcpy((void *) w, "product");		/* char component[12] */
1272     w += 6;
1273     strcpy((void *) w, tag);			/* char version[12] */
1274     w += 6;
1275 
1276     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1277     stw_p(w++, 24);				/* u16 len */
1278     strcpy((void *) w, "hw-build");		/* char component[12] */
1279     w += 6;
1280     strcpy((void *) w, "QEMU ");
1281     pstrcat((void *) w, 12, qemu_hw_version()); /* char version[12] */
1282     w += 6;
1283 
1284     tag = (model == 810) ? "1.1.10-qemu" : "1.1.6-qemu";
1285     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1286     stw_p(w++, 24);				/* u16 len */
1287     strcpy((void *) w, "nolo");			/* char component[12] */
1288     w += 6;
1289     strcpy((void *) w, tag);			/* char version[12] */
1290     w += 6;
1291 
1292     return (void *) w - p;
1293 }
1294 
1295 static int n800_atag_setup(const struct arm_boot_info *info, void *p)
1296 {
1297     return n8x0_atag_setup(p, 800);
1298 }
1299 
1300 static int n810_atag_setup(const struct arm_boot_info *info, void *p)
1301 {
1302     return n8x0_atag_setup(p, 810);
1303 }
1304 
1305 static void n8x0_init(MachineState *machine,
1306                       struct arm_boot_info *binfo, int model)
1307 {
1308     MemoryRegion *sysmem = get_system_memory();
1309     struct n800_s *s = (struct n800_s *) g_malloc0(sizeof(*s));
1310     int sdram_size = binfo->ram_size;
1311 
1312     s->mpu = omap2420_mpu_init(sysmem, sdram_size, machine->cpu_type);
1313 
1314     /* Setup peripherals
1315      *
1316      * Believed external peripherals layout in the N810:
1317      * (spi bus 1)
1318      *   tsc2005
1319      *   lcd_mipid
1320      * (spi bus 2)
1321      *   Conexant cx3110x (WLAN)
1322      *   optional: pc2400m (WiMAX)
1323      * (i2c bus 0)
1324      *   TLV320AIC33 (audio codec)
1325      *   TCM825x (camera by Toshiba)
1326      *   lp5521 (clever LEDs)
1327      *   tsl2563 (light sensor, hwmon, model 7, rev. 0)
1328      *   lm8323 (keypad, manf 00, rev 04)
1329      * (i2c bus 1)
1330      *   tmp105 (temperature sensor, hwmon)
1331      *   menelaus (pm)
1332      * (somewhere on i2c - maybe N800-only)
1333      *   tea5761 (FM tuner)
1334      * (serial 0)
1335      *   GPS
1336      * (some serial port)
1337      *   csr41814 (Bluetooth)
1338      */
1339     n8x0_gpio_setup(s);
1340     n8x0_nand_setup(s);
1341     n8x0_i2c_setup(s);
1342     if (model == 800) {
1343         n800_tsc_kbd_setup(s);
1344     } else if (model == 810) {
1345         n810_tsc_setup(s);
1346         n810_kbd_setup(s);
1347     }
1348     n8x0_spi_setup(s);
1349     n8x0_dss_setup(s);
1350     n8x0_cbus_setup(s);
1351     n8x0_uart_setup(s);
1352     if (machine_usb(machine)) {
1353         n8x0_usb_setup(s);
1354     }
1355 
1356     if (machine->kernel_filename) {
1357         /* Or at the linux loader.  */
1358         binfo->kernel_filename = machine->kernel_filename;
1359         binfo->kernel_cmdline = machine->kernel_cmdline;
1360         binfo->initrd_filename = machine->initrd_filename;
1361         arm_load_kernel(s->mpu->cpu, binfo);
1362 
1363         qemu_register_reset(n8x0_boot_init, s);
1364     }
1365 
1366     if (option_rom[0].name &&
1367         (machine->boot_order[0] == 'n' || !machine->kernel_filename)) {
1368         uint8_t *nolo_tags = g_new(uint8_t, 0x10000);
1369         /* No, wait, better start at the ROM.  */
1370         s->mpu->cpu->env.regs[15] = OMAP2_Q2_BASE + 0x400000;
1371 
1372         /* This is intended for loading the `secondary.bin' program from
1373          * Nokia images (the NOLO bootloader).  The entry point seems
1374          * to be at OMAP2_Q2_BASE + 0x400000.
1375          *
1376          * The `2nd.bin' files contain some kind of earlier boot code and
1377          * for them the entry point needs to be set to OMAP2_SRAM_BASE.
1378          *
1379          * The code above is for loading the `zImage' file from Nokia
1380          * images.  */
1381         load_image_targphys(option_rom[0].name,
1382                             OMAP2_Q2_BASE + 0x400000,
1383                             sdram_size - 0x400000);
1384 
1385         n800_setup_nolo_tags(nolo_tags);
1386         cpu_physical_memory_write(OMAP2_SRAM_BASE, nolo_tags, 0x10000);
1387         g_free(nolo_tags);
1388     }
1389 }
1390 
1391 static struct arm_boot_info n800_binfo = {
1392     .loader_start = OMAP2_Q2_BASE,
1393     /* Actually two chips of 0x4000000 bytes each */
1394     .ram_size = 0x08000000,
1395     .board_id = 0x4f7,
1396     .atag_board = n800_atag_setup,
1397 };
1398 
1399 static struct arm_boot_info n810_binfo = {
1400     .loader_start = OMAP2_Q2_BASE,
1401     /* Actually two chips of 0x4000000 bytes each */
1402     .ram_size = 0x08000000,
1403     /* 0x60c and 0x6bf (WiMAX Edition) have been assigned but are not
1404      * used by some older versions of the bootloader and 5555 is used
1405      * instead (including versions that shipped with many devices).  */
1406     .board_id = 0x60c,
1407     .atag_board = n810_atag_setup,
1408 };
1409 
1410 static void n800_init(MachineState *machine)
1411 {
1412     n8x0_init(machine, &n800_binfo, 800);
1413 }
1414 
1415 static void n810_init(MachineState *machine)
1416 {
1417     n8x0_init(machine, &n810_binfo, 810);
1418 }
1419 
1420 static void n800_class_init(ObjectClass *oc, void *data)
1421 {
1422     MachineClass *mc = MACHINE_CLASS(oc);
1423 
1424     mc->desc = "Nokia N800 tablet aka. RX-34 (OMAP2420)";
1425     mc->init = n800_init;
1426     mc->default_boot_order = "";
1427     mc->ignore_memory_transaction_failures = true;
1428     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1136-r2");
1429 }
1430 
1431 static const TypeInfo n800_type = {
1432     .name = MACHINE_TYPE_NAME("n800"),
1433     .parent = TYPE_MACHINE,
1434     .class_init = n800_class_init,
1435 };
1436 
1437 static void n810_class_init(ObjectClass *oc, void *data)
1438 {
1439     MachineClass *mc = MACHINE_CLASS(oc);
1440 
1441     mc->desc = "Nokia N810 tablet aka. RX-44 (OMAP2420)";
1442     mc->init = n810_init;
1443     mc->default_boot_order = "";
1444     mc->ignore_memory_transaction_failures = true;
1445     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1136-r2");
1446 }
1447 
1448 static const TypeInfo n810_type = {
1449     .name = MACHINE_TYPE_NAME("n810"),
1450     .parent = TYPE_MACHINE,
1451     .class_init = n810_class_init,
1452 };
1453 
1454 static void nseries_machine_init(void)
1455 {
1456     type_register_static(&n800_type);
1457     type_register_static(&n810_type);
1458 }
1459 
1460 type_init(nseries_machine_init)
1461