xref: /openbmc/qemu/hw/arm/nseries.c (revision 86044b24)
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/reset.h"
27 #include "sysemu/runstate.h"
28 #include "sysemu/sysemu.h"
29 #include "hw/arm/omap.h"
30 #include "hw/arm/boot.h"
31 #include "hw/irq.h"
32 #include "ui/console.h"
33 #include "hw/boards.h"
34 #include "hw/i2c/i2c.h"
35 #include "hw/display/blizzard.h"
36 #include "hw/input/tsc2xxx.h"
37 #include "hw/misc/cbus.h"
38 #include "hw/misc/tmp105.h"
39 #include "hw/qdev-properties.h"
40 #include "hw/block/flash.h"
41 #include "hw/hw.h"
42 #include "hw/bt.h"
43 #include "hw/loader.h"
44 #include "hw/sysbus.h"
45 #include "qemu/log.h"
46 #include "exec/address-spaces.h"
47 
48 /* Nokia N8x0 support */
49 struct n800_s {
50     MemoryRegion sdram;
51     struct omap_mpu_state_s *mpu;
52 
53     struct rfbi_chip_s blizzard;
54     struct {
55         void *opaque;
56         uint32_t (*txrx)(void *opaque, uint32_t value, int len);
57         uWireSlave *chip;
58     } ts;
59 
60     int keymap[0x80];
61     DeviceState *kbd;
62 
63     DeviceState *usb;
64     void *retu;
65     void *tahvo;
66     DeviceState *nand;
67 };
68 
69 /* GPIO pins */
70 #define N8X0_TUSB_ENABLE_GPIO		0
71 #define N800_MMC2_WP_GPIO		8
72 #define N800_UNKNOWN_GPIO0		9	/* out */
73 #define N810_MMC2_VIOSD_GPIO		9
74 #define N810_HEADSET_AMP_GPIO		10
75 #define N800_CAM_TURN_GPIO		12
76 #define N810_GPS_RESET_GPIO		12
77 #define N800_BLIZZARD_POWERDOWN_GPIO	15
78 #define N800_MMC1_WP_GPIO		23
79 #define N810_MMC2_VSD_GPIO		23
80 #define N8X0_ONENAND_GPIO		26
81 #define N810_BLIZZARD_RESET_GPIO	30
82 #define N800_UNKNOWN_GPIO2		53	/* out */
83 #define N8X0_TUSB_INT_GPIO		58
84 #define N8X0_BT_WKUP_GPIO		61
85 #define N8X0_STI_GPIO			62
86 #define N8X0_CBUS_SEL_GPIO		64
87 #define N8X0_CBUS_DAT_GPIO		65
88 #define N8X0_CBUS_CLK_GPIO		66
89 #define N8X0_WLAN_IRQ_GPIO		87
90 #define N8X0_BT_RESET_GPIO		92
91 #define N8X0_TEA5761_CS_GPIO		93
92 #define N800_UNKNOWN_GPIO		94
93 #define N810_TSC_RESET_GPIO		94
94 #define N800_CAM_ACT_GPIO		95
95 #define N810_GPS_WAKEUP_GPIO		95
96 #define N8X0_MMC_CS_GPIO		96
97 #define N8X0_WLAN_PWR_GPIO		97
98 #define N8X0_BT_HOST_WKUP_GPIO		98
99 #define N810_SPEAKER_AMP_GPIO		101
100 #define N810_KB_LOCK_GPIO		102
101 #define N800_TSC_TS_GPIO		103
102 #define N810_TSC_TS_GPIO		106
103 #define N8X0_HEADPHONE_GPIO		107
104 #define N8X0_RETU_GPIO			108
105 #define N800_TSC_KP_IRQ_GPIO		109
106 #define N810_KEYBOARD_GPIO		109
107 #define N800_BAT_COVER_GPIO		110
108 #define N810_SLIDE_GPIO			110
109 #define N8X0_TAHVO_GPIO			111
110 #define N800_UNKNOWN_GPIO4		112	/* out */
111 #define N810_SLEEPX_LED_GPIO		112
112 #define N800_TSC_RESET_GPIO		118	/* ? */
113 #define N810_AIC33_RESET_GPIO		118
114 #define N800_TSC_UNKNOWN_GPIO		119	/* out */
115 #define N8X0_TMP105_GPIO		125
116 
117 /* Config */
118 #define BT_UART				0
119 #define XLDR_LL_UART			1
120 
121 /* Addresses on the I2C bus 0 */
122 #define N810_TLV320AIC33_ADDR		0x18	/* Audio CODEC */
123 #define N8X0_TCM825x_ADDR		0x29	/* Camera */
124 #define N810_LP5521_ADDR		0x32	/* LEDs */
125 #define N810_TSL2563_ADDR		0x3d	/* Light sensor */
126 #define N810_LM8323_ADDR		0x45	/* Keyboard */
127 /* Addresses on the I2C bus 1 */
128 #define N8X0_TMP105_ADDR		0x48	/* Temperature sensor */
129 #define N8X0_MENELAUS_ADDR		0x72	/* Power management */
130 
131 /* Chipselects on GPMC NOR interface */
132 #define N8X0_ONENAND_CS			0
133 #define N8X0_USB_ASYNC_CS		1
134 #define N8X0_USB_SYNC_CS		4
135 
136 #define N8X0_BD_ADDR			0x00, 0x1a, 0x89, 0x9e, 0x3e, 0x81
137 
138 static void n800_mmc_cs_cb(void *opaque, int line, int level)
139 {
140     /* TODO: this seems to actually be connected to the menelaus, to
141      * which also both MMC slots connect.  */
142     omap_mmc_enable((struct omap_mmc_s *) opaque, !level);
143 }
144 
145 static void n8x0_gpio_setup(struct n800_s *s)
146 {
147     qdev_connect_gpio_out(s->mpu->gpio, N8X0_MMC_CS_GPIO,
148                           qemu_allocate_irq(n800_mmc_cs_cb, s->mpu->mmc, 0));
149     qemu_irq_lower(qdev_get_gpio_in(s->mpu->gpio, N800_BAT_COVER_GPIO));
150 }
151 
152 #define MAEMO_CAL_HEADER(...)				\
153     'C',  'o',  'n',  'F',  0x02, 0x00, 0x04, 0x00,	\
154     __VA_ARGS__,					\
155     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
156 
157 static const uint8_t n8x0_cal_wlan_mac[] = {
158     MAEMO_CAL_HEADER('w', 'l', 'a', 'n', '-', 'm', 'a', 'c')
159     0x1c, 0x00, 0x00, 0x00, 0x47, 0xd6, 0x69, 0xb3,
160     0x30, 0x08, 0xa0, 0x83, 0x00, 0x00, 0x00, 0x00,
161     0x00, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x00, 0x00,
162     0x89, 0x00, 0x00, 0x00, 0x9e, 0x00, 0x00, 0x00,
163     0x5d, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00,
164 };
165 
166 static const uint8_t n8x0_cal_bt_id[] = {
167     MAEMO_CAL_HEADER('b', 't', '-', 'i', 'd', 0, 0, 0)
168     0x0a, 0x00, 0x00, 0x00, 0xa3, 0x4b, 0xf6, 0x96,
169     0xa8, 0xeb, 0xb2, 0x41, 0x00, 0x00, 0x00, 0x00,
170     N8X0_BD_ADDR,
171 };
172 
173 static void n8x0_nand_setup(struct n800_s *s)
174 {
175     char *otp_region;
176     DriveInfo *dinfo;
177 
178     s->nand = qdev_create(NULL, "onenand");
179     qdev_prop_set_uint16(s->nand, "manufacturer_id", NAND_MFR_SAMSUNG);
180     /* Either 0x40 or 0x48 are OK for the device ID */
181     qdev_prop_set_uint16(s->nand, "device_id", 0x48);
182     qdev_prop_set_uint16(s->nand, "version_id", 0);
183     qdev_prop_set_int32(s->nand, "shift", 1);
184     dinfo = drive_get(IF_MTD, 0, 0);
185     if (dinfo) {
186         qdev_prop_set_drive(s->nand, "drive", blk_by_legacy_dinfo(dinfo),
187                             &error_fatal);
188     }
189     qdev_init_nofail(s->nand);
190     sysbus_connect_irq(SYS_BUS_DEVICE(s->nand), 0,
191                        qdev_get_gpio_in(s->mpu->gpio, N8X0_ONENAND_GPIO));
192     omap_gpmc_attach(s->mpu->gpmc, N8X0_ONENAND_CS,
193                      sysbus_mmio_get_region(SYS_BUS_DEVICE(s->nand), 0));
194     otp_region = onenand_raw_otp(s->nand);
195 
196     memcpy(otp_region + 0x000, n8x0_cal_wlan_mac, sizeof(n8x0_cal_wlan_mac));
197     memcpy(otp_region + 0x800, n8x0_cal_bt_id, sizeof(n8x0_cal_bt_id));
198     /* XXX: in theory should also update the OOB for both pages */
199 }
200 
201 static qemu_irq n8x0_system_powerdown;
202 
203 static void n8x0_powerdown_req(Notifier *n, void *opaque)
204 {
205     qemu_irq_raise(n8x0_system_powerdown);
206 }
207 
208 static Notifier n8x0_system_powerdown_notifier = {
209     .notify = n8x0_powerdown_req
210 };
211 
212 static void n8x0_i2c_setup(struct n800_s *s)
213 {
214     DeviceState *dev;
215     qemu_irq tmp_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_TMP105_GPIO);
216     I2CBus *i2c = omap_i2c_bus(s->mpu->i2c[0]);
217 
218     /* Attach a menelaus PM chip */
219     dev = i2c_create_slave(i2c, "twl92230", N8X0_MENELAUS_ADDR);
220     qdev_connect_gpio_out(dev, 3,
221                           qdev_get_gpio_in(s->mpu->ih[0],
222                                            OMAP_INT_24XX_SYS_NIRQ));
223 
224     n8x0_system_powerdown = qdev_get_gpio_in(dev, 3);
225     qemu_register_powerdown_notifier(&n8x0_system_powerdown_notifier);
226 
227     /* Attach a TMP105 PM chip (A0 wired to ground) */
228     dev = i2c_create_slave(i2c, TYPE_TMP105, N8X0_TMP105_ADDR);
229     qdev_connect_gpio_out(dev, 0, tmp_irq);
230 }
231 
232 /* Touchscreen and keypad controller */
233 static MouseTransformInfo n800_pointercal = {
234     .x = 800,
235     .y = 480,
236     .a = { 14560, -68, -3455208, -39, -9621, 35152972, 65536 },
237 };
238 
239 static MouseTransformInfo n810_pointercal = {
240     .x = 800,
241     .y = 480,
242     .a = { 15041, 148, -4731056, 171, -10238, 35933380, 65536 },
243 };
244 
245 #define RETU_KEYCODE	61	/* F3 */
246 
247 static void n800_key_event(void *opaque, int keycode)
248 {
249     struct n800_s *s = (struct n800_s *) opaque;
250     int code = s->keymap[keycode & 0x7f];
251 
252     if (code == -1) {
253         if ((keycode & 0x7f) == RETU_KEYCODE) {
254             retu_key_event(s->retu, !(keycode & 0x80));
255         }
256         return;
257     }
258 
259     tsc210x_key_event(s->ts.chip, code, !(keycode & 0x80));
260 }
261 
262 static const int n800_keys[16] = {
263     -1,
264     72,	/* Up */
265     63,	/* Home (F5) */
266     -1,
267     75,	/* Left */
268     28,	/* Enter */
269     77,	/* Right */
270     -1,
271      1,	/* Cycle (ESC) */
272     80,	/* Down */
273     62,	/* Menu (F4) */
274     -1,
275     66,	/* Zoom- (F8) */
276     64,	/* FullScreen (F6) */
277     65,	/* Zoom+ (F7) */
278     -1,
279 };
280 
281 static void n800_tsc_kbd_setup(struct n800_s *s)
282 {
283     int i;
284 
285     /* XXX: are the three pins inverted inside the chip between the
286      * tsc and the cpu (N4111)?  */
287     qemu_irq penirq = NULL;	/* NC */
288     qemu_irq kbirq = qdev_get_gpio_in(s->mpu->gpio, N800_TSC_KP_IRQ_GPIO);
289     qemu_irq dav = qdev_get_gpio_in(s->mpu->gpio, N800_TSC_TS_GPIO);
290 
291     s->ts.chip = tsc2301_init(penirq, kbirq, dav);
292     s->ts.opaque = s->ts.chip->opaque;
293     s->ts.txrx = tsc210x_txrx;
294 
295     for (i = 0; i < 0x80; i++) {
296         s->keymap[i] = -1;
297     }
298     for (i = 0; i < 0x10; i++) {
299         if (n800_keys[i] >= 0) {
300             s->keymap[n800_keys[i]] = i;
301         }
302     }
303 
304     qemu_add_kbd_event_handler(n800_key_event, s);
305 
306     tsc210x_set_transform(s->ts.chip, &n800_pointercal);
307 }
308 
309 static void n810_tsc_setup(struct n800_s *s)
310 {
311     qemu_irq pintdav = qdev_get_gpio_in(s->mpu->gpio, N810_TSC_TS_GPIO);
312 
313     s->ts.opaque = tsc2005_init(pintdav);
314     s->ts.txrx = tsc2005_txrx;
315 
316     tsc2005_set_transform(s->ts.opaque, &n810_pointercal);
317 }
318 
319 /* N810 Keyboard controller */
320 static void n810_key_event(void *opaque, int keycode)
321 {
322     struct n800_s *s = (struct n800_s *) opaque;
323     int code = s->keymap[keycode & 0x7f];
324 
325     if (code == -1) {
326         if ((keycode & 0x7f) == RETU_KEYCODE) {
327             retu_key_event(s->retu, !(keycode & 0x80));
328         }
329         return;
330     }
331 
332     lm832x_key_event(s->kbd, code, !(keycode & 0x80));
333 }
334 
335 #define M	0
336 
337 static int n810_keys[0x80] = {
338     [0x01] = 16,	/* Q */
339     [0x02] = 37,	/* K */
340     [0x03] = 24,	/* O */
341     [0x04] = 25,	/* P */
342     [0x05] = 14,	/* Backspace */
343     [0x06] = 30,	/* A */
344     [0x07] = 31,	/* S */
345     [0x08] = 32,	/* D */
346     [0x09] = 33,	/* F */
347     [0x0a] = 34,	/* G */
348     [0x0b] = 35,	/* H */
349     [0x0c] = 36,	/* J */
350 
351     [0x11] = 17,	/* W */
352     [0x12] = 62,	/* Menu (F4) */
353     [0x13] = 38,	/* L */
354     [0x14] = 40,	/* ' (Apostrophe) */
355     [0x16] = 44,	/* Z */
356     [0x17] = 45,	/* X */
357     [0x18] = 46,	/* C */
358     [0x19] = 47,	/* V */
359     [0x1a] = 48,	/* B */
360     [0x1b] = 49,	/* N */
361     [0x1c] = 42,	/* Shift (Left shift) */
362     [0x1f] = 65,	/* Zoom+ (F7) */
363 
364     [0x21] = 18,	/* E */
365     [0x22] = 39,	/* ; (Semicolon) */
366     [0x23] = 12,	/* - (Minus) */
367     [0x24] = 13,	/* = (Equal) */
368     [0x2b] = 56,	/* Fn (Left Alt) */
369     [0x2c] = 50,	/* M */
370     [0x2f] = 66,	/* Zoom- (F8) */
371 
372     [0x31] = 19,	/* R */
373     [0x32] = 29 | M,	/* Right Ctrl */
374     [0x34] = 57,	/* Space */
375     [0x35] = 51,	/* , (Comma) */
376     [0x37] = 72 | M,	/* Up */
377     [0x3c] = 82 | M,	/* Compose (Insert) */
378     [0x3f] = 64,	/* FullScreen (F6) */
379 
380     [0x41] = 20,	/* T */
381     [0x44] = 52,	/* . (Dot) */
382     [0x46] = 77 | M,	/* Right */
383     [0x4f] = 63,	/* Home (F5) */
384     [0x51] = 21,	/* Y */
385     [0x53] = 80 | M,	/* Down */
386     [0x55] = 28,	/* Enter */
387     [0x5f] =  1,	/* Cycle (ESC) */
388 
389     [0x61] = 22,	/* U */
390     [0x64] = 75 | M,	/* Left */
391 
392     [0x71] = 23,	/* I */
393 #if 0
394     [0x75] = 28 | M,	/* KP Enter (KP Enter) */
395 #else
396     [0x75] = 15,	/* KP Enter (Tab) */
397 #endif
398 };
399 
400 #undef M
401 
402 static void n810_kbd_setup(struct n800_s *s)
403 {
404     qemu_irq kbd_irq = qdev_get_gpio_in(s->mpu->gpio, N810_KEYBOARD_GPIO);
405     int i;
406 
407     for (i = 0; i < 0x80; i++) {
408         s->keymap[i] = -1;
409     }
410     for (i = 0; i < 0x80; i++) {
411         if (n810_keys[i] > 0) {
412             s->keymap[n810_keys[i]] = i;
413         }
414     }
415 
416     qemu_add_kbd_event_handler(n810_key_event, s);
417 
418     /* Attach the LM8322 keyboard to the I2C bus,
419      * should happen in n8x0_i2c_setup and s->kbd be initialised here.  */
420     s->kbd = i2c_create_slave(omap_i2c_bus(s->mpu->i2c[0]),
421                            "lm8323", N810_LM8323_ADDR);
422     qdev_connect_gpio_out(s->kbd, 0, kbd_irq);
423 }
424 
425 /* LCD MIPI DBI-C controller (URAL) */
426 struct mipid_s {
427     int resp[4];
428     int param[4];
429     int p;
430     int pm;
431     int cmd;
432 
433     int sleep;
434     int booster;
435     int te;
436     int selfcheck;
437     int partial;
438     int normal;
439     int vscr;
440     int invert;
441     int onoff;
442     int gamma;
443     uint32_t id;
444 };
445 
446 static void mipid_reset(struct mipid_s *s)
447 {
448     s->pm = 0;
449     s->cmd = 0;
450 
451     s->sleep = 1;
452     s->booster = 0;
453     s->selfcheck =
454             (1 << 7) |	/* Register loading OK.  */
455             (1 << 5) |	/* The chip is attached.  */
456             (1 << 4);	/* Display glass still in one piece.  */
457     s->te = 0;
458     s->partial = 0;
459     s->normal = 1;
460     s->vscr = 0;
461     s->invert = 0;
462     s->onoff = 1;
463     s->gamma = 0;
464 }
465 
466 static uint32_t mipid_txrx(void *opaque, uint32_t cmd, int len)
467 {
468     struct mipid_s *s = (struct mipid_s *) opaque;
469     uint8_t ret;
470 
471     if (len > 9) {
472         hw_error("%s: FIXME: bad SPI word width %i\n", __func__, len);
473     }
474 
475     if (s->p >= ARRAY_SIZE(s->resp)) {
476         ret = 0;
477     } else {
478         ret = s->resp[s->p++];
479     }
480     if (s->pm-- > 0) {
481         s->param[s->pm] = cmd;
482     } else {
483         s->cmd = cmd;
484     }
485 
486     switch (s->cmd) {
487     case 0x00:	/* NOP */
488         break;
489 
490     case 0x01:	/* SWRESET */
491         mipid_reset(s);
492         break;
493 
494     case 0x02:	/* BSTROFF */
495         s->booster = 0;
496         break;
497     case 0x03:	/* BSTRON */
498         s->booster = 1;
499         break;
500 
501     case 0x04:	/* RDDID */
502         s->p = 0;
503         s->resp[0] = (s->id >> 16) & 0xff;
504         s->resp[1] = (s->id >>  8) & 0xff;
505         s->resp[2] = (s->id >>  0) & 0xff;
506         break;
507 
508     case 0x06:	/* RD_RED */
509     case 0x07:	/* RD_GREEN */
510         /* XXX the bootloader sometimes issues RD_BLUE meaning RDDID so
511          * for the bootloader one needs to change this.  */
512     case 0x08:	/* RD_BLUE */
513         s->p = 0;
514         /* TODO: return first pixel components */
515         s->resp[0] = 0x01;
516         break;
517 
518     case 0x09:	/* RDDST */
519         s->p = 0;
520         s->resp[0] = s->booster << 7;
521         s->resp[1] = (5 << 4) | (s->partial << 2) |
522                 (s->sleep << 1) | s->normal;
523         s->resp[2] = (s->vscr << 7) | (s->invert << 5) |
524                 (s->onoff << 2) | (s->te << 1) | (s->gamma >> 2);
525         s->resp[3] = s->gamma << 6;
526         break;
527 
528     case 0x0a:	/* RDDPM */
529         s->p = 0;
530         s->resp[0] = (s->onoff << 2) | (s->normal << 3) | (s->sleep << 4) |
531                 (s->partial << 5) | (s->sleep << 6) | (s->booster << 7);
532         break;
533     case 0x0b:	/* RDDMADCTR */
534         s->p = 0;
535         s->resp[0] = 0;
536         break;
537     case 0x0c:	/* RDDCOLMOD */
538         s->p = 0;
539         s->resp[0] = 5;	/* 65K colours */
540         break;
541     case 0x0d:	/* RDDIM */
542         s->p = 0;
543         s->resp[0] = (s->invert << 5) | (s->vscr << 7) | s->gamma;
544         break;
545     case 0x0e:	/* RDDSM */
546         s->p = 0;
547         s->resp[0] = s->te << 7;
548         break;
549     case 0x0f:	/* RDDSDR */
550         s->p = 0;
551         s->resp[0] = s->selfcheck;
552         break;
553 
554     case 0x10:	/* SLPIN */
555         s->sleep = 1;
556         break;
557     case 0x11:	/* SLPOUT */
558         s->sleep = 0;
559         s->selfcheck ^= 1 << 6;	/* POFF self-diagnosis Ok */
560         break;
561 
562     case 0x12:	/* PTLON */
563         s->partial = 1;
564         s->normal = 0;
565         s->vscr = 0;
566         break;
567     case 0x13:	/* NORON */
568         s->partial = 0;
569         s->normal = 1;
570         s->vscr = 0;
571         break;
572 
573     case 0x20:	/* INVOFF */
574         s->invert = 0;
575         break;
576     case 0x21:	/* INVON */
577         s->invert = 1;
578         break;
579 
580     case 0x22:	/* APOFF */
581     case 0x23:	/* APON */
582         goto bad_cmd;
583 
584     case 0x25:	/* WRCNTR */
585         if (s->pm < 0) {
586             s->pm = 1;
587         }
588         goto bad_cmd;
589 
590     case 0x26:	/* GAMSET */
591         if (!s->pm) {
592             s->gamma = ctz32(s->param[0] & 0xf);
593             if (s->gamma == 32) {
594                 s->gamma = -1; /* XXX: should this be 0? */
595             }
596         } else if (s->pm < 0) {
597             s->pm = 1;
598         }
599         break;
600 
601     case 0x28:	/* DISPOFF */
602         s->onoff = 0;
603         break;
604     case 0x29:	/* DISPON */
605         s->onoff = 1;
606         break;
607 
608     case 0x2a:	/* CASET */
609     case 0x2b:	/* RASET */
610     case 0x2c:	/* RAMWR */
611     case 0x2d:	/* RGBSET */
612     case 0x2e:	/* RAMRD */
613     case 0x30:	/* PTLAR */
614     case 0x33:	/* SCRLAR */
615         goto bad_cmd;
616 
617     case 0x34:	/* TEOFF */
618         s->te = 0;
619         break;
620     case 0x35:	/* TEON */
621         if (!s->pm) {
622             s->te = 1;
623         } else if (s->pm < 0) {
624             s->pm = 1;
625         }
626         break;
627 
628     case 0x36:	/* MADCTR */
629         goto bad_cmd;
630 
631     case 0x37:	/* VSCSAD */
632         s->partial = 0;
633         s->normal = 0;
634         s->vscr = 1;
635         break;
636 
637     case 0x38:	/* IDMOFF */
638     case 0x39:	/* IDMON */
639     case 0x3a:	/* COLMOD */
640         goto bad_cmd;
641 
642     case 0xb0:	/* CLKINT / DISCTL */
643     case 0xb1:	/* CLKEXT */
644         if (s->pm < 0) {
645             s->pm = 2;
646         }
647         break;
648 
649     case 0xb4:	/* FRMSEL */
650         break;
651 
652     case 0xb5:	/* FRM8SEL */
653     case 0xb6:	/* TMPRNG / INIESC */
654     case 0xb7:	/* TMPHIS / NOP2 */
655     case 0xb8:	/* TMPREAD / MADCTL */
656     case 0xba:	/* DISTCTR */
657     case 0xbb:	/* EPVOL */
658         goto bad_cmd;
659 
660     case 0xbd:	/* Unknown */
661         s->p = 0;
662         s->resp[0] = 0;
663         s->resp[1] = 1;
664         break;
665 
666     case 0xc2:	/* IFMOD */
667         if (s->pm < 0) {
668             s->pm = 2;
669         }
670         break;
671 
672     case 0xc6:	/* PWRCTL */
673     case 0xc7:	/* PPWRCTL */
674     case 0xd0:	/* EPWROUT */
675     case 0xd1:	/* EPWRIN */
676     case 0xd4:	/* RDEV */
677     case 0xd5:	/* RDRR */
678         goto bad_cmd;
679 
680     case 0xda:	/* RDID1 */
681         s->p = 0;
682         s->resp[0] = (s->id >> 16) & 0xff;
683         break;
684     case 0xdb:	/* RDID2 */
685         s->p = 0;
686         s->resp[0] = (s->id >>  8) & 0xff;
687         break;
688     case 0xdc:	/* RDID3 */
689         s->p = 0;
690         s->resp[0] = (s->id >>  0) & 0xff;
691         break;
692 
693     default:
694     bad_cmd:
695         qemu_log_mask(LOG_GUEST_ERROR,
696                       "%s: unknown command %02x\n", __func__, s->cmd);
697         break;
698     }
699 
700     return ret;
701 }
702 
703 static void *mipid_init(void)
704 {
705     struct mipid_s *s = (struct mipid_s *) g_malloc0(sizeof(*s));
706 
707     s->id = 0x838f03;
708     mipid_reset(s);
709 
710     return s;
711 }
712 
713 static void n8x0_spi_setup(struct n800_s *s)
714 {
715     void *tsc = s->ts.opaque;
716     void *mipid = mipid_init();
717 
718     omap_mcspi_attach(s->mpu->mcspi[0], s->ts.txrx, tsc, 0);
719     omap_mcspi_attach(s->mpu->mcspi[0], mipid_txrx, mipid, 1);
720 }
721 
722 /* This task is normally performed by the bootloader.  If we're loading
723  * a kernel directly, we need to enable the Blizzard ourselves.  */
724 static void n800_dss_init(struct rfbi_chip_s *chip)
725 {
726     uint8_t *fb_blank;
727 
728     chip->write(chip->opaque, 0, 0x2a);		/* LCD Width register */
729     chip->write(chip->opaque, 1, 0x64);
730     chip->write(chip->opaque, 0, 0x2c);		/* LCD HNDP register */
731     chip->write(chip->opaque, 1, 0x1e);
732     chip->write(chip->opaque, 0, 0x2e);		/* LCD Height 0 register */
733     chip->write(chip->opaque, 1, 0xe0);
734     chip->write(chip->opaque, 0, 0x30);		/* LCD Height 1 register */
735     chip->write(chip->opaque, 1, 0x01);
736     chip->write(chip->opaque, 0, 0x32);		/* LCD VNDP register */
737     chip->write(chip->opaque, 1, 0x06);
738     chip->write(chip->opaque, 0, 0x68);		/* Display Mode register */
739     chip->write(chip->opaque, 1, 1);		/* Enable bit */
740 
741     chip->write(chip->opaque, 0, 0x6c);
742     chip->write(chip->opaque, 1, 0x00);		/* Input X Start Position */
743     chip->write(chip->opaque, 1, 0x00);		/* Input X Start Position */
744     chip->write(chip->opaque, 1, 0x00);		/* Input Y Start Position */
745     chip->write(chip->opaque, 1, 0x00);		/* Input Y Start Position */
746     chip->write(chip->opaque, 1, 0x1f);		/* Input X End Position */
747     chip->write(chip->opaque, 1, 0x03);		/* Input X End Position */
748     chip->write(chip->opaque, 1, 0xdf);		/* Input Y End Position */
749     chip->write(chip->opaque, 1, 0x01);		/* Input Y End Position */
750     chip->write(chip->opaque, 1, 0x00);		/* Output X Start Position */
751     chip->write(chip->opaque, 1, 0x00);		/* Output X Start Position */
752     chip->write(chip->opaque, 1, 0x00);		/* Output Y Start Position */
753     chip->write(chip->opaque, 1, 0x00);		/* Output Y Start Position */
754     chip->write(chip->opaque, 1, 0x1f);		/* Output X End Position */
755     chip->write(chip->opaque, 1, 0x03);		/* Output X End Position */
756     chip->write(chip->opaque, 1, 0xdf);		/* Output Y End Position */
757     chip->write(chip->opaque, 1, 0x01);		/* Output Y End Position */
758     chip->write(chip->opaque, 1, 0x01);		/* Input Data Format */
759     chip->write(chip->opaque, 1, 0x01);		/* Data Source Select */
760 
761     fb_blank = memset(g_malloc(800 * 480 * 2), 0xff, 800 * 480 * 2);
762     /* Display Memory Data Port */
763     chip->block(chip->opaque, 1, fb_blank, 800 * 480 * 2, 800);
764     g_free(fb_blank);
765 }
766 
767 static void n8x0_dss_setup(struct n800_s *s)
768 {
769     s->blizzard.opaque = s1d13745_init(NULL);
770     s->blizzard.block = s1d13745_write_block;
771     s->blizzard.write = s1d13745_write;
772     s->blizzard.read = s1d13745_read;
773 
774     omap_rfbi_attach(s->mpu->dss, 0, &s->blizzard);
775 }
776 
777 static void n8x0_cbus_setup(struct n800_s *s)
778 {
779     qemu_irq dat_out = qdev_get_gpio_in(s->mpu->gpio, N8X0_CBUS_DAT_GPIO);
780     qemu_irq retu_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_RETU_GPIO);
781     qemu_irq tahvo_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_TAHVO_GPIO);
782 
783     CBus *cbus = cbus_init(dat_out);
784 
785     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_CLK_GPIO, cbus->clk);
786     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_DAT_GPIO, cbus->dat);
787     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_SEL_GPIO, cbus->sel);
788 
789     cbus_attach(cbus, s->retu = retu_init(retu_irq, 1));
790     cbus_attach(cbus, s->tahvo = tahvo_init(tahvo_irq, 1));
791 }
792 
793 static void n8x0_uart_setup(struct n800_s *s)
794 {
795     Chardev *radio = uart_hci_init();
796 
797     qdev_connect_gpio_out(s->mpu->gpio, N8X0_BT_RESET_GPIO,
798                     csrhci_pins_get(radio)[csrhci_pin_reset]);
799     qdev_connect_gpio_out(s->mpu->gpio, N8X0_BT_WKUP_GPIO,
800                     csrhci_pins_get(radio)[csrhci_pin_wakeup]);
801 
802     omap_uart_attach(s->mpu->uart[BT_UART], radio);
803 }
804 
805 static void n8x0_usb_setup(struct n800_s *s)
806 {
807     SysBusDevice *dev;
808     s->usb = qdev_create(NULL, "tusb6010");
809     dev = SYS_BUS_DEVICE(s->usb);
810     qdev_init_nofail(s->usb);
811     sysbus_connect_irq(dev, 0,
812                        qdev_get_gpio_in(s->mpu->gpio, N8X0_TUSB_INT_GPIO));
813     /* Using the NOR interface */
814     omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_ASYNC_CS,
815                      sysbus_mmio_get_region(dev, 0));
816     omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_SYNC_CS,
817                      sysbus_mmio_get_region(dev, 1));
818     qdev_connect_gpio_out(s->mpu->gpio, N8X0_TUSB_ENABLE_GPIO,
819                           qdev_get_gpio_in(s->usb, 0)); /* tusb_pwr */
820 }
821 
822 /* Setup done before the main bootloader starts by some early setup code
823  * - used when we want to run the main bootloader in emulation.  This
824  * isn't documented.  */
825 static uint32_t n800_pinout[104] = {
826     0x080f00d8, 0x00d40808, 0x03080808, 0x080800d0,
827     0x00dc0808, 0x0b0f0f00, 0x080800b4, 0x00c00808,
828     0x08080808, 0x180800c4, 0x00b80000, 0x08080808,
829     0x080800bc, 0x00cc0808, 0x08081818, 0x18180128,
830     0x01241800, 0x18181818, 0x000000f0, 0x01300000,
831     0x00001b0b, 0x1b0f0138, 0x00e0181b, 0x1b031b0b,
832     0x180f0078, 0x00740018, 0x0f0f0f1a, 0x00000080,
833     0x007c0000, 0x00000000, 0x00000088, 0x00840000,
834     0x00000000, 0x00000094, 0x00980300, 0x0f180003,
835     0x0000008c, 0x00900f0f, 0x0f0f1b00, 0x0f00009c,
836     0x01140000, 0x1b1b0f18, 0x0818013c, 0x01400008,
837     0x00001818, 0x000b0110, 0x010c1800, 0x0b030b0f,
838     0x181800f4, 0x00f81818, 0x00000018, 0x000000fc,
839     0x00401808, 0x00000000, 0x0f1b0030, 0x003c0008,
840     0x00000000, 0x00000038, 0x00340000, 0x00000000,
841     0x1a080070, 0x00641a1a, 0x08080808, 0x08080060,
842     0x005c0808, 0x08080808, 0x08080058, 0x00540808,
843     0x08080808, 0x0808006c, 0x00680808, 0x08080808,
844     0x000000a8, 0x00b00000, 0x08080808, 0x000000a0,
845     0x00a40000, 0x00000000, 0x08ff0050, 0x004c0808,
846     0xffffffff, 0xffff0048, 0x0044ffff, 0xffffffff,
847     0x000000ac, 0x01040800, 0x08080b0f, 0x18180100,
848     0x01081818, 0x0b0b1808, 0x1a0300e4, 0x012c0b1a,
849     0x02020018, 0x0b000134, 0x011c0800, 0x0b1b1b00,
850     0x0f0000c8, 0x00ec181b, 0x000f0f02, 0x00180118,
851     0x01200000, 0x0f0b1b1b, 0x0f0200e8, 0x0000020b,
852 };
853 
854 static void n800_setup_nolo_tags(void *sram_base)
855 {
856     int i;
857     uint32_t *p = sram_base + 0x8000;
858     uint32_t *v = sram_base + 0xa000;
859 
860     memset(p, 0, 0x3000);
861 
862     strcpy((void *) (p + 0), "QEMU N800");
863 
864     strcpy((void *) (p + 8), "F5");
865 
866     stl_p(p + 10, 0x04f70000);
867     strcpy((void *) (p + 9), "RX-34");
868 
869     /* RAM size in MB? */
870     stl_p(p + 12, 0x80);
871 
872     /* Pointer to the list of tags */
873     stl_p(p + 13, OMAP2_SRAM_BASE + 0x9000);
874 
875     /* The NOLO tags start here */
876     p = sram_base + 0x9000;
877 #define ADD_TAG(tag, len)				\
878     stw_p((uint16_t *) p + 0, tag);			\
879     stw_p((uint16_t *) p + 1, len); p++;		\
880     stl_p(p++, OMAP2_SRAM_BASE | (((void *) v - sram_base) & 0xffff));
881 
882     /* OMAP STI console? Pin out settings? */
883     ADD_TAG(0x6e01, 414);
884     for (i = 0; i < ARRAY_SIZE(n800_pinout); i++) {
885         stl_p(v++, n800_pinout[i]);
886     }
887 
888     /* Kernel memsize? */
889     ADD_TAG(0x6e05, 1);
890     stl_p(v++, 2);
891 
892     /* NOLO serial console */
893     ADD_TAG(0x6e02, 4);
894     stl_p(v++, XLDR_LL_UART);		/* UART number (1 - 3) */
895 
896 #if 0
897     /* CBUS settings (Retu/AVilma) */
898     ADD_TAG(0x6e03, 6);
899     stw_p((uint16_t *) v + 0, 65);	/* CBUS GPIO0 */
900     stw_p((uint16_t *) v + 1, 66);	/* CBUS GPIO1 */
901     stw_p((uint16_t *) v + 2, 64);	/* CBUS GPIO2 */
902     v += 2;
903 #endif
904 
905     /* Nokia ASIC BB5 (Retu/Tahvo) */
906     ADD_TAG(0x6e0a, 4);
907     stw_p((uint16_t *) v + 0, 111);	/* "Retu" interrupt GPIO */
908     stw_p((uint16_t *) v + 1, 108);	/* "Tahvo" interrupt GPIO */
909     v++;
910 
911     /* LCD console? */
912     ADD_TAG(0x6e04, 4);
913     stw_p((uint16_t *) v + 0, 30);	/* ??? */
914     stw_p((uint16_t *) v + 1, 24);	/* ??? */
915     v++;
916 
917 #if 0
918     /* LCD settings */
919     ADD_TAG(0x6e06, 2);
920     stw_p((uint16_t *) (v++), 15);	/* ??? */
921 #endif
922 
923     /* I^2C (Menelaus) */
924     ADD_TAG(0x6e07, 4);
925     stl_p(v++, 0x00720000);		/* ??? */
926 
927     /* Unknown */
928     ADD_TAG(0x6e0b, 6);
929     stw_p((uint16_t *) v + 0, 94);	/* ??? */
930     stw_p((uint16_t *) v + 1, 23);	/* ??? */
931     stw_p((uint16_t *) v + 2, 0);	/* ??? */
932     v += 2;
933 
934     /* OMAP gpio switch info */
935     ADD_TAG(0x6e0c, 80);
936     strcpy((void *) v, "bat_cover");	v += 3;
937     stw_p((uint16_t *) v + 0, 110);	/* GPIO num ??? */
938     stw_p((uint16_t *) v + 1, 1);	/* GPIO num ??? */
939     v += 2;
940     strcpy((void *) v, "cam_act");	v += 3;
941     stw_p((uint16_t *) v + 0, 95);	/* GPIO num ??? */
942     stw_p((uint16_t *) v + 1, 32);	/* GPIO num ??? */
943     v += 2;
944     strcpy((void *) v, "cam_turn");	v += 3;
945     stw_p((uint16_t *) v + 0, 12);	/* GPIO num ??? */
946     stw_p((uint16_t *) v + 1, 33);	/* GPIO num ??? */
947     v += 2;
948     strcpy((void *) v, "headphone");	v += 3;
949     stw_p((uint16_t *) v + 0, 107);	/* GPIO num ??? */
950     stw_p((uint16_t *) v + 1, 17);	/* GPIO num ??? */
951     v += 2;
952 
953     /* Bluetooth */
954     ADD_TAG(0x6e0e, 12);
955     stl_p(v++, 0x5c623d01);		/* ??? */
956     stl_p(v++, 0x00000201);		/* ??? */
957     stl_p(v++, 0x00000000);		/* ??? */
958 
959     /* CX3110x WLAN settings */
960     ADD_TAG(0x6e0f, 8);
961     stl_p(v++, 0x00610025);		/* ??? */
962     stl_p(v++, 0xffff0057);		/* ??? */
963 
964     /* MMC host settings */
965     ADD_TAG(0x6e10, 12);
966     stl_p(v++, 0xffff000f);		/* ??? */
967     stl_p(v++, 0xffffffff);		/* ??? */
968     stl_p(v++, 0x00000060);		/* ??? */
969 
970     /* OneNAND chip select */
971     ADD_TAG(0x6e11, 10);
972     stl_p(v++, 0x00000401);		/* ??? */
973     stl_p(v++, 0x0002003a);		/* ??? */
974     stl_p(v++, 0x00000002);		/* ??? */
975 
976     /* TEA5761 sensor settings */
977     ADD_TAG(0x6e12, 2);
978     stl_p(v++, 93);			/* GPIO num ??? */
979 
980 #if 0
981     /* Unknown tag */
982     ADD_TAG(6e09, 0);
983 
984     /* Kernel UART / console */
985     ADD_TAG(6e12, 0);
986 #endif
987 
988     /* End of the list */
989     stl_p(p++, 0x00000000);
990     stl_p(p++, 0x00000000);
991 }
992 
993 /* This task is normally performed by the bootloader.  If we're loading
994  * a kernel directly, we need to set up GPMC mappings ourselves.  */
995 static void n800_gpmc_init(struct n800_s *s)
996 {
997     uint32_t config7 =
998             (0xf << 8) |	/* MASKADDRESS */
999             (1 << 6) |		/* CSVALID */
1000             (4 << 0);		/* BASEADDRESS */
1001 
1002     cpu_physical_memory_write(0x6800a078,		/* GPMC_CONFIG7_0 */
1003                               &config7, sizeof(config7));
1004 }
1005 
1006 /* Setup sequence done by the bootloader */
1007 static void n8x0_boot_init(void *opaque)
1008 {
1009     struct n800_s *s = (struct n800_s *) opaque;
1010     uint32_t buf;
1011 
1012     /* PRCM setup */
1013 #define omap_writel(addr, val)	\
1014     buf = (val);			\
1015     cpu_physical_memory_write(addr, &buf, sizeof(buf))
1016 
1017     omap_writel(0x48008060, 0x41);		/* PRCM_CLKSRC_CTRL */
1018     omap_writel(0x48008070, 1);			/* PRCM_CLKOUT_CTRL */
1019     omap_writel(0x48008078, 0);			/* PRCM_CLKEMUL_CTRL */
1020     omap_writel(0x48008090, 0);			/* PRCM_VOLTSETUP */
1021     omap_writel(0x48008094, 0);			/* PRCM_CLKSSETUP */
1022     omap_writel(0x48008098, 0);			/* PRCM_POLCTRL */
1023     omap_writel(0x48008140, 2);			/* CM_CLKSEL_MPU */
1024     omap_writel(0x48008148, 0);			/* CM_CLKSTCTRL_MPU */
1025     omap_writel(0x48008158, 1);			/* RM_RSTST_MPU */
1026     omap_writel(0x480081c8, 0x15);		/* PM_WKDEP_MPU */
1027     omap_writel(0x480081d4, 0x1d4);		/* PM_EVGENCTRL_MPU */
1028     omap_writel(0x480081d8, 0);			/* PM_EVEGENONTIM_MPU */
1029     omap_writel(0x480081dc, 0);			/* PM_EVEGENOFFTIM_MPU */
1030     omap_writel(0x480081e0, 0xc);		/* PM_PWSTCTRL_MPU */
1031     omap_writel(0x48008200, 0x047e7ff7);	/* CM_FCLKEN1_CORE */
1032     omap_writel(0x48008204, 0x00000004);	/* CM_FCLKEN2_CORE */
1033     omap_writel(0x48008210, 0x047e7ff1);	/* CM_ICLKEN1_CORE */
1034     omap_writel(0x48008214, 0x00000004);	/* CM_ICLKEN2_CORE */
1035     omap_writel(0x4800821c, 0x00000000);	/* CM_ICLKEN4_CORE */
1036     omap_writel(0x48008230, 0);			/* CM_AUTOIDLE1_CORE */
1037     omap_writel(0x48008234, 0);			/* CM_AUTOIDLE2_CORE */
1038     omap_writel(0x48008238, 7);			/* CM_AUTOIDLE3_CORE */
1039     omap_writel(0x4800823c, 0);			/* CM_AUTOIDLE4_CORE */
1040     omap_writel(0x48008240, 0x04360626);	/* CM_CLKSEL1_CORE */
1041     omap_writel(0x48008244, 0x00000014);	/* CM_CLKSEL2_CORE */
1042     omap_writel(0x48008248, 0);			/* CM_CLKSTCTRL_CORE */
1043     omap_writel(0x48008300, 0x00000000);	/* CM_FCLKEN_GFX */
1044     omap_writel(0x48008310, 0x00000000);	/* CM_ICLKEN_GFX */
1045     omap_writel(0x48008340, 0x00000001);	/* CM_CLKSEL_GFX */
1046     omap_writel(0x48008400, 0x00000004);	/* CM_FCLKEN_WKUP */
1047     omap_writel(0x48008410, 0x00000004);	/* CM_ICLKEN_WKUP */
1048     omap_writel(0x48008440, 0x00000000);	/* CM_CLKSEL_WKUP */
1049     omap_writel(0x48008500, 0x000000cf);	/* CM_CLKEN_PLL */
1050     omap_writel(0x48008530, 0x0000000c);	/* CM_AUTOIDLE_PLL */
1051     omap_writel(0x48008540,			/* CM_CLKSEL1_PLL */
1052                     (0x78 << 12) | (6 << 8));
1053     omap_writel(0x48008544, 2);			/* CM_CLKSEL2_PLL */
1054 
1055     /* GPMC setup */
1056     n800_gpmc_init(s);
1057 
1058     /* Video setup */
1059     n800_dss_init(&s->blizzard);
1060 
1061     /* CPU setup */
1062     s->mpu->cpu->env.GE = 0x5;
1063 
1064     /* If the machine has a slided keyboard, open it */
1065     if (s->kbd) {
1066         qemu_irq_raise(qdev_get_gpio_in(s->mpu->gpio, N810_SLIDE_GPIO));
1067     }
1068 }
1069 
1070 #define OMAP_TAG_NOKIA_BT	0x4e01
1071 #define OMAP_TAG_WLAN_CX3110X	0x4e02
1072 #define OMAP_TAG_CBUS		0x4e03
1073 #define OMAP_TAG_EM_ASIC_BB5	0x4e04
1074 
1075 static struct omap_gpiosw_info_s {
1076     const char *name;
1077     int line;
1078     int type;
1079 } n800_gpiosw_info[] = {
1080     {
1081         "bat_cover", N800_BAT_COVER_GPIO,
1082         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1083     }, {
1084         "cam_act", N800_CAM_ACT_GPIO,
1085         OMAP_GPIOSW_TYPE_ACTIVITY,
1086     }, {
1087         "cam_turn", N800_CAM_TURN_GPIO,
1088         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_INVERTED,
1089     }, {
1090         "headphone", N8X0_HEADPHONE_GPIO,
1091         OMAP_GPIOSW_TYPE_CONNECTION | OMAP_GPIOSW_INVERTED,
1092     },
1093     { NULL }
1094 }, n810_gpiosw_info[] = {
1095     {
1096         "gps_reset", N810_GPS_RESET_GPIO,
1097         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_OUTPUT,
1098     }, {
1099         "gps_wakeup", N810_GPS_WAKEUP_GPIO,
1100         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_OUTPUT,
1101     }, {
1102         "headphone", N8X0_HEADPHONE_GPIO,
1103         OMAP_GPIOSW_TYPE_CONNECTION | OMAP_GPIOSW_INVERTED,
1104     }, {
1105         "kb_lock", N810_KB_LOCK_GPIO,
1106         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1107     }, {
1108         "sleepx_led", N810_SLEEPX_LED_GPIO,
1109         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_INVERTED | OMAP_GPIOSW_OUTPUT,
1110     }, {
1111         "slide", N810_SLIDE_GPIO,
1112         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1113     },
1114     { NULL }
1115 };
1116 
1117 static struct omap_partition_info_s {
1118     uint32_t offset;
1119     uint32_t size;
1120     int mask;
1121     const char *name;
1122 } n800_part_info[] = {
1123     { 0x00000000, 0x00020000, 0x3, "bootloader" },
1124     { 0x00020000, 0x00060000, 0x0, "config" },
1125     { 0x00080000, 0x00200000, 0x0, "kernel" },
1126     { 0x00280000, 0x00200000, 0x3, "initfs" },
1127     { 0x00480000, 0x0fb80000, 0x3, "rootfs" },
1128 
1129     { 0, 0, 0, NULL }
1130 }, n810_part_info[] = {
1131     { 0x00000000, 0x00020000, 0x3, "bootloader" },
1132     { 0x00020000, 0x00060000, 0x0, "config" },
1133     { 0x00080000, 0x00220000, 0x0, "kernel" },
1134     { 0x002a0000, 0x00400000, 0x0, "initfs" },
1135     { 0x006a0000, 0x0f960000, 0x0, "rootfs" },
1136 
1137     { 0, 0, 0, NULL }
1138 };
1139 
1140 static bdaddr_t n8x0_bd_addr = {{ N8X0_BD_ADDR }};
1141 
1142 static int n8x0_atag_setup(void *p, int model)
1143 {
1144     uint8_t *b;
1145     uint16_t *w;
1146     uint32_t *l;
1147     struct omap_gpiosw_info_s *gpiosw;
1148     struct omap_partition_info_s *partition;
1149     const char *tag;
1150 
1151     w = p;
1152 
1153     stw_p(w++, OMAP_TAG_UART);			/* u16 tag */
1154     stw_p(w++, 4);				/* u16 len */
1155     stw_p(w++, (1 << 2) | (1 << 1) | (1 << 0)); /* uint enabled_uarts */
1156     w++;
1157 
1158 #if 0
1159     stw_p(w++, OMAP_TAG_SERIAL_CONSOLE);	/* u16 tag */
1160     stw_p(w++, 4);				/* u16 len */
1161     stw_p(w++, XLDR_LL_UART + 1);		/* u8 console_uart */
1162     stw_p(w++, 115200);				/* u32 console_speed */
1163 #endif
1164 
1165     stw_p(w++, OMAP_TAG_LCD);			/* u16 tag */
1166     stw_p(w++, 36);				/* u16 len */
1167     strcpy((void *) w, "QEMU LCD panel");	/* char panel_name[16] */
1168     w += 8;
1169     strcpy((void *) w, "blizzard");		/* char ctrl_name[16] */
1170     w += 8;
1171     stw_p(w++, N810_BLIZZARD_RESET_GPIO);	/* TODO: n800 s16 nreset_gpio */
1172     stw_p(w++, 24);				/* u8 data_lines */
1173 
1174     stw_p(w++, OMAP_TAG_CBUS);			/* u16 tag */
1175     stw_p(w++, 8);				/* u16 len */
1176     stw_p(w++, N8X0_CBUS_CLK_GPIO);		/* s16 clk_gpio */
1177     stw_p(w++, N8X0_CBUS_DAT_GPIO);		/* s16 dat_gpio */
1178     stw_p(w++, N8X0_CBUS_SEL_GPIO);		/* s16 sel_gpio */
1179     w++;
1180 
1181     stw_p(w++, OMAP_TAG_EM_ASIC_BB5);		/* u16 tag */
1182     stw_p(w++, 4);				/* u16 len */
1183     stw_p(w++, N8X0_RETU_GPIO);			/* s16 retu_irq_gpio */
1184     stw_p(w++, N8X0_TAHVO_GPIO);		/* s16 tahvo_irq_gpio */
1185 
1186     gpiosw = (model == 810) ? n810_gpiosw_info : n800_gpiosw_info;
1187     for (; gpiosw->name; gpiosw++) {
1188         stw_p(w++, OMAP_TAG_GPIO_SWITCH);	/* u16 tag */
1189         stw_p(w++, 20);				/* u16 len */
1190         strcpy((void *) w, gpiosw->name);	/* char name[12] */
1191         w += 6;
1192         stw_p(w++, gpiosw->line);		/* u16 gpio */
1193         stw_p(w++, gpiosw->type);
1194         stw_p(w++, 0);
1195         stw_p(w++, 0);
1196     }
1197 
1198     stw_p(w++, OMAP_TAG_NOKIA_BT);		/* u16 tag */
1199     stw_p(w++, 12);				/* u16 len */
1200     b = (void *) w;
1201     stb_p(b++, 0x01);				/* u8 chip_type	(CSR) */
1202     stb_p(b++, N8X0_BT_WKUP_GPIO);		/* u8 bt_wakeup_gpio */
1203     stb_p(b++, N8X0_BT_HOST_WKUP_GPIO);		/* u8 host_wakeup_gpio */
1204     stb_p(b++, N8X0_BT_RESET_GPIO);		/* u8 reset_gpio */
1205     stb_p(b++, BT_UART + 1);			/* u8 bt_uart */
1206     memcpy(b, &n8x0_bd_addr, 6);		/* u8 bd_addr[6] */
1207     b += 6;
1208     stb_p(b++, 0x02);				/* u8 bt_sysclk (38.4) */
1209     w = (void *) b;
1210 
1211     stw_p(w++, OMAP_TAG_WLAN_CX3110X);		/* u16 tag */
1212     stw_p(w++, 8);				/* u16 len */
1213     stw_p(w++, 0x25);				/* u8 chip_type */
1214     stw_p(w++, N8X0_WLAN_PWR_GPIO);		/* s16 power_gpio */
1215     stw_p(w++, N8X0_WLAN_IRQ_GPIO);		/* s16 irq_gpio */
1216     stw_p(w++, -1);				/* s16 spi_cs_gpio */
1217 
1218     stw_p(w++, OMAP_TAG_MMC);			/* u16 tag */
1219     stw_p(w++, 16);				/* u16 len */
1220     if (model == 810) {
1221         stw_p(w++, 0x23f);			/* unsigned flags */
1222         stw_p(w++, -1);				/* s16 power_pin */
1223         stw_p(w++, -1);				/* s16 switch_pin */
1224         stw_p(w++, -1);				/* s16 wp_pin */
1225         stw_p(w++, 0x240);			/* unsigned flags */
1226         stw_p(w++, 0xc000);			/* s16 power_pin */
1227         stw_p(w++, 0x0248);			/* s16 switch_pin */
1228         stw_p(w++, 0xc000);			/* s16 wp_pin */
1229     } else {
1230         stw_p(w++, 0xf);			/* unsigned flags */
1231         stw_p(w++, -1);				/* s16 power_pin */
1232         stw_p(w++, -1);				/* s16 switch_pin */
1233         stw_p(w++, -1);				/* s16 wp_pin */
1234         stw_p(w++, 0);				/* unsigned flags */
1235         stw_p(w++, 0);				/* s16 power_pin */
1236         stw_p(w++, 0);				/* s16 switch_pin */
1237         stw_p(w++, 0);				/* s16 wp_pin */
1238     }
1239 
1240     stw_p(w++, OMAP_TAG_TEA5761);		/* u16 tag */
1241     stw_p(w++, 4);				/* u16 len */
1242     stw_p(w++, N8X0_TEA5761_CS_GPIO);		/* u16 enable_gpio */
1243     w++;
1244 
1245     partition = (model == 810) ? n810_part_info : n800_part_info;
1246     for (; partition->name; partition++) {
1247         stw_p(w++, OMAP_TAG_PARTITION);		/* u16 tag */
1248         stw_p(w++, 28);				/* u16 len */
1249         strcpy((void *) w, partition->name);	/* char name[16] */
1250         l = (void *) (w + 8);
1251         stl_p(l++, partition->size);		/* unsigned int size */
1252         stl_p(l++, partition->offset);		/* unsigned int offset */
1253         stl_p(l++, partition->mask);		/* unsigned int mask_flags */
1254         w = (void *) l;
1255     }
1256 
1257     stw_p(w++, OMAP_TAG_BOOT_REASON);		/* u16 tag */
1258     stw_p(w++, 12);				/* u16 len */
1259 #if 0
1260     strcpy((void *) w, "por");			/* char reason_str[12] */
1261     strcpy((void *) w, "charger");		/* char reason_str[12] */
1262     strcpy((void *) w, "32wd_to");		/* char reason_str[12] */
1263     strcpy((void *) w, "sw_rst");		/* char reason_str[12] */
1264     strcpy((void *) w, "mbus");			/* char reason_str[12] */
1265     strcpy((void *) w, "unknown");		/* char reason_str[12] */
1266     strcpy((void *) w, "swdg_to");		/* char reason_str[12] */
1267     strcpy((void *) w, "sec_vio");		/* char reason_str[12] */
1268     strcpy((void *) w, "pwr_key");		/* char reason_str[12] */
1269     strcpy((void *) w, "rtc_alarm");		/* char reason_str[12] */
1270 #else
1271     strcpy((void *) w, "pwr_key");		/* char reason_str[12] */
1272 #endif
1273     w += 6;
1274 
1275     tag = (model == 810) ? "RX-44" : "RX-34";
1276     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1277     stw_p(w++, 24);				/* u16 len */
1278     strcpy((void *) w, "product");		/* char component[12] */
1279     w += 6;
1280     strcpy((void *) w, tag);			/* char version[12] */
1281     w += 6;
1282 
1283     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1284     stw_p(w++, 24);				/* u16 len */
1285     strcpy((void *) w, "hw-build");		/* char component[12] */
1286     w += 6;
1287     strcpy((void *) w, "QEMU ");
1288     pstrcat((void *) w, 12, qemu_hw_version()); /* char version[12] */
1289     w += 6;
1290 
1291     tag = (model == 810) ? "1.1.10-qemu" : "1.1.6-qemu";
1292     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1293     stw_p(w++, 24);				/* u16 len */
1294     strcpy((void *) w, "nolo");			/* char component[12] */
1295     w += 6;
1296     strcpy((void *) w, tag);			/* char version[12] */
1297     w += 6;
1298 
1299     return (void *) w - p;
1300 }
1301 
1302 static int n800_atag_setup(const struct arm_boot_info *info, void *p)
1303 {
1304     return n8x0_atag_setup(p, 800);
1305 }
1306 
1307 static int n810_atag_setup(const struct arm_boot_info *info, void *p)
1308 {
1309     return n8x0_atag_setup(p, 810);
1310 }
1311 
1312 static void n8x0_init(MachineState *machine,
1313                       struct arm_boot_info *binfo, int model)
1314 {
1315     struct n800_s *s = (struct n800_s *) g_malloc0(sizeof(*s));
1316     uint64_t sdram_size = binfo->ram_size;
1317 
1318     memory_region_allocate_system_memory(&s->sdram, NULL, "omap2.dram",
1319                                          sdram_size);
1320     memory_region_add_subregion(get_system_memory(), OMAP2_Q2_BASE, &s->sdram);
1321 
1322     s->mpu = omap2420_mpu_init(&s->sdram, machine->cpu_type);
1323 
1324     /* Setup peripherals
1325      *
1326      * Believed external peripherals layout in the N810:
1327      * (spi bus 1)
1328      *   tsc2005
1329      *   lcd_mipid
1330      * (spi bus 2)
1331      *   Conexant cx3110x (WLAN)
1332      *   optional: pc2400m (WiMAX)
1333      * (i2c bus 0)
1334      *   TLV320AIC33 (audio codec)
1335      *   TCM825x (camera by Toshiba)
1336      *   lp5521 (clever LEDs)
1337      *   tsl2563 (light sensor, hwmon, model 7, rev. 0)
1338      *   lm8323 (keypad, manf 00, rev 04)
1339      * (i2c bus 1)
1340      *   tmp105 (temperature sensor, hwmon)
1341      *   menelaus (pm)
1342      * (somewhere on i2c - maybe N800-only)
1343      *   tea5761 (FM tuner)
1344      * (serial 0)
1345      *   GPS
1346      * (some serial port)
1347      *   csr41814 (Bluetooth)
1348      */
1349     n8x0_gpio_setup(s);
1350     n8x0_nand_setup(s);
1351     n8x0_i2c_setup(s);
1352     if (model == 800) {
1353         n800_tsc_kbd_setup(s);
1354     } else if (model == 810) {
1355         n810_tsc_setup(s);
1356         n810_kbd_setup(s);
1357     }
1358     n8x0_spi_setup(s);
1359     n8x0_dss_setup(s);
1360     n8x0_cbus_setup(s);
1361     n8x0_uart_setup(s);
1362     if (machine_usb(machine)) {
1363         n8x0_usb_setup(s);
1364     }
1365 
1366     if (machine->kernel_filename) {
1367         /* Or at the linux loader.  */
1368         arm_load_kernel(s->mpu->cpu, machine, binfo);
1369 
1370         qemu_register_reset(n8x0_boot_init, s);
1371     }
1372 
1373     if (option_rom[0].name &&
1374         (machine->boot_order[0] == 'n' || !machine->kernel_filename)) {
1375         uint8_t *nolo_tags = g_new(uint8_t, 0x10000);
1376         /* No, wait, better start at the ROM.  */
1377         s->mpu->cpu->env.regs[15] = OMAP2_Q2_BASE + 0x400000;
1378 
1379         /* This is intended for loading the `secondary.bin' program from
1380          * Nokia images (the NOLO bootloader).  The entry point seems
1381          * to be at OMAP2_Q2_BASE + 0x400000.
1382          *
1383          * The `2nd.bin' files contain some kind of earlier boot code and
1384          * for them the entry point needs to be set to OMAP2_SRAM_BASE.
1385          *
1386          * The code above is for loading the `zImage' file from Nokia
1387          * images.  */
1388         load_image_targphys(option_rom[0].name,
1389                             OMAP2_Q2_BASE + 0x400000,
1390                             sdram_size - 0x400000);
1391 
1392         n800_setup_nolo_tags(nolo_tags);
1393         cpu_physical_memory_write(OMAP2_SRAM_BASE, nolo_tags, 0x10000);
1394         g_free(nolo_tags);
1395     }
1396 }
1397 
1398 static struct arm_boot_info n800_binfo = {
1399     .loader_start = OMAP2_Q2_BASE,
1400     /* Actually two chips of 0x4000000 bytes each */
1401     .ram_size = 0x08000000,
1402     .board_id = 0x4f7,
1403     .atag_board = n800_atag_setup,
1404 };
1405 
1406 static struct arm_boot_info n810_binfo = {
1407     .loader_start = OMAP2_Q2_BASE,
1408     /* Actually two chips of 0x4000000 bytes each */
1409     .ram_size = 0x08000000,
1410     /* 0x60c and 0x6bf (WiMAX Edition) have been assigned but are not
1411      * used by some older versions of the bootloader and 5555 is used
1412      * instead (including versions that shipped with many devices).  */
1413     .board_id = 0x60c,
1414     .atag_board = n810_atag_setup,
1415 };
1416 
1417 static void n800_init(MachineState *machine)
1418 {
1419     n8x0_init(machine, &n800_binfo, 800);
1420 }
1421 
1422 static void n810_init(MachineState *machine)
1423 {
1424     n8x0_init(machine, &n810_binfo, 810);
1425 }
1426 
1427 static void n800_class_init(ObjectClass *oc, void *data)
1428 {
1429     MachineClass *mc = MACHINE_CLASS(oc);
1430 
1431     mc->desc = "Nokia N800 tablet aka. RX-34 (OMAP2420)";
1432     mc->init = n800_init;
1433     mc->default_boot_order = "";
1434     mc->ignore_memory_transaction_failures = true;
1435     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1136-r2");
1436 }
1437 
1438 static const TypeInfo n800_type = {
1439     .name = MACHINE_TYPE_NAME("n800"),
1440     .parent = TYPE_MACHINE,
1441     .class_init = n800_class_init,
1442 };
1443 
1444 static void n810_class_init(ObjectClass *oc, void *data)
1445 {
1446     MachineClass *mc = MACHINE_CLASS(oc);
1447 
1448     mc->desc = "Nokia N810 tablet aka. RX-44 (OMAP2420)";
1449     mc->init = n810_init;
1450     mc->default_boot_order = "";
1451     mc->ignore_memory_transaction_failures = true;
1452     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1136-r2");
1453 }
1454 
1455 static const TypeInfo n810_type = {
1456     .name = MACHINE_TYPE_NAME("n810"),
1457     .parent = TYPE_MACHINE,
1458     .class_init = n810_class_init,
1459 };
1460 
1461 static void nseries_machine_init(void)
1462 {
1463     type_register_static(&n800_type);
1464     type_register_static(&n810_type);
1465 }
1466 
1467 type_init(nseries_machine_init)
1468