xref: /openbmc/qemu/hw/arm/nseries.c (revision 6a0acfff)
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/sysemu.h"
28 #include "hw/arm/omap.h"
29 #include "hw/arm/boot.h"
30 #include "hw/irq.h"
31 #include "ui/console.h"
32 #include "hw/boards.h"
33 #include "hw/i2c/i2c.h"
34 #include "hw/display/blizzard.h"
35 #include "hw/input/tsc2xxx.h"
36 #include "hw/misc/cbus.h"
37 #include "hw/misc/tmp105.h"
38 #include "hw/block/flash.h"
39 #include "hw/hw.h"
40 #include "hw/bt.h"
41 #include "hw/loader.h"
42 #include "hw/sysbus.h"
43 #include "qemu/log.h"
44 #include "exec/address-spaces.h"
45 
46 /* Nokia N8x0 support */
47 struct n800_s {
48     struct omap_mpu_state_s *mpu;
49 
50     struct rfbi_chip_s blizzard;
51     struct {
52         void *opaque;
53         uint32_t (*txrx)(void *opaque, uint32_t value, int len);
54         uWireSlave *chip;
55     } ts;
56 
57     int keymap[0x80];
58     DeviceState *kbd;
59 
60     DeviceState *usb;
61     void *retu;
62     void *tahvo;
63     DeviceState *nand;
64 };
65 
66 /* GPIO pins */
67 #define N8X0_TUSB_ENABLE_GPIO		0
68 #define N800_MMC2_WP_GPIO		8
69 #define N800_UNKNOWN_GPIO0		9	/* out */
70 #define N810_MMC2_VIOSD_GPIO		9
71 #define N810_HEADSET_AMP_GPIO		10
72 #define N800_CAM_TURN_GPIO		12
73 #define N810_GPS_RESET_GPIO		12
74 #define N800_BLIZZARD_POWERDOWN_GPIO	15
75 #define N800_MMC1_WP_GPIO		23
76 #define N810_MMC2_VSD_GPIO		23
77 #define N8X0_ONENAND_GPIO		26
78 #define N810_BLIZZARD_RESET_GPIO	30
79 #define N800_UNKNOWN_GPIO2		53	/* out */
80 #define N8X0_TUSB_INT_GPIO		58
81 #define N8X0_BT_WKUP_GPIO		61
82 #define N8X0_STI_GPIO			62
83 #define N8X0_CBUS_SEL_GPIO		64
84 #define N8X0_CBUS_DAT_GPIO		65
85 #define N8X0_CBUS_CLK_GPIO		66
86 #define N8X0_WLAN_IRQ_GPIO		87
87 #define N8X0_BT_RESET_GPIO		92
88 #define N8X0_TEA5761_CS_GPIO		93
89 #define N800_UNKNOWN_GPIO		94
90 #define N810_TSC_RESET_GPIO		94
91 #define N800_CAM_ACT_GPIO		95
92 #define N810_GPS_WAKEUP_GPIO		95
93 #define N8X0_MMC_CS_GPIO		96
94 #define N8X0_WLAN_PWR_GPIO		97
95 #define N8X0_BT_HOST_WKUP_GPIO		98
96 #define N810_SPEAKER_AMP_GPIO		101
97 #define N810_KB_LOCK_GPIO		102
98 #define N800_TSC_TS_GPIO		103
99 #define N810_TSC_TS_GPIO		106
100 #define N8X0_HEADPHONE_GPIO		107
101 #define N8X0_RETU_GPIO			108
102 #define N800_TSC_KP_IRQ_GPIO		109
103 #define N810_KEYBOARD_GPIO		109
104 #define N800_BAT_COVER_GPIO		110
105 #define N810_SLIDE_GPIO			110
106 #define N8X0_TAHVO_GPIO			111
107 #define N800_UNKNOWN_GPIO4		112	/* out */
108 #define N810_SLEEPX_LED_GPIO		112
109 #define N800_TSC_RESET_GPIO		118	/* ? */
110 #define N810_AIC33_RESET_GPIO		118
111 #define N800_TSC_UNKNOWN_GPIO		119	/* out */
112 #define N8X0_TMP105_GPIO		125
113 
114 /* Config */
115 #define BT_UART				0
116 #define XLDR_LL_UART			1
117 
118 /* Addresses on the I2C bus 0 */
119 #define N810_TLV320AIC33_ADDR		0x18	/* Audio CODEC */
120 #define N8X0_TCM825x_ADDR		0x29	/* Camera */
121 #define N810_LP5521_ADDR		0x32	/* LEDs */
122 #define N810_TSL2563_ADDR		0x3d	/* Light sensor */
123 #define N810_LM8323_ADDR		0x45	/* Keyboard */
124 /* Addresses on the I2C bus 1 */
125 #define N8X0_TMP105_ADDR		0x48	/* Temperature sensor */
126 #define N8X0_MENELAUS_ADDR		0x72	/* Power management */
127 
128 /* Chipselects on GPMC NOR interface */
129 #define N8X0_ONENAND_CS			0
130 #define N8X0_USB_ASYNC_CS		1
131 #define N8X0_USB_SYNC_CS		4
132 
133 #define N8X0_BD_ADDR			0x00, 0x1a, 0x89, 0x9e, 0x3e, 0x81
134 
135 static void n800_mmc_cs_cb(void *opaque, int line, int level)
136 {
137     /* TODO: this seems to actually be connected to the menelaus, to
138      * which also both MMC slots connect.  */
139     omap_mmc_enable((struct omap_mmc_s *) opaque, !level);
140 }
141 
142 static void n8x0_gpio_setup(struct n800_s *s)
143 {
144     qdev_connect_gpio_out(s->mpu->gpio, N8X0_MMC_CS_GPIO,
145                           qemu_allocate_irq(n800_mmc_cs_cb, s->mpu->mmc, 0));
146     qemu_irq_lower(qdev_get_gpio_in(s->mpu->gpio, N800_BAT_COVER_GPIO));
147 }
148 
149 #define MAEMO_CAL_HEADER(...)				\
150     'C',  'o',  'n',  'F',  0x02, 0x00, 0x04, 0x00,	\
151     __VA_ARGS__,					\
152     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
153 
154 static const uint8_t n8x0_cal_wlan_mac[] = {
155     MAEMO_CAL_HEADER('w', 'l', 'a', 'n', '-', 'm', 'a', 'c')
156     0x1c, 0x00, 0x00, 0x00, 0x47, 0xd6, 0x69, 0xb3,
157     0x30, 0x08, 0xa0, 0x83, 0x00, 0x00, 0x00, 0x00,
158     0x00, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x00, 0x00,
159     0x89, 0x00, 0x00, 0x00, 0x9e, 0x00, 0x00, 0x00,
160     0x5d, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00,
161 };
162 
163 static const uint8_t n8x0_cal_bt_id[] = {
164     MAEMO_CAL_HEADER('b', 't', '-', 'i', 'd', 0, 0, 0)
165     0x0a, 0x00, 0x00, 0x00, 0xa3, 0x4b, 0xf6, 0x96,
166     0xa8, 0xeb, 0xb2, 0x41, 0x00, 0x00, 0x00, 0x00,
167     N8X0_BD_ADDR,
168 };
169 
170 static void n8x0_nand_setup(struct n800_s *s)
171 {
172     char *otp_region;
173     DriveInfo *dinfo;
174 
175     s->nand = qdev_create(NULL, "onenand");
176     qdev_prop_set_uint16(s->nand, "manufacturer_id", NAND_MFR_SAMSUNG);
177     /* Either 0x40 or 0x48 are OK for the device ID */
178     qdev_prop_set_uint16(s->nand, "device_id", 0x48);
179     qdev_prop_set_uint16(s->nand, "version_id", 0);
180     qdev_prop_set_int32(s->nand, "shift", 1);
181     dinfo = drive_get(IF_MTD, 0, 0);
182     if (dinfo) {
183         qdev_prop_set_drive(s->nand, "drive", blk_by_legacy_dinfo(dinfo),
184                             &error_fatal);
185     }
186     qdev_init_nofail(s->nand);
187     sysbus_connect_irq(SYS_BUS_DEVICE(s->nand), 0,
188                        qdev_get_gpio_in(s->mpu->gpio, N8X0_ONENAND_GPIO));
189     omap_gpmc_attach(s->mpu->gpmc, N8X0_ONENAND_CS,
190                      sysbus_mmio_get_region(SYS_BUS_DEVICE(s->nand), 0));
191     otp_region = onenand_raw_otp(s->nand);
192 
193     memcpy(otp_region + 0x000, n8x0_cal_wlan_mac, sizeof(n8x0_cal_wlan_mac));
194     memcpy(otp_region + 0x800, n8x0_cal_bt_id, sizeof(n8x0_cal_bt_id));
195     /* XXX: in theory should also update the OOB for both pages */
196 }
197 
198 static qemu_irq n8x0_system_powerdown;
199 
200 static void n8x0_powerdown_req(Notifier *n, void *opaque)
201 {
202     qemu_irq_raise(n8x0_system_powerdown);
203 }
204 
205 static Notifier n8x0_system_powerdown_notifier = {
206     .notify = n8x0_powerdown_req
207 };
208 
209 static void n8x0_i2c_setup(struct n800_s *s)
210 {
211     DeviceState *dev;
212     qemu_irq tmp_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_TMP105_GPIO);
213     I2CBus *i2c = omap_i2c_bus(s->mpu->i2c[0]);
214 
215     /* Attach a menelaus PM chip */
216     dev = i2c_create_slave(i2c, "twl92230", N8X0_MENELAUS_ADDR);
217     qdev_connect_gpio_out(dev, 3,
218                           qdev_get_gpio_in(s->mpu->ih[0],
219                                            OMAP_INT_24XX_SYS_NIRQ));
220 
221     n8x0_system_powerdown = qdev_get_gpio_in(dev, 3);
222     qemu_register_powerdown_notifier(&n8x0_system_powerdown_notifier);
223 
224     /* Attach a TMP105 PM chip (A0 wired to ground) */
225     dev = i2c_create_slave(i2c, TYPE_TMP105, N8X0_TMP105_ADDR);
226     qdev_connect_gpio_out(dev, 0, tmp_irq);
227 }
228 
229 /* Touchscreen and keypad controller */
230 static MouseTransformInfo n800_pointercal = {
231     .x = 800,
232     .y = 480,
233     .a = { 14560, -68, -3455208, -39, -9621, 35152972, 65536 },
234 };
235 
236 static MouseTransformInfo n810_pointercal = {
237     .x = 800,
238     .y = 480,
239     .a = { 15041, 148, -4731056, 171, -10238, 35933380, 65536 },
240 };
241 
242 #define RETU_KEYCODE	61	/* F3 */
243 
244 static void n800_key_event(void *opaque, int keycode)
245 {
246     struct n800_s *s = (struct n800_s *) opaque;
247     int code = s->keymap[keycode & 0x7f];
248 
249     if (code == -1) {
250         if ((keycode & 0x7f) == RETU_KEYCODE) {
251             retu_key_event(s->retu, !(keycode & 0x80));
252         }
253         return;
254     }
255 
256     tsc210x_key_event(s->ts.chip, code, !(keycode & 0x80));
257 }
258 
259 static const int n800_keys[16] = {
260     -1,
261     72,	/* Up */
262     63,	/* Home (F5) */
263     -1,
264     75,	/* Left */
265     28,	/* Enter */
266     77,	/* Right */
267     -1,
268      1,	/* Cycle (ESC) */
269     80,	/* Down */
270     62,	/* Menu (F4) */
271     -1,
272     66,	/* Zoom- (F8) */
273     64,	/* FullScreen (F6) */
274     65,	/* Zoom+ (F7) */
275     -1,
276 };
277 
278 static void n800_tsc_kbd_setup(struct n800_s *s)
279 {
280     int i;
281 
282     /* XXX: are the three pins inverted inside the chip between the
283      * tsc and the cpu (N4111)?  */
284     qemu_irq penirq = NULL;	/* NC */
285     qemu_irq kbirq = qdev_get_gpio_in(s->mpu->gpio, N800_TSC_KP_IRQ_GPIO);
286     qemu_irq dav = qdev_get_gpio_in(s->mpu->gpio, N800_TSC_TS_GPIO);
287 
288     s->ts.chip = tsc2301_init(penirq, kbirq, dav);
289     s->ts.opaque = s->ts.chip->opaque;
290     s->ts.txrx = tsc210x_txrx;
291 
292     for (i = 0; i < 0x80; i++) {
293         s->keymap[i] = -1;
294     }
295     for (i = 0; i < 0x10; i++) {
296         if (n800_keys[i] >= 0) {
297             s->keymap[n800_keys[i]] = i;
298         }
299     }
300 
301     qemu_add_kbd_event_handler(n800_key_event, s);
302 
303     tsc210x_set_transform(s->ts.chip, &n800_pointercal);
304 }
305 
306 static void n810_tsc_setup(struct n800_s *s)
307 {
308     qemu_irq pintdav = qdev_get_gpio_in(s->mpu->gpio, N810_TSC_TS_GPIO);
309 
310     s->ts.opaque = tsc2005_init(pintdav);
311     s->ts.txrx = tsc2005_txrx;
312 
313     tsc2005_set_transform(s->ts.opaque, &n810_pointercal);
314 }
315 
316 /* N810 Keyboard controller */
317 static void n810_key_event(void *opaque, int keycode)
318 {
319     struct n800_s *s = (struct n800_s *) opaque;
320     int code = s->keymap[keycode & 0x7f];
321 
322     if (code == -1) {
323         if ((keycode & 0x7f) == RETU_KEYCODE) {
324             retu_key_event(s->retu, !(keycode & 0x80));
325         }
326         return;
327     }
328 
329     lm832x_key_event(s->kbd, code, !(keycode & 0x80));
330 }
331 
332 #define M	0
333 
334 static int n810_keys[0x80] = {
335     [0x01] = 16,	/* Q */
336     [0x02] = 37,	/* K */
337     [0x03] = 24,	/* O */
338     [0x04] = 25,	/* P */
339     [0x05] = 14,	/* Backspace */
340     [0x06] = 30,	/* A */
341     [0x07] = 31,	/* S */
342     [0x08] = 32,	/* D */
343     [0x09] = 33,	/* F */
344     [0x0a] = 34,	/* G */
345     [0x0b] = 35,	/* H */
346     [0x0c] = 36,	/* J */
347 
348     [0x11] = 17,	/* W */
349     [0x12] = 62,	/* Menu (F4) */
350     [0x13] = 38,	/* L */
351     [0x14] = 40,	/* ' (Apostrophe) */
352     [0x16] = 44,	/* Z */
353     [0x17] = 45,	/* X */
354     [0x18] = 46,	/* C */
355     [0x19] = 47,	/* V */
356     [0x1a] = 48,	/* B */
357     [0x1b] = 49,	/* N */
358     [0x1c] = 42,	/* Shift (Left shift) */
359     [0x1f] = 65,	/* Zoom+ (F7) */
360 
361     [0x21] = 18,	/* E */
362     [0x22] = 39,	/* ; (Semicolon) */
363     [0x23] = 12,	/* - (Minus) */
364     [0x24] = 13,	/* = (Equal) */
365     [0x2b] = 56,	/* Fn (Left Alt) */
366     [0x2c] = 50,	/* M */
367     [0x2f] = 66,	/* Zoom- (F8) */
368 
369     [0x31] = 19,	/* R */
370     [0x32] = 29 | M,	/* Right Ctrl */
371     [0x34] = 57,	/* Space */
372     [0x35] = 51,	/* , (Comma) */
373     [0x37] = 72 | M,	/* Up */
374     [0x3c] = 82 | M,	/* Compose (Insert) */
375     [0x3f] = 64,	/* FullScreen (F6) */
376 
377     [0x41] = 20,	/* T */
378     [0x44] = 52,	/* . (Dot) */
379     [0x46] = 77 | M,	/* Right */
380     [0x4f] = 63,	/* Home (F5) */
381     [0x51] = 21,	/* Y */
382     [0x53] = 80 | M,	/* Down */
383     [0x55] = 28,	/* Enter */
384     [0x5f] =  1,	/* Cycle (ESC) */
385 
386     [0x61] = 22,	/* U */
387     [0x64] = 75 | M,	/* Left */
388 
389     [0x71] = 23,	/* I */
390 #if 0
391     [0x75] = 28 | M,	/* KP Enter (KP Enter) */
392 #else
393     [0x75] = 15,	/* KP Enter (Tab) */
394 #endif
395 };
396 
397 #undef M
398 
399 static void n810_kbd_setup(struct n800_s *s)
400 {
401     qemu_irq kbd_irq = qdev_get_gpio_in(s->mpu->gpio, N810_KEYBOARD_GPIO);
402     int i;
403 
404     for (i = 0; i < 0x80; i++) {
405         s->keymap[i] = -1;
406     }
407     for (i = 0; i < 0x80; i++) {
408         if (n810_keys[i] > 0) {
409             s->keymap[n810_keys[i]] = i;
410         }
411     }
412 
413     qemu_add_kbd_event_handler(n810_key_event, s);
414 
415     /* Attach the LM8322 keyboard to the I2C bus,
416      * should happen in n8x0_i2c_setup and s->kbd be initialised here.  */
417     s->kbd = i2c_create_slave(omap_i2c_bus(s->mpu->i2c[0]),
418                            "lm8323", N810_LM8323_ADDR);
419     qdev_connect_gpio_out(s->kbd, 0, kbd_irq);
420 }
421 
422 /* LCD MIPI DBI-C controller (URAL) */
423 struct mipid_s {
424     int resp[4];
425     int param[4];
426     int p;
427     int pm;
428     int cmd;
429 
430     int sleep;
431     int booster;
432     int te;
433     int selfcheck;
434     int partial;
435     int normal;
436     int vscr;
437     int invert;
438     int onoff;
439     int gamma;
440     uint32_t id;
441 };
442 
443 static void mipid_reset(struct mipid_s *s)
444 {
445     s->pm = 0;
446     s->cmd = 0;
447 
448     s->sleep = 1;
449     s->booster = 0;
450     s->selfcheck =
451             (1 << 7) |	/* Register loading OK.  */
452             (1 << 5) |	/* The chip is attached.  */
453             (1 << 4);	/* Display glass still in one piece.  */
454     s->te = 0;
455     s->partial = 0;
456     s->normal = 1;
457     s->vscr = 0;
458     s->invert = 0;
459     s->onoff = 1;
460     s->gamma = 0;
461 }
462 
463 static uint32_t mipid_txrx(void *opaque, uint32_t cmd, int len)
464 {
465     struct mipid_s *s = (struct mipid_s *) opaque;
466     uint8_t ret;
467 
468     if (len > 9) {
469         hw_error("%s: FIXME: bad SPI word width %i\n", __func__, len);
470     }
471 
472     if (s->p >= ARRAY_SIZE(s->resp)) {
473         ret = 0;
474     } else {
475         ret = s->resp[s->p++];
476     }
477     if (s->pm-- > 0) {
478         s->param[s->pm] = cmd;
479     } else {
480         s->cmd = cmd;
481     }
482 
483     switch (s->cmd) {
484     case 0x00:	/* NOP */
485         break;
486 
487     case 0x01:	/* SWRESET */
488         mipid_reset(s);
489         break;
490 
491     case 0x02:	/* BSTROFF */
492         s->booster = 0;
493         break;
494     case 0x03:	/* BSTRON */
495         s->booster = 1;
496         break;
497 
498     case 0x04:	/* RDDID */
499         s->p = 0;
500         s->resp[0] = (s->id >> 16) & 0xff;
501         s->resp[1] = (s->id >>  8) & 0xff;
502         s->resp[2] = (s->id >>  0) & 0xff;
503         break;
504 
505     case 0x06:	/* RD_RED */
506     case 0x07:	/* RD_GREEN */
507         /* XXX the bootloader sometimes issues RD_BLUE meaning RDDID so
508          * for the bootloader one needs to change this.  */
509     case 0x08:	/* RD_BLUE */
510         s->p = 0;
511         /* TODO: return first pixel components */
512         s->resp[0] = 0x01;
513         break;
514 
515     case 0x09:	/* RDDST */
516         s->p = 0;
517         s->resp[0] = s->booster << 7;
518         s->resp[1] = (5 << 4) | (s->partial << 2) |
519                 (s->sleep << 1) | s->normal;
520         s->resp[2] = (s->vscr << 7) | (s->invert << 5) |
521                 (s->onoff << 2) | (s->te << 1) | (s->gamma >> 2);
522         s->resp[3] = s->gamma << 6;
523         break;
524 
525     case 0x0a:	/* RDDPM */
526         s->p = 0;
527         s->resp[0] = (s->onoff << 2) | (s->normal << 3) | (s->sleep << 4) |
528                 (s->partial << 5) | (s->sleep << 6) | (s->booster << 7);
529         break;
530     case 0x0b:	/* RDDMADCTR */
531         s->p = 0;
532         s->resp[0] = 0;
533         break;
534     case 0x0c:	/* RDDCOLMOD */
535         s->p = 0;
536         s->resp[0] = 5;	/* 65K colours */
537         break;
538     case 0x0d:	/* RDDIM */
539         s->p = 0;
540         s->resp[0] = (s->invert << 5) | (s->vscr << 7) | s->gamma;
541         break;
542     case 0x0e:	/* RDDSM */
543         s->p = 0;
544         s->resp[0] = s->te << 7;
545         break;
546     case 0x0f:	/* RDDSDR */
547         s->p = 0;
548         s->resp[0] = s->selfcheck;
549         break;
550 
551     case 0x10:	/* SLPIN */
552         s->sleep = 1;
553         break;
554     case 0x11:	/* SLPOUT */
555         s->sleep = 0;
556         s->selfcheck ^= 1 << 6;	/* POFF self-diagnosis Ok */
557         break;
558 
559     case 0x12:	/* PTLON */
560         s->partial = 1;
561         s->normal = 0;
562         s->vscr = 0;
563         break;
564     case 0x13:	/* NORON */
565         s->partial = 0;
566         s->normal = 1;
567         s->vscr = 0;
568         break;
569 
570     case 0x20:	/* INVOFF */
571         s->invert = 0;
572         break;
573     case 0x21:	/* INVON */
574         s->invert = 1;
575         break;
576 
577     case 0x22:	/* APOFF */
578     case 0x23:	/* APON */
579         goto bad_cmd;
580 
581     case 0x25:	/* WRCNTR */
582         if (s->pm < 0) {
583             s->pm = 1;
584         }
585         goto bad_cmd;
586 
587     case 0x26:	/* GAMSET */
588         if (!s->pm) {
589             s->gamma = ctz32(s->param[0] & 0xf);
590             if (s->gamma == 32) {
591                 s->gamma = -1; /* XXX: should this be 0? */
592             }
593         } else if (s->pm < 0) {
594             s->pm = 1;
595         }
596         break;
597 
598     case 0x28:	/* DISPOFF */
599         s->onoff = 0;
600         break;
601     case 0x29:	/* DISPON */
602         s->onoff = 1;
603         break;
604 
605     case 0x2a:	/* CASET */
606     case 0x2b:	/* RASET */
607     case 0x2c:	/* RAMWR */
608     case 0x2d:	/* RGBSET */
609     case 0x2e:	/* RAMRD */
610     case 0x30:	/* PTLAR */
611     case 0x33:	/* SCRLAR */
612         goto bad_cmd;
613 
614     case 0x34:	/* TEOFF */
615         s->te = 0;
616         break;
617     case 0x35:	/* TEON */
618         if (!s->pm) {
619             s->te = 1;
620         } else if (s->pm < 0) {
621             s->pm = 1;
622         }
623         break;
624 
625     case 0x36:	/* MADCTR */
626         goto bad_cmd;
627 
628     case 0x37:	/* VSCSAD */
629         s->partial = 0;
630         s->normal = 0;
631         s->vscr = 1;
632         break;
633 
634     case 0x38:	/* IDMOFF */
635     case 0x39:	/* IDMON */
636     case 0x3a:	/* COLMOD */
637         goto bad_cmd;
638 
639     case 0xb0:	/* CLKINT / DISCTL */
640     case 0xb1:	/* CLKEXT */
641         if (s->pm < 0) {
642             s->pm = 2;
643         }
644         break;
645 
646     case 0xb4:	/* FRMSEL */
647         break;
648 
649     case 0xb5:	/* FRM8SEL */
650     case 0xb6:	/* TMPRNG / INIESC */
651     case 0xb7:	/* TMPHIS / NOP2 */
652     case 0xb8:	/* TMPREAD / MADCTL */
653     case 0xba:	/* DISTCTR */
654     case 0xbb:	/* EPVOL */
655         goto bad_cmd;
656 
657     case 0xbd:	/* Unknown */
658         s->p = 0;
659         s->resp[0] = 0;
660         s->resp[1] = 1;
661         break;
662 
663     case 0xc2:	/* IFMOD */
664         if (s->pm < 0) {
665             s->pm = 2;
666         }
667         break;
668 
669     case 0xc6:	/* PWRCTL */
670     case 0xc7:	/* PPWRCTL */
671     case 0xd0:	/* EPWROUT */
672     case 0xd1:	/* EPWRIN */
673     case 0xd4:	/* RDEV */
674     case 0xd5:	/* RDRR */
675         goto bad_cmd;
676 
677     case 0xda:	/* RDID1 */
678         s->p = 0;
679         s->resp[0] = (s->id >> 16) & 0xff;
680         break;
681     case 0xdb:	/* RDID2 */
682         s->p = 0;
683         s->resp[0] = (s->id >>  8) & 0xff;
684         break;
685     case 0xdc:	/* RDID3 */
686         s->p = 0;
687         s->resp[0] = (s->id >>  0) & 0xff;
688         break;
689 
690     default:
691     bad_cmd:
692         qemu_log_mask(LOG_GUEST_ERROR,
693                       "%s: unknown command %02x\n", __func__, s->cmd);
694         break;
695     }
696 
697     return ret;
698 }
699 
700 static void *mipid_init(void)
701 {
702     struct mipid_s *s = (struct mipid_s *) g_malloc0(sizeof(*s));
703 
704     s->id = 0x838f03;
705     mipid_reset(s);
706 
707     return s;
708 }
709 
710 static void n8x0_spi_setup(struct n800_s *s)
711 {
712     void *tsc = s->ts.opaque;
713     void *mipid = mipid_init();
714 
715     omap_mcspi_attach(s->mpu->mcspi[0], s->ts.txrx, tsc, 0);
716     omap_mcspi_attach(s->mpu->mcspi[0], mipid_txrx, mipid, 1);
717 }
718 
719 /* This task is normally performed by the bootloader.  If we're loading
720  * a kernel directly, we need to enable the Blizzard ourselves.  */
721 static void n800_dss_init(struct rfbi_chip_s *chip)
722 {
723     uint8_t *fb_blank;
724 
725     chip->write(chip->opaque, 0, 0x2a);		/* LCD Width register */
726     chip->write(chip->opaque, 1, 0x64);
727     chip->write(chip->opaque, 0, 0x2c);		/* LCD HNDP register */
728     chip->write(chip->opaque, 1, 0x1e);
729     chip->write(chip->opaque, 0, 0x2e);		/* LCD Height 0 register */
730     chip->write(chip->opaque, 1, 0xe0);
731     chip->write(chip->opaque, 0, 0x30);		/* LCD Height 1 register */
732     chip->write(chip->opaque, 1, 0x01);
733     chip->write(chip->opaque, 0, 0x32);		/* LCD VNDP register */
734     chip->write(chip->opaque, 1, 0x06);
735     chip->write(chip->opaque, 0, 0x68);		/* Display Mode register */
736     chip->write(chip->opaque, 1, 1);		/* Enable bit */
737 
738     chip->write(chip->opaque, 0, 0x6c);
739     chip->write(chip->opaque, 1, 0x00);		/* Input X Start Position */
740     chip->write(chip->opaque, 1, 0x00);		/* Input X Start Position */
741     chip->write(chip->opaque, 1, 0x00);		/* Input Y Start Position */
742     chip->write(chip->opaque, 1, 0x00);		/* Input Y Start Position */
743     chip->write(chip->opaque, 1, 0x1f);		/* Input X End Position */
744     chip->write(chip->opaque, 1, 0x03);		/* Input X End Position */
745     chip->write(chip->opaque, 1, 0xdf);		/* Input Y End Position */
746     chip->write(chip->opaque, 1, 0x01);		/* Input Y End Position */
747     chip->write(chip->opaque, 1, 0x00);		/* Output X Start Position */
748     chip->write(chip->opaque, 1, 0x00);		/* Output X Start Position */
749     chip->write(chip->opaque, 1, 0x00);		/* Output Y Start Position */
750     chip->write(chip->opaque, 1, 0x00);		/* Output Y Start Position */
751     chip->write(chip->opaque, 1, 0x1f);		/* Output X End Position */
752     chip->write(chip->opaque, 1, 0x03);		/* Output X End Position */
753     chip->write(chip->opaque, 1, 0xdf);		/* Output Y End Position */
754     chip->write(chip->opaque, 1, 0x01);		/* Output Y End Position */
755     chip->write(chip->opaque, 1, 0x01);		/* Input Data Format */
756     chip->write(chip->opaque, 1, 0x01);		/* Data Source Select */
757 
758     fb_blank = memset(g_malloc(800 * 480 * 2), 0xff, 800 * 480 * 2);
759     /* Display Memory Data Port */
760     chip->block(chip->opaque, 1, fb_blank, 800 * 480 * 2, 800);
761     g_free(fb_blank);
762 }
763 
764 static void n8x0_dss_setup(struct n800_s *s)
765 {
766     s->blizzard.opaque = s1d13745_init(NULL);
767     s->blizzard.block = s1d13745_write_block;
768     s->blizzard.write = s1d13745_write;
769     s->blizzard.read = s1d13745_read;
770 
771     omap_rfbi_attach(s->mpu->dss, 0, &s->blizzard);
772 }
773 
774 static void n8x0_cbus_setup(struct n800_s *s)
775 {
776     qemu_irq dat_out = qdev_get_gpio_in(s->mpu->gpio, N8X0_CBUS_DAT_GPIO);
777     qemu_irq retu_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_RETU_GPIO);
778     qemu_irq tahvo_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_TAHVO_GPIO);
779 
780     CBus *cbus = cbus_init(dat_out);
781 
782     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_CLK_GPIO, cbus->clk);
783     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_DAT_GPIO, cbus->dat);
784     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_SEL_GPIO, cbus->sel);
785 
786     cbus_attach(cbus, s->retu = retu_init(retu_irq, 1));
787     cbus_attach(cbus, s->tahvo = tahvo_init(tahvo_irq, 1));
788 }
789 
790 static void n8x0_uart_setup(struct n800_s *s)
791 {
792     Chardev *radio = uart_hci_init();
793 
794     qdev_connect_gpio_out(s->mpu->gpio, N8X0_BT_RESET_GPIO,
795                     csrhci_pins_get(radio)[csrhci_pin_reset]);
796     qdev_connect_gpio_out(s->mpu->gpio, N8X0_BT_WKUP_GPIO,
797                     csrhci_pins_get(radio)[csrhci_pin_wakeup]);
798 
799     omap_uart_attach(s->mpu->uart[BT_UART], radio);
800 }
801 
802 static void n8x0_usb_setup(struct n800_s *s)
803 {
804     SysBusDevice *dev;
805     s->usb = qdev_create(NULL, "tusb6010");
806     dev = SYS_BUS_DEVICE(s->usb);
807     qdev_init_nofail(s->usb);
808     sysbus_connect_irq(dev, 0,
809                        qdev_get_gpio_in(s->mpu->gpio, N8X0_TUSB_INT_GPIO));
810     /* Using the NOR interface */
811     omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_ASYNC_CS,
812                      sysbus_mmio_get_region(dev, 0));
813     omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_SYNC_CS,
814                      sysbus_mmio_get_region(dev, 1));
815     qdev_connect_gpio_out(s->mpu->gpio, N8X0_TUSB_ENABLE_GPIO,
816                           qdev_get_gpio_in(s->usb, 0)); /* tusb_pwr */
817 }
818 
819 /* Setup done before the main bootloader starts by some early setup code
820  * - used when we want to run the main bootloader in emulation.  This
821  * isn't documented.  */
822 static uint32_t n800_pinout[104] = {
823     0x080f00d8, 0x00d40808, 0x03080808, 0x080800d0,
824     0x00dc0808, 0x0b0f0f00, 0x080800b4, 0x00c00808,
825     0x08080808, 0x180800c4, 0x00b80000, 0x08080808,
826     0x080800bc, 0x00cc0808, 0x08081818, 0x18180128,
827     0x01241800, 0x18181818, 0x000000f0, 0x01300000,
828     0x00001b0b, 0x1b0f0138, 0x00e0181b, 0x1b031b0b,
829     0x180f0078, 0x00740018, 0x0f0f0f1a, 0x00000080,
830     0x007c0000, 0x00000000, 0x00000088, 0x00840000,
831     0x00000000, 0x00000094, 0x00980300, 0x0f180003,
832     0x0000008c, 0x00900f0f, 0x0f0f1b00, 0x0f00009c,
833     0x01140000, 0x1b1b0f18, 0x0818013c, 0x01400008,
834     0x00001818, 0x000b0110, 0x010c1800, 0x0b030b0f,
835     0x181800f4, 0x00f81818, 0x00000018, 0x000000fc,
836     0x00401808, 0x00000000, 0x0f1b0030, 0x003c0008,
837     0x00000000, 0x00000038, 0x00340000, 0x00000000,
838     0x1a080070, 0x00641a1a, 0x08080808, 0x08080060,
839     0x005c0808, 0x08080808, 0x08080058, 0x00540808,
840     0x08080808, 0x0808006c, 0x00680808, 0x08080808,
841     0x000000a8, 0x00b00000, 0x08080808, 0x000000a0,
842     0x00a40000, 0x00000000, 0x08ff0050, 0x004c0808,
843     0xffffffff, 0xffff0048, 0x0044ffff, 0xffffffff,
844     0x000000ac, 0x01040800, 0x08080b0f, 0x18180100,
845     0x01081818, 0x0b0b1808, 0x1a0300e4, 0x012c0b1a,
846     0x02020018, 0x0b000134, 0x011c0800, 0x0b1b1b00,
847     0x0f0000c8, 0x00ec181b, 0x000f0f02, 0x00180118,
848     0x01200000, 0x0f0b1b1b, 0x0f0200e8, 0x0000020b,
849 };
850 
851 static void n800_setup_nolo_tags(void *sram_base)
852 {
853     int i;
854     uint32_t *p = sram_base + 0x8000;
855     uint32_t *v = sram_base + 0xa000;
856 
857     memset(p, 0, 0x3000);
858 
859     strcpy((void *) (p + 0), "QEMU N800");
860 
861     strcpy((void *) (p + 8), "F5");
862 
863     stl_p(p + 10, 0x04f70000);
864     strcpy((void *) (p + 9), "RX-34");
865 
866     /* RAM size in MB? */
867     stl_p(p + 12, 0x80);
868 
869     /* Pointer to the list of tags */
870     stl_p(p + 13, OMAP2_SRAM_BASE + 0x9000);
871 
872     /* The NOLO tags start here */
873     p = sram_base + 0x9000;
874 #define ADD_TAG(tag, len)				\
875     stw_p((uint16_t *) p + 0, tag);			\
876     stw_p((uint16_t *) p + 1, len); p++;		\
877     stl_p(p++, OMAP2_SRAM_BASE | (((void *) v - sram_base) & 0xffff));
878 
879     /* OMAP STI console? Pin out settings? */
880     ADD_TAG(0x6e01, 414);
881     for (i = 0; i < ARRAY_SIZE(n800_pinout); i++) {
882         stl_p(v++, n800_pinout[i]);
883     }
884 
885     /* Kernel memsize? */
886     ADD_TAG(0x6e05, 1);
887     stl_p(v++, 2);
888 
889     /* NOLO serial console */
890     ADD_TAG(0x6e02, 4);
891     stl_p(v++, XLDR_LL_UART);		/* UART number (1 - 3) */
892 
893 #if 0
894     /* CBUS settings (Retu/AVilma) */
895     ADD_TAG(0x6e03, 6);
896     stw_p((uint16_t *) v + 0, 65);	/* CBUS GPIO0 */
897     stw_p((uint16_t *) v + 1, 66);	/* CBUS GPIO1 */
898     stw_p((uint16_t *) v + 2, 64);	/* CBUS GPIO2 */
899     v += 2;
900 #endif
901 
902     /* Nokia ASIC BB5 (Retu/Tahvo) */
903     ADD_TAG(0x6e0a, 4);
904     stw_p((uint16_t *) v + 0, 111);	/* "Retu" interrupt GPIO */
905     stw_p((uint16_t *) v + 1, 108);	/* "Tahvo" interrupt GPIO */
906     v++;
907 
908     /* LCD console? */
909     ADD_TAG(0x6e04, 4);
910     stw_p((uint16_t *) v + 0, 30);	/* ??? */
911     stw_p((uint16_t *) v + 1, 24);	/* ??? */
912     v++;
913 
914 #if 0
915     /* LCD settings */
916     ADD_TAG(0x6e06, 2);
917     stw_p((uint16_t *) (v++), 15);	/* ??? */
918 #endif
919 
920     /* I^2C (Menelaus) */
921     ADD_TAG(0x6e07, 4);
922     stl_p(v++, 0x00720000);		/* ??? */
923 
924     /* Unknown */
925     ADD_TAG(0x6e0b, 6);
926     stw_p((uint16_t *) v + 0, 94);	/* ??? */
927     stw_p((uint16_t *) v + 1, 23);	/* ??? */
928     stw_p((uint16_t *) v + 2, 0);	/* ??? */
929     v += 2;
930 
931     /* OMAP gpio switch info */
932     ADD_TAG(0x6e0c, 80);
933     strcpy((void *) v, "bat_cover");	v += 3;
934     stw_p((uint16_t *) v + 0, 110);	/* GPIO num ??? */
935     stw_p((uint16_t *) v + 1, 1);	/* GPIO num ??? */
936     v += 2;
937     strcpy((void *) v, "cam_act");	v += 3;
938     stw_p((uint16_t *) v + 0, 95);	/* GPIO num ??? */
939     stw_p((uint16_t *) v + 1, 32);	/* GPIO num ??? */
940     v += 2;
941     strcpy((void *) v, "cam_turn");	v += 3;
942     stw_p((uint16_t *) v + 0, 12);	/* GPIO num ??? */
943     stw_p((uint16_t *) v + 1, 33);	/* GPIO num ??? */
944     v += 2;
945     strcpy((void *) v, "headphone");	v += 3;
946     stw_p((uint16_t *) v + 0, 107);	/* GPIO num ??? */
947     stw_p((uint16_t *) v + 1, 17);	/* GPIO num ??? */
948     v += 2;
949 
950     /* Bluetooth */
951     ADD_TAG(0x6e0e, 12);
952     stl_p(v++, 0x5c623d01);		/* ??? */
953     stl_p(v++, 0x00000201);		/* ??? */
954     stl_p(v++, 0x00000000);		/* ??? */
955 
956     /* CX3110x WLAN settings */
957     ADD_TAG(0x6e0f, 8);
958     stl_p(v++, 0x00610025);		/* ??? */
959     stl_p(v++, 0xffff0057);		/* ??? */
960 
961     /* MMC host settings */
962     ADD_TAG(0x6e10, 12);
963     stl_p(v++, 0xffff000f);		/* ??? */
964     stl_p(v++, 0xffffffff);		/* ??? */
965     stl_p(v++, 0x00000060);		/* ??? */
966 
967     /* OneNAND chip select */
968     ADD_TAG(0x6e11, 10);
969     stl_p(v++, 0x00000401);		/* ??? */
970     stl_p(v++, 0x0002003a);		/* ??? */
971     stl_p(v++, 0x00000002);		/* ??? */
972 
973     /* TEA5761 sensor settings */
974     ADD_TAG(0x6e12, 2);
975     stl_p(v++, 93);			/* GPIO num ??? */
976 
977 #if 0
978     /* Unknown tag */
979     ADD_TAG(6e09, 0);
980 
981     /* Kernel UART / console */
982     ADD_TAG(6e12, 0);
983 #endif
984 
985     /* End of the list */
986     stl_p(p++, 0x00000000);
987     stl_p(p++, 0x00000000);
988 }
989 
990 /* This task is normally performed by the bootloader.  If we're loading
991  * a kernel directly, we need to set up GPMC mappings ourselves.  */
992 static void n800_gpmc_init(struct n800_s *s)
993 {
994     uint32_t config7 =
995             (0xf << 8) |	/* MASKADDRESS */
996             (1 << 6) |		/* CSVALID */
997             (4 << 0);		/* BASEADDRESS */
998 
999     cpu_physical_memory_write(0x6800a078,		/* GPMC_CONFIG7_0 */
1000                               &config7, sizeof(config7));
1001 }
1002 
1003 /* Setup sequence done by the bootloader */
1004 static void n8x0_boot_init(void *opaque)
1005 {
1006     struct n800_s *s = (struct n800_s *) opaque;
1007     uint32_t buf;
1008 
1009     /* PRCM setup */
1010 #define omap_writel(addr, val)	\
1011     buf = (val);			\
1012     cpu_physical_memory_write(addr, &buf, sizeof(buf))
1013 
1014     omap_writel(0x48008060, 0x41);		/* PRCM_CLKSRC_CTRL */
1015     omap_writel(0x48008070, 1);			/* PRCM_CLKOUT_CTRL */
1016     omap_writel(0x48008078, 0);			/* PRCM_CLKEMUL_CTRL */
1017     omap_writel(0x48008090, 0);			/* PRCM_VOLTSETUP */
1018     omap_writel(0x48008094, 0);			/* PRCM_CLKSSETUP */
1019     omap_writel(0x48008098, 0);			/* PRCM_POLCTRL */
1020     omap_writel(0x48008140, 2);			/* CM_CLKSEL_MPU */
1021     omap_writel(0x48008148, 0);			/* CM_CLKSTCTRL_MPU */
1022     omap_writel(0x48008158, 1);			/* RM_RSTST_MPU */
1023     omap_writel(0x480081c8, 0x15);		/* PM_WKDEP_MPU */
1024     omap_writel(0x480081d4, 0x1d4);		/* PM_EVGENCTRL_MPU */
1025     omap_writel(0x480081d8, 0);			/* PM_EVEGENONTIM_MPU */
1026     omap_writel(0x480081dc, 0);			/* PM_EVEGENOFFTIM_MPU */
1027     omap_writel(0x480081e0, 0xc);		/* PM_PWSTCTRL_MPU */
1028     omap_writel(0x48008200, 0x047e7ff7);	/* CM_FCLKEN1_CORE */
1029     omap_writel(0x48008204, 0x00000004);	/* CM_FCLKEN2_CORE */
1030     omap_writel(0x48008210, 0x047e7ff1);	/* CM_ICLKEN1_CORE */
1031     omap_writel(0x48008214, 0x00000004);	/* CM_ICLKEN2_CORE */
1032     omap_writel(0x4800821c, 0x00000000);	/* CM_ICLKEN4_CORE */
1033     omap_writel(0x48008230, 0);			/* CM_AUTOIDLE1_CORE */
1034     omap_writel(0x48008234, 0);			/* CM_AUTOIDLE2_CORE */
1035     omap_writel(0x48008238, 7);			/* CM_AUTOIDLE3_CORE */
1036     omap_writel(0x4800823c, 0);			/* CM_AUTOIDLE4_CORE */
1037     omap_writel(0x48008240, 0x04360626);	/* CM_CLKSEL1_CORE */
1038     omap_writel(0x48008244, 0x00000014);	/* CM_CLKSEL2_CORE */
1039     omap_writel(0x48008248, 0);			/* CM_CLKSTCTRL_CORE */
1040     omap_writel(0x48008300, 0x00000000);	/* CM_FCLKEN_GFX */
1041     omap_writel(0x48008310, 0x00000000);	/* CM_ICLKEN_GFX */
1042     omap_writel(0x48008340, 0x00000001);	/* CM_CLKSEL_GFX */
1043     omap_writel(0x48008400, 0x00000004);	/* CM_FCLKEN_WKUP */
1044     omap_writel(0x48008410, 0x00000004);	/* CM_ICLKEN_WKUP */
1045     omap_writel(0x48008440, 0x00000000);	/* CM_CLKSEL_WKUP */
1046     omap_writel(0x48008500, 0x000000cf);	/* CM_CLKEN_PLL */
1047     omap_writel(0x48008530, 0x0000000c);	/* CM_AUTOIDLE_PLL */
1048     omap_writel(0x48008540,			/* CM_CLKSEL1_PLL */
1049                     (0x78 << 12) | (6 << 8));
1050     omap_writel(0x48008544, 2);			/* CM_CLKSEL2_PLL */
1051 
1052     /* GPMC setup */
1053     n800_gpmc_init(s);
1054 
1055     /* Video setup */
1056     n800_dss_init(&s->blizzard);
1057 
1058     /* CPU setup */
1059     s->mpu->cpu->env.GE = 0x5;
1060 
1061     /* If the machine has a slided keyboard, open it */
1062     if (s->kbd) {
1063         qemu_irq_raise(qdev_get_gpio_in(s->mpu->gpio, N810_SLIDE_GPIO));
1064     }
1065 }
1066 
1067 #define OMAP_TAG_NOKIA_BT	0x4e01
1068 #define OMAP_TAG_WLAN_CX3110X	0x4e02
1069 #define OMAP_TAG_CBUS		0x4e03
1070 #define OMAP_TAG_EM_ASIC_BB5	0x4e04
1071 
1072 static struct omap_gpiosw_info_s {
1073     const char *name;
1074     int line;
1075     int type;
1076 } n800_gpiosw_info[] = {
1077     {
1078         "bat_cover", N800_BAT_COVER_GPIO,
1079         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1080     }, {
1081         "cam_act", N800_CAM_ACT_GPIO,
1082         OMAP_GPIOSW_TYPE_ACTIVITY,
1083     }, {
1084         "cam_turn", N800_CAM_TURN_GPIO,
1085         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_INVERTED,
1086     }, {
1087         "headphone", N8X0_HEADPHONE_GPIO,
1088         OMAP_GPIOSW_TYPE_CONNECTION | OMAP_GPIOSW_INVERTED,
1089     },
1090     { NULL }
1091 }, n810_gpiosw_info[] = {
1092     {
1093         "gps_reset", N810_GPS_RESET_GPIO,
1094         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_OUTPUT,
1095     }, {
1096         "gps_wakeup", N810_GPS_WAKEUP_GPIO,
1097         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_OUTPUT,
1098     }, {
1099         "headphone", N8X0_HEADPHONE_GPIO,
1100         OMAP_GPIOSW_TYPE_CONNECTION | OMAP_GPIOSW_INVERTED,
1101     }, {
1102         "kb_lock", N810_KB_LOCK_GPIO,
1103         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1104     }, {
1105         "sleepx_led", N810_SLEEPX_LED_GPIO,
1106         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_INVERTED | OMAP_GPIOSW_OUTPUT,
1107     }, {
1108         "slide", N810_SLIDE_GPIO,
1109         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1110     },
1111     { NULL }
1112 };
1113 
1114 static struct omap_partition_info_s {
1115     uint32_t offset;
1116     uint32_t size;
1117     int mask;
1118     const char *name;
1119 } n800_part_info[] = {
1120     { 0x00000000, 0x00020000, 0x3, "bootloader" },
1121     { 0x00020000, 0x00060000, 0x0, "config" },
1122     { 0x00080000, 0x00200000, 0x0, "kernel" },
1123     { 0x00280000, 0x00200000, 0x3, "initfs" },
1124     { 0x00480000, 0x0fb80000, 0x3, "rootfs" },
1125 
1126     { 0, 0, 0, NULL }
1127 }, n810_part_info[] = {
1128     { 0x00000000, 0x00020000, 0x3, "bootloader" },
1129     { 0x00020000, 0x00060000, 0x0, "config" },
1130     { 0x00080000, 0x00220000, 0x0, "kernel" },
1131     { 0x002a0000, 0x00400000, 0x0, "initfs" },
1132     { 0x006a0000, 0x0f960000, 0x0, "rootfs" },
1133 
1134     { 0, 0, 0, NULL }
1135 };
1136 
1137 static bdaddr_t n8x0_bd_addr = {{ N8X0_BD_ADDR }};
1138 
1139 static int n8x0_atag_setup(void *p, int model)
1140 {
1141     uint8_t *b;
1142     uint16_t *w;
1143     uint32_t *l;
1144     struct omap_gpiosw_info_s *gpiosw;
1145     struct omap_partition_info_s *partition;
1146     const char *tag;
1147 
1148     w = p;
1149 
1150     stw_p(w++, OMAP_TAG_UART);			/* u16 tag */
1151     stw_p(w++, 4);				/* u16 len */
1152     stw_p(w++, (1 << 2) | (1 << 1) | (1 << 0)); /* uint enabled_uarts */
1153     w++;
1154 
1155 #if 0
1156     stw_p(w++, OMAP_TAG_SERIAL_CONSOLE);	/* u16 tag */
1157     stw_p(w++, 4);				/* u16 len */
1158     stw_p(w++, XLDR_LL_UART + 1);		/* u8 console_uart */
1159     stw_p(w++, 115200);				/* u32 console_speed */
1160 #endif
1161 
1162     stw_p(w++, OMAP_TAG_LCD);			/* u16 tag */
1163     stw_p(w++, 36);				/* u16 len */
1164     strcpy((void *) w, "QEMU LCD panel");	/* char panel_name[16] */
1165     w += 8;
1166     strcpy((void *) w, "blizzard");		/* char ctrl_name[16] */
1167     w += 8;
1168     stw_p(w++, N810_BLIZZARD_RESET_GPIO);	/* TODO: n800 s16 nreset_gpio */
1169     stw_p(w++, 24);				/* u8 data_lines */
1170 
1171     stw_p(w++, OMAP_TAG_CBUS);			/* u16 tag */
1172     stw_p(w++, 8);				/* u16 len */
1173     stw_p(w++, N8X0_CBUS_CLK_GPIO);		/* s16 clk_gpio */
1174     stw_p(w++, N8X0_CBUS_DAT_GPIO);		/* s16 dat_gpio */
1175     stw_p(w++, N8X0_CBUS_SEL_GPIO);		/* s16 sel_gpio */
1176     w++;
1177 
1178     stw_p(w++, OMAP_TAG_EM_ASIC_BB5);		/* u16 tag */
1179     stw_p(w++, 4);				/* u16 len */
1180     stw_p(w++, N8X0_RETU_GPIO);			/* s16 retu_irq_gpio */
1181     stw_p(w++, N8X0_TAHVO_GPIO);		/* s16 tahvo_irq_gpio */
1182 
1183     gpiosw = (model == 810) ? n810_gpiosw_info : n800_gpiosw_info;
1184     for (; gpiosw->name; gpiosw++) {
1185         stw_p(w++, OMAP_TAG_GPIO_SWITCH);	/* u16 tag */
1186         stw_p(w++, 20);				/* u16 len */
1187         strcpy((void *) w, gpiosw->name);	/* char name[12] */
1188         w += 6;
1189         stw_p(w++, gpiosw->line);		/* u16 gpio */
1190         stw_p(w++, gpiosw->type);
1191         stw_p(w++, 0);
1192         stw_p(w++, 0);
1193     }
1194 
1195     stw_p(w++, OMAP_TAG_NOKIA_BT);		/* u16 tag */
1196     stw_p(w++, 12);				/* u16 len */
1197     b = (void *) w;
1198     stb_p(b++, 0x01);				/* u8 chip_type	(CSR) */
1199     stb_p(b++, N8X0_BT_WKUP_GPIO);		/* u8 bt_wakeup_gpio */
1200     stb_p(b++, N8X0_BT_HOST_WKUP_GPIO);		/* u8 host_wakeup_gpio */
1201     stb_p(b++, N8X0_BT_RESET_GPIO);		/* u8 reset_gpio */
1202     stb_p(b++, BT_UART + 1);			/* u8 bt_uart */
1203     memcpy(b, &n8x0_bd_addr, 6);		/* u8 bd_addr[6] */
1204     b += 6;
1205     stb_p(b++, 0x02);				/* u8 bt_sysclk (38.4) */
1206     w = (void *) b;
1207 
1208     stw_p(w++, OMAP_TAG_WLAN_CX3110X);		/* u16 tag */
1209     stw_p(w++, 8);				/* u16 len */
1210     stw_p(w++, 0x25);				/* u8 chip_type */
1211     stw_p(w++, N8X0_WLAN_PWR_GPIO);		/* s16 power_gpio */
1212     stw_p(w++, N8X0_WLAN_IRQ_GPIO);		/* s16 irq_gpio */
1213     stw_p(w++, -1);				/* s16 spi_cs_gpio */
1214 
1215     stw_p(w++, OMAP_TAG_MMC);			/* u16 tag */
1216     stw_p(w++, 16);				/* u16 len */
1217     if (model == 810) {
1218         stw_p(w++, 0x23f);			/* unsigned flags */
1219         stw_p(w++, -1);				/* s16 power_pin */
1220         stw_p(w++, -1);				/* s16 switch_pin */
1221         stw_p(w++, -1);				/* s16 wp_pin */
1222         stw_p(w++, 0x240);			/* unsigned flags */
1223         stw_p(w++, 0xc000);			/* s16 power_pin */
1224         stw_p(w++, 0x0248);			/* s16 switch_pin */
1225         stw_p(w++, 0xc000);			/* s16 wp_pin */
1226     } else {
1227         stw_p(w++, 0xf);			/* unsigned flags */
1228         stw_p(w++, -1);				/* s16 power_pin */
1229         stw_p(w++, -1);				/* s16 switch_pin */
1230         stw_p(w++, -1);				/* s16 wp_pin */
1231         stw_p(w++, 0);				/* unsigned flags */
1232         stw_p(w++, 0);				/* s16 power_pin */
1233         stw_p(w++, 0);				/* s16 switch_pin */
1234         stw_p(w++, 0);				/* s16 wp_pin */
1235     }
1236 
1237     stw_p(w++, OMAP_TAG_TEA5761);		/* u16 tag */
1238     stw_p(w++, 4);				/* u16 len */
1239     stw_p(w++, N8X0_TEA5761_CS_GPIO);		/* u16 enable_gpio */
1240     w++;
1241 
1242     partition = (model == 810) ? n810_part_info : n800_part_info;
1243     for (; partition->name; partition++) {
1244         stw_p(w++, OMAP_TAG_PARTITION);		/* u16 tag */
1245         stw_p(w++, 28);				/* u16 len */
1246         strcpy((void *) w, partition->name);	/* char name[16] */
1247         l = (void *) (w + 8);
1248         stl_p(l++, partition->size);		/* unsigned int size */
1249         stl_p(l++, partition->offset);		/* unsigned int offset */
1250         stl_p(l++, partition->mask);		/* unsigned int mask_flags */
1251         w = (void *) l;
1252     }
1253 
1254     stw_p(w++, OMAP_TAG_BOOT_REASON);		/* u16 tag */
1255     stw_p(w++, 12);				/* u16 len */
1256 #if 0
1257     strcpy((void *) w, "por");			/* char reason_str[12] */
1258     strcpy((void *) w, "charger");		/* char reason_str[12] */
1259     strcpy((void *) w, "32wd_to");		/* char reason_str[12] */
1260     strcpy((void *) w, "sw_rst");		/* char reason_str[12] */
1261     strcpy((void *) w, "mbus");			/* char reason_str[12] */
1262     strcpy((void *) w, "unknown");		/* char reason_str[12] */
1263     strcpy((void *) w, "swdg_to");		/* char reason_str[12] */
1264     strcpy((void *) w, "sec_vio");		/* char reason_str[12] */
1265     strcpy((void *) w, "pwr_key");		/* char reason_str[12] */
1266     strcpy((void *) w, "rtc_alarm");		/* char reason_str[12] */
1267 #else
1268     strcpy((void *) w, "pwr_key");		/* char reason_str[12] */
1269 #endif
1270     w += 6;
1271 
1272     tag = (model == 810) ? "RX-44" : "RX-34";
1273     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1274     stw_p(w++, 24);				/* u16 len */
1275     strcpy((void *) w, "product");		/* char component[12] */
1276     w += 6;
1277     strcpy((void *) w, tag);			/* char version[12] */
1278     w += 6;
1279 
1280     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1281     stw_p(w++, 24);				/* u16 len */
1282     strcpy((void *) w, "hw-build");		/* char component[12] */
1283     w += 6;
1284     strcpy((void *) w, "QEMU ");
1285     pstrcat((void *) w, 12, qemu_hw_version()); /* char version[12] */
1286     w += 6;
1287 
1288     tag = (model == 810) ? "1.1.10-qemu" : "1.1.6-qemu";
1289     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1290     stw_p(w++, 24);				/* u16 len */
1291     strcpy((void *) w, "nolo");			/* char component[12] */
1292     w += 6;
1293     strcpy((void *) w, tag);			/* char version[12] */
1294     w += 6;
1295 
1296     return (void *) w - p;
1297 }
1298 
1299 static int n800_atag_setup(const struct arm_boot_info *info, void *p)
1300 {
1301     return n8x0_atag_setup(p, 800);
1302 }
1303 
1304 static int n810_atag_setup(const struct arm_boot_info *info, void *p)
1305 {
1306     return n8x0_atag_setup(p, 810);
1307 }
1308 
1309 static void n8x0_init(MachineState *machine,
1310                       struct arm_boot_info *binfo, int model)
1311 {
1312     MemoryRegion *sysmem = get_system_memory();
1313     struct n800_s *s = (struct n800_s *) g_malloc0(sizeof(*s));
1314     int sdram_size = binfo->ram_size;
1315 
1316     s->mpu = omap2420_mpu_init(sysmem, sdram_size, machine->cpu_type);
1317 
1318     /* Setup peripherals
1319      *
1320      * Believed external peripherals layout in the N810:
1321      * (spi bus 1)
1322      *   tsc2005
1323      *   lcd_mipid
1324      * (spi bus 2)
1325      *   Conexant cx3110x (WLAN)
1326      *   optional: pc2400m (WiMAX)
1327      * (i2c bus 0)
1328      *   TLV320AIC33 (audio codec)
1329      *   TCM825x (camera by Toshiba)
1330      *   lp5521 (clever LEDs)
1331      *   tsl2563 (light sensor, hwmon, model 7, rev. 0)
1332      *   lm8323 (keypad, manf 00, rev 04)
1333      * (i2c bus 1)
1334      *   tmp105 (temperature sensor, hwmon)
1335      *   menelaus (pm)
1336      * (somewhere on i2c - maybe N800-only)
1337      *   tea5761 (FM tuner)
1338      * (serial 0)
1339      *   GPS
1340      * (some serial port)
1341      *   csr41814 (Bluetooth)
1342      */
1343     n8x0_gpio_setup(s);
1344     n8x0_nand_setup(s);
1345     n8x0_i2c_setup(s);
1346     if (model == 800) {
1347         n800_tsc_kbd_setup(s);
1348     } else if (model == 810) {
1349         n810_tsc_setup(s);
1350         n810_kbd_setup(s);
1351     }
1352     n8x0_spi_setup(s);
1353     n8x0_dss_setup(s);
1354     n8x0_cbus_setup(s);
1355     n8x0_uart_setup(s);
1356     if (machine_usb(machine)) {
1357         n8x0_usb_setup(s);
1358     }
1359 
1360     if (machine->kernel_filename) {
1361         /* Or at the linux loader.  */
1362         binfo->kernel_filename = machine->kernel_filename;
1363         binfo->kernel_cmdline = machine->kernel_cmdline;
1364         binfo->initrd_filename = machine->initrd_filename;
1365         arm_load_kernel(s->mpu->cpu, binfo);
1366 
1367         qemu_register_reset(n8x0_boot_init, s);
1368     }
1369 
1370     if (option_rom[0].name &&
1371         (machine->boot_order[0] == 'n' || !machine->kernel_filename)) {
1372         uint8_t *nolo_tags = g_new(uint8_t, 0x10000);
1373         /* No, wait, better start at the ROM.  */
1374         s->mpu->cpu->env.regs[15] = OMAP2_Q2_BASE + 0x400000;
1375 
1376         /* This is intended for loading the `secondary.bin' program from
1377          * Nokia images (the NOLO bootloader).  The entry point seems
1378          * to be at OMAP2_Q2_BASE + 0x400000.
1379          *
1380          * The `2nd.bin' files contain some kind of earlier boot code and
1381          * for them the entry point needs to be set to OMAP2_SRAM_BASE.
1382          *
1383          * The code above is for loading the `zImage' file from Nokia
1384          * images.  */
1385         load_image_targphys(option_rom[0].name,
1386                             OMAP2_Q2_BASE + 0x400000,
1387                             sdram_size - 0x400000);
1388 
1389         n800_setup_nolo_tags(nolo_tags);
1390         cpu_physical_memory_write(OMAP2_SRAM_BASE, nolo_tags, 0x10000);
1391         g_free(nolo_tags);
1392     }
1393 }
1394 
1395 static struct arm_boot_info n800_binfo = {
1396     .loader_start = OMAP2_Q2_BASE,
1397     /* Actually two chips of 0x4000000 bytes each */
1398     .ram_size = 0x08000000,
1399     .board_id = 0x4f7,
1400     .atag_board = n800_atag_setup,
1401 };
1402 
1403 static struct arm_boot_info n810_binfo = {
1404     .loader_start = OMAP2_Q2_BASE,
1405     /* Actually two chips of 0x4000000 bytes each */
1406     .ram_size = 0x08000000,
1407     /* 0x60c and 0x6bf (WiMAX Edition) have been assigned but are not
1408      * used by some older versions of the bootloader and 5555 is used
1409      * instead (including versions that shipped with many devices).  */
1410     .board_id = 0x60c,
1411     .atag_board = n810_atag_setup,
1412 };
1413 
1414 static void n800_init(MachineState *machine)
1415 {
1416     n8x0_init(machine, &n800_binfo, 800);
1417 }
1418 
1419 static void n810_init(MachineState *machine)
1420 {
1421     n8x0_init(machine, &n810_binfo, 810);
1422 }
1423 
1424 static void n800_class_init(ObjectClass *oc, void *data)
1425 {
1426     MachineClass *mc = MACHINE_CLASS(oc);
1427 
1428     mc->desc = "Nokia N800 tablet aka. RX-34 (OMAP2420)";
1429     mc->init = n800_init;
1430     mc->default_boot_order = "";
1431     mc->ignore_memory_transaction_failures = true;
1432     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1136-r2");
1433 }
1434 
1435 static const TypeInfo n800_type = {
1436     .name = MACHINE_TYPE_NAME("n800"),
1437     .parent = TYPE_MACHINE,
1438     .class_init = n800_class_init,
1439 };
1440 
1441 static void n810_class_init(ObjectClass *oc, void *data)
1442 {
1443     MachineClass *mc = MACHINE_CLASS(oc);
1444 
1445     mc->desc = "Nokia N810 tablet aka. RX-44 (OMAP2420)";
1446     mc->init = n810_init;
1447     mc->default_boot_order = "";
1448     mc->ignore_memory_transaction_failures = true;
1449     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1136-r2");
1450 }
1451 
1452 static const TypeInfo n810_type = {
1453     .name = MACHINE_TYPE_NAME("n810"),
1454     .parent = TYPE_MACHINE,
1455     .class_init = n810_class_init,
1456 };
1457 
1458 static void nseries_machine_init(void)
1459 {
1460     type_register_static(&n800_type);
1461     type_register_static(&n810_type);
1462 }
1463 
1464 type_init(nseries_machine_init)
1465