xref: /openbmc/qemu/hw/arm/nseries.c (revision c5c0fdbe)
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 "chardev/char.h"
25 #include "qemu/cutils.h"
26 #include "qemu/bswap.h"
27 #include "qemu/hw-version.h"
28 #include "sysemu/reset.h"
29 #include "sysemu/runstate.h"
30 #include "sysemu/sysemu.h"
31 #include "hw/arm/omap.h"
32 #include "hw/arm/boot.h"
33 #include "hw/irq.h"
34 #include "ui/console.h"
35 #include "hw/boards.h"
36 #include "hw/i2c/i2c.h"
37 #include "hw/display/blizzard.h"
38 #include "hw/input/lm832x.h"
39 #include "hw/input/tsc2xxx.h"
40 #include "hw/misc/cbus.h"
41 #include "hw/sensor/tmp105.h"
42 #include "hw/qdev-properties.h"
43 #include "hw/block/flash.h"
44 #include "hw/hw.h"
45 #include "hw/loader.h"
46 #include "hw/sysbus.h"
47 #include "qemu/log.h"
48 #include "qemu/error-report.h"
49 
50 
51 /* Nokia N8x0 support */
52 struct n800_s {
53     struct omap_mpu_state_s *mpu;
54 
55     struct rfbi_chip_s blizzard;
56     struct {
57         void *opaque;
58         uint32_t (*txrx)(void *opaque, uint32_t value, int len);
59         uWireSlave *chip;
60     } ts;
61 
62     int keymap[0x80];
63     DeviceState *kbd;
64 
65     DeviceState *usb;
66     void *retu;
67     void *tahvo;
68     DeviceState *nand;
69 };
70 
71 /* GPIO pins */
72 #define N8X0_TUSB_ENABLE_GPIO		0
73 #define N800_MMC2_WP_GPIO		8
74 #define N800_UNKNOWN_GPIO0		9	/* out */
75 #define N810_MMC2_VIOSD_GPIO		9
76 #define N810_HEADSET_AMP_GPIO		10
77 #define N800_CAM_TURN_GPIO		12
78 #define N810_GPS_RESET_GPIO		12
79 #define N800_BLIZZARD_POWERDOWN_GPIO	15
80 #define N800_MMC1_WP_GPIO		23
81 #define N810_MMC2_VSD_GPIO		23
82 #define N8X0_ONENAND_GPIO		26
83 #define N810_BLIZZARD_RESET_GPIO	30
84 #define N800_UNKNOWN_GPIO2		53	/* out */
85 #define N8X0_TUSB_INT_GPIO		58
86 #define N8X0_BT_WKUP_GPIO		61
87 #define N8X0_STI_GPIO			62
88 #define N8X0_CBUS_SEL_GPIO		64
89 #define N8X0_CBUS_DAT_GPIO		65
90 #define N8X0_CBUS_CLK_GPIO		66
91 #define N8X0_WLAN_IRQ_GPIO		87
92 #define N8X0_BT_RESET_GPIO		92
93 #define N8X0_TEA5761_CS_GPIO		93
94 #define N800_UNKNOWN_GPIO		94
95 #define N810_TSC_RESET_GPIO		94
96 #define N800_CAM_ACT_GPIO		95
97 #define N810_GPS_WAKEUP_GPIO		95
98 #define N8X0_MMC_CS_GPIO		96
99 #define N8X0_WLAN_PWR_GPIO		97
100 #define N8X0_BT_HOST_WKUP_GPIO		98
101 #define N810_SPEAKER_AMP_GPIO		101
102 #define N810_KB_LOCK_GPIO		102
103 #define N800_TSC_TS_GPIO		103
104 #define N810_TSC_TS_GPIO		106
105 #define N8X0_HEADPHONE_GPIO		107
106 #define N8X0_RETU_GPIO			108
107 #define N800_TSC_KP_IRQ_GPIO		109
108 #define N810_KEYBOARD_GPIO		109
109 #define N800_BAT_COVER_GPIO		110
110 #define N810_SLIDE_GPIO			110
111 #define N8X0_TAHVO_GPIO			111
112 #define N800_UNKNOWN_GPIO4		112	/* out */
113 #define N810_SLEEPX_LED_GPIO		112
114 #define N800_TSC_RESET_GPIO		118	/* ? */
115 #define N810_AIC33_RESET_GPIO		118
116 #define N800_TSC_UNKNOWN_GPIO		119	/* out */
117 #define N8X0_TMP105_GPIO		125
118 
119 /* Config */
120 #define BT_UART				0
121 #define XLDR_LL_UART			1
122 
123 /* Addresses on the I2C bus 0 */
124 #define N810_TLV320AIC33_ADDR		0x18	/* Audio CODEC */
125 #define N8X0_TCM825x_ADDR		0x29	/* Camera */
126 #define N810_LP5521_ADDR		0x32	/* LEDs */
127 #define N810_TSL2563_ADDR		0x3d	/* Light sensor */
128 #define N810_LM8323_ADDR		0x45	/* Keyboard */
129 /* Addresses on the I2C bus 1 */
130 #define N8X0_TMP105_ADDR		0x48	/* Temperature sensor */
131 #define N8X0_MENELAUS_ADDR		0x72	/* Power management */
132 
133 /* Chipselects on GPMC NOR interface */
134 #define N8X0_ONENAND_CS			0
135 #define N8X0_USB_ASYNC_CS		1
136 #define N8X0_USB_SYNC_CS		4
137 
138 #define N8X0_BD_ADDR			0x00, 0x1a, 0x89, 0x9e, 0x3e, 0x81
139 
140 static void n800_mmc_cs_cb(void *opaque, int line, int level)
141 {
142     /* TODO: this seems to actually be connected to the menelaus, to
143      * which also both MMC slots connect.  */
144     omap_mmc_enable((struct omap_mmc_s *) opaque, !level);
145 }
146 
147 static void n8x0_gpio_setup(struct n800_s *s)
148 {
149     qdev_connect_gpio_out(s->mpu->gpio, N8X0_MMC_CS_GPIO,
150                           qemu_allocate_irq(n800_mmc_cs_cb, s->mpu->mmc, 0));
151     qemu_irq_lower(qdev_get_gpio_in(s->mpu->gpio, N800_BAT_COVER_GPIO));
152 }
153 
154 #define MAEMO_CAL_HEADER(...)				\
155     'C',  'o',  'n',  'F',  0x02, 0x00, 0x04, 0x00,	\
156     __VA_ARGS__,					\
157     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
158 
159 static const uint8_t n8x0_cal_wlan_mac[] = {
160     MAEMO_CAL_HEADER('w', 'l', 'a', 'n', '-', 'm', 'a', 'c')
161     0x1c, 0x00, 0x00, 0x00, 0x47, 0xd6, 0x69, 0xb3,
162     0x30, 0x08, 0xa0, 0x83, 0x00, 0x00, 0x00, 0x00,
163     0x00, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x00, 0x00,
164     0x89, 0x00, 0x00, 0x00, 0x9e, 0x00, 0x00, 0x00,
165     0x5d, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00,
166 };
167 
168 static const uint8_t n8x0_cal_bt_id[] = {
169     MAEMO_CAL_HEADER('b', 't', '-', 'i', 'd', 0, 0, 0)
170     0x0a, 0x00, 0x00, 0x00, 0xa3, 0x4b, 0xf6, 0x96,
171     0xa8, 0xeb, 0xb2, 0x41, 0x00, 0x00, 0x00, 0x00,
172     N8X0_BD_ADDR,
173 };
174 
175 static void n8x0_nand_setup(struct n800_s *s)
176 {
177     char *otp_region;
178     DriveInfo *dinfo;
179 
180     s->nand = qdev_new("onenand");
181     qdev_prop_set_uint16(s->nand, "manufacturer_id", NAND_MFR_SAMSUNG);
182     /* Either 0x40 or 0x48 are OK for the device ID */
183     qdev_prop_set_uint16(s->nand, "device_id", 0x48);
184     qdev_prop_set_uint16(s->nand, "version_id", 0);
185     qdev_prop_set_int32(s->nand, "shift", 1);
186     dinfo = drive_get(IF_MTD, 0, 0);
187     if (dinfo) {
188         qdev_prop_set_drive_err(s->nand, "drive", blk_by_legacy_dinfo(dinfo),
189                                 &error_fatal);
190     }
191     sysbus_realize_and_unref(SYS_BUS_DEVICE(s->nand), &error_fatal);
192     sysbus_connect_irq(SYS_BUS_DEVICE(s->nand), 0,
193                        qdev_get_gpio_in(s->mpu->gpio, N8X0_ONENAND_GPIO));
194     omap_gpmc_attach(s->mpu->gpmc, N8X0_ONENAND_CS,
195                      sysbus_mmio_get_region(SYS_BUS_DEVICE(s->nand), 0));
196     otp_region = onenand_raw_otp(s->nand);
197 
198     memcpy(otp_region + 0x000, n8x0_cal_wlan_mac, sizeof(n8x0_cal_wlan_mac));
199     memcpy(otp_region + 0x800, n8x0_cal_bt_id, sizeof(n8x0_cal_bt_id));
200     /* XXX: in theory should also update the OOB for both pages */
201 }
202 
203 static qemu_irq n8x0_system_powerdown;
204 
205 static void n8x0_powerdown_req(Notifier *n, void *opaque)
206 {
207     qemu_irq_raise(n8x0_system_powerdown);
208 }
209 
210 static Notifier n8x0_system_powerdown_notifier = {
211     .notify = n8x0_powerdown_req
212 };
213 
214 static void n8x0_i2c_setup(struct n800_s *s)
215 {
216     DeviceState *dev;
217     qemu_irq tmp_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_TMP105_GPIO);
218     I2CBus *i2c = omap_i2c_bus(s->mpu->i2c[0]);
219 
220     /* Attach a menelaus PM chip */
221     dev = DEVICE(i2c_slave_create_simple(i2c, "twl92230", N8X0_MENELAUS_ADDR));
222     qdev_connect_gpio_out(dev, 3,
223                           qdev_get_gpio_in(s->mpu->ih[0],
224                                            OMAP_INT_24XX_SYS_NIRQ));
225 
226     n8x0_system_powerdown = qdev_get_gpio_in(dev, 3);
227     qemu_register_powerdown_notifier(&n8x0_system_powerdown_notifier);
228 
229     /* Attach a TMP105 PM chip (A0 wired to ground) */
230     dev = DEVICE(i2c_slave_create_simple(i2c, TYPE_TMP105, N8X0_TMP105_ADDR));
231     qdev_connect_gpio_out(dev, 0, tmp_irq);
232 }
233 
234 /* Touchscreen and keypad controller */
235 static const MouseTransformInfo n800_pointercal = {
236     .x = 800,
237     .y = 480,
238     .a = { 14560, -68, -3455208, -39, -9621, 35152972, 65536 },
239 };
240 
241 static const MouseTransformInfo n810_pointercal = {
242     .x = 800,
243     .y = 480,
244     .a = { 15041, 148, -4731056, 171, -10238, 35933380, 65536 },
245 };
246 
247 #define RETU_KEYCODE	61	/* F3 */
248 
249 static void n800_key_event(void *opaque, int keycode)
250 {
251     struct n800_s *s = (struct n800_s *) opaque;
252     int code = s->keymap[keycode & 0x7f];
253 
254     if (code == -1) {
255         if ((keycode & 0x7f) == RETU_KEYCODE) {
256             retu_key_event(s->retu, !(keycode & 0x80));
257         }
258         return;
259     }
260 
261     tsc210x_key_event(s->ts.chip, code, !(keycode & 0x80));
262 }
263 
264 static const int n800_keys[16] = {
265     -1,
266     72,	/* Up */
267     63,	/* Home (F5) */
268     -1,
269     75,	/* Left */
270     28,	/* Enter */
271     77,	/* Right */
272     -1,
273      1,	/* Cycle (ESC) */
274     80,	/* Down */
275     62,	/* Menu (F4) */
276     -1,
277     66,	/* Zoom- (F8) */
278     64,	/* FullScreen (F6) */
279     65,	/* Zoom+ (F7) */
280     -1,
281 };
282 
283 static void n800_tsc_kbd_setup(struct n800_s *s)
284 {
285     int i;
286 
287     /* XXX: are the three pins inverted inside the chip between the
288      * tsc and the cpu (N4111)?  */
289     qemu_irq penirq = NULL;	/* NC */
290     qemu_irq kbirq = qdev_get_gpio_in(s->mpu->gpio, N800_TSC_KP_IRQ_GPIO);
291     qemu_irq dav = qdev_get_gpio_in(s->mpu->gpio, N800_TSC_TS_GPIO);
292 
293     s->ts.chip = tsc2301_init(penirq, kbirq, dav);
294     s->ts.opaque = s->ts.chip->opaque;
295     s->ts.txrx = tsc210x_txrx;
296 
297     for (i = 0; i < 0x80; i++) {
298         s->keymap[i] = -1;
299     }
300     for (i = 0; i < 0x10; i++) {
301         if (n800_keys[i] >= 0) {
302             s->keymap[n800_keys[i]] = i;
303         }
304     }
305 
306     qemu_add_kbd_event_handler(n800_key_event, s);
307 
308     tsc210x_set_transform(s->ts.chip, &n800_pointercal);
309 }
310 
311 static void n810_tsc_setup(struct n800_s *s)
312 {
313     qemu_irq pintdav = qdev_get_gpio_in(s->mpu->gpio, N810_TSC_TS_GPIO);
314 
315     s->ts.opaque = tsc2005_init(pintdav);
316     s->ts.txrx = tsc2005_txrx;
317 
318     tsc2005_set_transform(s->ts.opaque, &n810_pointercal);
319 }
320 
321 /* N810 Keyboard controller */
322 static void n810_key_event(void *opaque, int keycode)
323 {
324     struct n800_s *s = (struct n800_s *) opaque;
325     int code = s->keymap[keycode & 0x7f];
326 
327     if (code == -1) {
328         if ((keycode & 0x7f) == RETU_KEYCODE) {
329             retu_key_event(s->retu, !(keycode & 0x80));
330         }
331         return;
332     }
333 
334     lm832x_key_event(s->kbd, code, !(keycode & 0x80));
335 }
336 
337 #define M	0
338 
339 static const int n810_keys[0x80] = {
340     [0x01] = 16,	/* Q */
341     [0x02] = 37,	/* K */
342     [0x03] = 24,	/* O */
343     [0x04] = 25,	/* P */
344     [0x05] = 14,	/* Backspace */
345     [0x06] = 30,	/* A */
346     [0x07] = 31,	/* S */
347     [0x08] = 32,	/* D */
348     [0x09] = 33,	/* F */
349     [0x0a] = 34,	/* G */
350     [0x0b] = 35,	/* H */
351     [0x0c] = 36,	/* J */
352 
353     [0x11] = 17,	/* W */
354     [0x12] = 62,	/* Menu (F4) */
355     [0x13] = 38,	/* L */
356     [0x14] = 40,	/* ' (Apostrophe) */
357     [0x16] = 44,	/* Z */
358     [0x17] = 45,	/* X */
359     [0x18] = 46,	/* C */
360     [0x19] = 47,	/* V */
361     [0x1a] = 48,	/* B */
362     [0x1b] = 49,	/* N */
363     [0x1c] = 42,	/* Shift (Left shift) */
364     [0x1f] = 65,	/* Zoom+ (F7) */
365 
366     [0x21] = 18,	/* E */
367     [0x22] = 39,	/* ; (Semicolon) */
368     [0x23] = 12,	/* - (Minus) */
369     [0x24] = 13,	/* = (Equal) */
370     [0x2b] = 56,	/* Fn (Left Alt) */
371     [0x2c] = 50,	/* M */
372     [0x2f] = 66,	/* Zoom- (F8) */
373 
374     [0x31] = 19,	/* R */
375     [0x32] = 29 | M,	/* Right Ctrl */
376     [0x34] = 57,	/* Space */
377     [0x35] = 51,	/* , (Comma) */
378     [0x37] = 72 | M,	/* Up */
379     [0x3c] = 82 | M,	/* Compose (Insert) */
380     [0x3f] = 64,	/* FullScreen (F6) */
381 
382     [0x41] = 20,	/* T */
383     [0x44] = 52,	/* . (Dot) */
384     [0x46] = 77 | M,	/* Right */
385     [0x4f] = 63,	/* Home (F5) */
386     [0x51] = 21,	/* Y */
387     [0x53] = 80 | M,	/* Down */
388     [0x55] = 28,	/* Enter */
389     [0x5f] =  1,	/* Cycle (ESC) */
390 
391     [0x61] = 22,	/* U */
392     [0x64] = 75 | M,	/* Left */
393 
394     [0x71] = 23,	/* I */
395 #if 0
396     [0x75] = 28 | M,	/* KP Enter (KP Enter) */
397 #else
398     [0x75] = 15,	/* KP Enter (Tab) */
399 #endif
400 };
401 
402 #undef M
403 
404 static void n810_kbd_setup(struct n800_s *s)
405 {
406     qemu_irq kbd_irq = qdev_get_gpio_in(s->mpu->gpio, N810_KEYBOARD_GPIO);
407     int i;
408 
409     for (i = 0; i < 0x80; i++) {
410         s->keymap[i] = -1;
411     }
412     for (i = 0; i < 0x80; i++) {
413         if (n810_keys[i] > 0) {
414             s->keymap[n810_keys[i]] = i;
415         }
416     }
417 
418     qemu_add_kbd_event_handler(n810_key_event, s);
419 
420     /* Attach the LM8322 keyboard to the I2C bus,
421      * should happen in n8x0_i2c_setup and s->kbd be initialised here.  */
422     s->kbd = DEVICE(i2c_slave_create_simple(omap_i2c_bus(s->mpu->i2c[0]),
423                                             TYPE_LM8323, N810_LM8323_ADDR));
424     qdev_connect_gpio_out(s->kbd, 0, kbd_irq);
425 }
426 
427 /* LCD MIPI DBI-C controller (URAL) */
428 struct mipid_s {
429     int resp[4];
430     int param[4];
431     int p;
432     int pm;
433     int cmd;
434 
435     int sleep;
436     int booster;
437     int te;
438     int selfcheck;
439     int partial;
440     int normal;
441     int vscr;
442     int invert;
443     int onoff;
444     int gamma;
445     uint32_t id;
446 };
447 
448 static void mipid_reset(struct mipid_s *s)
449 {
450     s->pm = 0;
451     s->cmd = 0;
452 
453     s->sleep = 1;
454     s->booster = 0;
455     s->selfcheck =
456             (1 << 7) |	/* Register loading OK.  */
457             (1 << 5) |	/* The chip is attached.  */
458             (1 << 4);	/* Display glass still in one piece.  */
459     s->te = 0;
460     s->partial = 0;
461     s->normal = 1;
462     s->vscr = 0;
463     s->invert = 0;
464     s->onoff = 1;
465     s->gamma = 0;
466 }
467 
468 static uint32_t mipid_txrx(void *opaque, uint32_t cmd, int len)
469 {
470     struct mipid_s *s = (struct mipid_s *) opaque;
471     uint8_t ret;
472 
473     if (len > 9) {
474         hw_error("%s: FIXME: bad SPI word width %i\n", __func__, len);
475     }
476 
477     if (s->p >= ARRAY_SIZE(s->resp)) {
478         ret = 0;
479     } else {
480         ret = s->resp[s->p++];
481     }
482     if (s->pm-- > 0) {
483         s->param[s->pm] = cmd;
484     } else {
485         s->cmd = cmd;
486     }
487 
488     switch (s->cmd) {
489     case 0x00:	/* NOP */
490         break;
491 
492     case 0x01:	/* SWRESET */
493         mipid_reset(s);
494         break;
495 
496     case 0x02:	/* BSTROFF */
497         s->booster = 0;
498         break;
499     case 0x03:	/* BSTRON */
500         s->booster = 1;
501         break;
502 
503     case 0x04:	/* RDDID */
504         s->p = 0;
505         s->resp[0] = (s->id >> 16) & 0xff;
506         s->resp[1] = (s->id >>  8) & 0xff;
507         s->resp[2] = (s->id >>  0) & 0xff;
508         break;
509 
510     case 0x06:	/* RD_RED */
511     case 0x07:	/* RD_GREEN */
512         /* XXX the bootloader sometimes issues RD_BLUE meaning RDDID so
513          * for the bootloader one needs to change this.  */
514     case 0x08:	/* RD_BLUE */
515         s->p = 0;
516         /* TODO: return first pixel components */
517         s->resp[0] = 0x01;
518         break;
519 
520     case 0x09:	/* RDDST */
521         s->p = 0;
522         s->resp[0] = s->booster << 7;
523         s->resp[1] = (5 << 4) | (s->partial << 2) |
524                 (s->sleep << 1) | s->normal;
525         s->resp[2] = (s->vscr << 7) | (s->invert << 5) |
526                 (s->onoff << 2) | (s->te << 1) | (s->gamma >> 2);
527         s->resp[3] = s->gamma << 6;
528         break;
529 
530     case 0x0a:	/* RDDPM */
531         s->p = 0;
532         s->resp[0] = (s->onoff << 2) | (s->normal << 3) | (s->sleep << 4) |
533                 (s->partial << 5) | (s->sleep << 6) | (s->booster << 7);
534         break;
535     case 0x0b:	/* RDDMADCTR */
536         s->p = 0;
537         s->resp[0] = 0;
538         break;
539     case 0x0c:	/* RDDCOLMOD */
540         s->p = 0;
541         s->resp[0] = 5;	/* 65K colours */
542         break;
543     case 0x0d:	/* RDDIM */
544         s->p = 0;
545         s->resp[0] = (s->invert << 5) | (s->vscr << 7) | s->gamma;
546         break;
547     case 0x0e:	/* RDDSM */
548         s->p = 0;
549         s->resp[0] = s->te << 7;
550         break;
551     case 0x0f:	/* RDDSDR */
552         s->p = 0;
553         s->resp[0] = s->selfcheck;
554         break;
555 
556     case 0x10:	/* SLPIN */
557         s->sleep = 1;
558         break;
559     case 0x11:	/* SLPOUT */
560         s->sleep = 0;
561         s->selfcheck ^= 1 << 6;	/* POFF self-diagnosis Ok */
562         break;
563 
564     case 0x12:	/* PTLON */
565         s->partial = 1;
566         s->normal = 0;
567         s->vscr = 0;
568         break;
569     case 0x13:	/* NORON */
570         s->partial = 0;
571         s->normal = 1;
572         s->vscr = 0;
573         break;
574 
575     case 0x20:	/* INVOFF */
576         s->invert = 0;
577         break;
578     case 0x21:	/* INVON */
579         s->invert = 1;
580         break;
581 
582     case 0x22:	/* APOFF */
583     case 0x23:	/* APON */
584         goto bad_cmd;
585 
586     case 0x25:	/* WRCNTR */
587         if (s->pm < 0) {
588             s->pm = 1;
589         }
590         goto bad_cmd;
591 
592     case 0x26:	/* GAMSET */
593         if (!s->pm) {
594             s->gamma = ctz32(s->param[0] & 0xf);
595             if (s->gamma == 32) {
596                 s->gamma = -1; /* XXX: should this be 0? */
597             }
598         } else if (s->pm < 0) {
599             s->pm = 1;
600         }
601         break;
602 
603     case 0x28:	/* DISPOFF */
604         s->onoff = 0;
605         break;
606     case 0x29:	/* DISPON */
607         s->onoff = 1;
608         break;
609 
610     case 0x2a:	/* CASET */
611     case 0x2b:	/* RASET */
612     case 0x2c:	/* RAMWR */
613     case 0x2d:	/* RGBSET */
614     case 0x2e:	/* RAMRD */
615     case 0x30:	/* PTLAR */
616     case 0x33:	/* SCRLAR */
617         goto bad_cmd;
618 
619     case 0x34:	/* TEOFF */
620         s->te = 0;
621         break;
622     case 0x35:	/* TEON */
623         if (!s->pm) {
624             s->te = 1;
625         } else if (s->pm < 0) {
626             s->pm = 1;
627         }
628         break;
629 
630     case 0x36:	/* MADCTR */
631         goto bad_cmd;
632 
633     case 0x37:	/* VSCSAD */
634         s->partial = 0;
635         s->normal = 0;
636         s->vscr = 1;
637         break;
638 
639     case 0x38:	/* IDMOFF */
640     case 0x39:	/* IDMON */
641     case 0x3a:	/* COLMOD */
642         goto bad_cmd;
643 
644     case 0xb0:	/* CLKINT / DISCTL */
645     case 0xb1:	/* CLKEXT */
646         if (s->pm < 0) {
647             s->pm = 2;
648         }
649         break;
650 
651     case 0xb4:	/* FRMSEL */
652         break;
653 
654     case 0xb5:	/* FRM8SEL */
655     case 0xb6:	/* TMPRNG / INIESC */
656     case 0xb7:	/* TMPHIS / NOP2 */
657     case 0xb8:	/* TMPREAD / MADCTL */
658     case 0xba:	/* DISTCTR */
659     case 0xbb:	/* EPVOL */
660         goto bad_cmd;
661 
662     case 0xbd:	/* Unknown */
663         s->p = 0;
664         s->resp[0] = 0;
665         s->resp[1] = 1;
666         break;
667 
668     case 0xc2:	/* IFMOD */
669         if (s->pm < 0) {
670             s->pm = 2;
671         }
672         break;
673 
674     case 0xc6:	/* PWRCTL */
675     case 0xc7:	/* PPWRCTL */
676     case 0xd0:	/* EPWROUT */
677     case 0xd1:	/* EPWRIN */
678     case 0xd4:	/* RDEV */
679     case 0xd5:	/* RDRR */
680         goto bad_cmd;
681 
682     case 0xda:	/* RDID1 */
683         s->p = 0;
684         s->resp[0] = (s->id >> 16) & 0xff;
685         break;
686     case 0xdb:	/* RDID2 */
687         s->p = 0;
688         s->resp[0] = (s->id >>  8) & 0xff;
689         break;
690     case 0xdc:	/* RDID3 */
691         s->p = 0;
692         s->resp[0] = (s->id >>  0) & 0xff;
693         break;
694 
695     default:
696     bad_cmd:
697         qemu_log_mask(LOG_GUEST_ERROR,
698                       "%s: unknown command 0x%02x\n", __func__, s->cmd);
699         break;
700     }
701 
702     return ret;
703 }
704 
705 static void *mipid_init(void)
706 {
707     struct mipid_s *s = g_malloc0(sizeof(*s));
708 
709     s->id = 0x838f03;
710     mipid_reset(s);
711 
712     return s;
713 }
714 
715 static void n8x0_spi_setup(struct n800_s *s)
716 {
717     void *tsc = s->ts.opaque;
718     void *mipid = mipid_init();
719 
720     omap_mcspi_attach(s->mpu->mcspi[0], s->ts.txrx, tsc, 0);
721     omap_mcspi_attach(s->mpu->mcspi[0], mipid_txrx, mipid, 1);
722 }
723 
724 /* This task is normally performed by the bootloader.  If we're loading
725  * a kernel directly, we need to enable the Blizzard ourselves.  */
726 static void n800_dss_init(struct rfbi_chip_s *chip)
727 {
728     uint8_t *fb_blank;
729 
730     chip->write(chip->opaque, 0, 0x2a);		/* LCD Width register */
731     chip->write(chip->opaque, 1, 0x64);
732     chip->write(chip->opaque, 0, 0x2c);		/* LCD HNDP register */
733     chip->write(chip->opaque, 1, 0x1e);
734     chip->write(chip->opaque, 0, 0x2e);		/* LCD Height 0 register */
735     chip->write(chip->opaque, 1, 0xe0);
736     chip->write(chip->opaque, 0, 0x30);		/* LCD Height 1 register */
737     chip->write(chip->opaque, 1, 0x01);
738     chip->write(chip->opaque, 0, 0x32);		/* LCD VNDP register */
739     chip->write(chip->opaque, 1, 0x06);
740     chip->write(chip->opaque, 0, 0x68);		/* Display Mode register */
741     chip->write(chip->opaque, 1, 1);		/* Enable bit */
742 
743     chip->write(chip->opaque, 0, 0x6c);
744     chip->write(chip->opaque, 1, 0x00);		/* Input X Start Position */
745     chip->write(chip->opaque, 1, 0x00);		/* Input X Start Position */
746     chip->write(chip->opaque, 1, 0x00);		/* Input Y Start Position */
747     chip->write(chip->opaque, 1, 0x00);		/* Input Y Start Position */
748     chip->write(chip->opaque, 1, 0x1f);		/* Input X End Position */
749     chip->write(chip->opaque, 1, 0x03);		/* Input X End Position */
750     chip->write(chip->opaque, 1, 0xdf);		/* Input Y End Position */
751     chip->write(chip->opaque, 1, 0x01);		/* Input Y End Position */
752     chip->write(chip->opaque, 1, 0x00);		/* Output X Start Position */
753     chip->write(chip->opaque, 1, 0x00);		/* Output X Start Position */
754     chip->write(chip->opaque, 1, 0x00);		/* Output Y Start Position */
755     chip->write(chip->opaque, 1, 0x00);		/* Output Y Start Position */
756     chip->write(chip->opaque, 1, 0x1f);		/* Output X End Position */
757     chip->write(chip->opaque, 1, 0x03);		/* Output X End Position */
758     chip->write(chip->opaque, 1, 0xdf);		/* Output Y End Position */
759     chip->write(chip->opaque, 1, 0x01);		/* Output Y End Position */
760     chip->write(chip->opaque, 1, 0x01);		/* Input Data Format */
761     chip->write(chip->opaque, 1, 0x01);		/* Data Source Select */
762 
763     fb_blank = memset(g_malloc(800 * 480 * 2), 0xff, 800 * 480 * 2);
764     /* Display Memory Data Port */
765     chip->block(chip->opaque, 1, fb_blank, 800 * 480 * 2, 800);
766     g_free(fb_blank);
767 }
768 
769 static void n8x0_dss_setup(struct n800_s *s)
770 {
771     s->blizzard.opaque = s1d13745_init(NULL);
772     s->blizzard.block = s1d13745_write_block;
773     s->blizzard.write = s1d13745_write;
774     s->blizzard.read = s1d13745_read;
775 
776     omap_rfbi_attach(s->mpu->dss, 0, &s->blizzard);
777 }
778 
779 static void n8x0_cbus_setup(struct n800_s *s)
780 {
781     qemu_irq dat_out = qdev_get_gpio_in(s->mpu->gpio, N8X0_CBUS_DAT_GPIO);
782     qemu_irq retu_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_RETU_GPIO);
783     qemu_irq tahvo_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_TAHVO_GPIO);
784 
785     CBus *cbus = cbus_init(dat_out);
786 
787     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_CLK_GPIO, cbus->clk);
788     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_DAT_GPIO, cbus->dat);
789     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_SEL_GPIO, cbus->sel);
790 
791     cbus_attach(cbus, s->retu = retu_init(retu_irq, 1));
792     cbus_attach(cbus, s->tahvo = tahvo_init(tahvo_irq, 1));
793 }
794 
795 static void n8x0_usb_setup(struct n800_s *s)
796 {
797     SysBusDevice *dev;
798     s->usb = qdev_new("tusb6010");
799     dev = SYS_BUS_DEVICE(s->usb);
800     sysbus_realize_and_unref(dev, &error_fatal);
801     sysbus_connect_irq(dev, 0,
802                        qdev_get_gpio_in(s->mpu->gpio, N8X0_TUSB_INT_GPIO));
803     /* Using the NOR interface */
804     omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_ASYNC_CS,
805                      sysbus_mmio_get_region(dev, 0));
806     omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_SYNC_CS,
807                      sysbus_mmio_get_region(dev, 1));
808     qdev_connect_gpio_out(s->mpu->gpio, N8X0_TUSB_ENABLE_GPIO,
809                           qdev_get_gpio_in(s->usb, 0)); /* tusb_pwr */
810 }
811 
812 /* Setup done before the main bootloader starts by some early setup code
813  * - used when we want to run the main bootloader in emulation.  This
814  * isn't documented.  */
815 static const uint32_t n800_pinout[104] = {
816     0x080f00d8, 0x00d40808, 0x03080808, 0x080800d0,
817     0x00dc0808, 0x0b0f0f00, 0x080800b4, 0x00c00808,
818     0x08080808, 0x180800c4, 0x00b80000, 0x08080808,
819     0x080800bc, 0x00cc0808, 0x08081818, 0x18180128,
820     0x01241800, 0x18181818, 0x000000f0, 0x01300000,
821     0x00001b0b, 0x1b0f0138, 0x00e0181b, 0x1b031b0b,
822     0x180f0078, 0x00740018, 0x0f0f0f1a, 0x00000080,
823     0x007c0000, 0x00000000, 0x00000088, 0x00840000,
824     0x00000000, 0x00000094, 0x00980300, 0x0f180003,
825     0x0000008c, 0x00900f0f, 0x0f0f1b00, 0x0f00009c,
826     0x01140000, 0x1b1b0f18, 0x0818013c, 0x01400008,
827     0x00001818, 0x000b0110, 0x010c1800, 0x0b030b0f,
828     0x181800f4, 0x00f81818, 0x00000018, 0x000000fc,
829     0x00401808, 0x00000000, 0x0f1b0030, 0x003c0008,
830     0x00000000, 0x00000038, 0x00340000, 0x00000000,
831     0x1a080070, 0x00641a1a, 0x08080808, 0x08080060,
832     0x005c0808, 0x08080808, 0x08080058, 0x00540808,
833     0x08080808, 0x0808006c, 0x00680808, 0x08080808,
834     0x000000a8, 0x00b00000, 0x08080808, 0x000000a0,
835     0x00a40000, 0x00000000, 0x08ff0050, 0x004c0808,
836     0xffffffff, 0xffff0048, 0x0044ffff, 0xffffffff,
837     0x000000ac, 0x01040800, 0x08080b0f, 0x18180100,
838     0x01081818, 0x0b0b1808, 0x1a0300e4, 0x012c0b1a,
839     0x02020018, 0x0b000134, 0x011c0800, 0x0b1b1b00,
840     0x0f0000c8, 0x00ec181b, 0x000f0f02, 0x00180118,
841     0x01200000, 0x0f0b1b1b, 0x0f0200e8, 0x0000020b,
842 };
843 
844 static void n800_setup_nolo_tags(void *sram_base)
845 {
846     int i;
847     uint32_t *p = sram_base + 0x8000;
848     uint32_t *v = sram_base + 0xa000;
849 
850     memset(p, 0, 0x3000);
851 
852     strcpy((void *) (p + 0), "QEMU N800");
853 
854     strcpy((void *) (p + 8), "F5");
855 
856     stl_p(p + 10, 0x04f70000);
857     strcpy((void *) (p + 9), "RX-34");
858 
859     /* RAM size in MB? */
860     stl_p(p + 12, 0x80);
861 
862     /* Pointer to the list of tags */
863     stl_p(p + 13, OMAP2_SRAM_BASE + 0x9000);
864 
865     /* The NOLO tags start here */
866     p = sram_base + 0x9000;
867 #define ADD_TAG(tag, len)				\
868     stw_p((uint16_t *) p + 0, tag);			\
869     stw_p((uint16_t *) p + 1, len); p++;		\
870     stl_p(p++, OMAP2_SRAM_BASE | (((void *) v - sram_base) & 0xffff));
871 
872     /* OMAP STI console? Pin out settings? */
873     ADD_TAG(0x6e01, 414);
874     for (i = 0; i < ARRAY_SIZE(n800_pinout); i++) {
875         stl_p(v++, n800_pinout[i]);
876     }
877 
878     /* Kernel memsize? */
879     ADD_TAG(0x6e05, 1);
880     stl_p(v++, 2);
881 
882     /* NOLO serial console */
883     ADD_TAG(0x6e02, 4);
884     stl_p(v++, XLDR_LL_UART);		/* UART number (1 - 3) */
885 
886 #if 0
887     /* CBUS settings (Retu/AVilma) */
888     ADD_TAG(0x6e03, 6);
889     stw_p((uint16_t *) v + 0, 65);	/* CBUS GPIO0 */
890     stw_p((uint16_t *) v + 1, 66);	/* CBUS GPIO1 */
891     stw_p((uint16_t *) v + 2, 64);	/* CBUS GPIO2 */
892     v += 2;
893 #endif
894 
895     /* Nokia ASIC BB5 (Retu/Tahvo) */
896     ADD_TAG(0x6e0a, 4);
897     stw_p((uint16_t *) v + 0, 111);	/* "Retu" interrupt GPIO */
898     stw_p((uint16_t *) v + 1, 108);	/* "Tahvo" interrupt GPIO */
899     v++;
900 
901     /* LCD console? */
902     ADD_TAG(0x6e04, 4);
903     stw_p((uint16_t *) v + 0, 30);	/* ??? */
904     stw_p((uint16_t *) v + 1, 24);	/* ??? */
905     v++;
906 
907 #if 0
908     /* LCD settings */
909     ADD_TAG(0x6e06, 2);
910     stw_p((uint16_t *) (v++), 15);	/* ??? */
911 #endif
912 
913     /* I^2C (Menelaus) */
914     ADD_TAG(0x6e07, 4);
915     stl_p(v++, 0x00720000);		/* ??? */
916 
917     /* Unknown */
918     ADD_TAG(0x6e0b, 6);
919     stw_p((uint16_t *) v + 0, 94);	/* ??? */
920     stw_p((uint16_t *) v + 1, 23);	/* ??? */
921     stw_p((uint16_t *) v + 2, 0);	/* ??? */
922     v += 2;
923 
924     /* OMAP gpio switch info */
925     ADD_TAG(0x6e0c, 80);
926     strcpy((void *) v, "bat_cover");	v += 3;
927     stw_p((uint16_t *) v + 0, 110);	/* GPIO num ??? */
928     stw_p((uint16_t *) v + 1, 1);	/* GPIO num ??? */
929     v += 2;
930     strcpy((void *) v, "cam_act");	v += 3;
931     stw_p((uint16_t *) v + 0, 95);	/* GPIO num ??? */
932     stw_p((uint16_t *) v + 1, 32);	/* GPIO num ??? */
933     v += 2;
934     strcpy((void *) v, "cam_turn");	v += 3;
935     stw_p((uint16_t *) v + 0, 12);	/* GPIO num ??? */
936     stw_p((uint16_t *) v + 1, 33);	/* GPIO num ??? */
937     v += 2;
938     strcpy((void *) v, "headphone");	v += 3;
939     stw_p((uint16_t *) v + 0, 107);	/* GPIO num ??? */
940     stw_p((uint16_t *) v + 1, 17);	/* GPIO num ??? */
941     v += 2;
942 
943     /* Bluetooth */
944     ADD_TAG(0x6e0e, 12);
945     stl_p(v++, 0x5c623d01);		/* ??? */
946     stl_p(v++, 0x00000201);		/* ??? */
947     stl_p(v++, 0x00000000);		/* ??? */
948 
949     /* CX3110x WLAN settings */
950     ADD_TAG(0x6e0f, 8);
951     stl_p(v++, 0x00610025);		/* ??? */
952     stl_p(v++, 0xffff0057);		/* ??? */
953 
954     /* MMC host settings */
955     ADD_TAG(0x6e10, 12);
956     stl_p(v++, 0xffff000f);		/* ??? */
957     stl_p(v++, 0xffffffff);		/* ??? */
958     stl_p(v++, 0x00000060);		/* ??? */
959 
960     /* OneNAND chip select */
961     ADD_TAG(0x6e11, 10);
962     stl_p(v++, 0x00000401);		/* ??? */
963     stl_p(v++, 0x0002003a);		/* ??? */
964     stl_p(v++, 0x00000002);		/* ??? */
965 
966     /* TEA5761 sensor settings */
967     ADD_TAG(0x6e12, 2);
968     stl_p(v++, 93);			/* GPIO num ??? */
969 
970 #if 0
971     /* Unknown tag */
972     ADD_TAG(6e09, 0);
973 
974     /* Kernel UART / console */
975     ADD_TAG(6e12, 0);
976 #endif
977 
978     /* End of the list */
979     stl_p(p++, 0x00000000);
980     stl_p(p++, 0x00000000);
981 }
982 
983 /* This task is normally performed by the bootloader.  If we're loading
984  * a kernel directly, we need to set up GPMC mappings ourselves.  */
985 static void n800_gpmc_init(struct n800_s *s)
986 {
987     uint32_t config7 =
988             (0xf << 8) |	/* MASKADDRESS */
989             (1 << 6) |		/* CSVALID */
990             (4 << 0);		/* BASEADDRESS */
991 
992     cpu_physical_memory_write(0x6800a078,		/* GPMC_CONFIG7_0 */
993                               &config7, sizeof(config7));
994 }
995 
996 /* Setup sequence done by the bootloader */
997 static void n8x0_boot_init(void *opaque)
998 {
999     struct n800_s *s = (struct n800_s *) opaque;
1000     uint32_t buf;
1001 
1002     /* PRCM setup */
1003 #define omap_writel(addr, val)	\
1004     buf = (val);			\
1005     cpu_physical_memory_write(addr, &buf, sizeof(buf))
1006 
1007     omap_writel(0x48008060, 0x41);		/* PRCM_CLKSRC_CTRL */
1008     omap_writel(0x48008070, 1);			/* PRCM_CLKOUT_CTRL */
1009     omap_writel(0x48008078, 0);			/* PRCM_CLKEMUL_CTRL */
1010     omap_writel(0x48008090, 0);			/* PRCM_VOLTSETUP */
1011     omap_writel(0x48008094, 0);			/* PRCM_CLKSSETUP */
1012     omap_writel(0x48008098, 0);			/* PRCM_POLCTRL */
1013     omap_writel(0x48008140, 2);			/* CM_CLKSEL_MPU */
1014     omap_writel(0x48008148, 0);			/* CM_CLKSTCTRL_MPU */
1015     omap_writel(0x48008158, 1);			/* RM_RSTST_MPU */
1016     omap_writel(0x480081c8, 0x15);		/* PM_WKDEP_MPU */
1017     omap_writel(0x480081d4, 0x1d4);		/* PM_EVGENCTRL_MPU */
1018     omap_writel(0x480081d8, 0);			/* PM_EVEGENONTIM_MPU */
1019     omap_writel(0x480081dc, 0);			/* PM_EVEGENOFFTIM_MPU */
1020     omap_writel(0x480081e0, 0xc);		/* PM_PWSTCTRL_MPU */
1021     omap_writel(0x48008200, 0x047e7ff7);	/* CM_FCLKEN1_CORE */
1022     omap_writel(0x48008204, 0x00000004);	/* CM_FCLKEN2_CORE */
1023     omap_writel(0x48008210, 0x047e7ff1);	/* CM_ICLKEN1_CORE */
1024     omap_writel(0x48008214, 0x00000004);	/* CM_ICLKEN2_CORE */
1025     omap_writel(0x4800821c, 0x00000000);	/* CM_ICLKEN4_CORE */
1026     omap_writel(0x48008230, 0);			/* CM_AUTOIDLE1_CORE */
1027     omap_writel(0x48008234, 0);			/* CM_AUTOIDLE2_CORE */
1028     omap_writel(0x48008238, 7);			/* CM_AUTOIDLE3_CORE */
1029     omap_writel(0x4800823c, 0);			/* CM_AUTOIDLE4_CORE */
1030     omap_writel(0x48008240, 0x04360626);	/* CM_CLKSEL1_CORE */
1031     omap_writel(0x48008244, 0x00000014);	/* CM_CLKSEL2_CORE */
1032     omap_writel(0x48008248, 0);			/* CM_CLKSTCTRL_CORE */
1033     omap_writel(0x48008300, 0x00000000);	/* CM_FCLKEN_GFX */
1034     omap_writel(0x48008310, 0x00000000);	/* CM_ICLKEN_GFX */
1035     omap_writel(0x48008340, 0x00000001);	/* CM_CLKSEL_GFX */
1036     omap_writel(0x48008400, 0x00000004);	/* CM_FCLKEN_WKUP */
1037     omap_writel(0x48008410, 0x00000004);	/* CM_ICLKEN_WKUP */
1038     omap_writel(0x48008440, 0x00000000);	/* CM_CLKSEL_WKUP */
1039     omap_writel(0x48008500, 0x000000cf);	/* CM_CLKEN_PLL */
1040     omap_writel(0x48008530, 0x0000000c);	/* CM_AUTOIDLE_PLL */
1041     omap_writel(0x48008540,			/* CM_CLKSEL1_PLL */
1042                     (0x78 << 12) | (6 << 8));
1043     omap_writel(0x48008544, 2);			/* CM_CLKSEL2_PLL */
1044 
1045     /* GPMC setup */
1046     n800_gpmc_init(s);
1047 
1048     /* Video setup */
1049     n800_dss_init(&s->blizzard);
1050 
1051     /* CPU setup */
1052     s->mpu->cpu->env.GE = 0x5;
1053 
1054     /* If the machine has a slided keyboard, open it */
1055     if (s->kbd) {
1056         qemu_irq_raise(qdev_get_gpio_in(s->mpu->gpio, N810_SLIDE_GPIO));
1057     }
1058 }
1059 
1060 #define OMAP_TAG_NOKIA_BT	0x4e01
1061 #define OMAP_TAG_WLAN_CX3110X	0x4e02
1062 #define OMAP_TAG_CBUS		0x4e03
1063 #define OMAP_TAG_EM_ASIC_BB5	0x4e04
1064 
1065 static const struct omap_gpiosw_info_s {
1066     const char *name;
1067     int line;
1068     int type;
1069 } n800_gpiosw_info[] = {
1070     {
1071         "bat_cover", N800_BAT_COVER_GPIO,
1072         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1073     }, {
1074         "cam_act", N800_CAM_ACT_GPIO,
1075         OMAP_GPIOSW_TYPE_ACTIVITY,
1076     }, {
1077         "cam_turn", N800_CAM_TURN_GPIO,
1078         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_INVERTED,
1079     }, {
1080         "headphone", N8X0_HEADPHONE_GPIO,
1081         OMAP_GPIOSW_TYPE_CONNECTION | OMAP_GPIOSW_INVERTED,
1082     },
1083     { /* end of list */ }
1084 }, n810_gpiosw_info[] = {
1085     {
1086         "gps_reset", N810_GPS_RESET_GPIO,
1087         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_OUTPUT,
1088     }, {
1089         "gps_wakeup", N810_GPS_WAKEUP_GPIO,
1090         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_OUTPUT,
1091     }, {
1092         "headphone", N8X0_HEADPHONE_GPIO,
1093         OMAP_GPIOSW_TYPE_CONNECTION | OMAP_GPIOSW_INVERTED,
1094     }, {
1095         "kb_lock", N810_KB_LOCK_GPIO,
1096         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1097     }, {
1098         "sleepx_led", N810_SLEEPX_LED_GPIO,
1099         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_INVERTED | OMAP_GPIOSW_OUTPUT,
1100     }, {
1101         "slide", N810_SLIDE_GPIO,
1102         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1103     },
1104     { /* end of list */ }
1105 };
1106 
1107 static const struct omap_partition_info_s {
1108     uint32_t offset;
1109     uint32_t size;
1110     int mask;
1111     const char *name;
1112 } n800_part_info[] = {
1113     { 0x00000000, 0x00020000, 0x3, "bootloader" },
1114     { 0x00020000, 0x00060000, 0x0, "config" },
1115     { 0x00080000, 0x00200000, 0x0, "kernel" },
1116     { 0x00280000, 0x00200000, 0x3, "initfs" },
1117     { 0x00480000, 0x0fb80000, 0x3, "rootfs" },
1118     { /* end of list */ }
1119 }, n810_part_info[] = {
1120     { 0x00000000, 0x00020000, 0x3, "bootloader" },
1121     { 0x00020000, 0x00060000, 0x0, "config" },
1122     { 0x00080000, 0x00220000, 0x0, "kernel" },
1123     { 0x002a0000, 0x00400000, 0x0, "initfs" },
1124     { 0x006a0000, 0x0f960000, 0x0, "rootfs" },
1125     { /* end of list */ }
1126 };
1127 
1128 static const uint8_t n8x0_bd_addr[6] = { N8X0_BD_ADDR };
1129 
1130 static int n8x0_atag_setup(void *p, int model)
1131 {
1132     uint8_t *b;
1133     uint16_t *w;
1134     uint32_t *l;
1135     const struct omap_gpiosw_info_s *gpiosw;
1136     const struct omap_partition_info_s *partition;
1137     const char *tag;
1138 
1139     w = p;
1140 
1141     stw_p(w++, OMAP_TAG_UART);			/* u16 tag */
1142     stw_p(w++, 4);				/* u16 len */
1143     stw_p(w++, (1 << 2) | (1 << 1) | (1 << 0)); /* uint enabled_uarts */
1144     w++;
1145 
1146 #if 0
1147     stw_p(w++, OMAP_TAG_SERIAL_CONSOLE);	/* u16 tag */
1148     stw_p(w++, 4);				/* u16 len */
1149     stw_p(w++, XLDR_LL_UART + 1);		/* u8 console_uart */
1150     stw_p(w++, 115200);				/* u32 console_speed */
1151 #endif
1152 
1153     stw_p(w++, OMAP_TAG_LCD);			/* u16 tag */
1154     stw_p(w++, 36);				/* u16 len */
1155     strcpy((void *) w, "QEMU LCD panel");	/* char panel_name[16] */
1156     w += 8;
1157     strcpy((void *) w, "blizzard");		/* char ctrl_name[16] */
1158     w += 8;
1159     stw_p(w++, N810_BLIZZARD_RESET_GPIO);	/* TODO: n800 s16 nreset_gpio */
1160     stw_p(w++, 24);				/* u8 data_lines */
1161 
1162     stw_p(w++, OMAP_TAG_CBUS);			/* u16 tag */
1163     stw_p(w++, 8);				/* u16 len */
1164     stw_p(w++, N8X0_CBUS_CLK_GPIO);		/* s16 clk_gpio */
1165     stw_p(w++, N8X0_CBUS_DAT_GPIO);		/* s16 dat_gpio */
1166     stw_p(w++, N8X0_CBUS_SEL_GPIO);		/* s16 sel_gpio */
1167     w++;
1168 
1169     stw_p(w++, OMAP_TAG_EM_ASIC_BB5);		/* u16 tag */
1170     stw_p(w++, 4);				/* u16 len */
1171     stw_p(w++, N8X0_RETU_GPIO);			/* s16 retu_irq_gpio */
1172     stw_p(w++, N8X0_TAHVO_GPIO);		/* s16 tahvo_irq_gpio */
1173 
1174     gpiosw = (model == 810) ? n810_gpiosw_info : n800_gpiosw_info;
1175     for (; gpiosw->name; gpiosw++) {
1176         stw_p(w++, OMAP_TAG_GPIO_SWITCH);	/* u16 tag */
1177         stw_p(w++, 20);				/* u16 len */
1178         strcpy((void *) w, gpiosw->name);	/* char name[12] */
1179         w += 6;
1180         stw_p(w++, gpiosw->line);		/* u16 gpio */
1181         stw_p(w++, gpiosw->type);
1182         stw_p(w++, 0);
1183         stw_p(w++, 0);
1184     }
1185 
1186     stw_p(w++, OMAP_TAG_NOKIA_BT);		/* u16 tag */
1187     stw_p(w++, 12);				/* u16 len */
1188     b = (void *) w;
1189     stb_p(b++, 0x01);				/* u8 chip_type	(CSR) */
1190     stb_p(b++, N8X0_BT_WKUP_GPIO);		/* u8 bt_wakeup_gpio */
1191     stb_p(b++, N8X0_BT_HOST_WKUP_GPIO);		/* u8 host_wakeup_gpio */
1192     stb_p(b++, N8X0_BT_RESET_GPIO);		/* u8 reset_gpio */
1193     stb_p(b++, BT_UART + 1);			/* u8 bt_uart */
1194     memcpy(b, &n8x0_bd_addr, 6);		/* u8 bd_addr[6] */
1195     b += 6;
1196     stb_p(b++, 0x02);				/* u8 bt_sysclk (38.4) */
1197     w = (void *) b;
1198 
1199     stw_p(w++, OMAP_TAG_WLAN_CX3110X);		/* u16 tag */
1200     stw_p(w++, 8);				/* u16 len */
1201     stw_p(w++, 0x25);				/* u8 chip_type */
1202     stw_p(w++, N8X0_WLAN_PWR_GPIO);		/* s16 power_gpio */
1203     stw_p(w++, N8X0_WLAN_IRQ_GPIO);		/* s16 irq_gpio */
1204     stw_p(w++, -1);				/* s16 spi_cs_gpio */
1205 
1206     stw_p(w++, OMAP_TAG_MMC);			/* u16 tag */
1207     stw_p(w++, 16);				/* u16 len */
1208     if (model == 810) {
1209         stw_p(w++, 0x23f);			/* unsigned flags */
1210         stw_p(w++, -1);				/* s16 power_pin */
1211         stw_p(w++, -1);				/* s16 switch_pin */
1212         stw_p(w++, -1);				/* s16 wp_pin */
1213         stw_p(w++, 0x240);			/* unsigned flags */
1214         stw_p(w++, 0xc000);			/* s16 power_pin */
1215         stw_p(w++, 0x0248);			/* s16 switch_pin */
1216         stw_p(w++, 0xc000);			/* s16 wp_pin */
1217     } else {
1218         stw_p(w++, 0xf);			/* 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++, 0);				/* unsigned flags */
1223         stw_p(w++, 0);				/* s16 power_pin */
1224         stw_p(w++, 0);				/* s16 switch_pin */
1225         stw_p(w++, 0);				/* s16 wp_pin */
1226     }
1227 
1228     stw_p(w++, OMAP_TAG_TEA5761);		/* u16 tag */
1229     stw_p(w++, 4);				/* u16 len */
1230     stw_p(w++, N8X0_TEA5761_CS_GPIO);		/* u16 enable_gpio */
1231     w++;
1232 
1233     partition = (model == 810) ? n810_part_info : n800_part_info;
1234     for (; partition->name; partition++) {
1235         stw_p(w++, OMAP_TAG_PARTITION);		/* u16 tag */
1236         stw_p(w++, 28);				/* u16 len */
1237         strcpy((void *) w, partition->name);	/* char name[16] */
1238         l = (void *) (w + 8);
1239         stl_p(l++, partition->size);		/* unsigned int size */
1240         stl_p(l++, partition->offset);		/* unsigned int offset */
1241         stl_p(l++, partition->mask);		/* unsigned int mask_flags */
1242         w = (void *) l;
1243     }
1244 
1245     stw_p(w++, OMAP_TAG_BOOT_REASON);		/* u16 tag */
1246     stw_p(w++, 12);				/* u16 len */
1247 #if 0
1248     strcpy((void *) w, "por");			/* char reason_str[12] */
1249     strcpy((void *) w, "charger");		/* char reason_str[12] */
1250     strcpy((void *) w, "32wd_to");		/* char reason_str[12] */
1251     strcpy((void *) w, "sw_rst");		/* char reason_str[12] */
1252     strcpy((void *) w, "mbus");			/* char reason_str[12] */
1253     strcpy((void *) w, "unknown");		/* char reason_str[12] */
1254     strcpy((void *) w, "swdg_to");		/* char reason_str[12] */
1255     strcpy((void *) w, "sec_vio");		/* char reason_str[12] */
1256     strcpy((void *) w, "pwr_key");		/* char reason_str[12] */
1257     strcpy((void *) w, "rtc_alarm");		/* char reason_str[12] */
1258 #else
1259     strcpy((void *) w, "pwr_key");		/* char reason_str[12] */
1260 #endif
1261     w += 6;
1262 
1263     tag = (model == 810) ? "RX-44" : "RX-34";
1264     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1265     stw_p(w++, 24);				/* u16 len */
1266     strcpy((void *) w, "product");		/* char component[12] */
1267     w += 6;
1268     strcpy((void *) w, tag);			/* char version[12] */
1269     w += 6;
1270 
1271     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1272     stw_p(w++, 24);				/* u16 len */
1273     strcpy((void *) w, "hw-build");		/* char component[12] */
1274     w += 6;
1275     strcpy((void *) w, "QEMU ");
1276     pstrcat((void *) w, 12, qemu_hw_version()); /* char version[12] */
1277     w += 6;
1278 
1279     tag = (model == 810) ? "1.1.10-qemu" : "1.1.6-qemu";
1280     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1281     stw_p(w++, 24);				/* u16 len */
1282     strcpy((void *) w, "nolo");			/* char component[12] */
1283     w += 6;
1284     strcpy((void *) w, tag);			/* char version[12] */
1285     w += 6;
1286 
1287     return (void *) w - p;
1288 }
1289 
1290 static int n800_atag_setup(const struct arm_boot_info *info, void *p)
1291 {
1292     return n8x0_atag_setup(p, 800);
1293 }
1294 
1295 static int n810_atag_setup(const struct arm_boot_info *info, void *p)
1296 {
1297     return n8x0_atag_setup(p, 810);
1298 }
1299 
1300 static void n8x0_init(MachineState *machine,
1301                       struct arm_boot_info *binfo, int model)
1302 {
1303     struct n800_s *s = g_malloc0(sizeof(*s));
1304     MachineClass *mc = MACHINE_GET_CLASS(machine);
1305 
1306     if (machine->ram_size != mc->default_ram_size) {
1307         char *sz = size_to_str(mc->default_ram_size);
1308         error_report("Invalid RAM size, should be %s", sz);
1309         g_free(sz);
1310         exit(EXIT_FAILURE);
1311     }
1312     binfo->ram_size = machine->ram_size;
1313 
1314     memory_region_add_subregion(get_system_memory(), OMAP2_Q2_BASE,
1315                                 machine->ram);
1316 
1317     s->mpu = omap2420_mpu_init(machine->ram, machine->cpu_type);
1318 
1319     /* Setup peripherals
1320      *
1321      * Believed external peripherals layout in the N810:
1322      * (spi bus 1)
1323      *   tsc2005
1324      *   lcd_mipid
1325      * (spi bus 2)
1326      *   Conexant cx3110x (WLAN)
1327      *   optional: pc2400m (WiMAX)
1328      * (i2c bus 0)
1329      *   TLV320AIC33 (audio codec)
1330      *   TCM825x (camera by Toshiba)
1331      *   lp5521 (clever LEDs)
1332      *   tsl2563 (light sensor, hwmon, model 7, rev. 0)
1333      *   lm8323 (keypad, manf 00, rev 04)
1334      * (i2c bus 1)
1335      *   tmp105 (temperature sensor, hwmon)
1336      *   menelaus (pm)
1337      * (somewhere on i2c - maybe N800-only)
1338      *   tea5761 (FM tuner)
1339      * (serial 0)
1340      *   GPS
1341      * (some serial port)
1342      *   csr41814 (Bluetooth)
1343      */
1344     n8x0_gpio_setup(s);
1345     n8x0_nand_setup(s);
1346     n8x0_i2c_setup(s);
1347     if (model == 800) {
1348         n800_tsc_kbd_setup(s);
1349     } else if (model == 810) {
1350         n810_tsc_setup(s);
1351         n810_kbd_setup(s);
1352     }
1353     n8x0_spi_setup(s);
1354     n8x0_dss_setup(s);
1355     n8x0_cbus_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         arm_load_kernel(s->mpu->cpu, machine, binfo);
1363 
1364         qemu_register_reset(n8x0_boot_init, s);
1365     }
1366 
1367     if (option_rom[0].name &&
1368         (machine->boot_config.order[0] == 'n' || !machine->kernel_filename)) {
1369         uint8_t *nolo_tags = g_new(uint8_t, 0x10000);
1370         /* No, wait, better start at the ROM.  */
1371         s->mpu->cpu->env.regs[15] = OMAP2_Q2_BASE + 0x400000;
1372 
1373         /*
1374          * This is intended for loading the `secondary.bin' program from
1375          * Nokia images (the NOLO bootloader).  The entry point seems
1376          * to be at OMAP2_Q2_BASE + 0x400000.
1377          *
1378          * The `2nd.bin' files contain some kind of earlier boot code and
1379          * for them the entry point needs to be set to OMAP2_SRAM_BASE.
1380          *
1381          * The code above is for loading the `zImage' file from Nokia
1382          * images.
1383          */
1384         if (load_image_targphys(option_rom[0].name,
1385                                 OMAP2_Q2_BASE + 0x400000,
1386                                 machine->ram_size - 0x400000) < 0) {
1387             error_report("Failed to load secondary bootloader %s",
1388                          option_rom[0].name);
1389             exit(EXIT_FAILURE);
1390         }
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     .board_id = 0x4f7,
1401     .atag_board = n800_atag_setup,
1402 };
1403 
1404 static struct arm_boot_info n810_binfo = {
1405     .loader_start = OMAP2_Q2_BASE,
1406     /* 0x60c and 0x6bf (WiMAX Edition) have been assigned but are not
1407      * used by some older versions of the bootloader and 5555 is used
1408      * instead (including versions that shipped with many devices).  */
1409     .board_id = 0x60c,
1410     .atag_board = n810_atag_setup,
1411 };
1412 
1413 static void n800_init(MachineState *machine)
1414 {
1415     n8x0_init(machine, &n800_binfo, 800);
1416 }
1417 
1418 static void n810_init(MachineState *machine)
1419 {
1420     n8x0_init(machine, &n810_binfo, 810);
1421 }
1422 
1423 static void n800_class_init(ObjectClass *oc, void *data)
1424 {
1425     MachineClass *mc = MACHINE_CLASS(oc);
1426 
1427     mc->desc = "Nokia N800 tablet aka. RX-34 (OMAP2420)";
1428     mc->init = n800_init;
1429     mc->default_boot_order = "";
1430     mc->ignore_memory_transaction_failures = true;
1431     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1136-r2");
1432     /* Actually two chips of 0x4000000 bytes each */
1433     mc->default_ram_size = 0x08000000;
1434     mc->default_ram_id = "omap2.dram";
1435 }
1436 
1437 static const TypeInfo n800_type = {
1438     .name = MACHINE_TYPE_NAME("n800"),
1439     .parent = TYPE_MACHINE,
1440     .class_init = n800_class_init,
1441 };
1442 
1443 static void n810_class_init(ObjectClass *oc, void *data)
1444 {
1445     MachineClass *mc = MACHINE_CLASS(oc);
1446 
1447     mc->desc = "Nokia N810 tablet aka. RX-44 (OMAP2420)";
1448     mc->init = n810_init;
1449     mc->default_boot_order = "";
1450     mc->ignore_memory_transaction_failures = true;
1451     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1136-r2");
1452     /* Actually two chips of 0x4000000 bytes each */
1453     mc->default_ram_size = 0x08000000;
1454     mc->default_ram_id = "omap2.dram";
1455 }
1456 
1457 static const TypeInfo n810_type = {
1458     .name = MACHINE_TYPE_NAME("n810"),
1459     .parent = TYPE_MACHINE,
1460     .class_init = n810_class_init,
1461 };
1462 
1463 static void nseries_machine_init(void)
1464 {
1465     type_register_static(&n800_type);
1466     type_register_static(&n810_type);
1467 }
1468 
1469 type_init(nseries_machine_init)
1470