xref: /openbmc/qemu/hw/arm/nseries.c (revision 5b3e7517)
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 "sysemu/reset.h"
28 #include "sysemu/runstate.h"
29 #include "sysemu/sysemu.h"
30 #include "hw/arm/omap.h"
31 #include "hw/arm/boot.h"
32 #include "hw/irq.h"
33 #include "ui/console.h"
34 #include "hw/boards.h"
35 #include "hw/i2c/i2c.h"
36 #include "hw/display/blizzard.h"
37 #include "hw/input/lm832x.h"
38 #include "hw/input/tsc2xxx.h"
39 #include "hw/misc/cbus.h"
40 #include "hw/sensor/tmp105.h"
41 #include "hw/qdev-properties.h"
42 #include "hw/block/flash.h"
43 #include "hw/hw.h"
44 #include "hw/loader.h"
45 #include "hw/sysbus.h"
46 #include "qemu/log.h"
47 
48 /* Nokia N8x0 support */
49 struct n800_s {
50     struct omap_mpu_state_s *mpu;
51 
52     struct rfbi_chip_s blizzard;
53     struct {
54         void *opaque;
55         uint32_t (*txrx)(void *opaque, uint32_t value, int len);
56         uWireSlave *chip;
57     } ts;
58 
59     int keymap[0x80];
60     DeviceState *kbd;
61 
62     DeviceState *usb;
63     void *retu;
64     void *tahvo;
65     DeviceState *nand;
66 };
67 
68 /* GPIO pins */
69 #define N8X0_TUSB_ENABLE_GPIO		0
70 #define N800_MMC2_WP_GPIO		8
71 #define N800_UNKNOWN_GPIO0		9	/* out */
72 #define N810_MMC2_VIOSD_GPIO		9
73 #define N810_HEADSET_AMP_GPIO		10
74 #define N800_CAM_TURN_GPIO		12
75 #define N810_GPS_RESET_GPIO		12
76 #define N800_BLIZZARD_POWERDOWN_GPIO	15
77 #define N800_MMC1_WP_GPIO		23
78 #define N810_MMC2_VSD_GPIO		23
79 #define N8X0_ONENAND_GPIO		26
80 #define N810_BLIZZARD_RESET_GPIO	30
81 #define N800_UNKNOWN_GPIO2		53	/* out */
82 #define N8X0_TUSB_INT_GPIO		58
83 #define N8X0_BT_WKUP_GPIO		61
84 #define N8X0_STI_GPIO			62
85 #define N8X0_CBUS_SEL_GPIO		64
86 #define N8X0_CBUS_DAT_GPIO		65
87 #define N8X0_CBUS_CLK_GPIO		66
88 #define N8X0_WLAN_IRQ_GPIO		87
89 #define N8X0_BT_RESET_GPIO		92
90 #define N8X0_TEA5761_CS_GPIO		93
91 #define N800_UNKNOWN_GPIO		94
92 #define N810_TSC_RESET_GPIO		94
93 #define N800_CAM_ACT_GPIO		95
94 #define N810_GPS_WAKEUP_GPIO		95
95 #define N8X0_MMC_CS_GPIO		96
96 #define N8X0_WLAN_PWR_GPIO		97
97 #define N8X0_BT_HOST_WKUP_GPIO		98
98 #define N810_SPEAKER_AMP_GPIO		101
99 #define N810_KB_LOCK_GPIO		102
100 #define N800_TSC_TS_GPIO		103
101 #define N810_TSC_TS_GPIO		106
102 #define N8X0_HEADPHONE_GPIO		107
103 #define N8X0_RETU_GPIO			108
104 #define N800_TSC_KP_IRQ_GPIO		109
105 #define N810_KEYBOARD_GPIO		109
106 #define N800_BAT_COVER_GPIO		110
107 #define N810_SLIDE_GPIO			110
108 #define N8X0_TAHVO_GPIO			111
109 #define N800_UNKNOWN_GPIO4		112	/* out */
110 #define N810_SLEEPX_LED_GPIO		112
111 #define N800_TSC_RESET_GPIO		118	/* ? */
112 #define N810_AIC33_RESET_GPIO		118
113 #define N800_TSC_UNKNOWN_GPIO		119	/* out */
114 #define N8X0_TMP105_GPIO		125
115 
116 /* Config */
117 #define BT_UART				0
118 #define XLDR_LL_UART			1
119 
120 /* Addresses on the I2C bus 0 */
121 #define N810_TLV320AIC33_ADDR		0x18	/* Audio CODEC */
122 #define N8X0_TCM825x_ADDR		0x29	/* Camera */
123 #define N810_LP5521_ADDR		0x32	/* LEDs */
124 #define N810_TSL2563_ADDR		0x3d	/* Light sensor */
125 #define N810_LM8323_ADDR		0x45	/* Keyboard */
126 /* Addresses on the I2C bus 1 */
127 #define N8X0_TMP105_ADDR		0x48	/* Temperature sensor */
128 #define N8X0_MENELAUS_ADDR		0x72	/* Power management */
129 
130 /* Chipselects on GPMC NOR interface */
131 #define N8X0_ONENAND_CS			0
132 #define N8X0_USB_ASYNC_CS		1
133 #define N8X0_USB_SYNC_CS		4
134 
135 #define N8X0_BD_ADDR			0x00, 0x1a, 0x89, 0x9e, 0x3e, 0x81
136 
137 static void n800_mmc_cs_cb(void *opaque, int line, int level)
138 {
139     /* TODO: this seems to actually be connected to the menelaus, to
140      * which also both MMC slots connect.  */
141     omap_mmc_enable((struct omap_mmc_s *) opaque, !level);
142 }
143 
144 static void n8x0_gpio_setup(struct n800_s *s)
145 {
146     qdev_connect_gpio_out(s->mpu->gpio, N8X0_MMC_CS_GPIO,
147                           qemu_allocate_irq(n800_mmc_cs_cb, s->mpu->mmc, 0));
148     qemu_irq_lower(qdev_get_gpio_in(s->mpu->gpio, N800_BAT_COVER_GPIO));
149 }
150 
151 #define MAEMO_CAL_HEADER(...)				\
152     'C',  'o',  'n',  'F',  0x02, 0x00, 0x04, 0x00,	\
153     __VA_ARGS__,					\
154     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
155 
156 static const uint8_t n8x0_cal_wlan_mac[] = {
157     MAEMO_CAL_HEADER('w', 'l', 'a', 'n', '-', 'm', 'a', 'c')
158     0x1c, 0x00, 0x00, 0x00, 0x47, 0xd6, 0x69, 0xb3,
159     0x30, 0x08, 0xa0, 0x83, 0x00, 0x00, 0x00, 0x00,
160     0x00, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x00, 0x00,
161     0x89, 0x00, 0x00, 0x00, 0x9e, 0x00, 0x00, 0x00,
162     0x5d, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00,
163 };
164 
165 static const uint8_t n8x0_cal_bt_id[] = {
166     MAEMO_CAL_HEADER('b', 't', '-', 'i', 'd', 0, 0, 0)
167     0x0a, 0x00, 0x00, 0x00, 0xa3, 0x4b, 0xf6, 0x96,
168     0xa8, 0xeb, 0xb2, 0x41, 0x00, 0x00, 0x00, 0x00,
169     N8X0_BD_ADDR,
170 };
171 
172 static void n8x0_nand_setup(struct n800_s *s)
173 {
174     char *otp_region;
175     DriveInfo *dinfo;
176 
177     s->nand = qdev_new("onenand");
178     qdev_prop_set_uint16(s->nand, "manufacturer_id", NAND_MFR_SAMSUNG);
179     /* Either 0x40 or 0x48 are OK for the device ID */
180     qdev_prop_set_uint16(s->nand, "device_id", 0x48);
181     qdev_prop_set_uint16(s->nand, "version_id", 0);
182     qdev_prop_set_int32(s->nand, "shift", 1);
183     dinfo = drive_get(IF_MTD, 0, 0);
184     if (dinfo) {
185         qdev_prop_set_drive_err(s->nand, "drive", blk_by_legacy_dinfo(dinfo),
186                                 &error_fatal);
187     }
188     sysbus_realize_and_unref(SYS_BUS_DEVICE(s->nand), &error_fatal);
189     sysbus_connect_irq(SYS_BUS_DEVICE(s->nand), 0,
190                        qdev_get_gpio_in(s->mpu->gpio, N8X0_ONENAND_GPIO));
191     omap_gpmc_attach(s->mpu->gpmc, N8X0_ONENAND_CS,
192                      sysbus_mmio_get_region(SYS_BUS_DEVICE(s->nand), 0));
193     otp_region = onenand_raw_otp(s->nand);
194 
195     memcpy(otp_region + 0x000, n8x0_cal_wlan_mac, sizeof(n8x0_cal_wlan_mac));
196     memcpy(otp_region + 0x800, n8x0_cal_bt_id, sizeof(n8x0_cal_bt_id));
197     /* XXX: in theory should also update the OOB for both pages */
198 }
199 
200 static qemu_irq n8x0_system_powerdown;
201 
202 static void n8x0_powerdown_req(Notifier *n, void *opaque)
203 {
204     qemu_irq_raise(n8x0_system_powerdown);
205 }
206 
207 static Notifier n8x0_system_powerdown_notifier = {
208     .notify = n8x0_powerdown_req
209 };
210 
211 static void n8x0_i2c_setup(struct n800_s *s)
212 {
213     DeviceState *dev;
214     qemu_irq tmp_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_TMP105_GPIO);
215     I2CBus *i2c = omap_i2c_bus(s->mpu->i2c[0]);
216 
217     /* Attach a menelaus PM chip */
218     dev = DEVICE(i2c_slave_create_simple(i2c, "twl92230", N8X0_MENELAUS_ADDR));
219     qdev_connect_gpio_out(dev, 3,
220                           qdev_get_gpio_in(s->mpu->ih[0],
221                                            OMAP_INT_24XX_SYS_NIRQ));
222 
223     n8x0_system_powerdown = qdev_get_gpio_in(dev, 3);
224     qemu_register_powerdown_notifier(&n8x0_system_powerdown_notifier);
225 
226     /* Attach a TMP105 PM chip (A0 wired to ground) */
227     dev = DEVICE(i2c_slave_create_simple(i2c, TYPE_TMP105, N8X0_TMP105_ADDR));
228     qdev_connect_gpio_out(dev, 0, tmp_irq);
229 }
230 
231 /* Touchscreen and keypad controller */
232 static MouseTransformInfo n800_pointercal = {
233     .x = 800,
234     .y = 480,
235     .a = { 14560, -68, -3455208, -39, -9621, 35152972, 65536 },
236 };
237 
238 static MouseTransformInfo n810_pointercal = {
239     .x = 800,
240     .y = 480,
241     .a = { 15041, 148, -4731056, 171, -10238, 35933380, 65536 },
242 };
243 
244 #define RETU_KEYCODE	61	/* F3 */
245 
246 static void n800_key_event(void *opaque, int keycode)
247 {
248     struct n800_s *s = (struct n800_s *) opaque;
249     int code = s->keymap[keycode & 0x7f];
250 
251     if (code == -1) {
252         if ((keycode & 0x7f) == RETU_KEYCODE) {
253             retu_key_event(s->retu, !(keycode & 0x80));
254         }
255         return;
256     }
257 
258     tsc210x_key_event(s->ts.chip, code, !(keycode & 0x80));
259 }
260 
261 static const int n800_keys[16] = {
262     -1,
263     72,	/* Up */
264     63,	/* Home (F5) */
265     -1,
266     75,	/* Left */
267     28,	/* Enter */
268     77,	/* Right */
269     -1,
270      1,	/* Cycle (ESC) */
271     80,	/* Down */
272     62,	/* Menu (F4) */
273     -1,
274     66,	/* Zoom- (F8) */
275     64,	/* FullScreen (F6) */
276     65,	/* Zoom+ (F7) */
277     -1,
278 };
279 
280 static void n800_tsc_kbd_setup(struct n800_s *s)
281 {
282     int i;
283 
284     /* XXX: are the three pins inverted inside the chip between the
285      * tsc and the cpu (N4111)?  */
286     qemu_irq penirq = NULL;	/* NC */
287     qemu_irq kbirq = qdev_get_gpio_in(s->mpu->gpio, N800_TSC_KP_IRQ_GPIO);
288     qemu_irq dav = qdev_get_gpio_in(s->mpu->gpio, N800_TSC_TS_GPIO);
289 
290     s->ts.chip = tsc2301_init(penirq, kbirq, dav);
291     s->ts.opaque = s->ts.chip->opaque;
292     s->ts.txrx = tsc210x_txrx;
293 
294     for (i = 0; i < 0x80; i++) {
295         s->keymap[i] = -1;
296     }
297     for (i = 0; i < 0x10; i++) {
298         if (n800_keys[i] >= 0) {
299             s->keymap[n800_keys[i]] = i;
300         }
301     }
302 
303     qemu_add_kbd_event_handler(n800_key_event, s);
304 
305     tsc210x_set_transform(s->ts.chip, &n800_pointercal);
306 }
307 
308 static void n810_tsc_setup(struct n800_s *s)
309 {
310     qemu_irq pintdav = qdev_get_gpio_in(s->mpu->gpio, N810_TSC_TS_GPIO);
311 
312     s->ts.opaque = tsc2005_init(pintdav);
313     s->ts.txrx = tsc2005_txrx;
314 
315     tsc2005_set_transform(s->ts.opaque, &n810_pointercal);
316 }
317 
318 /* N810 Keyboard controller */
319 static void n810_key_event(void *opaque, int keycode)
320 {
321     struct n800_s *s = (struct n800_s *) opaque;
322     int code = s->keymap[keycode & 0x7f];
323 
324     if (code == -1) {
325         if ((keycode & 0x7f) == RETU_KEYCODE) {
326             retu_key_event(s->retu, !(keycode & 0x80));
327         }
328         return;
329     }
330 
331     lm832x_key_event(s->kbd, code, !(keycode & 0x80));
332 }
333 
334 #define M	0
335 
336 static int n810_keys[0x80] = {
337     [0x01] = 16,	/* Q */
338     [0x02] = 37,	/* K */
339     [0x03] = 24,	/* O */
340     [0x04] = 25,	/* P */
341     [0x05] = 14,	/* Backspace */
342     [0x06] = 30,	/* A */
343     [0x07] = 31,	/* S */
344     [0x08] = 32,	/* D */
345     [0x09] = 33,	/* F */
346     [0x0a] = 34,	/* G */
347     [0x0b] = 35,	/* H */
348     [0x0c] = 36,	/* J */
349 
350     [0x11] = 17,	/* W */
351     [0x12] = 62,	/* Menu (F4) */
352     [0x13] = 38,	/* L */
353     [0x14] = 40,	/* ' (Apostrophe) */
354     [0x16] = 44,	/* Z */
355     [0x17] = 45,	/* X */
356     [0x18] = 46,	/* C */
357     [0x19] = 47,	/* V */
358     [0x1a] = 48,	/* B */
359     [0x1b] = 49,	/* N */
360     [0x1c] = 42,	/* Shift (Left shift) */
361     [0x1f] = 65,	/* Zoom+ (F7) */
362 
363     [0x21] = 18,	/* E */
364     [0x22] = 39,	/* ; (Semicolon) */
365     [0x23] = 12,	/* - (Minus) */
366     [0x24] = 13,	/* = (Equal) */
367     [0x2b] = 56,	/* Fn (Left Alt) */
368     [0x2c] = 50,	/* M */
369     [0x2f] = 66,	/* Zoom- (F8) */
370 
371     [0x31] = 19,	/* R */
372     [0x32] = 29 | M,	/* Right Ctrl */
373     [0x34] = 57,	/* Space */
374     [0x35] = 51,	/* , (Comma) */
375     [0x37] = 72 | M,	/* Up */
376     [0x3c] = 82 | M,	/* Compose (Insert) */
377     [0x3f] = 64,	/* FullScreen (F6) */
378 
379     [0x41] = 20,	/* T */
380     [0x44] = 52,	/* . (Dot) */
381     [0x46] = 77 | M,	/* Right */
382     [0x4f] = 63,	/* Home (F5) */
383     [0x51] = 21,	/* Y */
384     [0x53] = 80 | M,	/* Down */
385     [0x55] = 28,	/* Enter */
386     [0x5f] =  1,	/* Cycle (ESC) */
387 
388     [0x61] = 22,	/* U */
389     [0x64] = 75 | M,	/* Left */
390 
391     [0x71] = 23,	/* I */
392 #if 0
393     [0x75] = 28 | M,	/* KP Enter (KP Enter) */
394 #else
395     [0x75] = 15,	/* KP Enter (Tab) */
396 #endif
397 };
398 
399 #undef M
400 
401 static void n810_kbd_setup(struct n800_s *s)
402 {
403     qemu_irq kbd_irq = qdev_get_gpio_in(s->mpu->gpio, N810_KEYBOARD_GPIO);
404     int i;
405 
406     for (i = 0; i < 0x80; i++) {
407         s->keymap[i] = -1;
408     }
409     for (i = 0; i < 0x80; i++) {
410         if (n810_keys[i] > 0) {
411             s->keymap[n810_keys[i]] = i;
412         }
413     }
414 
415     qemu_add_kbd_event_handler(n810_key_event, s);
416 
417     /* Attach the LM8322 keyboard to the I2C bus,
418      * should happen in n8x0_i2c_setup and s->kbd be initialised here.  */
419     s->kbd = DEVICE(i2c_slave_create_simple(omap_i2c_bus(s->mpu->i2c[0]),
420                                             TYPE_LM8323, N810_LM8323_ADDR));
421     qdev_connect_gpio_out(s->kbd, 0, kbd_irq);
422 }
423 
424 /* LCD MIPI DBI-C controller (URAL) */
425 struct mipid_s {
426     int resp[4];
427     int param[4];
428     int p;
429     int pm;
430     int cmd;
431 
432     int sleep;
433     int booster;
434     int te;
435     int selfcheck;
436     int partial;
437     int normal;
438     int vscr;
439     int invert;
440     int onoff;
441     int gamma;
442     uint32_t id;
443 };
444 
445 static void mipid_reset(struct mipid_s *s)
446 {
447     s->pm = 0;
448     s->cmd = 0;
449 
450     s->sleep = 1;
451     s->booster = 0;
452     s->selfcheck =
453             (1 << 7) |	/* Register loading OK.  */
454             (1 << 5) |	/* The chip is attached.  */
455             (1 << 4);	/* Display glass still in one piece.  */
456     s->te = 0;
457     s->partial = 0;
458     s->normal = 1;
459     s->vscr = 0;
460     s->invert = 0;
461     s->onoff = 1;
462     s->gamma = 0;
463 }
464 
465 static uint32_t mipid_txrx(void *opaque, uint32_t cmd, int len)
466 {
467     struct mipid_s *s = (struct mipid_s *) opaque;
468     uint8_t ret;
469 
470     if (len > 9) {
471         hw_error("%s: FIXME: bad SPI word width %i\n", __func__, len);
472     }
473 
474     if (s->p >= ARRAY_SIZE(s->resp)) {
475         ret = 0;
476     } else {
477         ret = s->resp[s->p++];
478     }
479     if (s->pm-- > 0) {
480         s->param[s->pm] = cmd;
481     } else {
482         s->cmd = cmd;
483     }
484 
485     switch (s->cmd) {
486     case 0x00:	/* NOP */
487         break;
488 
489     case 0x01:	/* SWRESET */
490         mipid_reset(s);
491         break;
492 
493     case 0x02:	/* BSTROFF */
494         s->booster = 0;
495         break;
496     case 0x03:	/* BSTRON */
497         s->booster = 1;
498         break;
499 
500     case 0x04:	/* RDDID */
501         s->p = 0;
502         s->resp[0] = (s->id >> 16) & 0xff;
503         s->resp[1] = (s->id >>  8) & 0xff;
504         s->resp[2] = (s->id >>  0) & 0xff;
505         break;
506 
507     case 0x06:	/* RD_RED */
508     case 0x07:	/* RD_GREEN */
509         /* XXX the bootloader sometimes issues RD_BLUE meaning RDDID so
510          * for the bootloader one needs to change this.  */
511     case 0x08:	/* RD_BLUE */
512         s->p = 0;
513         /* TODO: return first pixel components */
514         s->resp[0] = 0x01;
515         break;
516 
517     case 0x09:	/* RDDST */
518         s->p = 0;
519         s->resp[0] = s->booster << 7;
520         s->resp[1] = (5 << 4) | (s->partial << 2) |
521                 (s->sleep << 1) | s->normal;
522         s->resp[2] = (s->vscr << 7) | (s->invert << 5) |
523                 (s->onoff << 2) | (s->te << 1) | (s->gamma >> 2);
524         s->resp[3] = s->gamma << 6;
525         break;
526 
527     case 0x0a:	/* RDDPM */
528         s->p = 0;
529         s->resp[0] = (s->onoff << 2) | (s->normal << 3) | (s->sleep << 4) |
530                 (s->partial << 5) | (s->sleep << 6) | (s->booster << 7);
531         break;
532     case 0x0b:	/* RDDMADCTR */
533         s->p = 0;
534         s->resp[0] = 0;
535         break;
536     case 0x0c:	/* RDDCOLMOD */
537         s->p = 0;
538         s->resp[0] = 5;	/* 65K colours */
539         break;
540     case 0x0d:	/* RDDIM */
541         s->p = 0;
542         s->resp[0] = (s->invert << 5) | (s->vscr << 7) | s->gamma;
543         break;
544     case 0x0e:	/* RDDSM */
545         s->p = 0;
546         s->resp[0] = s->te << 7;
547         break;
548     case 0x0f:	/* RDDSDR */
549         s->p = 0;
550         s->resp[0] = s->selfcheck;
551         break;
552 
553     case 0x10:	/* SLPIN */
554         s->sleep = 1;
555         break;
556     case 0x11:	/* SLPOUT */
557         s->sleep = 0;
558         s->selfcheck ^= 1 << 6;	/* POFF self-diagnosis Ok */
559         break;
560 
561     case 0x12:	/* PTLON */
562         s->partial = 1;
563         s->normal = 0;
564         s->vscr = 0;
565         break;
566     case 0x13:	/* NORON */
567         s->partial = 0;
568         s->normal = 1;
569         s->vscr = 0;
570         break;
571 
572     case 0x20:	/* INVOFF */
573         s->invert = 0;
574         break;
575     case 0x21:	/* INVON */
576         s->invert = 1;
577         break;
578 
579     case 0x22:	/* APOFF */
580     case 0x23:	/* APON */
581         goto bad_cmd;
582 
583     case 0x25:	/* WRCNTR */
584         if (s->pm < 0) {
585             s->pm = 1;
586         }
587         goto bad_cmd;
588 
589     case 0x26:	/* GAMSET */
590         if (!s->pm) {
591             s->gamma = ctz32(s->param[0] & 0xf);
592             if (s->gamma == 32) {
593                 s->gamma = -1; /* XXX: should this be 0? */
594             }
595         } else if (s->pm < 0) {
596             s->pm = 1;
597         }
598         break;
599 
600     case 0x28:	/* DISPOFF */
601         s->onoff = 0;
602         break;
603     case 0x29:	/* DISPON */
604         s->onoff = 1;
605         break;
606 
607     case 0x2a:	/* CASET */
608     case 0x2b:	/* RASET */
609     case 0x2c:	/* RAMWR */
610     case 0x2d:	/* RGBSET */
611     case 0x2e:	/* RAMRD */
612     case 0x30:	/* PTLAR */
613     case 0x33:	/* SCRLAR */
614         goto bad_cmd;
615 
616     case 0x34:	/* TEOFF */
617         s->te = 0;
618         break;
619     case 0x35:	/* TEON */
620         if (!s->pm) {
621             s->te = 1;
622         } else if (s->pm < 0) {
623             s->pm = 1;
624         }
625         break;
626 
627     case 0x36:	/* MADCTR */
628         goto bad_cmd;
629 
630     case 0x37:	/* VSCSAD */
631         s->partial = 0;
632         s->normal = 0;
633         s->vscr = 1;
634         break;
635 
636     case 0x38:	/* IDMOFF */
637     case 0x39:	/* IDMON */
638     case 0x3a:	/* COLMOD */
639         goto bad_cmd;
640 
641     case 0xb0:	/* CLKINT / DISCTL */
642     case 0xb1:	/* CLKEXT */
643         if (s->pm < 0) {
644             s->pm = 2;
645         }
646         break;
647 
648     case 0xb4:	/* FRMSEL */
649         break;
650 
651     case 0xb5:	/* FRM8SEL */
652     case 0xb6:	/* TMPRNG / INIESC */
653     case 0xb7:	/* TMPHIS / NOP2 */
654     case 0xb8:	/* TMPREAD / MADCTL */
655     case 0xba:	/* DISTCTR */
656     case 0xbb:	/* EPVOL */
657         goto bad_cmd;
658 
659     case 0xbd:	/* Unknown */
660         s->p = 0;
661         s->resp[0] = 0;
662         s->resp[1] = 1;
663         break;
664 
665     case 0xc2:	/* IFMOD */
666         if (s->pm < 0) {
667             s->pm = 2;
668         }
669         break;
670 
671     case 0xc6:	/* PWRCTL */
672     case 0xc7:	/* PPWRCTL */
673     case 0xd0:	/* EPWROUT */
674     case 0xd1:	/* EPWRIN */
675     case 0xd4:	/* RDEV */
676     case 0xd5:	/* RDRR */
677         goto bad_cmd;
678 
679     case 0xda:	/* RDID1 */
680         s->p = 0;
681         s->resp[0] = (s->id >> 16) & 0xff;
682         break;
683     case 0xdb:	/* RDID2 */
684         s->p = 0;
685         s->resp[0] = (s->id >>  8) & 0xff;
686         break;
687     case 0xdc:	/* RDID3 */
688         s->p = 0;
689         s->resp[0] = (s->id >>  0) & 0xff;
690         break;
691 
692     default:
693     bad_cmd:
694         qemu_log_mask(LOG_GUEST_ERROR,
695                       "%s: unknown command 0x%02x\n", __func__, s->cmd);
696         break;
697     }
698 
699     return ret;
700 }
701 
702 static void *mipid_init(void)
703 {
704     struct mipid_s *s = (struct mipid_s *) g_malloc0(sizeof(*s));
705 
706     s->id = 0x838f03;
707     mipid_reset(s);
708 
709     return s;
710 }
711 
712 static void n8x0_spi_setup(struct n800_s *s)
713 {
714     void *tsc = s->ts.opaque;
715     void *mipid = mipid_init();
716 
717     omap_mcspi_attach(s->mpu->mcspi[0], s->ts.txrx, tsc, 0);
718     omap_mcspi_attach(s->mpu->mcspi[0], mipid_txrx, mipid, 1);
719 }
720 
721 /* This task is normally performed by the bootloader.  If we're loading
722  * a kernel directly, we need to enable the Blizzard ourselves.  */
723 static void n800_dss_init(struct rfbi_chip_s *chip)
724 {
725     uint8_t *fb_blank;
726 
727     chip->write(chip->opaque, 0, 0x2a);		/* LCD Width register */
728     chip->write(chip->opaque, 1, 0x64);
729     chip->write(chip->opaque, 0, 0x2c);		/* LCD HNDP register */
730     chip->write(chip->opaque, 1, 0x1e);
731     chip->write(chip->opaque, 0, 0x2e);		/* LCD Height 0 register */
732     chip->write(chip->opaque, 1, 0xe0);
733     chip->write(chip->opaque, 0, 0x30);		/* LCD Height 1 register */
734     chip->write(chip->opaque, 1, 0x01);
735     chip->write(chip->opaque, 0, 0x32);		/* LCD VNDP register */
736     chip->write(chip->opaque, 1, 0x06);
737     chip->write(chip->opaque, 0, 0x68);		/* Display Mode register */
738     chip->write(chip->opaque, 1, 1);		/* Enable bit */
739 
740     chip->write(chip->opaque, 0, 0x6c);
741     chip->write(chip->opaque, 1, 0x00);		/* Input X Start Position */
742     chip->write(chip->opaque, 1, 0x00);		/* Input X Start Position */
743     chip->write(chip->opaque, 1, 0x00);		/* Input Y Start Position */
744     chip->write(chip->opaque, 1, 0x00);		/* Input Y Start Position */
745     chip->write(chip->opaque, 1, 0x1f);		/* Input X End Position */
746     chip->write(chip->opaque, 1, 0x03);		/* Input X End Position */
747     chip->write(chip->opaque, 1, 0xdf);		/* Input Y End Position */
748     chip->write(chip->opaque, 1, 0x01);		/* Input Y End Position */
749     chip->write(chip->opaque, 1, 0x00);		/* Output X Start Position */
750     chip->write(chip->opaque, 1, 0x00);		/* Output X Start Position */
751     chip->write(chip->opaque, 1, 0x00);		/* Output Y Start Position */
752     chip->write(chip->opaque, 1, 0x00);		/* Output Y Start Position */
753     chip->write(chip->opaque, 1, 0x1f);		/* Output X End Position */
754     chip->write(chip->opaque, 1, 0x03);		/* Output X End Position */
755     chip->write(chip->opaque, 1, 0xdf);		/* Output Y End Position */
756     chip->write(chip->opaque, 1, 0x01);		/* Output Y End Position */
757     chip->write(chip->opaque, 1, 0x01);		/* Input Data Format */
758     chip->write(chip->opaque, 1, 0x01);		/* Data Source Select */
759 
760     fb_blank = memset(g_malloc(800 * 480 * 2), 0xff, 800 * 480 * 2);
761     /* Display Memory Data Port */
762     chip->block(chip->opaque, 1, fb_blank, 800 * 480 * 2, 800);
763     g_free(fb_blank);
764 }
765 
766 static void n8x0_dss_setup(struct n800_s *s)
767 {
768     s->blizzard.opaque = s1d13745_init(NULL);
769     s->blizzard.block = s1d13745_write_block;
770     s->blizzard.write = s1d13745_write;
771     s->blizzard.read = s1d13745_read;
772 
773     omap_rfbi_attach(s->mpu->dss, 0, &s->blizzard);
774 }
775 
776 static void n8x0_cbus_setup(struct n800_s *s)
777 {
778     qemu_irq dat_out = qdev_get_gpio_in(s->mpu->gpio, N8X0_CBUS_DAT_GPIO);
779     qemu_irq retu_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_RETU_GPIO);
780     qemu_irq tahvo_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_TAHVO_GPIO);
781 
782     CBus *cbus = cbus_init(dat_out);
783 
784     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_CLK_GPIO, cbus->clk);
785     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_DAT_GPIO, cbus->dat);
786     qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_SEL_GPIO, cbus->sel);
787 
788     cbus_attach(cbus, s->retu = retu_init(retu_irq, 1));
789     cbus_attach(cbus, s->tahvo = tahvo_init(tahvo_irq, 1));
790 }
791 
792 static void n8x0_usb_setup(struct n800_s *s)
793 {
794     SysBusDevice *dev;
795     s->usb = qdev_new("tusb6010");
796     dev = SYS_BUS_DEVICE(s->usb);
797     sysbus_realize_and_unref(dev, &error_fatal);
798     sysbus_connect_irq(dev, 0,
799                        qdev_get_gpio_in(s->mpu->gpio, N8X0_TUSB_INT_GPIO));
800     /* Using the NOR interface */
801     omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_ASYNC_CS,
802                      sysbus_mmio_get_region(dev, 0));
803     omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_SYNC_CS,
804                      sysbus_mmio_get_region(dev, 1));
805     qdev_connect_gpio_out(s->mpu->gpio, N8X0_TUSB_ENABLE_GPIO,
806                           qdev_get_gpio_in(s->usb, 0)); /* tusb_pwr */
807 }
808 
809 /* Setup done before the main bootloader starts by some early setup code
810  * - used when we want to run the main bootloader in emulation.  This
811  * isn't documented.  */
812 static uint32_t n800_pinout[104] = {
813     0x080f00d8, 0x00d40808, 0x03080808, 0x080800d0,
814     0x00dc0808, 0x0b0f0f00, 0x080800b4, 0x00c00808,
815     0x08080808, 0x180800c4, 0x00b80000, 0x08080808,
816     0x080800bc, 0x00cc0808, 0x08081818, 0x18180128,
817     0x01241800, 0x18181818, 0x000000f0, 0x01300000,
818     0x00001b0b, 0x1b0f0138, 0x00e0181b, 0x1b031b0b,
819     0x180f0078, 0x00740018, 0x0f0f0f1a, 0x00000080,
820     0x007c0000, 0x00000000, 0x00000088, 0x00840000,
821     0x00000000, 0x00000094, 0x00980300, 0x0f180003,
822     0x0000008c, 0x00900f0f, 0x0f0f1b00, 0x0f00009c,
823     0x01140000, 0x1b1b0f18, 0x0818013c, 0x01400008,
824     0x00001818, 0x000b0110, 0x010c1800, 0x0b030b0f,
825     0x181800f4, 0x00f81818, 0x00000018, 0x000000fc,
826     0x00401808, 0x00000000, 0x0f1b0030, 0x003c0008,
827     0x00000000, 0x00000038, 0x00340000, 0x00000000,
828     0x1a080070, 0x00641a1a, 0x08080808, 0x08080060,
829     0x005c0808, 0x08080808, 0x08080058, 0x00540808,
830     0x08080808, 0x0808006c, 0x00680808, 0x08080808,
831     0x000000a8, 0x00b00000, 0x08080808, 0x000000a0,
832     0x00a40000, 0x00000000, 0x08ff0050, 0x004c0808,
833     0xffffffff, 0xffff0048, 0x0044ffff, 0xffffffff,
834     0x000000ac, 0x01040800, 0x08080b0f, 0x18180100,
835     0x01081818, 0x0b0b1808, 0x1a0300e4, 0x012c0b1a,
836     0x02020018, 0x0b000134, 0x011c0800, 0x0b1b1b00,
837     0x0f0000c8, 0x00ec181b, 0x000f0f02, 0x00180118,
838     0x01200000, 0x0f0b1b1b, 0x0f0200e8, 0x0000020b,
839 };
840 
841 static void n800_setup_nolo_tags(void *sram_base)
842 {
843     int i;
844     uint32_t *p = sram_base + 0x8000;
845     uint32_t *v = sram_base + 0xa000;
846 
847     memset(p, 0, 0x3000);
848 
849     strcpy((void *) (p + 0), "QEMU N800");
850 
851     strcpy((void *) (p + 8), "F5");
852 
853     stl_p(p + 10, 0x04f70000);
854     strcpy((void *) (p + 9), "RX-34");
855 
856     /* RAM size in MB? */
857     stl_p(p + 12, 0x80);
858 
859     /* Pointer to the list of tags */
860     stl_p(p + 13, OMAP2_SRAM_BASE + 0x9000);
861 
862     /* The NOLO tags start here */
863     p = sram_base + 0x9000;
864 #define ADD_TAG(tag, len)				\
865     stw_p((uint16_t *) p + 0, tag);			\
866     stw_p((uint16_t *) p + 1, len); p++;		\
867     stl_p(p++, OMAP2_SRAM_BASE | (((void *) v - sram_base) & 0xffff));
868 
869     /* OMAP STI console? Pin out settings? */
870     ADD_TAG(0x6e01, 414);
871     for (i = 0; i < ARRAY_SIZE(n800_pinout); i++) {
872         stl_p(v++, n800_pinout[i]);
873     }
874 
875     /* Kernel memsize? */
876     ADD_TAG(0x6e05, 1);
877     stl_p(v++, 2);
878 
879     /* NOLO serial console */
880     ADD_TAG(0x6e02, 4);
881     stl_p(v++, XLDR_LL_UART);		/* UART number (1 - 3) */
882 
883 #if 0
884     /* CBUS settings (Retu/AVilma) */
885     ADD_TAG(0x6e03, 6);
886     stw_p((uint16_t *) v + 0, 65);	/* CBUS GPIO0 */
887     stw_p((uint16_t *) v + 1, 66);	/* CBUS GPIO1 */
888     stw_p((uint16_t *) v + 2, 64);	/* CBUS GPIO2 */
889     v += 2;
890 #endif
891 
892     /* Nokia ASIC BB5 (Retu/Tahvo) */
893     ADD_TAG(0x6e0a, 4);
894     stw_p((uint16_t *) v + 0, 111);	/* "Retu" interrupt GPIO */
895     stw_p((uint16_t *) v + 1, 108);	/* "Tahvo" interrupt GPIO */
896     v++;
897 
898     /* LCD console? */
899     ADD_TAG(0x6e04, 4);
900     stw_p((uint16_t *) v + 0, 30);	/* ??? */
901     stw_p((uint16_t *) v + 1, 24);	/* ??? */
902     v++;
903 
904 #if 0
905     /* LCD settings */
906     ADD_TAG(0x6e06, 2);
907     stw_p((uint16_t *) (v++), 15);	/* ??? */
908 #endif
909 
910     /* I^2C (Menelaus) */
911     ADD_TAG(0x6e07, 4);
912     stl_p(v++, 0x00720000);		/* ??? */
913 
914     /* Unknown */
915     ADD_TAG(0x6e0b, 6);
916     stw_p((uint16_t *) v + 0, 94);	/* ??? */
917     stw_p((uint16_t *) v + 1, 23);	/* ??? */
918     stw_p((uint16_t *) v + 2, 0);	/* ??? */
919     v += 2;
920 
921     /* OMAP gpio switch info */
922     ADD_TAG(0x6e0c, 80);
923     strcpy((void *) v, "bat_cover");	v += 3;
924     stw_p((uint16_t *) v + 0, 110);	/* GPIO num ??? */
925     stw_p((uint16_t *) v + 1, 1);	/* GPIO num ??? */
926     v += 2;
927     strcpy((void *) v, "cam_act");	v += 3;
928     stw_p((uint16_t *) v + 0, 95);	/* GPIO num ??? */
929     stw_p((uint16_t *) v + 1, 32);	/* GPIO num ??? */
930     v += 2;
931     strcpy((void *) v, "cam_turn");	v += 3;
932     stw_p((uint16_t *) v + 0, 12);	/* GPIO num ??? */
933     stw_p((uint16_t *) v + 1, 33);	/* GPIO num ??? */
934     v += 2;
935     strcpy((void *) v, "headphone");	v += 3;
936     stw_p((uint16_t *) v + 0, 107);	/* GPIO num ??? */
937     stw_p((uint16_t *) v + 1, 17);	/* GPIO num ??? */
938     v += 2;
939 
940     /* Bluetooth */
941     ADD_TAG(0x6e0e, 12);
942     stl_p(v++, 0x5c623d01);		/* ??? */
943     stl_p(v++, 0x00000201);		/* ??? */
944     stl_p(v++, 0x00000000);		/* ??? */
945 
946     /* CX3110x WLAN settings */
947     ADD_TAG(0x6e0f, 8);
948     stl_p(v++, 0x00610025);		/* ??? */
949     stl_p(v++, 0xffff0057);		/* ??? */
950 
951     /* MMC host settings */
952     ADD_TAG(0x6e10, 12);
953     stl_p(v++, 0xffff000f);		/* ??? */
954     stl_p(v++, 0xffffffff);		/* ??? */
955     stl_p(v++, 0x00000060);		/* ??? */
956 
957     /* OneNAND chip select */
958     ADD_TAG(0x6e11, 10);
959     stl_p(v++, 0x00000401);		/* ??? */
960     stl_p(v++, 0x0002003a);		/* ??? */
961     stl_p(v++, 0x00000002);		/* ??? */
962 
963     /* TEA5761 sensor settings */
964     ADD_TAG(0x6e12, 2);
965     stl_p(v++, 93);			/* GPIO num ??? */
966 
967 #if 0
968     /* Unknown tag */
969     ADD_TAG(6e09, 0);
970 
971     /* Kernel UART / console */
972     ADD_TAG(6e12, 0);
973 #endif
974 
975     /* End of the list */
976     stl_p(p++, 0x00000000);
977     stl_p(p++, 0x00000000);
978 }
979 
980 /* This task is normally performed by the bootloader.  If we're loading
981  * a kernel directly, we need to set up GPMC mappings ourselves.  */
982 static void n800_gpmc_init(struct n800_s *s)
983 {
984     uint32_t config7 =
985             (0xf << 8) |	/* MASKADDRESS */
986             (1 << 6) |		/* CSVALID */
987             (4 << 0);		/* BASEADDRESS */
988 
989     cpu_physical_memory_write(0x6800a078,		/* GPMC_CONFIG7_0 */
990                               &config7, sizeof(config7));
991 }
992 
993 /* Setup sequence done by the bootloader */
994 static void n8x0_boot_init(void *opaque)
995 {
996     struct n800_s *s = (struct n800_s *) opaque;
997     uint32_t buf;
998 
999     /* PRCM setup */
1000 #define omap_writel(addr, val)	\
1001     buf = (val);			\
1002     cpu_physical_memory_write(addr, &buf, sizeof(buf))
1003 
1004     omap_writel(0x48008060, 0x41);		/* PRCM_CLKSRC_CTRL */
1005     omap_writel(0x48008070, 1);			/* PRCM_CLKOUT_CTRL */
1006     omap_writel(0x48008078, 0);			/* PRCM_CLKEMUL_CTRL */
1007     omap_writel(0x48008090, 0);			/* PRCM_VOLTSETUP */
1008     omap_writel(0x48008094, 0);			/* PRCM_CLKSSETUP */
1009     omap_writel(0x48008098, 0);			/* PRCM_POLCTRL */
1010     omap_writel(0x48008140, 2);			/* CM_CLKSEL_MPU */
1011     omap_writel(0x48008148, 0);			/* CM_CLKSTCTRL_MPU */
1012     omap_writel(0x48008158, 1);			/* RM_RSTST_MPU */
1013     omap_writel(0x480081c8, 0x15);		/* PM_WKDEP_MPU */
1014     omap_writel(0x480081d4, 0x1d4);		/* PM_EVGENCTRL_MPU */
1015     omap_writel(0x480081d8, 0);			/* PM_EVEGENONTIM_MPU */
1016     omap_writel(0x480081dc, 0);			/* PM_EVEGENOFFTIM_MPU */
1017     omap_writel(0x480081e0, 0xc);		/* PM_PWSTCTRL_MPU */
1018     omap_writel(0x48008200, 0x047e7ff7);	/* CM_FCLKEN1_CORE */
1019     omap_writel(0x48008204, 0x00000004);	/* CM_FCLKEN2_CORE */
1020     omap_writel(0x48008210, 0x047e7ff1);	/* CM_ICLKEN1_CORE */
1021     omap_writel(0x48008214, 0x00000004);	/* CM_ICLKEN2_CORE */
1022     omap_writel(0x4800821c, 0x00000000);	/* CM_ICLKEN4_CORE */
1023     omap_writel(0x48008230, 0);			/* CM_AUTOIDLE1_CORE */
1024     omap_writel(0x48008234, 0);			/* CM_AUTOIDLE2_CORE */
1025     omap_writel(0x48008238, 7);			/* CM_AUTOIDLE3_CORE */
1026     omap_writel(0x4800823c, 0);			/* CM_AUTOIDLE4_CORE */
1027     omap_writel(0x48008240, 0x04360626);	/* CM_CLKSEL1_CORE */
1028     omap_writel(0x48008244, 0x00000014);	/* CM_CLKSEL2_CORE */
1029     omap_writel(0x48008248, 0);			/* CM_CLKSTCTRL_CORE */
1030     omap_writel(0x48008300, 0x00000000);	/* CM_FCLKEN_GFX */
1031     omap_writel(0x48008310, 0x00000000);	/* CM_ICLKEN_GFX */
1032     omap_writel(0x48008340, 0x00000001);	/* CM_CLKSEL_GFX */
1033     omap_writel(0x48008400, 0x00000004);	/* CM_FCLKEN_WKUP */
1034     omap_writel(0x48008410, 0x00000004);	/* CM_ICLKEN_WKUP */
1035     omap_writel(0x48008440, 0x00000000);	/* CM_CLKSEL_WKUP */
1036     omap_writel(0x48008500, 0x000000cf);	/* CM_CLKEN_PLL */
1037     omap_writel(0x48008530, 0x0000000c);	/* CM_AUTOIDLE_PLL */
1038     omap_writel(0x48008540,			/* CM_CLKSEL1_PLL */
1039                     (0x78 << 12) | (6 << 8));
1040     omap_writel(0x48008544, 2);			/* CM_CLKSEL2_PLL */
1041 
1042     /* GPMC setup */
1043     n800_gpmc_init(s);
1044 
1045     /* Video setup */
1046     n800_dss_init(&s->blizzard);
1047 
1048     /* CPU setup */
1049     s->mpu->cpu->env.GE = 0x5;
1050 
1051     /* If the machine has a slided keyboard, open it */
1052     if (s->kbd) {
1053         qemu_irq_raise(qdev_get_gpio_in(s->mpu->gpio, N810_SLIDE_GPIO));
1054     }
1055 }
1056 
1057 #define OMAP_TAG_NOKIA_BT	0x4e01
1058 #define OMAP_TAG_WLAN_CX3110X	0x4e02
1059 #define OMAP_TAG_CBUS		0x4e03
1060 #define OMAP_TAG_EM_ASIC_BB5	0x4e04
1061 
1062 static struct omap_gpiosw_info_s {
1063     const char *name;
1064     int line;
1065     int type;
1066 } n800_gpiosw_info[] = {
1067     {
1068         "bat_cover", N800_BAT_COVER_GPIO,
1069         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1070     }, {
1071         "cam_act", N800_CAM_ACT_GPIO,
1072         OMAP_GPIOSW_TYPE_ACTIVITY,
1073     }, {
1074         "cam_turn", N800_CAM_TURN_GPIO,
1075         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_INVERTED,
1076     }, {
1077         "headphone", N8X0_HEADPHONE_GPIO,
1078         OMAP_GPIOSW_TYPE_CONNECTION | OMAP_GPIOSW_INVERTED,
1079     },
1080     { NULL }
1081 }, n810_gpiosw_info[] = {
1082     {
1083         "gps_reset", N810_GPS_RESET_GPIO,
1084         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_OUTPUT,
1085     }, {
1086         "gps_wakeup", N810_GPS_WAKEUP_GPIO,
1087         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_OUTPUT,
1088     }, {
1089         "headphone", N8X0_HEADPHONE_GPIO,
1090         OMAP_GPIOSW_TYPE_CONNECTION | OMAP_GPIOSW_INVERTED,
1091     }, {
1092         "kb_lock", N810_KB_LOCK_GPIO,
1093         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1094     }, {
1095         "sleepx_led", N810_SLEEPX_LED_GPIO,
1096         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_INVERTED | OMAP_GPIOSW_OUTPUT,
1097     }, {
1098         "slide", N810_SLIDE_GPIO,
1099         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1100     },
1101     { NULL }
1102 };
1103 
1104 static struct omap_partition_info_s {
1105     uint32_t offset;
1106     uint32_t size;
1107     int mask;
1108     const char *name;
1109 } n800_part_info[] = {
1110     { 0x00000000, 0x00020000, 0x3, "bootloader" },
1111     { 0x00020000, 0x00060000, 0x0, "config" },
1112     { 0x00080000, 0x00200000, 0x0, "kernel" },
1113     { 0x00280000, 0x00200000, 0x3, "initfs" },
1114     { 0x00480000, 0x0fb80000, 0x3, "rootfs" },
1115 
1116     { 0, 0, 0, NULL }
1117 }, n810_part_info[] = {
1118     { 0x00000000, 0x00020000, 0x3, "bootloader" },
1119     { 0x00020000, 0x00060000, 0x0, "config" },
1120     { 0x00080000, 0x00220000, 0x0, "kernel" },
1121     { 0x002a0000, 0x00400000, 0x0, "initfs" },
1122     { 0x006a0000, 0x0f960000, 0x0, "rootfs" },
1123 
1124     { 0, 0, 0, NULL }
1125 };
1126 
1127 static uint8_t n8x0_bd_addr[6] = { N8X0_BD_ADDR };
1128 
1129 static int n8x0_atag_setup(void *p, int model)
1130 {
1131     uint8_t *b;
1132     uint16_t *w;
1133     uint32_t *l;
1134     struct omap_gpiosw_info_s *gpiosw;
1135     struct omap_partition_info_s *partition;
1136     const char *tag;
1137 
1138     w = p;
1139 
1140     stw_p(w++, OMAP_TAG_UART);			/* u16 tag */
1141     stw_p(w++, 4);				/* u16 len */
1142     stw_p(w++, (1 << 2) | (1 << 1) | (1 << 0)); /* uint enabled_uarts */
1143     w++;
1144 
1145 #if 0
1146     stw_p(w++, OMAP_TAG_SERIAL_CONSOLE);	/* u16 tag */
1147     stw_p(w++, 4);				/* u16 len */
1148     stw_p(w++, XLDR_LL_UART + 1);		/* u8 console_uart */
1149     stw_p(w++, 115200);				/* u32 console_speed */
1150 #endif
1151 
1152     stw_p(w++, OMAP_TAG_LCD);			/* u16 tag */
1153     stw_p(w++, 36);				/* u16 len */
1154     strcpy((void *) w, "QEMU LCD panel");	/* char panel_name[16] */
1155     w += 8;
1156     strcpy((void *) w, "blizzard");		/* char ctrl_name[16] */
1157     w += 8;
1158     stw_p(w++, N810_BLIZZARD_RESET_GPIO);	/* TODO: n800 s16 nreset_gpio */
1159     stw_p(w++, 24);				/* u8 data_lines */
1160 
1161     stw_p(w++, OMAP_TAG_CBUS);			/* u16 tag */
1162     stw_p(w++, 8);				/* u16 len */
1163     stw_p(w++, N8X0_CBUS_CLK_GPIO);		/* s16 clk_gpio */
1164     stw_p(w++, N8X0_CBUS_DAT_GPIO);		/* s16 dat_gpio */
1165     stw_p(w++, N8X0_CBUS_SEL_GPIO);		/* s16 sel_gpio */
1166     w++;
1167 
1168     stw_p(w++, OMAP_TAG_EM_ASIC_BB5);		/* u16 tag */
1169     stw_p(w++, 4);				/* u16 len */
1170     stw_p(w++, N8X0_RETU_GPIO);			/* s16 retu_irq_gpio */
1171     stw_p(w++, N8X0_TAHVO_GPIO);		/* s16 tahvo_irq_gpio */
1172 
1173     gpiosw = (model == 810) ? n810_gpiosw_info : n800_gpiosw_info;
1174     for (; gpiosw->name; gpiosw++) {
1175         stw_p(w++, OMAP_TAG_GPIO_SWITCH);	/* u16 tag */
1176         stw_p(w++, 20);				/* u16 len */
1177         strcpy((void *) w, gpiosw->name);	/* char name[12] */
1178         w += 6;
1179         stw_p(w++, gpiosw->line);		/* u16 gpio */
1180         stw_p(w++, gpiosw->type);
1181         stw_p(w++, 0);
1182         stw_p(w++, 0);
1183     }
1184 
1185     stw_p(w++, OMAP_TAG_NOKIA_BT);		/* u16 tag */
1186     stw_p(w++, 12);				/* u16 len */
1187     b = (void *) w;
1188     stb_p(b++, 0x01);				/* u8 chip_type	(CSR) */
1189     stb_p(b++, N8X0_BT_WKUP_GPIO);		/* u8 bt_wakeup_gpio */
1190     stb_p(b++, N8X0_BT_HOST_WKUP_GPIO);		/* u8 host_wakeup_gpio */
1191     stb_p(b++, N8X0_BT_RESET_GPIO);		/* u8 reset_gpio */
1192     stb_p(b++, BT_UART + 1);			/* u8 bt_uart */
1193     memcpy(b, &n8x0_bd_addr, 6);		/* u8 bd_addr[6] */
1194     b += 6;
1195     stb_p(b++, 0x02);				/* u8 bt_sysclk (38.4) */
1196     w = (void *) b;
1197 
1198     stw_p(w++, OMAP_TAG_WLAN_CX3110X);		/* u16 tag */
1199     stw_p(w++, 8);				/* u16 len */
1200     stw_p(w++, 0x25);				/* u8 chip_type */
1201     stw_p(w++, N8X0_WLAN_PWR_GPIO);		/* s16 power_gpio */
1202     stw_p(w++, N8X0_WLAN_IRQ_GPIO);		/* s16 irq_gpio */
1203     stw_p(w++, -1);				/* s16 spi_cs_gpio */
1204 
1205     stw_p(w++, OMAP_TAG_MMC);			/* u16 tag */
1206     stw_p(w++, 16);				/* u16 len */
1207     if (model == 810) {
1208         stw_p(w++, 0x23f);			/* unsigned flags */
1209         stw_p(w++, -1);				/* s16 power_pin */
1210         stw_p(w++, -1);				/* s16 switch_pin */
1211         stw_p(w++, -1);				/* s16 wp_pin */
1212         stw_p(w++, 0x240);			/* unsigned flags */
1213         stw_p(w++, 0xc000);			/* s16 power_pin */
1214         stw_p(w++, 0x0248);			/* s16 switch_pin */
1215         stw_p(w++, 0xc000);			/* s16 wp_pin */
1216     } else {
1217         stw_p(w++, 0xf);			/* unsigned flags */
1218         stw_p(w++, -1);				/* s16 power_pin */
1219         stw_p(w++, -1);				/* s16 switch_pin */
1220         stw_p(w++, -1);				/* s16 wp_pin */
1221         stw_p(w++, 0);				/* unsigned flags */
1222         stw_p(w++, 0);				/* s16 power_pin */
1223         stw_p(w++, 0);				/* s16 switch_pin */
1224         stw_p(w++, 0);				/* s16 wp_pin */
1225     }
1226 
1227     stw_p(w++, OMAP_TAG_TEA5761);		/* u16 tag */
1228     stw_p(w++, 4);				/* u16 len */
1229     stw_p(w++, N8X0_TEA5761_CS_GPIO);		/* u16 enable_gpio */
1230     w++;
1231 
1232     partition = (model == 810) ? n810_part_info : n800_part_info;
1233     for (; partition->name; partition++) {
1234         stw_p(w++, OMAP_TAG_PARTITION);		/* u16 tag */
1235         stw_p(w++, 28);				/* u16 len */
1236         strcpy((void *) w, partition->name);	/* char name[16] */
1237         l = (void *) (w + 8);
1238         stl_p(l++, partition->size);		/* unsigned int size */
1239         stl_p(l++, partition->offset);		/* unsigned int offset */
1240         stl_p(l++, partition->mask);		/* unsigned int mask_flags */
1241         w = (void *) l;
1242     }
1243 
1244     stw_p(w++, OMAP_TAG_BOOT_REASON);		/* u16 tag */
1245     stw_p(w++, 12);				/* u16 len */
1246 #if 0
1247     strcpy((void *) w, "por");			/* char reason_str[12] */
1248     strcpy((void *) w, "charger");		/* char reason_str[12] */
1249     strcpy((void *) w, "32wd_to");		/* char reason_str[12] */
1250     strcpy((void *) w, "sw_rst");		/* char reason_str[12] */
1251     strcpy((void *) w, "mbus");			/* char reason_str[12] */
1252     strcpy((void *) w, "unknown");		/* char reason_str[12] */
1253     strcpy((void *) w, "swdg_to");		/* char reason_str[12] */
1254     strcpy((void *) w, "sec_vio");		/* char reason_str[12] */
1255     strcpy((void *) w, "pwr_key");		/* char reason_str[12] */
1256     strcpy((void *) w, "rtc_alarm");		/* char reason_str[12] */
1257 #else
1258     strcpy((void *) w, "pwr_key");		/* char reason_str[12] */
1259 #endif
1260     w += 6;
1261 
1262     tag = (model == 810) ? "RX-44" : "RX-34";
1263     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1264     stw_p(w++, 24);				/* u16 len */
1265     strcpy((void *) w, "product");		/* char component[12] */
1266     w += 6;
1267     strcpy((void *) w, tag);			/* char version[12] */
1268     w += 6;
1269 
1270     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1271     stw_p(w++, 24);				/* u16 len */
1272     strcpy((void *) w, "hw-build");		/* char component[12] */
1273     w += 6;
1274     strcpy((void *) w, "QEMU ");
1275     pstrcat((void *) w, 12, qemu_hw_version()); /* char version[12] */
1276     w += 6;
1277 
1278     tag = (model == 810) ? "1.1.10-qemu" : "1.1.6-qemu";
1279     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1280     stw_p(w++, 24);				/* u16 len */
1281     strcpy((void *) w, "nolo");			/* char component[12] */
1282     w += 6;
1283     strcpy((void *) w, tag);			/* char version[12] */
1284     w += 6;
1285 
1286     return (void *) w - p;
1287 }
1288 
1289 static int n800_atag_setup(const struct arm_boot_info *info, void *p)
1290 {
1291     return n8x0_atag_setup(p, 800);
1292 }
1293 
1294 static int n810_atag_setup(const struct arm_boot_info *info, void *p)
1295 {
1296     return n8x0_atag_setup(p, 810);
1297 }
1298 
1299 static void n8x0_init(MachineState *machine,
1300                       struct arm_boot_info *binfo, int model)
1301 {
1302     struct n800_s *s = (struct n800_s *) g_malloc0(sizeof(*s));
1303     MachineClass *mc = MACHINE_GET_CLASS(machine);
1304 
1305     if (machine->ram_size != mc->default_ram_size) {
1306         char *sz = size_to_str(mc->default_ram_size);
1307         error_report("Invalid RAM size, should be %s", sz);
1308         g_free(sz);
1309         exit(EXIT_FAILURE);
1310     }
1311     binfo->ram_size = machine->ram_size;
1312 
1313     memory_region_add_subregion(get_system_memory(), OMAP2_Q2_BASE,
1314                                 machine->ram);
1315 
1316     s->mpu = omap2420_mpu_init(machine->ram, 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     if (machine_usb(machine)) {
1356         n8x0_usb_setup(s);
1357     }
1358 
1359     if (machine->kernel_filename) {
1360         /* Or at the linux loader.  */
1361         arm_load_kernel(s->mpu->cpu, machine, binfo);
1362 
1363         qemu_register_reset(n8x0_boot_init, s);
1364     }
1365 
1366     if (option_rom[0].name &&
1367         (machine->boot_order[0] == 'n' || !machine->kernel_filename)) {
1368         uint8_t *nolo_tags = g_new(uint8_t, 0x10000);
1369         /* No, wait, better start at the ROM.  */
1370         s->mpu->cpu->env.regs[15] = OMAP2_Q2_BASE + 0x400000;
1371 
1372         /*
1373          * This is intended for loading the `secondary.bin' program from
1374          * Nokia images (the NOLO bootloader).  The entry point seems
1375          * to be at OMAP2_Q2_BASE + 0x400000.
1376          *
1377          * The `2nd.bin' files contain some kind of earlier boot code and
1378          * for them the entry point needs to be set to OMAP2_SRAM_BASE.
1379          *
1380          * The code above is for loading the `zImage' file from Nokia
1381          * images.
1382          */
1383         if (load_image_targphys(option_rom[0].name,
1384                                 OMAP2_Q2_BASE + 0x400000,
1385                                 machine->ram_size - 0x400000) < 0) {
1386             error_report("Failed to load secondary bootloader %s",
1387                          option_rom[0].name);
1388             exit(EXIT_FAILURE);
1389         }
1390 
1391         n800_setup_nolo_tags(nolo_tags);
1392         cpu_physical_memory_write(OMAP2_SRAM_BASE, nolo_tags, 0x10000);
1393         g_free(nolo_tags);
1394     }
1395 }
1396 
1397 static struct arm_boot_info n800_binfo = {
1398     .loader_start = OMAP2_Q2_BASE,
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     /* 0x60c and 0x6bf (WiMAX Edition) have been assigned but are not
1406      * used by some older versions of the bootloader and 5555 is used
1407      * instead (including versions that shipped with many devices).  */
1408     .board_id = 0x60c,
1409     .atag_board = n810_atag_setup,
1410 };
1411 
1412 static void n800_init(MachineState *machine)
1413 {
1414     n8x0_init(machine, &n800_binfo, 800);
1415 }
1416 
1417 static void n810_init(MachineState *machine)
1418 {
1419     n8x0_init(machine, &n810_binfo, 810);
1420 }
1421 
1422 static void n800_class_init(ObjectClass *oc, void *data)
1423 {
1424     MachineClass *mc = MACHINE_CLASS(oc);
1425 
1426     mc->desc = "Nokia N800 tablet aka. RX-34 (OMAP2420)";
1427     mc->init = n800_init;
1428     mc->default_boot_order = "";
1429     mc->ignore_memory_transaction_failures = true;
1430     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1136-r2");
1431     /* Actually two chips of 0x4000000 bytes each */
1432     mc->default_ram_size = 0x08000000;
1433     mc->default_ram_id = "omap2.dram";
1434 }
1435 
1436 static const TypeInfo n800_type = {
1437     .name = MACHINE_TYPE_NAME("n800"),
1438     .parent = TYPE_MACHINE,
1439     .class_init = n800_class_init,
1440 };
1441 
1442 static void n810_class_init(ObjectClass *oc, void *data)
1443 {
1444     MachineClass *mc = MACHINE_CLASS(oc);
1445 
1446     mc->desc = "Nokia N810 tablet aka. RX-44 (OMAP2420)";
1447     mc->init = n810_init;
1448     mc->default_boot_order = "";
1449     mc->ignore_memory_transaction_failures = true;
1450     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1136-r2");
1451     /* Actually two chips of 0x4000000 bytes each */
1452     mc->default_ram_size = 0x08000000;
1453     mc->default_ram_id = "omap2.dram";
1454 }
1455 
1456 static const TypeInfo n810_type = {
1457     .name = MACHINE_TYPE_NAME("n810"),
1458     .parent = TYPE_MACHINE,
1459     .class_init = n810_class_init,
1460 };
1461 
1462 static void nseries_machine_init(void)
1463 {
1464     type_register_static(&n800_type);
1465     type_register_static(&n810_type);
1466 }
1467 
1468 type_init(nseries_machine_init)
1469