xref: /openbmc/qemu/hw/arm/nseries.c (revision ccb23709)
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/tsc2xxx.h"
38 #include "hw/misc/cbus.h"
39 #include "hw/misc/tmp105.h"
40 #include "hw/qdev-properties.h"
41 #include "hw/block/flash.h"
42 #include "hw/hw.h"
43 #include "hw/loader.h"
44 #include "hw/sysbus.h"
45 #include "qemu/log.h"
46 #include "exec/address-spaces.h"
47 
48 /* Nokia N8x0 support */
49 struct n800_s {
50     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 = i2c_create_slave(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 = i2c_create_slave(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 = i2c_create_slave(omap_i2c_bus(s->mpu->i2c[0]),
420                            "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 %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_uart_setup(struct n800_s *s)
793 {
794     Chardev *radio = qemu_chr_new("bt-dummy-uart", "null", NULL);
795     /*
796      * Note: We used to connect N8X0_BT_RESET_GPIO and N8X0_BT_WKUP_GPIO
797      * here, but this code has been removed with the bluetooth backend.
798      */
799     omap_uart_attach(s->mpu->uart[BT_UART], radio);
800 }
801 
802 static void n8x0_usb_setup(struct n800_s *s)
803 {
804     SysBusDevice *dev;
805     s->usb = qdev_new("tusb6010");
806     dev = SYS_BUS_DEVICE(s->usb);
807     sysbus_realize_and_unref(dev, &error_fatal);
808     sysbus_connect_irq(dev, 0,
809                        qdev_get_gpio_in(s->mpu->gpio, N8X0_TUSB_INT_GPIO));
810     /* Using the NOR interface */
811     omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_ASYNC_CS,
812                      sysbus_mmio_get_region(dev, 0));
813     omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_SYNC_CS,
814                      sysbus_mmio_get_region(dev, 1));
815     qdev_connect_gpio_out(s->mpu->gpio, N8X0_TUSB_ENABLE_GPIO,
816                           qdev_get_gpio_in(s->usb, 0)); /* tusb_pwr */
817 }
818 
819 /* Setup done before the main bootloader starts by some early setup code
820  * - used when we want to run the main bootloader in emulation.  This
821  * isn't documented.  */
822 static uint32_t n800_pinout[104] = {
823     0x080f00d8, 0x00d40808, 0x03080808, 0x080800d0,
824     0x00dc0808, 0x0b0f0f00, 0x080800b4, 0x00c00808,
825     0x08080808, 0x180800c4, 0x00b80000, 0x08080808,
826     0x080800bc, 0x00cc0808, 0x08081818, 0x18180128,
827     0x01241800, 0x18181818, 0x000000f0, 0x01300000,
828     0x00001b0b, 0x1b0f0138, 0x00e0181b, 0x1b031b0b,
829     0x180f0078, 0x00740018, 0x0f0f0f1a, 0x00000080,
830     0x007c0000, 0x00000000, 0x00000088, 0x00840000,
831     0x00000000, 0x00000094, 0x00980300, 0x0f180003,
832     0x0000008c, 0x00900f0f, 0x0f0f1b00, 0x0f00009c,
833     0x01140000, 0x1b1b0f18, 0x0818013c, 0x01400008,
834     0x00001818, 0x000b0110, 0x010c1800, 0x0b030b0f,
835     0x181800f4, 0x00f81818, 0x00000018, 0x000000fc,
836     0x00401808, 0x00000000, 0x0f1b0030, 0x003c0008,
837     0x00000000, 0x00000038, 0x00340000, 0x00000000,
838     0x1a080070, 0x00641a1a, 0x08080808, 0x08080060,
839     0x005c0808, 0x08080808, 0x08080058, 0x00540808,
840     0x08080808, 0x0808006c, 0x00680808, 0x08080808,
841     0x000000a8, 0x00b00000, 0x08080808, 0x000000a0,
842     0x00a40000, 0x00000000, 0x08ff0050, 0x004c0808,
843     0xffffffff, 0xffff0048, 0x0044ffff, 0xffffffff,
844     0x000000ac, 0x01040800, 0x08080b0f, 0x18180100,
845     0x01081818, 0x0b0b1808, 0x1a0300e4, 0x012c0b1a,
846     0x02020018, 0x0b000134, 0x011c0800, 0x0b1b1b00,
847     0x0f0000c8, 0x00ec181b, 0x000f0f02, 0x00180118,
848     0x01200000, 0x0f0b1b1b, 0x0f0200e8, 0x0000020b,
849 };
850 
851 static void n800_setup_nolo_tags(void *sram_base)
852 {
853     int i;
854     uint32_t *p = sram_base + 0x8000;
855     uint32_t *v = sram_base + 0xa000;
856 
857     memset(p, 0, 0x3000);
858 
859     strcpy((void *) (p + 0), "QEMU N800");
860 
861     strcpy((void *) (p + 8), "F5");
862 
863     stl_p(p + 10, 0x04f70000);
864     strcpy((void *) (p + 9), "RX-34");
865 
866     /* RAM size in MB? */
867     stl_p(p + 12, 0x80);
868 
869     /* Pointer to the list of tags */
870     stl_p(p + 13, OMAP2_SRAM_BASE + 0x9000);
871 
872     /* The NOLO tags start here */
873     p = sram_base + 0x9000;
874 #define ADD_TAG(tag, len)				\
875     stw_p((uint16_t *) p + 0, tag);			\
876     stw_p((uint16_t *) p + 1, len); p++;		\
877     stl_p(p++, OMAP2_SRAM_BASE | (((void *) v - sram_base) & 0xffff));
878 
879     /* OMAP STI console? Pin out settings? */
880     ADD_TAG(0x6e01, 414);
881     for (i = 0; i < ARRAY_SIZE(n800_pinout); i++) {
882         stl_p(v++, n800_pinout[i]);
883     }
884 
885     /* Kernel memsize? */
886     ADD_TAG(0x6e05, 1);
887     stl_p(v++, 2);
888 
889     /* NOLO serial console */
890     ADD_TAG(0x6e02, 4);
891     stl_p(v++, XLDR_LL_UART);		/* UART number (1 - 3) */
892 
893 #if 0
894     /* CBUS settings (Retu/AVilma) */
895     ADD_TAG(0x6e03, 6);
896     stw_p((uint16_t *) v + 0, 65);	/* CBUS GPIO0 */
897     stw_p((uint16_t *) v + 1, 66);	/* CBUS GPIO1 */
898     stw_p((uint16_t *) v + 2, 64);	/* CBUS GPIO2 */
899     v += 2;
900 #endif
901 
902     /* Nokia ASIC BB5 (Retu/Tahvo) */
903     ADD_TAG(0x6e0a, 4);
904     stw_p((uint16_t *) v + 0, 111);	/* "Retu" interrupt GPIO */
905     stw_p((uint16_t *) v + 1, 108);	/* "Tahvo" interrupt GPIO */
906     v++;
907 
908     /* LCD console? */
909     ADD_TAG(0x6e04, 4);
910     stw_p((uint16_t *) v + 0, 30);	/* ??? */
911     stw_p((uint16_t *) v + 1, 24);	/* ??? */
912     v++;
913 
914 #if 0
915     /* LCD settings */
916     ADD_TAG(0x6e06, 2);
917     stw_p((uint16_t *) (v++), 15);	/* ??? */
918 #endif
919 
920     /* I^2C (Menelaus) */
921     ADD_TAG(0x6e07, 4);
922     stl_p(v++, 0x00720000);		/* ??? */
923 
924     /* Unknown */
925     ADD_TAG(0x6e0b, 6);
926     stw_p((uint16_t *) v + 0, 94);	/* ??? */
927     stw_p((uint16_t *) v + 1, 23);	/* ??? */
928     stw_p((uint16_t *) v + 2, 0);	/* ??? */
929     v += 2;
930 
931     /* OMAP gpio switch info */
932     ADD_TAG(0x6e0c, 80);
933     strcpy((void *) v, "bat_cover");	v += 3;
934     stw_p((uint16_t *) v + 0, 110);	/* GPIO num ??? */
935     stw_p((uint16_t *) v + 1, 1);	/* GPIO num ??? */
936     v += 2;
937     strcpy((void *) v, "cam_act");	v += 3;
938     stw_p((uint16_t *) v + 0, 95);	/* GPIO num ??? */
939     stw_p((uint16_t *) v + 1, 32);	/* GPIO num ??? */
940     v += 2;
941     strcpy((void *) v, "cam_turn");	v += 3;
942     stw_p((uint16_t *) v + 0, 12);	/* GPIO num ??? */
943     stw_p((uint16_t *) v + 1, 33);	/* GPIO num ??? */
944     v += 2;
945     strcpy((void *) v, "headphone");	v += 3;
946     stw_p((uint16_t *) v + 0, 107);	/* GPIO num ??? */
947     stw_p((uint16_t *) v + 1, 17);	/* GPIO num ??? */
948     v += 2;
949 
950     /* Bluetooth */
951     ADD_TAG(0x6e0e, 12);
952     stl_p(v++, 0x5c623d01);		/* ??? */
953     stl_p(v++, 0x00000201);		/* ??? */
954     stl_p(v++, 0x00000000);		/* ??? */
955 
956     /* CX3110x WLAN settings */
957     ADD_TAG(0x6e0f, 8);
958     stl_p(v++, 0x00610025);		/* ??? */
959     stl_p(v++, 0xffff0057);		/* ??? */
960 
961     /* MMC host settings */
962     ADD_TAG(0x6e10, 12);
963     stl_p(v++, 0xffff000f);		/* ??? */
964     stl_p(v++, 0xffffffff);		/* ??? */
965     stl_p(v++, 0x00000060);		/* ??? */
966 
967     /* OneNAND chip select */
968     ADD_TAG(0x6e11, 10);
969     stl_p(v++, 0x00000401);		/* ??? */
970     stl_p(v++, 0x0002003a);		/* ??? */
971     stl_p(v++, 0x00000002);		/* ??? */
972 
973     /* TEA5761 sensor settings */
974     ADD_TAG(0x6e12, 2);
975     stl_p(v++, 93);			/* GPIO num ??? */
976 
977 #if 0
978     /* Unknown tag */
979     ADD_TAG(6e09, 0);
980 
981     /* Kernel UART / console */
982     ADD_TAG(6e12, 0);
983 #endif
984 
985     /* End of the list */
986     stl_p(p++, 0x00000000);
987     stl_p(p++, 0x00000000);
988 }
989 
990 /* This task is normally performed by the bootloader.  If we're loading
991  * a kernel directly, we need to set up GPMC mappings ourselves.  */
992 static void n800_gpmc_init(struct n800_s *s)
993 {
994     uint32_t config7 =
995             (0xf << 8) |	/* MASKADDRESS */
996             (1 << 6) |		/* CSVALID */
997             (4 << 0);		/* BASEADDRESS */
998 
999     cpu_physical_memory_write(0x6800a078,		/* GPMC_CONFIG7_0 */
1000                               &config7, sizeof(config7));
1001 }
1002 
1003 /* Setup sequence done by the bootloader */
1004 static void n8x0_boot_init(void *opaque)
1005 {
1006     struct n800_s *s = (struct n800_s *) opaque;
1007     uint32_t buf;
1008 
1009     /* PRCM setup */
1010 #define omap_writel(addr, val)	\
1011     buf = (val);			\
1012     cpu_physical_memory_write(addr, &buf, sizeof(buf))
1013 
1014     omap_writel(0x48008060, 0x41);		/* PRCM_CLKSRC_CTRL */
1015     omap_writel(0x48008070, 1);			/* PRCM_CLKOUT_CTRL */
1016     omap_writel(0x48008078, 0);			/* PRCM_CLKEMUL_CTRL */
1017     omap_writel(0x48008090, 0);			/* PRCM_VOLTSETUP */
1018     omap_writel(0x48008094, 0);			/* PRCM_CLKSSETUP */
1019     omap_writel(0x48008098, 0);			/* PRCM_POLCTRL */
1020     omap_writel(0x48008140, 2);			/* CM_CLKSEL_MPU */
1021     omap_writel(0x48008148, 0);			/* CM_CLKSTCTRL_MPU */
1022     omap_writel(0x48008158, 1);			/* RM_RSTST_MPU */
1023     omap_writel(0x480081c8, 0x15);		/* PM_WKDEP_MPU */
1024     omap_writel(0x480081d4, 0x1d4);		/* PM_EVGENCTRL_MPU */
1025     omap_writel(0x480081d8, 0);			/* PM_EVEGENONTIM_MPU */
1026     omap_writel(0x480081dc, 0);			/* PM_EVEGENOFFTIM_MPU */
1027     omap_writel(0x480081e0, 0xc);		/* PM_PWSTCTRL_MPU */
1028     omap_writel(0x48008200, 0x047e7ff7);	/* CM_FCLKEN1_CORE */
1029     omap_writel(0x48008204, 0x00000004);	/* CM_FCLKEN2_CORE */
1030     omap_writel(0x48008210, 0x047e7ff1);	/* CM_ICLKEN1_CORE */
1031     omap_writel(0x48008214, 0x00000004);	/* CM_ICLKEN2_CORE */
1032     omap_writel(0x4800821c, 0x00000000);	/* CM_ICLKEN4_CORE */
1033     omap_writel(0x48008230, 0);			/* CM_AUTOIDLE1_CORE */
1034     omap_writel(0x48008234, 0);			/* CM_AUTOIDLE2_CORE */
1035     omap_writel(0x48008238, 7);			/* CM_AUTOIDLE3_CORE */
1036     omap_writel(0x4800823c, 0);			/* CM_AUTOIDLE4_CORE */
1037     omap_writel(0x48008240, 0x04360626);	/* CM_CLKSEL1_CORE */
1038     omap_writel(0x48008244, 0x00000014);	/* CM_CLKSEL2_CORE */
1039     omap_writel(0x48008248, 0);			/* CM_CLKSTCTRL_CORE */
1040     omap_writel(0x48008300, 0x00000000);	/* CM_FCLKEN_GFX */
1041     omap_writel(0x48008310, 0x00000000);	/* CM_ICLKEN_GFX */
1042     omap_writel(0x48008340, 0x00000001);	/* CM_CLKSEL_GFX */
1043     omap_writel(0x48008400, 0x00000004);	/* CM_FCLKEN_WKUP */
1044     omap_writel(0x48008410, 0x00000004);	/* CM_ICLKEN_WKUP */
1045     omap_writel(0x48008440, 0x00000000);	/* CM_CLKSEL_WKUP */
1046     omap_writel(0x48008500, 0x000000cf);	/* CM_CLKEN_PLL */
1047     omap_writel(0x48008530, 0x0000000c);	/* CM_AUTOIDLE_PLL */
1048     omap_writel(0x48008540,			/* CM_CLKSEL1_PLL */
1049                     (0x78 << 12) | (6 << 8));
1050     omap_writel(0x48008544, 2);			/* CM_CLKSEL2_PLL */
1051 
1052     /* GPMC setup */
1053     n800_gpmc_init(s);
1054 
1055     /* Video setup */
1056     n800_dss_init(&s->blizzard);
1057 
1058     /* CPU setup */
1059     s->mpu->cpu->env.GE = 0x5;
1060 
1061     /* If the machine has a slided keyboard, open it */
1062     if (s->kbd) {
1063         qemu_irq_raise(qdev_get_gpio_in(s->mpu->gpio, N810_SLIDE_GPIO));
1064     }
1065 }
1066 
1067 #define OMAP_TAG_NOKIA_BT	0x4e01
1068 #define OMAP_TAG_WLAN_CX3110X	0x4e02
1069 #define OMAP_TAG_CBUS		0x4e03
1070 #define OMAP_TAG_EM_ASIC_BB5	0x4e04
1071 
1072 static struct omap_gpiosw_info_s {
1073     const char *name;
1074     int line;
1075     int type;
1076 } n800_gpiosw_info[] = {
1077     {
1078         "bat_cover", N800_BAT_COVER_GPIO,
1079         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1080     }, {
1081         "cam_act", N800_CAM_ACT_GPIO,
1082         OMAP_GPIOSW_TYPE_ACTIVITY,
1083     }, {
1084         "cam_turn", N800_CAM_TURN_GPIO,
1085         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_INVERTED,
1086     }, {
1087         "headphone", N8X0_HEADPHONE_GPIO,
1088         OMAP_GPIOSW_TYPE_CONNECTION | OMAP_GPIOSW_INVERTED,
1089     },
1090     { NULL }
1091 }, n810_gpiosw_info[] = {
1092     {
1093         "gps_reset", N810_GPS_RESET_GPIO,
1094         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_OUTPUT,
1095     }, {
1096         "gps_wakeup", N810_GPS_WAKEUP_GPIO,
1097         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_OUTPUT,
1098     }, {
1099         "headphone", N8X0_HEADPHONE_GPIO,
1100         OMAP_GPIOSW_TYPE_CONNECTION | OMAP_GPIOSW_INVERTED,
1101     }, {
1102         "kb_lock", N810_KB_LOCK_GPIO,
1103         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1104     }, {
1105         "sleepx_led", N810_SLEEPX_LED_GPIO,
1106         OMAP_GPIOSW_TYPE_ACTIVITY | OMAP_GPIOSW_INVERTED | OMAP_GPIOSW_OUTPUT,
1107     }, {
1108         "slide", N810_SLIDE_GPIO,
1109         OMAP_GPIOSW_TYPE_COVER | OMAP_GPIOSW_INVERTED,
1110     },
1111     { NULL }
1112 };
1113 
1114 static struct omap_partition_info_s {
1115     uint32_t offset;
1116     uint32_t size;
1117     int mask;
1118     const char *name;
1119 } n800_part_info[] = {
1120     { 0x00000000, 0x00020000, 0x3, "bootloader" },
1121     { 0x00020000, 0x00060000, 0x0, "config" },
1122     { 0x00080000, 0x00200000, 0x0, "kernel" },
1123     { 0x00280000, 0x00200000, 0x3, "initfs" },
1124     { 0x00480000, 0x0fb80000, 0x3, "rootfs" },
1125 
1126     { 0, 0, 0, NULL }
1127 }, n810_part_info[] = {
1128     { 0x00000000, 0x00020000, 0x3, "bootloader" },
1129     { 0x00020000, 0x00060000, 0x0, "config" },
1130     { 0x00080000, 0x00220000, 0x0, "kernel" },
1131     { 0x002a0000, 0x00400000, 0x0, "initfs" },
1132     { 0x006a0000, 0x0f960000, 0x0, "rootfs" },
1133 
1134     { 0, 0, 0, NULL }
1135 };
1136 
1137 static uint8_t n8x0_bd_addr[6] = { N8X0_BD_ADDR };
1138 
1139 static int n8x0_atag_setup(void *p, int model)
1140 {
1141     uint8_t *b;
1142     uint16_t *w;
1143     uint32_t *l;
1144     struct omap_gpiosw_info_s *gpiosw;
1145     struct omap_partition_info_s *partition;
1146     const char *tag;
1147 
1148     w = p;
1149 
1150     stw_p(w++, OMAP_TAG_UART);			/* u16 tag */
1151     stw_p(w++, 4);				/* u16 len */
1152     stw_p(w++, (1 << 2) | (1 << 1) | (1 << 0)); /* uint enabled_uarts */
1153     w++;
1154 
1155 #if 0
1156     stw_p(w++, OMAP_TAG_SERIAL_CONSOLE);	/* u16 tag */
1157     stw_p(w++, 4);				/* u16 len */
1158     stw_p(w++, XLDR_LL_UART + 1);		/* u8 console_uart */
1159     stw_p(w++, 115200);				/* u32 console_speed */
1160 #endif
1161 
1162     stw_p(w++, OMAP_TAG_LCD);			/* u16 tag */
1163     stw_p(w++, 36);				/* u16 len */
1164     strcpy((void *) w, "QEMU LCD panel");	/* char panel_name[16] */
1165     w += 8;
1166     strcpy((void *) w, "blizzard");		/* char ctrl_name[16] */
1167     w += 8;
1168     stw_p(w++, N810_BLIZZARD_RESET_GPIO);	/* TODO: n800 s16 nreset_gpio */
1169     stw_p(w++, 24);				/* u8 data_lines */
1170 
1171     stw_p(w++, OMAP_TAG_CBUS);			/* u16 tag */
1172     stw_p(w++, 8);				/* u16 len */
1173     stw_p(w++, N8X0_CBUS_CLK_GPIO);		/* s16 clk_gpio */
1174     stw_p(w++, N8X0_CBUS_DAT_GPIO);		/* s16 dat_gpio */
1175     stw_p(w++, N8X0_CBUS_SEL_GPIO);		/* s16 sel_gpio */
1176     w++;
1177 
1178     stw_p(w++, OMAP_TAG_EM_ASIC_BB5);		/* u16 tag */
1179     stw_p(w++, 4);				/* u16 len */
1180     stw_p(w++, N8X0_RETU_GPIO);			/* s16 retu_irq_gpio */
1181     stw_p(w++, N8X0_TAHVO_GPIO);		/* s16 tahvo_irq_gpio */
1182 
1183     gpiosw = (model == 810) ? n810_gpiosw_info : n800_gpiosw_info;
1184     for (; gpiosw->name; gpiosw++) {
1185         stw_p(w++, OMAP_TAG_GPIO_SWITCH);	/* u16 tag */
1186         stw_p(w++, 20);				/* u16 len */
1187         strcpy((void *) w, gpiosw->name);	/* char name[12] */
1188         w += 6;
1189         stw_p(w++, gpiosw->line);		/* u16 gpio */
1190         stw_p(w++, gpiosw->type);
1191         stw_p(w++, 0);
1192         stw_p(w++, 0);
1193     }
1194 
1195     stw_p(w++, OMAP_TAG_NOKIA_BT);		/* u16 tag */
1196     stw_p(w++, 12);				/* u16 len */
1197     b = (void *) w;
1198     stb_p(b++, 0x01);				/* u8 chip_type	(CSR) */
1199     stb_p(b++, N8X0_BT_WKUP_GPIO);		/* u8 bt_wakeup_gpio */
1200     stb_p(b++, N8X0_BT_HOST_WKUP_GPIO);		/* u8 host_wakeup_gpio */
1201     stb_p(b++, N8X0_BT_RESET_GPIO);		/* u8 reset_gpio */
1202     stb_p(b++, BT_UART + 1);			/* u8 bt_uart */
1203     memcpy(b, &n8x0_bd_addr, 6);		/* u8 bd_addr[6] */
1204     b += 6;
1205     stb_p(b++, 0x02);				/* u8 bt_sysclk (38.4) */
1206     w = (void *) b;
1207 
1208     stw_p(w++, OMAP_TAG_WLAN_CX3110X);		/* u16 tag */
1209     stw_p(w++, 8);				/* u16 len */
1210     stw_p(w++, 0x25);				/* u8 chip_type */
1211     stw_p(w++, N8X0_WLAN_PWR_GPIO);		/* s16 power_gpio */
1212     stw_p(w++, N8X0_WLAN_IRQ_GPIO);		/* s16 irq_gpio */
1213     stw_p(w++, -1);				/* s16 spi_cs_gpio */
1214 
1215     stw_p(w++, OMAP_TAG_MMC);			/* u16 tag */
1216     stw_p(w++, 16);				/* u16 len */
1217     if (model == 810) {
1218         stw_p(w++, 0x23f);			/* unsigned flags */
1219         stw_p(w++, -1);				/* s16 power_pin */
1220         stw_p(w++, -1);				/* s16 switch_pin */
1221         stw_p(w++, -1);				/* s16 wp_pin */
1222         stw_p(w++, 0x240);			/* unsigned flags */
1223         stw_p(w++, 0xc000);			/* s16 power_pin */
1224         stw_p(w++, 0x0248);			/* s16 switch_pin */
1225         stw_p(w++, 0xc000);			/* s16 wp_pin */
1226     } else {
1227         stw_p(w++, 0xf);			/* unsigned flags */
1228         stw_p(w++, -1);				/* s16 power_pin */
1229         stw_p(w++, -1);				/* s16 switch_pin */
1230         stw_p(w++, -1);				/* s16 wp_pin */
1231         stw_p(w++, 0);				/* unsigned flags */
1232         stw_p(w++, 0);				/* s16 power_pin */
1233         stw_p(w++, 0);				/* s16 switch_pin */
1234         stw_p(w++, 0);				/* s16 wp_pin */
1235     }
1236 
1237     stw_p(w++, OMAP_TAG_TEA5761);		/* u16 tag */
1238     stw_p(w++, 4);				/* u16 len */
1239     stw_p(w++, N8X0_TEA5761_CS_GPIO);		/* u16 enable_gpio */
1240     w++;
1241 
1242     partition = (model == 810) ? n810_part_info : n800_part_info;
1243     for (; partition->name; partition++) {
1244         stw_p(w++, OMAP_TAG_PARTITION);		/* u16 tag */
1245         stw_p(w++, 28);				/* u16 len */
1246         strcpy((void *) w, partition->name);	/* char name[16] */
1247         l = (void *) (w + 8);
1248         stl_p(l++, partition->size);		/* unsigned int size */
1249         stl_p(l++, partition->offset);		/* unsigned int offset */
1250         stl_p(l++, partition->mask);		/* unsigned int mask_flags */
1251         w = (void *) l;
1252     }
1253 
1254     stw_p(w++, OMAP_TAG_BOOT_REASON);		/* u16 tag */
1255     stw_p(w++, 12);				/* u16 len */
1256 #if 0
1257     strcpy((void *) w, "por");			/* char reason_str[12] */
1258     strcpy((void *) w, "charger");		/* char reason_str[12] */
1259     strcpy((void *) w, "32wd_to");		/* char reason_str[12] */
1260     strcpy((void *) w, "sw_rst");		/* char reason_str[12] */
1261     strcpy((void *) w, "mbus");			/* char reason_str[12] */
1262     strcpy((void *) w, "unknown");		/* char reason_str[12] */
1263     strcpy((void *) w, "swdg_to");		/* char reason_str[12] */
1264     strcpy((void *) w, "sec_vio");		/* char reason_str[12] */
1265     strcpy((void *) w, "pwr_key");		/* char reason_str[12] */
1266     strcpy((void *) w, "rtc_alarm");		/* char reason_str[12] */
1267 #else
1268     strcpy((void *) w, "pwr_key");		/* char reason_str[12] */
1269 #endif
1270     w += 6;
1271 
1272     tag = (model == 810) ? "RX-44" : "RX-34";
1273     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1274     stw_p(w++, 24);				/* u16 len */
1275     strcpy((void *) w, "product");		/* char component[12] */
1276     w += 6;
1277     strcpy((void *) w, tag);			/* char version[12] */
1278     w += 6;
1279 
1280     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1281     stw_p(w++, 24);				/* u16 len */
1282     strcpy((void *) w, "hw-build");		/* char component[12] */
1283     w += 6;
1284     strcpy((void *) w, "QEMU ");
1285     pstrcat((void *) w, 12, qemu_hw_version()); /* char version[12] */
1286     w += 6;
1287 
1288     tag = (model == 810) ? "1.1.10-qemu" : "1.1.6-qemu";
1289     stw_p(w++, OMAP_TAG_VERSION_STR);		/* u16 tag */
1290     stw_p(w++, 24);				/* u16 len */
1291     strcpy((void *) w, "nolo");			/* char component[12] */
1292     w += 6;
1293     strcpy((void *) w, tag);			/* char version[12] */
1294     w += 6;
1295 
1296     return (void *) w - p;
1297 }
1298 
1299 static int n800_atag_setup(const struct arm_boot_info *info, void *p)
1300 {
1301     return n8x0_atag_setup(p, 800);
1302 }
1303 
1304 static int n810_atag_setup(const struct arm_boot_info *info, void *p)
1305 {
1306     return n8x0_atag_setup(p, 810);
1307 }
1308 
1309 static void n8x0_init(MachineState *machine,
1310                       struct arm_boot_info *binfo, int model)
1311 {
1312     struct n800_s *s = (struct n800_s *) g_malloc0(sizeof(*s));
1313     MachineClass *mc = MACHINE_GET_CLASS(machine);
1314 
1315     if (machine->ram_size != mc->default_ram_size) {
1316         char *sz = size_to_str(mc->default_ram_size);
1317         error_report("Invalid RAM size, should be %s", sz);
1318         g_free(sz);
1319         exit(EXIT_FAILURE);
1320     }
1321 
1322     memory_region_add_subregion(get_system_memory(), OMAP2_Q2_BASE,
1323                                 machine->ram);
1324 
1325     s->mpu = omap2420_mpu_init(machine->ram, machine->cpu_type);
1326 
1327     /* Setup peripherals
1328      *
1329      * Believed external peripherals layout in the N810:
1330      * (spi bus 1)
1331      *   tsc2005
1332      *   lcd_mipid
1333      * (spi bus 2)
1334      *   Conexant cx3110x (WLAN)
1335      *   optional: pc2400m (WiMAX)
1336      * (i2c bus 0)
1337      *   TLV320AIC33 (audio codec)
1338      *   TCM825x (camera by Toshiba)
1339      *   lp5521 (clever LEDs)
1340      *   tsl2563 (light sensor, hwmon, model 7, rev. 0)
1341      *   lm8323 (keypad, manf 00, rev 04)
1342      * (i2c bus 1)
1343      *   tmp105 (temperature sensor, hwmon)
1344      *   menelaus (pm)
1345      * (somewhere on i2c - maybe N800-only)
1346      *   tea5761 (FM tuner)
1347      * (serial 0)
1348      *   GPS
1349      * (some serial port)
1350      *   csr41814 (Bluetooth)
1351      */
1352     n8x0_gpio_setup(s);
1353     n8x0_nand_setup(s);
1354     n8x0_i2c_setup(s);
1355     if (model == 800) {
1356         n800_tsc_kbd_setup(s);
1357     } else if (model == 810) {
1358         n810_tsc_setup(s);
1359         n810_kbd_setup(s);
1360     }
1361     n8x0_spi_setup(s);
1362     n8x0_dss_setup(s);
1363     n8x0_cbus_setup(s);
1364     n8x0_uart_setup(s);
1365     if (machine_usb(machine)) {
1366         n8x0_usb_setup(s);
1367     }
1368 
1369     if (machine->kernel_filename) {
1370         /* Or at the linux loader.  */
1371         arm_load_kernel(s->mpu->cpu, machine, binfo);
1372 
1373         qemu_register_reset(n8x0_boot_init, s);
1374     }
1375 
1376     if (option_rom[0].name &&
1377         (machine->boot_order[0] == 'n' || !machine->kernel_filename)) {
1378         uint8_t *nolo_tags = g_new(uint8_t, 0x10000);
1379         /* No, wait, better start at the ROM.  */
1380         s->mpu->cpu->env.regs[15] = OMAP2_Q2_BASE + 0x400000;
1381 
1382         /* This is intended for loading the `secondary.bin' program from
1383          * Nokia images (the NOLO bootloader).  The entry point seems
1384          * to be at OMAP2_Q2_BASE + 0x400000.
1385          *
1386          * The `2nd.bin' files contain some kind of earlier boot code and
1387          * for them the entry point needs to be set to OMAP2_SRAM_BASE.
1388          *
1389          * The code above is for loading the `zImage' file from Nokia
1390          * images.  */
1391         load_image_targphys(option_rom[0].name, OMAP2_Q2_BASE + 0x400000,
1392                             machine->ram_size - 0x400000);
1393 
1394         n800_setup_nolo_tags(nolo_tags);
1395         cpu_physical_memory_write(OMAP2_SRAM_BASE, nolo_tags, 0x10000);
1396         g_free(nolo_tags);
1397     }
1398 }
1399 
1400 static struct arm_boot_info n800_binfo = {
1401     .loader_start = OMAP2_Q2_BASE,
1402     .board_id = 0x4f7,
1403     .atag_board = n800_atag_setup,
1404 };
1405 
1406 static struct arm_boot_info n810_binfo = {
1407     .loader_start = OMAP2_Q2_BASE,
1408     /* 0x60c and 0x6bf (WiMAX Edition) have been assigned but are not
1409      * used by some older versions of the bootloader and 5555 is used
1410      * instead (including versions that shipped with many devices).  */
1411     .board_id = 0x60c,
1412     .atag_board = n810_atag_setup,
1413 };
1414 
1415 static void n800_init(MachineState *machine)
1416 {
1417     n8x0_init(machine, &n800_binfo, 800);
1418 }
1419 
1420 static void n810_init(MachineState *machine)
1421 {
1422     n8x0_init(machine, &n810_binfo, 810);
1423 }
1424 
1425 static void n800_class_init(ObjectClass *oc, void *data)
1426 {
1427     MachineClass *mc = MACHINE_CLASS(oc);
1428 
1429     mc->desc = "Nokia N800 tablet aka. RX-34 (OMAP2420)";
1430     mc->init = n800_init;
1431     mc->default_boot_order = "";
1432     mc->ignore_memory_transaction_failures = true;
1433     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1136-r2");
1434     /* Actually two chips of 0x4000000 bytes each */
1435     mc->default_ram_size = 0x08000000;
1436     mc->default_ram_id = "omap2.dram";
1437 }
1438 
1439 static const TypeInfo n800_type = {
1440     .name = MACHINE_TYPE_NAME("n800"),
1441     .parent = TYPE_MACHINE,
1442     .class_init = n800_class_init,
1443 };
1444 
1445 static void n810_class_init(ObjectClass *oc, void *data)
1446 {
1447     MachineClass *mc = MACHINE_CLASS(oc);
1448 
1449     mc->desc = "Nokia N810 tablet aka. RX-44 (OMAP2420)";
1450     mc->init = n810_init;
1451     mc->default_boot_order = "";
1452     mc->ignore_memory_transaction_failures = true;
1453     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1136-r2");
1454     /* Actually two chips of 0x4000000 bytes each */
1455     mc->default_ram_size = 0x08000000;
1456     mc->default_ram_id = "omap2.dram";
1457 }
1458 
1459 static const TypeInfo n810_type = {
1460     .name = MACHINE_TYPE_NAME("n810"),
1461     .parent = TYPE_MACHINE,
1462     .class_init = n810_class_init,
1463 };
1464 
1465 static void nseries_machine_init(void)
1466 {
1467     type_register_static(&n800_type);
1468     type_register_static(&n810_type);
1469 }
1470 
1471 type_init(nseries_machine_init)
1472