aboutsummaryrefslogtreecommitdiff
path: root/arch/m32r/kernel/setup_m32700ut.c
blob: b6ab00eff58057db820edf51c06cfdc08a4b5017 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
/*
 *  linux/arch/m32r/kernel/setup_m32700ut.c
 *
 *  Setup routines for Renesas M32700UT Board
 *
 *  Copyright (c) 2002-2005  Hiroyuki Kondo, Hirokazu Takata,
 *                           Hitoshi Yamamoto, Takeo Takahashi
 *
 *  This file is subject to the terms and conditions of the GNU General
 *  Public License.  See the file "COPYING" in the main directory of this
 *  archive for more details.
 */

#include <linux/config.h>
#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>

#include <asm/system.h>
#include <asm/m32r.h>
#include <asm/io.h>

/*
 * M32700 Interrupt Control Unit (Level 1)
 */
#define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))

icu_data_t icu_data[M32700UT_NUM_CPU_IRQ];

static void disable_m32700ut_irq(unsigned int irq)
{
	unsigned long port, data;

	port = irq2port(irq);
	data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
	outl(data, port);
}

static void enable_m32700ut_irq(unsigned int irq)
{
	unsigned long port, data;

	port = irq2port(irq);
	data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
	outl(data, port);
}

static void mask_and_ack_m32700ut(unsigned int irq)
{
	disable_m32700ut_irq(irq);
}

static void end_m32700ut_irq(unsigned int irq)
{
	enable_m32700ut_irq(irq);
}

static unsigned int startup_m32700ut_irq(unsigned int irq)
{
	enable_m32700ut_irq(irq);
	return (0);
}

static void shutdown_m32700ut_irq(unsigned int irq)
{
	unsigned long port;

	port = irq2port(irq);
	outl(M32R_ICUCR_ILEVEL7, port);
}

static struct hw_interrupt_type m32700ut_irq_type =
{
	.typename = "M32700UT-IRQ",
	.startup = startup_m32700ut_irq,
	.shutdown = shutdown_m32700ut_irq,
	.enable = enable_m32700ut_irq,
	.disable = disable_m32700ut_irq,
	.ack = mask_and_ack_m32700ut,
	.end = end_m32700ut_irq
};

/*
 * Interrupt Control Unit of PLD on M32700UT (Level 2)
 */
#define irq2pldirq(x)		((x) - M32700UT_PLD_IRQ_BASE)
#define pldirq2port(x)		(unsigned long)((int)PLD_ICUCR1 + \
				 (((x) - 1) * sizeof(unsigned short)))

typedef struct {
	unsigned short icucr;  /* ICU Control Register */
} pld_icu_data_t;

static pld_icu_data_t pld_icu_data[M32700UT_NUM_PLD_IRQ];

static void disable_m32700ut_pld_irq(unsigned int irq)
{
	unsigned long port, data;
	unsigned int pldirq;

	pldirq = irq2pldirq(irq);
//	disable_m32700ut_irq(M32R_IRQ_INT1);
	port = pldirq2port(pldirq);
	data = pld_icu_data[pldirq].icucr|PLD_ICUCR_ILEVEL7;
	outw(data, port);
}

static void enable_m32700ut_pld_irq(unsigned int irq)
{
	unsigned long port, data;
	unsigned int pldirq;

	pldirq = irq2pldirq(irq);
//	enable_m32700ut_irq(M32R_IRQ_INT1);
	port = pldirq2port(pldirq);
	data = pld_icu_data[pldirq].icucr|PLD_ICUCR_IEN|PLD_ICUCR_ILEVEL6;
	outw(data, port);
}

static void mask_and_ack_m32700ut_pld(unsigned int irq)
{
	disable_m32700ut_pld_irq(irq);
//	mask_and_ack_m32700ut(M32R_IRQ_INT1);
}

static void end_m32700ut_pld_irq(unsigned int irq)
{
	enable_m32700ut_pld_irq(irq);
	end_m32700ut_irq(M32R_IRQ_INT1);
}

static unsigned int startup_m32700ut_pld_irq(unsigned int irq)
{
	enable_m32700ut_pld_irq(irq);
	return (0);
}

static void shutdown_m32700ut_pld_irq(unsigned int irq)
{
	unsigned long port;
	unsigned int pldirq;

	pldirq = irq2pldirq(irq);
//	shutdown_m32700ut_irq(M32R_IRQ_INT1);
	port = pldirq2port(pldirq);
	outw(PLD_ICUCR_ILEVEL7, port);
}

static struct hw_interrupt_type m32700ut_pld_irq_type =
{
	.typename = "M32700UT-PLD-IRQ",
	.startup = startup_m32700ut_pld_irq,
	.shutdown = shutdown_m32700ut_pld_irq,
	.enable = enable_m32700ut_pld_irq,
	.disable = disable_m32700ut_pld_irq,
	.ack = mask_and_ack_m32700ut_pld,
	.end = end_m32700ut_pld_irq
};

/*
 * Interrupt Control Unit of PLD on M32700UT-LAN (Level 2)
 */
#define irq2lanpldirq(x)	((x) - M32700UT_LAN_PLD_IRQ_BASE)
#define lanpldirq2port(x)	(unsigned long)((int)M32700UT_LAN_ICUCR1 + \
				 (((x) - 1) * sizeof(unsigned short)))

static pld_icu_data_t lanpld_icu_data[M32700UT_NUM_LAN_PLD_IRQ];

static void disable_m32700ut_lanpld_irq(unsigned int irq)
{
	unsigned long port, data;
	unsigned int pldirq;

	pldirq = irq2lanpldirq(irq);
	port = lanpldirq2port(pldirq);
	data = lanpld_icu_data[pldirq].icucr|PLD_ICUCR_ILEVEL7;
	outw(data, port);
}

static void enable_m32700ut_lanpld_irq(unsigned int irq)
{
	unsigned long port, data;
	unsigned int pldirq;

	pldirq = irq2lanpldirq(irq);
	port = lanpldirq2port(pldirq);
	data = lanpld_icu_data[pldirq].icucr|PLD_ICUCR_IEN|PLD_ICUCR_ILEVEL6;
	outw(data, port);
}

static void mask_and_ack_m32700ut_lanpld(unsigned int irq)
{
	disable_m32700ut_lanpld_irq(irq);
}

static void end_m32700ut_lanpld_irq(unsigned int irq)
{
	enable_m32700ut_lanpld_irq(irq);
	end_m32700ut_irq(M32R_IRQ_INT0);
}

static unsigned int startup_m32700ut_lanpld_irq(unsigned int irq)
{
	enable_m32700ut_lanpld_irq(irq);
	return (0);
}

static void shutdown_m32700ut_lanpld_irq(unsigned int irq)
{
	unsigned long port;
	unsigned int pldirq;

	pldirq = irq2lanpldirq(irq);
	port = lanpldirq2port(pldirq);
	outw(PLD_ICUCR_ILEVEL7, port);
}

static struct hw_interrupt_type m32700ut_lanpld_irq_type =
{
	.typename = "M32700UT-PLD-LAN-IRQ",
	.startup = startup_m32700ut_lanpld_irq,
	.shutdown = shutdown_m32700ut_lanpld_irq,
	.enable = enable_m32700ut_lanpld_irq,
	.disable = disable_m32700ut_lanpld_irq,
	.ack = mask_and_ack_m32700ut_lanpld,
	.end = end_m32700ut_lanpld_irq
};

/*
 * Interrupt Control Unit of PLD on M32700UT-LCD (Level 2)
 */
#define irq2lcdpldirq(x)	((x) - M32700UT_LCD_PLD_IRQ_BASE)
#define lcdpldirq2port(x)	(unsigned long)((int)M32700UT_LCD_ICUCR1 + \
				 (((x) - 1) * sizeof(unsigned short)))

static pld_icu_data_t lcdpld_icu_data[M32700UT_NUM_LCD_PLD_IRQ];

static void disable_m32700ut_lcdpld_irq(unsigned int irq)
{
	unsigned long port, data;
	unsigned int pldirq;

	pldirq = irq2lcdpldirq(irq);
	port = lcdpldirq2port(pldirq);
	data = lcdpld_icu_data[pldirq].icucr|PLD_ICUCR_ILEVEL7;
	outw(data, port);
}

static void enable_m32700ut_lcdpld_irq(unsigned int irq)
{
	unsigned long port, data;
	unsigned int pldirq;

	pldirq = irq2lcdpldirq(irq);
	port = lcdpldirq2port(pldirq);
	data = lcdpld_icu_data[pldirq].icucr|PLD_ICUCR_IEN|PLD_ICUCR_ILEVEL6;
	outw(data, port);
}

static void mask_and_ack_m32700ut_lcdpld(unsigned int irq)
{
	disable_m32700ut_lcdpld_irq(irq);
}

static void end_m32700ut_lcdpld_irq(unsigned int irq)
{
	enable_m32700ut_lcdpld_irq(irq);
	end_m32700ut_irq(M32R_IRQ_INT2);
}

static unsigned int startup_m32700ut_lcdpld_irq(unsigned int irq)
{
	enable_m32700ut_lcdpld_irq(irq);
	return (0);
}

static void shutdown_m32700ut_lcdpld_irq(unsigned int irq)
{
	unsigned long port;
	unsigned int pldirq;

	pldirq = irq2lcdpldirq(irq);
	port = lcdpldirq2port(pldirq);
	outw(PLD_ICUCR_ILEVEL7, port);
}

static struct hw_interrupt_type m32700ut_lcdpld_irq_type =
{
	.typename = "M32700UT-PLD-LCD-IRQ",
	.startup = startup_m32700ut_lcdpld_irq,
	.shutdown = shutdown_m32700ut_lcdpld_irq,
	.enable = enable_m32700ut_lcdpld_irq,
	.disable = disable_m32700ut_lcdpld_irq,
	.ack = mask_and_ack_m32700ut_lcdpld,
	.end = end_m32700ut_lcdpld_irq
};

void __init init_IRQ(void)
{
#if defined(CONFIG_SMC91X)
	/* INT#0: LAN controller on M32700UT-LAN (SMC91C111)*/
	irq_desc[M32700UT_LAN_IRQ_LAN].status = IRQ_DISABLED;
	irq_desc[M32700UT_LAN_IRQ_LAN].chip = &m32700ut_lanpld_irq_type;
	irq_desc[M32700UT_LAN_IRQ_LAN].action = 0;
	irq_desc[M32700UT_LAN_IRQ_LAN].depth = 1;	/* disable nested irq */
	lanpld_icu_data[irq2lanpldirq(M32700UT_LAN_IRQ_LAN)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD02;	/* "H" edge sense */
	disable_m32700ut_lanpld_irq(M32700UT_LAN_IRQ_LAN);
#endif  /* CONFIG_SMC91X */

	/* MFT2 : system timer */
	irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED;
	irq_desc[M32R_IRQ_MFT2].chip = &m32700ut_irq_type;
	irq_desc[M32R_IRQ_MFT2].action = 0;
	irq_desc[M32R_IRQ_MFT2].depth = 1;
	icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
	disable_m32700ut_irq(M32R_IRQ_MFT2);

	/* SIO0 : receive */
	irq_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED;
	irq_desc[M32R_IRQ_SIO0_R].chip = &m32700ut_irq_type;
	irq_desc[M32R_IRQ_SIO0_R].action = 0;
	irq_desc[M32R_IRQ_SIO0_R].depth = 1;
	icu_data[M32R_IRQ_SIO0_R].icucr = 0;
	disable_m32700ut_irq(M32R_IRQ_SIO0_R);

	/* SIO0 : send */
	irq_desc[M32R_IRQ_SIO0_S].status = IRQ_DISABLED;
	irq_desc[M32R_IRQ_SIO0_S].chip = &m32700ut_irq_type;
	irq_desc[M32R_IRQ_SIO0_S].action = 0;
	irq_desc[M32R_IRQ_SIO0_S].depth = 1;
	icu_data[M32R_IRQ_SIO0_S].icucr = 0;
	disable_m32700ut_irq(M32R_IRQ_SIO0_S);

	/* SIO1 : receive */
	irq_desc[M32R_IRQ_SIO1_R].status = IRQ_DISABLED;
	irq_desc[M32R_IRQ_SIO1_R].chip = &m32700ut_irq_type;
	irq_desc[M32R_IRQ_SIO1_R].action = 0;
	irq_desc[M32R_IRQ_SIO1_R].depth = 1;
	icu_data[M32R_IRQ_SIO1_R].icucr = 0;
	disable_m32700ut_irq(M32R_IRQ_SIO1_R);

	/* SIO1 : send */
	irq_desc[M32R_IRQ_SIO1_S].status = IRQ_DISABLED;
	irq_desc[M32R_IRQ_SIO1_S].chip = &m32700ut_irq_type;
	irq_desc[M32R_IRQ_SIO1_S].action = 0;
	irq_desc[M32R_IRQ_SIO1_S].depth = 1;
	icu_data[M32R_IRQ_SIO1_S].icucr = 0;
	disable_m32700ut_irq(M32R_IRQ_SIO1_S);

	/* DMA1 : */
	irq_desc[M32R_IRQ_DMA1].status = IRQ_DISABLED;
	irq_desc[M32R_IRQ_DMA1].chip = &m32700ut_irq_type;
	irq_desc[M32R_IRQ_DMA1].action = 0;
	irq_desc[M32R_IRQ_DMA1].depth = 1;
	icu_data[M32R_IRQ_DMA1].icucr = 0;
	disable_m32700ut_irq(M32R_IRQ_DMA1);

#ifdef CONFIG_SERIAL_M32R_PLDSIO
	/* INT#1: SIO0 Receive on PLD */
	irq_desc[PLD_IRQ_SIO0_RCV].status = IRQ_DISABLED;
	irq_desc[PLD_IRQ_SIO0_RCV].chip = &m32700ut_pld_irq_type;
	irq_desc[PLD_IRQ_SIO0_RCV].action = 0;
	irq_desc[PLD_IRQ_SIO0_RCV].depth = 1;	/* disable nested irq */
	pld_icu_data[irq2pldirq(PLD_IRQ_SIO0_RCV)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD03;
	disable_m32700ut_pld_irq(PLD_IRQ_SIO0_RCV);

	/* INT#1: SIO0 Send on PLD */
	irq_desc[PLD_IRQ_SIO0_SND].status = IRQ_DISABLED;
	irq_desc[PLD_IRQ_SIO0_SND].chip = &m32700ut_pld_irq_type;
	irq_desc[PLD_IRQ_SIO0_SND].action = 0;
	irq_desc[PLD_IRQ_SIO0_SND].depth = 1;	/* disable nested irq */
	pld_icu_data[irq2pldirq(PLD_IRQ_SIO0_SND)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD03;
	disable_m32700ut_pld_irq(PLD_IRQ_SIO0_SND);
#endif  /* CONFIG_SERIAL_M32R_PLDSIO */

	/* INT#1: CFC IREQ on PLD */
	irq_desc[PLD_IRQ_CFIREQ].status = IRQ_DISABLED;
	irq_desc[PLD_IRQ_CFIREQ].chip = &m32700ut_pld_irq_type;
	irq_desc[PLD_IRQ_CFIREQ].action = 0;
	irq_desc[PLD_IRQ_CFIREQ].depth = 1;	/* disable nested irq */
	pld_icu_data[irq2pldirq(PLD_IRQ_CFIREQ)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD01;	/* 'L' level sense */
	disable_m32700ut_pld_irq(PLD_IRQ_CFIREQ);

	/* INT#1: CFC Insert on PLD */
	irq_desc[PLD_IRQ_CFC_INSERT].status = IRQ_DISABLED;
	irq_desc[PLD_IRQ_CFC_INSERT].chip = &m32700ut_pld_irq_type;
	irq_desc[PLD_IRQ_CFC_INSERT].action = 0;
	irq_desc[PLD_IRQ_CFC_INSERT].depth = 1;	/* disable nested irq */
	pld_icu_data[irq2pldirq(PLD_IRQ_CFC_INSERT)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD00;	/* 'L' edge sense */
	disable_m32700ut_pld_irq(PLD_IRQ_CFC_INSERT);

	/* INT#1: CFC Eject on PLD */
	irq_desc[PLD_IRQ_CFC_EJECT].status = IRQ_DISABLED;
	irq_desc[PLD_IRQ_CFC_EJECT].chip = &m32700ut_pld_irq_type;
	irq_desc[PLD_IRQ_CFC_EJECT].action = 0;
	irq_desc[PLD_IRQ_CFC_EJECT].depth = 1;	/* disable nested irq */
	pld_icu_data[irq2pldirq(PLD_IRQ_CFC_EJECT)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD02;	/* 'H' edge sense */
	disable_m32700ut_pld_irq(PLD_IRQ_CFC_EJECT);

	/*
	 * INT0# is used for LAN, DIO
	 * We enable it here.
	 */
	icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
	enable_m32700ut_irq(M32R_IRQ_INT0);

	/*
	 * INT1# is used for UART, MMC, CF Controller in FPGA.
	 * We enable it here.
	 */
	icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
	enable_m32700ut_irq(M32R_IRQ_INT1);

#if defined(CONFIG_USB)
	outw(USBCR_OTGS, USBCR); 	/* USBCR: non-OTG */

    irq_desc[M32700UT_LCD_IRQ_USB_INT1].status = IRQ_DISABLED;
    irq_desc[M32700UT_LCD_IRQ_USB_INT1].chip = &m32700ut_lcdpld_irq_type;
    irq_desc[M32700UT_LCD_IRQ_USB_INT1].action = 0;
    irq_desc[M32700UT_LCD_IRQ_USB_INT1].depth = 1;
    lcdpld_icu_data[irq2lcdpldirq(M32700UT_LCD_IRQ_USB_INT1)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD01;	/* "L" level sense */
    disable_m32700ut_lcdpld_irq(M32700UT_LCD_IRQ_USB_INT1);
#endif
	/*
	 * INT2# is used for BAT, USB, AUDIO
	 * We enable it here.
	 */
	icu_data[M32R_IRQ_INT2].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD01;
	enable_m32700ut_irq(M32R_IRQ_INT2);

#if defined(CONFIG_VIDEO_M32R_AR)
	/*
	 * INT3# is used for AR
	 */
	irq_desc[M32R_IRQ_INT3].status = IRQ_DISABLED;
	irq_desc[M32R_IRQ_INT3].chip = &m32700ut_irq_type;
	irq_desc[M32R_IRQ_INT3].action = 0;
	irq_desc[M32R_IRQ_INT3].depth = 1;
	icu_data[M32R_IRQ_INT3].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
	disable_m32700ut_irq(M32R_IRQ_INT3);
#endif	/* CONFIG_VIDEO_M32R_AR */
}

#if defined(CONFIG_SMC91X)

#define LAN_IOSTART     0x300
#define LAN_IOEND       0x320
static struct resource smc91x_resources[] = {
	[0] = {
		.start  = (LAN_IOSTART),
		.end    = (LAN_IOEND),
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = M32700UT_LAN_IRQ_LAN,
		.end    = M32700UT_LAN_IRQ_LAN,
		.flags  = IORESOURCE_IRQ,
	}
};

static struct platform_device smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.num_resources  = ARRAY_SIZE(smc91x_resources),
	.resource       = smc91x_resources,
};
#endif

#if defined(CONFIG_FB_S1D13XXX)

#include <video/s1d13xxxfb.h>
#include <asm/s1d13806.h>

static struct s1d13xxxfb_pdata s1d13xxxfb_data = {
	.initregs		= s1d13xxxfb_initregs,
	.initregssize		= ARRAY_SIZE(s1d13xxxfb_initregs),
	.platform_init_video	= NULL,
#ifdef CONFIG_PM
	.platform_suspend_video	= NULL,
	.platform_resume_video	= NULL,
#endif
};

static struct resource s1d13xxxfb_resources[] = {
	[0] = {
		.start  = 0x10600000UL,
		.end    = 0x1073FFFFUL,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = 0x10400000UL,
		.end    = 0x104001FFUL,
		.flags  = IORESOURCE_MEM,
	}
};

static struct platform_device s1d13xxxfb_device = {
	.name		= S1D_DEVICENAME,
	.id		= 0,
	.dev            = {
		.platform_data  = &s1d13xxxfb_data,
	},
	.num_resources  = ARRAY_SIZE(s1d13xxxfb_resources),
	.resource       = s1d13xxxfb_resources,
};
#endif

static int __init platform_init(void)
{
#if defined(CONFIG_SMC91X)
	platform_device_register(&smc91x_device);
#endif
#if defined(CONFIG_FB_S1D13XXX)
	platform_device_register(&s1d13xxxfb_device);
#endif
	return 0;
}
arch_initcall(platform_init);