summaryrefslogtreecommitdiff
path: root/arch/mips/txx9/generic/setup.c
blob: a13a08b8c9ec1c24ba9292fe377083f2f70c2e43 (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
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
/*
 * linux/arch/mips/txx9/generic/setup.c
 *
 * Based on linux/arch/mips/txx9/rbtx4938/setup.c,
 *	    and RBTX49xx patch from CELF patch archive.
 *
 * 2003-2005 (c) MontaVista Software, Inc.
 * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007
 *
 * 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/init.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/string.h>
#include <linux/module.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/mtd/physmap.h>
#include <linux/leds.h>
#include <asm/bootinfo.h>
#include <asm/time.h>
#include <asm/reboot.h>
#include <asm/r4kcache.h>
#include <asm/sections.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/pci.h>
#include <asm/txx9tmr.h>
#ifdef CONFIG_CPU_TX49XX
#include <asm/txx9/tx4938.h>
#endif

/* EBUSC settings of TX4927, etc. */
struct resource txx9_ce_res[8];
static char txx9_ce_res_name[8][4];	/* "CEn" */

/* pcode, internal register */
unsigned int txx9_pcode;
char txx9_pcode_str[8];
static struct resource txx9_reg_res = {
	.name = txx9_pcode_str,
	.flags = IORESOURCE_MEM,
};
void __init
txx9_reg_res_init(unsigned int pcode, unsigned long base, unsigned long size)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(txx9_ce_res); i++) {
		sprintf(txx9_ce_res_name[i], "CE%d", i);
		txx9_ce_res[i].flags = IORESOURCE_MEM;
		txx9_ce_res[i].name = txx9_ce_res_name[i];
	}

	txx9_pcode = pcode;
	sprintf(txx9_pcode_str, "TX%x", pcode);
	if (base) {
		txx9_reg_res.start = base & 0xfffffffffULL;
		txx9_reg_res.end = (base & 0xfffffffffULL) + (size - 1);
		request_resource(&iomem_resource, &txx9_reg_res);
	}
}

/* clocks */
unsigned int txx9_master_clock;
unsigned int txx9_cpu_clock;
unsigned int txx9_gbus_clock;

#ifdef CONFIG_CPU_TX39XX
/* don't enable by default - see errata */
int txx9_ccfg_toeon __initdata;
#else
int txx9_ccfg_toeon __initdata = 1;
#endif

/* Minimum CLK support */

struct clk *clk_get(struct device *dev, const char *id)
{
	if (!strcmp(id, "spi-baseclk"))
		return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 4);
	if (!strcmp(id, "imbus_clk"))
		return (struct clk *)((unsigned long)txx9_gbus_clock / 2);
	return ERR_PTR(-ENOENT);
}
EXPORT_SYMBOL(clk_get);

int clk_enable(struct clk *clk)
{
	return 0;
}
EXPORT_SYMBOL(clk_enable);

void clk_disable(struct clk *clk)
{
}
EXPORT_SYMBOL(clk_disable);

unsigned long clk_get_rate(struct clk *clk)
{
	return (unsigned long)clk;
}
EXPORT_SYMBOL(clk_get_rate);

void clk_put(struct clk *clk)
{
}
EXPORT_SYMBOL(clk_put);

/* GPIO support */

#ifdef CONFIG_GENERIC_GPIO
int gpio_to_irq(unsigned gpio)
{
	return -EINVAL;
}
EXPORT_SYMBOL(gpio_to_irq);

int irq_to_gpio(unsigned irq)
{
	return -EINVAL;
}
EXPORT_SYMBOL(irq_to_gpio);
#endif

#define BOARD_VEC(board)	extern struct txx9_board_vec board;
#include <asm/txx9/boards.h>
#undef BOARD_VEC

struct txx9_board_vec *txx9_board_vec __initdata;
static char txx9_system_type[32];

static struct txx9_board_vec *board_vecs[] __initdata = {
#define BOARD_VEC(board)	&board,
#include <asm/txx9/boards.h>
#undef BOARD_VEC
};

static struct txx9_board_vec *__init find_board_byname(const char *name)
{
	int i;

	/* search board_vecs table */
	for (i = 0; i < ARRAY_SIZE(board_vecs); i++) {
		if (strstr(board_vecs[i]->system, name))
			return board_vecs[i];
	}
	return NULL;
}

static void __init prom_init_cmdline(void)
{
	int argc;
	int *argv32;
	int i;			/* Always ignore the "-c" at argv[0] */
	char builtin[CL_SIZE];

	if (fw_arg0 >= CKSEG0 || fw_arg1 < CKSEG0) {
		/*
		 * argc is not a valid number, or argv32 is not a valid
		 * pointer
		 */
		argc = 0;
		argv32 = NULL;
	} else {
		argc = (int)fw_arg0;
		argv32 = (int *)fw_arg1;
	}

	/* ignore all built-in args if any f/w args given */
	/*
	 * But if built-in strings was started with '+', append them
	 * to command line args.  If built-in was started with '-',
	 * ignore all f/w args.
	 */
	builtin[0] = '\0';
	if (arcs_cmdline[0] == '+')
		strcpy(builtin, arcs_cmdline + 1);
	else if (arcs_cmdline[0] == '-') {
		strcpy(builtin, arcs_cmdline + 1);
		argc = 0;
	} else if (argc <= 1)
		strcpy(builtin, arcs_cmdline);
	arcs_cmdline[0] = '\0';

	for (i = 1; i < argc; i++) {
		char *str = (char *)(long)argv32[i];
		if (i != 1)
			strcat(arcs_cmdline, " ");
		if (strchr(str, ' ')) {
			strcat(arcs_cmdline, "\"");
			strcat(arcs_cmdline, str);
			strcat(arcs_cmdline, "\"");
		} else
			strcat(arcs_cmdline, str);
	}
	/* append saved builtin args */
	if (builtin[0]) {
		if (arcs_cmdline[0])
			strcat(arcs_cmdline, " ");
		strcat(arcs_cmdline, builtin);
	}
}

static int txx9_ic_disable __initdata;
static int txx9_dc_disable __initdata;

#if defined(CONFIG_CPU_TX49XX)
/* flush all cache on very early stage (before 4k_cache_init) */
static void __init early_flush_dcache(void)
{
	unsigned int conf = read_c0_config();
	unsigned int dc_size = 1 << (12 + ((conf & CONF_DC) >> 6));
	unsigned int linesz = 32;
	unsigned long addr, end;

	end = INDEX_BASE + dc_size / 4;
	/* 4way, waybit=0 */
	for (addr = INDEX_BASE; addr < end; addr += linesz) {
		cache_op(Index_Writeback_Inv_D, addr | 0);
		cache_op(Index_Writeback_Inv_D, addr | 1);
		cache_op(Index_Writeback_Inv_D, addr | 2);
		cache_op(Index_Writeback_Inv_D, addr | 3);
	}
}

static void __init txx9_cache_fixup(void)
{
	unsigned int conf;

	conf = read_c0_config();
	/* flush and disable */
	if (txx9_ic_disable) {
		conf |= TX49_CONF_IC;
		write_c0_config(conf);
	}
	if (txx9_dc_disable) {
		early_flush_dcache();
		conf |= TX49_CONF_DC;
		write_c0_config(conf);
	}

	/* enable cache */
	conf = read_c0_config();
	if (!txx9_ic_disable)
		conf &= ~TX49_CONF_IC;
	if (!txx9_dc_disable)
		conf &= ~TX49_CONF_DC;
	write_c0_config(conf);

	if (conf & TX49_CONF_IC)
		pr_info("TX49XX I-Cache disabled.\n");
	if (conf & TX49_CONF_DC)
		pr_info("TX49XX D-Cache disabled.\n");
}
#elif defined(CONFIG_CPU_TX39XX)
/* flush all cache on very early stage (before tx39_cache_init) */
static void __init early_flush_dcache(void)
{
	unsigned int conf = read_c0_config();
	unsigned int dc_size = 1 << (10 + ((conf & TX39_CONF_DCS_MASK) >>
					   TX39_CONF_DCS_SHIFT));
	unsigned int linesz = 16;
	unsigned long addr, end;

	end = INDEX_BASE + dc_size / 2;
	/* 2way, waybit=0 */
	for (addr = INDEX_BASE; addr < end; addr += linesz) {
		cache_op(Index_Writeback_Inv_D, addr | 0);
		cache_op(Index_Writeback_Inv_D, addr | 1);
	}
}

static void __init txx9_cache_fixup(void)
{
	unsigned int conf;

	conf = read_c0_config();
	/* flush and disable */
	if (txx9_ic_disable) {
		conf &= ~TX39_CONF_ICE;
		write_c0_config(conf);
	}
	if (txx9_dc_disable) {
		early_flush_dcache();
		conf &= ~TX39_CONF_DCE;
		write_c0_config(conf);
	}

	/* enable cache */
	conf = read_c0_config();
	if (!txx9_ic_disable)
		conf |= TX39_CONF_ICE;
	if (!txx9_dc_disable)
		conf |= TX39_CONF_DCE;
	write_c0_config(conf);

	if (!(conf & TX39_CONF_ICE))
		pr_info("TX39XX I-Cache disabled.\n");
	if (!(conf & TX39_CONF_DCE))
		pr_info("TX39XX D-Cache disabled.\n");
}
#else
static inline void txx9_cache_fixup(void)
{
}
#endif

static void __init preprocess_cmdline(void)
{
	char cmdline[CL_SIZE];
	char *s;

	strcpy(cmdline, arcs_cmdline);
	s = cmdline;
	arcs_cmdline[0] = '\0';
	while (s && *s) {
		char *str = strsep(&s, " ");
		if (strncmp(str, "board=", 6) == 0) {
			txx9_board_vec = find_board_byname(str + 6);
			continue;
		} else if (strncmp(str, "masterclk=", 10) == 0) {
			unsigned long val;
			if (strict_strtoul(str + 10, 10, &val) == 0)
				txx9_master_clock = val;
			continue;
		} else if (strcmp(str, "icdisable") == 0) {
			txx9_ic_disable = 1;
			continue;
		} else if (strcmp(str, "dcdisable") == 0) {
			txx9_dc_disable = 1;
			continue;
		} else if (strcmp(str, "toeoff") == 0) {
			txx9_ccfg_toeon = 0;
			continue;
		} else if (strcmp(str, "toeon") == 0) {
			txx9_ccfg_toeon = 1;
			continue;
		}
		if (arcs_cmdline[0])
			strcat(arcs_cmdline, " ");
		strcat(arcs_cmdline, str);
	}

	txx9_cache_fixup();
}

static void __init select_board(void)
{
	const char *envstr;

	/* first, determine by "board=" argument in preprocess_cmdline() */
	if (txx9_board_vec)
		return;
	/* next, determine by "board" envvar */
	envstr = prom_getenv("board");
	if (envstr) {
		txx9_board_vec = find_board_byname(envstr);
		if (txx9_board_vec)
			return;
	}

	/* select "default" board */
#ifdef CONFIG_CPU_TX39XX
	txx9_board_vec = &jmr3927_vec;
#endif
#ifdef CONFIG_CPU_TX49XX
	switch (TX4938_REV_PCODE()) {
#ifdef CONFIG_TOSHIBA_RBTX4927
	case 0x4927:
		txx9_board_vec = &rbtx4927_vec;
		break;
	case 0x4937:
		txx9_board_vec = &rbtx4937_vec;
		break;
#endif
#ifdef CONFIG_TOSHIBA_RBTX4938
	case 0x4938:
		txx9_board_vec = &rbtx4938_vec;
		break;
#endif
#ifdef CONFIG_TOSHIBA_RBTX4939
	case 0x4939:
		txx9_board_vec = &rbtx4939_vec;
		break;
#endif
	}
#endif
}

void __init prom_init(void)
{
	prom_init_cmdline();
	preprocess_cmdline();
	select_board();

	strcpy(txx9_system_type, txx9_board_vec->system);

	txx9_board_vec->prom_init();
}

void __init prom_free_prom_memory(void)
{
	unsigned long saddr = PAGE_SIZE;
	unsigned long eaddr = __pa_symbol(&_text);

	if (saddr < eaddr)
		free_init_pages("prom memory", saddr, eaddr);
}

const char *get_system_type(void)
{
	return txx9_system_type;
}

char * __init prom_getcmdline(void)
{
	return &(arcs_cmdline[0]);
}

const char *__init prom_getenv(const char *name)
{
	const s32 *str;

	if (fw_arg2 < CKSEG0)
		return NULL;

	str = (const s32 *)fw_arg2;
	/* YAMON style ("name", "value" pairs) */
	while (str[0] && str[1]) {
		if (!strcmp((const char *)(unsigned long)str[0], name))
			return (const char *)(unsigned long)str[1];
		str += 2;
	}
	return NULL;
}

static void __noreturn txx9_machine_halt(void)
{
	local_irq_disable();
	clear_c0_status(ST0_IM);
	while (1) {
		if (cpu_wait) {
			(*cpu_wait)();
			if (cpu_has_counter) {
				/*
				 * Clear counter interrupt while it
				 * breaks WAIT instruction even if
				 * masked.
				 */
				write_c0_compare(0);
			}
		}
	}
}

/* Watchdog support */
void __init txx9_wdt_init(unsigned long base)
{
	struct resource res = {
		.start	= base,
		.end	= base + 0x100 - 1,
		.flags	= IORESOURCE_MEM,
	};
	platform_device_register_simple("txx9wdt", -1, &res, 1);
}

void txx9_wdt_now(unsigned long base)
{
	struct txx9_tmr_reg __iomem *tmrptr =
		ioremap(base, sizeof(struct txx9_tmr_reg));
	/* disable watch dog timer */
	__raw_writel(TXx9_TMWTMR_WDIS | TXx9_TMWTMR_TWC, &tmrptr->wtmr);
	__raw_writel(0, &tmrptr->tcr);
	/* kick watchdog */
	__raw_writel(TXx9_TMWTMR_TWIE, &tmrptr->wtmr);
	__raw_writel(1, &tmrptr->cpra); /* immediate */
	__raw_writel(TXx9_TMTCR_TCE | TXx9_TMTCR_CCDE | TXx9_TMTCR_TMODE_WDOG,
		     &tmrptr->tcr);
}

/* SPI support */
void __init txx9_spi_init(int busid, unsigned long base, int irq)
{
	struct resource res[] = {
		{
			.start	= base,
			.end	= base + 0x20 - 1,
			.flags	= IORESOURCE_MEM,
		}, {
			.start	= irq,
			.flags	= IORESOURCE_IRQ,
		},
	};
	platform_device_register_simple("spi_txx9", busid,
					res, ARRAY_SIZE(res));
}

void __init txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr)
{
	struct platform_device *pdev =
		platform_device_alloc("tc35815-mac", id);
	if (!pdev ||
	    platform_device_add_data(pdev, ethaddr, 6) ||
	    platform_device_add(pdev))
		platform_device_put(pdev);
}

void __init txx9_sio_init(unsigned long baseaddr, int irq,
			  unsigned int line, unsigned int sclk, int nocts)
{
#ifdef CONFIG_SERIAL_TXX9
	struct uart_port req;

	memset(&req, 0, sizeof(req));
	req.line = line;
	req.iotype = UPIO_MEM;
	req.membase = ioremap(baseaddr, 0x24);
	req.mapbase = baseaddr;
	req.irq = irq;
	if (!nocts)
		req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
	if (sclk) {
		req.flags |= UPF_MAGIC_MULTIPLIER /*USE_SCLK*/;
		req.uartclk = sclk;
	} else
		req.uartclk = TXX9_IMCLK;
	early_serial_txx9_setup(&req);
#endif /* CONFIG_SERIAL_TXX9 */
}

#ifdef CONFIG_EARLY_PRINTK
static void __init null_prom_putchar(char c)
{
}
void (*txx9_prom_putchar)(char c) __initdata = null_prom_putchar;

void __init prom_putchar(char c)
{
	txx9_prom_putchar(c);
}

static void __iomem *early_txx9_sio_port;

static void __init early_txx9_sio_putchar(char c)
{
#define TXX9_SICISR	0x0c
#define TXX9_SITFIFO	0x1c
#define TXX9_SICISR_TXALS	0x00000002
	while (!(__raw_readl(early_txx9_sio_port + TXX9_SICISR) &
		 TXX9_SICISR_TXALS))
		;
	__raw_writel(c, early_txx9_sio_port + TXX9_SITFIFO);
}

void __init txx9_sio_putchar_init(unsigned long baseaddr)
{
	early_txx9_sio_port = ioremap(baseaddr, 0x24);
	txx9_prom_putchar = early_txx9_sio_putchar;
}
#endif /* CONFIG_EARLY_PRINTK */

/* wrappers */
void __init plat_mem_setup(void)
{
	ioport_resource.start = 0;
	ioport_resource.end = ~0UL;	/* no limit */
	iomem_resource.start = 0;
	iomem_resource.end = ~0UL;	/* no limit */

	/* fallback restart/halt routines */
	_machine_restart = (void (*)(char *))txx9_machine_halt;
	_machine_halt = txx9_machine_halt;
	pm_power_off = txx9_machine_halt;

#ifdef CONFIG_PCI
	pcibios_plat_setup = txx9_pcibios_setup;
#endif
	txx9_board_vec->mem_setup();
}

void __init arch_init_irq(void)
{
	txx9_board_vec->irq_setup();
}

void __init plat_time_init(void)
{
#ifdef CONFIG_CPU_TX49XX
	mips_hpt_frequency = txx9_cpu_clock / 2;
#endif
	txx9_board_vec->time_init();
}

static int __init _txx9_arch_init(void)
{
	if (txx9_board_vec->arch_init)
		txx9_board_vec->arch_init();
	return 0;
}
arch_initcall(_txx9_arch_init);

static int __init _txx9_device_init(void)
{
	if (txx9_board_vec->device_init)
		txx9_board_vec->device_init();
	return 0;
}
device_initcall(_txx9_device_init);

int (*txx9_irq_dispatch)(int pending);
asmlinkage void plat_irq_dispatch(void)
{
	int pending = read_c0_status() & read_c0_cause() & ST0_IM;
	int irq = txx9_irq_dispatch(pending);

	if (likely(irq >= 0))
		do_IRQ(irq);
	else
		spurious_interrupt();
}

/* see include/asm-mips/mach-tx39xx/mangle-port.h, for example. */
#ifdef NEEDS_TXX9_SWIZZLE_ADDR_B
static unsigned long __swizzle_addr_none(unsigned long port)
{
	return port;
}
unsigned long (*__swizzle_addr_b)(unsigned long port) = __swizzle_addr_none;
EXPORT_SYMBOL(__swizzle_addr_b);
#endif

#ifdef NEEDS_TXX9_IOSWABW
static u16 ioswabw_default(volatile u16 *a, u16 x)
{
	return le16_to_cpu(x);
}
static u16 __mem_ioswabw_default(volatile u16 *a, u16 x)
{
	return x;
}
u16 (*ioswabw)(volatile u16 *a, u16 x) = ioswabw_default;
EXPORT_SYMBOL(ioswabw);
u16 (*__mem_ioswabw)(volatile u16 *a, u16 x) = __mem_ioswabw_default;
EXPORT_SYMBOL(__mem_ioswabw);
#endif

void __init txx9_physmap_flash_init(int no, unsigned long addr,
				    unsigned long size,
				    const struct physmap_flash_data *pdata)
{
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
	struct resource res = {
		.start = addr,
		.end = addr + size - 1,
		.flags = IORESOURCE_MEM,
	};
	struct platform_device *pdev;
#ifdef CONFIG_MTD_PARTITIONS
	static struct mtd_partition parts[2];
	struct physmap_flash_data pdata_part;

	/* If this area contained boot area, make separate partition */
	if (pdata->nr_parts == 0 && !pdata->parts &&
	    addr < 0x1fc00000 && addr + size > 0x1fc00000 &&
	    !parts[0].name) {
		parts[0].name = "boot";
		parts[0].offset = 0x1fc00000 - addr;
		parts[0].size = addr + size - 0x1fc00000;
		parts[1].name = "user";
		parts[1].offset = 0;
		parts[1].size = 0x1fc00000 - addr;
		pdata_part = *pdata;
		pdata_part.nr_parts = ARRAY_SIZE(parts);
		pdata_part.parts = parts;
		pdata = &pdata_part;
	}
#endif
	pdev = platform_device_alloc("physmap-flash", no);
	if (!pdev ||
	    platform_device_add_resources(pdev, &res, 1) ||
	    platform_device_add_data(pdev, pdata, sizeof(*pdata)) ||
	    platform_device_add(pdev))
		platform_device_put(pdev);
#endif
}

#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
static DEFINE_SPINLOCK(txx9_iocled_lock);

#define TXX9_IOCLED_MAXLEDS 8

struct txx9_iocled_data {
	struct gpio_chip chip;
	u8 cur_val;
	void __iomem *mmioaddr;
	struct gpio_led_platform_data pdata;
	struct gpio_led leds[TXX9_IOCLED_MAXLEDS];
	char names[TXX9_IOCLED_MAXLEDS][32];
};

static int txx9_iocled_get(struct gpio_chip *chip, unsigned int offset)
{
	struct txx9_iocled_data *data =
		container_of(chip, struct txx9_iocled_data, chip);
	return data->cur_val & (1 << offset);
}

static void txx9_iocled_set(struct gpio_chip *chip, unsigned int offset,
			    int value)
{
	struct txx9_iocled_data *data =
		container_of(chip, struct txx9_iocled_data, chip);
	unsigned long flags;
	spin_lock_irqsave(&txx9_iocled_lock, flags);
	if (value)
		data->cur_val |= 1 << offset;
	else
		data->cur_val &= ~(1 << offset);
	writeb(data->cur_val, data->mmioaddr);
	mmiowb();
	spin_unlock_irqrestore(&txx9_iocled_lock, flags);
}

static int txx9_iocled_dir_in(struct gpio_chip *chip, unsigned int offset)
{
	return 0;
}

static int txx9_iocled_dir_out(struct gpio_chip *chip, unsigned int offset,
			       int value)
{
	txx9_iocled_set(chip, offset, value);
	return 0;
}

void __init txx9_iocled_init(unsigned long baseaddr,
			     int basenum, unsigned int num, int lowactive,
			     const char *color, char **deftriggers)
{
	struct txx9_iocled_data *iocled;
	struct platform_device *pdev;
	int i;
	static char *default_triggers[] __initdata = {
		"heartbeat",
		"ide-disk",
		"nand-disk",
		NULL,
	};

	if (!deftriggers)
		deftriggers = default_triggers;
	iocled = kzalloc(sizeof(*iocled), GFP_KERNEL);
	if (!iocled)
		return;
	iocled->mmioaddr = ioremap(baseaddr, 1);
	if (!iocled->mmioaddr)
		return;
	iocled->chip.get = txx9_iocled_get;
	iocled->chip.set = txx9_iocled_set;
	iocled->chip.direction_input = txx9_iocled_dir_in;
	iocled->chip.direction_output = txx9_iocled_dir_out;
	iocled->chip.label = "iocled";
	iocled->chip.base = basenum;
	iocled->chip.ngpio = num;
	if (gpiochip_add(&iocled->chip))
		return;
	if (basenum < 0)
		basenum = iocled->chip.base;

	pdev = platform_device_alloc("leds-gpio", basenum);
	if (!pdev)
		return;
	iocled->pdata.num_leds = num;
	iocled->pdata.leds = iocled->leds;
	for (i = 0; i < num; i++) {
		struct gpio_led *led = &iocled->leds[i];
		snprintf(iocled->names[i], sizeof(iocled->names[i]),
			 "iocled:%s:%u", color, i);
		led->name = iocled->names[i];
		led->gpio = basenum + i;
		led->active_low = lowactive;
		if (deftriggers && *deftriggers)
			led->default_trigger = *deftriggers++;
	}
	pdev->dev.platform_data = &iocled->pdata;
	if (platform_device_add(pdev))
		platform_device_put(pdev);
}
#else /* CONFIG_LEDS_GPIO */
void __init txx9_iocled_init(unsigned long baseaddr,
			     int basenum, unsigned int num, int lowactive,
			     const char *color, char **deftriggers)
{
}
#endif /* CONFIG_LEDS_GPIO */