aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/rdc-2.6/patches/000-rdc_fixes.patch
blob: 7d6fa3af320b8003d29b8a25e21168be67db0574 (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
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
diff -urN linux-2.6.19/arch/i386/Kconfig linux-2.6.19.new/arch/i386/Kconfig
--- linux-2.6.19/arch/i386/Kconfig	2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/arch/i386/Kconfig	2006-12-17 17:13:33.000000000 +0100
@@ -180,6 +180,14 @@
 	  Only choose this option if you have such a system, otherwise you
 	  should say N here.
 
+config X86_RDC
+	bool "Support for RDC 3211 boards"
+	help
+	  Support for RDC 3211 systems. Say 'Y' here if the kernel is 
+	  supposed to run on an IA-32 RDC R3211 system.
+	  Only choose this option if you have such as system, otherwise you
+	  should say N here.
+
 endchoice
 
 config ACPI_SRAT
diff -urN linux-2.6.19/arch/i386/Makefile linux-2.6.19.new/arch/i386/Makefile
--- linux-2.6.19/arch/i386/Makefile	2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/arch/i386/Makefile	2006-12-17 17:13:33.000000000 +0100
@@ -92,6 +92,10 @@
 mflags-$(CONFIG_X86_ES7000)	:= -Iinclude/asm-i386/mach-es7000
 mcore-$(CONFIG_X86_ES7000)	:= mach-default
 core-$(CONFIG_X86_ES7000)	:= arch/i386/mach-es7000/
+# RDC subarch support
+mflags-$(CONFIG_X86_RDC)	:= -Iinclude/asm-i386/mach-generic
+mcore-$(CONFIG_X86_RDC)		:= mach-default
+core-$(CONFIG_X86_RDC)		:= arch/i386/mach-rdc/
 
 # default subarch .h files
 mflags-y += -Iinclude/asm-i386/mach-default
diff -urN linux-2.6.19/arch/i386/kernel/time.c linux-2.6.19.new/arch/i386/kernel/time.c
--- linux-2.6.19/arch/i386/kernel/time.c	2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.new/arch/i386/kernel/time.c	2006-12-17 17:13:10.000000000 +0100
@@ -361,7 +361,8 @@
 static void __init hpet_time_init(void)
 {
 	struct timespec ts;
-	ts.tv_sec = get_cmos_time();
+	/* RDC board does not have CMOS */
+	ts.tv_sec = 0;
 	ts.tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ);
 
 	do_settimeofday(&ts);
diff -urN linux-2.6.19/arch/i386/mach-rdc/Makefile linux-2.6.19.new/arch/i386/mach-rdc/Makefile
--- linux-2.6.19/arch/i386/mach-rdc/Makefile	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.19.new/arch/i386/mach-rdc/Makefile	2006-12-17 17:13:33.000000000 +0100
@@ -0,0 +1,5 @@
+#
+# Makefile for the linux kernel.
+#
+
+obj-$(CONFIG_X86_RDC)        := led.o
diff -urN linux-2.6.19/arch/i386/mach-rdc/led.c linux-2.6.19.new/arch/i386/mach-rdc/led.c
--- linux-2.6.19/arch/i386/mach-rdc/led.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.19.new/arch/i386/mach-rdc/led.c	2006-12-17 17:13:33.000000000 +0100
@@ -0,0 +1,743 @@
+/*
+ * LED interface for WP3200
+ *
+ * Copyright (C) 2002, by Allen Hung
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/fcntl.h>
+#include <linux/sched.h>
+#include <linux/module.h>
+#include <linux/proc_fs.h>
+#include <linux/init.h>
+#include <linux/timer.h>
+#include <asm/io.h>
+#include <asm/uaccess.h>
+#include <asm/system.h>                       
+#include <linux/reboot.h>
+
+#include "led.h"
+
+#define BUF_LEN		30
+
+struct LED_DATA  {
+    char sts_buf[BUF_LEN+1];
+    unsigned long sts;
+};
+
+struct LED_DATA led_data[LED_DEV_NUM];
+// sam 
+unsigned long ul_ledstat = 0xffffffff;
+
+
+static struct timer_list blink_timer[LED_DEV_NUM];
+// sam 01-30-2004 for watchdog
+static struct timer_list watchdog;
+// end sam
+static char cmd_buf[BUF_LEN+1];
+
+//------------------------------------------------------------
+static long atoh(char *p) 
+{
+    long v = 0, c;
+    while ( (c = *p++) )  {
+        if      ( c >= '0' && c <= '9' )  v = (v << 4) + c - '0';
+        else if ( c >= 'a' && c <= 'f' )  v = (v << 4) + c - 'a' + 0xA;
+        else if ( c >= 'A' && c <= 'F' )  v = (v << 4) + c - 'A' + 0xA;
+        else  break;
+    }
+    return v;
+}
+
+static int reset_flash_default(void *data)
+{
+	char *argv[3], *envp[1] = {NULL};
+	int i = 0;
+	
+	int reset_default=(int) data;
+
+	argv[i++] = "/bin/flash";
+    argv[i++] = "default";
+	argv[i] = NULL;
+    if(reset_default)
+		if (call_usermodehelper(argv[0], argv, envp, 1))
+        	printk("failed to Reset to default\n");
+	machine_restart(0);
+	return 0;
+}
+
+// sam for ps 3205U -- using CSx1 (0xb0e00000)
+// bit map as following
+// BIT   1      2      3      4      5   
+//     POWER  WLEN   PORT1  PORT2  PORT3
+//
+// value 0 --> led on
+// value 1 --> led off
+
+#define _ROUTER_
+
+#ifdef _ROUTER_
+	#define LED_VAL         0x8000384C    // the data ofset of gpio 0~30
+#else
+	#define LED_VAL         0x80003888    // the ofset of gpio 31~58
+#endif
+#define GPIO_VAL	0x8000384C    // the offset of gpio 0-30 
+
+
+
+// sam 1-30-2004 LED status 
+// bit map as following
+// BIT 4:0  Link status   -->PHY Link ->1 = up, 0 = down
+#define LINK_STATUS     (*(unsigned long *)0xb2000014)
+#define WATCHDOG_VAL    (*(unsigned long *)0xb20000c0)
+#define WATCHDOG_PERIOD 500 // unit ms
+#define EXPIRE_TIME     300 // unit 10 ms
+#define CLEAR_TIMEER    0xffffa000l  // bit 14:0 -> count up timer, write 0 to clear
+#define ENABLE_WATCHDOG 0x80000000l  // bit 31 -> 1 enable , 0 disable watchdog
+#define WATCHDOG_SET_TMR_SHIFT 16    // bit 16:30 -> watchdog timer set
+// end sam
+
+ 
+//------------------------------------------------------------
+static void turn_led(int id, int on)
+{
+    unsigned long led_bit = 1 << (id);
+    unsigned long led_bit_val;
+
+    // since we define we have 8 led devices and use gpio 53, 55, 57, 58 
+    // which locate at bit21~26, so we  rotate left 20bit  
+	
+#ifdef _ROUTER_ 	
+    led_bit_val = led_bit;
+#else   
+    led_bit_val = led_bit << 20;
+#endif	
+	
+    switch ( on ) {
+      case 0:  
+               	ul_ledstat|=  led_bit_val;
+               	outl(LED_VAL, 0xcf8);
+               	outl(ul_ledstat, 0xcfc);	
+		break; // LED OFF
+      case 1:  
+               	ul_ledstat &= ~led_bit_val;
+               	outl(LED_VAL, 0xcf8);
+               	outl(ul_ledstat, 0xcfc);
+		break; // LED ON
+      case 2:  
+               	ul_ledstat ^=  led_bit_val;
+               	outl(LED_VAL, 0xcf8);
+               	outl(ul_ledstat, 0xcfc);
+		break; // LED inverse
+    }
+}
+
+
+static int led_flash[30]={20,10,100,5,5,150,100,5,5,50,20,50,50,20,60,5,20,10,30,10,5,10,50,2,5,5,5,70,10,50};//Erwin
+static unsigned int    wlan_counter;    //Erwin
+static void blink_wrapper(u_long id)
+{
+    u_long sts = led_data[id].sts;
+
+    if ( (sts & LED_BLINK_CMD) == LED_BLINK_CMD )  {
+	unsigned long period = sts & LED_BLINK_PERIOD;
+	if(period == 0xffff)		// BLINK random
+	{
+		blink_timer[id].expires = jiffies + 3*led_flash[wlan_counter%30]*HZ/1000;
+		wlan_counter++;
+	}
+	else
+		blink_timer[id].expires = jiffies + (period * HZ / 1000);
+	turn_led(id, 2);
+	add_timer(&blink_timer[id]);
+    }
+    else if ( sts == LED_ON || sts == LED_OFF )
+	turn_led(id, sts==LED_ON ? 1 : 0);
+}
+//------------------------------------------------------------
+static void get_token_str(char *str, char token[][21], int token_num)
+{
+    int t, i;
+
+    for ( t = 0 ; t < token_num ; t++ )  {
+    	memset(token[t], 0, 21);
+    	while ( *str == ' ' )  str++;
+    	for ( i = 0 ; str[i] ; i++ )  {
+    	    if ( str[i] == '\t' || str[i] == ' ' || str[i] == '\n' )  break;
+    	    if ( i < 20 )  token[t][i] = str[i];
+    	}
+    	str += i;
+    }
+}
+
+//------------------------------------------------------------
+static void set_led_status_by_str(int id)
+{
+    char token[3][21], *p;
+
+    
+    get_token_str(led_data[id].sts_buf, token, 3);
+	
+    if ( strcmp(token[0], "LED") ) 
+	{
+        goto set_led_off;
+	}
+    if ( !strcmp(token[1], "ON") )  
+	{
+		
+    	turn_led(id, 1);
+    	led_data[id].sts = LED_ON;
+    }
+    else if ( !strcmp(token[1], "OFF") )  
+	{
+		
+	    goto set_led_off;
+    }
+    else if ( !strcmp(token[1], "BLINK") ) 
+	{
+    	unsigned int period = 0;
+    	p = token[2];
+    	if ( !strcmp(p, "FAST") )
+    	    period = LED_BLINK_FAST & LED_BLINK_PERIOD;
+    	else if ( !strcmp(p, "SLOW") )
+    	    period = LED_BLINK_SLOW & LED_BLINK_PERIOD;
+    	else if ( !strcmp(p, "EXTRA_SLOW") )
+    	    period = LED_BLINK_EXTRA_SLOW & LED_BLINK_PERIOD;
+    	else if ( !strcmp(p, "RANDOM") )
+    	    period = LED_BLINK_RANDOM & LED_BLINK_PERIOD;
+    	else if ( !strcmp(p, "OFF") )
+	    goto set_led_off;
+	else if ( *p >= '0' && *p <= '9' )  
+	{
+    		while ( *p >= '0' && *p <= '9' )
+    	        period = period * 10 + (*p++) - '0';
+//    		if ( period > 10000 )  
+//			period = 10000;
+	}
+	else
+    		period = LED_BLINK & LED_BLINK_PERIOD;
+	
+    	if ( period == 0 )
+    	    goto set_led_off;
+		
+	sprintf(led_data[id].sts_buf, "LED BLINK %d\n", period);
+    	led_data[id].sts = LED_BLINK_CMD + period;
+    	turn_led(id, 2);
+     // Set timer for next blink
+	del_timer(&blink_timer[id]);
+        blink_timer[id].function = blink_wrapper;
+        blink_timer[id].data = id;
+        init_timer(&blink_timer[id]);
+        
+	blink_timer[id].expires = jiffies + (1000 * HZ / 1000);
+        
+	add_timer(&blink_timer[id]);
+    }
+    else
+	{
+        goto set_led_off;
+	}
+    return;
+  set_led_off:
+    strcpy(led_data[id].sts_buf, "LED OFF\n");
+    led_data[id].sts = LED_OFF;
+    turn_led(id, 0);
+}
+
+//----------------------------------------------------------------------
+static int led_read_proc(char *buf, char **start, off_t fpos, int length, int *eof, void *data)
+{
+    int len, dev;
+
+    for ( len = dev = 0 ; dev < LED_DEV_NUM ; dev++ )  {
+    	len += sprintf(buf+len, "%d: %s", dev, led_data[dev].sts_buf);
+    }
+    len = strlen(buf) - fpos;
+    if ( len <= 0 ) {
+	*start = buf;
+	*eof = 1;
+	return 0;
+    }
+    *start = buf + fpos;
+    if ( len <= length )   *eof = 1;
+    return len < length ? len : length;
+}
+
+//----------------------------------------------------------------------
+static int led_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+{
+    int id = (int)file->private_data;
+
+    switch ( cmd )  {
+      case LED_ON:
+    	strcpy(led_data[id].sts_buf, "LED ON\n");
+	set_led_status_by_str(id);
+	break;
+      case LED_OFF:
+    	strcpy(led_data[id].sts_buf, "LED OFF\n");
+	set_led_status_by_str(id);
+	break;
+      default:
+        if ( (cmd & LED_BLINK_CMD) != LED_BLINK_CMD )
+		{
+	    break;
+		}
+      case LED_BLINK:
+      case LED_BLINK_FAST:
+      case LED_BLINK_SLOW:
+      case LED_BLINK_EXTRA_SLOW:
+      case LED_BLINK_RANDOM:
+        sprintf(led_data[id].sts_buf, "LED BLINK %d\n", (int)(cmd & LED_BLINK_PERIOD));
+	set_led_status_by_str(id);
+	break;
+    }
+    return 0;
+}
+
+static int led_open(struct inode *inode, struct file *file)
+{
+    int led_id = MINOR(inode->i_rdev);
+//    unsigned long led_bit = 1 << (led_id);
+
+    if ( led_id >= LED_DEV_NUM )
+        return -ENODEV;
+/* sam 12/02/2003
+    GPIO_SEL_I_O &= ~led_bit;   // 0 to GPIO
+    GPIO_O_EN |= (led_bit << 16);   // 0 to Output
+*/	
+	
+    file->private_data = (void*)led_id;
+    return 0;
+}
+
+static long led_read(struct file *file, char *buf, size_t count, loff_t *fpos)
+{
+    int  rem, len;
+    int  id = (int)file->private_data;
+    char *p = led_data[id].sts_buf;
+
+    len = strlen(p);
+    rem = len - *fpos;
+    if ( rem <= 0 )  {
+    	*fpos = len;
+    	return 0;
+    }
+    if ( rem > count )   rem = count;
+    memcpy(buf, p+(*fpos), rem);
+    *fpos += rem;
+    return rem;
+}
+
+static long led_write(struct file *file, char *buf, size_t count, loff_t *fpos)
+{
+    int  len;
+    int  id = (int)file->private_data;
+    char *p = id == REG_MINOR ? cmd_buf : led_data[id].sts_buf;
+    memset(p, 0, BUF_LEN);
+
+    p += *fpos;
+    len = 0;
+
+	
+    while ( count > 0 )  
+	{
+		
+    	if ( *fpos < BUF_LEN )  
+		{
+    	    int c = *buf++;
+            p[len] = c>='a' && c<='z' ? c-'a'+'A' : c;
+        }
+    	(*fpos)++;
+	    len++;
+    	count--;
+    }
+	// sam
+    set_led_status_by_str(id);
+	(*fpos) = 0;
+	//
+	
+    return len;
+}
+
+static int led_flush(struct file *file)
+{
+    int  id = (int)file->private_data;
+
+    if ( file->f_mode & FMODE_WRITE )
+	{
+    	set_led_status_by_str(id);
+	}
+    return 0;
+}
+
+static struct file_operations led_fops = {
+    read:	led_read,
+    write:	led_write,
+    flush:	led_flush,
+    ioctl:	led_ioctl,
+    open:	led_open,
+};
+
+//----------------------------------------------
+static unsigned long *reg_addr;
+static int  dump_len;
+
+static int dump_content(char *buf)
+{
+    return 0;
+}
+
+static long gpio_read(struct file *file, char *buf, size_t count, loff_t *fpos)
+{
+    int  rem, len;
+    int  id = (int)file->private_data;
+    char temp[80*10];
+    unsigned long gpio_regval =0;
+
+	outl(GPIO_VAL, 0xcf8);
+    gpio_regval = inl(0xcfc);
+	gpio_regval |= 0x40;
+	outl(gpio_regval, 0xcfc);   // each in, need out 1 first
+	gpio_regval = inl(0xcfc);
+					
+	
+    // sam debug
+    //printk(KERN_ERR "gpio_id:%d, gpio_regval:%08X\n", id, gpio_regval);
+    //end sam 
+    
+    if ( id < GPIO_DEV_NUM )  {
+        int  gpio_bit = 1 << id;
+
+        len = sprintf(temp, "%d\n", (gpio_regval & gpio_bit) ? 1 : 0);
+    }
+    else   // REG device
+        len = dump_content(temp);
+    rem = len - *fpos;
+    if ( rem <= 0 )  {
+    	*fpos = len;
+    	return 0;
+    }
+    if ( rem > count )   rem = count;
+    memcpy(buf, temp+(*fpos), rem);
+    *fpos += rem;
+    return rem;
+}
+
+static int gpio_flush(struct file *file)
+{
+    return 0;
+}
+
+static int gpio_open(struct inode *inode, struct file *file)
+{
+    int id = MINOR(inode->i_rdev);
+    if ( id >= GPIO_DEV_NUM && id != REG_MINOR )
+        return -ENODEV;
+    file->private_data = (void*)id;
+    return 0;
+}
+
+static struct file_operations gpio_fops = {
+    read:	gpio_read,
+    open:	gpio_open,
+    flush:	gpio_flush,
+    write:	led_write,
+};
+
+// ---------------------------------------------
+//  sam 1-30-2004 LAN_STATUS Device
+
+//static unsigned long *reg_addr;
+//static int  dump_len;
+
+//static int lanSt_content(char *buf)
+//{
+//    int  i, j, len;
+//    unsigned long *p = (unsigned long *)0xb2000014;  // PHY_ST 
+// //    j = dump_len/4 + ((dump_len&3) ? 1 : 0);
+//    len = sprintf(buf, "Reg Addr = %08lX,  Value = \n", (unsigned long)p);
+// //    for ( i = 0 ; i < j ; i++, p++ )
+//    len += sprintf(buf+len,"%08lX\n", *p);
+    
+//    return len;
+//}
+
+#define MAC_IOBASE 0xe800 // Eth0
+#define PHY_ADDR   1      // For Eth0
+#define MII_STATUS_ADDR 1
+// where "id" value means which bit of PHY reg 1 we want to check  
+static long lanSt_read(struct file *file, char *buf, size_t count, loff_t *fpos)
+{
+    int  rem, len;
+//  unsigned long *p = (unsigned long *)0xb2000014;  // PHY_ST 
+    unsigned short status;
+    unsigned int   i = 0;
+    int  id = (int)file->private_data;
+    char temp[80*10];
+    
+    outw(0x2000 + MII_STATUS_ADDR + (PHY_ADDR << 8), MAC_IOBASE + 0x20);
+    do{}while( (i++ < 2048) && (inw(MAC_IOBASE+0x20) & 0x2000) );
+
+    status = inw(MAC_IOBASE + 0x24);
+    
+    // sam debug
+    //printk(KERN_ERR "PHY REG1 Status:%04x\n", status );
+    // end sam
+    
+    if ( id < LAN_DEV_NUM )  {
+        unsigned long lanSt_bit = 1 << id;
+//        len = lanSt_content(temp);
+        len = sprintf(temp, "%d\n",(status & lanSt_bit) ? 1 : 0);
+    }
+    else   // REG device
+    {
+        len = sprintf(temp, "-1\n");
+    }   
+    rem = len - *fpos;
+    if ( rem <= 0 )  {
+    	*fpos = len;
+    	return 0;
+    }
+    if ( rem > count )   rem = count;
+    memcpy(buf, temp+(*fpos), rem);
+    *fpos += rem;
+    return rem;
+}
+
+static int lanSt_flush(struct file *file)
+{
+    return 0;
+}
+
+static int lanSt_open(struct inode *inode, struct file *file)
+{
+    int id = MINOR(inode->i_rdev);
+    if ( id >= LAN_DEV_NUM && id != REG_MINOR )
+        return -ENODEV;
+    file->private_data = (void*)id;
+    return 0;
+}
+
+static struct file_operations lanSt_fops = {
+    read:	lanSt_read,
+    open:	lanSt_open,
+    flush:	lanSt_flush,
+    write:	led_write,
+};
+
+//----------------------------------------------
+static int SwResetPress = 0;
+static int SwResetCounter = 0;
+static int RebootFlag = 0;
+static void watchdog_wrapper(unsigned int period)
+{
+    	// { RexHua add for restore default, by press SwReset 5 second, 2 sec to restart
+#if 0		// 
+	u_long reg;
+
+   	outl(GPIO_VAL, 0xcf8);
+   	reg = inl(0xcfc);
+   	reg |= 0x40;
+   	outl(reg, 0xcfc);	// each in, need out 1 first
+   	reg = inl(0xcfc);
+
+   	if( (reg & 0x40) == 0)
+   	{
+		if(SwResetPress == 0)
+		{	
+			SwResetCounter=0;
+			strcpy(led_data[15].sts_buf, "LED BLINK 500\n" );
+			set_led_status_by_str(15);
+		}
+		SwResetPress=1;
+		printk("SwReset press!\n");
+
+    }
+    else
+	{
+		if(SwResetPress=1)
+		{
+			strcpy(led_data[15].sts_buf, "LED ON\n" );
+               set_led_status_by_str(15);
+		}
+		
+		SwResetPress=0;
+		if(RebootFlag == 1)
+			machine_restart(0);
+	}
+
+	if(SwResetPress == 1)
+  	{
+		if(SwResetCounter > 10)
+		{
+			turn_led(15, 0);
+//			kernel_thread(reset_flash_default, 1, SIGCHLD);
+			reset_flash_default(1);
+			turn_led(15, 1);
+		}
+		else if(SwResetCounter == 3)
+		{
+			RebootFlag=1;
+			strcpy(led_data[15].sts_buf, "LED BLINK 100\n" );
+			set_led_status_by_str(15);
+		}
+	}		
+
+	SwResetCounter++;
+#endif
+	
+	// clear timer count
+	outl(0x80003844, 0xcf8);
+	outl(0x00800080, 0xcfc); // enable watchdog and set the timeout = 1.34s
+    //printk(KERN_ERR "wdt\n" );
+	watchdog.expires = jiffies + (period * HZ / 1000);
+	add_timer(&watchdog);
+}
+
+//----------------------------------------------
+static int init_status;
+
+#define INIT_REGION	        0x01
+#define INIT_LED_REGISTER	0x02
+#define INIT_LED_PROC_READ	0x04
+#define INIT_GPIO_REGISTER	0x08
+// sam 1-30-2004 LAN_STATUS
+#define INIT_LAN_STATUS_REGISTER 0x10
+#define INIT_WATCHDOG_REGISTER 0x20
+
+static void led_exit(void)
+{
+    int id;
+    for ( id = 0 ; id < LED_DEV_NUM ; id++ )  {
+        del_timer(&blink_timer[id]);
+        turn_led(id, 0);
+    }
+    if ( init_status & INIT_LED_PROC_READ )
+    	remove_proc_entry("driver/led", NULL);
+    	
+    if ( init_status & INIT_LED_REGISTER )
+    	unregister_chrdev(LED_MAJOR, "led");
+
+    if ( init_status & INIT_GPIO_REGISTER )
+    	unregister_chrdev(GPIO_MAJOR, "gpio");
+    // sam 1-30-2004 
+    
+    if( init_status & INIT_LAN_STATUS_REGISTER )
+      unregister_chrdev(LAN_STATUS_MAJOR, "lanSt");
+    
+    if( init_status & INIT_WATCHDOG_REGISTER)
+       del_timer(&watchdog);
+    
+    
+    // end sam
+
+}
+
+static int __init led_init(void)
+{
+    int result, id, i, j;
+    unsigned long reg;
+    init_status = 0;
+	
+  //----- register device (LED)-------------------------
+  
+                                                                                        
+    result = register_chrdev(LED_MAJOR, "led", &led_fops);
+    if ( result < 0 )   {
+    	printk(KERN_ERR "led: can't register char device\n" );
+    	led_exit();
+    	return result;
+    }
+    init_status |= INIT_LED_REGISTER;
+  //----- register device (GPIO)-------------------------
+    result = register_chrdev(GPIO_MAJOR, "gpio", &gpio_fops);
+    if ( result < 0 )   {
+    	printk(KERN_ERR "gpio: can't register char device\n" );
+    	led_exit();
+    	return result;
+    }
+    init_status |= INIT_GPIO_REGISTER;
+    
+  // sam 1-30-2004 LAN Status
+  // ----- register device (LAN_STATUS)-------------------
+  
+  //--> sam 5-1802995
+  
+    result = register_chrdev(LAN_STATUS_MAJOR, "lanSt", &lanSt_fops);
+    if ( result < 0 )   {
+    	printk(KERN_ERR "lanSt: can't register char device\n" );
+    	led_exit();
+    	return result;
+    }
+    init_status |= INIT_LAN_STATUS_REGISTER;
+  
+  // <-- end sam
+    
+ // -----------init watchdog timer-------------------------
+	 //del_timer(&blink_timer[id]);
+
+    outl(0x80003840, 0xcf8);
+    reg = inl(0xcfc);
+    reg |= 0x1600;         // ensable SRC bit 
+    outl(reg, 0xcfc);
+#ifdef _ROUTER_
+    outl(0x80003848, 0xcf8);
+    reg = inl(0xcfc);
+    reg |= 0x18040; 		// enable GPIO, PowerLED:15, WLAN_LED0:16, SwReset:6 
+    outl(reg, 0xcfc);
+    
+    outl(0x8000384c, 0xcf8);
+    reg = inl(0xcfc);
+    reg |= 0x40;         	// output SwReset:6 1, Set SwReset as Input 
+    outl(reg, 0xcfc);
+#endif
+    // sam debug
+    //reg = inl(0xcfc);
+    //printk(KERN_ERR "REG40:%08X\n", reg);
+    // end sam
+    outl(0x80003844, 0xcf8);
+    outl(0x00800080, 0xcfc); // enable watchdog and set the timeout = 1.34s
+    
+    watchdog.function = watchdog_wrapper;
+    watchdog.data = WATCHDOG_PERIOD;
+    init_timer(&watchdog);
+    watchdog.expires = jiffies + (WATCHDOG_PERIOD * HZ / 1000);
+    add_timer(&watchdog);
+    init_status |= INIT_WATCHDOG_REGISTER;
+
+ // end sam   
+ //------ read proc -------------------
+    if ( !create_proc_read_entry("driver/led", 0, 0, led_read_proc, NULL) )  {
+	printk(KERN_ERR "led: can't create /proc/driver/led\n");
+    	led_exit();
+    	return -ENOMEM;
+    }
+    init_status |= INIT_LED_PROC_READ;
+  //------------------------------
+//    reg_addr = (unsigned long *)0xB4000000;
+//    dump_len = 4;
+    
+    for ( id = 0 ; id < LED_DEV_NUM ; id++ )  {
+    	strcpy(led_data[id].sts_buf, "LED ON\n" );
+    	set_led_status_by_str(id);
+    }
+
+//    for (i = 0; i < 0xffff; i++)
+//	    for (j = 0; j < 0x6000; j++);
+
+/* sam 5-18-2005 remark
+    for ( id = 0 ; id < LED_DEV_NUM ; id++ )  {
+        strcpy(led_data[id].sts_buf, "LED ON\n" );
+        set_led_status_by_str(id);
+    }
+*/    
+    printk(KERN_INFO "LED & GPIO & LAN Status Driver LED_VERSION \n");
+    return 0;
+}
+
+module_init(led_init);
+module_exit(led_exit);
+EXPORT_NO_SYMBOLS;
diff -urN linux-2.6.19/arch/i386/mach-rdc/led.h linux-2.6.19.new/arch/i386/mach-rdc/led.h
--- linux-2.6.19/arch/i386/mach-rdc/led.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.19.new/arch/i386/mach-rdc/led.h	2006-12-17 17:13:33.000000000 +0100
@@ -0,0 +1,32 @@
+#ifndef _LED_H_INCLUDED
+#define _LED_H_INCLUDED
+
+#include <linux/autoconf.h>
+
+#define LED_VERSION 		"v1.0"
+#define LED_MAJOR       	166
+#define LED_DEV_NUM		32 
+#define LED_GPIO_START      	1
+#define GPIO_MAJOR       	167
+#define GPIO_DEV_NUM		32
+#define REG_MINOR           	128
+// sam 1-30-2004 for LAN_STATUS
+#define LAN_STATUS_MAJOR   	168
+#define LAN_DEV_NUM     	5
+// end sam
+
+//#define GPIO_IO_BASE        0xB4002480
+//#define GPIO_IO_BASE        ((unsigned long)0xb20000b8)
+//#define GPIO_IO_EXTENT		0x40
+
+#define LED_ON              0x010000
+#define LED_OFF             0x020000
+#define LED_BLINK_CMD       0x030000
+#define LED_BLINK_PERIOD    0x00FFFF
+#define LED_BLINK           (LED_BLINK_CMD|1000)
+#define LED_BLINK_FAST      (LED_BLINK_CMD|250)
+#define LED_BLINK_SLOW      (LED_BLINK_CMD|500)
+#define LED_BLINK_EXTRA_SLOW    (LED_BLINK_CMD|2000)
+#define LED_BLINK_RANDOM    (LED_BLINK_CMD|0xffff)
+
+#endif