summaryrefslogtreecommitdiffstats
path: root/target/linux/pxa/patches/001-gumstix_verdex_pro_arch_support.patch
blob: aa05cfcfe0a56d7f42dbae4c484c7a57bb250b30 (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
From 4f4bb58cba3a6c44e9f9f113609287d9d50be9c4 Mon Sep 17 00:00:00 2001
From: Joseph Kortje <jpktech@rogers.com>
Date: Wed, 28 Oct 2009 21:11:28 -0400
Subject: [PATCH] [ARM] Gumstix Verdex Pro arch support

add an option for Verdex Pro when ARCH_GUMSTIX is selected, and
factor earlier Gumstix support into a seperate option

Signed-off-by: Bobby Powers <bobbypowers@gmail.com>
---
 arch/arm/mach-pxa/Kconfig                   |   29 +-
 arch/arm/mach-pxa/Makefile                  |    3 +-
 arch/arm/mach-pxa/gumstix-verdex.c          |  749 +++++++++++++++++++++++++++
 arch/arm/mach-pxa/include/mach/mfp-pxa27x.h |    1 +
 4 files changed, 772 insertions(+), 10 deletions(-)
 create mode 100644 arch/arm/mach-pxa/gumstix-verdex.c

--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -32,23 +32,34 @@ endmenu
 endif
 
 config ARCH_GUMSTIX
-	bool "Gumstix XScale 255 boards"
-	select PXA25x
+	bool "Gumstix boards"
 	help
-	  Say Y here if you intend to run this kernel on
-	  Basix, Connex, ws-200ax, ws-400ax systems
+        Say Y here if you intend to run this kernel on a
+	  gumstix computer.
 
-choice
-	prompt "Gumstix Carrier/Expansion Board"
 	depends on ARCH_GUMSTIX
 
-config GUMSTIX_AM200EPD
+config MACH_GUMSTIX_F
+	bool "Gumstix Basix/Connex ..."
+	depends on ARCH_GUMSTIX
+	select PXA25x
+
+ choice
+	prompt "Gumstix Carrier/Expansion Board"
+	depends on MACH_GUMSTIX_F
+
+ config GUMSTIX_AM200EPD
 	bool "Enable AM200EPD board support"
 
-config GUMSTIX_AM300EPD
+ config GUMSTIX_AM300EPD
 	bool "Enable AM300EPD board support"
 
-endchoice
+ endchoice
+
+config MACH_GUMSTIX_VERDEX
+	bool "Gumstix VERDEX ..."
+	depends on ARCH_GUMSTIX
+	select PXA27x
 
 config MACH_INTELMOTE2
 	bool "Intel Mote 2 Platform"
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -25,7 +25,8 @@ obj-$(CONFIG_CPU_PXA320)	+= pxa320.o
 obj-$(CONFIG_CPU_PXA930)	+= pxa930.o
 
 # Specific board support
-obj-$(CONFIG_ARCH_GUMSTIX)	+= gumstix.o
+obj-$(CONFIG_MACH_GUMSTIX_F)	+= gumstix.o
+obj-$(CONFIG_MACH_GUMSTIX_VERDEX)	+= gumstix-verdex.o
 obj-$(CONFIG_GUMSTIX_AM200EPD)	+= am200epd.o
 obj-$(CONFIG_GUMSTIX_AM300EPD)	+= am300epd.o
 obj-$(CONFIG_ARCH_LUBBOCK)	+= lubbock.o
--- /dev/null
+++ b/arch/arm/mach-pxa/gumstix-verdex.c
@@ -0,0 +1,749 @@
+/*
+ *  linux/arch/arm/mach-pxa/gumstix-verdex.c
+ *
+ *  Support for the Gumstix verdex motherboard.
+ *
+ *  Original Author:  Craig Hughes
+ *  Created:          Feb 14, 2008
+ *  Copyright:        Craig Hughes
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  Implemented based on lubbock.c by Nicolas Pitre and code from Craig
+ *  Hughes
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/i2c/tsc2007.h>
+
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+#include <asm/sizes.h>
+#include <asm/io.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/flash.h>
+
+#include <mach/mmc.h>
+#include <mach/udc.h>
+#include <mach/pxafb.h>
+#include <mach/ohci.h>
+#include <plat/i2c.h>
+#include <mach/pxa27x.h>
+#include <mach/pxa27x-udc.h>
+#include <mach/gpio.h>
+
+#include <mach/gumstix.h>
+
+#include "generic.h"
+
+#include <linux/delay.h>
+
+#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
+
+#include <linux/smsc911x.h>
+
+static struct resource verdex_smsc911x_resources[] = {
+	[0] = {
+		.name	= "smsc911x-memory",
+		.start  = PXA_CS1_PHYS,
+		.end    = PXA_CS1_PHYS + 0x000fffff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = IRQ_GPIO(GPIO_GUMSTIX_ETH0),
+		.end    = IRQ_GPIO(GPIO_GUMSTIX_ETH0),
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
+	},
+};
+
+static struct smsc911x_platform_config verdex_smsc911x_config = {
+	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
+	.flags		= SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
+	.phy_interface	= PHY_INTERFACE_MODE_MII,
+};
+
+static struct platform_device verdex_smsc911x_device = {
+	.name		= "smsc911x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(verdex_smsc911x_resources),
+	.resource	= verdex_smsc911x_resources,
+	.dev		= {
+		.platform_data = &verdex_smsc911x_config,
+	},
+};
+
+static void __init verdex_init_smsc911x(void)
+{
+
+        printk(KERN_INFO "Initializing Gumstix verdex smsc911x\n");
+
+	if (gpio_request(GPIO_GUMSTIX_ETH0_RST, "SMSC911x_ETH0_RST") != 0) {
+		printk(KERN_ERR "could not obtain gpio for SMSC911x_ETH0_RST\n");
+		goto err_request_gpio_eth0_rst;
+	}
+
+	if (gpio_request(GPIO_GUMSTIX_ETH0, "SMSC911x_ETH0_IRQ") != 0) {
+		printk(KERN_ERR "could not obtain gpio for SMSC911x_ETH0_IRQ\n");
+		goto err_request_gpio_eth0_irq;
+	}
+
+	if (gpio_direction_output(GPIO_GUMSTIX_ETH0_RST, 0) != 0) {
+		printk(KERN_ERR "could not set SMSC911x_ETH0_RST pin to output\n");
+		goto err_dir;
+	}
+
+	gpio_set_value(GPIO_GUMSTIX_ETH0_RST, 0);
+
+	msleep(500); // Hold RESET for at least 200ms
+
+	gpio_set_value(GPIO_GUMSTIX_ETH0_RST, 1);
+
+	msleep(50);
+
+	if (gpio_direction_input(GPIO_GUMSTIX_ETH0) != 0) {
+		printk(KERN_ERR "could not set SMSC911x_ETH0_IRQ pin to input\n");
+		goto err_dir;
+	}
+
+	gpio_export(GPIO_GUMSTIX_ETH0, 0);
+	platform_device_register(&verdex_smsc911x_device);
+	return;
+
+err_dir:
+	gpio_free(GPIO_GUMSTIX_ETH0_RST);
+
+err_request_gpio_eth0_irq:
+	gpio_free(GPIO_GUMSTIX_ETH0);
+
+err_request_gpio_eth0_rst:
+	return;
+}
+
+#else
+static void __init verdex_init_smsc911x(void) { return; }
+#endif
+
+static unsigned long verdex_pin_config[] = {
+    /* MMC */
+    GPIO32_MMC_CLK,
+    GPIO112_MMC_CMD,
+    GPIO92_MMC_DAT_0,
+    GPIO109_MMC_DAT_1,
+    GPIO110_MMC_DAT_2,
+    GPIO111_MMC_DAT_3,
+
+    /* BTUART */
+    GPIO42_BTUART_RXD,
+    GPIO43_BTUART_TXD,
+    GPIO44_BTUART_CTS,
+    GPIO45_BTUART_RTS,
+
+    /* STUART */
+    GPIO46_STUART_RXD,
+    GPIO47_STUART_TXD,
+
+    /* FFUART */
+    GPIO34_FFUART_RXD,
+    GPIO39_FFUART_TXD,
+
+    /* SSP 2 */
+    GPIO19_SSP2_SCLK,
+    GPIO14_SSP2_SFRM,
+    GPIO13_SSP2_TXD,
+    GPIO11_SSP2_RXD,
+
+    /* SDRAM and local bus */
+    GPIO49_nPWE,
+    GPIO15_nCS_1,
+
+    /* I2C */
+    GPIO117_I2C_SCL,
+    GPIO118_I2C_SDA,
+
+    /* PWM 0 */
+    GPIO16_PWM0_OUT,
+
+    /* BRIGHTNESS */
+    GPIO17_PWM1_OUT,
+
+    /* LCD */
+    GPIO58_LCD_LDD_0,
+    GPIO59_LCD_LDD_1,
+    GPIO60_LCD_LDD_2,
+    GPIO61_LCD_LDD_3,
+    GPIO62_LCD_LDD_4,
+    GPIO63_LCD_LDD_5,
+    GPIO64_LCD_LDD_6,
+    GPIO65_LCD_LDD_7,
+    GPIO66_LCD_LDD_8,
+    GPIO67_LCD_LDD_9,
+    GPIO68_LCD_LDD_10,
+    GPIO69_LCD_LDD_11,
+    GPIO70_LCD_LDD_12,
+    GPIO71_LCD_LDD_13,
+    GPIO72_LCD_LDD_14,
+    GPIO73_LCD_LDD_15,
+    GPIO74_LCD_FCLK,
+    GPIO75_LCD_LCLK,
+    GPIO76_LCD_PCLK,
+#ifdef CONFIG_FB_PXA_SHARP_LQ043_PSP
+    /* DISP must be always high while screen is on */
+    /* Done below in verdex_init */
+#else
+    GPIO77_LCD_BIAS,
+#endif
+
+};
+
+#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
+
+static unsigned long gpio_ntschg_0[] = {
+	GPIO104_GPIO,			// pxa_gpio_mode(GPIO_GUMSTIX_nCD_0_MD);
+};
+
+static unsigned long gpio_ntschg_1[] = {
+	GPIO18_GPIO,			// pxa_gpio_mode(GPIO_GUMSTIX_nSTSCHG_1_MD);
+	GPIO36_GPIO,			// pxa_gpio_mode(GPIO_GUMSTIX_nCD_1_MD);
+	GPIO27_GPIO,			// pxa_gpio_mode(GPIO_GUMSTIX_PRDY_nBSY_1_MD);
+};
+
+static unsigned long gpio_prdy_nbsy_old[] = {
+	GPIO111_GPIO,			// pxa_gpio_mode(GPIO_GUMSTIX_nSTSCHG_0_MD);
+	GPIO109_GPIO,			// pxa_gpio_mode(GPIO_GUMSTIX_PRDY_nBSY_0_OLD_MD);
+};
+
+static unsigned long gpio_prdy_nbsy[] = {
+	GPIO96_GPIO,			// pxa_gpio_mode(GPIO_GUMSTIX_PRDY_nBSY_0_MD);
+};
+
+static unsigned long gpio_nhw_init[] = {
+	GPIO48_nPOE,			// pxa_gpio_mode(GPIO_GUMSTIX_nPOE_MD);
+	GPIO102_nPCE_1,			// pxa_gpio_mode(GPIO_GUMSTIX_nPCE_1_MD);
+	GPIO105_nPCE_2,			// pxa_gpio_mode(GPIO_GUMSTIX_nPCE_2_MD);
+	GPIO104_GPIO,			// pxa_gpio_mode(GPIO_GUMSTIX_nCD_0_MD);
+
+	GPIO49_nPWE,			// pxa_gpio_mode(GPIO_GUMSTIX_nPWE_MD);
+	GPIO50_nPIOR,			// pxa_gpio_mode(GPIO_GUMSTIX_nPIOR_MD);
+	GPIO51_nPIOW,			// pxa_gpio_mode(GPIO_GUMSTIX_nPIOW_MD);
+	GPIO79_PSKTSEL,			// pxa_gpio_mode(GPIO_GUMSTIX_pSKTSEL_MD);
+	GPIO55_nPREG,			// pxa_gpio_mode(GPIO_GUMSTIX_nPREG_MD);
+	GPIO56_nPWAIT,			// pxa_gpio_mode(GPIO_GUMSTIX_nPWAIT_MD);
+	GPIO57_nIOIS16,			// pxa_gpio_mode(GPIO_GUMSTIX_nIOIS16_MD);
+};
+
+static	int net_cf_vx_mode = 0;
+static	int pcmcia_cf_nr = 2; 
+
+inline void __init gumstix_pcmcia_cpld_clk(void)
+{
+	GPCR(GPIO_GUMSTIX_nPOE) = GPIO_bit(GPIO_GUMSTIX_nPOE);
+	GPSR(GPIO_GUMSTIX_nPOE) = GPIO_bit(GPIO_GUMSTIX_nPOE);
+}
+
+inline unsigned char __init gumstix_pcmcia_cpld_read_bits(int bits)
+{
+	unsigned char result = 0;
+	unsigned int shift = 0;
+	while(bits--)
+	{
+		result |= !!(GPLR(GPIO_GUMSTIX_nCD_0) & GPIO_bit(GPIO_GUMSTIX_nCD_0)) << shift;
+		shift ++;
+		gumstix_pcmcia_cpld_clk();
+	}
+	printk("CPLD responded with: %02x\n",result);
+	return result;
+}
+
+/* We use the CPLD on the CF-CF card to read a value from a shift register.  If we can read that
+ * magic sequence, then we have 2 CF cards; otherwise we assume just one
+ * The CPLD will send the value of the shift register on GPIO11 (the CD line for slot 0)
+ * when RESET is held in reset.  We use GPIO48 (nPOE) as a clock signal,
+ * GPIO52/53 (card enable for both cards) to control read/write to the shift register
+ */
+static void __init gumstix_count_cards(void)
+{
+
+	if ((gpio_request(GPIO_GUMSTIX_nPOE, "GPIO_GUMSTIX_nPOE") == 0) &&
+	    (gpio_direction_output(GPIO_GUMSTIX_nPOE, 1) == 0))
+		gpio_export(GPIO_GUMSTIX_nPOE, 0);
+	else
+		printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_nPOE\n");
+	
+	if ((gpio_request(GPIO_GUMSTIX_nPCE_1, "GPIO_GUMSTIX_nPCE_1") == 0) &&
+	    (gpio_direction_output(GPIO_GUMSTIX_nPCE_1, 1) == 0))
+		gpio_export(GPIO_GUMSTIX_nPCE_1, 0);
+	else
+		printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_nPCE_1\n");
+
+	if ((gpio_request(GPIO_GUMSTIX_nPCE_2, "GPIO_GUMSTIX_nPCE_2") == 0) &&
+	    (gpio_direction_output(GPIO_GUMSTIX_nPCE_2, 1) == 0))
+		gpio_export(GPIO_GUMSTIX_nPCE_2, 0);
+	else
+		printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_nPCE_2\n");
+
+	if ((gpio_request(GPIO_GUMSTIX_nCD_0, "GPIO_GUMSTIX_nCD_0") == 0) &&
+	    (gpio_direction_input(GPIO_GUMSTIX_nCD_0) == 0))
+		gpio_export(GPIO_GUMSTIX_nCD_0, 0);
+	else
+		printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_nCD_0\n");
+
+	if (net_cf_vx_mode) {
+		if ((gpio_request(GPIO_GUMSTIX_CF_OLD_RESET, "GPIO_GUMSTIX_CF_OLD_RESET") == 0) &&
+	    	    (gpio_direction_output(GPIO_GUMSTIX_CF_OLD_RESET, 1) == 0)) {
+			gpio_export(GPIO_GUMSTIX_CF_OLD_RESET, 0);
+		} else {
+			printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_CF_OLD_RESET\n");
+		}
+	} else {
+		if ((gpio_request(GPIO_GUMSTIX_CF_RESET, "GPIO_GUMSTIX_CF_RESET") == 0) &&
+	    	    (gpio_direction_output(GPIO_GUMSTIX_CF_RESET, 1) == 0)) {
+			gpio_export(GPIO_GUMSTIX_CF_RESET, 0);
+		} else {
+			printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_CF_RESET\n");
+		}
+	}
+
+	// Setup the shift register
+	GPSR(GPIO_GUMSTIX_nPCE_1) = GPIO_bit(GPIO_GUMSTIX_nPCE_1);
+	GPCR(GPIO_GUMSTIX_nPCE_2) = GPIO_bit(GPIO_GUMSTIX_nPCE_2);
+
+	// Tick the clock to program the shift register
+	gumstix_pcmcia_cpld_clk();
+
+	// Now set shift register into read mode
+	GPCR(GPIO_GUMSTIX_nPCE_1) = GPIO_bit(GPIO_GUMSTIX_nPCE_1);
+	GPSR(GPIO_GUMSTIX_nPCE_2) = GPIO_bit(GPIO_GUMSTIX_nPCE_2);
+
+	// We can read the bits now -- 0xC2 means "Dual compact flash"
+	if(gumstix_pcmcia_cpld_read_bits(8) != 0xC2)
+	{
+		// We do not have 2 CF slots
+		pcmcia_cf_nr = 1;
+	}
+
+	udelay(50);
+
+	if (net_cf_vx_mode) {
+		gpio_set_value(GPIO_GUMSTIX_CF_OLD_RESET, 0);
+		gpio_free(GPIO_GUMSTIX_CF_OLD_RESET);
+	} else {
+		gpio_set_value(GPIO_GUMSTIX_CF_RESET, 0);
+		gpio_free(GPIO_GUMSTIX_CF_RESET);
+	}
+
+	printk(KERN_INFO "found %d CF slots\n", pcmcia_cf_nr);
+
+	gpio_free(GPIO_GUMSTIX_nPCE_2);
+	gpio_free(GPIO_GUMSTIX_nPCE_1);
+	gpio_free(GPIO_GUMSTIX_nPOE);
+	return;
+}
+
+#define	SMC_IO_EXTENT	16
+#define	BANK_SELECT	14
+
+static void __init verdex_pcmcia_pin_config(void)
+{
+	struct resource *res;
+	void *network_controller_memory;
+	struct platform_device *pdev = &verdex_smsc911x_device;
+
+        printk(KERN_INFO "Initializing Gumstix verdex pcmcia\n");
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res == NULL) {
+		printk(KERN_ERR "no memory resource defined\n");
+		goto err_done;
+	}
+
+	res = request_mem_region(res->start, SMC_IO_EXTENT, "smc91x probe");
+	if (res == NULL) {
+		printk(KERN_ERR "failed to request memory resource\n");
+		goto err_done;
+	}
+
+	// We check for the possibility of SMSC91c111 (reg base offset 0x300 from CS1 base)
+	network_controller_memory = ioremap(res->start + 0x300, SMC_IO_EXTENT);
+	if (network_controller_memory == NULL) {
+		printk(KERN_ERR "failed to ioremap() registers\n");
+		goto err_free_mem;
+	}
+
+	// Look for the special 91c111 value in the bank select register
+	if((0xff00 & readw(network_controller_memory+BANK_SELECT)) == 0x3300) {
+		printk(KERN_INFO "Detected netCF-vx board: pcmcia using older GPIO configuration\n");
+		net_cf_vx_mode = 1;
+	} else {
+		printk(KERN_INFO "Not netCF-vx board: pcmcia using newer GPIO configuration\n");
+		net_cf_vx_mode = 0;
+	}
+
+	iounmap(network_controller_memory);
+err_free_mem:
+	release_mem_region(res->start, SMC_IO_EXTENT);
+err_done:
+
+	gumstix_count_cards();	// this can update pcmcia_cf_nr
+
+	// If pcmcia_cf_nr is 1 then we do not have 2 CF slots
+	// Note: logic sequence was altered from previous kernel revs
+	// so that this works as intended now.
+	if (pcmcia_cf_nr != 0)
+	{
+		pxa2xx_mfp_config(ARRAY_AND_SIZE(gpio_ntschg_0));
+
+		if(net_cf_vx_mode)
+			pxa2xx_mfp_config(gpio_prdy_nbsy_old, 1);
+		else
+			pxa2xx_mfp_config(gpio_prdy_nbsy, 1);
+
+	} else {
+		// Note: this reconfigures pin GPIO18 to be GPIO-IN so make
+		// sure that this only gets done for the old dual slot board
+		// since that pin is an active AF1 out-mode signal (RDY) on
+		// newer boards and changing the pin mode on the newer boards
+		// would result in memory corruption for the NIC (and hang during
+		// PHY test). 
+		pxa2xx_mfp_config(ARRAY_AND_SIZE(gpio_ntschg_1));
+	}
+
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(gpio_nhw_init));
+	return;
+}
+
+int __init gumstix_get_cf_cards(void)
+{
+	return pcmcia_cf_nr;
+}
+EXPORT_SYMBOL(gumstix_get_cf_cards);
+
+#ifdef CONFIG_MACH_GUMSTIX_VERDEX
+int __init gumstix_check_if_netCF_vx(void)
+{
+	return net_cf_vx_mode;
+}
+EXPORT_SYMBOL(gumstix_check_if_netCF_vx);
+#endif
+
+#endif
+
+#if defined(CONFIG_FB_PXA_SHARP_LQ043_PSP) || defined(CONFIG_FB_PXA_SAMSUNG_LTE430WQ_F0C)
+static void gumstix_lcd_backlight(int on_or_off)
+{
+	int err;
+	err = gpio_request(17, "LCD BACKLIGHT");
+	if (err) {
+		//pr_warning("Gumstix Verdex: Failed to request LCD Backlight gpio\n");
+		return;
+	}
+
+	if(on_or_off) {
+		gpio_direction_input(17);
+	} else {
+		GPCR(17) = GPIO_bit(17);
+		gpio_direction_output(17, 0);
+		GPCR(17) = GPIO_bit(17);
+	}
+
+	return;	
+}
+#endif
+
+#ifdef CONFIG_FB_PXA_ALPS_CDOLLAR
+static struct pxafb_mode_info gumstix_fb_mode = {
+	.pixclock	= 300000,
+	.xres		= 240,
+	.yres		= 320,
+	.bpp		= 16,
+	.hsync_len	= 2,
+	.left_margin	= 1,
+	.right_margin	= 1,
+	.vsync_len	= 3,
+	.upper_margin	= 0,
+	.lower_margin	= 0,
+	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mach_info gumstix_fb_info = {
+	.modes		= &gumstix_fb_mode,
+	.num_modes	= 1,
+	.lccr0		= LCCR0_Pas | LCCR0_Sngl | LCCR0_Color,
+	.lccr3		= LCCR3_PixFlEdg,
+};
+#elif defined(CONFIG_FB_PXA_SHARP_LQ043_PSP)
+static struct pxafb_mode_info gumstix_fb_mode = {
+	.pixclock	= 110000,
+	.xres		= 480,
+	.yres		= 272,
+	.bpp		= 16,
+	.hsync_len	= 41,
+	.left_margin	= 2,
+	.right_margin	= 2,
+	.vsync_len	= 10,
+	.upper_margin	= 2,
+	.lower_margin	= 2,
+	.sync		= 0, // Hsync and Vsync both active low
+};
+
+static struct pxafb_mach_info gumstix_fb_info = {
+	.modes			= &gumstix_fb_mode,
+	.num_modes		= 1,
+	.lccr0			= LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
+	.lccr3			= LCCR3_OutEnH | LCCR3_PixFlEdg | (0 << 30),
+	.pxafb_backlight_power	= &gumstix_lcd_backlight,
+};
+#elif defined(CONFIG_FB_PXA_SAMSUNG_LTE430WQ_F0C)
+static struct pxafb_mode_info gumstix_fb_mode = {
+	.pixclock	= 108696, // 9.2MHz typical DOTCLK from datasheet
+	.xres		= 480,
+	.hsync_len	= 41, // HLW from datasheet: 41 typ
+	.left_margin	= 4, // HBP - HLW from datasheet: 45 - 41 = 4
+	.right_margin	= 8, // HFP from datasheet: 8 typ
+	.yres		= 272,
+	.vsync_len	= 10, // VLW from datasheet: 10 typ
+	.upper_margin	= 2, // VBP - VLW from datasheet: 12 - 10 = 2
+	.lower_margin	= 4, // VFP from datasheet: 4 typ
+	.bpp		= 16,
+	.sync		= 0, // Hsync and Vsync both active low
+};
+
+static struct pxafb_mach_info gumstix_fb_info = {
+	.modes			= &gumstix_fb_mode,
+	.num_modes		= 1,
+	.lccr0			= LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
+	.lccr3			= LCCR3_OutEnH | LCCR3_PixFlEdg | (0 << 30),
+	.pxafb_backlight_power	= &gumstix_lcd_backlight,
+};
+#endif
+
+static struct platform_device verdex_audio_device = {
+    .name       = "pxa2xx-ac97",
+    .id         = -1,
+};
+
+static struct platform_device *devices[] __initdata = {
+    &verdex_audio_device,
+};
+
+/* PXA27x OHCI controller setup */
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static int ohci_verdex_init(struct device *dev)
+{
+	// Turn on port 2 in host mode
+	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
+
+	/* See drivers/usb/host/ohci-pxa27x.c for further details but
+           ENABLE_PORT_ALL flag is equivalent to using this old sequence:
+ 	UHCHR = (UHCHR) &
+		~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
+	*/
+	return 0;
+}
+
+static struct pxaohci_platform_data verdex_ohci_platform_data = {
+	.port_mode	= PMM_PERPORT_MODE,
+	.flags		= ENABLE_PORT_ALL,
+	.init		= ohci_verdex_init,
+};
+
+static void __init verdex_ohci_init(void)
+{
+	pxa_set_ohci_info(&verdex_ohci_platform_data);
+}
+#else
+static void __init verdex_ohci_init(void) {
+    printk(KERN_INFO "Gumstix verdex host usb ohci is disabled\n");
+}
+#endif
+
+
+#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
+static struct pxamci_platform_data verdex_mci_platform_data;
+
+static int verdex_mci_init(struct device *dev, irq_handler_t detect_int,
+                void *data)
+{
+    /* GPIO setup for MMC on the 120-pin connector is done in verdex_init.
+     * There is no card detect on a uSD connector so no interrupt to register.
+     * There is no WP detect GPIO line either.
+     */
+
+    return 0;
+}
+
+static struct pxamci_platform_data verdex_mci_platform_data = {
+    .ocr_mask   = MMC_VDD_32_33|MMC_VDD_33_34,
+    .init       = verdex_mci_init,
+};
+
+static void __init verdex_mmc_init(void)
+{
+    pxa_set_mci_info(&verdex_mci_platform_data);
+}
+#else
+static void __init verdex_mmc_init(void)
+{
+    printk(KERN_INFO "Gumstix verdex mmc disabled\n");
+}
+#endif
+
+#if defined(CONFIG_USB_GADGET_PXA2XX) || defined(CONFIG_USB_GADGET_PXA2XX_MODULE)
+static struct pxa2xx_udc_mach_info verdex_udc_info __initdata = {
+    .gpio_vbus      = GPIO35,
+    .gpio_pullup    = GPIO41,
+};
+
+static void __init verdex_udc_init(void)
+{
+    pxa_set_udc_info(&verdex_udc_info);
+}
+#else
+static void __init verdex_udc_init(void)
+{
+    printk(KERN_INFO "Gumstix verdex udc is disabled\n");
+}
+#endif
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+
+#if defined(CONFIG_TOUCHSCREEN_TSC2003) || defined(CONFIG_TOUCHSCREEN_TSC2003_MODULE)
+
+#define VERDEX_GPIO_PENDOWN	16
+
+static int tsc2003_init_platform_hw(void)
+{
+	return 0;
+}
+
+static void tsc2003_exit_platform_hw(void)
+{
+	return;
+}
+
+static void tsc2003_clear_penirq(void)
+{
+	return;
+}
+
+static int tsc2003_get_pendown_state(void)
+{
+	return !gpio_get_value(VERDEX_GPIO_PENDOWN);
+}
+
+static struct tsc2007_platform_data tsc2003_config = {
+	.model = 2003,
+	.x_plate_ohms = 100,
+	.get_pendown_state	= tsc2003_get_pendown_state,
+	.clear_penirq		= tsc2003_clear_penirq,
+	.init_platform_hw	= tsc2003_init_platform_hw,
+	.exit_platform_hw	= tsc2003_exit_platform_hw,
+};
+#endif
+
+static struct i2c_board_info __initdata verdex_i2c_board_info[] = {
+#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
+
+	{
+		I2C_BOARD_INFO("rtc-ds1307", 0x68),
+	},
+#endif
+#if defined(CONFIG_TOUCHSCREEN_TSC2003) || defined(CONFIG_TOUCHSCREEN_TSC2003_MODULE)
+	{
+		I2C_BOARD_INFO("tsc2003", 0x48),
+		.platform_data	= &tsc2003_config,
+		.irq		= IRQ_GPIO(VERDEX_GPIO_PENDOWN),
+	},
+#endif
+};
+
+static struct i2c_pxa_platform_data verdex_i2c_pwr_info = {
+	.fast_mode = 1,
+};
+
+static struct i2c_pxa_platform_data verdex_i2c_info = {
+	.fast_mode = 1,
+};
+
+static void __init verdex_i2c_init(void)
+{
+        printk(KERN_INFO "Initializing Gumstix verdex i2c\n");
+
+#if defined(CONFIG_TOUCHSCREEN_TSC2003) || defined(CONFIG_TOUCHSCREEN_TSC2003_MODULE)
+	if ((gpio_request(VERDEX_GPIO_PENDOWN, "TSC2003_PENDOWN") == 0) &&
+	    (gpio_direction_input(VERDEX_GPIO_PENDOWN) == 0)) {
+		gpio_export(VERDEX_GPIO_PENDOWN, 0);
+	} else {
+		printk(KERN_ERR "could not obtain gpio for TSC2003_PENDOWN\n");
+		return;
+	}
+#endif
+
+	i2c_register_board_info(0, verdex_i2c_board_info,
+				ARRAY_SIZE(verdex_i2c_board_info));
+	pxa_set_i2c_info(&verdex_i2c_info);
+	pxa27x_set_i2c_power_info(&verdex_i2c_pwr_info);
+}
+#else
+static inline void verdex_i2c_init(void) {}
+#endif
+
+#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
+static void __init verdex_pcmcia_init(void)
+{
+	verdex_pcmcia_pin_config();
+}
+#else
+static void __init verdex_pcmcia_init(void) {
+	printk(KERN_INFO "Gumstix verdex pcmcia is disabled\n");
+}
+#endif
+
+
+static void __init verdex_init(void)
+{
+    pxa2xx_mfp_config(ARRAY_AND_SIZE(verdex_pin_config));
+
+#ifdef CONFIG_FB_PXA_SHARP_LQ043_PSP
+    /* DISP must be always high while screen is on */
+	gpio_direction_output(GPIO77, 0);
+	GPSR(GPIO77) = GPIO_bit(GPIO77);
+#endif 
+    verdex_udc_init();
+    verdex_mmc_init();
+    verdex_ohci_init();
+    verdex_i2c_init();
+    verdex_init_smsc911x();
+    verdex_pcmcia_init();
+ 
+#if defined(CONFIG_FB_PXA_ALPS_CDOLLAR) || defined(CONFIG_FB_PXA_SHARP_LQ043_PSP) || defined(CONFIG_FB_PXA_SAMSUNG_LTE430WQ_F0C)
+        printk(KERN_INFO "Initializing Gumstix verdex FB info\n");
+	set_pxa_fb_info(&gumstix_fb_info);
+#endif
+    printk(KERN_INFO "Initializing Gumstix platform_add_devices\n");
+    (void) platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+MACHINE_START(GUMSTIX, "Gumstix verdex")
+    .phys_io        = 0x40000000,
+    .boot_params    = 0xa0000100, /* match u-boot bi_boot_params */
+    .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
+    .map_io         = pxa_map_io,
+    .init_irq       = pxa27x_init_irq,
+    .timer          = &pxa_timer,
+    .init_machine   = verdex_init,
+MACHINE_END
+
--- a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
@@ -109,6 +109,7 @@
 #define GPIO54_nPCE_2		MFP_CFG_OUT(GPIO54, AF2, DRIVE_HIGH)
 #define GPIO78_nPCE_2		MFP_CFG_OUT(GPIO78, AF1, DRIVE_HIGH)
 #define GPIO87_nPCE_2		MFP_CFG_IN(GPIO87, AF1)
+#define GPIO105_nPCE_2		MFP_CFG_OUT(GPIO105, AF1, DRIVE_HIGH)
 #define GPIO55_nPREG		MFP_CFG_OUT(GPIO55, AF2, DRIVE_HIGH)
 #define GPIO50_nPIOR		MFP_CFG_OUT(GPIO50, AF2, DRIVE_HIGH)
 #define GPIO51_nPIOW		MFP_CFG_OUT(GPIO51, AF2, DRIVE_HIGH)