aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/s3c24xx/patches-2.6.26/1007-gta01-core.patch.patch
blob: 7acdfb579ae4ada46cbdf9672e42abca7bf8fe80 (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
From 821c65f3420494eadf5260e48b54b9f59e6e865c Mon Sep 17 00:00:00 2001
From: mokopatches <mokopatches@openmoko.org>
Date: Wed, 16 Jul 2008 14:44:42 +0100
Subject: [PATCH] gta01-core.patch
 This patch adds support for the FIC Neo1973 GTA01 machine type to the ARM port
 of the Linux kernel.

Signed-off-by: Harald Welte <laforge@openmoko.org>
---
 MAINTAINERS                          |    8 +
 arch/arm/mach-s3c2410/Kconfig        |    8 +
 arch/arm/mach-s3c2410/Makefile       |   10 +
 arch/arm/mach-s3c2410/mach-gta01.c   |  658 ++++++++++++++++++++++++++++++++++
 arch/arm/plat-s3c24xx/Kconfig        |    5 +
 include/asm-arm/arch-s3c2410/gta01.h |   70 ++++
 6 files changed, 759 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-s3c2410/mach-gta01.c
 create mode 100644 include/asm-arm/arch-s3c2410/gta01.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 56a2f67..9c1a796 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1664,6 +1664,14 @@ P:	Akinobu Mita
 M:	akinobu.mita@gmail.com
 S:	Supported
 
+FIC/OPENMOKO NEO1973 GSM PHONE
+P:	Harald Welte
+M:	laforge@openmoko.org
+L:	openmoko-kernel@lists.openmoko.org
+W:	http://wiki.openmoko.org/wiki/Kernel
+W:	http://wiki.openmoko.org/wiki/Neo1973
+S:	Maintained
+
 FRAMEBUFFER LAYER
 P:	Antonino Daplas
 M:	adaplas@gmail.com
diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index cd3dc08..7e3a1a2 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -117,5 +117,13 @@ config MACH_QT2410
 	help
 	   Say Y here if you are using the Armzone QT2410
 
+config MACH_NEO1973_GTA01
+	bool "FIC Neo1973 GSM Phone (GTA01 Hardware)"
+	select CPU_S3C2410
+	select MACH_NEO1973
+	select SENSORS_PCF50606
+	help
+	   Say Y here if you are using the FIC Neo1973 GSM Phone
+
 endmenu
 
diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index cabc13c..b73562f 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -30,3 +30,13 @@ obj-$(CONFIG_BAST_PC104_IRQ)	+= bast-irq.o
 obj-$(CONFIG_MACH_TCT_HAMMER)	+= mach-tct_hammer.o
 obj-$(CONFIG_MACH_VR1000)	+= mach-vr1000.o usb-simtec.o
 obj-$(CONFIG_MACH_QT2410)	+= mach-qt2410.o
+
+# Common bits of machine support
+
+obj-$(CONFIG_SIMTEC_NOR)	+= nor-simtec.o
+
+# machine additions
+
+obj-$(CONFIG_MACH_BAST_IDE)	+= bast-ide.o
+obj-$(CONFIG_MACH_NEO1973_GTA01)+= mach-gta01.o
+
diff --git a/arch/arm/mach-s3c2410/mach-gta01.c b/arch/arm/mach-s3c2410/mach-gta01.c
new file mode 100644
index 0000000..e690ed7
--- /dev/null
+++ b/arch/arm/mach-s3c2410/mach-gta01.c
@@ -0,0 +1,658 @@
+/*
+ * linux/arch/arm/mach-s3c2410/mach-gta01.c
+ *
+ * S3C2410 Machine Support for the FIC Neo1973 GTA01
+ *
+ * Copyright (C) 2006-2007 by OpenMoko, Inc.
+ * Author: Harald Welte <laforge@openmoko.org>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <linux/serial_core.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.h>
+#include <linux/mmc/mmc.h>
+#include <linux/mmc/host.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/nand_ecc.h>
+#include <linux/mtd/partitions.h>
+
+#include <linux/mmc/host.h>
+
+#include <linux/pcf50606.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/fb.h>
+#include <asm/arch/spi.h>
+#include <asm/arch/spi-gpio.h>
+#include <asm/arch/usb-control.h>
+
+#include <asm/arch/gta01.h>
+
+#include <asm/plat-s3c/regs-serial.h>
+#include <asm/plat-s3c/nand.h>
+#include <asm/plat-s3c24xx/devs.h>
+#include <asm/plat-s3c24xx/cpu.h>
+#include <asm/plat-s3c24xx/pm.h>
+#include <asm/plat-s3c24xx/udc.h>
+
+static struct map_desc gta01_iodesc[] __initdata = {
+	{
+		.virtual	= 0xe0000000,
+		.pfn		= __phys_to_pfn(S3C2410_CS3+0x01000000),
+		.length		= SZ_1M,
+		.type		= MT_DEVICE
+	},
+};
+
+#define UCON S3C2410_UCON_DEFAULT
+#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
+#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
+
+static struct s3c2410_uartcfg gta01_uartcfgs[] = {
+	[0] = {
+		.hwport	     = 0,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+	[1] = {
+		.hwport	     = 1,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+};
+
+/* PMU driver info */
+
+static int pmu_callback(struct device *dev, unsigned int feature,
+			enum pmu_event event)
+{
+	switch (feature) {
+	case PCF50606_FEAT_ACD:
+		switch (event) {
+		case PMU_EVT_INSERT:
+			pcf50606_charge_fast(pcf50606_global, 1);
+			break;
+		case PMU_EVT_REMOVE:
+			pcf50606_charge_fast(pcf50606_global, 0);
+			break;
+		default:
+			break;
+		}
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static struct pcf50606_platform_data gta01_pcf_pdata = {
+	.used_features	= PCF50606_FEAT_EXTON |
+			  PCF50606_FEAT_MBC |
+			  PCF50606_FEAT_BBC |
+			  PCF50606_FEAT_RTC |
+			  PCF50606_FEAT_WDT |
+			  PCF50606_FEAT_CHGCUR |
+			  PCF50606_FEAT_BATVOLT |
+			  PCF50606_FEAT_BATTEMP,
+	.onkey_seconds_required = 3,
+	.cb		= &pmu_callback,
+	.r_fix_batt	= 10000,
+	.r_fix_batt_par	= 10000,
+	.r_sense_milli	= 220,
+	.rails	= {
+		[PCF50606_REGULATOR_D1REG] = {
+			.name		= "bt_3v15",
+			.voltage	= {
+				.init	= 3150,
+				.max	= 3150,
+			},
+		},
+		[PCF50606_REGULATOR_D2REG] = {
+			.name		= "gl_2v5",
+			.voltage	= {
+				.init	= 2500,
+				.max	= 2500,
+			},
+		},
+		[PCF50606_REGULATOR_D3REG] = {
+			.name		= "stby_1v8",
+			.flags		= PMU_VRAIL_F_SUSPEND_ON,
+			.voltage	= {
+				.init	= 1800,
+				.max	= 2100,
+			},
+		},
+		[PCF50606_REGULATOR_DCD] = {
+			.name		= "gl_1v5",
+			.voltage	= {
+				.init	= 1500,
+				.max	= 1500,
+			},
+		},
+		[PCF50606_REGULATOR_DCDE] = {
+			.name		= "io_3v3",
+			.flags		= PMU_VRAIL_F_SUSPEND_ON,
+			.voltage	= {
+				.init	= 3300,
+				.max	= 3330,
+			},
+		},
+		[PCF50606_REGULATOR_DCUD] = {
+			.name		= "core_1v8",
+			.flags		= PMU_VRAIL_F_SUSPEND_ON,
+			.voltage	= {
+				.init	= 2100,
+				.max	= 2100,
+			},
+		},
+		[PCF50606_REGULATOR_IOREG] = {
+			.name		= "codec_3v3",
+			.voltage	= {
+				.init	= 3300,
+				.max	= 3300,
+			},
+		},
+		[PCF50606_REGULATOR_LPREG] = {
+			.name		= "lcm_3v3",
+			.voltage	= {
+				.init	= 3300,
+				.max	= 3300,
+			},
+		}
+	},
+};
+
+static void cfg_pmu_vrail(struct pmu_voltage_rail *vrail, char *name,
+			  unsigned int flags, unsigned int init,
+			  unsigned int max)
+{
+	vrail->name = name;
+	vrail->flags = flags;
+	vrail->voltage.init = init;
+	vrail->voltage.max = max;
+}
+
+static void mangle_pmu_pdata_by_system_rev(void)
+{
+	switch (system_rev) {
+	case GTA01Bv4_SYSTEM_REV:
+		gta01_pcf_pdata.used_features |= PCF50606_FEAT_ACD;
+		break;
+	case GTA01Bv3_SYSTEM_REV:
+	case GTA01Bv2_SYSTEM_REV:
+		gta01_pcf_pdata.rails[PCF50606_REGULATOR_D3REG]
+					.name = "user1";
+		gta01_pcf_pdata.rails[PCF50606_REGULATOR_D3REG]
+					.flags &= ~PMU_VRAIL_F_SUSPEND_ON;
+		gta01_pcf_pdata.rails[PCF50606_REGULATOR_D3REG]
+					.flags = PMU_VRAIL_F_UNUSED;
+		break;
+	case GTA01v4_SYSTEM_REV:
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_DCUD],
+			      "core_1v8", PMU_VRAIL_F_SUSPEND_ON, 1800, 1800);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_D1REG],
+			      "vrf_3v", 0, 3000, 3000);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_D3REG],
+			      "vtcxo_2v8", 0, 2800, 2800);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_DCD],
+			      "gl_3v5", 0, 3500, 3500);
+		break;
+	case GTA01v3_SYSTEM_REV:
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_D1REG],
+			      "vrf_3v", 0, 3000, 3000);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_D2REG],
+			      "sd_3v3", 0, 3300, 3300);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_D3REG],
+			      "codec_3v3", 0, 3300, 3300);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_DCD],
+			      "gpsio_3v3", 0, 3300, 3300);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_DCUD],
+			      "core_1v8", PMU_VRAIL_F_SUSPEND_ON, 1800, 1800);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_IOREG],
+			      "vtcxo_2v8", 0, 2800, 2800);
+		break;
+	}
+}
+
+static struct resource gta01_pmu_resources[] = {
+	[0] = {
+		.flags	= IORESOURCE_IRQ,
+		.start	= GTA01_IRQ_PCF50606,
+		.end	= GTA01_IRQ_PCF50606,
+	},
+};
+
+struct platform_device gta01_pmu_dev = {
+	.name 		= "pcf50606",
+	.num_resources	= ARRAY_SIZE(gta01_pmu_resources),
+	.resource	= gta01_pmu_resources,
+	.dev		= {
+		.platform_data = &gta01_pcf_pdata,
+	},
+};
+
+/* LCD driver info */
+
+/* Configuration for 480x640 toppoly TD028TTEC1.
+ * Do not mark this as __initdata or it will break! */
+static struct s3c2410fb_display gta01_displays[] =  {
+	{
+		.type		= S3C2410_LCDCON1_TFT,
+		.width		= 43,
+		.height		= 58,
+		.xres		= 480,
+		.yres		= 640,
+		.bpp		= 16,
+
+		.pixclock	= 40000,	/* HCLK/4 */
+		.left_margin	= 104,
+		.right_margin	= 8,
+		.hsync_len	= 8,
+		.upper_margin	= 2,
+		.lower_margin	= 16,
+		.vsync_len	= 2,
+		.lcdcon5	= S3C2410_LCDCON5_FRM565 |
+				  S3C2410_LCDCON5_INVVCLK |
+				  S3C2410_LCDCON5_INVVLINE |
+				  S3C2410_LCDCON5_INVVFRAME |
+				  S3C2410_LCDCON5_PWREN |
+				  S3C2410_LCDCON5_HWSWP,
+	},
+	{
+		.type		= S3C2410_LCDCON1_TFT,
+		.width		= 43,
+		.height		= 58,
+		.xres		= 480,
+		.yres		= 640,
+		.bpp		= 32,
+
+		.pixclock	= 40000,	/* HCLK/4 */
+		.left_margin	= 104,
+		.right_margin	= 8,
+		.hsync_len	= 8,
+		.upper_margin	= 2,
+		.lower_margin	= 16,
+		.vsync_len	= 2,
+		.lcdcon5	= S3C2410_LCDCON5_FRM565 |
+				  S3C2410_LCDCON5_INVVCLK |
+				  S3C2410_LCDCON5_INVVLINE |
+				  S3C2410_LCDCON5_INVVFRAME |
+				  S3C2410_LCDCON5_PWREN |
+				  S3C2410_LCDCON5_HWSWP,
+	},
+	{
+		.type		= S3C2410_LCDCON1_TFT,
+		.width		= 43,
+		.height		= 58,
+		.xres		= 240,
+		.yres		= 320,
+		.bpp		= 16,
+
+		.pixclock	= 40000,	/* HCLK/4 */
+		.left_margin	= 104,
+		.right_margin	= 8,
+		.hsync_len	= 8,
+		.upper_margin	= 2,
+		.lower_margin	= 16,
+		.vsync_len	= 2,
+		.lcdcon5	= S3C2410_LCDCON5_FRM565 |
+				  S3C2410_LCDCON5_INVVCLK |
+				  S3C2410_LCDCON5_INVVLINE |
+				  S3C2410_LCDCON5_INVVFRAME |
+				  S3C2410_LCDCON5_PWREN |
+				  S3C2410_LCDCON5_HWSWP,
+	},
+};
+
+static struct s3c2410fb_mach_info gta01_lcd_cfg __initdata = {
+	.displays	= gta01_displays,
+	.num_displays	= ARRAY_SIZE(gta01_displays),
+	.default_display = 0,
+
+	.lpcsel		= ((0xCE6) & ~7) | 1<<4,
+};
+
+static struct platform_device *gta01_devices[] __initdata = {
+	&s3c_device_usb,
+	&s3c_device_lcd,
+	&s3c_device_wdt,
+	&s3c_device_i2c,
+	&s3c_device_iis,
+	&s3c_device_sdi,
+	&s3c_device_usbgadget,
+	&s3c_device_nand,
+};
+
+static struct s3c2410_nand_set gta01_nand_sets[] = {
+	[0] = {
+		.name		= "neo1973-nand",
+		.nr_chips	= 1,
+		.flags		= S3C2410_NAND_BBT,
+	},
+};
+
+static struct s3c2410_platform_nand gta01_nand_info = {
+	.tacls		= 20,
+	.twrph0		= 60,
+	.twrph1		= 20,
+	.nr_sets	= ARRAY_SIZE(gta01_nand_sets),
+	.sets		= gta01_nand_sets,
+};
+
+static void gta01_udc_command(enum s3c2410_udc_cmd_e cmd)
+{
+	printk(KERN_DEBUG "%s(%d)\n", __func__, cmd);
+
+	switch (cmd) {
+	case S3C2410_UDC_P_ENABLE:
+		s3c2410_gpio_setpin(GTA01_GPIO_USB_PULLUP, 1);
+		break;
+	case S3C2410_UDC_P_DISABLE:
+		s3c2410_gpio_setpin(GTA01_GPIO_USB_PULLUP, 0);
+		break;
+	default:
+		break;
+	}
+}
+
+/* use a work queue, since I2C API inherently schedules
+ * and we get called in hardirq context from UDC driver */
+
+struct vbus_draw {
+	struct work_struct work;
+	int ma;
+};
+static struct vbus_draw gta01_udc_vbus_drawer;
+
+static void __gta01_udc_vbus_draw(struct work_struct *work)
+{
+	/* this is a fix to work around boot-time ordering problems if the
+	 * s3c2410_udc is initialized before the pcf50606 driver has defined
+	 * pcf50606_global */
+	if (!pcf50606_global)
+		return;
+
+	if (gta01_udc_vbus_drawer.ma >= 500) {
+		/* enable fast charge */
+		printk(KERN_DEBUG "udc: enabling fast charge\n");
+		pcf50606_charge_fast(pcf50606_global, 1);
+	} else {
+		/* disable fast charge */
+		printk(KERN_DEBUG "udc: disabling fast charge\n");
+		pcf50606_charge_fast(pcf50606_global, 0);
+	}
+}
+
+static void gta01_udc_vbus_draw(unsigned int ma)
+{
+	gta01_udc_vbus_drawer.ma = ma;
+	schedule_work(&gta01_udc_vbus_drawer.work);
+}
+
+static struct s3c2410_udc_mach_info gta01_udc_cfg = {
+	.vbus_draw	= gta01_udc_vbus_draw,
+};
+
+/* SPI */
+
+static struct spi_board_info gta01_spi_board_info[] = {
+	{
+		.modalias	= "jbt6k74",
+		/* platform_data */
+		/* controller_data */
+		/* irq */
+		.max_speed_hz	= 10 * 1000 * 1000,
+		.bus_num	= 1,
+		/* chip_select */
+	},
+};
+
+static void spi_gpio_cs(struct s3c2410_spigpio_info *spi, int cs)
+{
+	switch (cs) {
+	case BITBANG_CS_ACTIVE:
+		s3c2410_gpio_setpin(S3C2410_GPG3, 0);
+		break;
+	case BITBANG_CS_INACTIVE:
+		s3c2410_gpio_setpin(S3C2410_GPG3, 1);
+		break;
+	}
+}
+
+static struct s3c2410_spigpio_info spi_gpio_cfg = {
+	.pin_clk	= S3C2410_GPG7,
+	.pin_mosi	= S3C2410_GPG6,
+	.pin_miso	= S3C2410_GPG5,
+	.board_size	= ARRAY_SIZE(gta01_spi_board_info),
+	.board_info	= gta01_spi_board_info,
+	.chip_select	= &spi_gpio_cs,
+};
+
+static struct resource s3c_spi_lcm_resource[] = {
+	[0] = {
+		.start = S3C2410_GPG3,
+		.end   = S3C2410_GPG3,
+	},
+	[1] = {
+		.start = S3C2410_GPG5,
+		.end   = S3C2410_GPG5,
+	},
+	[2] = {
+		.start = S3C2410_GPG6,
+		.end   = S3C2410_GPG6,
+	},
+	[3] = {
+		.start = S3C2410_GPG7,
+		.end   = S3C2410_GPG7,
+	},
+};
+
+struct platform_device s3c_device_spi_lcm = {
+	.name		  = "s3c24xx-spi-gpio",
+	.id		  = 1,
+	.num_resources	  = ARRAY_SIZE(s3c_spi_lcm_resource),
+	.resource	  = s3c_spi_lcm_resource,
+	.dev = {
+		.platform_data = &spi_gpio_cfg,
+	},
+};
+
+static struct gta01bl_machinfo backlight_machinfo = {
+	.default_intensity	= 1,
+	.max_intensity		= 1,
+	.limit_mask		= 1,
+};
+
+static struct resource gta01_bl_resources[] = {
+	[0] = {
+		.start	= GTA01_GPIO_BACKLIGHT,
+		.end	= GTA01_GPIO_BACKLIGHT,
+	},
+};
+
+struct platform_device gta01_bl_dev = {
+	.name 		= "gta01-bl",
+	.num_resources	= ARRAY_SIZE(gta01_bl_resources),
+	.resource	= gta01_bl_resources,
+	.dev		= {
+		.platform_data = &backlight_machinfo,
+	},
+};
+
+static struct resource gta01_led_resources[] = {
+	[0] = {
+		.start	= GTA01_GPIO_VIBRATOR_ON,
+		.end	= GTA01_GPIO_VIBRATOR_ON,
+	},
+};
+
+struct platform_device gta01_led_dev = {
+	.name		= "neo1973-vibrator",
+	.num_resources	= ARRAY_SIZE(gta01_led_resources),
+	.resource	= gta01_led_resources,
+};
+
+static struct resource gta01_button_resources[] = {
+	[0] = {
+		.start = GTA01_GPIO_AUX_KEY,
+		.end   = GTA01_GPIO_AUX_KEY,
+	},
+	[1] = {
+		.start = GTA01_GPIO_HOLD_KEY,
+		.end   = GTA01_GPIO_HOLD_KEY,
+	},
+	[2] = {
+		.start = GTA01_GPIO_JACK_INSERT,
+		.end   = GTA01_GPIO_JACK_INSERT,
+	},
+};
+
+struct platform_device gta01_button_dev = {
+	.name		= "neo1973-button",
+	.num_resources	= ARRAY_SIZE(gta01_button_resources),
+	.resource	= gta01_button_resources,
+};
+
+static struct platform_device gta01_pm_gsm_dev = {
+	.name		= "neo1973-pm-gsm",
+};
+
+/* USB */
+static struct s3c2410_hcd_info gta01_usb_info = {
+	.port[0]	= {
+		.flags	= S3C_HCDFLG_USED,
+	},
+	.port[1]	= {
+		.flags	= 0,
+	},
+};
+
+static void __init gta01_map_io(void)
+{
+	s3c24xx_init_io(gta01_iodesc, ARRAY_SIZE(gta01_iodesc));
+	s3c24xx_init_clocks(12*1000*1000);
+	s3c24xx_init_uarts(gta01_uartcfgs, ARRAY_SIZE(gta01_uartcfgs));
+}
+
+static irqreturn_t gta01_modem_irq(int irq, void *param)
+{
+	printk(KERN_DEBUG "modem wakeup interrupt\n");
+	return IRQ_HANDLED;
+}
+
+static void __init gta01_machine_init(void)
+{
+	int rc;
+
+	if (system_rev == GTA01v4_SYSTEM_REV ||
+	    system_rev == GTA01Bv2_SYSTEM_REV ||
+	    system_rev == GTA01Bv3_SYSTEM_REV ||
+	    system_rev == GTA01Bv4_SYSTEM_REV) {
+		gta01_udc_cfg.udc_command = gta01_udc_command;
+	}
+
+	s3c_device_usb.dev.platform_data = &gta01_usb_info;
+	s3c_device_nand.dev.platform_data = &gta01_nand_info;
+
+	s3c24xx_fb_set_platdata(&gta01_lcd_cfg);
+
+	INIT_WORK(&gta01_udc_vbus_drawer.work, __gta01_udc_vbus_draw);
+	s3c24xx_udc_set_platdata(&gta01_udc_cfg);
+
+	/* Set LCD_RESET / XRES to high */
+	s3c2410_gpio_cfgpin(S3C2410_GPC6, S3C2410_GPIO_OUTPUT);
+	s3c2410_gpio_setpin(S3C2410_GPC6, 1);
+
+	/* SPI chip select is gpio output */
+	s3c2410_gpio_cfgpin(S3C2410_GPG3, S3C2410_GPIO_OUTPUT);
+	s3c2410_gpio_setpin(S3C2410_GPG3, 1);
+	platform_device_register(&s3c_device_spi_lcm);
+
+	platform_device_register(&gta01_bl_dev);
+	platform_device_register(&gta01_button_dev);
+	platform_device_register(&gta01_pm_gsm_dev);
+
+	switch (system_rev) {
+	case GTA01v3_SYSTEM_REV:
+	case GTA01v4_SYSTEM_REV:
+		/* just use the default (GTA01_IRQ_PCF50606) */
+		break;
+	case GTA01Bv2_SYSTEM_REV:
+	case GTA01Bv3_SYSTEM_REV:
+		/* just use the default (GTA01_IRQ_PCF50606) */
+		gta01_led_resources[0].start =
+			gta01_led_resources[0].end = GTA01Bv2_GPIO_VIBRATOR_ON;
+		break;
+	case GTA01Bv4_SYSTEM_REV:
+		gta01_pmu_resources[0].start =
+			gta01_pmu_resources[0].end = GTA01Bv4_IRQ_PCF50606;
+		gta01_led_resources[0].start =
+			gta01_led_resources[0].end = GTA01Bv4_GPIO_VIBRATOR_ON;
+		break;
+	}
+	mangle_pmu_pdata_by_system_rev();
+	platform_device_register(&gta01_pmu_dev);
+	platform_device_register(&gta01_led_dev);
+
+	platform_add_devices(gta01_devices, ARRAY_SIZE(gta01_devices));
+
+	s3c2410_pm_init();
+
+	set_irq_type(GTA01_IRQ_MODEM, IRQT_RISING);
+	rc = request_irq(GTA01_IRQ_MODEM, gta01_modem_irq, IRQF_DISABLED,
+			 "modem", NULL);
+	if (!rc)
+		printk(KERN_ERR  "GTA01: can't request GSM modem wakeup IRQ\n");
+	enable_irq_wake(GTA01_IRQ_MODEM);
+}
+
+MACHINE_START(NEO1973_GTA01, "GTA01")
+	.phys_io	= S3C2410_PA_UART,
+	.io_pg_offst	= (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
+	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.map_io		= gta01_map_io,
+	.init_irq	= s3c24xx_init_irq,
+	.init_machine	= gta01_machine_init,
+	.timer		= &s3c24xx_timer,
+MACHINE_END
diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig
index b66fb3c..7ee4b82 100644
--- a/arch/arm/plat-s3c24xx/Kconfig
+++ b/arch/arm/plat-s3c24xx/Kconfig
@@ -46,4 +46,9 @@ config MACH_SMDK
 	help
 	  Common machine code for SMDK2410 and SMDK2440
 
+config MACH_NEO1973
+	bool
+	help
+	  Common machine code for Neo1973 hardware
+
 endif
diff --git a/include/asm-arm/arch-s3c2410/gta01.h b/include/asm-arm/arch-s3c2410/gta01.h
new file mode 100644
index 0000000..1cc2099
--- /dev/null
+++ b/include/asm-arm/arch-s3c2410/gta01.h
@@ -0,0 +1,70 @@
+#ifndef _GTA01_H
+#define _GTA01_H
+
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/irqs.h>
+
+/* Different hardware revisions, passed in ATAG_REVISION by u-boot */
+#define GTA01v3_SYSTEM_REV	0x00000130
+#define GTA01v4_SYSTEM_REV	0x00000140
+#define GTA01Bv2_SYSTEM_REV	0x00000220
+#define GTA01Bv3_SYSTEM_REV	0x00000230
+#define GTA01Bv4_SYSTEM_REV	0x00000240
+
+/* Backlight */
+struct gta01bl_machinfo {
+	unsigned int default_intensity;
+	unsigned int max_intensity;
+	unsigned int limit_mask;
+};
+
+/* Definitions common to all revisions */
+#define GTA01_GPIO_BACKLIGHT	S3C2410_GPB0
+#define GTA01_GPIO_GPS_PWRON	S3C2410_GPB1
+#define GTA01_GPIO_MODEM_RST	S3C2410_GPB6
+#define GTA01_GPIO_MODEM_ON	S3C2410_GPB7
+#define GTA01_GPIO_LCD_RESET	S3C2410_GPC6
+#define GTA01_GPIO_PMU_IRQ	S3C2410_GPG8
+#define GTA01_GPIO_JACK_INSERT	S3C2410_GPF4
+#define GTA01_GPIO_nSD_DETECT	S3C2410_GPF5
+#define GTA01_GPIO_AUX_KEY	S3C2410_GPF6
+#define GTA01_GPIO_HOLD_KEY	S3C2410_GPF7
+#define GTA01_GPIO_VIBRATOR_ON	S3C2410_GPG11
+
+#define GTA01_IRQ_MODEM		IRQ_EINT1
+#define GTA01_IRQ_JACK_INSERT	IRQ_EINT4
+#define GTA01_IRQ_nSD_DETECT	IRQ_EINT5
+#define GTA01_IRQ_AUX_KEY	IRQ_EINT6
+#define GTA01_IRQ_PCF50606      IRQ_EINT16
+
+/* GTA01v3 */
+#define GTA01v3_GPIO_nGSM_EN	S3C2410_GPG9
+
+/* GTA01v4 */
+#define GTA01_GPIO_MODEM_DNLOAD	S3C2410_GPG0
+
+/* GTA01Bv2 */
+#define GTA01Bv2_GPIO_nGSM_EN	S3C2410_GPF2
+#define GTA01Bv2_GPIO_VIBRATOR_ON S3C2410_GPB10
+
+/* GTA01Bv3 */
+#define GTA01_GPIO_GPS_EN_3V3	S3C2410_GPG9
+
+#define GTA01_GPIO_SDMMC_ON	S3C2410_GPB2
+#define GTA01_GPIO_BT_EN	S3C2410_GPB5
+#define GTA01_GPIO_AB_DETECT	S3C2410_GPB8
+#define GTA01_GPIO_USB_PULLUP	S3C2410_GPB9
+#define GTA01_GPIO_USB_ATTACH	S3C2410_GPB10
+
+#define GTA01_GPIO_GPS_EN_2V8	S3C2410_GPG9
+#define GTA01_GPIO_GPS_EN_3V	S3C2410_GPG10
+#define GTA01_GPIO_GPS_RESET	S3C2410_GPC0
+
+/* GTA01Bv4 */
+#define GTA01Bv4_GPIO_nNAND_WP	S3C2410_GPA16
+#define GTA01Bv4_GPIO_VIBRATOR_ON S3C2410_GPB3
+#define GTA01Bv4_GPIO_PMU_IRQ	S3C2410_GPG1
+
+#define GTA01Bv4_IRQ_PCF50606	IRQ_EINT9
+
+#endif /* _GTA01_H */
-- 
1.5.6.3