Merge remote-tracking branch 'korg_arm-soc/timer/cleanup' into cleanup
[linux-3.10.git] / arch / arm / mach-davinci / board-dm646x-evm.c
1 /*
2  * TI DaVinci DM646X EVM board
3  *
4  * Derived from: arch/arm/mach-davinci/board-evm.c
5  * Copyright (C) 2006 Texas Instruments.
6  *
7  * (C) 2007-2008, MontaVista Software, Inc.
8  *
9  * This file is licensed under the terms of the GNU General Public License
10  * version 2. This program is licensed "as is" without any warranty of any
11  * kind, whether express or implied.
12  *
13  */
14
15 /**************************************************************************
16  * Included Files
17  **************************************************************************/
18
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/leds.h>
22 #include <linux/gpio.h>
23 #include <linux/platform_device.h>
24 #include <linux/i2c.h>
25 #include <linux/i2c/at24.h>
26 #include <linux/i2c/pcf857x.h>
27
28 #include <media/tvp514x.h>
29 #include <media/adv7343.h>
30
31 #include <linux/mtd/mtd.h>
32 #include <linux/mtd/nand.h>
33 #include <linux/mtd/partitions.h>
34 #include <linux/clk.h>
35 #include <linux/export.h>
36
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39
40 #include <mach/common.h>
41 #include <mach/serial.h>
42 #include <linux/platform_data/i2c-davinci.h>
43 #include <linux/platform_data/mtd-davinci.h>
44 #include <mach/clock.h>
45 #include <mach/cdce949.h>
46 #include <linux/platform_data/mtd-davinci-aemif.h>
47
48 #include "davinci.h"
49 #include "clock.h"
50
51 #define NAND_BLOCK_SIZE         SZ_128K
52
53 /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
54  * and U-Boot environment this avoids dependency on any particular combination
55  * of UBL, U-Boot or flashing tools etc.
56  */
57 static struct mtd_partition davinci_nand_partitions[] = {
58         {
59                 /* UBL, U-Boot with environment */
60                 .name           = "bootloader",
61                 .offset         = MTDPART_OFS_APPEND,
62                 .size           = 16 * NAND_BLOCK_SIZE,
63                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
64         }, {
65                 .name           = "kernel",
66                 .offset         = MTDPART_OFS_APPEND,
67                 .size           = SZ_4M,
68                 .mask_flags     = 0,
69         }, {
70                 .name           = "filesystem",
71                 .offset         = MTDPART_OFS_APPEND,
72                 .size           = MTDPART_SIZ_FULL,
73                 .mask_flags     = 0,
74         }
75 };
76
77 static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
78         .wsetup         = 29,
79         .wstrobe        = 24,
80         .whold          = 14,
81         .rsetup         = 19,
82         .rstrobe        = 33,
83         .rhold          = 0,
84         .ta             = 29,
85 };
86
87 static struct davinci_nand_pdata davinci_nand_data = {
88         .mask_cle               = 0x80000,
89         .mask_ale               = 0x40000,
90         .parts                  = davinci_nand_partitions,
91         .nr_parts               = ARRAY_SIZE(davinci_nand_partitions),
92         .ecc_mode               = NAND_ECC_HW,
93         .options                = 0,
94 };
95
96 static struct resource davinci_nand_resources[] = {
97         {
98                 .start          = DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
99                 .end            = DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
100                 .flags          = IORESOURCE_MEM,
101         }, {
102                 .start          = DM646X_ASYNC_EMIF_CONTROL_BASE,
103                 .end            = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
104                 .flags          = IORESOURCE_MEM,
105         },
106 };
107
108 static struct platform_device davinci_nand_device = {
109         .name                   = "davinci_nand",
110         .id                     = 0,
111
112         .num_resources          = ARRAY_SIZE(davinci_nand_resources),
113         .resource               = davinci_nand_resources,
114
115         .dev                    = {
116                 .platform_data  = &davinci_nand_data,
117         },
118 };
119
120 #if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
121     defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
122 #define HAS_ATA 1
123 #else
124 #define HAS_ATA 0
125 #endif
126
127 /* CPLD Register 0 bits to control ATA */
128 #define DM646X_EVM_ATA_RST              BIT(0)
129 #define DM646X_EVM_ATA_PWD              BIT(1)
130
131 /* CPLD Register 0 Client: used for I/O Control */
132 static int cpld_reg0_probe(struct i2c_client *client,
133                            const struct i2c_device_id *id)
134 {
135         if (HAS_ATA) {
136                 u8 data;
137                 struct i2c_msg msg[2] = {
138                         {
139                                 .addr = client->addr,
140                                 .flags = I2C_M_RD,
141                                 .len = 1,
142                                 .buf = &data,
143                         },
144                         {
145                                 .addr = client->addr,
146                                 .flags = 0,
147                                 .len = 1,
148                                 .buf = &data,
149                         },
150                 };
151
152                 /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
153                 i2c_transfer(client->adapter, msg, 1);
154                 data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
155                 i2c_transfer(client->adapter, msg + 1, 1);
156         }
157
158         return 0;
159 }
160
161 static const struct i2c_device_id cpld_reg_ids[] = {
162         { "cpld_reg0", 0, },
163         { },
164 };
165
166 static struct i2c_driver dm6467evm_cpld_driver = {
167         .driver.name    = "cpld_reg0",
168         .id_table       = cpld_reg_ids,
169         .probe          = cpld_reg0_probe,
170 };
171
172 /* LEDS */
173
174 static struct gpio_led evm_leds[] = {
175         { .name = "DS1", .active_low = 1, },
176         { .name = "DS2", .active_low = 1, },
177         { .name = "DS3", .active_low = 1, },
178         { .name = "DS4", .active_low = 1, },
179 };
180
181 static const struct gpio_led_platform_data evm_led_data = {
182         .num_leds = ARRAY_SIZE(evm_leds),
183         .leds     = evm_leds,
184 };
185
186 static struct platform_device *evm_led_dev;
187
188 static int evm_led_setup(struct i2c_client *client, int gpio,
189                         unsigned int ngpio, void *c)
190 {
191         struct gpio_led *leds = evm_leds;
192         int status;
193
194         while (ngpio--) {
195                 leds->gpio = gpio++;
196                 leds++;
197         }
198
199         evm_led_dev = platform_device_alloc("leds-gpio", 0);
200         platform_device_add_data(evm_led_dev, &evm_led_data,
201                                 sizeof(evm_led_data));
202
203         evm_led_dev->dev.parent = &client->dev;
204         status = platform_device_add(evm_led_dev);
205         if (status < 0) {
206                 platform_device_put(evm_led_dev);
207                 evm_led_dev = NULL;
208         }
209         return status;
210 }
211
212 static int evm_led_teardown(struct i2c_client *client, int gpio,
213                                 unsigned ngpio, void *c)
214 {
215         if (evm_led_dev) {
216                 platform_device_unregister(evm_led_dev);
217                 evm_led_dev = NULL;
218         }
219         return 0;
220 }
221
222 static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
223
224 static int evm_sw_setup(struct i2c_client *client, int gpio,
225                         unsigned ngpio, void *c)
226 {
227         int status;
228         int i;
229         char label[10];
230
231         for (i = 0; i < 4; ++i) {
232                 snprintf(label, 10, "user_sw%d", i);
233                 status = gpio_request(gpio, label);
234                 if (status)
235                         goto out_free;
236                 evm_sw_gpio[i] = gpio++;
237
238                 status = gpio_direction_input(evm_sw_gpio[i]);
239                 if (status) {
240                         gpio_free(evm_sw_gpio[i]);
241                         evm_sw_gpio[i] = -EINVAL;
242                         goto out_free;
243                 }
244
245                 status = gpio_export(evm_sw_gpio[i], 0);
246                 if (status) {
247                         gpio_free(evm_sw_gpio[i]);
248                         evm_sw_gpio[i] = -EINVAL;
249                         goto out_free;
250                 }
251         }
252         return status;
253 out_free:
254         for (i = 0; i < 4; ++i) {
255                 if (evm_sw_gpio[i] != -EINVAL) {
256                         gpio_free(evm_sw_gpio[i]);
257                         evm_sw_gpio[i] = -EINVAL;
258                 }
259         }
260         return status;
261 }
262
263 static int evm_sw_teardown(struct i2c_client *client, int gpio,
264                         unsigned ngpio, void *c)
265 {
266         int i;
267
268         for (i = 0; i < 4; ++i) {
269                 if (evm_sw_gpio[i] != -EINVAL) {
270                         gpio_unexport(evm_sw_gpio[i]);
271                         gpio_free(evm_sw_gpio[i]);
272                         evm_sw_gpio[i] = -EINVAL;
273                 }
274         }
275         return 0;
276 }
277
278 static int evm_pcf_setup(struct i2c_client *client, int gpio,
279                         unsigned int ngpio, void *c)
280 {
281         int status;
282
283         if (ngpio < 8)
284                 return -EINVAL;
285
286         status = evm_sw_setup(client, gpio, 4, c);
287         if (status)
288                 return status;
289
290         return evm_led_setup(client, gpio+4, 4, c);
291 }
292
293 static int evm_pcf_teardown(struct i2c_client *client, int gpio,
294                         unsigned int ngpio, void *c)
295 {
296         BUG_ON(ngpio < 8);
297
298         evm_sw_teardown(client, gpio, 4, c);
299         evm_led_teardown(client, gpio+4, 4, c);
300
301         return 0;
302 }
303
304 static struct pcf857x_platform_data pcf_data = {
305         .gpio_base      = DAVINCI_N_GPIO+1,
306         .setup          = evm_pcf_setup,
307         .teardown       = evm_pcf_teardown,
308 };
309
310 /* Most of this EEPROM is unused, but U-Boot uses some data:
311  *  - 0x7f00, 6 bytes Ethernet Address
312  *  - ... newer boards may have more
313  */
314
315 static struct at24_platform_data eeprom_info = {
316         .byte_len       = (256*1024) / 8,
317         .page_size      = 64,
318         .flags          = AT24_FLAG_ADDR16,
319         .setup          = davinci_get_mac_addr,
320         .context        = (void *)0x7f00,
321 };
322
323 static u8 dm646x_iis_serializer_direction[] = {
324        TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
325 };
326
327 static u8 dm646x_dit_serializer_direction[] = {
328        TX_MODE,
329 };
330
331 static struct snd_platform_data dm646x_evm_snd_data[] = {
332         {
333                 .tx_dma_offset  = 0x400,
334                 .rx_dma_offset  = 0x400,
335                 .op_mode        = DAVINCI_MCASP_IIS_MODE,
336                 .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
337                 .tdm_slots      = 2,
338                 .serial_dir     = dm646x_iis_serializer_direction,
339                 .asp_chan_q     = EVENTQ_0,
340         },
341         {
342                 .tx_dma_offset  = 0x400,
343                 .rx_dma_offset  = 0,
344                 .op_mode        = DAVINCI_MCASP_DIT_MODE,
345                 .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
346                 .tdm_slots      = 32,
347                 .serial_dir     = dm646x_dit_serializer_direction,
348                 .asp_chan_q     = EVENTQ_0,
349         },
350 };
351
352 static struct i2c_client *cpld_client;
353
354 static int cpld_video_probe(struct i2c_client *client,
355                         const struct i2c_device_id *id)
356 {
357         cpld_client = client;
358         return 0;
359 }
360
361 static int cpld_video_remove(struct i2c_client *client)
362 {
363         cpld_client = NULL;
364         return 0;
365 }
366
367 static const struct i2c_device_id cpld_video_id[] = {
368         { "cpld_video", 0 },
369         { }
370 };
371
372 static struct i2c_driver cpld_video_driver = {
373         .driver = {
374                 .name   = "cpld_video",
375         },
376         .probe          = cpld_video_probe,
377         .remove         = cpld_video_remove,
378         .id_table       = cpld_video_id,
379 };
380
381 static void evm_init_cpld(void)
382 {
383         i2c_add_driver(&cpld_video_driver);
384 }
385
386 static struct i2c_board_info __initdata i2c_info[] =  {
387         {
388                 I2C_BOARD_INFO("24c256", 0x50),
389                 .platform_data  = &eeprom_info,
390         },
391         {
392                 I2C_BOARD_INFO("pcf8574a", 0x38),
393                 .platform_data  = &pcf_data,
394         },
395         {
396                 I2C_BOARD_INFO("cpld_reg0", 0x3a),
397         },
398         {
399                 I2C_BOARD_INFO("tlv320aic33", 0x18),
400         },
401         {
402                 I2C_BOARD_INFO("cpld_video", 0x3b),
403         },
404         {
405                 I2C_BOARD_INFO("cdce949", 0x6c),
406         },
407 };
408
409 static struct davinci_i2c_platform_data i2c_pdata = {
410         .bus_freq       = 100 /* kHz */,
411         .bus_delay      = 0 /* usec */,
412 };
413
414 #define VCH2CLK_MASK            (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
415 #define VCH2CLK_SYSCLK8         (BIT(9))
416 #define VCH2CLK_AUXCLK          (BIT(9) | BIT(8))
417 #define VCH3CLK_MASK            (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
418 #define VCH3CLK_SYSCLK8         (BIT(13))
419 #define VCH3CLK_AUXCLK          (BIT(14) | BIT(13))
420
421 #define VIDCH2CLK               (BIT(10))
422 #define VIDCH3CLK               (BIT(11))
423 #define VIDCH1CLK               (BIT(4))
424 #define TVP7002_INPUT           (BIT(4))
425 #define TVP5147_INPUT           (~BIT(4))
426 #define VPIF_INPUT_ONE_CHANNEL  (BIT(5))
427 #define VPIF_INPUT_TWO_CHANNEL  (~BIT(5))
428 #define TVP5147_CH0             "tvp514x-0"
429 #define TVP5147_CH1             "tvp514x-1"
430
431 /* spin lock for updating above registers */
432 static spinlock_t vpif_reg_lock;
433
434 static int set_vpif_clock(int mux_mode, int hd)
435 {
436         unsigned long flags;
437         unsigned int value;
438         int val = 0;
439         int err = 0;
440
441         if (!cpld_client)
442                 return -ENXIO;
443
444         /* disable the clock */
445         spin_lock_irqsave(&vpif_reg_lock, flags);
446         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
447         value |= (VIDCH3CLK | VIDCH2CLK);
448         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
449         spin_unlock_irqrestore(&vpif_reg_lock, flags);
450
451         val = i2c_smbus_read_byte(cpld_client);
452         if (val < 0)
453                 return val;
454
455         if (mux_mode == 1)
456                 val &= ~0x40;
457         else
458                 val |= 0x40;
459
460         err = i2c_smbus_write_byte(cpld_client, val);
461         if (err)
462                 return err;
463
464         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
465         value &= ~(VCH2CLK_MASK);
466         value &= ~(VCH3CLK_MASK);
467
468         if (hd >= 1)
469                 value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
470         else
471                 value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
472
473         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
474
475         spin_lock_irqsave(&vpif_reg_lock, flags);
476         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
477         /* enable the clock */
478         value &= ~(VIDCH3CLK | VIDCH2CLK);
479         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
480         spin_unlock_irqrestore(&vpif_reg_lock, flags);
481
482         return 0;
483 }
484
485 static struct vpif_subdev_info dm646x_vpif_subdev[] = {
486         {
487                 .name   = "adv7343",
488                 .board_info = {
489                         I2C_BOARD_INFO("adv7343", 0x2a),
490                 },
491         },
492         {
493                 .name   = "ths7303",
494                 .board_info = {
495                         I2C_BOARD_INFO("ths7303", 0x2c),
496                 },
497         },
498 };
499
500 static const struct vpif_output dm6467_ch0_outputs[] = {
501         {
502                 .output = {
503                         .index = 0,
504                         .name = "Composite",
505                         .type = V4L2_OUTPUT_TYPE_ANALOG,
506                         .capabilities = V4L2_OUT_CAP_STD,
507                         .std = V4L2_STD_ALL,
508                 },
509                 .subdev_name = "adv7343",
510                 .output_route = ADV7343_COMPOSITE_ID,
511         },
512         {
513                 .output = {
514                         .index = 1,
515                         .name = "Component",
516                         .type = V4L2_OUTPUT_TYPE_ANALOG,
517                         .capabilities = V4L2_OUT_CAP_CUSTOM_TIMINGS,
518                 },
519                 .subdev_name = "adv7343",
520                 .output_route = ADV7343_COMPONENT_ID,
521         },
522         {
523                 .output = {
524                         .index = 2,
525                         .name = "S-Video",
526                         .type = V4L2_OUTPUT_TYPE_ANALOG,
527                         .capabilities = V4L2_OUT_CAP_STD,
528                         .std = V4L2_STD_ALL,
529                 },
530                 .subdev_name = "adv7343",
531                 .output_route = ADV7343_SVIDEO_ID,
532         },
533 };
534
535 static struct vpif_display_config dm646x_vpif_display_config = {
536         .set_clock      = set_vpif_clock,
537         .subdevinfo     = dm646x_vpif_subdev,
538         .subdev_count   = ARRAY_SIZE(dm646x_vpif_subdev),
539         .chan_config[0] = {
540                 .outputs = dm6467_ch0_outputs,
541                 .output_count = ARRAY_SIZE(dm6467_ch0_outputs),
542         },
543         .card_name      = "DM646x EVM",
544 };
545
546 /**
547  * setup_vpif_input_path()
548  * @channel: channel id (0 - CH0, 1 - CH1)
549  * @sub_dev_name: ptr sub device name
550  *
551  * This will set vpif input to capture data from tvp514x or
552  * tvp7002.
553  */
554 static int setup_vpif_input_path(int channel, const char *sub_dev_name)
555 {
556         int err = 0;
557         int val;
558
559         /* for channel 1, we don't do anything */
560         if (channel != 0)
561                 return 0;
562
563         if (!cpld_client)
564                 return -ENXIO;
565
566         val = i2c_smbus_read_byte(cpld_client);
567         if (val < 0)
568                 return val;
569
570         if (!strcmp(sub_dev_name, TVP5147_CH0) ||
571             !strcmp(sub_dev_name, TVP5147_CH1))
572                 val &= TVP5147_INPUT;
573         else
574                 val |= TVP7002_INPUT;
575
576         err = i2c_smbus_write_byte(cpld_client, val);
577         if (err)
578                 return err;
579         return 0;
580 }
581
582 /**
583  * setup_vpif_input_channel_mode()
584  * @mux_mode:  mux mode. 0 - 1 channel or (1) - 2 channel
585  *
586  * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
587  */
588 static int setup_vpif_input_channel_mode(int mux_mode)
589 {
590         unsigned long flags;
591         int err = 0;
592         int val;
593         u32 value;
594
595         if (!cpld_client)
596                 return -ENXIO;
597
598         val = i2c_smbus_read_byte(cpld_client);
599         if (val < 0)
600                 return val;
601
602         spin_lock_irqsave(&vpif_reg_lock, flags);
603         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
604         if (mux_mode) {
605                 val &= VPIF_INPUT_TWO_CHANNEL;
606                 value |= VIDCH1CLK;
607         } else {
608                 val |= VPIF_INPUT_ONE_CHANNEL;
609                 value &= ~VIDCH1CLK;
610         }
611         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
612         spin_unlock_irqrestore(&vpif_reg_lock, flags);
613
614         err = i2c_smbus_write_byte(cpld_client, val);
615         if (err)
616                 return err;
617
618         return 0;
619 }
620
621 static struct tvp514x_platform_data tvp5146_pdata = {
622         .clk_polarity = 0,
623         .hs_polarity = 1,
624         .vs_polarity = 1
625 };
626
627 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
628
629 static struct vpif_subdev_info vpif_capture_sdev_info[] = {
630         {
631                 .name   = TVP5147_CH0,
632                 .board_info = {
633                         I2C_BOARD_INFO("tvp5146", 0x5d),
634                         .platform_data = &tvp5146_pdata,
635                 },
636         },
637         {
638                 .name   = TVP5147_CH1,
639                 .board_info = {
640                         I2C_BOARD_INFO("tvp5146", 0x5c),
641                         .platform_data = &tvp5146_pdata,
642                 },
643         },
644 };
645
646 static const struct vpif_input dm6467_ch0_inputs[] = {
647         {
648                 .input = {
649                         .index = 0,
650                         .name = "Composite",
651                         .type = V4L2_INPUT_TYPE_CAMERA,
652                         .capabilities = V4L2_IN_CAP_STD,
653                         .std = TVP514X_STD_ALL,
654                 },
655                 .subdev_name = TVP5147_CH0,
656                 .input_route = INPUT_CVBS_VI2B,
657                 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
658         },
659 };
660
661 static const struct vpif_input dm6467_ch1_inputs[] = {
662        {
663                 .input = {
664                         .index = 0,
665                         .name = "S-Video",
666                         .type = V4L2_INPUT_TYPE_CAMERA,
667                         .capabilities = V4L2_IN_CAP_STD,
668                         .std = TVP514X_STD_ALL,
669                 },
670                 .subdev_name = TVP5147_CH1,
671                 .input_route = INPUT_SVIDEO_VI2C_VI1C,
672                 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
673         },
674 };
675
676 static struct vpif_capture_config dm646x_vpif_capture_cfg = {
677         .setup_input_path = setup_vpif_input_path,
678         .setup_input_channel_mode = setup_vpif_input_channel_mode,
679         .subdev_info = vpif_capture_sdev_info,
680         .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
681         .chan_config[0] = {
682                 .inputs = dm6467_ch0_inputs,
683                 .input_count = ARRAY_SIZE(dm6467_ch0_inputs),
684                 .vpif_if = {
685                         .if_type = VPIF_IF_BT656,
686                         .hd_pol = 1,
687                         .vd_pol = 1,
688                         .fid_pol = 0,
689                 },
690         },
691         .chan_config[1] = {
692                 .inputs = dm6467_ch1_inputs,
693                 .input_count = ARRAY_SIZE(dm6467_ch1_inputs),
694                 .vpif_if = {
695                         .if_type = VPIF_IF_BT656,
696                         .hd_pol = 1,
697                         .vd_pol = 1,
698                         .fid_pol = 0,
699                 },
700         },
701 };
702
703 static void __init evm_init_video(void)
704 {
705         spin_lock_init(&vpif_reg_lock);
706
707         dm646x_setup_vpif(&dm646x_vpif_display_config,
708                           &dm646x_vpif_capture_cfg);
709 }
710
711 static void __init evm_init_i2c(void)
712 {
713         davinci_init_i2c(&i2c_pdata);
714         i2c_add_driver(&dm6467evm_cpld_driver);
715         i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
716         evm_init_cpld();
717         evm_init_video();
718 }
719
720 #define CDCE949_XIN_RATE        27000000
721
722 /* CDCE949 support - "lpsc" field is overridden to work as clock number */
723 static struct clk cdce_clk_in = {
724         .name   = "cdce_xin",
725         .rate   = CDCE949_XIN_RATE,
726 };
727
728 static struct clk_lookup cdce_clks[] = {
729         CLK(NULL, "xin", &cdce_clk_in),
730         CLK(NULL, NULL, NULL),
731 };
732
733 static void __init cdce_clk_init(void)
734 {
735         struct clk_lookup *c;
736         struct clk *clk;
737
738         for (c = cdce_clks; c->clk; c++) {
739                 clk = c->clk;
740                 clkdev_add(c);
741                 clk_register(clk);
742         }
743 }
744
745 #define DM6467T_EVM_REF_FREQ            33000000
746
747 static void __init davinci_map_io(void)
748 {
749         dm646x_init();
750
751         if (machine_is_davinci_dm6467tevm())
752                 davinci_set_refclk_rate(DM6467T_EVM_REF_FREQ);
753
754         cdce_clk_init();
755 }
756
757 static struct davinci_uart_config uart_config __initdata = {
758         .enabled_uarts = (1 << 0),
759 };
760
761 #define DM646X_EVM_PHY_ID               "davinci_mdio-0:01"
762 /*
763  * The following EDMA channels/slots are not being used by drivers (for
764  * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
765  * reserved for codecs on the DSP side.
766  */
767 static const s16 dm646x_dma_rsv_chans[][2] = {
768         /* (offset, number) */
769         { 0,  4},
770         {13,  3},
771         {24,  4},
772         {30,  2},
773         {54,  3},
774         {-1, -1}
775 };
776
777 static const s16 dm646x_dma_rsv_slots[][2] = {
778         /* (offset, number) */
779         { 0,  4},
780         {13,  3},
781         {24,  4},
782         {30,  2},
783         {54,  3},
784         {128, 384},
785         {-1, -1}
786 };
787
788 static struct edma_rsv_info dm646x_edma_rsv[] = {
789         {
790                 .rsv_chans      = dm646x_dma_rsv_chans,
791                 .rsv_slots      = dm646x_dma_rsv_slots,
792         },
793 };
794
795 static __init void evm_init(void)
796 {
797         struct davinci_soc_info *soc_info = &davinci_soc_info;
798
799         evm_init_i2c();
800         davinci_serial_init(&uart_config);
801         dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
802         dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
803
804         if (machine_is_davinci_dm6467tevm())
805                 davinci_nand_data.timing = &dm6467tevm_nandflash_timing;
806
807         platform_device_register(&davinci_nand_device);
808
809         dm646x_init_edma(dm646x_edma_rsv);
810
811         if (HAS_ATA)
812                 davinci_init_ide();
813
814         soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
815 }
816
817 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
818         .atag_offset  = 0x100,
819         .map_io       = davinci_map_io,
820         .init_irq     = davinci_irq_init,
821         .init_time      = davinci_timer_init,
822         .init_machine = evm_init,
823         .init_late      = davinci_init_late,
824         .dma_zone_size  = SZ_128M,
825         .restart        = davinci_restart,
826 MACHINE_END
827
828 MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
829         .atag_offset  = 0x100,
830         .map_io       = davinci_map_io,
831         .init_irq     = davinci_irq_init,
832         .init_time      = davinci_timer_init,
833         .init_machine = evm_init,
834         .init_late      = davinci_init_late,
835         .dma_zone_size  = SZ_128M,
836         .restart        = davinci_restart,
837 MACHINE_END
838