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/platform_data/at24.h>
26 #include <linux/i2c/pcf857x.h>
27
28 #include <media/i2c/tvp514x.h>
29 #include <media/i2c/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 #include <linux/platform_data/gpio-davinci.h>
37 #include <linux/platform_data/i2c-davinci.h>
38 #include <linux/platform_data/mtd-davinci.h>
39 #include <linux/platform_data/mtd-davinci-aemif.h>
40
41 #include <asm/mach-types.h>
42 #include <asm/mach/arch.h>
43
44 #include <mach/common.h>
45 #include <mach/irqs.h>
46 #include <mach/serial.h>
47 #include <mach/clock.h>
48
49 #include "davinci.h"
50 #include "clock.h"
51
52 #define NAND_BLOCK_SIZE SZ_128K
53
54 /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
55 * and U-Boot environment this avoids dependency on any particular combination
56 * of UBL, U-Boot or flashing tools etc.
57 */
58 static struct mtd_partition davinci_nand_partitions[] = {
59 {
60 /* UBL, U-Boot with environment */
61 .name = "bootloader",
62 .offset = MTDPART_OFS_APPEND,
63 .size = 16 * NAND_BLOCK_SIZE,
64 .mask_flags = MTD_WRITEABLE, /* force read-only */
65 }, {
66 .name = "kernel",
67 .offset = MTDPART_OFS_APPEND,
68 .size = SZ_4M,
69 .mask_flags = 0,
70 }, {
71 .name = "filesystem",
72 .offset = MTDPART_OFS_APPEND,
73 .size = MTDPART_SIZ_FULL,
74 .mask_flags = 0,
75 }
76 };
77
78 static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
79 .wsetup = 29,
80 .wstrobe = 24,
81 .whold = 14,
82 .rsetup = 19,
83 .rstrobe = 33,
84 .rhold = 0,
85 .ta = 29,
86 };
87
88 static struct davinci_nand_pdata davinci_nand_data = {
89 .mask_cle = 0x80000,
90 .mask_ale = 0x40000,
91 .parts = davinci_nand_partitions,
92 .nr_parts = ARRAY_SIZE(davinci_nand_partitions),
93 .ecc_mode = NAND_ECC_HW,
94 .ecc_bits = 1,
95 .options = 0,
96 };
97
98 static struct resource davinci_nand_resources[] = {
99 {
100 .start = DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
101 .end = DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
102 .flags = IORESOURCE_MEM,
103 }, {
104 .start = DM646X_ASYNC_EMIF_CONTROL_BASE,
105 .end = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
106 .flags = IORESOURCE_MEM,
107 },
108 };
109
110 static struct platform_device davinci_nand_device = {
111 .name = "davinci_nand",
112 .id = 0,
113
114 .num_resources = ARRAY_SIZE(davinci_nand_resources),
115 .resource = davinci_nand_resources,
116
117 .dev = {
118 .platform_data = &davinci_nand_data,
119 },
120 };
121
122 #define HAS_ATA IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710)
123
124 #ifdef CONFIG_I2C
125 /* CPLD Register 0 bits to control ATA */
126 #define DM646X_EVM_ATA_RST BIT(0)
127 #define DM646X_EVM_ATA_PWD BIT(1)
128
129 /* CPLD Register 0 Client: used for I/O Control */
cpld_reg0_probe(struct i2c_client * client,const struct i2c_device_id * id)130 static int cpld_reg0_probe(struct i2c_client *client,
131 const struct i2c_device_id *id)
132 {
133 if (HAS_ATA) {
134 u8 data;
135 struct i2c_msg msg[2] = {
136 {
137 .addr = client->addr,
138 .flags = I2C_M_RD,
139 .len = 1,
140 .buf = &data,
141 },
142 {
143 .addr = client->addr,
144 .flags = 0,
145 .len = 1,
146 .buf = &data,
147 },
148 };
149
150 /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
151 i2c_transfer(client->adapter, msg, 1);
152 data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
153 i2c_transfer(client->adapter, msg + 1, 1);
154 }
155
156 return 0;
157 }
158
159 static const struct i2c_device_id cpld_reg_ids[] = {
160 { "cpld_reg0", 0, },
161 { },
162 };
163
164 static struct i2c_driver dm6467evm_cpld_driver = {
165 .driver.name = "cpld_reg0",
166 .id_table = cpld_reg_ids,
167 .probe = cpld_reg0_probe,
168 };
169
170 /* LEDS */
171
172 static struct gpio_led evm_leds[] = {
173 { .name = "DS1", .active_low = 1, },
174 { .name = "DS2", .active_low = 1, },
175 { .name = "DS3", .active_low = 1, },
176 { .name = "DS4", .active_low = 1, },
177 };
178
179 static const struct gpio_led_platform_data evm_led_data = {
180 .num_leds = ARRAY_SIZE(evm_leds),
181 .leds = evm_leds,
182 };
183
184 static struct platform_device *evm_led_dev;
185
evm_led_setup(struct i2c_client * client,int gpio,unsigned int ngpio,void * c)186 static int evm_led_setup(struct i2c_client *client, int gpio,
187 unsigned int ngpio, void *c)
188 {
189 struct gpio_led *leds = evm_leds;
190 int status;
191
192 while (ngpio--) {
193 leds->gpio = gpio++;
194 leds++;
195 }
196
197 evm_led_dev = platform_device_alloc("leds-gpio", 0);
198 platform_device_add_data(evm_led_dev, &evm_led_data,
199 sizeof(evm_led_data));
200
201 evm_led_dev->dev.parent = &client->dev;
202 status = platform_device_add(evm_led_dev);
203 if (status < 0) {
204 platform_device_put(evm_led_dev);
205 evm_led_dev = NULL;
206 }
207 return status;
208 }
209
evm_led_teardown(struct i2c_client * client,int gpio,unsigned ngpio,void * c)210 static int evm_led_teardown(struct i2c_client *client, int gpio,
211 unsigned ngpio, void *c)
212 {
213 if (evm_led_dev) {
214 platform_device_unregister(evm_led_dev);
215 evm_led_dev = NULL;
216 }
217 return 0;
218 }
219
220 static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
221
evm_sw_setup(struct i2c_client * client,int gpio,unsigned ngpio,void * c)222 static int evm_sw_setup(struct i2c_client *client, int gpio,
223 unsigned ngpio, void *c)
224 {
225 int status;
226 int i;
227 char label[10];
228
229 for (i = 0; i < 4; ++i) {
230 snprintf(label, 10, "user_sw%d", i);
231 status = gpio_request(gpio, label);
232 if (status)
233 goto out_free;
234 evm_sw_gpio[i] = gpio++;
235
236 status = gpio_direction_input(evm_sw_gpio[i]);
237 if (status) {
238 gpio_free(evm_sw_gpio[i]);
239 evm_sw_gpio[i] = -EINVAL;
240 goto out_free;
241 }
242
243 status = gpio_export(evm_sw_gpio[i], 0);
244 if (status) {
245 gpio_free(evm_sw_gpio[i]);
246 evm_sw_gpio[i] = -EINVAL;
247 goto out_free;
248 }
249 }
250 return status;
251 out_free:
252 for (i = 0; i < 4; ++i) {
253 if (evm_sw_gpio[i] != -EINVAL) {
254 gpio_free(evm_sw_gpio[i]);
255 evm_sw_gpio[i] = -EINVAL;
256 }
257 }
258 return status;
259 }
260
evm_sw_teardown(struct i2c_client * client,int gpio,unsigned ngpio,void * c)261 static int evm_sw_teardown(struct i2c_client *client, int gpio,
262 unsigned ngpio, void *c)
263 {
264 int i;
265
266 for (i = 0; i < 4; ++i) {
267 if (evm_sw_gpio[i] != -EINVAL) {
268 gpio_unexport(evm_sw_gpio[i]);
269 gpio_free(evm_sw_gpio[i]);
270 evm_sw_gpio[i] = -EINVAL;
271 }
272 }
273 return 0;
274 }
275
evm_pcf_setup(struct i2c_client * client,int gpio,unsigned int ngpio,void * c)276 static int evm_pcf_setup(struct i2c_client *client, int gpio,
277 unsigned int ngpio, void *c)
278 {
279 int status;
280
281 if (ngpio < 8)
282 return -EINVAL;
283
284 status = evm_sw_setup(client, gpio, 4, c);
285 if (status)
286 return status;
287
288 return evm_led_setup(client, gpio+4, 4, c);
289 }
290
evm_pcf_teardown(struct i2c_client * client,int gpio,unsigned int ngpio,void * c)291 static int evm_pcf_teardown(struct i2c_client *client, int gpio,
292 unsigned int ngpio, void *c)
293 {
294 BUG_ON(ngpio < 8);
295
296 evm_sw_teardown(client, gpio, 4, c);
297 evm_led_teardown(client, gpio+4, 4, c);
298
299 return 0;
300 }
301
302 static struct pcf857x_platform_data pcf_data = {
303 .gpio_base = DAVINCI_N_GPIO+1,
304 .setup = evm_pcf_setup,
305 .teardown = evm_pcf_teardown,
306 };
307
308 /* Most of this EEPROM is unused, but U-Boot uses some data:
309 * - 0x7f00, 6 bytes Ethernet Address
310 * - ... newer boards may have more
311 */
312
313 static struct at24_platform_data eeprom_info = {
314 .byte_len = (256*1024) / 8,
315 .page_size = 64,
316 .flags = AT24_FLAG_ADDR16,
317 .setup = davinci_get_mac_addr,
318 .context = (void *)0x7f00,
319 };
320 #endif
321
322 static u8 dm646x_iis_serializer_direction[] = {
323 TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
324 };
325
326 static u8 dm646x_dit_serializer_direction[] = {
327 TX_MODE,
328 };
329
330 static struct snd_platform_data dm646x_evm_snd_data[] = {
331 {
332 .tx_dma_offset = 0x400,
333 .rx_dma_offset = 0x400,
334 .op_mode = DAVINCI_MCASP_IIS_MODE,
335 .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
336 .tdm_slots = 2,
337 .serial_dir = dm646x_iis_serializer_direction,
338 .asp_chan_q = EVENTQ_0,
339 },
340 {
341 .tx_dma_offset = 0x400,
342 .rx_dma_offset = 0,
343 .op_mode = DAVINCI_MCASP_DIT_MODE,
344 .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
345 .tdm_slots = 32,
346 .serial_dir = dm646x_dit_serializer_direction,
347 .asp_chan_q = EVENTQ_0,
348 },
349 };
350
351 #ifdef CONFIG_I2C
352 static struct i2c_client *cpld_client;
353
cpld_video_probe(struct i2c_client * client,const struct i2c_device_id * id)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
cpld_video_remove(struct i2c_client * client)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
evm_init_cpld(void)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
406 static struct davinci_i2c_platform_data i2c_pdata = {
407 .bus_freq = 100 /* kHz */,
408 .bus_delay = 0 /* usec */,
409 };
410
411 #define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
412 #define VCH2CLK_SYSCLK8 (BIT(9))
413 #define VCH2CLK_AUXCLK (BIT(9) | BIT(8))
414 #define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
415 #define VCH3CLK_SYSCLK8 (BIT(13))
416 #define VCH3CLK_AUXCLK (BIT(14) | BIT(13))
417
418 #define VIDCH2CLK (BIT(10))
419 #define VIDCH3CLK (BIT(11))
420 #define VIDCH1CLK (BIT(4))
421 #define TVP7002_INPUT (BIT(4))
422 #define TVP5147_INPUT (~BIT(4))
423 #define VPIF_INPUT_ONE_CHANNEL (BIT(5))
424 #define VPIF_INPUT_TWO_CHANNEL (~BIT(5))
425 #define TVP5147_CH0 "tvp514x-0"
426 #define TVP5147_CH1 "tvp514x-1"
427
428 /* spin lock for updating above registers */
429 static spinlock_t vpif_reg_lock;
430
set_vpif_clock(int mux_mode,int hd)431 static int set_vpif_clock(int mux_mode, int hd)
432 {
433 unsigned long flags;
434 unsigned int value;
435 int val = 0;
436 int err = 0;
437
438 if (!cpld_client)
439 return -ENXIO;
440
441 /* disable the clock */
442 spin_lock_irqsave(&vpif_reg_lock, flags);
443 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
444 value |= (VIDCH3CLK | VIDCH2CLK);
445 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
446 spin_unlock_irqrestore(&vpif_reg_lock, flags);
447
448 val = i2c_smbus_read_byte(cpld_client);
449 if (val < 0)
450 return val;
451
452 if (mux_mode == 1)
453 val &= ~0x40;
454 else
455 val |= 0x40;
456
457 err = i2c_smbus_write_byte(cpld_client, val);
458 if (err)
459 return err;
460
461 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
462 value &= ~(VCH2CLK_MASK);
463 value &= ~(VCH3CLK_MASK);
464
465 if (hd >= 1)
466 value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
467 else
468 value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
469
470 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
471
472 spin_lock_irqsave(&vpif_reg_lock, flags);
473 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
474 /* enable the clock */
475 value &= ~(VIDCH3CLK | VIDCH2CLK);
476 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
477 spin_unlock_irqrestore(&vpif_reg_lock, flags);
478
479 return 0;
480 }
481
482 static struct vpif_subdev_info dm646x_vpif_subdev[] = {
483 {
484 .name = "adv7343",
485 .board_info = {
486 I2C_BOARD_INFO("adv7343", 0x2a),
487 },
488 },
489 {
490 .name = "ths7303",
491 .board_info = {
492 I2C_BOARD_INFO("ths7303", 0x2c),
493 },
494 },
495 };
496
497 static const struct vpif_output dm6467_ch0_outputs[] = {
498 {
499 .output = {
500 .index = 0,
501 .name = "Composite",
502 .type = V4L2_OUTPUT_TYPE_ANALOG,
503 .capabilities = V4L2_OUT_CAP_STD,
504 .std = V4L2_STD_ALL,
505 },
506 .subdev_name = "adv7343",
507 .output_route = ADV7343_COMPOSITE_ID,
508 },
509 {
510 .output = {
511 .index = 1,
512 .name = "Component",
513 .type = V4L2_OUTPUT_TYPE_ANALOG,
514 .capabilities = V4L2_OUT_CAP_DV_TIMINGS,
515 },
516 .subdev_name = "adv7343",
517 .output_route = ADV7343_COMPONENT_ID,
518 },
519 {
520 .output = {
521 .index = 2,
522 .name = "S-Video",
523 .type = V4L2_OUTPUT_TYPE_ANALOG,
524 .capabilities = V4L2_OUT_CAP_STD,
525 .std = V4L2_STD_ALL,
526 },
527 .subdev_name = "adv7343",
528 .output_route = ADV7343_SVIDEO_ID,
529 },
530 };
531
532 static struct vpif_display_config dm646x_vpif_display_config = {
533 .set_clock = set_vpif_clock,
534 .subdevinfo = dm646x_vpif_subdev,
535 .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev),
536 .chan_config[0] = {
537 .outputs = dm6467_ch0_outputs,
538 .output_count = ARRAY_SIZE(dm6467_ch0_outputs),
539 },
540 .card_name = "DM646x EVM",
541 };
542
543 /**
544 * setup_vpif_input_path()
545 * @channel: channel id (0 - CH0, 1 - CH1)
546 * @sub_dev_name: ptr sub device name
547 *
548 * This will set vpif input to capture data from tvp514x or
549 * tvp7002.
550 */
setup_vpif_input_path(int channel,const char * sub_dev_name)551 static int setup_vpif_input_path(int channel, const char *sub_dev_name)
552 {
553 int err = 0;
554 int val;
555
556 /* for channel 1, we don't do anything */
557 if (channel != 0)
558 return 0;
559
560 if (!cpld_client)
561 return -ENXIO;
562
563 val = i2c_smbus_read_byte(cpld_client);
564 if (val < 0)
565 return val;
566
567 if (!strcmp(sub_dev_name, TVP5147_CH0) ||
568 !strcmp(sub_dev_name, TVP5147_CH1))
569 val &= TVP5147_INPUT;
570 else
571 val |= TVP7002_INPUT;
572
573 err = i2c_smbus_write_byte(cpld_client, val);
574 if (err)
575 return err;
576 return 0;
577 }
578
579 /**
580 * setup_vpif_input_channel_mode()
581 * @mux_mode: mux mode. 0 - 1 channel or (1) - 2 channel
582 *
583 * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
584 */
setup_vpif_input_channel_mode(int mux_mode)585 static int setup_vpif_input_channel_mode(int mux_mode)
586 {
587 unsigned long flags;
588 int err = 0;
589 int val;
590 u32 value;
591
592 if (!cpld_client)
593 return -ENXIO;
594
595 val = i2c_smbus_read_byte(cpld_client);
596 if (val < 0)
597 return val;
598
599 spin_lock_irqsave(&vpif_reg_lock, flags);
600 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
601 if (mux_mode) {
602 val &= VPIF_INPUT_TWO_CHANNEL;
603 value |= VIDCH1CLK;
604 } else {
605 val |= VPIF_INPUT_ONE_CHANNEL;
606 value &= ~VIDCH1CLK;
607 }
608 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
609 spin_unlock_irqrestore(&vpif_reg_lock, flags);
610
611 err = i2c_smbus_write_byte(cpld_client, val);
612 if (err)
613 return err;
614
615 return 0;
616 }
617
618 static struct tvp514x_platform_data tvp5146_pdata = {
619 .clk_polarity = 0,
620 .hs_polarity = 1,
621 .vs_polarity = 1
622 };
623
624 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
625
626 static struct vpif_subdev_info vpif_capture_sdev_info[] = {
627 {
628 .name = TVP5147_CH0,
629 .board_info = {
630 I2C_BOARD_INFO("tvp5146", 0x5d),
631 .platform_data = &tvp5146_pdata,
632 },
633 },
634 {
635 .name = TVP5147_CH1,
636 .board_info = {
637 I2C_BOARD_INFO("tvp5146", 0x5c),
638 .platform_data = &tvp5146_pdata,
639 },
640 },
641 };
642
643 static const struct vpif_input dm6467_ch0_inputs[] = {
644 {
645 .input = {
646 .index = 0,
647 .name = "Composite",
648 .type = V4L2_INPUT_TYPE_CAMERA,
649 .capabilities = V4L2_IN_CAP_STD,
650 .std = TVP514X_STD_ALL,
651 },
652 .subdev_name = TVP5147_CH0,
653 .input_route = INPUT_CVBS_VI2B,
654 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
655 },
656 };
657
658 static const struct vpif_input dm6467_ch1_inputs[] = {
659 {
660 .input = {
661 .index = 0,
662 .name = "S-Video",
663 .type = V4L2_INPUT_TYPE_CAMERA,
664 .capabilities = V4L2_IN_CAP_STD,
665 .std = TVP514X_STD_ALL,
666 },
667 .subdev_name = TVP5147_CH1,
668 .input_route = INPUT_SVIDEO_VI2C_VI1C,
669 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
670 },
671 };
672
673 static struct vpif_capture_config dm646x_vpif_capture_cfg = {
674 .setup_input_path = setup_vpif_input_path,
675 .setup_input_channel_mode = setup_vpif_input_channel_mode,
676 .subdev_info = vpif_capture_sdev_info,
677 .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
678 .chan_config[0] = {
679 .inputs = dm6467_ch0_inputs,
680 .input_count = ARRAY_SIZE(dm6467_ch0_inputs),
681 .vpif_if = {
682 .if_type = VPIF_IF_BT656,
683 .hd_pol = 1,
684 .vd_pol = 1,
685 .fid_pol = 0,
686 },
687 },
688 .chan_config[1] = {
689 .inputs = dm6467_ch1_inputs,
690 .input_count = ARRAY_SIZE(dm6467_ch1_inputs),
691 .vpif_if = {
692 .if_type = VPIF_IF_BT656,
693 .hd_pol = 1,
694 .vd_pol = 1,
695 .fid_pol = 0,
696 },
697 },
698 };
699
evm_init_video(void)700 static void __init evm_init_video(void)
701 {
702 spin_lock_init(&vpif_reg_lock);
703
704 dm646x_setup_vpif(&dm646x_vpif_display_config,
705 &dm646x_vpif_capture_cfg);
706 }
707
evm_init_i2c(void)708 static void __init evm_init_i2c(void)
709 {
710 davinci_init_i2c(&i2c_pdata);
711 i2c_add_driver(&dm6467evm_cpld_driver);
712 i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
713 evm_init_cpld();
714 evm_init_video();
715 }
716 #endif
717
718 #define DM6467T_EVM_REF_FREQ 33000000
719
davinci_map_io(void)720 static void __init davinci_map_io(void)
721 {
722 dm646x_init();
723
724 if (machine_is_davinci_dm6467tevm())
725 davinci_set_refclk_rate(DM6467T_EVM_REF_FREQ);
726 }
727
728 #define DM646X_EVM_PHY_ID "davinci_mdio-0:01"
729 /*
730 * The following EDMA channels/slots are not being used by drivers (for
731 * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
732 * reserved for codecs on the DSP side.
733 */
734 static const s16 dm646x_dma_rsv_chans[][2] = {
735 /* (offset, number) */
736 { 0, 4},
737 {13, 3},
738 {24, 4},
739 {30, 2},
740 {54, 3},
741 {-1, -1}
742 };
743
744 static const s16 dm646x_dma_rsv_slots[][2] = {
745 /* (offset, number) */
746 { 0, 4},
747 {13, 3},
748 {24, 4},
749 {30, 2},
750 {54, 3},
751 {128, 384},
752 {-1, -1}
753 };
754
755 static struct edma_rsv_info dm646x_edma_rsv[] = {
756 {
757 .rsv_chans = dm646x_dma_rsv_chans,
758 .rsv_slots = dm646x_dma_rsv_slots,
759 },
760 };
761
evm_init(void)762 static __init void evm_init(void)
763 {
764 int ret;
765 struct davinci_soc_info *soc_info = &davinci_soc_info;
766
767 ret = dm646x_gpio_register();
768 if (ret)
769 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
770
771 #ifdef CONFIG_I2C
772 evm_init_i2c();
773 #endif
774
775 davinci_serial_init(dm646x_serial_device);
776 dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
777 dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
778
779 if (machine_is_davinci_dm6467tevm())
780 davinci_nand_data.timing = &dm6467tevm_nandflash_timing;
781
782 platform_device_register(&davinci_nand_device);
783
784 if (davinci_aemif_setup(&davinci_nand_device))
785 pr_warn("%s: Cannot configure AEMIF.\n", __func__);
786
787 dm646x_init_edma(dm646x_edma_rsv);
788
789 if (HAS_ATA)
790 davinci_init_ide();
791
792 soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
793 }
794
795 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
796 .atag_offset = 0x100,
797 .map_io = davinci_map_io,
798 .init_irq = davinci_irq_init,
799 .init_time = davinci_timer_init,
800 .init_machine = evm_init,
801 .init_late = davinci_init_late,
802 .dma_zone_size = SZ_128M,
803 .restart = davinci_restart,
804 MACHINE_END
805
806 MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
807 .atag_offset = 0x100,
808 .map_io = davinci_map_io,
809 .init_irq = davinci_irq_init,
810 .init_time = davinci_timer_init,
811 .init_machine = evm_init,
812 .init_late = davinci_init_late,
813 .dma_zone_size = SZ_128M,
814 .restart = davinci_restart,
815 MACHINE_END
816
817