Merge branch 'timer/cleanup' into late/mvebu2
[GitHub/mt8127/android_kernel_alcatel_ttab.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