board-dm644x-evm.c revision c6121ddd1f75278ab77504af2914d07831558672
1/*
2 * TI DaVinci EVM board support
3 *
4 * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
5 *
6 * 2007 (c) MontaVista Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
9 * or implied.
10 */
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/dma-mapping.h>
14#include <linux/platform_device.h>
15#include <linux/gpio.h>
16#include <linux/i2c.h>
17#include <linux/i2c/pcf857x.h>
18#include <linux/i2c/at24.h>
19#include <linux/mtd/mtd.h>
20#include <linux/mtd/nand.h>
21#include <linux/mtd/partitions.h>
22#include <linux/mtd/physmap.h>
23#include <linux/phy.h>
24#include <linux/clk.h>
25#include <linux/videodev2.h>
26#include <linux/export.h>
27
28#include <media/tvp514x.h>
29
30#include <asm/mach-types.h>
31#include <asm/mach/arch.h>
32
33#include <mach/dm644x.h>
34#include <mach/common.h>
35#include <mach/i2c.h>
36#include <mach/serial.h>
37#include <mach/mux.h>
38#include <mach/nand.h>
39#include <mach/mmc.h>
40#include <mach/usb.h>
41#include <mach/aemif.h>
42
43#define DM644X_EVM_PHY_ID		"0:01"
44#define LXT971_PHY_ID	(0x001378e2)
45#define LXT971_PHY_MASK	(0xfffffff0)
46
47static struct mtd_partition davinci_evm_norflash_partitions[] = {
48	/* bootloader (UBL, U-Boot, etc) in first 5 sectors */
49	{
50		.name		= "bootloader",
51		.offset		= 0,
52		.size		= 5 * SZ_64K,
53		.mask_flags	= MTD_WRITEABLE, /* force read-only */
54	},
55	/* bootloader params in the next 1 sectors */
56	{
57		.name		= "params",
58		.offset		= MTDPART_OFS_APPEND,
59		.size		= SZ_64K,
60		.mask_flags	= 0,
61	},
62	/* kernel */
63	{
64		.name		= "kernel",
65		.offset		= MTDPART_OFS_APPEND,
66		.size		= SZ_2M,
67		.mask_flags	= 0
68	},
69	/* file system */
70	{
71		.name		= "filesystem",
72		.offset		= MTDPART_OFS_APPEND,
73		.size		= MTDPART_SIZ_FULL,
74		.mask_flags	= 0
75	}
76};
77
78static struct physmap_flash_data davinci_evm_norflash_data = {
79	.width		= 2,
80	.parts		= davinci_evm_norflash_partitions,
81	.nr_parts	= ARRAY_SIZE(davinci_evm_norflash_partitions),
82};
83
84/* NOTE: CFI probe will correctly detect flash part as 32M, but EMIF
85 * limits addresses to 16M, so using addresses past 16M will wrap */
86static struct resource davinci_evm_norflash_resource = {
87	.start		= DM644X_ASYNC_EMIF_DATA_CE0_BASE,
88	.end		= DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
89	.flags		= IORESOURCE_MEM,
90};
91
92static struct platform_device davinci_evm_norflash_device = {
93	.name		= "physmap-flash",
94	.id		= 0,
95	.dev		= {
96		.platform_data	= &davinci_evm_norflash_data,
97	},
98	.num_resources	= 1,
99	.resource	= &davinci_evm_norflash_resource,
100};
101
102/* DM644x EVM includes a 64 MByte small-page NAND flash (16K blocks).
103 * It may used instead of the (default) NOR chip to boot, using TI's
104 * tools to install the secondary boot loader (UBL) and U-Boot.
105 */
106static struct mtd_partition davinci_evm_nandflash_partition[] = {
107	/* Bootloader layout depends on whose u-boot is installed, but we
108	 * can hide all the details.
109	 *  - block 0 for u-boot environment ... in mainline u-boot
110	 *  - block 1 for UBL (plus up to four backup copies in blocks 2..5)
111	 *  - blocks 6...? for u-boot
112	 *  - blocks 16..23 for u-boot environment ... in TI's u-boot
113	 */
114	{
115		.name		= "bootloader",
116		.offset		= 0,
117		.size		= SZ_256K + SZ_128K,
118		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
119	},
120	/* Kernel */
121	{
122		.name		= "kernel",
123		.offset		= MTDPART_OFS_APPEND,
124		.size		= SZ_4M,
125		.mask_flags	= 0,
126	},
127	/* File system (older GIT kernels started this on the 5MB mark) */
128	{
129		.name		= "filesystem",
130		.offset		= MTDPART_OFS_APPEND,
131		.size		= MTDPART_SIZ_FULL,
132		.mask_flags	= 0,
133	}
134	/* A few blocks at end hold a flash BBT ... created by TI's CCS
135	 * using flashwriter_nand.out, but ignored by TI's versions of
136	 * Linux and u-boot.  We boot faster by using them.
137	 */
138};
139
140static struct davinci_aemif_timing davinci_evm_nandflash_timing = {
141	.wsetup		= 20,
142	.wstrobe	= 40,
143	.whold		= 20,
144	.rsetup		= 10,
145	.rstrobe	= 40,
146	.rhold		= 10,
147	.ta		= 40,
148};
149
150static struct davinci_nand_pdata davinci_evm_nandflash_data = {
151	.parts		= davinci_evm_nandflash_partition,
152	.nr_parts	= ARRAY_SIZE(davinci_evm_nandflash_partition),
153	.ecc_mode	= NAND_ECC_HW,
154	.bbt_options	= NAND_BBT_USE_FLASH,
155	.timing		= &davinci_evm_nandflash_timing,
156};
157
158static struct resource davinci_evm_nandflash_resource[] = {
159	{
160		.start		= DM644X_ASYNC_EMIF_DATA_CE0_BASE,
161		.end		= DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
162		.flags		= IORESOURCE_MEM,
163	}, {
164		.start		= DM644X_ASYNC_EMIF_CONTROL_BASE,
165		.end		= DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
166		.flags		= IORESOURCE_MEM,
167	},
168};
169
170static struct platform_device davinci_evm_nandflash_device = {
171	.name		= "davinci_nand",
172	.id		= 0,
173	.dev		= {
174		.platform_data	= &davinci_evm_nandflash_data,
175	},
176	.num_resources	= ARRAY_SIZE(davinci_evm_nandflash_resource),
177	.resource	= davinci_evm_nandflash_resource,
178};
179
180static u64 davinci_fb_dma_mask = DMA_BIT_MASK(32);
181
182static struct platform_device davinci_fb_device = {
183	.name		= "davincifb",
184	.id		= -1,
185	.dev = {
186		.dma_mask		= &davinci_fb_dma_mask,
187		.coherent_dma_mask      = DMA_BIT_MASK(32),
188	},
189	.num_resources = 0,
190};
191
192static struct tvp514x_platform_data tvp5146_pdata = {
193	.clk_polarity = 0,
194	.hs_polarity = 1,
195	.vs_polarity = 1
196};
197
198#define TVP514X_STD_ALL	(V4L2_STD_NTSC | V4L2_STD_PAL)
199/* Inputs available at the TVP5146 */
200static struct v4l2_input tvp5146_inputs[] = {
201	{
202		.index = 0,
203		.name = "Composite",
204		.type = V4L2_INPUT_TYPE_CAMERA,
205		.std = TVP514X_STD_ALL,
206	},
207	{
208		.index = 1,
209		.name = "S-Video",
210		.type = V4L2_INPUT_TYPE_CAMERA,
211		.std = TVP514X_STD_ALL,
212	},
213};
214
215/*
216 * this is the route info for connecting each input to decoder
217 * ouput that goes to vpfe. There is a one to one correspondence
218 * with tvp5146_inputs
219 */
220static struct vpfe_route tvp5146_routes[] = {
221	{
222		.input = INPUT_CVBS_VI2B,
223		.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
224	},
225	{
226		.input = INPUT_SVIDEO_VI2C_VI1C,
227		.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
228	},
229};
230
231static struct vpfe_subdev_info vpfe_sub_devs[] = {
232	{
233		.name = "tvp5146",
234		.grp_id = 0,
235		.num_inputs = ARRAY_SIZE(tvp5146_inputs),
236		.inputs = tvp5146_inputs,
237		.routes = tvp5146_routes,
238		.can_route = 1,
239		.ccdc_if_params = {
240			.if_type = VPFE_BT656,
241			.hdpol = VPFE_PINPOL_POSITIVE,
242			.vdpol = VPFE_PINPOL_POSITIVE,
243		},
244		.board_info = {
245			I2C_BOARD_INFO("tvp5146", 0x5d),
246			.platform_data = &tvp5146_pdata,
247		},
248	},
249};
250
251static struct vpfe_config vpfe_cfg = {
252	.num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
253	.i2c_adapter_id = 1,
254	.sub_devs = vpfe_sub_devs,
255	.card_name = "DM6446 EVM",
256	.ccdc = "DM6446 CCDC",
257};
258
259static struct platform_device rtc_dev = {
260	.name           = "rtc_davinci_evm",
261	.id             = -1,
262};
263
264static struct snd_platform_data dm644x_evm_snd_data;
265
266/*----------------------------------------------------------------------*/
267
268/*
269 * I2C GPIO expanders
270 */
271
272#define PCF_Uxx_BASE(x)	(DAVINCI_N_GPIO + ((x) * 8))
273
274
275/* U2 -- LEDs */
276
277static struct gpio_led evm_leds[] = {
278	{ .name = "DS8", .active_low = 1,
279		.default_trigger = "heartbeat", },
280	{ .name = "DS7", .active_low = 1, },
281	{ .name = "DS6", .active_low = 1, },
282	{ .name = "DS5", .active_low = 1, },
283	{ .name = "DS4", .active_low = 1, },
284	{ .name = "DS3", .active_low = 1, },
285	{ .name = "DS2", .active_low = 1,
286		.default_trigger = "mmc0", },
287	{ .name = "DS1", .active_low = 1,
288		.default_trigger = "ide-disk", },
289};
290
291static const struct gpio_led_platform_data evm_led_data = {
292	.num_leds	= ARRAY_SIZE(evm_leds),
293	.leds		= evm_leds,
294};
295
296static struct platform_device *evm_led_dev;
297
298static int
299evm_led_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
300{
301	struct gpio_led *leds = evm_leds;
302	int status;
303
304	while (ngpio--) {
305		leds->gpio = gpio++;
306		leds++;
307	}
308
309	/* what an extremely annoying way to be forced to handle
310	 * device unregistration ...
311	 */
312	evm_led_dev = platform_device_alloc("leds-gpio", 0);
313	platform_device_add_data(evm_led_dev,
314			&evm_led_data, sizeof evm_led_data);
315
316	evm_led_dev->dev.parent = &client->dev;
317	status = platform_device_add(evm_led_dev);
318	if (status < 0) {
319		platform_device_put(evm_led_dev);
320		evm_led_dev = NULL;
321	}
322	return status;
323}
324
325static int
326evm_led_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
327{
328	if (evm_led_dev) {
329		platform_device_unregister(evm_led_dev);
330		evm_led_dev = NULL;
331	}
332	return 0;
333}
334
335static struct pcf857x_platform_data pcf_data_u2 = {
336	.gpio_base	= PCF_Uxx_BASE(0),
337	.setup		= evm_led_setup,
338	.teardown	= evm_led_teardown,
339};
340
341
342/* U18 - A/V clock generator and user switch */
343
344static int sw_gpio;
345
346static ssize_t
347sw_show(struct device *d, struct device_attribute *a, char *buf)
348{
349	char *s = gpio_get_value_cansleep(sw_gpio) ? "on\n" : "off\n";
350
351	strcpy(buf, s);
352	return strlen(s);
353}
354
355static DEVICE_ATTR(user_sw, S_IRUGO, sw_show, NULL);
356
357static int
358evm_u18_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
359{
360	int	status;
361
362	/* export dip switch option */
363	sw_gpio = gpio + 7;
364	status = gpio_request(sw_gpio, "user_sw");
365	if (status == 0)
366		status = gpio_direction_input(sw_gpio);
367	if (status == 0)
368		status = device_create_file(&client->dev, &dev_attr_user_sw);
369	else
370		gpio_free(sw_gpio);
371	if (status != 0)
372		sw_gpio = -EINVAL;
373
374	/* audio PLL:  48 kHz (vs 44.1 or 32), single rate (vs double) */
375	gpio_request(gpio + 3, "pll_fs2");
376	gpio_direction_output(gpio + 3, 0);
377
378	gpio_request(gpio + 2, "pll_fs1");
379	gpio_direction_output(gpio + 2, 0);
380
381	gpio_request(gpio + 1, "pll_sr");
382	gpio_direction_output(gpio + 1, 0);
383
384	return 0;
385}
386
387static int
388evm_u18_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
389{
390	gpio_free(gpio + 1);
391	gpio_free(gpio + 2);
392	gpio_free(gpio + 3);
393
394	if (sw_gpio > 0) {
395		device_remove_file(&client->dev, &dev_attr_user_sw);
396		gpio_free(sw_gpio);
397	}
398	return 0;
399}
400
401static struct pcf857x_platform_data pcf_data_u18 = {
402	.gpio_base	= PCF_Uxx_BASE(1),
403	.n_latch	= (1 << 3) | (1 << 2) | (1 << 1),
404	.setup		= evm_u18_setup,
405	.teardown	= evm_u18_teardown,
406};
407
408
409/* U35 - various I/O signals used to manage USB, CF, ATA, etc */
410
411static int
412evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
413{
414	/* p0 = nDRV_VBUS (initial:  don't supply it) */
415	gpio_request(gpio + 0, "nDRV_VBUS");
416	gpio_direction_output(gpio + 0, 1);
417
418	/* p1 = VDDIMX_EN */
419	gpio_request(gpio + 1, "VDDIMX_EN");
420	gpio_direction_output(gpio + 1, 1);
421
422	/* p2 = VLYNQ_EN */
423	gpio_request(gpio + 2, "VLYNQ_EN");
424	gpio_direction_output(gpio + 2, 1);
425
426	/* p3 = n3V3_CF_RESET (initial: stay in reset) */
427	gpio_request(gpio + 3, "nCF_RESET");
428	gpio_direction_output(gpio + 3, 0);
429
430	/* (p4 unused) */
431
432	/* p5 = 1V8_WLAN_RESET (initial: stay in reset) */
433	gpio_request(gpio + 5, "WLAN_RESET");
434	gpio_direction_output(gpio + 5, 1);
435
436	/* p6 = nATA_SEL (initial: select) */
437	gpio_request(gpio + 6, "nATA_SEL");
438	gpio_direction_output(gpio + 6, 0);
439
440	/* p7 = nCF_SEL (initial: deselect) */
441	gpio_request(gpio + 7, "nCF_SEL");
442	gpio_direction_output(gpio + 7, 1);
443
444	return 0;
445}
446
447static int
448evm_u35_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
449{
450	gpio_free(gpio + 7);
451	gpio_free(gpio + 6);
452	gpio_free(gpio + 5);
453	gpio_free(gpio + 3);
454	gpio_free(gpio + 2);
455	gpio_free(gpio + 1);
456	gpio_free(gpio + 0);
457	return 0;
458}
459
460static struct pcf857x_platform_data pcf_data_u35 = {
461	.gpio_base	= PCF_Uxx_BASE(2),
462	.setup		= evm_u35_setup,
463	.teardown	= evm_u35_teardown,
464};
465
466/*----------------------------------------------------------------------*/
467
468/* Most of this EEPROM is unused, but U-Boot uses some data:
469 *  - 0x7f00, 6 bytes Ethernet Address
470 *  - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL)
471 *  - ... newer boards may have more
472 */
473
474static struct at24_platform_data eeprom_info = {
475	.byte_len	= (256*1024) / 8,
476	.page_size	= 64,
477	.flags		= AT24_FLAG_ADDR16,
478	.setup          = davinci_get_mac_addr,
479	.context	= (void *)0x7f00,
480};
481
482/*
483 * MSP430 supports RTC, card detection, input from IR remote, and
484 * a bit more.  It triggers interrupts on GPIO(7) from pressing
485 * buttons on the IR remote, and for card detect switches.
486 */
487static struct i2c_client *dm6446evm_msp;
488
489static int dm6446evm_msp_probe(struct i2c_client *client,
490		const struct i2c_device_id *id)
491{
492	dm6446evm_msp = client;
493	return 0;
494}
495
496static int dm6446evm_msp_remove(struct i2c_client *client)
497{
498	dm6446evm_msp = NULL;
499	return 0;
500}
501
502static const struct i2c_device_id dm6446evm_msp_ids[] = {
503	{ "dm6446evm_msp", 0, },
504	{ /* end of list */ },
505};
506
507static struct i2c_driver dm6446evm_msp_driver = {
508	.driver.name	= "dm6446evm_msp",
509	.id_table	= dm6446evm_msp_ids,
510	.probe		= dm6446evm_msp_probe,
511	.remove		= dm6446evm_msp_remove,
512};
513
514static int dm6444evm_msp430_get_pins(void)
515{
516	static const char txbuf[2] = { 2, 4, };
517	char buf[4];
518	struct i2c_msg msg[2] = {
519		{
520			.addr = dm6446evm_msp->addr,
521			.flags = 0,
522			.len = 2,
523			.buf = (void __force *)txbuf,
524		},
525		{
526			.addr = dm6446evm_msp->addr,
527			.flags = I2C_M_RD,
528			.len = 4,
529			.buf = buf,
530		},
531	};
532	int status;
533
534	if (!dm6446evm_msp)
535		return -ENXIO;
536
537	/* Command 4 == get input state, returns port 2 and port3 data
538	 *   S Addr W [A] len=2 [A] cmd=4 [A]
539	 *   RS Addr R [A] [len=4] A [cmd=4] A [port2] A [port3] N P
540	 */
541	status = i2c_transfer(dm6446evm_msp->adapter, msg, 2);
542	if (status < 0)
543		return status;
544
545	dev_dbg(&dm6446evm_msp->dev,
546		"PINS: %02x %02x %02x %02x\n",
547		buf[0], buf[1], buf[2], buf[3]);
548
549	return (buf[3] << 8) | buf[2];
550}
551
552static int dm6444evm_mmc_get_cd(int module)
553{
554	int status = dm6444evm_msp430_get_pins();
555
556	return (status < 0) ? status : !(status & BIT(1));
557}
558
559static int dm6444evm_mmc_get_ro(int module)
560{
561	int status = dm6444evm_msp430_get_pins();
562
563	return (status < 0) ? status : status & BIT(6 + 8);
564}
565
566static struct davinci_mmc_config dm6446evm_mmc_config = {
567	.get_cd		= dm6444evm_mmc_get_cd,
568	.get_ro		= dm6444evm_mmc_get_ro,
569	.wires		= 4,
570	.version	= MMC_CTLR_VERSION_1
571};
572
573static struct i2c_board_info __initdata i2c_info[] =  {
574	{
575		I2C_BOARD_INFO("dm6446evm_msp", 0x23),
576	},
577	{
578		I2C_BOARD_INFO("pcf8574", 0x38),
579		.platform_data	= &pcf_data_u2,
580	},
581	{
582		I2C_BOARD_INFO("pcf8574", 0x39),
583		.platform_data	= &pcf_data_u18,
584	},
585	{
586		I2C_BOARD_INFO("pcf8574", 0x3a),
587		.platform_data	= &pcf_data_u35,
588	},
589	{
590		I2C_BOARD_INFO("24c256", 0x50),
591		.platform_data	= &eeprom_info,
592	},
593	{
594		I2C_BOARD_INFO("tlv320aic33", 0x1b),
595	},
596};
597
598/* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz),
599 * which requires 100 usec of idle bus after i2c writes sent to it.
600 */
601static struct davinci_i2c_platform_data i2c_pdata = {
602	.bus_freq	= 20 /* kHz */,
603	.bus_delay	= 100 /* usec */,
604	.sda_pin        = 44,
605	.scl_pin        = 43,
606};
607
608static void __init evm_init_i2c(void)
609{
610	davinci_init_i2c(&i2c_pdata);
611	i2c_add_driver(&dm6446evm_msp_driver);
612	i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
613}
614
615static struct platform_device *davinci_evm_devices[] __initdata = {
616	&davinci_fb_device,
617	&rtc_dev,
618};
619
620static struct davinci_uart_config uart_config __initdata = {
621	.enabled_uarts = (1 << 0),
622};
623
624static void __init
625davinci_evm_map_io(void)
626{
627	/* setup input configuration for VPFE input devices */
628	dm644x_set_vpfe_config(&vpfe_cfg);
629	dm644x_init();
630}
631
632static int davinci_phy_fixup(struct phy_device *phydev)
633{
634	unsigned int control;
635	/* CRITICAL: Fix for increasing PHY signal drive strength for
636	 * TX lockup issue. On DaVinci EVM, the Intel LXT971 PHY
637	 * signal strength was low causing  TX to fail randomly. The
638	 * fix is to Set bit 11 (Increased MII drive strength) of PHY
639	 * register 26 (Digital Config register) on this phy. */
640	control = phy_read(phydev, 26);
641	phy_write(phydev, 26, (control | 0x800));
642	return 0;
643}
644
645#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
646    defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
647#define HAS_ATA 1
648#else
649#define HAS_ATA 0
650#endif
651
652#if defined(CONFIG_MTD_PHYSMAP) || \
653    defined(CONFIG_MTD_PHYSMAP_MODULE)
654#define HAS_NOR 1
655#else
656#define HAS_NOR 0
657#endif
658
659#if defined(CONFIG_MTD_NAND_DAVINCI) || \
660    defined(CONFIG_MTD_NAND_DAVINCI_MODULE)
661#define HAS_NAND 1
662#else
663#define HAS_NAND 0
664#endif
665
666static __init void davinci_evm_init(void)
667{
668	struct clk *aemif_clk;
669	struct davinci_soc_info *soc_info = &davinci_soc_info;
670
671	aemif_clk = clk_get(NULL, "aemif");
672	clk_enable(aemif_clk);
673
674	if (HAS_ATA) {
675		if (HAS_NAND || HAS_NOR)
676			pr_warning("WARNING: both IDE and Flash are "
677				"enabled, but they share AEMIF pins.\n"
678				"\tDisable IDE for NAND/NOR support.\n");
679		davinci_init_ide();
680	} else if (HAS_NAND || HAS_NOR) {
681		davinci_cfg_reg(DM644X_HPIEN_DISABLE);
682		davinci_cfg_reg(DM644X_ATAEN_DISABLE);
683
684		/* only one device will be jumpered and detected */
685		if (HAS_NAND) {
686			platform_device_register(&davinci_evm_nandflash_device);
687			evm_leds[7].default_trigger = "nand-disk";
688			if (HAS_NOR)
689				pr_warning("WARNING: both NAND and NOR flash "
690					"are enabled; disable one of them.\n");
691		} else if (HAS_NOR)
692			platform_device_register(&davinci_evm_norflash_device);
693	}
694
695	platform_add_devices(davinci_evm_devices,
696			     ARRAY_SIZE(davinci_evm_devices));
697	evm_init_i2c();
698
699	davinci_setup_mmc(0, &dm6446evm_mmc_config);
700
701	davinci_serial_init(&uart_config);
702	dm644x_init_asp(&dm644x_evm_snd_data);
703
704	/* irlml6401 switches over 1A, in under 8 msec */
705	davinci_setup_usb(1000, 8);
706
707	soc_info->emac_pdata->phy_id = DM644X_EVM_PHY_ID;
708	/* Register the fixup for PHY on DaVinci */
709	phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK,
710					davinci_phy_fixup);
711
712}
713
714MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM")
715	/* Maintainer: MontaVista Software <source@mvista.com> */
716	.atag_offset  = 0x100,
717	.map_io	      = davinci_evm_map_io,
718	.init_irq     = davinci_irq_init,
719	.timer	      = &davinci_timer,
720	.init_machine = davinci_evm_init,
721	.dma_zone_size	= SZ_128M,
722	.restart	= davinci_restart,
723MACHINE_END
724