1 /*
2  * TI DA830/OMAP L137 EVM board
3  *
4  * Author: Mark A. Greer <mgreer@mvista.com>
5  * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
6  *
7  * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
8  * the terms of the GNU General Public License version 2. This program
9  * is licensed "as is" without any warranty of any kind, whether express
10  * or implied.
11  */
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/console.h>
15 #include <linux/interrupt.h>
16 #include <linux/gpio.h>
17 #include <linux/platform_device.h>
18 #include <linux/i2c.h>
19 #include <linux/i2c/pcf857x.h>
20 #include <linux/i2c/at24.h>
21 #include <linux/mtd/mtd.h>
22 #include <linux/mtd/partitions.h>
23 #include <linux/spi/spi.h>
24 #include <linux/spi/flash.h>
25 
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 
29 #include <mach/cp_intc.h>
30 #include <mach/mux.h>
31 #include <mach/nand.h>
32 #include <mach/da8xx.h>
33 #include <mach/usb.h>
34 #include <mach/aemif.h>
35 #include <mach/spi.h>
36 
37 #define DA830_EVM_PHY_ID		""
38 /*
39  * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
40  */
41 #define ON_BD_USB_DRV	GPIO_TO_PIN(1, 15)
42 #define ON_BD_USB_OVC	GPIO_TO_PIN(2, 4)
43 
44 static const short da830_evm_usb11_pins[] = {
45 	DA830_GPIO1_15, DA830_GPIO2_4,
46 	-1
47 };
48 
49 static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
50 
da830_evm_usb_set_power(unsigned port,int on)51 static int da830_evm_usb_set_power(unsigned port, int on)
52 {
53 	gpio_set_value(ON_BD_USB_DRV, on);
54 	return 0;
55 }
56 
da830_evm_usb_get_power(unsigned port)57 static int da830_evm_usb_get_power(unsigned port)
58 {
59 	return gpio_get_value(ON_BD_USB_DRV);
60 }
61 
da830_evm_usb_get_oci(unsigned port)62 static int da830_evm_usb_get_oci(unsigned port)
63 {
64 	return !gpio_get_value(ON_BD_USB_OVC);
65 }
66 
67 static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
68 
da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)69 static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
70 {
71 	int irq 	= gpio_to_irq(ON_BD_USB_OVC);
72 	int error	= 0;
73 
74 	if (handler != NULL) {
75 		da830_evm_usb_ocic_handler = handler;
76 
77 		error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_DISABLED |
78 				    IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
79 				    "OHCI over-current indicator", NULL);
80 		if (error)
81 			printk(KERN_ERR "%s: could not request IRQ to watch "
82 			       "over-current indicator changes\n", __func__);
83 	} else
84 		free_irq(irq, NULL);
85 
86 	return error;
87 }
88 
89 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
90 	.set_power	= da830_evm_usb_set_power,
91 	.get_power	= da830_evm_usb_get_power,
92 	.get_oci	= da830_evm_usb_get_oci,
93 	.ocic_notify	= da830_evm_usb_ocic_notify,
94 
95 	/* TPS2065 switch @ 5V */
96 	.potpgt		= (3 + 1) / 2,	/* 3 ms max */
97 };
98 
da830_evm_usb_ocic_irq(int irq,void * dev_id)99 static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
100 {
101 	da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
102 	return IRQ_HANDLED;
103 }
104 
da830_evm_usb_init(void)105 static __init void da830_evm_usb_init(void)
106 {
107 	u32 cfgchip2;
108 	int ret;
109 
110 	/*
111 	 * Set up USB clock/mode in the CFGCHIP2 register.
112 	 * FYI:  CFGCHIP2 is 0x0000ef00 initially.
113 	 */
114 	cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
115 
116 	/* USB2.0 PHY reference clock is 24 MHz */
117 	cfgchip2 &= ~CFGCHIP2_REFFREQ;
118 	cfgchip2 |=  CFGCHIP2_REFFREQ_24MHZ;
119 
120 	/*
121 	 * Select internal reference clock for USB 2.0 PHY
122 	 * and use it as a clock source for USB 1.1 PHY
123 	 * (this is the default setting anyway).
124 	 */
125 	cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX;
126 	cfgchip2 |=  CFGCHIP2_USB2PHYCLKMUX;
127 
128 	/*
129 	 * We have to override VBUS/ID signals when MUSB is configured into the
130 	 * host-only mode -- ID pin will float if no cable is connected, so the
131 	 * controller won't be able to drive VBUS thinking that it's a B-device.
132 	 * Otherwise, we want to use the OTG mode and enable VBUS comparators.
133 	 */
134 	cfgchip2 &= ~CFGCHIP2_OTGMODE;
135 #ifdef	CONFIG_USB_MUSB_HOST
136 	cfgchip2 |=  CFGCHIP2_FORCE_HOST;
137 #else
138 	cfgchip2 |=  CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN;
139 #endif
140 
141 	__raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
142 
143 	/* USB_REFCLKIN is not used. */
144 	ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
145 	if (ret)
146 		pr_warning("%s: USB 2.0 PinMux setup failed: %d\n",
147 			   __func__, ret);
148 	else {
149 		/*
150 		 * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
151 		 * with the power on to power good time of 3 ms.
152 		 */
153 		ret = da8xx_register_usb20(1000, 3);
154 		if (ret)
155 			pr_warning("%s: USB 2.0 registration failed: %d\n",
156 				   __func__, ret);
157 	}
158 
159 	ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
160 	if (ret) {
161 		pr_warning("%s: USB 1.1 PinMux setup failed: %d\n",
162 			   __func__, ret);
163 		return;
164 	}
165 
166 	ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
167 	if (ret) {
168 		printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
169 		       "power control: %d\n", __func__, ret);
170 		return;
171 	}
172 	gpio_direction_output(ON_BD_USB_DRV, 0);
173 
174 	ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
175 	if (ret) {
176 		printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
177 		       "over-current indicator: %d\n", __func__, ret);
178 		return;
179 	}
180 	gpio_direction_input(ON_BD_USB_OVC);
181 
182 	ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
183 	if (ret)
184 		pr_warning("%s: USB 1.1 registration failed: %d\n",
185 			   __func__, ret);
186 }
187 
188 static struct davinci_uart_config da830_evm_uart_config __initdata = {
189 	.enabled_uarts = 0x7,
190 };
191 
192 static const short da830_evm_mcasp1_pins[] = {
193 	DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
194 	DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
195 	DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
196 	DA830_AXR1_11,
197 	-1
198 };
199 
200 static u8 da830_iis_serializer_direction[] = {
201 	RX_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
202 	INACTIVE_MODE,	TX_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
203 	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
204 };
205 
206 static struct snd_platform_data da830_evm_snd_data = {
207 	.tx_dma_offset  = 0x2000,
208 	.rx_dma_offset  = 0x2000,
209 	.op_mode        = DAVINCI_MCASP_IIS_MODE,
210 	.num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
211 	.tdm_slots      = 2,
212 	.serial_dir     = da830_iis_serializer_direction,
213 	.asp_chan_q     = EVENTQ_0,
214 	.version	= MCASP_VERSION_2,
215 	.txnumevt	= 1,
216 	.rxnumevt	= 1,
217 };
218 
219 /*
220  * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
221  */
222 static const short da830_evm_mmc_sd_pins[] = {
223 	DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
224 	DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
225 	DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
226 	DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
227 	-1
228 };
229 
230 #define DA830_MMCSD_WP_PIN		GPIO_TO_PIN(2, 1)
231 #define DA830_MMCSD_CD_PIN		GPIO_TO_PIN(2, 2)
232 
da830_evm_mmc_get_ro(int index)233 static int da830_evm_mmc_get_ro(int index)
234 {
235 	return gpio_get_value(DA830_MMCSD_WP_PIN);
236 }
237 
da830_evm_mmc_get_cd(int index)238 static int da830_evm_mmc_get_cd(int index)
239 {
240 	return !gpio_get_value(DA830_MMCSD_CD_PIN);
241 }
242 
243 static struct davinci_mmc_config da830_evm_mmc_config = {
244 	.get_ro			= da830_evm_mmc_get_ro,
245 	.get_cd			= da830_evm_mmc_get_cd,
246 	.wires			= 8,
247 	.max_freq		= 50000000,
248 	.caps			= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
249 	.version		= MMC_CTLR_VERSION_2,
250 };
251 
da830_evm_init_mmc(void)252 static inline void da830_evm_init_mmc(void)
253 {
254 	int ret;
255 
256 	ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
257 	if (ret) {
258 		pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n",
259 				ret);
260 		return;
261 	}
262 
263 	ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
264 	if (ret) {
265 		pr_warning("da830_evm_init: can not open GPIO %d\n",
266 			   DA830_MMCSD_WP_PIN);
267 		return;
268 	}
269 	gpio_direction_input(DA830_MMCSD_WP_PIN);
270 
271 	ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n");
272 	if (ret) {
273 		pr_warning("da830_evm_init: can not open GPIO %d\n",
274 			   DA830_MMCSD_CD_PIN);
275 		return;
276 	}
277 	gpio_direction_input(DA830_MMCSD_CD_PIN);
278 
279 	ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
280 	if (ret) {
281 		pr_warning("da830_evm_init: mmc/sd registration failed: %d\n",
282 				ret);
283 		gpio_free(DA830_MMCSD_WP_PIN);
284 	}
285 }
286 
287 /*
288  * UI board NAND/NOR flashes only use 8-bit data bus.
289  */
290 static const short da830_evm_emif25_pins[] = {
291 	DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
292 	DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
293 	DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
294 	DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
295 	DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
296 	DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
297 	DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
298 	-1
299 };
300 
301 #if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE)
302 #define HAS_MMC	1
303 #else
304 #define HAS_MMC	0
305 #endif
306 
307 #ifdef CONFIG_DA830_UI_NAND
308 static struct mtd_partition da830_evm_nand_partitions[] = {
309 	/* bootloader (U-Boot, etc) in first sector */
310 	[0] = {
311 		.name		= "bootloader",
312 		.offset		= 0,
313 		.size		= SZ_128K,
314 		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
315 	},
316 	/* bootloader params in the next sector */
317 	[1] = {
318 		.name		= "params",
319 		.offset		= MTDPART_OFS_APPEND,
320 		.size		= SZ_128K,
321 		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
322 	},
323 	/* kernel */
324 	[2] = {
325 		.name		= "kernel",
326 		.offset		= MTDPART_OFS_APPEND,
327 		.size		= SZ_2M,
328 		.mask_flags	= 0,
329 	},
330 	/* file system */
331 	[3] = {
332 		.name		= "filesystem",
333 		.offset		= MTDPART_OFS_APPEND,
334 		.size		= MTDPART_SIZ_FULL,
335 		.mask_flags	= 0,
336 	}
337 };
338 
339 /* flash bbt decriptors */
340 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
341 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
342 
343 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
344 	.options	= NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
345 			  NAND_BBT_WRITE | NAND_BBT_2BIT |
346 			  NAND_BBT_VERSION | NAND_BBT_PERCHIP,
347 	.offs		= 2,
348 	.len		= 4,
349 	.veroffs	= 16,
350 	.maxblocks	= 4,
351 	.pattern	= da830_evm_nand_bbt_pattern
352 };
353 
354 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
355 	.options	= NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
356 			  NAND_BBT_WRITE | NAND_BBT_2BIT |
357 			  NAND_BBT_VERSION | NAND_BBT_PERCHIP,
358 	.offs		= 2,
359 	.len		= 4,
360 	.veroffs	= 16,
361 	.maxblocks	= 4,
362 	.pattern	= da830_evm_nand_mirror_pattern
363 };
364 
365 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
366 	.wsetup         = 24,
367 	.wstrobe        = 21,
368 	.whold          = 14,
369 	.rsetup         = 19,
370 	.rstrobe        = 50,
371 	.rhold          = 0,
372 	.ta             = 20,
373 };
374 
375 static struct davinci_nand_pdata da830_evm_nand_pdata = {
376 	.parts		= da830_evm_nand_partitions,
377 	.nr_parts	= ARRAY_SIZE(da830_evm_nand_partitions),
378 	.ecc_mode	= NAND_ECC_HW,
379 	.ecc_bits	= 4,
380 	.bbt_options	= NAND_BBT_USE_FLASH,
381 	.bbt_td		= &da830_evm_nand_bbt_main_descr,
382 	.bbt_md		= &da830_evm_nand_bbt_mirror_descr,
383 	.timing         = &da830_evm_nandflash_timing,
384 };
385 
386 static struct resource da830_evm_nand_resources[] = {
387 	[0] = {		/* First memory resource is NAND I/O window */
388 		.start	= DA8XX_AEMIF_CS3_BASE,
389 		.end	= DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
390 		.flags	= IORESOURCE_MEM,
391 	},
392 	[1] = {		/* Second memory resource is AEMIF control registers */
393 		.start	= DA8XX_AEMIF_CTL_BASE,
394 		.end	= DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
395 		.flags	= IORESOURCE_MEM,
396 	},
397 };
398 
399 static struct platform_device da830_evm_nand_device = {
400 	.name		= "davinci_nand",
401 	.id		= 1,
402 	.dev		= {
403 		.platform_data	= &da830_evm_nand_pdata,
404 	},
405 	.num_resources	= ARRAY_SIZE(da830_evm_nand_resources),
406 	.resource	= da830_evm_nand_resources,
407 };
408 
da830_evm_init_nand(int mux_mode)409 static inline void da830_evm_init_nand(int mux_mode)
410 {
411 	int ret;
412 
413 	if (HAS_MMC) {
414 		pr_warning("WARNING: both MMC/SD and NAND are "
415 				"enabled, but they share AEMIF pins.\n"
416 				"\tDisable MMC/SD for NAND support.\n");
417 		return;
418 	}
419 
420 	ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
421 	if (ret)
422 		pr_warning("da830_evm_init: emif25 mux setup failed: %d\n",
423 				ret);
424 
425 	ret = platform_device_register(&da830_evm_nand_device);
426 	if (ret)
427 		pr_warning("da830_evm_init: NAND device not registered.\n");
428 
429 	gpio_direction_output(mux_mode, 1);
430 }
431 #else
da830_evm_init_nand(int mux_mode)432 static inline void da830_evm_init_nand(int mux_mode) { }
433 #endif
434 
435 #ifdef CONFIG_DA830_UI_LCD
da830_evm_init_lcdc(int mux_mode)436 static inline void da830_evm_init_lcdc(int mux_mode)
437 {
438 	int ret;
439 
440 	ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
441 	if (ret)
442 		pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
443 				ret);
444 
445 	ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
446 	if (ret)
447 		pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
448 
449 	gpio_direction_output(mux_mode, 0);
450 }
451 #else
da830_evm_init_lcdc(int mux_mode)452 static inline void da830_evm_init_lcdc(int mux_mode) { }
453 #endif
454 
455 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
456 	.byte_len	= SZ_256K / 8,
457 	.page_size	= 64,
458 	.flags		= AT24_FLAG_ADDR16,
459 	.setup		= davinci_get_mac_addr,
460 	.context	= (void *)0x7f00,
461 };
462 
da830_evm_ui_expander_setup(struct i2c_client * client,int gpio,unsigned ngpio,void * context)463 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
464 		int gpio, unsigned ngpio, void *context)
465 {
466 	gpio_request(gpio + 6, "UI MUX_MODE");
467 
468 	/* Drive mux mode low to match the default without UI card */
469 	gpio_direction_output(gpio + 6, 0);
470 
471 	da830_evm_init_lcdc(gpio + 6);
472 
473 	da830_evm_init_nand(gpio + 6);
474 
475 	return 0;
476 }
477 
da830_evm_ui_expander_teardown(struct i2c_client * client,int gpio,unsigned ngpio,void * context)478 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
479 		unsigned ngpio, void *context)
480 {
481 	gpio_free(gpio + 6);
482 	return 0;
483 }
484 
485 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
486 	.gpio_base	= DAVINCI_N_GPIO,
487 	.setup		= da830_evm_ui_expander_setup,
488 	.teardown	= da830_evm_ui_expander_teardown,
489 };
490 
491 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
492 	{
493 		I2C_BOARD_INFO("24c256", 0x50),
494 		.platform_data	= &da830_evm_i2c_eeprom_info,
495 	},
496 	{
497 		I2C_BOARD_INFO("tlv320aic3x", 0x18),
498 	},
499 	{
500 		I2C_BOARD_INFO("pcf8574", 0x3f),
501 		.platform_data	= &da830_evm_ui_expander_info,
502 	},
503 };
504 
505 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
506 	.bus_freq	= 100,	/* kHz */
507 	.bus_delay	= 0,	/* usec */
508 };
509 
510 /*
511  * The following EDMA channels/slots are not being used by drivers (for
512  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
513  * they are being reserved for codecs on the DSP side.
514  */
515 static const s16 da830_dma_rsv_chans[][2] = {
516 	/* (offset, number) */
517 	{ 8,  2},
518 	{12,  2},
519 	{24,  4},
520 	{30,  2},
521 	{-1, -1}
522 };
523 
524 static const s16 da830_dma_rsv_slots[][2] = {
525 	/* (offset, number) */
526 	{ 8,  2},
527 	{12,  2},
528 	{24,  4},
529 	{30, 26},
530 	{-1, -1}
531 };
532 
533 static struct edma_rsv_info da830_edma_rsv[] = {
534 	{
535 		.rsv_chans	= da830_dma_rsv_chans,
536 		.rsv_slots	= da830_dma_rsv_slots,
537 	},
538 };
539 
540 static struct mtd_partition da830evm_spiflash_part[] = {
541 	[0] = {
542 		.name = "DSP-UBL",
543 		.offset = 0,
544 		.size = SZ_8K,
545 		.mask_flags = MTD_WRITEABLE,
546 	},
547 	[1] = {
548 		.name = "ARM-UBL",
549 		.offset = MTDPART_OFS_APPEND,
550 		.size = SZ_16K + SZ_8K,
551 		.mask_flags = MTD_WRITEABLE,
552 	},
553 	[2] = {
554 		.name = "U-Boot",
555 		.offset = MTDPART_OFS_APPEND,
556 		.size = SZ_256K - SZ_32K,
557 		.mask_flags = MTD_WRITEABLE,
558 	},
559 	[3] = {
560 		.name = "U-Boot-Environment",
561 		.offset = MTDPART_OFS_APPEND,
562 		.size = SZ_16K,
563 		.mask_flags = 0,
564 	},
565 	[4] = {
566 		.name = "Kernel",
567 		.offset = MTDPART_OFS_APPEND,
568 		.size = MTDPART_SIZ_FULL,
569 		.mask_flags = 0,
570 	},
571 };
572 
573 static struct flash_platform_data da830evm_spiflash_data = {
574 	.name		= "m25p80",
575 	.parts		= da830evm_spiflash_part,
576 	.nr_parts	= ARRAY_SIZE(da830evm_spiflash_part),
577 	.type		= "w25x32",
578 };
579 
580 static struct davinci_spi_config da830evm_spiflash_cfg = {
581 	.io_type	= SPI_IO_TYPE_DMA,
582 	.c2tdelay	= 8,
583 	.t2cdelay	= 8,
584 };
585 
586 static struct spi_board_info da830evm_spi_info[] = {
587 	{
588 		.modalias		= "m25p80",
589 		.platform_data		= &da830evm_spiflash_data,
590 		.controller_data	= &da830evm_spiflash_cfg,
591 		.mode			= SPI_MODE_0,
592 		.max_speed_hz		= 30000000,
593 		.bus_num		= 0,
594 		.chip_select		= 0,
595 	},
596 };
597 
da830_evm_init(void)598 static __init void da830_evm_init(void)
599 {
600 	struct davinci_soc_info *soc_info = &davinci_soc_info;
601 	int ret;
602 
603 	ret = da830_register_edma(da830_edma_rsv);
604 	if (ret)
605 		pr_warning("da830_evm_init: edma registration failed: %d\n",
606 				ret);
607 
608 	ret = davinci_cfg_reg_list(da830_i2c0_pins);
609 	if (ret)
610 		pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
611 				ret);
612 
613 	ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
614 	if (ret)
615 		pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
616 				ret);
617 
618 	da830_evm_usb_init();
619 
620 	soc_info->emac_pdata->rmii_en = 1;
621 	soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
622 
623 	ret = davinci_cfg_reg_list(da830_cpgmac_pins);
624 	if (ret)
625 		pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
626 				ret);
627 
628 	ret = da8xx_register_emac();
629 	if (ret)
630 		pr_warning("da830_evm_init: emac registration failed: %d\n",
631 				ret);
632 
633 	ret = da8xx_register_watchdog();
634 	if (ret)
635 		pr_warning("da830_evm_init: watchdog registration failed: %d\n",
636 				ret);
637 
638 	davinci_serial_init(&da830_evm_uart_config);
639 	i2c_register_board_info(1, da830_evm_i2c_devices,
640 			ARRAY_SIZE(da830_evm_i2c_devices));
641 
642 	ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
643 	if (ret)
644 		pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
645 				ret);
646 
647 	da8xx_register_mcasp(1, &da830_evm_snd_data);
648 
649 	da830_evm_init_mmc();
650 
651 	ret = da8xx_register_rtc();
652 	if (ret)
653 		pr_warning("da830_evm_init: rtc setup failed: %d\n", ret);
654 
655 	ret = da8xx_register_spi(0, da830evm_spi_info,
656 				 ARRAY_SIZE(da830evm_spi_info));
657 	if (ret)
658 		pr_warning("da830_evm_init: spi 0 registration failed: %d\n",
659 			   ret);
660 }
661 
662 #ifdef CONFIG_SERIAL_8250_CONSOLE
da830_evm_console_init(void)663 static int __init da830_evm_console_init(void)
664 {
665 	if (!machine_is_davinci_da830_evm())
666 		return 0;
667 
668 	return add_preferred_console("ttyS", 2, "115200");
669 }
670 console_initcall(da830_evm_console_init);
671 #endif
672 
da830_evm_map_io(void)673 static void __init da830_evm_map_io(void)
674 {
675 	da830_init();
676 }
677 
678 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
679 	.atag_offset	= 0x100,
680 	.map_io		= da830_evm_map_io,
681 	.init_irq	= cp_intc_init,
682 	.timer		= &davinci_timer,
683 	.init_machine	= da830_evm_init,
684 	.dma_zone_size	= SZ_128M,
685 	.restart	= da8xx_restart,
686 MACHINE_END
687