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Sudhakar Rajashekhara0fbc5592009-07-16 06:42:18 -04001/*
2 * TI DA850/OMAP-L138 EVM board
3 *
4 * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
5 *
6 * Derived from: arch/arm/mach-davinci/board-da830-evm.c
7 * Original Copyrights follow:
8 *
9 * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
10 * the terms of the GNU General Public License version 2. This program
11 * is licensed "as is" without any warranty of any kind, whether express
12 * or implied.
13 */
14#include <linux/kernel.h>
Sudhakar Rajashekhara0fbc5592009-07-16 06:42:18 -040015#include <linux/init.h>
16#include <linux/console.h>
17#include <linux/i2c.h>
18#include <linux/i2c/at24.h>
Chaithrika U S75e2ea62009-09-30 17:00:28 -040019#include <linux/i2c/pca953x.h>
Sudhakar Rajashekhara5cbdf272009-08-13 14:33:14 -040020#include <linux/gpio.h>
Sudhakar Rajashekhara38beb922009-08-13 16:21:11 -040021#include <linux/platform_device.h>
22#include <linux/mtd/mtd.h>
23#include <linux/mtd/nand.h>
24#include <linux/mtd/partitions.h>
Sudhakar Rajashekhara7c5ec602009-08-13 17:36:25 -040025#include <linux/mtd/physmap.h>
Sekhar Noria9eb1f62009-09-22 21:14:04 +053026#include <linux/regulator/machine.h>
Sudhakar Rajashekhara0fbc5592009-07-16 06:42:18 -040027
28#include <asm/mach-types.h>
29#include <asm/mach/arch.h>
30
Sudhakar Rajashekhara0fbc5592009-07-16 06:42:18 -040031#include <mach/cp_intc.h>
32#include <mach/da8xx.h>
Sudhakar Rajashekhara38beb922009-08-13 16:21:11 -040033#include <mach/nand.h>
Sudhakar Rajashekhara7761ef62009-09-15 17:46:14 -040034#include <mach/mux.h>
Sudhakar Rajashekhara0fbc5592009-07-16 06:42:18 -040035
Sudhakar Rajashekhara5a4b1312009-07-17 04:47:10 -040036#define DA850_EVM_PHY_MASK 0x1
37#define DA850_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
38
Sudhakar Rajashekhara7761ef62009-09-15 17:46:14 -040039#define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8)
Sudhakar Rajashekhara5cbdf272009-08-13 14:33:14 -040040#define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15)
Sudhakar Rajashekhara5cbdf272009-08-13 14:33:14 -040041
Sudhakar Rajashekhara700691f2009-08-13 15:16:23 -040042#define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
43#define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
44
Chaithrika U S22067712009-09-30 17:00:53 -040045#define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6)
46
Sudhakar Rajashekhara7c5ec602009-08-13 17:36:25 -040047static struct mtd_partition da850_evm_norflash_partition[] = {
48 {
49 .name = "NOR filesystem",
50 .offset = 0,
51 .size = MTDPART_SIZ_FULL,
52 .mask_flags = 0,
53 },
54};
55
56static struct physmap_flash_data da850_evm_norflash_data = {
57 .width = 2,
58 .parts = da850_evm_norflash_partition,
59 .nr_parts = ARRAY_SIZE(da850_evm_norflash_partition),
60};
61
62static struct resource da850_evm_norflash_resource[] = {
63 {
64 .start = DA8XX_AEMIF_CS2_BASE,
65 .end = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
66 .flags = IORESOURCE_MEM,
67 },
68};
69
70static struct platform_device da850_evm_norflash_device = {
71 .name = "physmap-flash",
72 .id = 0,
73 .dev = {
74 .platform_data = &da850_evm_norflash_data,
75 },
76 .num_resources = 1,
77 .resource = da850_evm_norflash_resource,
78};
79
Sudhakar Rajashekhara38beb922009-08-13 16:21:11 -040080/* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
81 * (128K blocks). It may be used instead of the (default) SPI flash
82 * to boot, using TI's tools to install the secondary boot loader
83 * (UBL) and U-Boot.
84 */
85struct mtd_partition da850_evm_nandflash_partition[] = {
86 {
87 .name = "u-boot env",
88 .offset = 0,
89 .size = SZ_128K,
90 .mask_flags = MTD_WRITEABLE,
91 },
92 {
93 .name = "UBL",
94 .offset = MTDPART_OFS_APPEND,
95 .size = SZ_128K,
96 .mask_flags = MTD_WRITEABLE,
97 },
98 {
99 .name = "u-boot",
100 .offset = MTDPART_OFS_APPEND,
101 .size = 4 * SZ_128K,
102 .mask_flags = MTD_WRITEABLE,
103 },
104 {
105 .name = "kernel",
106 .offset = 0x200000,
107 .size = SZ_2M,
108 .mask_flags = 0,
109 },
110 {
111 .name = "filesystem",
112 .offset = MTDPART_OFS_APPEND,
113 .size = MTDPART_SIZ_FULL,
114 .mask_flags = 0,
115 },
116};
117
118static struct davinci_nand_pdata da850_evm_nandflash_data = {
119 .parts = da850_evm_nandflash_partition,
120 .nr_parts = ARRAY_SIZE(da850_evm_nandflash_partition),
121 .ecc_mode = NAND_ECC_HW,
122 .options = NAND_USE_FLASH_BBT,
123};
124
125static struct resource da850_evm_nandflash_resource[] = {
126 {
127 .start = DA8XX_AEMIF_CS3_BASE,
128 .end = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
129 .flags = IORESOURCE_MEM,
130 },
131 {
132 .start = DA8XX_AEMIF_CTL_BASE,
133 .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
134 .flags = IORESOURCE_MEM,
135 },
136};
137
138static struct platform_device da850_evm_nandflash_device = {
139 .name = "davinci_nand",
140 .id = 1,
141 .dev = {
142 .platform_data = &da850_evm_nandflash_data,
143 },
144 .num_resources = ARRAY_SIZE(da850_evm_nandflash_resource),
145 .resource = da850_evm_nandflash_resource,
146};
147
Sudhakar Rajashekhara039c5ee2009-11-03 11:51:09 +0530148static struct platform_device *da850_evm_devices[] __initdata = {
149 &da850_evm_nandflash_device,
150 &da850_evm_norflash_device,
151};
152
153#define DA8XX_AEMIF_CE2CFG_OFFSET 0x10
154#define DA8XX_AEMIF_ASIZE_16BIT 0x1
155
156static void __init da850_evm_init_nor(void)
157{
158 void __iomem *aemif_addr;
159
160 aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
161
162 /* Configure data bus width of CS2 to 16 bit */
163 writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
164 DA8XX_AEMIF_ASIZE_16BIT,
165 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
166
167 iounmap(aemif_addr);
168}
169
Chaithrika U S75e2ea62009-09-30 17:00:28 -0400170static u32 ui_card_detected;
Sudhakar Rajashekhara039c5ee2009-11-03 11:51:09 +0530171
172#if defined(CONFIG_MMC_DAVINCI) || \
173 defined(CONFIG_MMC_DAVINCI_MODULE)
174#define HAS_MMC 1
175#else
176#define HAS_MMC 0
177#endif
178
Sudhakar Rajashekhara1ef203c2009-11-03 11:51:19 +0530179static __init void da850_evm_setup_nor_nand(void)
Sudhakar Rajashekhara039c5ee2009-11-03 11:51:09 +0530180{
181 int ret = 0;
182
183 if (ui_card_detected & !HAS_MMC) {
184 ret = da8xx_pinmux_setup(da850_nand_pins);
185 if (ret)
186 pr_warning("da850_evm_init: nand mux setup failed: "
187 "%d\n", ret);
188
189 ret = da8xx_pinmux_setup(da850_nor_pins);
190 if (ret)
191 pr_warning("da850_evm_init: nor mux setup failed: %d\n",
192 ret);
193
194 da850_evm_init_nor();
195
196 platform_add_devices(da850_evm_devices,
197 ARRAY_SIZE(da850_evm_devices));
198 }
199}
Chaithrika U S75e2ea62009-09-30 17:00:28 -0400200
Sekhar Noribae10582009-10-21 21:18:22 +0530201#ifdef CONFIG_DA850_UI_RMII
202static inline void da850_evm_setup_emac_rmii(int rmii_sel)
203{
204 struct davinci_soc_info *soc_info = &davinci_soc_info;
205
206 soc_info->emac_pdata->rmii_en = 1;
207 gpio_set_value(rmii_sel, 0);
208}
209#else
210static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
211#endif
212
Chaithrika U S75e2ea62009-09-30 17:00:28 -0400213static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
214 unsigned ngpio, void *c)
215{
216 int sel_a, sel_b, sel_c, ret;
217
218 sel_a = gpio + 7;
219 sel_b = gpio + 6;
220 sel_c = gpio + 5;
221
222 ret = gpio_request(sel_a, "sel_a");
223 if (ret) {
224 pr_warning("Cannot open UI expander pin %d\n", sel_a);
225 goto exp_setup_sela_fail;
226 }
227
228 ret = gpio_request(sel_b, "sel_b");
229 if (ret) {
230 pr_warning("Cannot open UI expander pin %d\n", sel_b);
231 goto exp_setup_selb_fail;
232 }
233
234 ret = gpio_request(sel_c, "sel_c");
235 if (ret) {
236 pr_warning("Cannot open UI expander pin %d\n", sel_c);
237 goto exp_setup_selc_fail;
238 }
239
240 /* deselect all functionalities */
241 gpio_direction_output(sel_a, 1);
242 gpio_direction_output(sel_b, 1);
243 gpio_direction_output(sel_c, 1);
244
245 ui_card_detected = 1;
246 pr_info("DA850/OMAP-L138 EVM UI card detected\n");
247
248 da850_evm_setup_nor_nand();
249
Sekhar Noribae10582009-10-21 21:18:22 +0530250 da850_evm_setup_emac_rmii(sel_a);
Chaithrika U S22067712009-09-30 17:00:53 -0400251
Chaithrika U S75e2ea62009-09-30 17:00:28 -0400252 return 0;
253
254exp_setup_selc_fail:
255 gpio_free(sel_b);
256exp_setup_selb_fail:
257 gpio_free(sel_a);
258exp_setup_sela_fail:
259 return ret;
260}
261
262static int da850_evm_ui_expander_teardown(struct i2c_client *client,
263 unsigned gpio, unsigned ngpio, void *c)
264{
265 /* deselect all functionalities */
266 gpio_set_value(gpio + 5, 1);
267 gpio_set_value(gpio + 6, 1);
268 gpio_set_value(gpio + 7, 1);
269
270 gpio_free(gpio + 5);
271 gpio_free(gpio + 6);
272 gpio_free(gpio + 7);
273
274 return 0;
275}
276
277static struct pca953x_platform_data da850_evm_ui_expander_info = {
278 .gpio_base = DAVINCI_N_GPIO,
279 .setup = da850_evm_ui_expander_setup,
280 .teardown = da850_evm_ui_expander_teardown,
281};
282
Chaithrika U S1a7ff8f2009-08-25 15:20:05 +0300283static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
284 {
285 I2C_BOARD_INFO("tlv320aic3x", 0x18),
Chaithrika U S75e2ea62009-09-30 17:00:28 -0400286 },
287 {
288 I2C_BOARD_INFO("tca6416", 0x20),
289 .platform_data = &da850_evm_ui_expander_info,
290 },
Chaithrika U S1a7ff8f2009-08-25 15:20:05 +0300291};
292
Sudhakar Rajashekhara0fbc5592009-07-16 06:42:18 -0400293static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
294 .bus_freq = 100, /* kHz */
295 .bus_delay = 0, /* usec */
296};
297
298static struct davinci_uart_config da850_evm_uart_config __initdata = {
299 .enabled_uarts = 0x7,
300};
301
Chaithrika U S491214e2009-08-11 17:03:25 -0400302/* davinci da850 evm audio machine driver */
303static u8 da850_iis_serializer_direction[] = {
304 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
305 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
306 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, TX_MODE,
307 RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
308};
309
310static struct snd_platform_data da850_evm_snd_data = {
311 .tx_dma_offset = 0x2000,
312 .rx_dma_offset = 0x2000,
313 .op_mode = DAVINCI_MCASP_IIS_MODE,
314 .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
315 .tdm_slots = 2,
316 .serial_dir = da850_iis_serializer_direction,
317 .eventq_no = EVENTQ_1,
318 .version = MCASP_VERSION_2,
319 .txnumevt = 1,
320 .rxnumevt = 1,
321};
322
Sudhakar Rajashekhara700691f2009-08-13 15:16:23 -0400323static int da850_evm_mmc_get_ro(int index)
324{
325 return gpio_get_value(DA850_MMCSD_WP_PIN);
326}
327
328static int da850_evm_mmc_get_cd(int index)
329{
330 return !gpio_get_value(DA850_MMCSD_CD_PIN);
331}
332
333static struct davinci_mmc_config da850_mmc_config = {
334 .get_ro = da850_evm_mmc_get_ro,
335 .get_cd = da850_evm_mmc_get_cd,
336 .wires = 4,
337 .version = MMC_CTLR_VERSION_2,
338};
339
Sudhakar Rajashekhara5cbdf272009-08-13 14:33:14 -0400340static int da850_lcd_hw_init(void)
341{
342 int status;
343
344 status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
345 if (status < 0)
346 return status;
347
348 status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
349 if (status < 0) {
350 gpio_free(DA850_LCD_BL_PIN);
351 return status;
352 }
353
354 gpio_direction_output(DA850_LCD_BL_PIN, 0);
355 gpio_direction_output(DA850_LCD_PWR_PIN, 0);
356
357 /* disable lcd backlight */
358 gpio_set_value(DA850_LCD_BL_PIN, 0);
359
360 /* disable lcd power */
361 gpio_set_value(DA850_LCD_PWR_PIN, 0);
362
363 /* enable lcd power */
364 gpio_set_value(DA850_LCD_PWR_PIN, 1);
365
366 /* enable lcd backlight */
367 gpio_set_value(DA850_LCD_BL_PIN, 1);
368
369 return 0;
370}
Chaithrika U S491214e2009-08-11 17:03:25 -0400371
Sekhar Noria9eb1f62009-09-22 21:14:04 +0530372/* TPS65070 voltage regulator support */
373
374/* 3.3V */
375struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
376 {
377 .supply = "usb0_vdda33",
378 },
379 {
380 .supply = "usb1_vdda33",
381 },
382};
383
384/* 3.3V or 1.8V */
385struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
386 {
387 .supply = "dvdd3318_a",
388 },
389 {
390 .supply = "dvdd3318_b",
391 },
392 {
393 .supply = "dvdd3318_c",
394 },
395};
396
397/* 1.2V */
398struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
399 {
400 .supply = "cvdd",
401 },
402};
403
404/* 1.8V LDO */
405struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
406 {
407 .supply = "sata_vddr",
408 },
409 {
410 .supply = "usb0_vdda18",
411 },
412 {
413 .supply = "usb1_vdda18",
414 },
415 {
416 .supply = "ddr_dvdd18",
417 },
418};
419
420/* 1.2V LDO */
421struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
422 {
423 .supply = "sata_vdd",
424 },
425 {
426 .supply = "pll0_vdda",
427 },
428 {
429 .supply = "pll1_vdda",
430 },
431 {
432 .supply = "usbs_cvdd",
433 },
434 {
435 .supply = "vddarnwa1",
436 },
437};
438
439struct regulator_init_data tps65070_regulator_data[] = {
440 /* dcdc1 */
441 {
442 .constraints = {
443 .min_uV = 3150000,
444 .max_uV = 3450000,
445 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
446 REGULATOR_CHANGE_STATUS),
447 .boot_on = 1,
448 },
449 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
450 .consumer_supplies = tps65070_dcdc1_consumers,
451 },
452
453 /* dcdc2 */
454 {
455 .constraints = {
456 .min_uV = 1710000,
457 .max_uV = 3450000,
458 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
459 REGULATOR_CHANGE_STATUS),
460 .boot_on = 1,
461 },
462 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
463 .consumer_supplies = tps65070_dcdc2_consumers,
464 },
465
466 /* dcdc3 */
467 {
468 .constraints = {
469 .min_uV = 950000,
470 .max_uV = 1320000,
471 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
472 REGULATOR_CHANGE_STATUS),
473 .boot_on = 1,
474 },
475 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
476 .consumer_supplies = tps65070_dcdc3_consumers,
477 },
478
479 /* ldo1 */
480 {
481 .constraints = {
482 .min_uV = 1710000,
483 .max_uV = 1890000,
484 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
485 REGULATOR_CHANGE_STATUS),
486 .boot_on = 1,
487 },
488 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
489 .consumer_supplies = tps65070_ldo1_consumers,
490 },
491
492 /* ldo2 */
493 {
494 .constraints = {
495 .min_uV = 1140000,
496 .max_uV = 1320000,
497 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
498 REGULATOR_CHANGE_STATUS),
499 .boot_on = 1,
500 },
501 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
502 .consumer_supplies = tps65070_ldo2_consumers,
503 },
504};
505
506static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
507 {
508 I2C_BOARD_INFO("tps6507x", 0x48),
509 .platform_data = &tps65070_regulator_data[0],
510 },
511};
512
513static int __init pmic_tps65070_init(void)
514{
515 return i2c_register_board_info(1, da850evm_tps65070_info,
516 ARRAY_SIZE(da850evm_tps65070_info));
517}
518
Sudhakar Rajashekhara7761ef62009-09-15 17:46:14 -0400519static const short da850_evm_lcdc_pins[] = {
520 DA850_GPIO2_8, DA850_GPIO2_15,
521 -1
522};
523
Sekhar Noribae10582009-10-21 21:18:22 +0530524static int __init da850_evm_config_emac(void)
Chaithrika U S22067712009-09-30 17:00:53 -0400525{
526 void __iomem *cfg_chip3_base;
527 int ret;
528 u32 val;
Sekhar Noribae10582009-10-21 21:18:22 +0530529 struct davinci_soc_info *soc_info = &davinci_soc_info;
530 u8 rmii_en = soc_info->emac_pdata->rmii_en;
531
532 if (!machine_is_davinci_da850_evm())
533 return 0;
Chaithrika U S22067712009-09-30 17:00:53 -0400534
535 cfg_chip3_base = DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP3_REG);
536
Chaithrika U S22067712009-09-30 17:00:53 -0400537 val = __raw_readl(cfg_chip3_base);
Sekhar Nori17fadd92009-10-21 21:18:24 +0530538
539 if (rmii_en) {
Chaithrika U S22067712009-09-30 17:00:53 -0400540 val |= BIT(8);
Chaithrika U S22067712009-09-30 17:00:53 -0400541 ret = da8xx_pinmux_setup(da850_rmii_pins);
Sekhar Nori17fadd92009-10-21 21:18:24 +0530542 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
543 " functional\n");
544 } else {
545 val &= ~BIT(8);
546 ret = da8xx_pinmux_setup(da850_cpgmac_pins);
547 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
548 " functional\n");
549 }
550
Chaithrika U S22067712009-09-30 17:00:53 -0400551 if (ret)
552 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
553 ret);
554
Sekhar Nori17fadd92009-10-21 21:18:24 +0530555 /* configure the CFGCHIP3 register for RMII or MII */
556 __raw_writel(val, cfg_chip3_base);
557
Chaithrika U S22067712009-09-30 17:00:53 -0400558 ret = davinci_cfg_reg(DA850_GPIO2_6);
559 if (ret)
560 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
561 "failed\n");
562
563 ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
564 if (ret) {
565 pr_warning("Cannot open GPIO %d\n",
566 DA850_MII_MDIO_CLKEN_PIN);
567 return ret;
568 }
569
Sekhar Nori17fadd92009-10-21 21:18:24 +0530570 /* Enable/Disable MII MDIO clock */
571 gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
Chaithrika U S22067712009-09-30 17:00:53 -0400572
Sekhar Noribae10582009-10-21 21:18:22 +0530573 soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
574 soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
575
576 ret = da8xx_register_emac();
577 if (ret)
578 pr_warning("da850_evm_init: emac registration failed: %d\n",
579 ret);
580
Chaithrika U S22067712009-09-30 17:00:53 -0400581 return 0;
582}
Sekhar Noribae10582009-10-21 21:18:22 +0530583device_initcall(da850_evm_config_emac);
Chaithrika U S22067712009-09-30 17:00:53 -0400584
Sudhakar Rajashekhara0fbc5592009-07-16 06:42:18 -0400585static __init void da850_evm_init(void)
586{
587 int ret;
588
Sekhar Noria9eb1f62009-09-22 21:14:04 +0530589 ret = pmic_tps65070_init();
590 if (ret)
591 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
592 ret);
593
Sudhakar Rajashekhara0fbc5592009-07-16 06:42:18 -0400594 ret = da8xx_register_edma();
595 if (ret)
596 pr_warning("da850_evm_init: edma registration failed: %d\n",
597 ret);
598
599 ret = da8xx_pinmux_setup(da850_i2c0_pins);
600 if (ret)
601 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
602 ret);
603
604 ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
605 if (ret)
606 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
607 ret);
608
Sudhakar Rajashekhara5a4b1312009-07-17 04:47:10 -0400609
Sudhakar Rajashekhara0fbc5592009-07-16 06:42:18 -0400610 ret = da8xx_register_watchdog();
611 if (ret)
612 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
613 ret);
614
Sudhakar Rajashekhara820c4fe2009-08-13 18:16:28 -0400615 if (HAS_MMC) {
Sudhakar Rajashekhara820c4fe2009-08-13 18:16:28 -0400616 ret = da8xx_pinmux_setup(da850_mmcsd0_pins);
617 if (ret)
618 pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
619 " %d\n", ret);
Sudhakar Rajashekhara700691f2009-08-13 15:16:23 -0400620
Sudhakar Rajashekhara820c4fe2009-08-13 18:16:28 -0400621 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
622 if (ret)
623 pr_warning("da850_evm_init: can not open GPIO %d\n",
624 DA850_MMCSD_CD_PIN);
625 gpio_direction_input(DA850_MMCSD_CD_PIN);
Sudhakar Rajashekhara700691f2009-08-13 15:16:23 -0400626
Sudhakar Rajashekhara820c4fe2009-08-13 18:16:28 -0400627 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
628 if (ret)
629 pr_warning("da850_evm_init: can not open GPIO %d\n",
630 DA850_MMCSD_WP_PIN);
631 gpio_direction_input(DA850_MMCSD_WP_PIN);
632
633 ret = da8xx_register_mmcsd0(&da850_mmc_config);
634 if (ret)
635 pr_warning("da850_evm_init: mmcsd0 registration failed:"
636 " %d\n", ret);
637 }
Sudhakar Rajashekhara700691f2009-08-13 15:16:23 -0400638
Sudhakar Rajashekhara0fbc5592009-07-16 06:42:18 -0400639 davinci_serial_init(&da850_evm_uart_config);
640
Chaithrika U S1a7ff8f2009-08-25 15:20:05 +0300641 i2c_register_board_info(1, da850_evm_i2c_devices,
642 ARRAY_SIZE(da850_evm_i2c_devices));
643
Sudhakar Rajashekhara0fbc5592009-07-16 06:42:18 -0400644 /*
645 * shut down uart 0 and 1; they are not used on the board and
646 * accessing them causes endless "too much work in irq53" messages
647 * with arago fs
648 */
649 __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
650 __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
Chaithrika U S491214e2009-08-11 17:03:25 -0400651
652 ret = da8xx_pinmux_setup(da850_mcasp_pins);
653 if (ret)
654 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
655 ret);
656
Mark A. Greerb8864aa2009-08-28 15:05:02 -0700657 da8xx_register_mcasp(0, &da850_evm_snd_data);
Sudhakar Rajashekhara5cbdf272009-08-13 14:33:14 -0400658
659 ret = da8xx_pinmux_setup(da850_lcdcntl_pins);
660 if (ret)
661 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
662 ret);
663
Sudhakar Rajashekhara7761ef62009-09-15 17:46:14 -0400664 /* Handle board specific muxing for LCD here */
665 ret = da8xx_pinmux_setup(da850_evm_lcdc_pins);
666 if (ret)
667 pr_warning("da850_evm_init: evm specific lcd mux setup "
668 "failed: %d\n", ret);
669
Sudhakar Rajashekhara5cbdf272009-08-13 14:33:14 -0400670 ret = da850_lcd_hw_init();
671 if (ret)
672 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
673 ret);
674
Mark A. Greerb9e63422009-09-15 18:14:19 -0700675 ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
Sudhakar Rajashekhara5cbdf272009-08-13 14:33:14 -0400676 if (ret)
677 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
678 ret);
Mark A. Greerc51df702009-09-15 18:15:54 -0700679
680 ret = da8xx_register_rtc();
681 if (ret)
682 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
Sekhar Nori09dc2d42009-09-22 21:14:03 +0530683
684 ret = da850_register_cpufreq();
685 if (ret)
686 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
687 ret);
Sudhakar Rajashekhara0fbc5592009-07-16 06:42:18 -0400688}
689
690#ifdef CONFIG_SERIAL_8250_CONSOLE
691static int __init da850_evm_console_init(void)
692{
693 return add_preferred_console("ttyS", 2, "115200");
694}
695console_initcall(da850_evm_console_init);
696#endif
697
698static __init void da850_evm_irq_init(void)
699{
700 struct davinci_soc_info *soc_info = &davinci_soc_info;
701
702 cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA850_N_CP_INTC_IRQ,
703 soc_info->intc_irq_prios);
704}
705
706static void __init da850_evm_map_io(void)
707{
708 da850_init();
709}
710
711MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM")
712 .phys_io = IO_PHYS,
713 .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
714 .boot_params = (DA8XX_DDR_BASE + 0x100),
715 .map_io = da850_evm_map_io,
716 .init_irq = da850_evm_irq_init,
717 .timer = &davinci_timer,
718 .init_machine = da850_evm_init,
719MACHINE_END