Merge branch 'depends/rmk/memory_h' into next/cleanup2
[linux-2.6-block.git] / arch / arm / mach-omap2 / board-am3517evm.c
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1/*
2 * linux/arch/arm/mach-omap2/board-am3517evm.c
3 *
4 * Copyright (C) 2009 Texas Instruments Incorporated
5 * Author: Ranjith Lohithakshan <ranjithl@ti.com>
6 *
7 * Based on mach-omap2/board-omap3evm.c
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation version 2.
12 *
13 * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
14 * whether express or implied; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 */
18
19#include <linux/kernel.h>
20#include <linux/init.h>
433cdb0a 21#include <linux/clk.h>
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22#include <linux/platform_device.h>
23#include <linux/gpio.h>
5d4292a5 24#include <linux/i2c/pca953x.h>
91733631 25#include <linux/can/platform/ti_hecc.h>
56881d28 26#include <linux/davinci_emac.h>
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27
28#include <mach/hardware.h>
e3d4d0a2 29#include <mach/am35xx.h>
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30#include <asm/mach-types.h>
31#include <asm/mach/arch.h>
32#include <asm/mach/map.h>
33
34#include <plat/board.h>
35#include <plat/common.h>
36#include <plat/usb.h>
a0b38cc4 37#include <video/omapdss.h>
f8ae2f08 38#include <video/omap-panel-generic-dpi.h>
c625327e 39
ca5742bd 40#include "mux.h"
4814ced5 41#include "control.h"
ca5742bd 42
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43#define AM35XX_EVM_MDIO_FREQUENCY (1000000)
44
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45static struct mdio_platform_data am3517_evm_mdio_pdata = {
46 .bus_freq = AM35XX_EVM_MDIO_FREQUENCY,
47};
48
49static struct resource am3517_mdio_resources[] = {
50 {
51 .start = AM35XX_IPSS_EMAC_BASE + AM35XX_EMAC_MDIO_OFFSET,
52 .end = AM35XX_IPSS_EMAC_BASE + AM35XX_EMAC_MDIO_OFFSET +
53 SZ_4K - 1,
54 .flags = IORESOURCE_MEM,
55 },
56};
57
58static struct platform_device am3517_mdio_device = {
59 .name = "davinci_mdio",
60 .id = 0,
61 .num_resources = ARRAY_SIZE(am3517_mdio_resources),
62 .resource = am3517_mdio_resources,
63 .dev.platform_data = &am3517_evm_mdio_pdata,
64};
65
56881d28 66static struct emac_platform_data am3517_evm_emac_pdata = {
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67 .rmii_en = 1,
68};
69
70static struct resource am3517_emac_resources[] = {
71 {
72 .start = AM35XX_IPSS_EMAC_BASE,
433cdb0a 73 .end = AM35XX_IPSS_EMAC_BASE + 0x2FFFF,
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74 .flags = IORESOURCE_MEM,
75 },
76 {
77 .start = INT_35XX_EMAC_C0_RXTHRESH_IRQ,
78 .end = INT_35XX_EMAC_C0_RXTHRESH_IRQ,
79 .flags = IORESOURCE_IRQ,
80 },
81 {
82 .start = INT_35XX_EMAC_C0_RX_PULSE_IRQ,
83 .end = INT_35XX_EMAC_C0_RX_PULSE_IRQ,
84 .flags = IORESOURCE_IRQ,
85 },
86 {
87 .start = INT_35XX_EMAC_C0_TX_PULSE_IRQ,
88 .end = INT_35XX_EMAC_C0_TX_PULSE_IRQ,
89 .flags = IORESOURCE_IRQ,
90 },
91 {
92 .start = INT_35XX_EMAC_C0_MISC_PULSE_IRQ,
93 .end = INT_35XX_EMAC_C0_MISC_PULSE_IRQ,
94 .flags = IORESOURCE_IRQ,
95 },
96};
97
98static struct platform_device am3517_emac_device = {
99 .name = "davinci_emac",
100 .id = -1,
101 .num_resources = ARRAY_SIZE(am3517_emac_resources),
102 .resource = am3517_emac_resources,
103};
104
105static void am3517_enable_ethernet_int(void)
106{
107 u32 regval;
108
109 regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
110 regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR |
111 AM35XX_CPGMAC_C0_TX_PULSE_CLR |
112 AM35XX_CPGMAC_C0_MISC_PULSE_CLR |
113 AM35XX_CPGMAC_C0_RX_THRESH_CLR);
114 omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR);
115 regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
116}
117
118static void am3517_disable_ethernet_int(void)
119{
120 u32 regval;
121
122 regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
123 regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR |
124 AM35XX_CPGMAC_C0_TX_PULSE_CLR);
125 omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR);
126 regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
127}
128
04aeae77 129static void am3517_evm_ethernet_init(struct emac_platform_data *pdata)
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130{
131 unsigned int regval;
132
133 pdata->ctrl_reg_offset = AM35XX_EMAC_CNTRL_OFFSET;
134 pdata->ctrl_mod_reg_offset = AM35XX_EMAC_CNTRL_MOD_OFFSET;
135 pdata->ctrl_ram_offset = AM35XX_EMAC_CNTRL_RAM_OFFSET;
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136 pdata->ctrl_ram_size = AM35XX_EMAC_CNTRL_RAM_SIZE;
137 pdata->version = EMAC_VERSION_2;
138 pdata->hw_ram_addr = AM35XX_EMAC_HW_RAM_ADDR;
139 pdata->interrupt_enable = am3517_enable_ethernet_int;
140 pdata->interrupt_disable = am3517_disable_ethernet_int;
141 am3517_emac_device.dev.platform_data = pdata;
142 platform_device_register(&am3517_emac_device);
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143 platform_device_register(&am3517_mdio_device);
144 clk_add_alias(NULL, dev_name(&am3517_mdio_device.dev),
145 NULL, &am3517_emac_device.dev);
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146
147 regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
148 regval = regval & (~(AM35XX_CPGMACSS_SW_RST));
149 omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET);
150 regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
151
152 return ;
153}
154
155
156
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157#define LCD_PANEL_PWR 176
158#define LCD_PANEL_BKLIGHT_PWR 182
159#define LCD_PANEL_PWM 181
160
b91da669 161static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
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162 {
163 I2C_BOARD_INFO("s35390a", 0x30),
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164 },
165};
166
167/*
168 * RTC - S35390A
169 */
170#define GPIO_RTCS35390A_IRQ 55
171
172static void __init am3517_evm_rtc_init(void)
173{
174 int r;
175
176 omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
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177
178 r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq");
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179 if (r < 0) {
180 printk(KERN_WARNING "failed to request GPIO#%d\n",
181 GPIO_RTCS35390A_IRQ);
182 return;
183 }
bc593f5d 184
b91da669 185 am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
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186}
187
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188/*
189 * I2C GPIO Expander - TCA6416
190 */
191
192/* Mounted on Base-Board */
193static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
194 .gpio_base = OMAP_MAX_GPIO_LINES,
195};
b91da669 196static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
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197 {
198 I2C_BOARD_INFO("tlv320aic23", 0x1A),
199 },
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200 {
201 I2C_BOARD_INFO("tca6416", 0x21),
202 .platform_data = &am3517evm_gpio_expander_info_0,
203 },
204};
205
206/* Mounted on UI Card */
207static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = {
208 .gpio_base = OMAP_MAX_GPIO_LINES + 16,
209};
210static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
211 .gpio_base = OMAP_MAX_GPIO_LINES + 32,
212};
b91da669 213static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
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214 {
215 I2C_BOARD_INFO("tca6416", 0x20),
216 .platform_data = &am3517evm_ui_gpio_expander_info_1,
217 },
218 {
219 I2C_BOARD_INFO("tca6416", 0x21),
220 .platform_data = &am3517evm_ui_gpio_expander_info_2,
221 },
222};
223
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224static int __init am3517_evm_i2c_init(void)
225{
226 omap_register_i2c_bus(1, 400, NULL, 0);
b91da669 227 omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo,
228 ARRAY_SIZE(am3517evm_i2c2_boardinfo));
229 omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo,
230 ARRAY_SIZE(am3517evm_i2c3_boardinfo));
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231
232 return 0;
233}
234
c3d33329
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235static int lcd_enabled;
236static int dvi_enabled;
237
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238#if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
239 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
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240static struct gpio am3517_evm_dss_gpios[] __initdata = {
241 /* GPIO 182 = LCD Backlight Power */
242 { LCD_PANEL_BKLIGHT_PWR, GPIOF_OUT_INIT_HIGH, "lcd_backlight_pwr" },
243 /* GPIO 181 = LCD Panel PWM */
244 { LCD_PANEL_PWM, GPIOF_OUT_INIT_HIGH, "lcd bl enable" },
245 /* GPIO 176 = LCD Panel Power enable pin */
246 { LCD_PANEL_PWR, GPIOF_OUT_INIT_HIGH, "dvi enable" },
247};
248
c3d33329
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249static void __init am3517_evm_display_init(void)
250{
251 int r;
252
253 omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP);
254 omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN);
255 omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN);
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256
257 r = gpio_request_array(am3517_evm_dss_gpios,
258 ARRAY_SIZE(am3517_evm_dss_gpios));
c3d33329 259 if (r) {
bc593f5d 260 printk(KERN_ERR "failed to get DSS panel control GPIOs\n");
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261 return;
262 }
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263
264 printk(KERN_INFO "Display initialized successfully\n");
c3d33329 265}
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266#else
267static void __init am3517_evm_display_init(void) {}
268#endif
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269
270static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev)
271{
272 if (dvi_enabled) {
273 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
274 return -EINVAL;
275 }
276 gpio_set_value(LCD_PANEL_PWR, 1);
277 lcd_enabled = 1;
278
279 return 0;
280}
281
282static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev)
283{
284 gpio_set_value(LCD_PANEL_PWR, 0);
285 lcd_enabled = 0;
286}
287
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288static struct panel_generic_dpi_data lcd_panel = {
289 .name = "sharp_lq",
290 .platform_enable = am3517_evm_panel_enable_lcd,
291 .platform_disable = am3517_evm_panel_disable_lcd,
292};
293
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294static struct omap_dss_device am3517_evm_lcd_device = {
295 .type = OMAP_DISPLAY_TYPE_DPI,
296 .name = "lcd",
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297 .driver_name = "generic_dpi_panel",
298 .data = &lcd_panel,
c3d33329 299 .phy.dpi.data_lines = 16,
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300};
301
302static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev)
303{
304 return 0;
305}
306
307static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev)
308{
309}
310
311static struct omap_dss_device am3517_evm_tv_device = {
312 .type = OMAP_DISPLAY_TYPE_VENC,
313 .name = "tv",
314 .driver_name = "venc",
315 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
316 .platform_enable = am3517_evm_panel_enable_tv,
317 .platform_disable = am3517_evm_panel_disable_tv,
318};
319
320static int am3517_evm_panel_enable_dvi(struct omap_dss_device *dssdev)
321{
322 if (lcd_enabled) {
323 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
324 return -EINVAL;
325 }
326 dvi_enabled = 1;
327
328 return 0;
329}
330
331static void am3517_evm_panel_disable_dvi(struct omap_dss_device *dssdev)
332{
333 dvi_enabled = 0;
334}
335
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336static struct panel_generic_dpi_data dvi_panel = {
337 .name = "generic",
338 .platform_enable = am3517_evm_panel_enable_dvi,
339 .platform_disable = am3517_evm_panel_disable_dvi,
340};
341
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342static struct omap_dss_device am3517_evm_dvi_device = {
343 .type = OMAP_DISPLAY_TYPE_DPI,
344 .name = "dvi",
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345 .driver_name = "generic_dpi_panel",
346 .data = &dvi_panel,
c3d33329 347 .phy.dpi.data_lines = 24,
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348};
349
350static struct omap_dss_device *am3517_evm_dss_devices[] = {
351 &am3517_evm_lcd_device,
352 &am3517_evm_tv_device,
353 &am3517_evm_dvi_device,
354};
355
356static struct omap_dss_board_info am3517_evm_dss_data = {
357 .num_devices = ARRAY_SIZE(am3517_evm_dss_devices),
358 .devices = am3517_evm_dss_devices,
359 .default_device = &am3517_evm_lcd_device,
360};
361
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362/*
363 * Board initialization
364 */
c625327e 365
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366static struct omap_musb_board_data musb_board_data = {
367 .interface_type = MUSB_INTERFACE_ULPI,
368 .mode = MUSB_OTG,
369 .power = 500,
fe5a4901
HH
370 .set_phy_power = am35x_musb_phy_power,
371 .clear_irq = am35x_musb_clear_irq,
a6d28523 372 .set_mode = am35x_set_mode,
fe5a4901 373 .reset = am35x_musb_reset,
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AKG
374};
375
376static __init void am3517_evm_musb_init(void)
377{
378 u32 devconf2;
379
380 /*
381 * Set up USB clock/mode in the DEVCONF2 register.
382 */
383 devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
384
385 /* USB2.0 PHY reference clock is 13 MHz */
386 devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE);
387 devconf2 |= CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN
388 | CONF2_DATPOL;
389
390 omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
391
392 usb_musb_init(&musb_board_data);
393}
394
181b250c
KM
395static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
396 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
de997718
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397#if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
398 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
181b250c 399 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
de997718 400#else
181b250c 401 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
de997718 402#endif
181b250c 403 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
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404
405 .phy_reset = true,
406 .reset_gpio_port[0] = 57,
407 .reset_gpio_port[1] = -EINVAL,
408 .reset_gpio_port[2] = -EINVAL
409};
410
ca5742bd
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411#ifdef CONFIG_OMAP_MUX
412static struct omap_board_mux board_mux[] __initdata = {
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413 /* USB OTG DRVVBUS offset = 0x212 */
414 OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
ca5742bd
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415 { .reg_offset = OMAP_MUX_TERMINATOR },
416};
ca5742bd
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417#endif
418
91733631
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419
420static struct resource am3517_hecc_resources[] = {
421 {
422 .start = AM35XX_IPSS_HECC_BASE,
423 .end = AM35XX_IPSS_HECC_BASE + 0x3FFF,
424 .flags = IORESOURCE_MEM,
425 },
426 {
427 .start = INT_35XX_HECC0_IRQ,
428 .end = INT_35XX_HECC0_IRQ,
429 .flags = IORESOURCE_IRQ,
430 },
431};
432
433static struct platform_device am3517_hecc_device = {
434 .name = "ti_hecc",
435 .id = -1,
436 .num_resources = ARRAY_SIZE(am3517_hecc_resources),
437 .resource = am3517_hecc_resources,
438};
439
440static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
441 .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
442 .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
443 .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
444 .mbx_offset = AM35XX_HECC_MBOX_OFFSET,
445 .int_line = AM35XX_HECC_INT_LINE,
446 .version = AM35XX_HECC_VERSION,
447};
448
449static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
450{
451 am3517_hecc_device.dev.platform_data = pdata;
452 platform_device_register(&am3517_hecc_device);
453}
454
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455static struct omap_board_config_kernel am3517_evm_config[] __initdata = {
456};
457
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458static void __init am3517_evm_init(void)
459{
e41cccfe
TL
460 omap_board_config = am3517_evm_config;
461 omap_board_config_size = ARRAY_SIZE(am3517_evm_config);
ca5742bd 462 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
5241b6b3 463
464 am3517_evm_i2c_init();
d5e13227 465 omap_display_init(&am3517_evm_dss_data);
c625327e 466 omap_serial_init();
a4ca9dbe 467 omap_sdrc_init(NULL, NULL);
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468
469 /* Configure GPIO for EHCI port */
470 omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
9e64bb1e 471 usbhs_init(&usbhs_bdata);
91733631 472 am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
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473 /* DSS */
474 am3517_evm_display_init();
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475
476 /* RTC - S35390A */
477 am3517_evm_rtc_init();
478
b91da669 479 i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
480 ARRAY_SIZE(am3517evm_i2c1_boardinfo));
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481 /*Ethernet*/
482 am3517_evm_ethernet_init(&am3517_evm_emac_pdata);
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483
484 /* MUSB */
485 am3517_evm_musb_init();
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486}
487
c625327e 488MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
5e52b435 489 .atag_offset = 0x100,
71ee7dad 490 .reserve = omap_reserve,
3dc3bad6 491 .map_io = omap3_map_io,
8f5b5a41 492 .init_early = am35xx_init_early,
741e3a89 493 .init_irq = omap3_init_irq,
c625327e 494 .init_machine = am3517_evm_init,
e74984e4 495 .timer = &omap3_timer,
c625327e 496MACHINE_END