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1 | /* |
2 | * armadillo5x0.c |
3 | * |
4 | * Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> |
5 | * updates in http://alberdroid.blogspot.com/ |
6 | * |
7 | * Based on Atmark Techno, Inc. armadillo 500 BSP 2008 |
8 | * Based on mx31ads.c and pcm037.c Great Work! |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify |
11 | * it under the terms of the GNU General Public License as published by |
12 | * the Free Software Foundation; either version 2 of the License, or |
13 | * (at your option) any later version. |
14 | * |
15 | * This program is distributed in the hope that it will be useful, |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 | * GNU General Public License for more details. |
19 | * |
20 | * You should have received a copy of the GNU General Public License |
21 | * along with this program; if not, write to the Free Software |
22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
23 | * MA 02110-1301, USA. |
24 | */ |
25 | |
26 | #include <linux/types.h> |
27 | #include <linux/init.h> |
28 | #include <linux/clk.h> |
29 | #include <linux/platform_device.h> |
30 | #include <linux/gpio.h> |
31 | #include <linux/smsc911x.h> |
32 | #include <linux/interrupt.h> |
33 | #include <linux/irq.h> |
34 | #include <linux/mtd/physmap.h> |
35 | #include <linux/io.h> |
36 | #include <linux/input.h> |
37 | #include <linux/gpio_keys.h> |
38 | #include <linux/i2c.h> |
39 | #include <linux/usb/otg.h> |
40 | #include <linux/usb/ulpi.h> |
41 | #include <linux/delay.h> |
42 | |
43 | #include <mach/hardware.h> |
44 | #include <asm/mach-types.h> |
45 | #include <asm/mach/arch.h> |
46 | #include <asm/mach/time.h> |
47 | #include <asm/memory.h> |
48 | #include <asm/mach/map.h> |
49 | |
50 | #include <mach/common.h> |
51 | #include <mach/iomux-mx3.h> |
52 | #include <mach/mmc.h> |
53 | #include <mach/ipu.h> |
54 | #include <mach/mx3fb.h> |
55 | #include <mach/mxc_ehci.h> |
56 | #include <mach/ulpi.h> |
57 | |
58 | #include "devices-imx31.h" |
59 | #include "devices.h" |
60 | #include "crm_regs.h" |
61 | |
62 | static int armadillo5x0_pins[] = { |
63 | /* UART1 */ |
64 | MX31_PIN_CTS1__CTS1, |
65 | MX31_PIN_RTS1__RTS1, |
66 | MX31_PIN_TXD1__TXD1, |
67 | MX31_PIN_RXD1__RXD1, |
68 | /* UART2 */ |
69 | MX31_PIN_CTS2__CTS2, |
70 | MX31_PIN_RTS2__RTS2, |
71 | MX31_PIN_TXD2__TXD2, |
72 | MX31_PIN_RXD2__RXD2, |
73 | /* LAN9118_IRQ */ |
74 | IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO), |
75 | /* SDHC1 */ |
76 | MX31_PIN_SD1_DATA3__SD1_DATA3, |
77 | MX31_PIN_SD1_DATA2__SD1_DATA2, |
78 | MX31_PIN_SD1_DATA1__SD1_DATA1, |
79 | MX31_PIN_SD1_DATA0__SD1_DATA0, |
80 | MX31_PIN_SD1_CLK__SD1_CLK, |
81 | MX31_PIN_SD1_CMD__SD1_CMD, |
82 | /* Framebuffer */ |
83 | MX31_PIN_LD0__LD0, |
84 | MX31_PIN_LD1__LD1, |
85 | MX31_PIN_LD2__LD2, |
86 | MX31_PIN_LD3__LD3, |
87 | MX31_PIN_LD4__LD4, |
88 | MX31_PIN_LD5__LD5, |
89 | MX31_PIN_LD6__LD6, |
90 | MX31_PIN_LD7__LD7, |
91 | MX31_PIN_LD8__LD8, |
92 | MX31_PIN_LD9__LD9, |
93 | MX31_PIN_LD10__LD10, |
94 | MX31_PIN_LD11__LD11, |
95 | MX31_PIN_LD12__LD12, |
96 | MX31_PIN_LD13__LD13, |
97 | MX31_PIN_LD14__LD14, |
98 | MX31_PIN_LD15__LD15, |
99 | MX31_PIN_LD16__LD16, |
100 | MX31_PIN_LD17__LD17, |
101 | MX31_PIN_VSYNC3__VSYNC3, |
102 | MX31_PIN_HSYNC__HSYNC, |
103 | MX31_PIN_FPSHIFT__FPSHIFT, |
104 | MX31_PIN_DRDY0__DRDY0, |
105 | IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/ |
106 | /* I2C2 */ |
107 | MX31_PIN_CSPI2_MOSI__SCL, |
108 | MX31_PIN_CSPI2_MISO__SDA, |
109 | /* OTG */ |
110 | MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, |
111 | MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, |
112 | MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, |
113 | MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, |
114 | MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, |
115 | MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, |
116 | MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, |
117 | MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, |
118 | MX31_PIN_USBOTG_CLK__USBOTG_CLK, |
119 | MX31_PIN_USBOTG_DIR__USBOTG_DIR, |
120 | MX31_PIN_USBOTG_NXT__USBOTG_NXT, |
121 | MX31_PIN_USBOTG_STP__USBOTG_STP, |
122 | /* USB host 2 */ |
123 | IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC), |
124 | IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC), |
125 | IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC), |
126 | IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC), |
127 | IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC), |
128 | IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC), |
129 | IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC), |
130 | IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC), |
131 | IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC), |
132 | IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC), |
133 | IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC), |
134 | IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC), |
135 | }; |
136 | |
137 | /* USB */ |
138 | #if defined(CONFIG_USB_ULPI) |
139 | |
140 | #define OTG_RESET IOMUX_TO_GPIO(MX31_PIN_STXD4) |
141 | #define USBH2_RESET IOMUX_TO_GPIO(MX31_PIN_SCK6) |
142 | #define USBH2_CS IOMUX_TO_GPIO(MX31_PIN_GPIO1_3) |
143 | |
144 | #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ |
145 | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) |
146 | |
147 | static int usbotg_init(struct platform_device *pdev) |
148 | { |
149 | int err; |
150 | |
151 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG); |
152 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG); |
153 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG); |
154 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG); |
155 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG); |
156 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG); |
157 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG); |
158 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG); |
159 | mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG); |
160 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG); |
161 | mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG); |
162 | mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG); |
163 | |
164 | /* Chip already enabled by hardware */ |
165 | /* OTG phy reset*/ |
166 | err = gpio_request(OTG_RESET, "USB-OTG-RESET"); |
167 | if (err) { |
168 | pr_err("Failed to request the usb otg reset gpio\n"); |
169 | return err; |
170 | } |
171 | |
172 | err = gpio_direction_output(OTG_RESET, 1/*HIGH*/); |
173 | if (err) { |
174 | pr_err("Failed to reset the usb otg phy\n"); |
175 | goto otg_free_reset; |
176 | } |
177 | |
178 | gpio_set_value(OTG_RESET, 0/*LOW*/); |
179 | mdelay(5); |
180 | gpio_set_value(OTG_RESET, 1/*HIGH*/); |
181 | |
182 | return 0; |
183 | |
184 | otg_free_reset: |
185 | gpio_free(OTG_RESET); |
186 | return err; |
187 | } |
188 | |
189 | static int usbh2_init(struct platform_device *pdev) |
190 | { |
191 | int err; |
192 | |
193 | mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG); |
194 | mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG); |
195 | mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG); |
196 | mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG); |
197 | mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG); |
198 | mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG); |
199 | mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG); |
200 | mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG); |
201 | mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG); |
202 | mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG); |
203 | mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG); |
204 | mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG); |
205 | |
206 | mxc_iomux_set_gpr(MUX_PGP_UH2, true); |
207 | |
208 | |
209 | /* Enable the chip */ |
210 | err = gpio_request(USBH2_CS, "USB-H2-CS"); |
211 | if (err) { |
212 | pr_err("Failed to request the usb host 2 CS gpio\n"); |
213 | return err; |
214 | } |
215 | |
216 | err = gpio_direction_output(USBH2_CS, 0/*Enabled*/); |
217 | if (err) { |
218 | pr_err("Failed to drive the usb host 2 CS gpio\n"); |
219 | goto h2_free_cs; |
220 | } |
221 | |
222 | /* H2 phy reset*/ |
223 | err = gpio_request(USBH2_RESET, "USB-H2-RESET"); |
224 | if (err) { |
225 | pr_err("Failed to request the usb host 2 reset gpio\n"); |
226 | goto h2_free_cs; |
227 | } |
228 | |
229 | err = gpio_direction_output(USBH2_RESET, 1/*HIGH*/); |
230 | if (err) { |
231 | pr_err("Failed to reset the usb host 2 phy\n"); |
232 | goto h2_free_reset; |
233 | } |
234 | |
235 | gpio_set_value(USBH2_RESET, 0/*LOW*/); |
236 | mdelay(5); |
237 | gpio_set_value(USBH2_RESET, 1/*HIGH*/); |
238 | |
239 | return 0; |
240 | |
241 | h2_free_reset: |
242 | gpio_free(USBH2_RESET); |
243 | h2_free_cs: |
244 | gpio_free(USBH2_CS); |
245 | return err; |
246 | } |
247 | |
248 | static struct mxc_usbh_platform_data usbotg_pdata = { |
249 | .init = usbotg_init, |
250 | .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, |
251 | .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI, |
252 | }; |
253 | |
254 | static struct mxc_usbh_platform_data usbh2_pdata = { |
255 | .init = usbh2_init, |
256 | .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, |
257 | .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI, |
258 | }; |
259 | #endif /* CONFIG_USB_ULPI */ |
260 | |
261 | /* RTC over I2C*/ |
262 | #define ARMADILLO5X0_RTC_GPIO IOMUX_TO_GPIO(MX31_PIN_SRXD4) |
263 | |
264 | static struct i2c_board_info armadillo5x0_i2c_rtc = { |
265 | I2C_BOARD_INFO("s35390a", 0x30), |
266 | }; |
267 | |
268 | /* GPIO BUTTONS */ |
269 | static struct gpio_keys_button armadillo5x0_buttons[] = { |
270 | { |
271 | .code = KEY_ENTER, /*28*/ |
272 | .gpio = IOMUX_TO_GPIO(MX31_PIN_SCLK0), |
273 | .active_low = 1, |
274 | .desc = "menu", |
275 | .wakeup = 1, |
276 | }, { |
277 | .code = KEY_BACK, /*158*/ |
278 | .gpio = IOMUX_TO_GPIO(MX31_PIN_SRST0), |
279 | .active_low = 1, |
280 | .desc = "back", |
281 | .wakeup = 1, |
282 | } |
283 | }; |
284 | |
285 | static struct gpio_keys_platform_data armadillo5x0_button_data = { |
286 | .buttons = armadillo5x0_buttons, |
287 | .nbuttons = ARRAY_SIZE(armadillo5x0_buttons), |
288 | }; |
289 | |
290 | static struct platform_device armadillo5x0_button_device = { |
291 | .name = "gpio-keys", |
292 | .id = -1, |
293 | .num_resources = 0, |
294 | .dev = { |
295 | .platform_data = &armadillo5x0_button_data, |
296 | } |
297 | }; |
298 | |
299 | /* |
300 | * NAND Flash |
301 | */ |
302 | static const struct mxc_nand_platform_data |
303 | armadillo5x0_nand_board_info __initconst = { |
304 | .width = 1, |
305 | .hw_ecc = 1, |
306 | }; |
307 | |
308 | /* |
309 | * MTD NOR Flash |
310 | */ |
311 | static struct mtd_partition armadillo5x0_nor_flash_partitions[] = { |
312 | { |
313 | .name = "nor.bootloader", |
314 | .offset = 0x00000000, |
315 | .size = 4*32*1024, |
316 | }, { |
317 | .name = "nor.kernel", |
318 | .offset = MTDPART_OFS_APPEND, |
319 | .size = 16*128*1024, |
320 | }, { |
321 | .name = "nor.userland", |
322 | .offset = MTDPART_OFS_APPEND, |
323 | .size = 110*128*1024, |
324 | }, { |
325 | .name = "nor.config", |
326 | .offset = MTDPART_OFS_APPEND, |
327 | .size = 1*128*1024, |
328 | }, |
329 | }; |
330 | |
331 | static struct physmap_flash_data armadillo5x0_nor_flash_pdata = { |
332 | .width = 2, |
333 | .parts = armadillo5x0_nor_flash_partitions, |
334 | .nr_parts = ARRAY_SIZE(armadillo5x0_nor_flash_partitions), |
335 | }; |
336 | |
337 | static struct resource armadillo5x0_nor_flash_resource = { |
338 | .flags = IORESOURCE_MEM, |
339 | .start = MX31_CS0_BASE_ADDR, |
340 | .end = MX31_CS0_BASE_ADDR + SZ_64M - 1, |
341 | }; |
342 | |
343 | static struct platform_device armadillo5x0_nor_flash = { |
344 | .name = "physmap-flash", |
345 | .id = -1, |
346 | .num_resources = 1, |
347 | .resource = &armadillo5x0_nor_flash_resource, |
348 | }; |
349 | |
350 | /* |
351 | * FB support |
352 | */ |
353 | static const struct fb_videomode fb_modedb[] = { |
354 | { /* 640x480 @ 60 Hz */ |
355 | .name = "CRT-VGA", |
356 | .refresh = 60, |
357 | .xres = 640, |
358 | .yres = 480, |
359 | .pixclock = 39721, |
360 | .left_margin = 35, |
361 | .right_margin = 115, |
362 | .upper_margin = 43, |
363 | .lower_margin = 1, |
364 | .hsync_len = 10, |
365 | .vsync_len = 1, |
366 | .sync = FB_SYNC_OE_ACT_HIGH, |
367 | .vmode = FB_VMODE_NONINTERLACED, |
368 | .flag = 0, |
369 | }, {/* 800x600 @ 56 Hz */ |
370 | .name = "CRT-SVGA", |
371 | .refresh = 56, |
372 | .xres = 800, |
373 | .yres = 600, |
374 | .pixclock = 30000, |
375 | .left_margin = 30, |
376 | .right_margin = 108, |
377 | .upper_margin = 13, |
378 | .lower_margin = 10, |
379 | .hsync_len = 10, |
380 | .vsync_len = 1, |
381 | .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_HOR_HIGH_ACT | |
382 | FB_SYNC_VERT_HIGH_ACT, |
383 | .vmode = FB_VMODE_NONINTERLACED, |
384 | .flag = 0, |
385 | }, |
386 | }; |
387 | |
388 | static struct ipu_platform_data mx3_ipu_data = { |
389 | .irq_base = MXC_IPU_IRQ_START, |
390 | }; |
391 | |
392 | static struct mx3fb_platform_data mx3fb_pdata = { |
393 | .dma_dev = &mx3_ipu.dev, |
394 | .name = "CRT-VGA", |
395 | .mode = fb_modedb, |
396 | .num_modes = ARRAY_SIZE(fb_modedb), |
397 | }; |
398 | |
399 | /* |
400 | * SDHC 1 |
401 | * MMC support |
402 | */ |
403 | static int armadillo5x0_sdhc1_get_ro(struct device *dev) |
404 | { |
405 | return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B)); |
406 | } |
407 | |
408 | static int armadillo5x0_sdhc1_init(struct device *dev, |
409 | irq_handler_t detect_irq, void *data) |
410 | { |
411 | int ret; |
412 | int gpio_det, gpio_wp; |
413 | |
414 | gpio_det = IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK); |
415 | gpio_wp = IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B); |
416 | |
417 | ret = gpio_request(gpio_det, "sdhc-card-detect"); |
418 | if (ret) |
419 | return ret; |
420 | |
421 | gpio_direction_input(gpio_det); |
422 | |
423 | ret = gpio_request(gpio_wp, "sdhc-write-protect"); |
424 | if (ret) |
425 | goto err_gpio_free; |
426 | |
427 | gpio_direction_input(gpio_wp); |
428 | |
429 | /* When supported the trigger type have to be BOTH */ |
430 | ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), detect_irq, |
431 | IRQF_DISABLED | IRQF_TRIGGER_FALLING, |
432 | "sdhc-detect", data); |
433 | |
434 | if (ret) |
435 | goto err_gpio_free_2; |
436 | |
437 | return 0; |
438 | |
439 | err_gpio_free_2: |
440 | gpio_free(gpio_wp); |
441 | |
442 | err_gpio_free: |
443 | gpio_free(gpio_det); |
444 | |
445 | return ret; |
446 | |
447 | } |
448 | |
449 | static void armadillo5x0_sdhc1_exit(struct device *dev, void *data) |
450 | { |
451 | free_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), data); |
452 | gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK)); |
453 | gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B)); |
454 | } |
455 | |
456 | static struct imxmmc_platform_data sdhc_pdata = { |
457 | .get_ro = armadillo5x0_sdhc1_get_ro, |
458 | .init = armadillo5x0_sdhc1_init, |
459 | .exit = armadillo5x0_sdhc1_exit, |
460 | }; |
461 | |
462 | /* |
463 | * SMSC 9118 |
464 | * Network support |
465 | */ |
466 | static struct resource armadillo5x0_smc911x_resources[] = { |
467 | { |
468 | .start = MX31_CS3_BASE_ADDR, |
469 | .end = MX31_CS3_BASE_ADDR + SZ_32M - 1, |
470 | .flags = IORESOURCE_MEM, |
471 | }, { |
472 | .start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0), |
473 | .end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0), |
474 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, |
475 | }, |
476 | }; |
477 | |
478 | static struct smsc911x_platform_config smsc911x_info = { |
479 | .flags = SMSC911X_USE_16BIT, |
480 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, |
481 | .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, |
482 | }; |
483 | |
484 | static struct platform_device armadillo5x0_smc911x_device = { |
485 | .name = "smsc911x", |
486 | .id = -1, |
487 | .num_resources = ARRAY_SIZE(armadillo5x0_smc911x_resources), |
488 | .resource = armadillo5x0_smc911x_resources, |
489 | .dev = { |
490 | .platform_data = &smsc911x_info, |
491 | }, |
492 | }; |
493 | |
494 | /* UART device data */ |
495 | static const struct imxuart_platform_data uart_pdata __initconst = { |
496 | .flags = IMXUART_HAVE_RTSCTS, |
497 | }; |
498 | |
499 | static struct platform_device *devices[] __initdata = { |
500 | &armadillo5x0_smc911x_device, |
501 | &armadillo5x0_button_device, |
502 | }; |
503 | |
504 | /* |
505 | * Perform board specific initializations |
506 | */ |
507 | static void __init armadillo5x0_init(void) |
508 | { |
509 | mxc_iomux_setup_multiple_pins(armadillo5x0_pins, |
510 | ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0"); |
511 | |
512 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
513 | imx31_add_imx_i2c1(NULL); |
514 | |
515 | /* Register UART */ |
516 | imx31_add_imx_uart0(&uart_pdata); |
517 | imx31_add_imx_uart1(&uart_pdata); |
518 | |
519 | /* SMSC9118 IRQ pin */ |
520 | gpio_direction_input(MX31_PIN_GPIO1_0); |
521 | |
522 | /* Register SDHC */ |
523 | mxc_register_device(&mxcsdhc_device0, &sdhc_pdata); |
524 | |
525 | /* Register FB */ |
526 | mxc_register_device(&mx3_ipu, &mx3_ipu_data); |
527 | mxc_register_device(&mx3_fb, &mx3fb_pdata); |
528 | |
529 | /* Register NOR Flash */ |
530 | mxc_register_device(&armadillo5x0_nor_flash, |
531 | &armadillo5x0_nor_flash_pdata); |
532 | |
533 | /* Register NAND Flash */ |
534 | imx31_add_mxc_nand(&armadillo5x0_nand_board_info); |
535 | |
536 | /* set NAND page size to 2k if not configured via boot mode pins */ |
537 | __raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR); |
538 | |
539 | /* RTC */ |
540 | /* Get RTC IRQ and register the chip */ |
541 | if (gpio_request(ARMADILLO5X0_RTC_GPIO, "rtc") == 0) { |
542 | if (gpio_direction_input(ARMADILLO5X0_RTC_GPIO) == 0) |
543 | armadillo5x0_i2c_rtc.irq = gpio_to_irq(ARMADILLO5X0_RTC_GPIO); |
544 | else |
545 | gpio_free(ARMADILLO5X0_RTC_GPIO); |
546 | } |
547 | if (armadillo5x0_i2c_rtc.irq == 0) |
548 | pr_warning("armadillo5x0_init: failed to get RTC IRQ\n"); |
549 | i2c_register_board_info(1, &armadillo5x0_i2c_rtc, 1); |
550 | |
551 | /* USB */ |
552 | #if defined(CONFIG_USB_ULPI) |
553 | usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, |
554 | ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); |
555 | usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, |
556 | ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); |
557 | |
558 | mxc_register_device(&mxc_otg_host, &usbotg_pdata); |
559 | mxc_register_device(&mxc_usbh2, &usbh2_pdata); |
560 | #endif |
561 | } |
562 | |
563 | static void __init armadillo5x0_timer_init(void) |
564 | { |
565 | mx31_clocks_init(26000000); |
566 | } |
567 | |
568 | static struct sys_timer armadillo5x0_timer = { |
569 | .init = armadillo5x0_timer_init, |
570 | }; |
571 | |
572 | MACHINE_START(ARMADILLO5X0, "Armadillo-500") |
573 | /* Maintainer: Alberto Panizzo */ |
574 | .boot_params = MX3x_PHYS_OFFSET + 0x100, |
575 | .map_io = mx31_map_io, |
576 | .init_irq = mx31_init_irq, |
577 | .timer = &armadillo5x0_timer, |
578 | .init_machine = armadillo5x0_init, |
579 | MACHINE_END |
580 |
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v2.6.34-rc5
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