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TOMOYO Linux Cross Reference
Linux/arch/arm/mach-imx/mach-armadillo5x0.c

Version: ~ [ linux-5.6-rc1 ] ~ [ linux-5.5.2 ] ~ [ linux-5.4.17 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.102 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.170 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.213 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.213 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.81 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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/i2c.h>
 38 #include <linux/usb/otg.h>
 39 #include <linux/usb/ulpi.h>
 40 #include <linux/delay.h>
 41 #include <linux/regulator/machine.h>
 42 #include <linux/regulator/fixed.h>
 43 
 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 "common.h"
 51 #include "devices-imx31.h"
 52 #include "crmregs-imx3.h"
 53 #include "hardware.h"
 54 #include "iomux-mx3.h"
 55 #include "ulpi.h"
 56 
 57 static int armadillo5x0_pins[] = {
 58         /* UART1 */
 59         MX31_PIN_CTS1__CTS1,
 60         MX31_PIN_RTS1__RTS1,
 61         MX31_PIN_TXD1__TXD1,
 62         MX31_PIN_RXD1__RXD1,
 63         /* UART2 */
 64         MX31_PIN_CTS2__CTS2,
 65         MX31_PIN_RTS2__RTS2,
 66         MX31_PIN_TXD2__TXD2,
 67         MX31_PIN_RXD2__RXD2,
 68         /* LAN9118_IRQ */
 69         IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO),
 70         /* SDHC1 */
 71         MX31_PIN_SD1_DATA3__SD1_DATA3,
 72         MX31_PIN_SD1_DATA2__SD1_DATA2,
 73         MX31_PIN_SD1_DATA1__SD1_DATA1,
 74         MX31_PIN_SD1_DATA0__SD1_DATA0,
 75         MX31_PIN_SD1_CLK__SD1_CLK,
 76         MX31_PIN_SD1_CMD__SD1_CMD,
 77         /* Framebuffer */
 78         MX31_PIN_LD0__LD0,
 79         MX31_PIN_LD1__LD1,
 80         MX31_PIN_LD2__LD2,
 81         MX31_PIN_LD3__LD3,
 82         MX31_PIN_LD4__LD4,
 83         MX31_PIN_LD5__LD5,
 84         MX31_PIN_LD6__LD6,
 85         MX31_PIN_LD7__LD7,
 86         MX31_PIN_LD8__LD8,
 87         MX31_PIN_LD9__LD9,
 88         MX31_PIN_LD10__LD10,
 89         MX31_PIN_LD11__LD11,
 90         MX31_PIN_LD12__LD12,
 91         MX31_PIN_LD13__LD13,
 92         MX31_PIN_LD14__LD14,
 93         MX31_PIN_LD15__LD15,
 94         MX31_PIN_LD16__LD16,
 95         MX31_PIN_LD17__LD17,
 96         MX31_PIN_VSYNC3__VSYNC3,
 97         MX31_PIN_HSYNC__HSYNC,
 98         MX31_PIN_FPSHIFT__FPSHIFT,
 99         MX31_PIN_DRDY0__DRDY0,
100         IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/
101         /* I2C2 */
102         MX31_PIN_CSPI2_MOSI__SCL,
103         MX31_PIN_CSPI2_MISO__SDA,
104         /* OTG */
105         MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
106         MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
107         MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
108         MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
109         MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
110         MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
111         MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
112         MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
113         MX31_PIN_USBOTG_CLK__USBOTG_CLK,
114         MX31_PIN_USBOTG_DIR__USBOTG_DIR,
115         MX31_PIN_USBOTG_NXT__USBOTG_NXT,
116         MX31_PIN_USBOTG_STP__USBOTG_STP,
117         /* USB host 2 */
118         IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
119         IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
120         IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
121         IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
122         IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
123         IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
124         IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
125         IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
126         IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
127         IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
128         IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
129         IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
130 };
131 
132 /* USB */
133 
134 #define OTG_RESET IOMUX_TO_GPIO(MX31_PIN_STXD4)
135 #define USBH2_RESET IOMUX_TO_GPIO(MX31_PIN_SCK6)
136 #define USBH2_CS IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)
137 
138 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
139                         PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
140 
141 static int usbotg_init(struct platform_device *pdev)
142 {
143         int err;
144 
145         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
146         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
147         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
148         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
149         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
150         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
151         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
152         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
153         mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
154         mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
155         mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
156         mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
157 
158         /* Chip already enabled by hardware */
159         /* OTG phy reset*/
160         err = gpio_request(OTG_RESET, "USB-OTG-RESET");
161         if (err) {
162                 pr_err("Failed to request the usb otg reset gpio\n");
163                 return err;
164         }
165 
166         err = gpio_direction_output(OTG_RESET, 1/*HIGH*/);
167         if (err) {
168                 pr_err("Failed to reset the usb otg phy\n");
169                 goto otg_free_reset;
170         }
171 
172         gpio_set_value(OTG_RESET, 0/*LOW*/);
173         mdelay(5);
174         gpio_set_value(OTG_RESET, 1/*HIGH*/);
175         mdelay(10);
176 
177         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
178                         MXC_EHCI_INTERFACE_DIFF_UNI);
179 
180 otg_free_reset:
181         gpio_free(OTG_RESET);
182         return err;
183 }
184 
185 static int usbh2_init(struct platform_device *pdev)
186 {
187         int err;
188 
189         mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
190         mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
191         mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
192         mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
193         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
194         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
195         mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
196         mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
197         mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
198         mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
199         mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
200         mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
201 
202         mxc_iomux_set_gpr(MUX_PGP_UH2, true);
203 
204 
205         /* Enable the chip */
206         err = gpio_request(USBH2_CS, "USB-H2-CS");
207         if (err) {
208                 pr_err("Failed to request the usb host 2 CS gpio\n");
209                 return err;
210         }
211 
212         err = gpio_direction_output(USBH2_CS, 0/*Enabled*/);
213         if (err) {
214                 pr_err("Failed to drive the usb host 2 CS gpio\n");
215                 goto h2_free_cs;
216         }
217 
218         /* H2 phy reset*/
219         err = gpio_request(USBH2_RESET, "USB-H2-RESET");
220         if (err) {
221                 pr_err("Failed to request the usb host 2 reset gpio\n");
222                 goto h2_free_cs;
223         }
224 
225         err = gpio_direction_output(USBH2_RESET, 1/*HIGH*/);
226         if (err) {
227                 pr_err("Failed to reset the usb host 2 phy\n");
228                 goto h2_free_reset;
229         }
230 
231         gpio_set_value(USBH2_RESET, 0/*LOW*/);
232         mdelay(5);
233         gpio_set_value(USBH2_RESET, 1/*HIGH*/);
234         mdelay(10);
235 
236         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
237                         MXC_EHCI_INTERFACE_DIFF_UNI);
238 
239 h2_free_reset:
240         gpio_free(USBH2_RESET);
241 h2_free_cs:
242         gpio_free(USBH2_CS);
243         return err;
244 }
245 
246 static struct mxc_usbh_platform_data usbotg_pdata __initdata = {
247         .init   = usbotg_init,
248         .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
249 };
250 
251 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
252         .init   = usbh2_init,
253         .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
254 };
255 
256 /* RTC over I2C*/
257 #define ARMADILLO5X0_RTC_GPIO   IOMUX_TO_GPIO(MX31_PIN_SRXD4)
258 
259 static struct i2c_board_info armadillo5x0_i2c_rtc = {
260         I2C_BOARD_INFO("s35390a", 0x30),
261 };
262 
263 /* GPIO BUTTONS */
264 static struct gpio_keys_button armadillo5x0_buttons[] = {
265         {
266                 .code           = KEY_ENTER, /*28*/
267                 .gpio           = IOMUX_TO_GPIO(MX31_PIN_SCLK0),
268                 .active_low     = 1,
269                 .desc           = "menu",
270                 .wakeup         = 1,
271         }, {
272                 .code           = KEY_BACK, /*158*/
273                 .gpio           = IOMUX_TO_GPIO(MX31_PIN_SRST0),
274                 .active_low     = 1,
275                 .desc           = "back",
276                 .wakeup         = 1,
277         }
278 };
279 
280 static const struct gpio_keys_platform_data
281                 armadillo5x0_button_data __initconst = {
282         .buttons        = armadillo5x0_buttons,
283         .nbuttons       = ARRAY_SIZE(armadillo5x0_buttons),
284 };
285 
286 /*
287  * NAND Flash
288  */
289 static const struct mxc_nand_platform_data
290 armadillo5x0_nand_board_info __initconst = {
291         .width          = 1,
292         .hw_ecc         = 1,
293 };
294 
295 /*
296  * MTD NOR Flash
297  */
298 static struct mtd_partition armadillo5x0_nor_flash_partitions[] = {
299         {
300                 .name           = "nor.bootloader",
301                 .offset         = 0x00000000,
302                 .size           = 4*32*1024,
303         }, {
304                 .name           = "nor.kernel",
305                 .offset         = MTDPART_OFS_APPEND,
306                 .size           = 16*128*1024,
307         }, {
308                 .name           = "nor.userland",
309                 .offset         = MTDPART_OFS_APPEND,
310                 .size           = 110*128*1024,
311         }, {
312                 .name           = "nor.config",
313                 .offset         = MTDPART_OFS_APPEND,
314                 .size           = 1*128*1024,
315         },
316 };
317 
318 static const struct physmap_flash_data
319                 armadillo5x0_nor_flash_pdata __initconst = {
320         .width          = 2,
321         .parts          = armadillo5x0_nor_flash_partitions,
322         .nr_parts       = ARRAY_SIZE(armadillo5x0_nor_flash_partitions),
323 };
324 
325 static const struct resource armadillo5x0_nor_flash_resource __initconst = {
326         .flags          = IORESOURCE_MEM,
327         .start          = MX31_CS0_BASE_ADDR,
328         .end            = MX31_CS0_BASE_ADDR + SZ_64M - 1,
329 };
330 
331 /*
332  * FB support
333  */
334 static const struct fb_videomode fb_modedb[] = {
335         {       /* 640x480 @ 60 Hz */
336                 .name           = "CRT-VGA",
337                 .refresh        = 60,
338                 .xres           = 640,
339                 .yres           = 480,
340                 .pixclock       = 39721,
341                 .left_margin    = 35,
342                 .right_margin   = 115,
343                 .upper_margin   = 43,
344                 .lower_margin   = 1,
345                 .hsync_len      = 10,
346                 .vsync_len      = 1,
347                 .sync           = FB_SYNC_OE_ACT_HIGH,
348                 .vmode          = FB_VMODE_NONINTERLACED,
349                 .flag           = 0,
350         }, {/* 800x600 @ 56 Hz */
351                 .name           = "CRT-SVGA",
352                 .refresh        = 56,
353                 .xres           = 800,
354                 .yres           = 600,
355                 .pixclock       = 30000,
356                 .left_margin    = 30,
357                 .right_margin   = 108,
358                 .upper_margin   = 13,
359                 .lower_margin   = 10,
360                 .hsync_len      = 10,
361                 .vsync_len      = 1,
362                 .sync           = FB_SYNC_OE_ACT_HIGH | FB_SYNC_HOR_HIGH_ACT |
363                                   FB_SYNC_VERT_HIGH_ACT,
364                 .vmode          = FB_VMODE_NONINTERLACED,
365                 .flag           = 0,
366         },
367 };
368 
369 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
370         .name           = "CRT-VGA",
371         .mode           = fb_modedb,
372         .num_modes      = ARRAY_SIZE(fb_modedb),
373 };
374 
375 /*
376  * SDHC 1
377  * MMC support
378  */
379 static int armadillo5x0_sdhc1_get_ro(struct device *dev)
380 {
381         return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B));
382 }
383 
384 static int armadillo5x0_sdhc1_init(struct device *dev,
385                                    irq_handler_t detect_irq, void *data)
386 {
387         int ret;
388         int gpio_det, gpio_wp;
389 
390         gpio_det = IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK);
391         gpio_wp = IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B);
392 
393         ret = gpio_request(gpio_det, "sdhc-card-detect");
394         if (ret)
395                 return ret;
396 
397         gpio_direction_input(gpio_det);
398 
399         ret = gpio_request(gpio_wp, "sdhc-write-protect");
400         if (ret)
401                 goto err_gpio_free;
402 
403         gpio_direction_input(gpio_wp);
404 
405         /* When supported the trigger type have to be BOTH */
406         ret = request_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK)),
407                           detect_irq,
408                           IRQF_DISABLED | IRQF_TRIGGER_FALLING,
409                           "sdhc-detect", data);
410 
411         if (ret)
412                 goto err_gpio_free_2;
413 
414         return 0;
415 
416 err_gpio_free_2:
417         gpio_free(gpio_wp);
418 
419 err_gpio_free:
420         gpio_free(gpio_det);
421 
422         return ret;
423 
424 }
425 
426 static void armadillo5x0_sdhc1_exit(struct device *dev, void *data)
427 {
428         free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK)), data);
429         gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK));
430         gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B));
431 }
432 
433 static const struct imxmmc_platform_data sdhc_pdata __initconst = {
434         .get_ro = armadillo5x0_sdhc1_get_ro,
435         .init = armadillo5x0_sdhc1_init,
436         .exit = armadillo5x0_sdhc1_exit,
437 };
438 
439 /*
440  * SMSC 9118
441  * Network support
442  */
443 static struct resource armadillo5x0_smc911x_resources[] = {
444         {
445                 .start  = MX31_CS3_BASE_ADDR,
446                 .end    = MX31_CS3_BASE_ADDR + SZ_32M - 1,
447                 .flags  = IORESOURCE_MEM,
448         }, {
449                 /* irq number is run-time assigned */
450                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
451         },
452 };
453 
454 static struct smsc911x_platform_config smsc911x_info = {
455         .flags          = SMSC911X_USE_16BIT,
456         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
457         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
458 };
459 
460 static struct platform_device armadillo5x0_smc911x_device = {
461         .name           = "smsc911x",
462         .id             = -1,
463         .num_resources  = ARRAY_SIZE(armadillo5x0_smc911x_resources),
464         .resource       = armadillo5x0_smc911x_resources,
465         .dev            = {
466                 .platform_data = &smsc911x_info,
467         },
468 };
469 
470 /* UART device data */
471 static const struct imxuart_platform_data uart_pdata __initconst = {
472         .flags = IMXUART_HAVE_RTSCTS,
473 };
474 
475 static struct platform_device *devices[] __initdata = {
476         &armadillo5x0_smc911x_device,
477 };
478 
479 static struct regulator_consumer_supply dummy_supplies[] = {
480         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
481         REGULATOR_SUPPLY("vddvario", "smsc911x"),
482 };
483 
484 /*
485  * Perform board specific initializations
486  */
487 static void __init armadillo5x0_init(void)
488 {
489         imx31_soc_init();
490 
491         mxc_iomux_setup_multiple_pins(armadillo5x0_pins,
492                         ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0");
493 
494         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
495 
496         armadillo5x0_smc911x_resources[1].start =
497                         gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0));
498         armadillo5x0_smc911x_resources[1].end =
499                         gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0));
500         platform_add_devices(devices, ARRAY_SIZE(devices));
501         imx_add_gpio_keys(&armadillo5x0_button_data);
502         imx31_add_imx_i2c1(NULL);
503 
504         /* Register UART */
505         imx31_add_imx_uart0(&uart_pdata);
506         imx31_add_imx_uart1(&uart_pdata);
507 
508         /* SMSC9118 IRQ pin */
509         gpio_direction_input(MX31_PIN_GPIO1_0);
510 
511         /* Register SDHC */
512         imx31_add_mxc_mmc(0, &sdhc_pdata);
513 
514         /* Register FB */
515         imx31_add_ipu_core();
516         imx31_add_mx3_sdc_fb(&mx3fb_pdata);
517 
518         /* Register NOR Flash */
519         platform_device_register_resndata(NULL, "physmap-flash", -1,
520                         &armadillo5x0_nor_flash_resource, 1,
521                         &armadillo5x0_nor_flash_pdata,
522                         sizeof(armadillo5x0_nor_flash_pdata));
523 
524         /* Register NAND Flash */
525         imx31_add_mxc_nand(&armadillo5x0_nand_board_info);
526 
527         /* set NAND page size to 2k if not configured via boot mode pins */
528         __raw_writel(__raw_readl(mx3_ccm_base + MXC_CCM_RCSR) |
529                                         (1 << 30), mx3_ccm_base + MXC_CCM_RCSR);
530 
531         /* RTC */
532         /* Get RTC IRQ and register the chip */
533         if (gpio_request(ARMADILLO5X0_RTC_GPIO, "rtc") == 0) {
534                 if (gpio_direction_input(ARMADILLO5X0_RTC_GPIO) == 0)
535                         armadillo5x0_i2c_rtc.irq = gpio_to_irq(ARMADILLO5X0_RTC_GPIO);
536                 else
537                         gpio_free(ARMADILLO5X0_RTC_GPIO);
538         }
539         if (armadillo5x0_i2c_rtc.irq == 0)
540                 pr_warning("armadillo5x0_init: failed to get RTC IRQ\n");
541         i2c_register_board_info(1, &armadillo5x0_i2c_rtc, 1);
542 
543         /* USB */
544 
545         usbotg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
546                         ULPI_OTG_DRVVBUS_EXT);
547         if (usbotg_pdata.otg)
548                 imx31_add_mxc_ehci_otg(&usbotg_pdata);
549         usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
550                         ULPI_OTG_DRVVBUS_EXT);
551         if (usbh2_pdata.otg)
552                 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
553 }
554 
555 static void __init armadillo5x0_timer_init(void)
556 {
557         mx31_clocks_init(26000000);
558 }
559 
560 MACHINE_START(ARMADILLO5X0, "Armadillo-500")
561         /* Maintainer: Alberto Panizzo  */
562         .atag_offset = 0x100,
563         .map_io = mx31_map_io,
564         .init_early = imx31_init_early,
565         .init_irq = mx31_init_irq,
566         .handle_irq = imx31_handle_irq,
567         .init_time      = armadillo5x0_timer_init,
568         .init_machine = armadillo5x0_init,
569         .restart        = mxc_restart,
570 MACHINE_END
571 

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