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/ipu.h>
53 #include <mach/mx3fb.h>
54 #include <mach/ulpi.h>
55
56 #include "devices-imx31.h"
57 #include "devices.h"
58 #include "crm_regs.h"
59
60 static int armadillo5x0_pins[] = {
61 /* UART1 */
62 MX31_PIN_CTS1__CTS1,
63 MX31_PIN_RTS1__RTS1,
64 MX31_PIN_TXD1__TXD1,
65 MX31_PIN_RXD1__RXD1,
66 /* UART2 */
67 MX31_PIN_CTS2__CTS2,
68 MX31_PIN_RTS2__RTS2,
69 MX31_PIN_TXD2__TXD2,
70 MX31_PIN_RXD2__RXD2,
71 /* LAN9118_IRQ */
72 IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO),
73 /* SDHC1 */
74 MX31_PIN_SD1_DATA3__SD1_DATA3,
75 MX31_PIN_SD1_DATA2__SD1_DATA2,
76 MX31_PIN_SD1_DATA1__SD1_DATA1,
77 MX31_PIN_SD1_DATA0__SD1_DATA0,
78 MX31_PIN_SD1_CLK__SD1_CLK,
79 MX31_PIN_SD1_CMD__SD1_CMD,
80 /* Framebuffer */
81 MX31_PIN_LD0__LD0,
82 MX31_PIN_LD1__LD1,
83 MX31_PIN_LD2__LD2,
84 MX31_PIN_LD3__LD3,
85 MX31_PIN_LD4__LD4,
86 MX31_PIN_LD5__LD5,
87 MX31_PIN_LD6__LD6,
88 MX31_PIN_LD7__LD7,
89 MX31_PIN_LD8__LD8,
90 MX31_PIN_LD9__LD9,
91 MX31_PIN_LD10__LD10,
92 MX31_PIN_LD11__LD11,
93 MX31_PIN_LD12__LD12,
94 MX31_PIN_LD13__LD13,
95 MX31_PIN_LD14__LD14,
96 MX31_PIN_LD15__LD15,
97 MX31_PIN_LD16__LD16,
98 MX31_PIN_LD17__LD17,
99 MX31_PIN_VSYNC3__VSYNC3,
100 MX31_PIN_HSYNC__HSYNC,
101 MX31_PIN_FPSHIFT__FPSHIFT,
102 MX31_PIN_DRDY0__DRDY0,
103 IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/
104 /* I2C2 */
105 MX31_PIN_CSPI2_MOSI__SCL,
106 MX31_PIN_CSPI2_MISO__SDA,
107 /* OTG */
108 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
109 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
110 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
111 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
112 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
113 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
114 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
115 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
116 MX31_PIN_USBOTG_CLK__USBOTG_CLK,
117 MX31_PIN_USBOTG_DIR__USBOTG_DIR,
118 MX31_PIN_USBOTG_NXT__USBOTG_NXT,
119 MX31_PIN_USBOTG_STP__USBOTG_STP,
120 /* USB host 2 */
121 IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
122 IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
123 IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
124 IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
125 IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
126 IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
127 IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
128 IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
129 IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
130 IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
131 IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
132 IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
133 };
134
135 /* USB */
136
137 #define OTG_RESET IOMUX_TO_GPIO(MX31_PIN_STXD4)
138 #define USBH2_RESET IOMUX_TO_GPIO(MX31_PIN_SCK6)
139 #define USBH2_CS IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)
140
141 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
142 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
143
usbotg_init(struct platform_device * pdev)144 static int usbotg_init(struct platform_device *pdev)
145 {
146 int err;
147
148 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
149 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
150 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
151 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
152 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
153 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
154 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
155 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
156 mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
157 mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
158 mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
159 mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
160
161 /* Chip already enabled by hardware */
162 /* OTG phy reset*/
163 err = gpio_request(OTG_RESET, "USB-OTG-RESET");
164 if (err) {
165 pr_err("Failed to request the usb otg reset gpio\n");
166 return err;
167 }
168
169 err = gpio_direction_output(OTG_RESET, 1/*HIGH*/);
170 if (err) {
171 pr_err("Failed to reset the usb otg phy\n");
172 goto otg_free_reset;
173 }
174
175 gpio_set_value(OTG_RESET, 0/*LOW*/);
176 mdelay(5);
177 gpio_set_value(OTG_RESET, 1/*HIGH*/);
178 mdelay(10);
179
180 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
181 MXC_EHCI_INTERFACE_DIFF_UNI);
182
183 otg_free_reset:
184 gpio_free(OTG_RESET);
185 return err;
186 }
187
usbh2_init(struct platform_device * pdev)188 static int usbh2_init(struct platform_device *pdev)
189 {
190 int err;
191
192 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
193 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
194 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
195 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
196 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
197 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
198 mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
199 mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
200 mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
201 mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
202 mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
203 mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
204
205 mxc_iomux_set_gpr(MUX_PGP_UH2, true);
206
207
208 /* Enable the chip */
209 err = gpio_request(USBH2_CS, "USB-H2-CS");
210 if (err) {
211 pr_err("Failed to request the usb host 2 CS gpio\n");
212 return err;
213 }
214
215 err = gpio_direction_output(USBH2_CS, 0/*Enabled*/);
216 if (err) {
217 pr_err("Failed to drive the usb host 2 CS gpio\n");
218 goto h2_free_cs;
219 }
220
221 /* H2 phy reset*/
222 err = gpio_request(USBH2_RESET, "USB-H2-RESET");
223 if (err) {
224 pr_err("Failed to request the usb host 2 reset gpio\n");
225 goto h2_free_cs;
226 }
227
228 err = gpio_direction_output(USBH2_RESET, 1/*HIGH*/);
229 if (err) {
230 pr_err("Failed to reset the usb host 2 phy\n");
231 goto h2_free_reset;
232 }
233
234 gpio_set_value(USBH2_RESET, 0/*LOW*/);
235 mdelay(5);
236 gpio_set_value(USBH2_RESET, 1/*HIGH*/);
237 mdelay(10);
238
239 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
240 MXC_EHCI_INTERFACE_DIFF_UNI);
241
242 h2_free_reset:
243 gpio_free(USBH2_RESET);
244 h2_free_cs:
245 gpio_free(USBH2_CS);
246 return err;
247 }
248
249 static struct mxc_usbh_platform_data usbotg_pdata __initdata = {
250 .init = usbotg_init,
251 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
252 };
253
254 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
255 .init = usbh2_init,
256 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
257 };
258
259 /* RTC over I2C*/
260 #define ARMADILLO5X0_RTC_GPIO IOMUX_TO_GPIO(MX31_PIN_SRXD4)
261
262 static struct i2c_board_info armadillo5x0_i2c_rtc = {
263 I2C_BOARD_INFO("s35390a", 0x30),
264 };
265
266 /* GPIO BUTTONS */
267 static struct gpio_keys_button armadillo5x0_buttons[] = {
268 {
269 .code = KEY_ENTER, /*28*/
270 .gpio = IOMUX_TO_GPIO(MX31_PIN_SCLK0),
271 .active_low = 1,
272 .desc = "menu",
273 .wakeup = 1,
274 }, {
275 .code = KEY_BACK, /*158*/
276 .gpio = IOMUX_TO_GPIO(MX31_PIN_SRST0),
277 .active_low = 1,
278 .desc = "back",
279 .wakeup = 1,
280 }
281 };
282
283 static struct gpio_keys_platform_data armadillo5x0_button_data = {
284 .buttons = armadillo5x0_buttons,
285 .nbuttons = ARRAY_SIZE(armadillo5x0_buttons),
286 };
287
288 static struct platform_device armadillo5x0_button_device = {
289 .name = "gpio-keys",
290 .id = -1,
291 .num_resources = 0,
292 .dev = {
293 .platform_data = &armadillo5x0_button_data,
294 }
295 };
296
297 /*
298 * NAND Flash
299 */
300 static const struct mxc_nand_platform_data
301 armadillo5x0_nand_board_info __initconst = {
302 .width = 1,
303 .hw_ecc = 1,
304 };
305
306 /*
307 * MTD NOR Flash
308 */
309 static struct mtd_partition armadillo5x0_nor_flash_partitions[] = {
310 {
311 .name = "nor.bootloader",
312 .offset = 0x00000000,
313 .size = 4*32*1024,
314 }, {
315 .name = "nor.kernel",
316 .offset = MTDPART_OFS_APPEND,
317 .size = 16*128*1024,
318 }, {
319 .name = "nor.userland",
320 .offset = MTDPART_OFS_APPEND,
321 .size = 110*128*1024,
322 }, {
323 .name = "nor.config",
324 .offset = MTDPART_OFS_APPEND,
325 .size = 1*128*1024,
326 },
327 };
328
329 static struct physmap_flash_data armadillo5x0_nor_flash_pdata = {
330 .width = 2,
331 .parts = armadillo5x0_nor_flash_partitions,
332 .nr_parts = ARRAY_SIZE(armadillo5x0_nor_flash_partitions),
333 };
334
335 static struct resource armadillo5x0_nor_flash_resource = {
336 .flags = IORESOURCE_MEM,
337 .start = MX31_CS0_BASE_ADDR,
338 .end = MX31_CS0_BASE_ADDR + SZ_64M - 1,
339 };
340
341 static struct platform_device armadillo5x0_nor_flash = {
342 .name = "physmap-flash",
343 .id = -1,
344 .num_resources = 1,
345 .resource = &armadillo5x0_nor_flash_resource,
346 };
347
348 /*
349 * FB support
350 */
351 static const struct fb_videomode fb_modedb[] = {
352 { /* 640x480 @ 60 Hz */
353 .name = "CRT-VGA",
354 .refresh = 60,
355 .xres = 640,
356 .yres = 480,
357 .pixclock = 39721,
358 .left_margin = 35,
359 .right_margin = 115,
360 .upper_margin = 43,
361 .lower_margin = 1,
362 .hsync_len = 10,
363 .vsync_len = 1,
364 .sync = FB_SYNC_OE_ACT_HIGH,
365 .vmode = FB_VMODE_NONINTERLACED,
366 .flag = 0,
367 }, {/* 800x600 @ 56 Hz */
368 .name = "CRT-SVGA",
369 .refresh = 56,
370 .xres = 800,
371 .yres = 600,
372 .pixclock = 30000,
373 .left_margin = 30,
374 .right_margin = 108,
375 .upper_margin = 13,
376 .lower_margin = 10,
377 .hsync_len = 10,
378 .vsync_len = 1,
379 .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_HOR_HIGH_ACT |
380 FB_SYNC_VERT_HIGH_ACT,
381 .vmode = FB_VMODE_NONINTERLACED,
382 .flag = 0,
383 },
384 };
385
386 static struct ipu_platform_data mx3_ipu_data = {
387 .irq_base = MXC_IPU_IRQ_START,
388 };
389
390 static struct mx3fb_platform_data mx3fb_pdata = {
391 .dma_dev = &mx3_ipu.dev,
392 .name = "CRT-VGA",
393 .mode = fb_modedb,
394 .num_modes = ARRAY_SIZE(fb_modedb),
395 };
396
397 /*
398 * SDHC 1
399 * MMC support
400 */
armadillo5x0_sdhc1_get_ro(struct device * dev)401 static int armadillo5x0_sdhc1_get_ro(struct device *dev)
402 {
403 return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B));
404 }
405
armadillo5x0_sdhc1_init(struct device * dev,irq_handler_t detect_irq,void * data)406 static int armadillo5x0_sdhc1_init(struct device *dev,
407 irq_handler_t detect_irq, void *data)
408 {
409 int ret;
410 int gpio_det, gpio_wp;
411
412 gpio_det = IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK);
413 gpio_wp = IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B);
414
415 ret = gpio_request(gpio_det, "sdhc-card-detect");
416 if (ret)
417 return ret;
418
419 gpio_direction_input(gpio_det);
420
421 ret = gpio_request(gpio_wp, "sdhc-write-protect");
422 if (ret)
423 goto err_gpio_free;
424
425 gpio_direction_input(gpio_wp);
426
427 /* When supported the trigger type have to be BOTH */
428 ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), detect_irq,
429 IRQF_DISABLED | IRQF_TRIGGER_FALLING,
430 "sdhc-detect", data);
431
432 if (ret)
433 goto err_gpio_free_2;
434
435 return 0;
436
437 err_gpio_free_2:
438 gpio_free(gpio_wp);
439
440 err_gpio_free:
441 gpio_free(gpio_det);
442
443 return ret;
444
445 }
446
armadillo5x0_sdhc1_exit(struct device * dev,void * data)447 static void armadillo5x0_sdhc1_exit(struct device *dev, void *data)
448 {
449 free_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), data);
450 gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK));
451 gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B));
452 }
453
454 static const struct imxmmc_platform_data sdhc_pdata __initconst = {
455 .get_ro = armadillo5x0_sdhc1_get_ro,
456 .init = armadillo5x0_sdhc1_init,
457 .exit = armadillo5x0_sdhc1_exit,
458 };
459
460 /*
461 * SMSC 9118
462 * Network support
463 */
464 static struct resource armadillo5x0_smc911x_resources[] = {
465 {
466 .start = MX31_CS3_BASE_ADDR,
467 .end = MX31_CS3_BASE_ADDR + SZ_32M - 1,
468 .flags = IORESOURCE_MEM,
469 }, {
470 .start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
471 .end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
472 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
473 },
474 };
475
476 static struct smsc911x_platform_config smsc911x_info = {
477 .flags = SMSC911X_USE_16BIT,
478 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
479 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
480 };
481
482 static struct platform_device armadillo5x0_smc911x_device = {
483 .name = "smsc911x",
484 .id = -1,
485 .num_resources = ARRAY_SIZE(armadillo5x0_smc911x_resources),
486 .resource = armadillo5x0_smc911x_resources,
487 .dev = {
488 .platform_data = &smsc911x_info,
489 },
490 };
491
492 /* UART device data */
493 static const struct imxuart_platform_data uart_pdata __initconst = {
494 .flags = IMXUART_HAVE_RTSCTS,
495 };
496
497 static struct platform_device *devices[] __initdata = {
498 &armadillo5x0_smc911x_device,
499 &armadillo5x0_button_device,
500 };
501
502 /*
503 * Perform board specific initializations
504 */
armadillo5x0_init(void)505 static void __init armadillo5x0_init(void)
506 {
507 mxc_iomux_setup_multiple_pins(armadillo5x0_pins,
508 ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0");
509
510 platform_add_devices(devices, ARRAY_SIZE(devices));
511 imx31_add_imx_i2c1(NULL);
512
513 /* Register UART */
514 imx31_add_imx_uart0(&uart_pdata);
515 imx31_add_imx_uart1(&uart_pdata);
516
517 /* SMSC9118 IRQ pin */
518 gpio_direction_input(MX31_PIN_GPIO1_0);
519
520 /* Register SDHC */
521 imx31_add_mxc_mmc(0, &sdhc_pdata);
522
523 /* Register FB */
524 mxc_register_device(&mx3_ipu, &mx3_ipu_data);
525 mxc_register_device(&mx3_fb, &mx3fb_pdata);
526
527 /* Register NOR Flash */
528 mxc_register_device(&armadillo5x0_nor_flash,
529 &armadillo5x0_nor_flash_pdata);
530
531 /* Register NAND Flash */
532 imx31_add_mxc_nand(&armadillo5x0_nand_board_info);
533
534 /* set NAND page size to 2k if not configured via boot mode pins */
535 __raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR);
536
537 /* RTC */
538 /* Get RTC IRQ and register the chip */
539 if (gpio_request(ARMADILLO5X0_RTC_GPIO, "rtc") == 0) {
540 if (gpio_direction_input(ARMADILLO5X0_RTC_GPIO) == 0)
541 armadillo5x0_i2c_rtc.irq = gpio_to_irq(ARMADILLO5X0_RTC_GPIO);
542 else
543 gpio_free(ARMADILLO5X0_RTC_GPIO);
544 }
545 if (armadillo5x0_i2c_rtc.irq == 0)
546 pr_warning("armadillo5x0_init: failed to get RTC IRQ\n");
547 i2c_register_board_info(1, &armadillo5x0_i2c_rtc, 1);
548
549 /* USB */
550
551 usbotg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
552 ULPI_OTG_DRVVBUS_EXT);
553 if (usbotg_pdata.otg)
554 imx31_add_mxc_ehci_otg(&usbotg_pdata);
555 usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
556 ULPI_OTG_DRVVBUS_EXT);
557 if (usbh2_pdata.otg)
558 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
559 }
560
armadillo5x0_timer_init(void)561 static void __init armadillo5x0_timer_init(void)
562 {
563 mx31_clocks_init(26000000);
564 }
565
566 static struct sys_timer armadillo5x0_timer = {
567 .init = armadillo5x0_timer_init,
568 };
569
570 MACHINE_START(ARMADILLO5X0, "Armadillo-500")
571 /* Maintainer: Alberto Panizzo */
572 .boot_params = MX3x_PHYS_OFFSET + 0x100,
573 .map_io = mx31_map_io,
574 .init_early = imx31_init_early,
575 .init_irq = mx31_init_irq,
576 .timer = &armadillo5x0_timer,
577 .init_machine = armadillo5x0_init,
578 MACHINE_END
579