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52c543f9 QJ |
1 | /* |
2 | * Copyright (C) 2000 Deep Blue Solutions Ltd | |
3 | * Copyright (C) 2002 Shane Nay (shane@minirl.com) | |
4 | * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | #include <linux/types.h> | |
22 | #include <linux/init.h> | |
23 | #include <linux/clk.h> | |
24 | #include <linux/serial_8250.h> | |
fe7316bf MB |
25 | #include <linux/gpio.h> |
26 | #include <linux/i2c.h> | |
d7568f79 | 27 | #include <linux/irq.h> |
52c543f9 | 28 | |
a09e64fb | 29 | #include <mach/hardware.h> |
52c543f9 QJ |
30 | #include <asm/mach-types.h> |
31 | #include <asm/mach/arch.h> | |
d0f349fb | 32 | #include <asm/mach/time.h> |
52c543f9 QJ |
33 | #include <asm/memory.h> |
34 | #include <asm/mach/map.h> | |
a09e64fb RK |
35 | #include <mach/common.h> |
36 | #include <mach/board-mx31ads.h> | |
0741794c GC |
37 | #include <mach/imx-uart.h> |
38 | #include <mach/iomux-mx3.h> | |
52c543f9 | 39 | |
fe7316bf MB |
40 | #ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 |
41 | #include <linux/mfd/wm8350/audio.h> | |
42 | #include <linux/mfd/wm8350/core.h> | |
43 | #include <linux/mfd/wm8350/pmic.h> | |
44 | #endif | |
45 | ||
2eca047b SH |
46 | #include "devices.h" |
47 | ||
52c543f9 QJ |
48 | /*! |
49 | * @file mx31ads.c | |
50 | * | |
51 | * @brief This file contains the board-specific initialization routines. | |
52 | * | |
53 | * @ingroup System | |
54 | */ | |
55 | ||
56 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | |
57 | /*! | |
58 | * The serial port definition structure. | |
59 | */ | |
60 | static struct plat_serial8250_port serial_platform_data[] = { | |
61 | { | |
62 | .membase = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTA), | |
63 | .mapbase = (unsigned long)(CS4_BASE_ADDR + PBC_SC16C652_UARTA), | |
64 | .irq = EXPIO_INT_XUART_INTA, | |
65 | .uartclk = 14745600, | |
66 | .regshift = 0, | |
67 | .iotype = UPIO_MEM, | |
68 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ, | |
69 | }, { | |
70 | .membase = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTB), | |
71 | .mapbase = (unsigned long)(CS4_BASE_ADDR + PBC_SC16C652_UARTB), | |
72 | .irq = EXPIO_INT_XUART_INTB, | |
73 | .uartclk = 14745600, | |
74 | .regshift = 0, | |
75 | .iotype = UPIO_MEM, | |
76 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ, | |
77 | }, | |
78 | {}, | |
79 | }; | |
80 | ||
81 | static struct platform_device serial_device = { | |
82 | .name = "serial8250", | |
83 | .id = 0, | |
84 | .dev = { | |
85 | .platform_data = serial_platform_data, | |
86 | }, | |
87 | }; | |
88 | ||
89 | static int __init mxc_init_extuart(void) | |
90 | { | |
91 | return platform_device_register(&serial_device); | |
92 | } | |
93 | #else | |
94 | static inline int mxc_init_extuart(void) | |
95 | { | |
96 | return 0; | |
97 | } | |
98 | #endif | |
99 | ||
0741794c GC |
100 | #if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE) |
101 | static struct imxuart_platform_data uart_pdata = { | |
102 | .flags = IMXUART_HAVE_RTSCTS, | |
103 | }; | |
104 | ||
9070e7af | 105 | static unsigned int uart_pins[] = { |
945c10b8 VL |
106 | MX31_PIN_CTS1__CTS1, |
107 | MX31_PIN_RTS1__RTS1, | |
108 | MX31_PIN_TXD1__TXD1, | |
109 | MX31_PIN_RXD1__RXD1 | |
110 | }; | |
111 | ||
0741794c GC |
112 | static inline void mxc_init_imx_uart(void) |
113 | { | |
945c10b8 | 114 | mxc_iomux_setup_multiple_pins(uart_pins, ARRAY_SIZE(uart_pins), "uart-0"); |
0741794c GC |
115 | mxc_register_device(&mxc_uart_device0, &uart_pdata); |
116 | } | |
117 | #else /* !SERIAL_IMX */ | |
118 | static inline void mxc_init_imx_uart(void) | |
119 | { | |
120 | } | |
121 | #endif /* !SERIAL_IMX */ | |
122 | ||
d7568f79 GC |
123 | static void mx31ads_expio_irq_handler(u32 irq, struct irq_desc *desc) |
124 | { | |
125 | u32 imr_val; | |
126 | u32 int_valid; | |
127 | u32 expio_irq; | |
128 | ||
129 | imr_val = __raw_readw(PBC_INTMASK_SET_REG); | |
130 | int_valid = __raw_readw(PBC_INTSTATUS_REG) & imr_val; | |
131 | ||
132 | expio_irq = MXC_EXP_IO_BASE; | |
133 | for (; int_valid != 0; int_valid >>= 1, expio_irq++) { | |
134 | if ((int_valid & 1) == 0) | |
135 | continue; | |
136 | ||
137 | generic_handle_irq(expio_irq); | |
138 | } | |
139 | } | |
140 | ||
141 | /* | |
142 | * Disable an expio pin's interrupt by setting the bit in the imr. | |
143 | * @param irq an expio virtual irq number | |
144 | */ | |
145 | static void expio_mask_irq(u32 irq) | |
146 | { | |
147 | u32 expio = MXC_IRQ_TO_EXPIO(irq); | |
148 | /* mask the interrupt */ | |
149 | __raw_writew(1 << expio, PBC_INTMASK_CLEAR_REG); | |
150 | __raw_readw(PBC_INTMASK_CLEAR_REG); | |
151 | } | |
152 | ||
153 | /* | |
154 | * Acknowledge an expanded io pin's interrupt by clearing the bit in the isr. | |
155 | * @param irq an expanded io virtual irq number | |
156 | */ | |
157 | static void expio_ack_irq(u32 irq) | |
158 | { | |
159 | u32 expio = MXC_IRQ_TO_EXPIO(irq); | |
160 | /* clear the interrupt status */ | |
161 | __raw_writew(1 << expio, PBC_INTSTATUS_REG); | |
162 | } | |
163 | ||
164 | /* | |
165 | * Enable a expio pin's interrupt by clearing the bit in the imr. | |
166 | * @param irq a expio virtual irq number | |
167 | */ | |
168 | static void expio_unmask_irq(u32 irq) | |
169 | { | |
170 | u32 expio = MXC_IRQ_TO_EXPIO(irq); | |
171 | /* unmask the interrupt */ | |
172 | __raw_writew(1 << expio, PBC_INTMASK_SET_REG); | |
173 | } | |
174 | ||
175 | static struct irq_chip expio_irq_chip = { | |
bd02acdb | 176 | .name = "EXPIO(CPLD)", |
d7568f79 GC |
177 | .ack = expio_ack_irq, |
178 | .mask = expio_mask_irq, | |
179 | .unmask = expio_unmask_irq, | |
180 | }; | |
181 | ||
182 | static void __init mx31ads_init_expio(void) | |
183 | { | |
184 | int i; | |
185 | ||
186 | printk(KERN_INFO "MX31ADS EXPIO(CPLD) hardware\n"); | |
187 | ||
188 | /* | |
189 | * Configure INT line as GPIO input | |
190 | */ | |
4f163eb8 | 191 | mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO), "expio"); |
d7568f79 GC |
192 | |
193 | /* disable the interrupt and clear the status */ | |
194 | __raw_writew(0xFFFF, PBC_INTMASK_CLEAR_REG); | |
195 | __raw_writew(0xFFFF, PBC_INTSTATUS_REG); | |
196 | for (i = MXC_EXP_IO_BASE; i < (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES); | |
197 | i++) { | |
198 | set_irq_chip(i, &expio_irq_chip); | |
199 | set_irq_handler(i, handle_level_irq); | |
200 | set_irq_flags(i, IRQF_VALID); | |
201 | } | |
202 | set_irq_type(EXPIO_PARENT_INT, IRQ_TYPE_LEVEL_HIGH); | |
203 | set_irq_chained_handler(EXPIO_PARENT_INT, mx31ads_expio_irq_handler); | |
204 | } | |
205 | ||
fe7316bf MB |
206 | #ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 |
207 | /* This section defines setup for the Wolfson Microelectronics | |
208 | * 1133-EV1 PMU/audio board. When other PMU boards are supported the | |
209 | * regulator definitions may be shared with them, but for now they can | |
210 | * only be used with this board so would generate warnings about | |
211 | * unused statics and some of the configuration is specific to this | |
212 | * module. | |
213 | */ | |
214 | ||
215 | /* CPU */ | |
216 | static struct regulator_consumer_supply sw1a_consumers[] = { | |
217 | { | |
218 | .supply = "cpu_vcc", | |
219 | } | |
220 | }; | |
221 | ||
222 | static struct regulator_init_data sw1a_data = { | |
223 | .constraints = { | |
224 | .name = "SW1A", | |
225 | .min_uV = 1275000, | |
226 | .max_uV = 1600000, | |
227 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | |
228 | REGULATOR_CHANGE_MODE, | |
229 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | |
230 | REGULATOR_MODE_FAST, | |
231 | .state_mem = { | |
232 | .uV = 1400000, | |
233 | .mode = REGULATOR_MODE_NORMAL, | |
234 | .enabled = 1, | |
235 | }, | |
236 | .initial_state = PM_SUSPEND_MEM, | |
237 | .always_on = 1, | |
238 | .boot_on = 1, | |
239 | }, | |
240 | .num_consumer_supplies = ARRAY_SIZE(sw1a_consumers), | |
241 | .consumer_supplies = sw1a_consumers, | |
242 | }; | |
243 | ||
244 | /* System IO - High */ | |
245 | static struct regulator_init_data viohi_data = { | |
246 | .constraints = { | |
247 | .name = "VIOHO", | |
248 | .min_uV = 2800000, | |
249 | .max_uV = 2800000, | |
250 | .state_mem = { | |
251 | .uV = 2800000, | |
252 | .mode = REGULATOR_MODE_NORMAL, | |
253 | .enabled = 1, | |
254 | }, | |
255 | .initial_state = PM_SUSPEND_MEM, | |
256 | .always_on = 1, | |
257 | .boot_on = 1, | |
258 | }, | |
259 | }; | |
260 | ||
261 | /* System IO - Low */ | |
262 | static struct regulator_init_data violo_data = { | |
263 | .constraints = { | |
264 | .name = "VIOLO", | |
265 | .min_uV = 1800000, | |
266 | .max_uV = 1800000, | |
267 | .state_mem = { | |
268 | .uV = 1800000, | |
269 | .mode = REGULATOR_MODE_NORMAL, | |
270 | .enabled = 1, | |
271 | }, | |
272 | .initial_state = PM_SUSPEND_MEM, | |
273 | .always_on = 1, | |
274 | .boot_on = 1, | |
275 | }, | |
276 | }; | |
277 | ||
278 | /* DDR RAM */ | |
279 | static struct regulator_init_data sw2a_data = { | |
280 | .constraints = { | |
281 | .name = "SW2A", | |
282 | .min_uV = 1800000, | |
283 | .max_uV = 1800000, | |
284 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
285 | .state_mem = { | |
286 | .uV = 1800000, | |
287 | .mode = REGULATOR_MODE_NORMAL, | |
288 | .enabled = 1, | |
289 | }, | |
290 | .state_disk = { | |
291 | .mode = REGULATOR_MODE_NORMAL, | |
292 | .enabled = 0, | |
293 | }, | |
294 | .always_on = 1, | |
295 | .boot_on = 1, | |
296 | .initial_state = PM_SUSPEND_MEM, | |
297 | }, | |
298 | }; | |
299 | ||
300 | static struct regulator_init_data ldo1_data = { | |
301 | .constraints = { | |
302 | .name = "VCAM/VMMC1/VMMC2", | |
303 | .min_uV = 2800000, | |
304 | .max_uV = 2800000, | |
305 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
9f0727f5 | 306 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, |
fe7316bf MB |
307 | .apply_uV = 1, |
308 | }, | |
309 | }; | |
310 | ||
311 | static struct regulator_consumer_supply ldo2_consumers[] = { | |
312 | { | |
313 | .supply = "AVDD", | |
314 | }, | |
315 | { | |
316 | .supply = "HPVDD", | |
317 | }, | |
318 | }; | |
319 | ||
320 | /* CODEC and SIM */ | |
321 | static struct regulator_init_data ldo2_data = { | |
322 | .constraints = { | |
323 | .name = "VESIM/VSIM/AVDD", | |
324 | .min_uV = 3300000, | |
325 | .max_uV = 3300000, | |
326 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
9f0727f5 | 327 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, |
fe7316bf MB |
328 | .apply_uV = 1, |
329 | }, | |
330 | .num_consumer_supplies = ARRAY_SIZE(ldo2_consumers), | |
331 | .consumer_supplies = ldo2_consumers, | |
332 | }; | |
333 | ||
334 | /* General */ | |
335 | static struct regulator_init_data vdig_data = { | |
336 | .constraints = { | |
337 | .name = "VDIG", | |
338 | .min_uV = 1500000, | |
339 | .max_uV = 1500000, | |
340 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
341 | .apply_uV = 1, | |
342 | .always_on = 1, | |
343 | .boot_on = 1, | |
344 | }, | |
345 | }; | |
346 | ||
347 | /* Tranceivers */ | |
348 | static struct regulator_init_data ldo4_data = { | |
349 | .constraints = { | |
350 | .name = "VRF1/CVDD_2.775", | |
351 | .min_uV = 2500000, | |
352 | .max_uV = 2500000, | |
353 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | |
354 | .apply_uV = 1, | |
355 | .always_on = 1, | |
356 | .boot_on = 1, | |
357 | }, | |
358 | }; | |
359 | ||
360 | static struct wm8350_led_platform_data wm8350_led_data = { | |
361 | .name = "wm8350:white", | |
362 | .default_trigger = "heartbeat", | |
363 | .max_uA = 27899, | |
364 | }; | |
365 | ||
366 | static struct wm8350_audio_platform_data imx32ads_wm8350_setup = { | |
367 | .vmid_discharge_msecs = 1000, | |
368 | .drain_msecs = 30, | |
369 | .cap_discharge_msecs = 700, | |
370 | .vmid_charge_msecs = 700, | |
371 | .vmid_s_curve = WM8350_S_CURVE_SLOW, | |
372 | .dis_out4 = WM8350_DISCHARGE_SLOW, | |
373 | .dis_out3 = WM8350_DISCHARGE_SLOW, | |
374 | .dis_out2 = WM8350_DISCHARGE_SLOW, | |
375 | .dis_out1 = WM8350_DISCHARGE_SLOW, | |
376 | .vroi_out4 = WM8350_TIE_OFF_500R, | |
377 | .vroi_out3 = WM8350_TIE_OFF_500R, | |
378 | .vroi_out2 = WM8350_TIE_OFF_500R, | |
379 | .vroi_out1 = WM8350_TIE_OFF_500R, | |
380 | .vroi_enable = 0, | |
381 | .codec_current_on = WM8350_CODEC_ISEL_1_0, | |
382 | .codec_current_standby = WM8350_CODEC_ISEL_0_5, | |
383 | .codec_current_charge = WM8350_CODEC_ISEL_1_5, | |
384 | }; | |
385 | ||
386 | static int mx31_wm8350_init(struct wm8350 *wm8350) | |
387 | { | |
388 | int i; | |
389 | ||
390 | wm8350_gpio_config(wm8350, 0, WM8350_GPIO_DIR_IN, | |
391 | WM8350_GPIO0_PWR_ON_IN, WM8350_GPIO_ACTIVE_LOW, | |
392 | WM8350_GPIO_PULL_UP, WM8350_GPIO_INVERT_OFF, | |
393 | WM8350_GPIO_DEBOUNCE_ON); | |
394 | ||
395 | wm8350_gpio_config(wm8350, 3, WM8350_GPIO_DIR_IN, | |
396 | WM8350_GPIO3_PWR_OFF_IN, WM8350_GPIO_ACTIVE_HIGH, | |
397 | WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF, | |
398 | WM8350_GPIO_DEBOUNCE_ON); | |
399 | ||
400 | wm8350_gpio_config(wm8350, 4, WM8350_GPIO_DIR_IN, | |
401 | WM8350_GPIO4_MR_IN, WM8350_GPIO_ACTIVE_HIGH, | |
402 | WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF, | |
403 | WM8350_GPIO_DEBOUNCE_OFF); | |
404 | ||
405 | wm8350_gpio_config(wm8350, 7, WM8350_GPIO_DIR_IN, | |
406 | WM8350_GPIO7_HIBERNATE_IN, WM8350_GPIO_ACTIVE_HIGH, | |
407 | WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF, | |
408 | WM8350_GPIO_DEBOUNCE_OFF); | |
409 | ||
410 | wm8350_gpio_config(wm8350, 6, WM8350_GPIO_DIR_OUT, | |
411 | WM8350_GPIO6_SDOUT_OUT, WM8350_GPIO_ACTIVE_HIGH, | |
412 | WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF, | |
413 | WM8350_GPIO_DEBOUNCE_OFF); | |
414 | ||
415 | wm8350_gpio_config(wm8350, 8, WM8350_GPIO_DIR_OUT, | |
416 | WM8350_GPIO8_VCC_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW, | |
417 | WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF, | |
418 | WM8350_GPIO_DEBOUNCE_OFF); | |
419 | ||
420 | wm8350_gpio_config(wm8350, 9, WM8350_GPIO_DIR_OUT, | |
421 | WM8350_GPIO9_BATT_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW, | |
422 | WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF, | |
423 | WM8350_GPIO_DEBOUNCE_OFF); | |
424 | ||
425 | /* Fix up for our own supplies. */ | |
426 | for (i = 0; i < ARRAY_SIZE(ldo2_consumers); i++) | |
427 | ldo2_consumers[i].dev = wm8350->dev; | |
428 | ||
429 | wm8350_register_regulator(wm8350, WM8350_DCDC_1, &sw1a_data); | |
430 | wm8350_register_regulator(wm8350, WM8350_DCDC_3, &viohi_data); | |
431 | wm8350_register_regulator(wm8350, WM8350_DCDC_4, &violo_data); | |
432 | wm8350_register_regulator(wm8350, WM8350_DCDC_6, &sw2a_data); | |
433 | wm8350_register_regulator(wm8350, WM8350_LDO_1, &ldo1_data); | |
434 | wm8350_register_regulator(wm8350, WM8350_LDO_2, &ldo2_data); | |
435 | wm8350_register_regulator(wm8350, WM8350_LDO_3, &vdig_data); | |
436 | wm8350_register_regulator(wm8350, WM8350_LDO_4, &ldo4_data); | |
437 | ||
438 | /* LEDs */ | |
439 | wm8350_dcdc_set_slot(wm8350, WM8350_DCDC_5, 1, 1, | |
440 | WM8350_DC5_ERRACT_SHUTDOWN_CONV); | |
441 | wm8350_isink_set_flash(wm8350, WM8350_ISINK_A, | |
442 | WM8350_ISINK_FLASH_DISABLE, | |
443 | WM8350_ISINK_FLASH_TRIG_BIT, | |
444 | WM8350_ISINK_FLASH_DUR_32MS, | |
445 | WM8350_ISINK_FLASH_ON_INSTANT, | |
446 | WM8350_ISINK_FLASH_OFF_INSTANT, | |
447 | WM8350_ISINK_FLASH_MODE_EN); | |
448 | wm8350_dcdc25_set_mode(wm8350, WM8350_DCDC_5, | |
449 | WM8350_ISINK_MODE_BOOST, | |
450 | WM8350_ISINK_ILIM_NORMAL, | |
451 | WM8350_DC5_RMP_20V, | |
452 | WM8350_DC5_FBSRC_ISINKA); | |
453 | wm8350_register_led(wm8350, 0, WM8350_DCDC_5, WM8350_ISINK_A, | |
454 | &wm8350_led_data); | |
455 | ||
456 | wm8350->codec.platform_data = &imx32ads_wm8350_setup; | |
457 | ||
0ac402fd MB |
458 | regulator_has_full_constraints(); |
459 | ||
fe7316bf MB |
460 | return 0; |
461 | } | |
462 | ||
463 | static struct wm8350_platform_data __initdata mx31_wm8350_pdata = { | |
464 | .init = mx31_wm8350_init, | |
3d661ac1 | 465 | .irq_base = MXC_BOARD_IRQ_START + MXC_MAX_EXP_IO_LINES, |
fe7316bf MB |
466 | }; |
467 | #endif | |
468 | ||
469 | #if defined(CONFIG_I2C_IMX) || defined(CONFIG_I2C_IMX_MODULE) | |
470 | static struct i2c_board_info __initdata mx31ads_i2c1_devices[] = { | |
471 | #ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 | |
472 | { | |
473 | I2C_BOARD_INFO("wm8350", 0x1a), | |
474 | .platform_data = &mx31_wm8350_pdata, | |
475 | .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), | |
476 | }, | |
477 | #endif | |
478 | }; | |
479 | ||
480 | static void mxc_init_i2c(void) | |
481 | { | |
482 | i2c_register_board_info(1, mx31ads_i2c1_devices, | |
483 | ARRAY_SIZE(mx31ads_i2c1_devices)); | |
484 | ||
485 | mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MOSI, IOMUX_CONFIG_ALT1)); | |
486 | mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MISO, IOMUX_CONFIG_ALT1)); | |
487 | ||
488 | mxc_register_device(&mxc_i2c_device1, NULL); | |
489 | } | |
490 | #else | |
491 | static void mxc_init_i2c(void) | |
492 | { | |
493 | } | |
494 | #endif | |
495 | ||
52c543f9 QJ |
496 | /*! |
497 | * This structure defines static mappings for the i.MX31ADS board. | |
498 | */ | |
499 | static struct map_desc mx31ads_io_desc[] __initdata = { | |
500 | { | |
52c543f9 QJ |
501 | .virtual = CS4_BASE_ADDR_VIRT, |
502 | .pfn = __phys_to_pfn(CS4_BASE_ADDR), | |
503 | .length = CS4_SIZE / 2, | |
504 | .type = MT_DEVICE | |
505 | }, | |
506 | }; | |
507 | ||
508 | /*! | |
509 | * Set up static virtual mappings. | |
510 | */ | |
8b785b9d | 511 | static void __init mx31ads_map_io(void) |
52c543f9 | 512 | { |
cd4a05f9 | 513 | mx31_map_io(); |
52c543f9 QJ |
514 | iotable_init(mx31ads_io_desc, ARRAY_SIZE(mx31ads_io_desc)); |
515 | } | |
516 | ||
8b785b9d | 517 | static void __init mx31ads_init_irq(void) |
d7568f79 | 518 | { |
c5aa0ad0 | 519 | mx31_init_irq(); |
d7568f79 GC |
520 | mx31ads_init_expio(); |
521 | } | |
522 | ||
52c543f9 QJ |
523 | /*! |
524 | * Board specific initialization. | |
525 | */ | |
526 | static void __init mxc_board_init(void) | |
527 | { | |
528 | mxc_init_extuart(); | |
0741794c | 529 | mxc_init_imx_uart(); |
fe7316bf | 530 | mxc_init_i2c(); |
52c543f9 QJ |
531 | } |
532 | ||
d0f349fb JB |
533 | static void __init mx31ads_timer_init(void) |
534 | { | |
30c730f8 | 535 | mx31_clocks_init(26000000); |
d0f349fb JB |
536 | } |
537 | ||
8b785b9d | 538 | static struct sys_timer mx31ads_timer = { |
d0f349fb JB |
539 | .init = mx31ads_timer_init, |
540 | }; | |
541 | ||
52c543f9 QJ |
542 | /* |
543 | * The following uses standard kernel macros defined in arch.h in order to | |
544 | * initialize __mach_desc_MX31ADS data structure. | |
545 | */ | |
546 | MACHINE_START(MX31ADS, "Freescale MX31ADS") | |
547 | /* Maintainer: Freescale Semiconductor, Inc. */ | |
548 | .phys_io = AIPS1_BASE_ADDR, | |
549 | .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, | |
550 | .boot_params = PHYS_OFFSET + 0x100, | |
551 | .map_io = mx31ads_map_io, | |
d7568f79 | 552 | .init_irq = mx31ads_init_irq, |
52c543f9 | 553 | .init_machine = mxc_board_init, |
d0f349fb | 554 | .timer = &mx31ads_timer, |
52c543f9 | 555 | MACHINE_END |