[ARM] pxa/cm-x300: add Wi2Wi chip (Bluetooth and WiFi) initialization
[deliverable/linux.git] / arch / arm / mach-pxa / cm-x300.c
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1/*
2 * linux/arch/arm/mach-pxa/cm-x300.c
3 *
4 * Support for the CompuLab CM-X300 modules
5 *
6 * Copyright (C) 2008 CompuLab Ltd.
7 *
8 * Mike Rapoport <mike@compulab.co.il>
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 version 2 as
12 * published by the Free Software Foundation.
13 */
14
15#include <linux/module.h>
16#include <linux/kernel.h>
17#include <linux/interrupt.h>
18#include <linux/init.h>
b3d01da6 19#include <linux/delay.h>
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20#include <linux/platform_device.h>
21
22#include <linux/gpio.h>
23#include <linux/dm9000.h>
24#include <linux/leds.h>
1858ced3 25#include <linux/rtc-v3020.h>
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26
27#include <linux/i2c.h>
28#include <linux/i2c/pca953x.h>
29
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30#include <linux/spi/spi.h>
31#include <linux/spi/spi_gpio.h>
32#include <linux/spi/tdo24m.h>
33
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34#include <asm/mach-types.h>
35#include <asm/mach/arch.h>
b5a5c474 36#include <asm/setup.h>
cf75d8d2 37
51c62982 38#include <mach/pxa300.h>
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39#include <mach/pxafb.h>
40#include <mach/mmc.h>
41#include <mach/ohci.h>
f0a83701 42#include <plat/i2c.h>
82b95ecb 43#include <plat/pxa3xx_nand.h>
74e74def 44#include <mach/audio.h>
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45
46#include <asm/mach/map.h>
47
48#include "generic.h"
49
50#define CM_X300_ETH_PHYS 0x08000010
51
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52#define GPIO82_MMC_IRQ (82)
53#define GPIO85_MMC_WP (85)
cf75d8d2 54
0bff2fc3 55#define CM_X300_MMC_IRQ IRQ_GPIO(GPIO82_MMC_IRQ)
cf75d8d2 56
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57#define GPIO95_RTC_CS (95)
58#define GPIO96_RTC_WR (96)
59#define GPIO97_RTC_RD (97)
60#define GPIO98_RTC_IO (98)
61
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62static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = {
63 /* LCD */
64 GPIO54_LCD_LDD_0,
65 GPIO55_LCD_LDD_1,
66 GPIO56_LCD_LDD_2,
67 GPIO57_LCD_LDD_3,
68 GPIO58_LCD_LDD_4,
69 GPIO59_LCD_LDD_5,
70 GPIO60_LCD_LDD_6,
71 GPIO61_LCD_LDD_7,
72 GPIO62_LCD_LDD_8,
73 GPIO63_LCD_LDD_9,
74 GPIO64_LCD_LDD_10,
75 GPIO65_LCD_LDD_11,
76 GPIO66_LCD_LDD_12,
77 GPIO67_LCD_LDD_13,
78 GPIO68_LCD_LDD_14,
79 GPIO69_LCD_LDD_15,
80 GPIO72_LCD_FCLK,
81 GPIO73_LCD_LCLK,
82 GPIO74_LCD_PCLK,
83 GPIO75_LCD_BIAS,
84
85 /* BTUART */
86 GPIO111_UART2_RTS,
87 GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
88 GPIO113_UART2_TXD,
89 GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
90
91 /* STUART */
92 GPIO109_UART3_TXD,
93 GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
94
95 /* AC97 */
96 GPIO23_AC97_nACRESET,
97 GPIO24_AC97_SYSCLK,
98 GPIO29_AC97_BITCLK,
99 GPIO25_AC97_SDATA_IN_0,
100 GPIO27_AC97_SDATA_OUT,
101 GPIO28_AC97_SYNC,
102
103 /* Keypad */
104 GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
105 GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
106 GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
107 GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
108 GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
109 GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
110 GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
111 GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
112 GPIO121_KP_MKOUT_0,
113 GPIO122_KP_MKOUT_1,
114 GPIO123_KP_MKOUT_2,
115 GPIO124_KP_MKOUT_3,
116 GPIO125_KP_MKOUT_4,
117 GPIO4_2_KP_MKOUT_5,
118
119 /* MMC1 */
120 GPIO3_MMC1_DAT0,
121 GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
122 GPIO5_MMC1_DAT2,
123 GPIO6_MMC1_DAT3,
124 GPIO7_MMC1_CLK,
125 GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
126
127 /* MMC2 */
128 GPIO9_MMC2_DAT0,
129 GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
130 GPIO11_MMC2_DAT2,
131 GPIO12_MMC2_DAT3,
132 GPIO13_MMC2_CLK,
133 GPIO14_MMC2_CMD,
134
135 /* FFUART */
136 GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
137 GPIO31_UART1_TXD,
138 GPIO32_UART1_CTS,
139 GPIO37_UART1_RTS,
140 GPIO33_UART1_DCD,
141 GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
142 GPIO35_UART1_RI,
143 GPIO36_UART1_DTR,
144
145 /* GPIOs */
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146 GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */
147 GPIO85_GPIO, /* MMC WP */
148 GPIO99_GPIO, /* Ethernet IRQ */
6f584cfa 149
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150 /* RTC GPIOs */
151 GPIO95_GPIO, /* RTC CS */
152 GPIO96_GPIO, /* RTC WR */
153 GPIO97_GPIO, /* RTC RD */
154 GPIO98_GPIO, /* RTC IO */
155
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156 /* Standard I2C */
157 GPIO21_I2C_SCL,
158 GPIO22_I2C_SDA,
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159};
160
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161static mfp_cfg_t cm_x300_rev_lt130_mfp_cfg[] __initdata = {
162 /* GPIOs */
163 GPIO79_GPIO, /* LED */
164 GPIO77_GPIO, /* WiFi reset */
165 GPIO78_GPIO, /* BT reset */
166};
167
168static mfp_cfg_t cm_x300_rev_ge130_mfp_cfg[] __initdata = {
169 /* GPIOs */
170 GPIO76_GPIO, /* LED */
171 GPIO71_GPIO, /* WiFi reset */
172 GPIO70_GPIO, /* BT reset */
173};
174
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175#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
176static struct resource dm9000_resources[] = {
177 [0] = {
178 .start = CM_X300_ETH_PHYS,
179 .end = CM_X300_ETH_PHYS + 0x3,
180 .flags = IORESOURCE_MEM,
181 },
182 [1] = {
183 .start = CM_X300_ETH_PHYS + 0x4,
184 .end = CM_X300_ETH_PHYS + 0x4 + 500,
185 .flags = IORESOURCE_MEM,
186 },
187 [2] = {
188 .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
189 .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
190 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
191 }
192};
193
194static struct dm9000_plat_data cm_x300_dm9000_platdata = {
bff22c9b 195 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
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196};
197
198static struct platform_device dm9000_device = {
199 .name = "dm9000",
200 .id = 0,
201 .num_resources = ARRAY_SIZE(dm9000_resources),
202 .resource = dm9000_resources,
203 .dev = {
204 .platform_data = &cm_x300_dm9000_platdata,
205 }
206
207};
208
209static void __init cm_x300_init_dm9000(void)
210{
211 platform_device_register(&dm9000_device);
212}
213#else
214static inline void cm_x300_init_dm9000(void) {}
215#endif
216
83e560ee 217/* LCD */
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218#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
219static struct pxafb_mode_info cm_x300_lcd_modes[] = {
220 [0] = {
83e560ee 221 .pixclock = 38250,
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222 .bpp = 16,
223 .xres = 480,
224 .yres = 640,
225 .hsync_len = 8,
226 .vsync_len = 2,
227 .left_margin = 8,
83e560ee 228 .upper_margin = 2,
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229 .right_margin = 24,
230 .lower_margin = 4,
231 .cmap_greyscale = 0,
232 },
233 [1] = {
234 .pixclock = 153800,
235 .bpp = 16,
236 .xres = 240,
237 .yres = 320,
238 .hsync_len = 8,
239 .vsync_len = 2,
240 .left_margin = 8,
241 .upper_margin = 2,
242 .right_margin = 88,
243 .lower_margin = 2,
244 .cmap_greyscale = 0,
245 },
246};
247
248static struct pxafb_mach_info cm_x300_lcd = {
249 .modes = cm_x300_lcd_modes,
83e560ee 250 .num_modes = ARRAY_SIZE(cm_x300_lcd_modes),
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251 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
252};
253
254static void __init cm_x300_init_lcd(void)
255{
256 set_pxa_fb_info(&cm_x300_lcd);
257}
258#else
259static inline void cm_x300_init_lcd(void) {}
260#endif
261
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262#if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
263#define GPIO_LCD_BASE (144)
264#define GPIO_LCD_DIN (GPIO_LCD_BASE + 8) /* aux_gpio3_0 */
265#define GPIO_LCD_DOUT (GPIO_LCD_BASE + 9) /* aux_gpio3_1 */
266#define GPIO_LCD_SCL (GPIO_LCD_BASE + 10) /* aux_gpio3_2 */
267#define GPIO_LCD_CS (GPIO_LCD_BASE + 11) /* aux_gpio3_3 */
268#define LCD_SPI_BUS_NUM (1)
269
270static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
271 .sck = GPIO_LCD_SCL,
272 .mosi = GPIO_LCD_DIN,
273 .miso = GPIO_LCD_DOUT,
274 .num_chipselect = 1,
275};
276
277static struct platform_device cm_x300_spi_gpio = {
278 .name = "spi_gpio",
279 .id = LCD_SPI_BUS_NUM,
280 .dev = {
281 .platform_data = &cm_x300_spi_gpio_pdata,
282 },
283};
284
285static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
286 .model = TDO35S,
287};
288
289static struct spi_board_info cm_x300_spi_devices[] __initdata = {
290 {
291 .modalias = "tdo24m",
292 .max_speed_hz = 1000000,
293 .bus_num = LCD_SPI_BUS_NUM,
294 .chip_select = 0,
295 .controller_data = (void *) GPIO_LCD_CS,
296 .platform_data = &cm_x300_tdo24m_pdata,
297 },
298};
299
300static void __init cm_x300_init_spi(void)
301{
302 spi_register_board_info(cm_x300_spi_devices,
303 ARRAY_SIZE(cm_x300_spi_devices));
304 platform_device_register(&cm_x300_spi_gpio);
305}
306#else
307static inline void cm_x300_init_spi(void) {}
308#endif
309
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310#if defined(CONFIG_SND_PXA2XX_LIB_AC97)
311static void __init cm_x300_init_ac97(void)
312{
313 pxa_set_ac97_info(NULL);
314}
315#else
316static inline void cm_x300_init_ac97(void) {}
317#endif
318
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319#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
320static struct mtd_partition cm_x300_nand_partitions[] = {
321 [0] = {
322 .name = "OBM",
323 .offset = 0,
324 .size = SZ_256K,
325 .mask_flags = MTD_WRITEABLE, /* force read-only */
326 },
327 [1] = {
328 .name = "U-Boot",
329 .offset = MTDPART_OFS_APPEND,
330 .size = SZ_256K,
331 .mask_flags = MTD_WRITEABLE, /* force read-only */
332 },
333 [2] = {
334 .name = "Environment",
335 .offset = MTDPART_OFS_APPEND,
336 .size = SZ_256K,
337 },
338 [3] = {
339 .name = "reserved",
340 .offset = MTDPART_OFS_APPEND,
341 .size = SZ_256K + SZ_1M,
342 .mask_flags = MTD_WRITEABLE, /* force read-only */
343 },
344 [4] = {
345 .name = "kernel",
346 .offset = MTDPART_OFS_APPEND,
347 .size = SZ_4M,
348 },
349 [5] = {
350 .name = "fs",
351 .offset = MTDPART_OFS_APPEND,
352 .size = MTDPART_SIZ_FULL,
353 },
354};
355
356static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
357 .enable_arbiter = 1,
b3992b66 358 .keep_config = 1,
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359 .parts = cm_x300_nand_partitions,
360 .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
361};
362
363static void __init cm_x300_init_nand(void)
364{
365 pxa3xx_set_nand_info(&cm_x300_nand_info);
366}
367#else
368static inline void cm_x300_init_nand(void) {}
369#endif
370
371#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
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372static struct pxamci_platform_data cm_x300_mci_platform_data = {
373 .detect_delay = 20,
374 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
375 .gpio_card_detect = GPIO82_MMC_IRQ,
376 .gpio_card_ro = GPIO85_MMC_WP,
377 .gpio_power = -1,
378};
379
380/* The second MMC slot of CM-X300 is hardwired to Libertas card and has
cf75d8d2 381 no detection/ro pins */
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382static int cm_x300_mci2_init(struct device *dev,
383 irq_handler_t cm_x300_detect_int,
384 void *data)
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385{
386 return 0;
387}
388
0bff2fc3 389static void cm_x300_mci2_exit(struct device *dev, void *data)
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390{
391}
392
0bff2fc3 393static struct pxamci_platform_data cm_x300_mci2_platform_data = {
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394 .detect_delay = 20,
395 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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396 .init = cm_x300_mci2_init,
397 .exit = cm_x300_mci2_exit,
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398 .gpio_card_detect = -1,
399 .gpio_card_ro = -1,
400 .gpio_power = -1,
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401};
402
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403static void __init cm_x300_init_mmc(void)
404{
405 pxa_set_mci_info(&cm_x300_mci_platform_data);
406 pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
407}
408#else
409static inline void cm_x300_init_mmc(void) {}
410#endif
411
412#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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413static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
414 .port_mode = PMM_PERPORT_MODE,
097b5334 415 .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
cf75d8d2 416};
097b5334 417
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418static void __init cm_x300_init_ohci(void)
419{
420 pxa_set_ohci_info(&cm_x300_ohci_platform_data);
421}
422#else
423static inline void cm_x300_init_ohci(void) {}
424#endif
425
426#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
427static struct gpio_led cm_x300_leds[] = {
428 [0] = {
429 .name = "cm-x300:green",
430 .default_trigger = "heartbeat",
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431 .active_low = 1,
432 },
433};
434
435static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
436 .num_leds = ARRAY_SIZE(cm_x300_leds),
437 .leds = cm_x300_leds,
438};
439
440static struct platform_device cm_x300_led_device = {
441 .name = "leds-gpio",
442 .id = -1,
443 .dev = {
444 .platform_data = &cm_x300_gpio_led_pdata,
445 },
446};
447
448static void __init cm_x300_init_leds(void)
449{
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450 if (system_rev < 130)
451 cm_x300_leds[0].gpio = 79;
452 else
453 cm_x300_leds[0].gpio = 76;
454
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455 platform_device_register(&cm_x300_led_device);
456}
457#else
458static inline void cm_x300_init_leds(void) {}
459#endif
460
461#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
462/* PCA9555 */
463static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
464 .gpio_base = 128,
465};
466
467static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
468 .gpio_base = 144,
469};
470
471static struct i2c_board_info cm_x300_gpio_ext_info[] = {
472 [0] = {
473 I2C_BOARD_INFO("pca9555", 0x24),
474 .platform_data = &cm_x300_gpio_ext_pdata_0,
475 },
476 [1] = {
477 I2C_BOARD_INFO("pca9555", 0x25),
478 .platform_data = &cm_x300_gpio_ext_pdata_1,
479 },
480};
481
482static void __init cm_x300_init_i2c(void)
483{
484 pxa_set_i2c_info(NULL);
485 i2c_register_board_info(0, cm_x300_gpio_ext_info,
486 ARRAY_SIZE(cm_x300_gpio_ext_info));
487}
488#else
489static inline void cm_x300_init_i2c(void) {}
490#endif
491
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492#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
493struct v3020_platform_data cm_x300_v3020_pdata = {
494 .use_gpio = 1,
495 .gpio_cs = GPIO95_RTC_CS,
496 .gpio_wr = GPIO96_RTC_WR,
497 .gpio_rd = GPIO97_RTC_RD,
498 .gpio_io = GPIO98_RTC_IO,
499};
500
501static struct platform_device cm_x300_rtc_device = {
502 .name = "v3020",
503 .id = -1,
504 .dev = {
505 .platform_data = &cm_x300_v3020_pdata,
506 }
507};
508
509static void __init cm_x300_init_rtc(void)
510{
511 platform_device_register(&cm_x300_rtc_device);
512}
513#else
514static inline void cm_x300_init_rtc(void) {}
515#endif
516
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517static void __init cm_x300_init_wi2wi(void)
518{
519 int bt_reset, wlan_en;
520 int err;
521
522 if (system_rev < 130) {
523 wlan_en = 77;
524 bt_reset = 78;
525 } else {
526 wlan_en = 71;
527 bt_reset = 70;
528 }
529
530 /* Libertas and CSR reset */
531 err = gpio_request(wlan_en, "wlan en");
532 if (err) {
533 pr_err("CM-X300: failed to request wlan en gpio: %d\n", err);
534 } else {
535 gpio_direction_output(wlan_en, 1);
536 gpio_free(wlan_en);
537 }
538
539 err = gpio_request(bt_reset, "bt reset");
540 if (err) {
541 pr_err("CM-X300: failed to request bt reset gpio: %d\n", err);
542 } else {
543 gpio_direction_output(bt_reset, 1);
544 udelay(10);
545 gpio_set_value(bt_reset, 0);
546 udelay(10);
547 gpio_set_value(bt_reset, 1);
548 gpio_free(bt_reset);
549 }
550}
551
552/* MFP */
55052ea2 553static void __init cm_x300_init_mfp(void)
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554{
555 /* board-processor specific GPIO initialization */
556 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg));
557
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558 if (system_rev < 130)
559 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_rev_lt130_mfp_cfg));
560 else
561 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_rev_ge130_mfp_cfg));
562}
563
564static void __init cm_x300_init(void)
565{
566 cm_x300_init_mfp();
567
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568 pxa_set_ffuart_info(NULL);
569 pxa_set_btuart_info(NULL);
570 pxa_set_stuart_info(NULL);
571
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572 cm_x300_init_dm9000();
573 cm_x300_init_lcd();
574 cm_x300_init_ohci();
575 cm_x300_init_mmc();
576 cm_x300_init_nand();
577 cm_x300_init_leds();
578 cm_x300_init_i2c();
83e560ee 579 cm_x300_init_spi();
1858ced3 580 cm_x300_init_rtc();
74e74def 581 cm_x300_init_ac97();
b3d01da6 582 cm_x300_init_wi2wi();
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583}
584
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585static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
586 char **cmdline, struct meminfo *mi)
587{
588 mi->nr_banks = 2;
589 mi->bank[0].start = 0xa0000000;
590 mi->bank[0].node = 0;
591 mi->bank[0].size = (64*1024*1024);
592 mi->bank[1].start = 0xc0000000;
593 mi->bank[1].node = 0;
594 mi->bank[1].size = (64*1024*1024);
595}
596
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597MACHINE_START(CM_X300, "CM-X300 module")
598 .phys_io = 0x40000000,
599 .boot_params = 0xa0000100,
600 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
601 .map_io = pxa_map_io,
602 .init_irq = pxa3xx_init_irq,
603 .timer = &pxa_timer,
604 .init_machine = cm_x300_init,
b5a5c474 605 .fixup = cm_x300_fixup,
cf75d8d2 606MACHINE_END
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