mm: hugetlb: fix hugepage memory leak caused by wrong reserve count
[linux/fpc-iii.git] / arch / arm / mach-pxa / vpac270.c
blob54122a983ae37664efaf21c6ee4e962412c024cb
1 /*
2 * Hardware definitions for Voipac PXA270
4 * Copyright (C) 2010
5 * Marek Vasut <marek.vasut@gmail.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
13 #include <linux/platform_device.h>
14 #include <linux/delay.h>
15 #include <linux/irq.h>
16 #include <linux/gpio_keys.h>
17 #include <linux/input.h>
18 #include <linux/gpio.h>
19 #include <linux/usb/gpio_vbus.h>
20 #include <linux/mtd/mtd.h>
21 #include <linux/mtd/partitions.h>
22 #include <linux/mtd/physmap.h>
23 #include <linux/mtd/onenand.h>
24 #include <linux/dm9000.h>
25 #include <linux/ucb1400.h>
26 #include <linux/ata_platform.h>
27 #include <linux/regulator/machine.h>
28 #include <linux/regulator/max1586.h>
29 #include <linux/i2c/pxa-i2c.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
34 #include <mach/pxa27x.h>
35 #include <mach/audio.h>
36 #include <mach/vpac270.h>
37 #include <linux/platform_data/mmc-pxamci.h>
38 #include <linux/platform_data/video-pxafb.h>
39 #include <linux/platform_data/usb-ohci-pxa27x.h>
40 #include <mach/pxa27x-udc.h>
41 #include <mach/udc.h>
42 #include <linux/platform_data/ata-pxa.h>
44 #include "generic.h"
45 #include "devices.h"
47 /******************************************************************************
48 * Pin configuration
49 ******************************************************************************/
50 static unsigned long vpac270_pin_config[] __initdata = {
51 /* MMC */
52 GPIO32_MMC_CLK,
53 GPIO92_MMC_DAT_0,
54 GPIO109_MMC_DAT_1,
55 GPIO110_MMC_DAT_2,
56 GPIO111_MMC_DAT_3,
57 GPIO112_MMC_CMD,
58 GPIO53_GPIO, /* SD detect */
59 GPIO52_GPIO, /* SD r/o switch */
61 /* GPIO KEYS */
62 GPIO1_GPIO, /* USER BTN */
64 /* LEDs */
65 GPIO15_GPIO, /* orange led */
67 /* FFUART */
68 GPIO34_FFUART_RXD,
69 GPIO39_FFUART_TXD,
70 GPIO27_FFUART_RTS,
71 GPIO100_FFUART_CTS,
72 GPIO33_FFUART_DSR,
73 GPIO40_FFUART_DTR,
74 GPIO10_FFUART_DCD,
75 GPIO38_FFUART_RI,
77 /* LCD */
78 GPIO58_LCD_LDD_0,
79 GPIO59_LCD_LDD_1,
80 GPIO60_LCD_LDD_2,
81 GPIO61_LCD_LDD_3,
82 GPIO62_LCD_LDD_4,
83 GPIO63_LCD_LDD_5,
84 GPIO64_LCD_LDD_6,
85 GPIO65_LCD_LDD_7,
86 GPIO66_LCD_LDD_8,
87 GPIO67_LCD_LDD_9,
88 GPIO68_LCD_LDD_10,
89 GPIO69_LCD_LDD_11,
90 GPIO70_LCD_LDD_12,
91 GPIO71_LCD_LDD_13,
92 GPIO72_LCD_LDD_14,
93 GPIO73_LCD_LDD_15,
94 GPIO86_LCD_LDD_16,
95 GPIO87_LCD_LDD_17,
96 GPIO74_LCD_FCLK,
97 GPIO75_LCD_LCLK,
98 GPIO76_LCD_PCLK,
99 GPIO77_LCD_BIAS,
101 /* PCMCIA */
102 GPIO48_nPOE,
103 GPIO49_nPWE,
104 GPIO50_nPIOR,
105 GPIO51_nPIOW,
106 GPIO85_nPCE_1,
107 GPIO54_nPCE_2,
108 GPIO55_nPREG,
109 GPIO57_nIOIS16,
110 GPIO56_nPWAIT,
111 GPIO104_PSKTSEL,
112 GPIO84_GPIO, /* PCMCIA CD */
113 GPIO35_GPIO, /* PCMCIA RDY */
114 GPIO107_GPIO, /* PCMCIA PPEN */
115 GPIO11_GPIO, /* PCMCIA RESET */
116 GPIO17_GPIO, /* CF CD */
117 GPIO12_GPIO, /* CF RDY */
118 GPIO16_GPIO, /* CF RESET */
120 /* UHC */
121 GPIO88_USBH1_PWR,
122 GPIO89_USBH1_PEN,
123 GPIO119_USBH2_PWR,
124 GPIO120_USBH2_PEN,
126 /* UDC */
127 GPIO41_GPIO,
129 /* Ethernet */
130 GPIO114_GPIO, /* IRQ */
132 /* AC97 */
133 GPIO28_AC97_BITCLK,
134 GPIO29_AC97_SDATA_IN_0,
135 GPIO30_AC97_SDATA_OUT,
136 GPIO31_AC97_SYNC,
137 GPIO95_AC97_nRESET,
138 GPIO98_AC97_SYSCLK,
139 GPIO113_GPIO, /* TS IRQ */
141 /* I2C */
142 GPIO117_I2C_SCL,
143 GPIO118_I2C_SDA,
145 /* IDE */
146 GPIO36_GPIO, /* IDE IRQ */
147 GPIO80_DREQ_1,
150 /******************************************************************************
151 * NOR Flash
152 ******************************************************************************/
153 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
154 static struct mtd_partition vpac270_nor_partitions[] = {
156 .name = "Flash",
157 .offset = 0x00000000,
158 .size = MTDPART_SIZ_FULL,
162 static struct physmap_flash_data vpac270_flash_data[] = {
164 .width = 2, /* bankwidth in bytes */
165 .parts = vpac270_nor_partitions,
166 .nr_parts = ARRAY_SIZE(vpac270_nor_partitions)
170 static struct resource vpac270_flash_resource = {
171 .start = PXA_CS0_PHYS,
172 .end = PXA_CS0_PHYS + SZ_64M - 1,
173 .flags = IORESOURCE_MEM,
176 static struct platform_device vpac270_flash = {
177 .name = "physmap-flash",
178 .id = 0,
179 .resource = &vpac270_flash_resource,
180 .num_resources = 1,
181 .dev = {
182 .platform_data = vpac270_flash_data,
185 static void __init vpac270_nor_init(void)
187 platform_device_register(&vpac270_flash);
189 #else
190 static inline void vpac270_nor_init(void) {}
191 #endif
193 /******************************************************************************
194 * OneNAND Flash
195 ******************************************************************************/
196 #if defined(CONFIG_MTD_ONENAND) || defined(CONFIG_MTD_ONENAND_MODULE)
197 static struct mtd_partition vpac270_onenand_partitions[] = {
199 .name = "Flash",
200 .offset = 0x00000000,
201 .size = MTDPART_SIZ_FULL,
205 static struct onenand_platform_data vpac270_onenand_info = {
206 .parts = vpac270_onenand_partitions,
207 .nr_parts = ARRAY_SIZE(vpac270_onenand_partitions),
210 static struct resource vpac270_onenand_resources[] = {
211 [0] = {
212 .start = PXA_CS0_PHYS,
213 .end = PXA_CS0_PHYS + SZ_1M,
214 .flags = IORESOURCE_MEM,
218 static struct platform_device vpac270_onenand = {
219 .name = "onenand-flash",
220 .id = -1,
221 .resource = vpac270_onenand_resources,
222 .num_resources = ARRAY_SIZE(vpac270_onenand_resources),
223 .dev = {
224 .platform_data = &vpac270_onenand_info,
228 static void __init vpac270_onenand_init(void)
230 platform_device_register(&vpac270_onenand);
232 #else
233 static void __init vpac270_onenand_init(void) {}
234 #endif
236 /******************************************************************************
237 * SD/MMC card controller
238 ******************************************************************************/
239 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
240 static struct pxamci_platform_data vpac270_mci_platform_data = {
241 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
242 .gpio_power = -1,
243 .gpio_card_detect = GPIO53_VPAC270_SD_DETECT_N,
244 .gpio_card_ro = GPIO52_VPAC270_SD_READONLY,
245 .detect_delay_ms = 200,
248 static void __init vpac270_mmc_init(void)
250 pxa_set_mci_info(&vpac270_mci_platform_data);
252 #else
253 static inline void vpac270_mmc_init(void) {}
254 #endif
256 /******************************************************************************
257 * GPIO keys
258 ******************************************************************************/
259 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
260 static struct gpio_keys_button vpac270_pxa_buttons[] = {
261 {KEY_POWER, GPIO1_VPAC270_USER_BTN, 0, "USER BTN"},
264 static struct gpio_keys_platform_data vpac270_pxa_keys_data = {
265 .buttons = vpac270_pxa_buttons,
266 .nbuttons = ARRAY_SIZE(vpac270_pxa_buttons),
269 static struct platform_device vpac270_pxa_keys = {
270 .name = "gpio-keys",
271 .id = -1,
272 .dev = {
273 .platform_data = &vpac270_pxa_keys_data,
277 static void __init vpac270_keys_init(void)
279 platform_device_register(&vpac270_pxa_keys);
281 #else
282 static inline void vpac270_keys_init(void) {}
283 #endif
285 /******************************************************************************
286 * LED
287 ******************************************************************************/
288 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
289 struct gpio_led vpac270_gpio_leds[] = {
291 .name = "vpac270:orange:user",
292 .default_trigger = "none",
293 .gpio = GPIO15_VPAC270_LED_ORANGE,
294 .active_low = 1,
298 static struct gpio_led_platform_data vpac270_gpio_led_info = {
299 .leds = vpac270_gpio_leds,
300 .num_leds = ARRAY_SIZE(vpac270_gpio_leds),
303 static struct platform_device vpac270_leds = {
304 .name = "leds-gpio",
305 .id = -1,
306 .dev = {
307 .platform_data = &vpac270_gpio_led_info,
311 static void __init vpac270_leds_init(void)
313 platform_device_register(&vpac270_leds);
315 #else
316 static inline void vpac270_leds_init(void) {}
317 #endif
319 /******************************************************************************
320 * USB Host
321 ******************************************************************************/
322 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
323 static int vpac270_ohci_init(struct device *dev)
325 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
326 return 0;
329 static struct pxaohci_platform_data vpac270_ohci_info = {
330 .port_mode = PMM_PERPORT_MODE,
331 .flags = ENABLE_PORT1 | ENABLE_PORT2 |
332 POWER_CONTROL_LOW | POWER_SENSE_LOW,
333 .init = vpac270_ohci_init,
336 static void __init vpac270_uhc_init(void)
338 pxa_set_ohci_info(&vpac270_ohci_info);
340 #else
341 static inline void vpac270_uhc_init(void) {}
342 #endif
344 /******************************************************************************
345 * USB Gadget
346 ******************************************************************************/
347 #if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE)
348 static struct gpio_vbus_mach_info vpac270_gpio_vbus_info = {
349 .gpio_vbus = GPIO41_VPAC270_UDC_DETECT,
350 .gpio_pullup = -1,
353 static struct platform_device vpac270_gpio_vbus = {
354 .name = "gpio-vbus",
355 .id = -1,
356 .dev = {
357 .platform_data = &vpac270_gpio_vbus_info,
361 static void vpac270_udc_command(int cmd)
363 if (cmd == PXA2XX_UDC_CMD_CONNECT)
364 UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;
365 else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
366 UP2OCR = UP2OCR_HXOE;
369 static struct pxa2xx_udc_mach_info vpac270_udc_info __initdata = {
370 .udc_command = vpac270_udc_command,
371 .gpio_pullup = -1,
374 static void __init vpac270_udc_init(void)
376 pxa_set_udc_info(&vpac270_udc_info);
377 platform_device_register(&vpac270_gpio_vbus);
379 #else
380 static inline void vpac270_udc_init(void) {}
381 #endif
383 /******************************************************************************
384 * Ethernet
385 ******************************************************************************/
386 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
387 static struct resource vpac270_dm9000_resources[] = {
388 [0] = {
389 .start = PXA_CS2_PHYS + 0x300,
390 .end = PXA_CS2_PHYS + 0x303,
391 .flags = IORESOURCE_MEM,
393 [1] = {
394 .start = PXA_CS2_PHYS + 0x304,
395 .end = PXA_CS2_PHYS + 0x343,
396 .flags = IORESOURCE_MEM,
398 [2] = {
399 .start = PXA_GPIO_TO_IRQ(GPIO114_VPAC270_ETH_IRQ),
400 .end = PXA_GPIO_TO_IRQ(GPIO114_VPAC270_ETH_IRQ),
401 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
405 static struct dm9000_plat_data vpac270_dm9000_platdata = {
406 .flags = DM9000_PLATF_32BITONLY,
409 static struct platform_device vpac270_dm9000_device = {
410 .name = "dm9000",
411 .id = -1,
412 .num_resources = ARRAY_SIZE(vpac270_dm9000_resources),
413 .resource = vpac270_dm9000_resources,
414 .dev = {
415 .platform_data = &vpac270_dm9000_platdata,
419 static void __init vpac270_eth_init(void)
421 platform_device_register(&vpac270_dm9000_device);
423 #else
424 static inline void vpac270_eth_init(void) {}
425 #endif
427 /******************************************************************************
428 * Audio and Touchscreen
429 ******************************************************************************/
430 #if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
431 defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
432 static pxa2xx_audio_ops_t vpac270_ac97_pdata = {
433 .reset_gpio = 95,
436 static struct ucb1400_pdata vpac270_ucb1400_pdata = {
437 .irq = PXA_GPIO_TO_IRQ(GPIO113_VPAC270_TS_IRQ),
440 static struct platform_device vpac270_ucb1400_device = {
441 .name = "ucb1400_core",
442 .id = -1,
443 .dev = {
444 .platform_data = &vpac270_ucb1400_pdata,
448 static void __init vpac270_ts_init(void)
450 pxa_set_ac97_info(&vpac270_ac97_pdata);
451 platform_device_register(&vpac270_ucb1400_device);
453 #else
454 static inline void vpac270_ts_init(void) {}
455 #endif
457 /******************************************************************************
458 * RTC
459 ******************************************************************************/
460 #if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
461 static struct i2c_board_info __initdata vpac270_i2c_devs[] = {
463 I2C_BOARD_INFO("ds1339", 0x68),
467 static void __init vpac270_rtc_init(void)
469 i2c_register_board_info(0, ARRAY_AND_SIZE(vpac270_i2c_devs));
471 #else
472 static inline void vpac270_rtc_init(void) {}
473 #endif
475 /******************************************************************************
476 * Framebuffer
477 ******************************************************************************/
478 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
479 static struct pxafb_mode_info vpac270_lcd_modes[] = {
481 .pixclock = 57692,
482 .xres = 640,
483 .yres = 480,
484 .bpp = 32,
485 .depth = 18,
487 .left_margin = 144,
488 .right_margin = 32,
489 .upper_margin = 13,
490 .lower_margin = 30,
492 .hsync_len = 32,
493 .vsync_len = 2,
495 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
496 }, { /* CRT 640x480 */
497 .pixclock = 35000,
498 .xres = 640,
499 .yres = 480,
500 .bpp = 16,
501 .depth = 16,
503 .left_margin = 96,
504 .right_margin = 48,
505 .upper_margin = 33,
506 .lower_margin = 10,
508 .hsync_len = 48,
509 .vsync_len = 1,
511 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
512 }, { /* CRT 800x600 H=30kHz V=48HZ */
513 .pixclock = 25000,
514 .xres = 800,
515 .yres = 600,
516 .bpp = 16,
517 .depth = 16,
519 .left_margin = 50,
520 .right_margin = 1,
521 .upper_margin = 21,
522 .lower_margin = 12,
524 .hsync_len = 8,
525 .vsync_len = 1,
527 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
528 }, { /* CRT 1024x768 H=40kHz V=50Hz */
529 .pixclock = 15000,
530 .xres = 1024,
531 .yres = 768,
532 .bpp = 16,
533 .depth = 16,
535 .left_margin = 220,
536 .right_margin = 8,
537 .upper_margin = 33,
538 .lower_margin = 2,
540 .hsync_len = 48,
541 .vsync_len = 1,
543 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
547 static struct pxafb_mach_info vpac270_lcd_screen = {
548 .modes = vpac270_lcd_modes,
549 .num_modes = ARRAY_SIZE(vpac270_lcd_modes),
550 .lcd_conn = LCD_COLOR_TFT_18BPP,
553 static void vpac270_lcd_power(int on, struct fb_var_screeninfo *info)
555 gpio_set_value(GPIO81_VPAC270_BKL_ON, on);
558 static void __init vpac270_lcd_init(void)
560 int ret;
562 ret = gpio_request(GPIO81_VPAC270_BKL_ON, "BKL-ON");
563 if (ret) {
564 pr_err("Requesting BKL-ON GPIO failed!\n");
565 goto err;
568 ret = gpio_direction_output(GPIO81_VPAC270_BKL_ON, 1);
569 if (ret) {
570 pr_err("Setting BKL-ON GPIO direction failed!\n");
571 goto err2;
574 vpac270_lcd_screen.pxafb_lcd_power = vpac270_lcd_power;
575 pxa_set_fb_info(NULL, &vpac270_lcd_screen);
576 return;
578 err2:
579 gpio_free(GPIO81_VPAC270_BKL_ON);
580 err:
581 return;
583 #else
584 static inline void vpac270_lcd_init(void) {}
585 #endif
587 /******************************************************************************
588 * PATA IDE
589 ******************************************************************************/
590 #if defined(CONFIG_PATA_PXA) || defined(CONFIG_PATA_PXA_MODULE)
591 static struct pata_pxa_pdata vpac270_pata_pdata = {
592 .reg_shift = 1,
593 .dma_dreq = 1,
594 .irq_flags = IRQF_TRIGGER_RISING,
597 static struct resource vpac270_ide_resources[] = {
598 [0] = { /* I/O Base address */
599 .start = PXA_CS3_PHYS + 0x120,
600 .end = PXA_CS3_PHYS + 0x13f,
601 .flags = IORESOURCE_MEM
603 [1] = { /* CTL Base address */
604 .start = PXA_CS3_PHYS + 0x15c,
605 .end = PXA_CS3_PHYS + 0x15f,
606 .flags = IORESOURCE_MEM
608 [2] = { /* DMA Base address */
609 .start = PXA_CS3_PHYS + 0x20,
610 .end = PXA_CS3_PHYS + 0x2f,
611 .flags = IORESOURCE_DMA
613 [3] = { /* IDE IRQ pin */
614 .start = PXA_GPIO_TO_IRQ(GPIO36_VPAC270_IDE_IRQ),
615 .end = PXA_GPIO_TO_IRQ(GPIO36_VPAC270_IDE_IRQ),
616 .flags = IORESOURCE_IRQ
620 static struct platform_device vpac270_ide_device = {
621 .name = "pata_pxa",
622 .num_resources = ARRAY_SIZE(vpac270_ide_resources),
623 .resource = vpac270_ide_resources,
624 .dev = {
625 .platform_data = &vpac270_pata_pdata,
626 .coherent_dma_mask = 0xffffffff,
630 static void __init vpac270_ide_init(void)
632 platform_device_register(&vpac270_ide_device);
634 #else
635 static inline void vpac270_ide_init(void) {}
636 #endif
638 /******************************************************************************
639 * Core power regulator
640 ******************************************************************************/
641 #if defined(CONFIG_REGULATOR_MAX1586) || \
642 defined(CONFIG_REGULATOR_MAX1586_MODULE)
643 static struct regulator_consumer_supply vpac270_max1587a_consumers[] = {
644 REGULATOR_SUPPLY("vcc_core", NULL),
647 static struct regulator_init_data vpac270_max1587a_v3_info = {
648 .constraints = {
649 .name = "vcc_core range",
650 .min_uV = 900000,
651 .max_uV = 1705000,
652 .always_on = 1,
653 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
655 .consumer_supplies = vpac270_max1587a_consumers,
656 .num_consumer_supplies = ARRAY_SIZE(vpac270_max1587a_consumers),
659 static struct max1586_subdev_data vpac270_max1587a_subdevs[] = {
661 .name = "vcc_core",
662 .id = MAX1586_V3,
663 .platform_data = &vpac270_max1587a_v3_info,
667 static struct max1586_platform_data vpac270_max1587a_info = {
668 .subdevs = vpac270_max1587a_subdevs,
669 .num_subdevs = ARRAY_SIZE(vpac270_max1587a_subdevs),
670 .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
673 static struct i2c_board_info __initdata vpac270_pi2c_board_info[] = {
675 I2C_BOARD_INFO("max1586", 0x14),
676 .platform_data = &vpac270_max1587a_info,
680 static void __init vpac270_pmic_init(void)
682 i2c_register_board_info(1, ARRAY_AND_SIZE(vpac270_pi2c_board_info));
684 #else
685 static inline void vpac270_pmic_init(void) {}
686 #endif
689 /******************************************************************************
690 * Machine init
691 ******************************************************************************/
692 static void __init vpac270_init(void)
694 pxa2xx_mfp_config(ARRAY_AND_SIZE(vpac270_pin_config));
696 pxa_set_ffuart_info(NULL);
697 pxa_set_btuart_info(NULL);
698 pxa_set_stuart_info(NULL);
699 pxa_set_i2c_info(NULL);
700 pxa27x_set_i2c_power_info(NULL);
702 vpac270_pmic_init();
703 vpac270_lcd_init();
704 vpac270_mmc_init();
705 vpac270_nor_init();
706 vpac270_onenand_init();
707 vpac270_leds_init();
708 vpac270_keys_init();
709 vpac270_uhc_init();
710 vpac270_udc_init();
711 vpac270_eth_init();
712 vpac270_ts_init();
713 vpac270_rtc_init();
714 vpac270_ide_init();
716 regulator_has_full_constraints();
719 MACHINE_START(VPAC270, "Voipac PXA270")
720 .atag_offset = 0x100,
721 .map_io = pxa27x_map_io,
722 .nr_irqs = PXA_NR_IRQS,
723 .init_irq = pxa27x_init_irq,
724 .handle_irq = pxa27x_handle_irq,
725 .init_time = pxa_timer_init,
726 .init_machine = vpac270_init,
727 .restart = pxa_restart,
728 MACHINE_END