2 * linux/arch/arm/mach-pxa/mainstone.c
4 * Support for the Intel HCDDBBVA0 Development Platform.
5 * (go figure how they came up with such name...)
7 * Author: Nicolas Pitre
8 * Created: Nov 05, 2002
9 * Copyright: MontaVista Software Inc.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
15 #include <linux/gpio.h>
16 #include <linux/gpio/machine.h>
17 #include <linux/init.h>
18 #include <linux/platform_device.h>
19 #include <linux/syscore_ops.h>
20 #include <linux/interrupt.h>
21 #include <linux/sched.h>
22 #include <linux/bitops.h>
24 #include <linux/ioport.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/partitions.h>
27 #include <linux/input.h>
28 #include <linux/gpio_keys.h>
29 #include <linux/pwm.h>
30 #include <linux/pwm_backlight.h>
31 #include <linux/smc91x.h>
32 #include <linux/platform_data/i2c-pxa.h>
33 #include <linux/slab.h>
34 #include <linux/leds.h>
36 #include <asm/types.h>
37 #include <asm/setup.h>
38 #include <asm/memory.h>
39 #include <asm/mach-types.h>
40 #include <mach/hardware.h>
42 #include <asm/sizes.h>
44 #include <asm/mach/arch.h>
45 #include <asm/mach/map.h>
46 #include <asm/mach/irq.h>
47 #include <asm/mach/flash.h>
50 #include <mach/mainstone.h>
51 #include <mach/audio.h>
52 #include <linux/platform_data/video-pxafb.h>
53 #include <linux/platform_data/mmc-pxamci.h>
54 #include <linux/platform_data/irda-pxaficp.h>
55 #include <linux/platform_data/usb-ohci-pxa27x.h>
56 #include <linux/platform_data/keypad-pxa27x.h>
57 #include <mach/smemc.h>
62 static unsigned long mainstone_pin_config[] = {
66 /* LCD - 16bpp Active TFT */
68 GPIO16_PWM0_OUT, /* Backlight */
96 GPIO29_AC97_SDATA_IN_0,
97 GPIO30_AC97_SDATA_OUT,
105 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
106 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
107 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
108 GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
109 GPIO98_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH,
110 GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
124 GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
127 static struct resource smc91x_resources[] = {
129 .start = (MST_ETH_PHYS + 0x300),
130 .end = (MST_ETH_PHYS + 0xfffff),
131 .flags = IORESOURCE_MEM,
134 .start = MAINSTONE_IRQ(3),
135 .end = MAINSTONE_IRQ(3),
136 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
140 static struct smc91x_platdata mainstone_smc91x_info = {
141 .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
142 SMC91X_NOWAIT | SMC91X_USE_DMA,
143 .pxa_u16_align4 = true,
146 static struct platform_device smc91x_device = {
149 .num_resources = ARRAY_SIZE(smc91x_resources),
150 .resource = smc91x_resources,
152 .platform_data = &mainstone_smc91x_info,
156 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
158 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
159 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
163 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
165 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
166 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
169 static long mst_audio_suspend_mask;
171 static void mst_audio_suspend(void *priv)
173 mst_audio_suspend_mask = MST_MSCWR2;
174 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
177 static void mst_audio_resume(void *priv)
179 MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
182 static pxa2xx_audio_ops_t mst_audio_ops = {
183 .startup = mst_audio_startup,
184 .shutdown = mst_audio_shutdown,
185 .suspend = mst_audio_suspend,
186 .resume = mst_audio_resume,
189 static struct resource flash_resources[] = {
191 .start = PXA_CS0_PHYS,
192 .end = PXA_CS0_PHYS + SZ_64M - 1,
193 .flags = IORESOURCE_MEM,
196 .start = PXA_CS1_PHYS,
197 .end = PXA_CS1_PHYS + SZ_64M - 1,
198 .flags = IORESOURCE_MEM,
202 static struct mtd_partition mainstoneflash0_partitions[] = {
204 .name = "Bootloader",
207 .mask_flags = MTD_WRITEABLE /* force read-only */
211 .offset = 0x00040000,
213 .name = "Filesystem",
214 .size = MTDPART_SIZ_FULL,
219 static struct flash_platform_data mst_flash_data[2] = {
221 .map_name = "cfi_probe",
222 .parts = mainstoneflash0_partitions,
223 .nr_parts = ARRAY_SIZE(mainstoneflash0_partitions),
225 .map_name = "cfi_probe",
231 static struct platform_device mst_flash_device[2] = {
233 .name = "pxa2xx-flash",
236 .platform_data = &mst_flash_data[0],
238 .resource = &flash_resources[0],
242 .name = "pxa2xx-flash",
245 .platform_data = &mst_flash_data[1],
247 .resource = &flash_resources[1],
252 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
253 static struct pwm_lookup mainstone_pwm_lookup[] = {
254 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 78770,
255 PWM_POLARITY_NORMAL),
258 static struct platform_pwm_backlight_data mainstone_backlight_data = {
259 .max_brightness = 1023,
260 .dft_brightness = 1023,
264 static struct platform_device mainstone_backlight_device = {
265 .name = "pwm-backlight",
267 .parent = &pxa27x_device_pwm0.dev,
268 .platform_data = &mainstone_backlight_data,
272 static void __init mainstone_backlight_register(void)
276 pwm_add_table(mainstone_pwm_lookup, ARRAY_SIZE(mainstone_pwm_lookup));
278 ret = platform_device_register(&mainstone_backlight_device);
280 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
281 pwm_remove_table(mainstone_pwm_lookup,
282 ARRAY_SIZE(mainstone_pwm_lookup));
286 #define mainstone_backlight_register() do { } while (0)
289 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
300 .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
303 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
314 .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
317 static struct pxafb_mach_info mainstone_pxafb_info = {
319 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
322 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
326 /* make sure SD/Memory Stick multiplexer's signals
327 * are routed to MMC controller
329 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
331 err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, 0,
332 "MMC card detect", data);
334 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
339 static int mainstone_mci_setpower(struct device *dev, unsigned int vdd)
341 struct pxamci_platform_data* p_d = dev->platform_data;
343 if (( 1 << vdd) & p_d->ocr_mask) {
344 printk(KERN_DEBUG "%s: on\n", __func__);
345 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
346 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
348 printk(KERN_DEBUG "%s: off\n", __func__);
349 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
354 static void mainstone_mci_exit(struct device *dev, void *data)
356 free_irq(MAINSTONE_MMC_IRQ, data);
359 static struct pxamci_platform_data mainstone_mci_platform_data = {
360 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
361 .init = mainstone_mci_init,
362 .setpower = mainstone_mci_setpower,
363 .exit = mainstone_mci_exit,
366 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
370 local_irq_save(flags);
371 if (mode & IR_SIRMODE) {
372 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
373 } else if (mode & IR_FIRMODE) {
374 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
376 pxa2xx_transceiver_mode(dev, mode);
378 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
380 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
382 local_irq_restore(flags);
385 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
387 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
388 .transceiver_mode = mainstone_irda_transceiver_mode,
391 static struct gpio_keys_button gpio_keys_button[] = {
401 static struct gpio_keys_platform_data mainstone_gpio_keys = {
402 .buttons = gpio_keys_button,
406 static struct platform_device mst_gpio_keys_device = {
410 .platform_data = &mainstone_gpio_keys,
414 static struct resource mst_cplds_resources[] = {
416 .start = MST_FPGA_PHYS + 0xc0,
417 .end = MST_FPGA_PHYS + 0xe0 - 1,
418 .flags = IORESOURCE_MEM,
421 .start = PXA_GPIO_TO_IRQ(0),
422 .end = PXA_GPIO_TO_IRQ(0),
423 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
426 .start = MAINSTONE_IRQ(0),
427 .end = MAINSTONE_IRQ(15),
428 .flags = IORESOURCE_IRQ,
432 static struct platform_device mst_cplds_device = {
433 .name = "pxa_cplds_irqs",
435 .resource = &mst_cplds_resources[0],
439 static struct platform_device *platform_devices[] __initdata = {
441 &mst_flash_device[0],
442 &mst_flash_device[1],
443 &mst_gpio_keys_device,
447 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
448 .port_mode = PMM_PERPORT_MODE,
449 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
452 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
453 static const unsigned int mainstone_matrix_keys[] = {
454 KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
455 KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
456 KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
457 KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
458 KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
459 KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
460 KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
461 KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
462 KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
464 KEY(0, 4, KEY_DOT), /* . */
465 KEY(1, 4, KEY_CLOSE), /* @ */
466 KEY(4, 4, KEY_SLASH),
467 KEY(5, 4, KEY_BACKSLASH),
469 KEY(1, 5, KEY_LEFTSHIFT),
470 KEY(2, 5, KEY_SPACE),
471 KEY(3, 5, KEY_SPACE),
472 KEY(4, 5, KEY_ENTER),
473 KEY(5, 5, KEY_BACKSPACE),
478 KEY(3, 6, KEY_RIGHT),
479 KEY(4, 6, KEY_SELECT),
482 static struct matrix_keymap_data mainstone_matrix_keymap_data = {
483 .keymap = mainstone_matrix_keys,
484 .keymap_size = ARRAY_SIZE(mainstone_matrix_keys),
487 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
488 .matrix_key_rows = 6,
489 .matrix_key_cols = 7,
490 .matrix_keymap_data = &mainstone_matrix_keymap_data,
493 .rotary0_up_key = KEY_UP,
494 .rotary0_down_key = KEY_DOWN,
496 .debounce_interval = 30,
499 static void __init mainstone_init_keypad(void)
501 pxa_set_keypad_info(&mainstone_keypad_info);
504 static inline void mainstone_init_keypad(void) {}
507 static void __init mainstone_init(void)
509 int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
511 pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
513 pxa_set_ffuart_info(NULL);
514 pxa_set_btuart_info(NULL);
515 pxa_set_stuart_info(NULL);
517 mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
518 mst_flash_data[1].width = 4;
520 /* Compensate for SW7 which swaps the flash banks */
521 mst_flash_data[SW7].name = "processor-flash";
522 mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
524 printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
525 mst_flash_data[0].name);
527 /* system bus arbiter setting
529 * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
531 ARB_CNTRL = ARB_CORE_PARK | 0x234;
533 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
535 /* reading Mainstone's "Virtual Configuration Register"
536 might be handy to select LCD type here */
538 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
540 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
542 pxa_set_fb_info(NULL, &mainstone_pxafb_info);
543 mainstone_backlight_register();
545 pxa_set_mci_info(&mainstone_mci_platform_data);
546 pxa_set_ficp_info(&mainstone_ficp_platform_data);
547 pxa_set_ohci_info(&mainstone_ohci_platform_data);
548 pxa_set_i2c_info(NULL);
549 pxa_set_ac97_info(&mst_audio_ops);
551 mainstone_init_keypad();
555 static struct map_desc mainstone_io_desc[] __initdata = {
557 .virtual = MST_FPGA_VIRT,
558 .pfn = __phys_to_pfn(MST_FPGA_PHYS),
559 .length = 0x00100000,
564 static void __init mainstone_map_io(void)
567 iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
569 /* for use I SRAM as framebuffer. */
575 * Driver for the 8 discrete LEDs available for general use:
576 * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
577 * so be sure to not monkey with them here.
580 #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
581 struct mainstone_led {
582 struct led_classdev cdev;
587 * The triggers lines up below will only be used if the
588 * LED triggers are compiled in.
590 static const struct {
593 } mainstone_leds[] = {
594 { "mainstone:D28", "default-on", },
595 { "mainstone:D27", "cpu0", },
596 { "mainstone:D26", "heartbeat" },
597 { "mainstone:D25", },
598 { "mainstone:D24", },
599 { "mainstone:D23", },
600 { "mainstone:D22", },
601 { "mainstone:D21", },
604 static void mainstone_led_set(struct led_classdev *cdev,
605 enum led_brightness b)
607 struct mainstone_led *led = container_of(cdev,
608 struct mainstone_led, cdev);
609 u32 reg = MST_LEDCTRL;
619 static enum led_brightness mainstone_led_get(struct led_classdev *cdev)
621 struct mainstone_led *led = container_of(cdev,
622 struct mainstone_led, cdev);
623 u32 reg = MST_LEDCTRL;
625 return (reg & led->mask) ? LED_FULL : LED_OFF;
628 static int __init mainstone_leds_init(void)
632 if (!machine_is_mainstone())
637 for (i = 0; i < ARRAY_SIZE(mainstone_leds); i++) {
638 struct mainstone_led *led;
640 led = kzalloc(sizeof(*led), GFP_KERNEL);
644 led->cdev.name = mainstone_leds[i].name;
645 led->cdev.brightness_set = mainstone_led_set;
646 led->cdev.brightness_get = mainstone_led_get;
647 led->cdev.default_trigger = mainstone_leds[i].trigger;
650 if (led_classdev_register(NULL, &led->cdev) < 0) {
660 * Since we may have triggers on any subsystem, defer registration
661 * until after subsystem_init.
663 fs_initcall(mainstone_leds_init);
666 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
667 /* Maintainer: MontaVista Software Inc. */
668 .atag_offset = 0x100, /* BLOB boot parameter setting */
669 .map_io = mainstone_map_io,
670 .nr_irqs = MAINSTONE_NR_IRQS,
671 .init_irq = pxa27x_init_irq,
672 .handle_irq = pxa27x_handle_irq,
673 .init_time = pxa_timer_init,
674 .init_machine = mainstone_init,
675 .restart = pxa_restart,