2 * linux/arch/arm/mach-pxa/trizeps4.c
4 * Support for the Keith und Koep Trizeps4 Module Platform.
6 * Author: Jürgen Schindele
8 * Copyright: Jürgen Schindele
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.
15 #include <linux/init.h>
16 #include <linux/kernel.h>
17 #include <linux/platform_device.h>
18 #include <linux/interrupt.h>
19 #include <linux/export.h>
20 #include <linux/sched.h>
21 #include <linux/bitops.h>
23 #include <linux/ioport.h>
24 #include <linux/delay.h>
25 #include <linux/gpio.h>
26 #include <linux/dm9000.h>
27 #include <linux/mtd/physmap.h>
28 #include <linux/mtd/partitions.h>
29 #include <linux/regulator/machine.h>
30 #include <linux/i2c/pxa-i2c.h>
32 #include <asm/types.h>
33 #include <asm/setup.h>
34 #include <asm/memory.h>
35 #include <asm/mach-types.h>
37 #include <asm/sizes.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/map.h>
41 #include <asm/mach/irq.h>
42 #include <asm/mach/flash.h>
44 #include <mach/pxa27x.h>
45 #include <mach/trizeps4.h>
46 #include <mach/audio.h>
47 #include <linux/platform_data/video-pxafb.h>
48 #include <linux/platform_data/mmc-pxamci.h>
49 #include <linux/platform_data/irda-pxaficp.h>
50 #include <linux/platform_data/usb-ohci-pxa27x.h>
51 #include <mach/smemc.h>
56 /* comment out the following line if you want to use the
57 * Standard UART from PXA for serial / irda transmission
58 * and acivate it if you have status leds connected */
59 #define STATUS_LEDS_ON_STUART_PINS 1
61 /*****************************************************************************
62 * MultiFunctionPins of CPU
63 *****************************************************************************/
64 static unsigned long trizeps4_pin_config[] __initdata = {
66 GPIO15_nCS_1, /* DiskOnChip CS */
67 GPIO93_GPIO, /* TRIZEPS4_DOC_IRQ */
68 GPIO94_GPIO, /* DOC lock */
70 GPIO78_nCS_2, /* DM9000 CS */
71 GPIO101_GPIO, /* TRIZEPS4_ETH_IRQ */
73 GPIO79_nCS_3, /* Logic CS */
74 GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* Logic irq */
78 GPIO29_AC97_SDATA_IN_0,
79 GPIO30_AC97_SDATA_OUT,
82 /* LCD - 16bpp Active TFT */
99 #ifdef STATUS_LEDS_ON_STUART_PINS
107 GPIO11_GPIO, /* TRIZEPS4_CD_IRQ */
108 GPIO13_GPIO, /* TRIZEPS4_READY_NINT */
127 GPIO12_GPIO, /* TRIZEPS4_MMC_IRQ */
130 GPIO88_USBH1_PWR, /* USBHPWR1 */
131 GPIO89_USBH1_PEN, /* USBHPEN1 */
138 static unsigned long trizeps4wl_pin_config[] __initdata = {
142 GPIO53_GPIO, /* TRIZEPS4_SPI_IRQ */
147 /****************************************************************************
149 ****************************************************************************/
150 static struct mtd_partition trizeps4_partitions[] = {
152 .name = "Bootloader",
153 .offset = 0x00000000,
155 .mask_flags = MTD_WRITEABLE /* force read-only */
158 .offset = 0x00040000,
162 .offset = 0x00080000,
166 .offset = 0x01100000,
170 .offset = 0x01f00000,
171 .size = MTDPART_SIZ_FULL,
175 static struct physmap_flash_data trizeps4_flash_data[] = {
177 .width = 4, /* bankwidth in bytes */
178 .parts = trizeps4_partitions,
179 .nr_parts = ARRAY_SIZE(trizeps4_partitions)
183 static struct resource flash_resource = {
184 .start = PXA_CS0_PHYS,
185 .end = PXA_CS0_PHYS + SZ_32M - 1,
186 .flags = IORESOURCE_MEM,
189 static struct platform_device flash_device = {
190 .name = "physmap-flash",
193 .platform_data = trizeps4_flash_data,
195 .resource = &flash_resource,
199 /****************************************************************************
200 * DAVICOM DM9000 Ethernet
201 ****************************************************************************/
202 static struct resource dm9000_resources[] = {
204 .start = TRIZEPS4_ETH_PHYS+0x300,
205 .end = TRIZEPS4_ETH_PHYS+0x400-1,
206 .flags = IORESOURCE_MEM,
209 .start = TRIZEPS4_ETH_PHYS+0x8300,
210 .end = TRIZEPS4_ETH_PHYS+0x8400-1,
211 .flags = IORESOURCE_MEM,
214 .start = TRIZEPS4_ETH_IRQ,
215 .end = TRIZEPS4_ETH_IRQ,
216 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
220 static struct dm9000_plat_data tri_dm9000_platdata = {
221 .flags = DM9000_PLATF_32BITONLY,
224 static struct platform_device dm9000_device = {
227 .num_resources = ARRAY_SIZE(dm9000_resources),
228 .resource = dm9000_resources,
230 .platform_data = &tri_dm9000_platdata,
234 /****************************************************************************
235 * LED's on GPIO pins of PXA
236 ****************************************************************************/
237 static struct gpio_led trizeps4_led[] = {
238 #ifdef STATUS_LEDS_ON_STUART_PINS
240 .name = "led0:orange:heartbeat", /* */
241 .default_trigger = "heartbeat",
242 .gpio = GPIO_HEARTBEAT_LED,
246 .name = "led1:yellow:cpubusy", /* */
247 .default_trigger = "cpu-busy",
248 .gpio = GPIO_SYS_BUSY_LED,
254 static struct gpio_led_platform_data trizeps4_led_data = {
255 .leds = trizeps4_led,
256 .num_leds = ARRAY_SIZE(trizeps4_led),
259 static struct platform_device leds_devices = {
263 .platform_data = &trizeps4_led_data,
267 static struct platform_device *trizeps4_devices[] __initdata = {
273 static struct platform_device *trizeps4wl_devices[] __initdata = {
278 static short trizeps_conxs_bcr;
280 /* PCCARD power switching supports only 3,3V */
281 void board_pcmcia_power(int power)
284 /* switch power on, put in reset and enable buffers */
285 trizeps_conxs_bcr |= power;
286 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
287 trizeps_conxs_bcr &= ~ConXS_BCR_CF_BUF_EN;
288 BCR_writew(trizeps_conxs_bcr);
291 /* take reset away */
292 trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET;
293 BCR_writew(trizeps_conxs_bcr);
297 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
298 BCR_writew(trizeps_conxs_bcr);
300 /* switch power off */
301 trizeps_conxs_bcr &= ~0xf;
302 BCR_writew(trizeps_conxs_bcr);
304 pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff",
307 EXPORT_SYMBOL(board_pcmcia_power);
309 /* backlight power switching for LCD panel */
310 static void board_backlight_power(int on)
313 trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
315 trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
317 pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff",
319 BCR_writew(trizeps_conxs_bcr);
322 /* a I2C based RTC is known on CONXS board */
323 static struct i2c_board_info trizeps4_i2c_devices[] __initdata = {
324 { I2C_BOARD_INFO("rtc-pcf8593", 0x51) }
327 /****************************************************************************
328 * MMC card slot external to module
329 ****************************************************************************/
330 static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int,
335 err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
336 IRQF_TRIGGER_RISING, "MMC card detect", data);
338 printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request"
339 "MMC card detect IRQ\n");
345 static void trizeps4_mci_exit(struct device *dev, void *data)
347 free_irq(TRIZEPS4_MMC_IRQ, data);
350 static struct pxamci_platform_data trizeps4_mci_platform_data = {
351 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
352 .detect_delay_ms= 10,
353 .init = trizeps4_mci_init,
354 .exit = trizeps4_mci_exit,
355 .get_ro = NULL, /* write-protection not supported */
356 .setpower = NULL, /* power-switching not supported */
357 .gpio_card_detect = -1,
362 /****************************************************************************
363 * IRDA mode switching on stuart
364 ****************************************************************************/
365 #ifndef STATUS_LEDS_ON_STUART_PINS
366 static short trizeps_conxs_ircr;
368 static int trizeps4_irda_startup(struct device *dev)
370 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
371 IRCR_writew(trizeps_conxs_ircr);
375 static void trizeps4_irda_shutdown(struct device *dev)
377 trizeps_conxs_ircr |= ConXS_IRCR_SD;
378 IRCR_writew(trizeps_conxs_ircr);
381 static void trizeps4_irda_transceiver_mode(struct device *dev, int mode)
385 local_irq_save(flags);
387 if (mode & IR_SIRMODE)
388 trizeps_conxs_ircr &= ~ConXS_IRCR_MODE; /* Slow mode */
389 else if (mode & IR_FIRMODE)
390 trizeps_conxs_ircr |= ConXS_IRCR_MODE; /* Fast mode */
394 trizeps_conxs_ircr |= ConXS_IRCR_SD;
396 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
398 IRCR_writew(trizeps_conxs_ircr);
399 local_irq_restore(flags);
401 pxa2xx_transceiver_mode(dev, mode);
404 static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
406 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
407 .transceiver_mode = trizeps4_irda_transceiver_mode,
408 .startup = trizeps4_irda_startup,
409 .shutdown = trizeps4_irda_shutdown,
413 /****************************************************************************
415 ****************************************************************************/
416 static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
417 .port_mode = PMM_PERPORT_MODE,
418 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
421 static struct map_desc trizeps4_io_desc[] __initdata = {
423 .virtual = TRIZEPS4_CFSR_VIRT,
424 .pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
425 .length = 0x00001000,
429 .virtual = TRIZEPS4_BOCR_VIRT,
430 .pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
431 .length = 0x00001000,
435 .virtual = TRIZEPS4_IRCR_VIRT,
436 .pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
437 .length = 0x00001000,
441 .virtual = TRIZEPS4_DICR_VIRT,
442 .pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
443 .length = 0x00001000,
447 .virtual = TRIZEPS4_UPSR_VIRT,
448 .pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
449 .length = 0x00001000,
454 static struct pxafb_mode_info sharp_lcd_mode = {
465 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
469 static struct pxafb_mach_info sharp_lcd = {
470 .modes = &sharp_lcd_mode,
472 .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL,
475 .pxafb_backlight_power = board_backlight_power,
478 static struct pxafb_mode_info toshiba_lcd_mode = {
493 static struct pxafb_mach_info toshiba_lcd = {
494 .modes = &toshiba_lcd_mode,
496 .lcd_conn = (LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL),
499 .pxafb_backlight_power = board_backlight_power,
502 static void __init trizeps4_init(void)
504 pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4_pin_config));
505 if (machine_is_trizeps4wl()) {
506 pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4wl_pin_config));
507 platform_add_devices(trizeps4wl_devices,
508 ARRAY_SIZE(trizeps4wl_devices));
510 platform_add_devices(trizeps4_devices,
511 ARRAY_SIZE(trizeps4_devices));
514 pxa_set_ffuart_info(NULL);
515 pxa_set_btuart_info(NULL);
516 pxa_set_stuart_info(NULL);
518 if (0) /* dont know how to determine LCD */
519 pxa_set_fb_info(NULL, &sharp_lcd);
521 pxa_set_fb_info(NULL, &toshiba_lcd);
523 pxa_set_mci_info(&trizeps4_mci_platform_data);
524 #ifndef STATUS_LEDS_ON_STUART_PINS
525 pxa_set_ficp_info(&trizeps4_ficp_platform_data);
527 pxa_set_ohci_info(&trizeps4_ohci_platform_data);
528 pxa_set_ac97_info(NULL);
529 pxa_set_i2c_info(NULL);
530 i2c_register_board_info(0, trizeps4_i2c_devices,
531 ARRAY_SIZE(trizeps4_i2c_devices));
533 /* this is the reset value */
534 trizeps_conxs_bcr = 0x00A0;
536 BCR_writew(trizeps_conxs_bcr);
537 board_backlight_power(1);
539 regulator_has_full_constraints();
542 static void __init trizeps4_map_io(void)
545 iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
547 if ((__raw_readl(MSC0) & 0x8) && (__raw_readl(BOOT_DEF) & 0x1)) {
548 /* if flash is 16 bit wide its a Trizeps4 WL */
549 __machine_arch_type = MACH_TYPE_TRIZEPS4WL;
550 trizeps4_flash_data[0].width = 2;
552 /* if flash is 32 bit wide its a Trizeps4 */
553 __machine_arch_type = MACH_TYPE_TRIZEPS4;
554 trizeps4_flash_data[0].width = 4;
558 MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
559 /* MAINTAINER("Jürgen Schindele") */
560 .atag_offset = 0x100,
561 .init_machine = trizeps4_init,
562 .map_io = trizeps4_map_io,
563 .nr_irqs = PXA_NR_IRQS,
564 .init_irq = pxa27x_init_irq,
565 .handle_irq = pxa27x_handle_irq,
566 .init_time = pxa_timer_init,
567 .restart = pxa_restart,
570 MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module")
571 /* MAINTAINER("Jürgen Schindele") */
572 .atag_offset = 0x100,
573 .init_machine = trizeps4_init,
574 .map_io = trizeps4_map_io,
575 .nr_irqs = PXA_NR_IRQS,
576 .init_irq = pxa27x_init_irq,
577 .handle_irq = pxa27x_handle_irq,
578 .init_time = pxa_timer_init,
579 .restart = pxa_restart,