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/sysdev.h>
19 #include <linux/interrupt.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>
30 #include <asm/types.h>
31 #include <asm/setup.h>
32 #include <asm/memory.h>
33 #include <asm/mach-types.h>
35 #include <asm/sizes.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <asm/mach/irq.h>
40 #include <asm/mach/flash.h>
42 #include <mach/pxa27x.h>
43 #include <mach/pxa2xx_spi.h>
44 #include <mach/trizeps4.h>
45 #include <mach/audio.h>
46 #include <mach/pxafb.h>
48 #include <mach/irda.h>
49 #include <mach/ohci.h>
55 /* comment out the following line if you want to use the
56 * Standard UART from PXA for serial / irda transmission
57 * and acivate it if you have status leds connected */
58 #define STATUS_LEDS_ON_STUART_PINS 1
60 /*****************************************************************************
61 * MultiFunctionPins of CPU
62 *****************************************************************************/
63 static unsigned long trizeps4_pin_config[] __initdata = {
65 GPIO15_nCS_1, /* DiskOnChip CS */
66 GPIO93_GPIO, /* TRIZEPS4_DOC_IRQ */
67 GPIO94_GPIO, /* DOC lock */
69 GPIO78_nCS_2, /* DM9000 CS */
70 GPIO101_GPIO, /* TRIZEPS4_ETH_IRQ */
72 GPIO79_nCS_3, /* Logic CS */
73 GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* Logic irq */
75 /* LCD - 16bpp Active TFT */
111 #ifdef STATUS_LEDS_ON_STUART_PINS
119 GPIO11_GPIO, /* TRIZEPS4_CD_IRQ */
120 GPIO13_GPIO, /* TRIZEPS4_READY_NINT */
139 GPIO12_GPIO, /* TRIZEPS4_MMC_IRQ */
142 GPIO88_USBH1_PWR, /* USBHPWR1 */
143 GPIO89_USBH1_PEN, /* USBHPEN1 */
150 static unsigned long trizeps4wl_pin_config[] __initdata = {
154 GPIO53_GPIO, /* TRIZEPS4_SPI_IRQ */
159 /****************************************************************************
161 ****************************************************************************/
162 static struct mtd_partition trizeps4_partitions[] = {
164 .name = "Bootloader",
165 .offset = 0x00000000,
167 .mask_flags = MTD_WRITEABLE /* force read-only */
170 .offset = 0x00040000,
174 .offset = 0x00080000,
178 .offset = 0x01100000,
182 .offset = 0x01f00000,
183 .size = MTDPART_SIZ_FULL,
187 static struct physmap_flash_data trizeps4_flash_data[] = {
189 .width = 4, /* bankwidth in bytes */
190 .parts = trizeps4_partitions,
191 .nr_parts = ARRAY_SIZE(trizeps4_partitions)
195 static struct resource flash_resource = {
196 .start = PXA_CS0_PHYS,
197 .end = PXA_CS0_PHYS + SZ_32M - 1,
198 .flags = IORESOURCE_MEM,
201 static struct platform_device flash_device = {
202 .name = "physmap-flash",
205 .platform_data = trizeps4_flash_data,
207 .resource = &flash_resource,
211 /****************************************************************************
212 * DAVICOM DM9000 Ethernet
213 ****************************************************************************/
214 static struct resource dm9000_resources[] = {
216 .start = TRIZEPS4_ETH_PHYS+0x300,
217 .end = TRIZEPS4_ETH_PHYS+0x400-1,
218 .flags = IORESOURCE_MEM,
221 .start = TRIZEPS4_ETH_PHYS+0x8300,
222 .end = TRIZEPS4_ETH_PHYS+0x8400-1,
223 .flags = IORESOURCE_MEM,
226 .start = TRIZEPS4_ETH_IRQ,
227 .end = TRIZEPS4_ETH_IRQ,
228 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
232 static struct dm9000_plat_data tri_dm9000_platdata = {
233 .flags = DM9000_PLATF_32BITONLY,
236 static struct platform_device dm9000_device = {
239 .num_resources = ARRAY_SIZE(dm9000_resources),
240 .resource = dm9000_resources,
242 .platform_data = &tri_dm9000_platdata,
246 /****************************************************************************
247 * LED's on GPIO pins of PXA
248 ****************************************************************************/
249 static struct gpio_led trizeps4_led[] = {
250 #ifdef STATUS_LEDS_ON_STUART_PINS
252 .name = "led0:orange:heartbeat", /* */
253 .default_trigger = "heartbeat",
254 .gpio = GPIO_HEARTBEAT_LED,
258 .name = "led1:yellow:cpubusy", /* */
259 .default_trigger = "cpu-busy",
260 .gpio = GPIO_SYS_BUSY_LED,
266 static struct gpio_led_platform_data trizeps4_led_data = {
267 .leds = trizeps4_led,
268 .num_leds = ARRAY_SIZE(trizeps4_led),
271 static struct platform_device leds_devices = {
275 .platform_data = &trizeps4_led_data,
279 static struct platform_device *trizeps4_devices[] __initdata = {
285 static struct platform_device *trizeps4wl_devices[] __initdata = {
290 static short trizeps_conxs_bcr;
292 /* PCCARD power switching supports only 3,3V */
293 void board_pcmcia_power(int power)
296 /* switch power on, put in reset and enable buffers */
297 trizeps_conxs_bcr |= power;
298 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
299 trizeps_conxs_bcr &= ~ConXS_BCR_CF_BUF_EN;
300 BCR_writew(trizeps_conxs_bcr);
303 /* take reset away */
304 trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET;
305 BCR_writew(trizeps_conxs_bcr);
309 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
310 BCR_writew(trizeps_conxs_bcr);
312 /* switch power off */
313 trizeps_conxs_bcr &= ~0xf;
314 BCR_writew(trizeps_conxs_bcr);
316 pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff",
319 EXPORT_SYMBOL(board_pcmcia_power);
321 /* backlight power switching for LCD panel */
322 static void board_backlight_power(int on)
325 trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
327 trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
329 pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff",
331 BCR_writew(trizeps_conxs_bcr);
334 /* a I2C based RTC is known on CONXS board */
335 static struct i2c_board_info trizeps4_i2c_devices[] __initdata = {
336 { I2C_BOARD_INFO("rtc-pcf8593", 0x51) }
339 /****************************************************************************
340 * MMC card slot external to module
341 ****************************************************************************/
342 static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int,
347 err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
348 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_SAMPLE_RANDOM,
349 "MMC card detect", data);
351 printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request"
352 "MMC card detect IRQ\n");
358 static void trizeps4_mci_exit(struct device *dev, void *data)
360 free_irq(TRIZEPS4_MMC_IRQ, data);
363 static struct pxamci_platform_data trizeps4_mci_platform_data = {
364 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
366 .init = trizeps4_mci_init,
367 .exit = trizeps4_mci_exit,
368 .get_ro = NULL, /* write-protection not supported */
369 .setpower = NULL, /* power-switching not supported */
370 .gpio_card_detect = -1,
375 /****************************************************************************
376 * IRDA mode switching on stuart
377 ****************************************************************************/
378 #ifndef STATUS_LEDS_ON_STUART_PINS
379 static short trizeps_conxs_ircr;
381 static int trizeps4_irda_startup(struct device *dev)
383 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
384 IRCR_writew(trizeps_conxs_ircr);
388 static void trizeps4_irda_shutdown(struct device *dev)
390 trizeps_conxs_ircr |= ConXS_IRCR_SD;
391 IRCR_writew(trizeps_conxs_ircr);
394 static void trizeps4_irda_transceiver_mode(struct device *dev, int mode)
398 local_irq_save(flags);
400 if (mode & IR_SIRMODE)
401 trizeps_conxs_ircr &= ~ConXS_IRCR_MODE; /* Slow mode */
402 else if (mode & IR_FIRMODE)
403 trizeps_conxs_ircr |= ConXS_IRCR_MODE; /* Fast mode */
407 trizeps_conxs_ircr |= ConXS_IRCR_SD;
409 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
411 IRCR_writew(trizeps_conxs_ircr);
412 local_irq_restore(flags);
414 pxa2xx_transceiver_mode(dev, mode);
417 static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
419 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
420 .transceiver_mode = trizeps4_irda_transceiver_mode,
421 .startup = trizeps4_irda_startup,
422 .shutdown = trizeps4_irda_shutdown,
426 /****************************************************************************
428 ****************************************************************************/
429 static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
430 .port_mode = PMM_PERPORT_MODE,
431 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
434 static struct map_desc trizeps4_io_desc[] __initdata = {
436 .virtual = TRIZEPS4_CFSR_VIRT,
437 .pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
438 .length = 0x00001000,
442 .virtual = TRIZEPS4_BOCR_VIRT,
443 .pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
444 .length = 0x00001000,
448 .virtual = TRIZEPS4_IRCR_VIRT,
449 .pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
450 .length = 0x00001000,
454 .virtual = TRIZEPS4_DICR_VIRT,
455 .pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
456 .length = 0x00001000,
460 .virtual = TRIZEPS4_UPSR_VIRT,
461 .pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
462 .length = 0x00001000,
467 static struct pxafb_mode_info sharp_lcd_mode = {
478 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
482 static struct pxafb_mach_info sharp_lcd = {
483 .modes = &sharp_lcd_mode,
485 .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL,
488 .pxafb_backlight_power = board_backlight_power,
491 static struct pxafb_mode_info toshiba_lcd_mode = {
506 static struct pxafb_mach_info toshiba_lcd = {
507 .modes = &toshiba_lcd_mode,
509 .lcd_conn = (LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL),
512 .pxafb_backlight_power = board_backlight_power,
515 static void __init trizeps4_init(void)
517 pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4_pin_config));
518 if (machine_is_trizeps4wl()) {
519 pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4wl_pin_config));
520 platform_add_devices(trizeps4wl_devices,
521 ARRAY_SIZE(trizeps4wl_devices));
523 platform_add_devices(trizeps4_devices,
524 ARRAY_SIZE(trizeps4_devices));
527 pxa_set_ffuart_info(NULL);
528 pxa_set_btuart_info(NULL);
529 pxa_set_stuart_info(NULL);
531 if (0) /* dont know how to determine LCD */
532 set_pxa_fb_info(&sharp_lcd);
534 set_pxa_fb_info(&toshiba_lcd);
536 pxa_set_mci_info(&trizeps4_mci_platform_data);
537 #ifndef STATUS_LEDS_ON_STUART_PINS
538 pxa_set_ficp_info(&trizeps4_ficp_platform_data);
540 pxa_set_ohci_info(&trizeps4_ohci_platform_data);
541 pxa_set_ac97_info(NULL);
542 pxa_set_i2c_info(NULL);
543 i2c_register_board_info(0, trizeps4_i2c_devices,
544 ARRAY_SIZE(trizeps4_i2c_devices));
546 #ifdef CONFIG_IDE_PXA_CF
547 /* if boot direct from compact flash dont disable power */
548 trizeps_conxs_bcr = 0x0009;
550 /* this is the reset value */
551 trizeps_conxs_bcr = 0x00A0;
553 BCR_writew(trizeps_conxs_bcr);
554 board_backlight_power(1);
557 static void __init trizeps4_map_io(void)
560 iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
562 if ((MSC0 & 0x8) && (BOOT_DEF & 0x1)) {
563 /* if flash is 16 bit wide its a Trizeps4 WL */
564 __machine_arch_type = MACH_TYPE_TRIZEPS4WL;
565 trizeps4_flash_data[0].width = 2;
567 /* if flash is 32 bit wide its a Trizeps4 */
568 __machine_arch_type = MACH_TYPE_TRIZEPS4;
569 trizeps4_flash_data[0].width = 4;
573 MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
574 /* MAINTAINER("Jürgen Schindele") */
575 .phys_io = 0x40000000,
576 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
577 .boot_params = TRIZEPS4_SDRAM_BASE + 0x100,
578 .init_machine = trizeps4_init,
579 .map_io = trizeps4_map_io,
580 .init_irq = pxa27x_init_irq,
584 MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module")
585 /* MAINTAINER("Jürgen Schindele") */
586 .phys_io = 0x40000000,
587 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
588 .boot_params = TRIZEPS4_SDRAM_BASE + 0x100,
589 .init_machine = trizeps4_init,
590 .map_io = trizeps4_map_io,
591 .init_irq = pxa27x_init_irq,