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/i2c/pxa-i2c.h>
31 #include <asm/types.h>
32 #include <asm/setup.h>
33 #include <asm/memory.h>
34 #include <asm/mach-types.h>
36 #include <asm/sizes.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/irq.h>
41 #include <asm/mach/flash.h>
43 #include <mach/pxa27x.h>
44 #include <mach/trizeps4.h>
45 #include <mach/audio.h>
46 #include <linux/platform_data/video-pxafb.h>
47 #include <linux/platform_data/mmc-pxamci.h>
48 #include <linux/platform_data/irda-pxaficp.h>
49 #include <linux/platform_data/usb-ohci-pxa27x.h>
50 #include <mach/smemc.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 */
77 GPIO29_AC97_SDATA_IN_0,
78 GPIO30_AC97_SDATA_OUT,
81 /* LCD - 16bpp Active TFT */
98 #ifdef STATUS_LEDS_ON_STUART_PINS
106 GPIO11_GPIO, /* TRIZEPS4_CD_IRQ */
107 GPIO13_GPIO, /* TRIZEPS4_READY_NINT */
126 GPIO12_GPIO, /* TRIZEPS4_MMC_IRQ */
129 GPIO88_USBH1_PWR, /* USBHPWR1 */
130 GPIO89_USBH1_PEN, /* USBHPEN1 */
137 static unsigned long trizeps4wl_pin_config[] __initdata = {
141 GPIO53_GPIO, /* TRIZEPS4_SPI_IRQ */
146 /****************************************************************************
148 ****************************************************************************/
149 static struct mtd_partition trizeps4_partitions[] = {
151 .name = "Bootloader",
152 .offset = 0x00000000,
154 .mask_flags = MTD_WRITEABLE /* force read-only */
157 .offset = 0x00040000,
161 .offset = 0x00080000,
165 .offset = 0x01100000,
169 .offset = 0x01f00000,
170 .size = MTDPART_SIZ_FULL,
174 static struct physmap_flash_data trizeps4_flash_data[] = {
176 .width = 4, /* bankwidth in bytes */
177 .parts = trizeps4_partitions,
178 .nr_parts = ARRAY_SIZE(trizeps4_partitions)
182 static struct resource flash_resource = {
183 .start = PXA_CS0_PHYS,
184 .end = PXA_CS0_PHYS + SZ_32M - 1,
185 .flags = IORESOURCE_MEM,
188 static struct platform_device flash_device = {
189 .name = "physmap-flash",
192 .platform_data = trizeps4_flash_data,
194 .resource = &flash_resource,
198 /****************************************************************************
199 * DAVICOM DM9000 Ethernet
200 ****************************************************************************/
201 static struct resource dm9000_resources[] = {
203 .start = TRIZEPS4_ETH_PHYS+0x300,
204 .end = TRIZEPS4_ETH_PHYS+0x400-1,
205 .flags = IORESOURCE_MEM,
208 .start = TRIZEPS4_ETH_PHYS+0x8300,
209 .end = TRIZEPS4_ETH_PHYS+0x8400-1,
210 .flags = IORESOURCE_MEM,
213 .start = TRIZEPS4_ETH_IRQ,
214 .end = TRIZEPS4_ETH_IRQ,
215 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
219 static struct dm9000_plat_data tri_dm9000_platdata = {
220 .flags = DM9000_PLATF_32BITONLY,
223 static struct platform_device dm9000_device = {
226 .num_resources = ARRAY_SIZE(dm9000_resources),
227 .resource = dm9000_resources,
229 .platform_data = &tri_dm9000_platdata,
233 /****************************************************************************
234 * LED's on GPIO pins of PXA
235 ****************************************************************************/
236 static struct gpio_led trizeps4_led[] = {
237 #ifdef STATUS_LEDS_ON_STUART_PINS
239 .name = "led0:orange:heartbeat", /* */
240 .default_trigger = "heartbeat",
241 .gpio = GPIO_HEARTBEAT_LED,
245 .name = "led1:yellow:cpubusy", /* */
246 .default_trigger = "cpu-busy",
247 .gpio = GPIO_SYS_BUSY_LED,
253 static struct gpio_led_platform_data trizeps4_led_data = {
254 .leds = trizeps4_led,
255 .num_leds = ARRAY_SIZE(trizeps4_led),
258 static struct platform_device leds_devices = {
262 .platform_data = &trizeps4_led_data,
266 static struct platform_device *trizeps4_devices[] __initdata = {
272 static struct platform_device *trizeps4wl_devices[] __initdata = {
277 static short trizeps_conxs_bcr;
279 /* PCCARD power switching supports only 3,3V */
280 void board_pcmcia_power(int power)
283 /* switch power on, put in reset and enable buffers */
284 trizeps_conxs_bcr |= power;
285 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
286 trizeps_conxs_bcr &= ~ConXS_BCR_CF_BUF_EN;
287 BCR_writew(trizeps_conxs_bcr);
290 /* take reset away */
291 trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET;
292 BCR_writew(trizeps_conxs_bcr);
296 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
297 BCR_writew(trizeps_conxs_bcr);
299 /* switch power off */
300 trizeps_conxs_bcr &= ~0xf;
301 BCR_writew(trizeps_conxs_bcr);
303 pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff",
306 EXPORT_SYMBOL(board_pcmcia_power);
308 /* backlight power switching for LCD panel */
309 static void board_backlight_power(int on)
312 trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
314 trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
316 pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff",
318 BCR_writew(trizeps_conxs_bcr);
321 /* a I2C based RTC is known on CONXS board */
322 static struct i2c_board_info trizeps4_i2c_devices[] __initdata = {
323 { I2C_BOARD_INFO("rtc-pcf8593", 0x51) }
326 /****************************************************************************
327 * MMC card slot external to module
328 ****************************************************************************/
329 static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int,
334 err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
335 IRQF_TRIGGER_RISING, "MMC card detect", data);
337 printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request"
338 "MMC card detect IRQ\n");
344 static void trizeps4_mci_exit(struct device *dev, void *data)
346 free_irq(TRIZEPS4_MMC_IRQ, data);
349 static struct pxamci_platform_data trizeps4_mci_platform_data = {
350 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
351 .detect_delay_ms= 10,
352 .init = trizeps4_mci_init,
353 .exit = trizeps4_mci_exit,
354 .get_ro = NULL, /* write-protection not supported */
355 .setpower = NULL, /* power-switching not supported */
356 .gpio_card_detect = -1,
361 /****************************************************************************
362 * IRDA mode switching on stuart
363 ****************************************************************************/
364 #ifndef STATUS_LEDS_ON_STUART_PINS
365 static short trizeps_conxs_ircr;
367 static int trizeps4_irda_startup(struct device *dev)
369 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
370 IRCR_writew(trizeps_conxs_ircr);
374 static void trizeps4_irda_shutdown(struct device *dev)
376 trizeps_conxs_ircr |= ConXS_IRCR_SD;
377 IRCR_writew(trizeps_conxs_ircr);
380 static void trizeps4_irda_transceiver_mode(struct device *dev, int mode)
384 local_irq_save(flags);
386 if (mode & IR_SIRMODE)
387 trizeps_conxs_ircr &= ~ConXS_IRCR_MODE; /* Slow mode */
388 else if (mode & IR_FIRMODE)
389 trizeps_conxs_ircr |= ConXS_IRCR_MODE; /* Fast mode */
393 trizeps_conxs_ircr |= ConXS_IRCR_SD;
395 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
397 IRCR_writew(trizeps_conxs_ircr);
398 local_irq_restore(flags);
400 pxa2xx_transceiver_mode(dev, mode);
403 static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
405 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
406 .transceiver_mode = trizeps4_irda_transceiver_mode,
407 .startup = trizeps4_irda_startup,
408 .shutdown = trizeps4_irda_shutdown,
412 /****************************************************************************
414 ****************************************************************************/
415 static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
416 .port_mode = PMM_PERPORT_MODE,
417 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
420 static struct map_desc trizeps4_io_desc[] __initdata = {
422 .virtual = TRIZEPS4_CFSR_VIRT,
423 .pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
424 .length = 0x00001000,
428 .virtual = TRIZEPS4_BOCR_VIRT,
429 .pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
430 .length = 0x00001000,
434 .virtual = TRIZEPS4_IRCR_VIRT,
435 .pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
436 .length = 0x00001000,
440 .virtual = TRIZEPS4_DICR_VIRT,
441 .pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
442 .length = 0x00001000,
446 .virtual = TRIZEPS4_UPSR_VIRT,
447 .pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
448 .length = 0x00001000,
453 static struct pxafb_mode_info sharp_lcd_mode = {
464 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
468 static struct pxafb_mach_info sharp_lcd = {
469 .modes = &sharp_lcd_mode,
471 .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL,
474 .pxafb_backlight_power = board_backlight_power,
477 static struct pxafb_mode_info toshiba_lcd_mode = {
492 static struct pxafb_mach_info toshiba_lcd = {
493 .modes = &toshiba_lcd_mode,
495 .lcd_conn = (LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL),
498 .pxafb_backlight_power = board_backlight_power,
501 static void __init trizeps4_init(void)
503 pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4_pin_config));
504 if (machine_is_trizeps4wl()) {
505 pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4wl_pin_config));
506 platform_add_devices(trizeps4wl_devices,
507 ARRAY_SIZE(trizeps4wl_devices));
509 platform_add_devices(trizeps4_devices,
510 ARRAY_SIZE(trizeps4_devices));
513 pxa_set_ffuart_info(NULL);
514 pxa_set_btuart_info(NULL);
515 pxa_set_stuart_info(NULL);
517 if (0) /* dont know how to determine LCD */
518 pxa_set_fb_info(NULL, &sharp_lcd);
520 pxa_set_fb_info(NULL, &toshiba_lcd);
522 pxa_set_mci_info(&trizeps4_mci_platform_data);
523 #ifndef STATUS_LEDS_ON_STUART_PINS
524 pxa_set_ficp_info(&trizeps4_ficp_platform_data);
526 pxa_set_ohci_info(&trizeps4_ohci_platform_data);
527 pxa_set_ac97_info(NULL);
528 pxa_set_i2c_info(NULL);
529 i2c_register_board_info(0, trizeps4_i2c_devices,
530 ARRAY_SIZE(trizeps4_i2c_devices));
532 /* this is the reset value */
533 trizeps_conxs_bcr = 0x00A0;
535 BCR_writew(trizeps_conxs_bcr);
536 board_backlight_power(1);
539 static void __init trizeps4_map_io(void)
542 iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
544 if ((__raw_readl(MSC0) & 0x8) && (__raw_readl(BOOT_DEF) & 0x1)) {
545 /* if flash is 16 bit wide its a Trizeps4 WL */
546 __machine_arch_type = MACH_TYPE_TRIZEPS4WL;
547 trizeps4_flash_data[0].width = 2;
549 /* if flash is 32 bit wide its a Trizeps4 */
550 __machine_arch_type = MACH_TYPE_TRIZEPS4;
551 trizeps4_flash_data[0].width = 4;
555 MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
556 /* MAINTAINER("Jürgen Schindele") */
557 .atag_offset = 0x100,
558 .init_machine = trizeps4_init,
559 .map_io = trizeps4_map_io,
560 .nr_irqs = PXA_NR_IRQS,
561 .init_irq = pxa27x_init_irq,
562 .handle_irq = pxa27x_handle_irq,
563 .init_time = pxa_timer_init,
564 .restart = pxa_restart,
567 MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module")
568 /* MAINTAINER("Jürgen Schindele") */
569 .atag_offset = 0x100,
570 .init_machine = trizeps4_init,
571 .map_io = trizeps4_map_io,
572 .nr_irqs = PXA_NR_IRQS,
573 .init_irq = pxa27x_init_irq,
574 .handle_irq = pxa27x_handle_irq,
575 .init_time = pxa_timer_init,
576 .restart = pxa_restart,