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/sched.h>
20 #include <linux/bitops.h>
22 #include <linux/ioport.h>
23 #include <linux/delay.h>
24 #include <linux/gpio.h>
25 #include <linux/dm9000.h>
26 #include <linux/mtd/physmap.h>
27 #include <linux/mtd/partitions.h>
28 #include <linux/i2c/pxa-i2c.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/trizeps4.h>
44 #include <mach/audio.h>
45 #include <mach/pxafb.h>
47 #include <mach/irda.h>
48 #include <mach/ohci.h>
49 #include <mach/smemc.h>
54 /* comment out the following line if you want to use the
55 * Standard UART from PXA for serial / irda transmission
56 * and acivate it if you have status leds connected */
57 #define STATUS_LEDS_ON_STUART_PINS 1
59 /*****************************************************************************
60 * MultiFunctionPins of CPU
61 *****************************************************************************/
62 static unsigned long trizeps4_pin_config[] __initdata = {
64 GPIO15_nCS_1, /* DiskOnChip CS */
65 GPIO93_GPIO, /* TRIZEPS4_DOC_IRQ */
66 GPIO94_GPIO, /* DOC lock */
68 GPIO78_nCS_2, /* DM9000 CS */
69 GPIO101_GPIO, /* TRIZEPS4_ETH_IRQ */
71 GPIO79_nCS_3, /* Logic CS */
72 GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* Logic irq */
76 GPIO29_AC97_SDATA_IN_0,
77 GPIO30_AC97_SDATA_OUT,
80 /* LCD - 16bpp Active TFT */
97 #ifdef STATUS_LEDS_ON_STUART_PINS
105 GPIO11_GPIO, /* TRIZEPS4_CD_IRQ */
106 GPIO13_GPIO, /* TRIZEPS4_READY_NINT */
125 GPIO12_GPIO, /* TRIZEPS4_MMC_IRQ */
128 GPIO88_USBH1_PWR, /* USBHPWR1 */
129 GPIO89_USBH1_PEN, /* USBHPEN1 */
136 static unsigned long trizeps4wl_pin_config[] __initdata = {
140 GPIO53_GPIO, /* TRIZEPS4_SPI_IRQ */
145 /****************************************************************************
147 ****************************************************************************/
148 static struct mtd_partition trizeps4_partitions[] = {
150 .name = "Bootloader",
151 .offset = 0x00000000,
153 .mask_flags = MTD_WRITEABLE /* force read-only */
156 .offset = 0x00040000,
160 .offset = 0x00080000,
164 .offset = 0x01100000,
168 .offset = 0x01f00000,
169 .size = MTDPART_SIZ_FULL,
173 static struct physmap_flash_data trizeps4_flash_data[] = {
175 .width = 4, /* bankwidth in bytes */
176 .parts = trizeps4_partitions,
177 .nr_parts = ARRAY_SIZE(trizeps4_partitions)
181 static struct resource flash_resource = {
182 .start = PXA_CS0_PHYS,
183 .end = PXA_CS0_PHYS + SZ_32M - 1,
184 .flags = IORESOURCE_MEM,
187 static struct platform_device flash_device = {
188 .name = "physmap-flash",
191 .platform_data = trizeps4_flash_data,
193 .resource = &flash_resource,
197 /****************************************************************************
198 * DAVICOM DM9000 Ethernet
199 ****************************************************************************/
200 static struct resource dm9000_resources[] = {
202 .start = TRIZEPS4_ETH_PHYS+0x300,
203 .end = TRIZEPS4_ETH_PHYS+0x400-1,
204 .flags = IORESOURCE_MEM,
207 .start = TRIZEPS4_ETH_PHYS+0x8300,
208 .end = TRIZEPS4_ETH_PHYS+0x8400-1,
209 .flags = IORESOURCE_MEM,
212 .start = TRIZEPS4_ETH_IRQ,
213 .end = TRIZEPS4_ETH_IRQ,
214 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
218 static struct dm9000_plat_data tri_dm9000_platdata = {
219 .flags = DM9000_PLATF_32BITONLY,
222 static struct platform_device dm9000_device = {
225 .num_resources = ARRAY_SIZE(dm9000_resources),
226 .resource = dm9000_resources,
228 .platform_data = &tri_dm9000_platdata,
232 /****************************************************************************
233 * LED's on GPIO pins of PXA
234 ****************************************************************************/
235 static struct gpio_led trizeps4_led[] = {
236 #ifdef STATUS_LEDS_ON_STUART_PINS
238 .name = "led0:orange:heartbeat", /* */
239 .default_trigger = "heartbeat",
240 .gpio = GPIO_HEARTBEAT_LED,
244 .name = "led1:yellow:cpubusy", /* */
245 .default_trigger = "cpu-busy",
246 .gpio = GPIO_SYS_BUSY_LED,
252 static struct gpio_led_platform_data trizeps4_led_data = {
253 .leds = trizeps4_led,
254 .num_leds = ARRAY_SIZE(trizeps4_led),
257 static struct platform_device leds_devices = {
261 .platform_data = &trizeps4_led_data,
265 static struct platform_device *trizeps4_devices[] __initdata = {
271 static struct platform_device *trizeps4wl_devices[] __initdata = {
276 static short trizeps_conxs_bcr;
278 /* PCCARD power switching supports only 3,3V */
279 void board_pcmcia_power(int power)
282 /* switch power on, put in reset and enable buffers */
283 trizeps_conxs_bcr |= power;
284 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
285 trizeps_conxs_bcr &= ~ConXS_BCR_CF_BUF_EN;
286 BCR_writew(trizeps_conxs_bcr);
289 /* take reset away */
290 trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET;
291 BCR_writew(trizeps_conxs_bcr);
295 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
296 BCR_writew(trizeps_conxs_bcr);
298 /* switch power off */
299 trizeps_conxs_bcr &= ~0xf;
300 BCR_writew(trizeps_conxs_bcr);
302 pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff",
305 EXPORT_SYMBOL(board_pcmcia_power);
307 /* backlight power switching for LCD panel */
308 static void board_backlight_power(int on)
311 trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
313 trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
315 pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff",
317 BCR_writew(trizeps_conxs_bcr);
320 /* a I2C based RTC is known on CONXS board */
321 static struct i2c_board_info trizeps4_i2c_devices[] __initdata = {
322 { I2C_BOARD_INFO("rtc-pcf8593", 0x51) }
325 /****************************************************************************
326 * MMC card slot external to module
327 ****************************************************************************/
328 static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int,
333 err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
334 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_SAMPLE_RANDOM,
335 "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 .init_irq = pxa27x_init_irq,
561 .handle_irq = pxa27x_handle_irq,
565 MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module")
566 /* MAINTAINER("Jürgen Schindele") */
567 .atag_offset = 0x100,
568 .init_machine = trizeps4_init,
569 .map_io = trizeps4_map_io,
570 .init_irq = pxa27x_init_irq,
571 .handle_irq = pxa27x_handle_irq,