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>
50 #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_DISABLED | IRQF_TRIGGER_RISING | IRQF_SAMPLE_RANDOM,
337 "MMC card detect", data);
339 printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request"
340 "MMC card detect IRQ\n");
346 static void trizeps4_mci_exit(struct device *dev, void *data)
348 free_irq(TRIZEPS4_MMC_IRQ, data);
351 static struct pxamci_platform_data trizeps4_mci_platform_data = {
352 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
353 .detect_delay_ms= 10,
354 .init = trizeps4_mci_init,
355 .exit = trizeps4_mci_exit,
356 .get_ro = NULL, /* write-protection not supported */
357 .setpower = NULL, /* power-switching not supported */
358 .gpio_card_detect = -1,
363 /****************************************************************************
364 * IRDA mode switching on stuart
365 ****************************************************************************/
366 #ifndef STATUS_LEDS_ON_STUART_PINS
367 static short trizeps_conxs_ircr;
369 static int trizeps4_irda_startup(struct device *dev)
371 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
372 IRCR_writew(trizeps_conxs_ircr);
376 static void trizeps4_irda_shutdown(struct device *dev)
378 trizeps_conxs_ircr |= ConXS_IRCR_SD;
379 IRCR_writew(trizeps_conxs_ircr);
382 static void trizeps4_irda_transceiver_mode(struct device *dev, int mode)
386 local_irq_save(flags);
388 if (mode & IR_SIRMODE)
389 trizeps_conxs_ircr &= ~ConXS_IRCR_MODE; /* Slow mode */
390 else if (mode & IR_FIRMODE)
391 trizeps_conxs_ircr |= ConXS_IRCR_MODE; /* Fast mode */
395 trizeps_conxs_ircr |= ConXS_IRCR_SD;
397 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
399 IRCR_writew(trizeps_conxs_ircr);
400 local_irq_restore(flags);
402 pxa2xx_transceiver_mode(dev, mode);
405 static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
407 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
408 .transceiver_mode = trizeps4_irda_transceiver_mode,
409 .startup = trizeps4_irda_startup,
410 .shutdown = trizeps4_irda_shutdown,
414 /****************************************************************************
416 ****************************************************************************/
417 static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
418 .port_mode = PMM_PERPORT_MODE,
419 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
422 static struct map_desc trizeps4_io_desc[] __initdata = {
424 .virtual = TRIZEPS4_CFSR_VIRT,
425 .pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
426 .length = 0x00001000,
430 .virtual = TRIZEPS4_BOCR_VIRT,
431 .pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
432 .length = 0x00001000,
436 .virtual = TRIZEPS4_IRCR_VIRT,
437 .pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
438 .length = 0x00001000,
442 .virtual = TRIZEPS4_DICR_VIRT,
443 .pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
444 .length = 0x00001000,
448 .virtual = TRIZEPS4_UPSR_VIRT,
449 .pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
450 .length = 0x00001000,
455 static struct pxafb_mode_info sharp_lcd_mode = {
466 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
470 static struct pxafb_mach_info sharp_lcd = {
471 .modes = &sharp_lcd_mode,
473 .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL,
476 .pxafb_backlight_power = board_backlight_power,
479 static struct pxafb_mode_info toshiba_lcd_mode = {
494 static struct pxafb_mach_info toshiba_lcd = {
495 .modes = &toshiba_lcd_mode,
497 .lcd_conn = (LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL),
500 .pxafb_backlight_power = board_backlight_power,
503 static void __init trizeps4_init(void)
505 pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4_pin_config));
506 if (machine_is_trizeps4wl()) {
507 pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4wl_pin_config));
508 platform_add_devices(trizeps4wl_devices,
509 ARRAY_SIZE(trizeps4wl_devices));
511 platform_add_devices(trizeps4_devices,
512 ARRAY_SIZE(trizeps4_devices));
515 pxa_set_ffuart_info(NULL);
516 pxa_set_btuart_info(NULL);
517 pxa_set_stuart_info(NULL);
519 if (0) /* dont know how to determine LCD */
520 set_pxa_fb_info(&sharp_lcd);
522 set_pxa_fb_info(&toshiba_lcd);
524 pxa_set_mci_info(&trizeps4_mci_platform_data);
525 #ifndef STATUS_LEDS_ON_STUART_PINS
526 pxa_set_ficp_info(&trizeps4_ficp_platform_data);
528 pxa_set_ohci_info(&trizeps4_ohci_platform_data);
529 pxa_set_ac97_info(NULL);
530 pxa_set_i2c_info(NULL);
531 i2c_register_board_info(0, trizeps4_i2c_devices,
532 ARRAY_SIZE(trizeps4_i2c_devices));
534 /* this is the reset value */
535 trizeps_conxs_bcr = 0x00A0;
537 BCR_writew(trizeps_conxs_bcr);
538 board_backlight_power(1);
541 static void __init trizeps4_map_io(void)
544 iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
546 if ((__raw_readl(MSC0) & 0x8) && (__raw_readl(BOOT_DEF) & 0x1)) {
547 /* if flash is 16 bit wide its a Trizeps4 WL */
548 __machine_arch_type = MACH_TYPE_TRIZEPS4WL;
549 trizeps4_flash_data[0].width = 2;
551 /* if flash is 32 bit wide its a Trizeps4 */
552 __machine_arch_type = MACH_TYPE_TRIZEPS4;
553 trizeps4_flash_data[0].width = 4;
557 MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
558 /* MAINTAINER("Jürgen Schindele") */
559 .boot_params = TRIZEPS4_SDRAM_BASE + 0x100,
560 .init_machine = trizeps4_init,
561 .map_io = trizeps4_map_io,
562 .init_irq = pxa27x_init_irq,
566 MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module")
567 /* MAINTAINER("Jürgen Schindele") */
568 .boot_params = TRIZEPS4_SDRAM_BASE + 0x100,
569 .init_machine = trizeps4_init,
570 .map_io = trizeps4_map_io,
571 .init_irq = pxa27x_init_irq,