1/* 2 * linux/arch/arm/mach-pxa/trizeps4.c 3 * 4 * Support for the Keith und Koep Trizeps4 Module Platform. 5 * 6 * Author: J��rgen Schindele 7 * Created: 20 02, 2006 8 * Copyright: J��rgen Schindele 9 * 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. 13 */ 14 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> 22#include <linux/fb.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 30#include <asm/types.h> 31#include <asm/setup.h> 32#include <asm/memory.h> 33#include <asm/mach-types.h> 34#include <asm/irq.h> 35#include <asm/sizes.h> 36 37#include <asm/mach/arch.h> 38#include <asm/mach/map.h> 39#include <asm/mach/irq.h> 40#include <asm/mach/flash.h> 41 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> 47#include <mach/mmc.h> 48#include <mach/irda.h> 49#include <mach/ohci.h> 50#include <plat/i2c.h> 51 52#include "generic.h" 53#include "devices.h" 54 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 59 60/***************************************************************************** 61 * MultiFunctionPins of CPU 62 *****************************************************************************/ 63static unsigned long trizeps4_pin_config[] __initdata = { 64 /* Chip Selects */ 65 GPIO15_nCS_1, /* DiskOnChip CS */ 66 GPIO93_GPIO, /* TRIZEPS4_DOC_IRQ */ 67 GPIO94_GPIO, /* DOC lock */ 68 69 GPIO78_nCS_2, /* DM9000 CS */ 70 GPIO101_GPIO, /* TRIZEPS4_ETH_IRQ */ 71 72 GPIO79_nCS_3, /* Logic CS */ 73 GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* Logic irq */ 74 75 /* AC97 */ 76 GPIO28_AC97_BITCLK, 77 GPIO29_AC97_SDATA_IN_0, 78 GPIO30_AC97_SDATA_OUT, 79 GPIO31_AC97_SYNC, 80 81 /* LCD - 16bpp Active TFT */ 82 GPIOxx_LCD_TFT_16BPP, 83 84 /* UART */ 85 GPIO9_FFUART_CTS, 86 GPIO10_FFUART_DCD, 87 GPIO16_FFUART_TXD, 88 GPIO33_FFUART_DSR, 89 GPIO38_FFUART_RI, 90 GPIO82_FFUART_DTR, 91 GPIO83_FFUART_RTS, 92 GPIO96_FFUART_RXD, 93 94 GPIO42_BTUART_RXD, 95 GPIO43_BTUART_TXD, 96 GPIO44_BTUART_CTS, 97 GPIO45_BTUART_RTS, 98#ifdef STATUS_LEDS_ON_STUART_PINS 99 GPIO46_GPIO, 100 GPIO47_GPIO, 101#else 102 GPIO46_STUART_RXD, 103 GPIO47_STUART_TXD, 104#endif 105 /* PCMCIA */ 106 GPIO11_GPIO, /* TRIZEPS4_CD_IRQ */ 107 GPIO13_GPIO, /* TRIZEPS4_READY_NINT */ 108 GPIO48_nPOE, 109 GPIO49_nPWE, 110 GPIO50_nPIOR, 111 GPIO51_nPIOW, 112 GPIO54_nPCE_2, 113 GPIO55_nPREG, 114 GPIO56_nPWAIT, 115 GPIO57_nIOIS16, 116 GPIO102_nPCE_1, 117 GPIO104_PSKTSEL, 118 119 /* MultiMediaCard */ 120 GPIO32_MMC_CLK, 121 GPIO92_MMC_DAT_0, 122 GPIO109_MMC_DAT_1, 123 GPIO110_MMC_DAT_2, 124 GPIO111_MMC_DAT_3, 125 GPIO112_MMC_CMD, 126 GPIO12_GPIO, /* TRIZEPS4_MMC_IRQ */ 127 128 /* USB OHCI */ 129 GPIO88_USBH1_PWR, /* USBHPWR1 */ 130 GPIO89_USBH1_PEN, /* USBHPEN1 */ 131 132 /* I2C */ 133 GPIO117_I2C_SCL, 134 GPIO118_I2C_SDA, 135}; 136 137static unsigned long trizeps4wl_pin_config[] __initdata = { 138 /* SSP 2 */ 139 GPIO14_SSP2_SFRM, 140 GPIO19_SSP2_SCLK, 141 GPIO53_GPIO, /* TRIZEPS4_SPI_IRQ */ 142 GPIO86_SSP2_RXD, 143 GPIO87_SSP2_TXD, 144}; 145 146/**************************************************************************** 147 * ONBOARD FLASH 148 ****************************************************************************/ 149static struct mtd_partition trizeps4_partitions[] = { 150 { 151 .name = "Bootloader", 152 .offset = 0x00000000, 153 .size = 0x00040000, 154 .mask_flags = MTD_WRITEABLE /* force read-only */ 155 }, { 156 .name = "Backup", 157 .offset = 0x00040000, 158 .size = 0x00040000, 159 }, { 160 .name = "Image", 161 .offset = 0x00080000, 162 .size = 0x01080000, 163 }, { 164 .name = "IPSM", 165 .offset = 0x01100000, 166 .size = 0x00e00000, 167 }, { 168 .name = "Registry", 169 .offset = 0x01f00000, 170 .size = MTDPART_SIZ_FULL, 171 } 172}; 173 174static struct physmap_flash_data trizeps4_flash_data[] = { 175 { 176 .width = 4, /* bankwidth in bytes */ 177 .parts = trizeps4_partitions, 178 .nr_parts = ARRAY_SIZE(trizeps4_partitions) 179 } 180}; 181 182static struct resource flash_resource = { 183 .start = PXA_CS0_PHYS, 184 .end = PXA_CS0_PHYS + SZ_32M - 1, 185 .flags = IORESOURCE_MEM, 186}; 187 188static struct platform_device flash_device = { 189 .name = "physmap-flash", 190 .id = 0, 191 .dev = { 192 .platform_data = trizeps4_flash_data, 193 }, 194 .resource = &flash_resource, 195 .num_resources = 1, 196}; 197 198/**************************************************************************** 199 * DAVICOM DM9000 Ethernet 200 ****************************************************************************/ 201static struct resource dm9000_resources[] = { 202 [0] = { 203 .start = TRIZEPS4_ETH_PHYS+0x300, 204 .end = TRIZEPS4_ETH_PHYS+0x400-1, 205 .flags = IORESOURCE_MEM, 206 }, 207 [1] = { 208 .start = TRIZEPS4_ETH_PHYS+0x8300, 209 .end = TRIZEPS4_ETH_PHYS+0x8400-1, 210 .flags = IORESOURCE_MEM, 211 }, 212 [2] = { 213 .start = TRIZEPS4_ETH_IRQ, 214 .end = TRIZEPS4_ETH_IRQ, 215 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, 216 }, 217}; 218 219static struct dm9000_plat_data tri_dm9000_platdata = { 220 .flags = DM9000_PLATF_32BITONLY, 221}; 222 223static struct platform_device dm9000_device = { 224 .name = "dm9000", 225 .id = -1, 226 .num_resources = ARRAY_SIZE(dm9000_resources), 227 .resource = dm9000_resources, 228 .dev = { 229 .platform_data = &tri_dm9000_platdata, 230 } 231}; 232 233/**************************************************************************** 234 * LED's on GPIO pins of PXA 235 ****************************************************************************/ 236static struct gpio_led trizeps4_led[] = { 237#ifdef STATUS_LEDS_ON_STUART_PINS 238 { 239 .name = "led0:orange:heartbeat", /* */ 240 .default_trigger = "heartbeat", 241 .gpio = GPIO_HEARTBEAT_LED, 242 .active_low = 1, 243 }, 244 { 245 .name = "led1:yellow:cpubusy", /* */ 246 .default_trigger = "cpu-busy", 247 .gpio = GPIO_SYS_BUSY_LED, 248 .active_low = 1, 249 }, 250#endif 251}; 252 253static struct gpio_led_platform_data trizeps4_led_data = { 254 .leds = trizeps4_led, 255 .num_leds = ARRAY_SIZE(trizeps4_led), 256}; 257 258static struct platform_device leds_devices = { 259 .name = "leds-gpio", 260 .id = -1, 261 .dev = { 262 .platform_data = &trizeps4_led_data, 263 }, 264}; 265 266static struct platform_device *trizeps4_devices[] __initdata = { 267 &flash_device, 268 &dm9000_device, 269 &leds_devices, 270}; 271 272static struct platform_device *trizeps4wl_devices[] __initdata = { 273 &flash_device, 274 &leds_devices, 275}; 276 277static short trizeps_conxs_bcr; 278 279/* PCCARD power switching supports only 3,3V */ 280void board_pcmcia_power(int power) 281{ 282 if (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); 288 /* wait a little */ 289 udelay(2000); 290 /* take reset away */ 291 trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET; 292 BCR_writew(trizeps_conxs_bcr); 293 udelay(2000); 294 } else { 295 /* put in reset */ 296 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET; 297 BCR_writew(trizeps_conxs_bcr); 298 udelay(1000); 299 /* switch power off */ 300 trizeps_conxs_bcr &= ~0xf; 301 BCR_writew(trizeps_conxs_bcr); 302 } 303 pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff", 304 trizeps_conxs_bcr); 305} 306EXPORT_SYMBOL(board_pcmcia_power); 307 308/* backlight power switching for LCD panel */ 309static void board_backlight_power(int on) 310{ 311 if (on) 312 trizeps_conxs_bcr |= ConXS_BCR_L_DISP; 313 else 314 trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP; 315 316 pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff", 317 trizeps_conxs_bcr); 318 BCR_writew(trizeps_conxs_bcr); 319} 320 321/* a I2C based RTC is known on CONXS board */ 322static struct i2c_board_info trizeps4_i2c_devices[] __initdata = { 323 { I2C_BOARD_INFO("rtc-pcf8593", 0x51) } 324}; 325 326/**************************************************************************** 327 * MMC card slot external to module 328 ****************************************************************************/ 329static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, 330 void *data) 331{ 332 int err; 333 334 err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int, 335 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_SAMPLE_RANDOM, 336 "MMC card detect", data); 337 if (err) { 338 printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request" 339 "MMC card detect IRQ\n"); 340 return -1; 341 } 342 return 0; 343} 344 345static void trizeps4_mci_exit(struct device *dev, void *data) 346{ 347 free_irq(TRIZEPS4_MMC_IRQ, data); 348} 349 350static 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, 358 .gpio_card_ro = -1, 359 .gpio_power = -1, 360}; 361 362/**************************************************************************** 363 * IRDA mode switching on stuart 364 ****************************************************************************/ 365#ifndef STATUS_LEDS_ON_STUART_PINS 366static short trizeps_conxs_ircr; 367 368static int trizeps4_irda_startup(struct device *dev) 369{ 370 trizeps_conxs_ircr &= ~ConXS_IRCR_SD; 371 IRCR_writew(trizeps_conxs_ircr); 372 return 0; 373} 374 375static void trizeps4_irda_shutdown(struct device *dev) 376{ 377 trizeps_conxs_ircr |= ConXS_IRCR_SD; 378 IRCR_writew(trizeps_conxs_ircr); 379} 380 381static void trizeps4_irda_transceiver_mode(struct device *dev, int mode) 382{ 383 unsigned long flags; 384 385 local_irq_save(flags); 386 /* Switch mode */ 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 */ 391 392 /* Switch power */ 393 if (mode & IR_OFF) 394 trizeps_conxs_ircr |= ConXS_IRCR_SD; 395 else 396 trizeps_conxs_ircr &= ~ConXS_IRCR_SD; 397 398 IRCR_writew(trizeps_conxs_ircr); 399 local_irq_restore(flags); 400 401 pxa2xx_transceiver_mode(dev, mode); 402} 403 404static struct pxaficp_platform_data trizeps4_ficp_platform_data = { 405 .gpio_pwdown = -1, 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, 410}; 411#endif 412 413/**************************************************************************** 414 * OHCI USB port 415 ****************************************************************************/ 416static 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, 419}; 420 421static struct map_desc trizeps4_io_desc[] __initdata = { 422 { /* ConXS CFSR */ 423 .virtual = TRIZEPS4_CFSR_VIRT, 424 .pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS), 425 .length = 0x00001000, 426 .type = MT_DEVICE 427 }, 428 { /* ConXS BCR */ 429 .virtual = TRIZEPS4_BOCR_VIRT, 430 .pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS), 431 .length = 0x00001000, 432 .type = MT_DEVICE 433 }, 434 { /* ConXS IRCR */ 435 .virtual = TRIZEPS4_IRCR_VIRT, 436 .pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS), 437 .length = 0x00001000, 438 .type = MT_DEVICE 439 }, 440 { /* ConXS DCR */ 441 .virtual = TRIZEPS4_DICR_VIRT, 442 .pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS), 443 .length = 0x00001000, 444 .type = MT_DEVICE 445 }, 446 { /* ConXS UPSR */ 447 .virtual = TRIZEPS4_UPSR_VIRT, 448 .pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS), 449 .length = 0x00001000, 450 .type = MT_DEVICE 451 } 452}; 453 454static struct pxafb_mode_info sharp_lcd_mode = { 455 .pixclock = 78000, 456 .xres = 640, 457 .yres = 480, 458 .bpp = 8, 459 .hsync_len = 4, 460 .left_margin = 4, 461 .right_margin = 4, 462 .vsync_len = 2, 463 .upper_margin = 0, 464 .lower_margin = 0, 465 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 466 .cmap_greyscale = 0, 467}; 468 469static struct pxafb_mach_info sharp_lcd = { 470 .modes = &sharp_lcd_mode, 471 .num_modes = 1, 472 .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL, 473 .cmap_inverse = 0, 474 .cmap_static = 0, 475 .pxafb_backlight_power = board_backlight_power, 476}; 477 478static struct pxafb_mode_info toshiba_lcd_mode = { 479 .pixclock = 39720, 480 .xres = 640, 481 .yres = 480, 482 .bpp = 8, 483 .hsync_len = 63, 484 .left_margin = 12, 485 .right_margin = 12, 486 .vsync_len = 4, 487 .upper_margin = 32, 488 .lower_margin = 10, 489 .sync = 0, 490 .cmap_greyscale = 0, 491}; 492 493static struct pxafb_mach_info toshiba_lcd = { 494 .modes = &toshiba_lcd_mode, 495 .num_modes = 1, 496 .lcd_conn = (LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL), 497 .cmap_inverse = 0, 498 .cmap_static = 0, 499 .pxafb_backlight_power = board_backlight_power, 500}; 501 502static void __init trizeps4_init(void) 503{ 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)); 509 } else { 510 platform_add_devices(trizeps4_devices, 511 ARRAY_SIZE(trizeps4_devices)); 512 } 513 514 pxa_set_ffuart_info(NULL); 515 pxa_set_btuart_info(NULL); 516 pxa_set_stuart_info(NULL); 517 518 if (0) /* dont know how to determine LCD */ 519 set_pxa_fb_info(&sharp_lcd); 520 else 521 set_pxa_fb_info(&toshiba_lcd); 522 523 pxa_set_mci_info(&trizeps4_mci_platform_data); 524#ifndef STATUS_LEDS_ON_STUART_PINS 525 pxa_set_ficp_info(&trizeps4_ficp_platform_data); 526#endif 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)); 532 533 /* this is the reset value */ 534 trizeps_conxs_bcr = 0x00A0; 535 536 BCR_writew(trizeps_conxs_bcr); 537 board_backlight_power(1); 538} 539 540static void __init trizeps4_map_io(void) 541{ 542 pxa_map_io(); 543 iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc)); 544 545 if ((MSC0 & 0x8) && (BOOT_DEF & 0x1)) { 546 /* if flash is 16 bit wide its a Trizeps4 WL */ 547 __machine_arch_type = MACH_TYPE_TRIZEPS4WL; 548 trizeps4_flash_data[0].width = 2; 549 } else { 550 /* if flash is 32 bit wide its a Trizeps4 */ 551 __machine_arch_type = MACH_TYPE_TRIZEPS4; 552 trizeps4_flash_data[0].width = 4; 553 } 554} 555 556MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module") 557 /* MAINTAINER("J��rgen Schindele") */ 558 .phys_io = 0x40000000, 559 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 560 .boot_params = TRIZEPS4_SDRAM_BASE + 0x100, 561 .init_machine = trizeps4_init, 562 .map_io = trizeps4_map_io, 563 .init_irq = pxa27x_init_irq, 564 .timer = &pxa_timer, 565MACHINE_END 566 567MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module") 568 /* MAINTAINER("J��rgen Schindele") */ 569 .phys_io = 0x40000000, 570 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 571 .boot_params = TRIZEPS4_SDRAM_BASE + 0x100, 572 .init_machine = trizeps4_init, 573 .map_io = trizeps4_map_io, 574 .init_irq = pxa27x_init_irq, 575 .timer = &pxa_timer, 576MACHINE_END 577