release/src-rt-6.x/linux/linux-2.6/arch/arm/mach-pxa/trizeps4.c

   1 /*
   2  *  linux/arch/arm/mach-pxa/trizeps4.c
   3  *
   4  *  Support for the Keith und Koep Trizeps4 Module Platform.
   5  *
   6  *  Author:     Jürgen Schindele
   7  *  Created:    20 02, 2006
   8  *  Copyright:  Jürgen 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/serial_8250.h>
  26 #include <linux/mtd/mtd.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/hardware.h>
  35 #include <asm/irq.h>
  36 #include <asm/sizes.h>
  37
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40 #include <asm/mach/irq.h>
  41 #include <asm/mach/flash.h>
  42
  43 #include <asm/arch/pxa-regs.h>
  44 #include <asm/arch/trizeps4.h>
  45 #include <asm/arch/audio.h>
  46 #include <asm/arch/pxafb.h>
  47 #include <asm/arch/mmc.h>
  48 #include <asm/arch/irda.h>
  49 #include <asm/arch/ohci.h>
  50
  51 #include "generic.h"
  52
  53 /********************************************************************************************
  54  * ONBOARD FLASH
  55  ********************************************************************************************/
  56 static struct mtd_partition trizeps4_partitions[] = {
  57         {
  58                 .name =         "Bootloader",
  59                 .offset =       0x00000000,
  60                 .size =         0x00040000,
  61                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
  62         },{
  63                 .name =         "Backup",
  64                 .offset =       0x00040000,
  65                 .size =         0x00040000,
  66         },{
  67                 .name =         "Image",
  68                 .offset =       0x00080000,
  69                 .size =         0x01080000,
  70         },{
  71                 .name =         "IPSM",
  72                 .offset =       0x01100000,
  73                 .size =         0x00e00000,
  74         },{
  75                 .name =         "Registry",
  76                 .offset =       0x01f00000,
  77                 .size =         MTDPART_SIZ_FULL,
  78         }
  79 };
  80
  81 static struct physmap_flash_data trizeps4_flash_data[] = {
  82         {
  83                 .width          = 4,                    /* bankwidth in bytes */
  84                 .parts          = trizeps4_partitions,
  85                 .nr_parts       = ARRAY_SIZE(trizeps4_partitions)
  86         }
  87 };
  88
  89 static struct resource flash_resource = {
  90         .start  = PXA_CS0_PHYS,
  91         .end    = PXA_CS0_PHYS + SZ_32M - 1,
  92         .flags  = IORESOURCE_MEM,
  93 };
  94
  95 static struct platform_device flash_device = {
  96         .name           = "physmap-flash",
  97         .id             = 0,
  98         .dev = {
  99                 .platform_data = trizeps4_flash_data,
 100         },
 101         .resource = &flash_resource,
 102         .num_resources = 1,
 103 };
 104
 105 /********************************************************************************************
 106  * DAVICOM DM9000 Ethernet
 107  ********************************************************************************************/
 108 static struct resource dm9000_resources[] = {
 109         [0] = {
 110                 .start  = TRIZEPS4_ETH_PHYS+0x300,
 111                 .end    = TRIZEPS4_ETH_PHYS+0x400-1,
 112                 .flags  = IORESOURCE_MEM,
 113         },
 114         [1] = {
 115                 .start  = TRIZEPS4_ETH_PHYS+0x8300,
 116                 .end    = TRIZEPS4_ETH_PHYS+0x8400-1,
 117                 .flags  = IORESOURCE_MEM,
 118         },
 119         [2] = {
 120                 .start  = TRIZEPS4_ETH_IRQ,
 121                 .end    = TRIZEPS4_ETH_IRQ,
 122                 .flags  = (IORESOURCE_IRQ | IRQT_RISING),
 123         },
 124 };
 125
 126 static struct platform_device dm9000_device = {
 127         .name           = "dm9000",
 128         .id             = -1,
 129         .num_resources  = ARRAY_SIZE(dm9000_resources),
 130         .resource       = dm9000_resources,
 131 };
 132
 133 /********************************************************************************************
 134  * PXA270 serial ports
 135  ********************************************************************************************/
 136 static struct plat_serial8250_port tri_serial_ports[] = {
 137 #ifdef CONFIG_SERIAL_PXA
 138         /* this uses the own PXA driver */
 139         {
 140                 0,
 141         },
 142 #else
 143         /* this uses the generic 8520 driver */
 144         [0] = {
 145                 .membase        = (void *)&FFUART,
 146                 .irq            = IRQ_FFUART,
 147                 .flags          = UPF_BOOT_AUTOCONF,
 148                 .iotype         = UPIO_MEM32,
 149                 .regshift       = 2,
 150                 .uartclk        = (921600*16),
 151         },
 152         [1] = {
 153                 .membase        = (void *)&BTUART,
 154                 .irq            = IRQ_BTUART,
 155                 .flags          = UPF_BOOT_AUTOCONF,
 156                 .iotype         = UPIO_MEM32,
 157                 .regshift       = 2,
 158                 .uartclk        = (921600*16),
 159         },
 160         {
 161                 0,
 162         },
 163 #endif
 164 };
 165
 166 static struct platform_device uart_devices = {
 167         .name           = "serial8250",
 168         .id             = 0,
 169         .dev            = {
 170                 .platform_data  = tri_serial_ports,
 171         },
 172         .num_resources  = 0,
 173         .resource       = NULL,
 174 };
 175
 176 /********************************************************************************************
 177  * PXA270 ac97 sound codec
 178  ********************************************************************************************/
 179 static struct platform_device ac97_audio_device = {
 180         .name           = "pxa2xx-ac97",
 181         .id             = -1,
 182 };
 183
 184 static struct platform_device * trizeps4_devices[] __initdata = {
 185         &flash_device,
 186         &uart_devices,
 187         &dm9000_device,
 188         &ac97_audio_device,
 189 };
 190
 191 #ifdef CONFIG_MACH_TRIZEPS4_CONXS
 192 static short trizeps_conxs_bcr;
 193
 194 /* PCCARD power switching supports only 3,3V */
 195 void board_pcmcia_power(int power)
 196 {
 197         if (power) {
 198                 /* switch power on, put in reset and enable buffers */
 199                 trizeps_conxs_bcr |= power;
 200                 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
 201                 trizeps_conxs_bcr &= ~(ConXS_BCR_CF_BUF_EN);
 202                 ConXS_BCR = trizeps_conxs_bcr;
 203                 /* wait a little */
 204                 udelay(2000);
 205                 /* take reset away */
 206                 trizeps_conxs_bcr &= ~(ConXS_BCR_CF_RESET);
 207                 ConXS_BCR = trizeps_conxs_bcr;
 208                 udelay(2000);
 209         } else {
 210                 /* put in reset */
 211                 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
 212                 ConXS_BCR = trizeps_conxs_bcr;
 213                 udelay(1000);
 214                 /* switch power off */
 215                 trizeps_conxs_bcr &= ~(0xf);
 216                 ConXS_BCR = trizeps_conxs_bcr;
 217
 218         }
 219         pr_debug("%s: o%s 0x%x\n", __FUNCTION__, power ? "n": "ff", trizeps_conxs_bcr);
 220 }
 221
 222 /* backlight power switching for LCD panel */
 223 static void board_backlight_power(int on)
 224 {
 225         if (on) {
 226                 trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
 227         } else {
 228                 trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
 229         }
 230         pr_debug("%s: o%s 0x%x\n", __FUNCTION__, on ? "n" : "ff", trizeps_conxs_bcr);
 231         ConXS_BCR = trizeps_conxs_bcr;
 232 }
 233
 234 /* Powersupply for MMC/SD cardslot */
 235 static void board_mci_power(struct device *dev, unsigned int vdd)
 236 {
 237         struct pxamci_platform_data* p_d = dev->platform_data;
 238
 239         if (( 1 << vdd) & p_d->ocr_mask) {
 240                 pr_debug("%s: on\n", __FUNCTION__);
 241                 /* FIXME fill in values here */
 242         } else {
 243                 pr_debug("%s: off\n", __FUNCTION__);
 244                 /* FIXME fill in values here */
 245         }
 246 }
 247
 248 static short trizeps_conxs_ircr;
 249
 250 /* Switch modes and Power for IRDA receiver */
 251 static void board_irda_mode(struct device *dev, int mode)
 252 {
 253         unsigned long flags;
 254
 255         local_irq_save(flags);
 256         if (mode & IR_SIRMODE) {
 257                 /* Slow mode */
 258                 trizeps_conxs_ircr &= ~ConXS_IRCR_MODE;
 259         } else if (mode & IR_FIRMODE) {
 260                 /* Fast mode */
 261                 trizeps_conxs_ircr |= ConXS_IRCR_MODE;
 262         }
 263         if (mode & IR_OFF) {
 264                 trizeps_conxs_ircr |= ConXS_IRCR_SD;
 265         } else {
 266                 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
 267         }
 268         /* FIXME write values to register */
 269         local_irq_restore(flags);
 270 }
 271
 272 #else
 273 /* for other baseboards define dummies */
 274 void board_pcmcia_power(int power)      {;}
 275 #define board_backlight_power           NULL
 276 #define board_mci_power                 NULL
 277 #define board_irda_mode                 NULL
 278
 279 #endif          /* CONFIG_MACH_TRIZEPS4_CONXS */
 280 EXPORT_SYMBOL(board_pcmcia_power);
 281
 282 static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, void *data)
 283 {
 284         int err;
 285         /* setup GPIO for PXA27x MMC controller */
 286         pxa_gpio_mode(GPIO32_MMCCLK_MD);
 287         pxa_gpio_mode(GPIO112_MMCCMD_MD);
 288         pxa_gpio_mode(GPIO92_MMCDAT0_MD);
 289         pxa_gpio_mode(GPIO109_MMCDAT1_MD);
 290         pxa_gpio_mode(GPIO110_MMCDAT2_MD);
 291         pxa_gpio_mode(GPIO111_MMCDAT3_MD);
 292
 293         pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
 294
 295         err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
 296                           IRQF_DISABLED | IRQF_TRIGGER_RISING,
 297                           "MMC card detect", data);
 298         if (err) {
 299                 printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 300                 return -1;
 301         }
 302         return 0;
 303 }
 304
 305 static void trizeps4_mci_exit(struct device *dev, void *data)
 306 {
 307         free_irq(TRIZEPS4_MMC_IRQ, data);
 308 }
 309
 310 static struct pxamci_platform_data trizeps4_mci_platform_data = {
 311         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 312         .init           = trizeps4_mci_init,
 313         .exit           = trizeps4_mci_exit,
 314         .setpower       = board_mci_power,
 315 };
 316
 317 static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
 318         .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
 319         .transceiver_mode = board_irda_mode,
 320 };
 321
 322 static int trizeps4_ohci_init(struct device *dev)
 323 {
 324         /* setup Port1 GPIO pin. */
 325         pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN);  /* USBHPWR1 */
 326         pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
 327
 328         /* Set the Power Control Polarity Low and Power Sense
 329            Polarity Low to active low. */
 330         UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
 331                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
 332
 333         return 0;
 334 }
 335
 336 static void trizeps4_ohci_exit(struct device *dev)
 337 {
 338         ;
 339 }
 340
 341 static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
 342         .port_mode      = PMM_PERPORT_MODE,
 343         .init           = trizeps4_ohci_init,
 344         .exit           = trizeps4_ohci_exit,
 345 };
 346
 347 static struct map_desc trizeps4_io_desc[] __initdata = {
 348         {       /* ConXS CFSR */
 349                 .virtual        = TRIZEPS4_CFSR_VIRT,
 350                 .pfn            = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
 351                 .length         = 0x00001000,
 352                 .type           = MT_DEVICE
 353         },
 354         {       /* ConXS BCR */
 355                 .virtual        = TRIZEPS4_BOCR_VIRT,
 356                 .pfn            = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
 357                 .length         = 0x00001000,
 358                 .type           = MT_DEVICE
 359         },
 360         {       /* ConXS IRCR */
 361                 .virtual        = TRIZEPS4_IRCR_VIRT,
 362                 .pfn            = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
 363                 .length         = 0x00001000,
 364                 .type           = MT_DEVICE
 365         },
 366         {       /* ConXS DCR */
 367                 .virtual        = TRIZEPS4_DICR_VIRT,
 368                 .pfn            = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
 369                 .length         = 0x00001000,
 370                 .type           = MT_DEVICE
 371         },
 372         {       /* ConXS UPSR */
 373                 .virtual        = TRIZEPS4_UPSR_VIRT,
 374                 .pfn            = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
 375                 .length         = 0x00001000,
 376                 .type           = MT_DEVICE
 377         }
 378 };
 379
 380 static struct pxafb_mode_info sharp_lcd_mode = {
 381     .pixclock           = 78000,
 382     .xres               = 640,
 383     .yres               = 480,
 384     .bpp                = 8,
 385     .hsync_len          = 4,
 386     .left_margin        = 4,
 387     .right_margin       = 4,
 388     .vsync_len          = 2,
 389     .upper_margin       = 0,
 390     .lower_margin       = 0,
 391     .sync               = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 392     .cmap_greyscale     = 0,
 393 };
 394
 395 static struct pxafb_mach_info sharp_lcd = {
 396     .modes              = &sharp_lcd_mode,
 397     .num_modes  = 1,
 398     .cmap_inverse       = 0,
 399     .cmap_static        = 0,
 400     .lccr0              = LCCR0_Color | LCCR0_Pas | LCCR0_Dual,
 401     .lccr3              = 0x0340ff02,
 402     .pxafb_backlight_power = board_backlight_power,
 403 };
 404
 405 static struct pxafb_mode_info toshiba_lcd_mode = {
 406     .pixclock           = 39720,
 407     .xres               = 640,
 408     .yres               = 480,
 409     .bpp                = 8,
 410     .hsync_len          = 63,
 411     .left_margin        = 12,
 412     .right_margin       = 12,
 413     .vsync_len          = 4,
 414     .upper_margin       = 32,
 415     .lower_margin       = 10,
 416     .sync               = 0,
 417     .cmap_greyscale     = 0,
 418 };
 419
 420 static struct pxafb_mach_info toshiba_lcd = {
 421     .modes              = &toshiba_lcd_mode,
 422     .num_modes  = 1,
 423     .cmap_inverse       = 0,
 424     .cmap_static        = 0,
 425     .lccr0              = LCCR0_Color | LCCR0_Act,
 426     .lccr3              = 0x03400002,
 427     .pxafb_backlight_power = board_backlight_power,
 428 };
 429
 430 static void __init trizeps4_init(void)
 431 {
 432         platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices));
 433
 434 /*      set_pxa_fb_info(&sharp_lcd); */
 435         set_pxa_fb_info(&toshiba_lcd);
 436
 437         pxa_set_mci_info(&trizeps4_mci_platform_data);
 438         pxa_set_ficp_info(&trizeps4_ficp_platform_data);
 439         pxa_set_ohci_info(&trizeps4_ohci_platform_data);
 440 }
 441
 442 static void __init trizeps4_map_io(void)
 443 {
 444         pxa_map_io();
 445         iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
 446
 447         /* for DiskOnChip */
 448         pxa_gpio_mode(GPIO15_nCS_1_MD);
 449
 450         /* for off-module PIC on ConXS board */
 451         pxa_gpio_mode(GPIO_PIC | GPIO_IN);
 452
 453         /* UCB1400 irq */
 454         pxa_gpio_mode(GPIO_UCB1400 | GPIO_IN);
 455
 456         /* for DM9000 LAN */
 457         pxa_gpio_mode(GPIO78_nCS_2_MD);
 458         pxa_gpio_mode(GPIO_DM9000 | GPIO_IN);
 459
 460         /* for PCMCIA device */
 461         pxa_gpio_mode(GPIO_PCD | GPIO_IN);
 462         pxa_gpio_mode(GPIO_PRDY | GPIO_IN);
 463
 464         /* for I2C adapter */
 465         pxa_gpio_mode(GPIO117_I2CSCL_MD);
 466         pxa_gpio_mode(GPIO118_I2CSDA_MD);
 467
 468         /* MMC_DET s.o. */
 469         pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
 470
 471         /* whats that for ??? */
 472         pxa_gpio_mode(GPIO79_nCS_3_MD);
 473
 474 #ifdef CONFIG_LEDS
 475         pxa_gpio_mode( GPIO_SYS_BUSY_LED  | GPIO_OUT);          /* LED1 */
 476         pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT);          /* LED2 */
 477 #endif
 478 #ifdef CONFIG_MACH_TRIZEPS4_CONXS
 479 #ifdef CONFIG_IDE_PXA_CF
 480         /* if boot direct from compact flash dont disable power */
 481         trizeps_conxs_bcr = 0x0009;
 482 #else
 483         /* this is the reset value */
 484         trizeps_conxs_bcr = 0x00A0;
 485 #endif
 486         ConXS_BCR = trizeps_conxs_bcr;
 487 #endif
 488
 489         PWER  = 0x00000002;
 490         PFER  = 0x00000000;
 491         PRER  = 0x00000002;
 492         PGSR0 = 0x0158C000;
 493         PGSR1 = 0x00FF0080;
 494         PGSR2 = 0x0001C004;
 495         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 496         PCFR |= PCFR_OPDE;
 497 }
 498
 499 MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
 500         /* MAINTAINER("Jürgen Schindele") */
 501         .phys_io        = 0x40000000,
 502         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 503         .boot_params    = TRIZEPS4_SDRAM_BASE + 0x100,
 504         .init_machine   = trizeps4_init,
 505         .map_io         = trizeps4_map_io,
 506         .init_irq       = pxa_init_irq,
 507         .timer          = &pxa_timer,
 508 MACHINE_END
 509