git.oblomov.eu Git - linux-2.6/blob - 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/pxa2xx-gpio.h>
  45 #include <asm/arch/trizeps4.h>
  46 #include <asm/arch/audio.h>
  47 #include <asm/arch/pxafb.h>
  48 #include <asm/arch/mmc.h>
  49 #include <asm/arch/irda.h>
  50 #include <asm/arch/ohci.h>
  51
  52 #include "generic.h"
  53 #include "devices.h"
  54
  55 /********************************************************************************************
  56  * ONBOARD FLASH
  57  ********************************************************************************************/
  58 static struct mtd_partition trizeps4_partitions[] = {
  59         {
  60                 .name =         "Bootloader",
  61                 .offset =       0x00000000,
  62                 .size =         0x00040000,
  63                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
  64         },{
  65                 .name =         "Backup",
  66                 .offset =       0x00040000,
  67                 .size =         0x00040000,
  68         },{
  69                 .name =         "Image",
  70                 .offset =       0x00080000,
  71                 .size =         0x01080000,
  72         },{
  73                 .name =         "IPSM",
  74                 .offset =       0x01100000,
  75                 .size =         0x00e00000,
  76         },{
  77                 .name =         "Registry",
  78                 .offset =       0x01f00000,
  79                 .size =         MTDPART_SIZ_FULL,
  80         }
  81 };
  82
  83 static struct physmap_flash_data trizeps4_flash_data[] = {
  84         {
  85                 .width          = 4,                    /* bankwidth in bytes */
  86                 .parts          = trizeps4_partitions,
  87                 .nr_parts       = ARRAY_SIZE(trizeps4_partitions)
  88         }
  89 };
  90
  91 static struct resource flash_resource = {
  92         .start  = PXA_CS0_PHYS,
  93         .end    = PXA_CS0_PHYS + SZ_32M - 1,
  94         .flags  = IORESOURCE_MEM,
  95 };
  96
  97 static struct platform_device flash_device = {
  98         .name           = "physmap-flash",
  99         .id             = 0,
 100         .dev = {
 101                 .platform_data = trizeps4_flash_data,
 102         },
 103         .resource = &flash_resource,
 104         .num_resources = 1,
 105 };
 106
 107 /********************************************************************************************
 108  * DAVICOM DM9000 Ethernet
 109  ********************************************************************************************/
 110 static struct resource dm9000_resources[] = {
 111         [0] = {
 112                 .start  = TRIZEPS4_ETH_PHYS+0x300,
 113                 .end    = TRIZEPS4_ETH_PHYS+0x400-1,
 114                 .flags  = IORESOURCE_MEM,
 115         },
 116         [1] = {
 117                 .start  = TRIZEPS4_ETH_PHYS+0x8300,
 118                 .end    = TRIZEPS4_ETH_PHYS+0x8400-1,
 119                 .flags  = IORESOURCE_MEM,
 120         },
 121         [2] = {
 122                 .start  = TRIZEPS4_ETH_IRQ,
 123                 .end    = TRIZEPS4_ETH_IRQ,
 124                 .flags  = (IORESOURCE_IRQ | IRQT_RISING),
 125         },
 126 };
 127
 128 static struct platform_device dm9000_device = {
 129         .name           = "dm9000",
 130         .id             = -1,
 131         .num_resources  = ARRAY_SIZE(dm9000_resources),
 132         .resource       = dm9000_resources,
 133 };
 134
 135 /********************************************************************************************
 136  * PXA270 serial ports
 137  ********************************************************************************************/
 138 static struct plat_serial8250_port tri_serial_ports[] = {
 139 #ifdef CONFIG_SERIAL_PXA
 140         /* this uses the own PXA driver */
 141         {
 142                 0,
 143         },
 144 #else
 145         /* this uses the generic 8520 driver */
 146         [0] = {
 147                 .membase        = (void *)&FFUART,
 148                 .irq            = IRQ_FFUART,
 149                 .flags          = UPF_BOOT_AUTOCONF,
 150                 .iotype         = UPIO_MEM32,
 151                 .regshift       = 2,
 152                 .uartclk        = (921600*16),
 153         },
 154         [1] = {
 155                 .membase        = (void *)&BTUART,
 156                 .irq            = IRQ_BTUART,
 157                 .flags          = UPF_BOOT_AUTOCONF,
 158                 .iotype         = UPIO_MEM32,
 159                 .regshift       = 2,
 160                 .uartclk        = (921600*16),
 161         },
 162         {
 163                 0,
 164         },
 165 #endif
 166 };
 167
 168 static struct platform_device uart_devices = {
 169         .name           = "serial8250",
 170         .id             = 0,
 171         .dev            = {
 172                 .platform_data  = tri_serial_ports,
 173         },
 174         .num_resources  = 0,
 175         .resource       = NULL,
 176 };
 177
 178 /********************************************************************************************
 179  * PXA270 ac97 sound codec
 180  ********************************************************************************************/
 181 static struct platform_device ac97_audio_device = {
 182         .name           = "pxa2xx-ac97",
 183         .id             = -1,
 184 };
 185
 186 static struct platform_device * trizeps4_devices[] __initdata = {
 187         &flash_device,
 188         &uart_devices,
 189         &dm9000_device,
 190         &ac97_audio_device,
 191 };
 192
 193 #ifdef CONFIG_MACH_TRIZEPS4_CONXS
 194 static short trizeps_conxs_bcr;
 195
 196 /* PCCARD power switching supports only 3,3V */
 197 void board_pcmcia_power(int power)
 198 {
 199         if (power) {
 200                 /* switch power on, put in reset and enable buffers */
 201                 trizeps_conxs_bcr |= power;
 202                 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
 203                 trizeps_conxs_bcr &= ~(ConXS_BCR_CF_BUF_EN);
 204                 ConXS_BCR = trizeps_conxs_bcr;
 205                 /* wait a little */
 206                 udelay(2000);
 207                 /* take reset away */
 208                 trizeps_conxs_bcr &= ~(ConXS_BCR_CF_RESET);
 209                 ConXS_BCR = trizeps_conxs_bcr;
 210                 udelay(2000);
 211         } else {
 212                 /* put in reset */
 213                 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
 214                 ConXS_BCR = trizeps_conxs_bcr;
 215                 udelay(1000);
 216                 /* switch power off */
 217                 trizeps_conxs_bcr &= ~(0xf);
 218                 ConXS_BCR = trizeps_conxs_bcr;
 219
 220         }
 221         pr_debug("%s: o%s 0x%x\n", __func__, power ? "n": "ff", trizeps_conxs_bcr);
 222 }
 223
 224 /* backlight power switching for LCD panel */
 225 static void board_backlight_power(int on)
 226 {
 227         if (on) {
 228                 trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
 229         } else {
 230                 trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
 231         }
 232         pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff", trizeps_conxs_bcr);
 233         ConXS_BCR = trizeps_conxs_bcr;
 234 }
 235
 236 /* Powersupply for MMC/SD cardslot */
 237 static void board_mci_power(struct device *dev, unsigned int vdd)
 238 {
 239         struct pxamci_platform_data* p_d = dev->platform_data;
 240
 241         if (( 1 << vdd) & p_d->ocr_mask) {
 242                 pr_debug("%s: on\n", __func__);
 243                 /* FIXME fill in values here */
 244         } else {
 245                 pr_debug("%s: off\n", __func__);
 246                 /* FIXME fill in values here */
 247         }
 248 }
 249
 250 static short trizeps_conxs_ircr;
 251
 252 /* Switch modes and Power for IRDA receiver */
 253 static void board_irda_mode(struct device *dev, int mode)
 254 {
 255         unsigned long flags;
 256
 257         local_irq_save(flags);
 258         if (mode & IR_SIRMODE) {
 259                 /* Slow mode */
 260                 trizeps_conxs_ircr &= ~ConXS_IRCR_MODE;
 261         } else if (mode & IR_FIRMODE) {
 262                 /* Fast mode */
 263                 trizeps_conxs_ircr |= ConXS_IRCR_MODE;
 264         }
 265         if (mode & IR_OFF) {
 266                 trizeps_conxs_ircr |= ConXS_IRCR_SD;
 267         } else {
 268                 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
 269         }
 270         /* FIXME write values to register */
 271         local_irq_restore(flags);
 272 }
 273
 274 #else
 275 /* for other baseboards define dummies */
 276 void board_pcmcia_power(int power)      {;}
 277 #define board_backlight_power           NULL
 278 #define board_mci_power                 NULL
 279 #define board_irda_mode                 NULL
 280
 281 #endif          /* CONFIG_MACH_TRIZEPS4_CONXS */
 282 EXPORT_SYMBOL(board_pcmcia_power);
 283
 284 static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, void *data)
 285 {
 286         int err;
 287         /* setup GPIO for PXA27x MMC controller */
 288         pxa_gpio_mode(GPIO32_MMCCLK_MD);
 289         pxa_gpio_mode(GPIO112_MMCCMD_MD);
 290         pxa_gpio_mode(GPIO92_MMCDAT0_MD);
 291         pxa_gpio_mode(GPIO109_MMCDAT1_MD);
 292         pxa_gpio_mode(GPIO110_MMCDAT2_MD);
 293         pxa_gpio_mode(GPIO111_MMCDAT3_MD);
 294
 295         pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
 296
 297         err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
 298                           IRQF_DISABLED | IRQF_TRIGGER_RISING,
 299                           "MMC card detect", data);
 300         if (err)
 301                 printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 302
 303         return err;
 304 }
 305
 306 static void trizeps4_mci_exit(struct device *dev, void *data)
 307 {
 308         free_irq(TRIZEPS4_MMC_IRQ, data);
 309 }
 310
 311 static struct pxamci_platform_data trizeps4_mci_platform_data = {
 312         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 313         .init           = trizeps4_mci_init,
 314         .exit           = trizeps4_mci_exit,
 315         .setpower       = board_mci_power,
 316 };
 317
 318 static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
 319         .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
 320         .transceiver_mode = board_irda_mode,
 321 };
 322
 323 static int trizeps4_ohci_init(struct device *dev)
 324 {
 325         /* setup Port1 GPIO pin. */
 326         pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN);  /* USBHPWR1 */
 327         pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
 328
 329         /* Set the Power Control Polarity Low and Power Sense
 330            Polarity Low to active low. */
 331         UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
 332                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
 333
 334         return 0;
 335 }
 336
 337 static void trizeps4_ohci_exit(struct device *dev)
 338 {
 339         ;
 340 }
 341
 342 static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
 343         .port_mode      = PMM_PERPORT_MODE,
 344         .init           = trizeps4_ohci_init,
 345         .exit           = trizeps4_ohci_exit,
 346 };
 347
 348 static struct map_desc trizeps4_io_desc[] __initdata = {
 349         {       /* ConXS CFSR */
 350                 .virtual        = TRIZEPS4_CFSR_VIRT,
 351                 .pfn            = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
 352                 .length         = 0x00001000,
 353                 .type           = MT_DEVICE
 354         },
 355         {       /* ConXS BCR */
 356                 .virtual        = TRIZEPS4_BOCR_VIRT,
 357                 .pfn            = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
 358                 .length         = 0x00001000,
 359                 .type           = MT_DEVICE
 360         },
 361         {       /* ConXS IRCR */
 362                 .virtual        = TRIZEPS4_IRCR_VIRT,
 363                 .pfn            = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
 364                 .length         = 0x00001000,
 365                 .type           = MT_DEVICE
 366         },
 367         {       /* ConXS DCR */
 368                 .virtual        = TRIZEPS4_DICR_VIRT,
 369                 .pfn            = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
 370                 .length         = 0x00001000,
 371                 .type           = MT_DEVICE
 372         },
 373         {       /* ConXS UPSR */
 374                 .virtual        = TRIZEPS4_UPSR_VIRT,
 375                 .pfn            = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
 376                 .length         = 0x00001000,
 377                 .type           = MT_DEVICE
 378         }
 379 };
 380
 381 static struct pxafb_mode_info sharp_lcd_mode = {
 382     .pixclock           = 78000,
 383     .xres               = 640,
 384     .yres               = 480,
 385     .bpp                = 8,
 386     .hsync_len          = 4,
 387     .left_margin        = 4,
 388     .right_margin       = 4,
 389     .vsync_len          = 2,
 390     .upper_margin       = 0,
 391     .lower_margin       = 0,
 392     .sync               = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 393     .cmap_greyscale     = 0,
 394 };
 395
 396 static struct pxafb_mach_info sharp_lcd = {
 397     .modes              = &sharp_lcd_mode,
 398     .num_modes  = 1,
 399     .cmap_inverse       = 0,
 400     .cmap_static        = 0,
 401     .lccr0              = LCCR0_Color | LCCR0_Pas | LCCR0_Dual,
 402     .lccr3              = 0x0340ff02,
 403     .pxafb_backlight_power = board_backlight_power,
 404 };
 405
 406 static struct pxafb_mode_info toshiba_lcd_mode = {
 407     .pixclock           = 39720,
 408     .xres               = 640,
 409     .yres               = 480,
 410     .bpp                = 8,
 411     .hsync_len          = 63,
 412     .left_margin        = 12,
 413     .right_margin       = 12,
 414     .vsync_len          = 4,
 415     .upper_margin       = 32,
 416     .lower_margin       = 10,
 417     .sync               = 0,
 418     .cmap_greyscale     = 0,
 419 };
 420
 421 static struct pxafb_mach_info toshiba_lcd = {
 422     .modes              = &toshiba_lcd_mode,
 423     .num_modes  = 1,
 424     .cmap_inverse       = 0,
 425     .cmap_static        = 0,
 426     .lccr0              = LCCR0_Color | LCCR0_Act,
 427     .lccr3              = 0x03400002,
 428     .pxafb_backlight_power = board_backlight_power,
 429 };
 430
 431 static void __init trizeps4_init(void)
 432 {
 433         platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices));
 434
 435 /*      set_pxa_fb_info(&sharp_lcd); */
 436         set_pxa_fb_info(&toshiba_lcd);
 437
 438         pxa_set_mci_info(&trizeps4_mci_platform_data);
 439         pxa_set_ficp_info(&trizeps4_ficp_platform_data);
 440         pxa_set_ohci_info(&trizeps4_ohci_platform_data);
 441 }
 442
 443 static void __init trizeps4_map_io(void)
 444 {
 445         pxa_map_io();
 446         iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
 447
 448         /* for DiskOnChip */
 449         pxa_gpio_mode(GPIO15_nCS_1_MD);
 450
 451         /* for off-module PIC on ConXS board */
 452         pxa_gpio_mode(GPIO_PIC | GPIO_IN);
 453
 454         /* UCB1400 irq */
 455         pxa_gpio_mode(GPIO_UCB1400 | GPIO_IN);
 456
 457         /* for DM9000 LAN */
 458         pxa_gpio_mode(GPIO78_nCS_2_MD);
 459         pxa_gpio_mode(GPIO_DM9000 | GPIO_IN);
 460
 461         /* for PCMCIA device */
 462         pxa_gpio_mode(GPIO_PCD | GPIO_IN);
 463         pxa_gpio_mode(GPIO_PRDY | GPIO_IN);
 464
 465         /* for I2C adapter */
 466         pxa_gpio_mode(GPIO117_I2CSCL_MD);
 467         pxa_gpio_mode(GPIO118_I2CSDA_MD);
 468
 469         /* MMC_DET s.o. */
 470         pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
 471
 472         /* whats that for ??? */
 473         pxa_gpio_mode(GPIO79_nCS_3_MD);
 474
 475 #ifdef CONFIG_LEDS
 476         pxa_gpio_mode( GPIO_SYS_BUSY_LED  | GPIO_OUT);          /* LED1 */
 477         pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT);          /* LED2 */
 478 #endif
 479 #ifdef CONFIG_MACH_TRIZEPS4_CONXS
 480 #ifdef CONFIG_IDE_PXA_CF
 481         /* if boot direct from compact flash dont disable power */
 482         trizeps_conxs_bcr = 0x0009;
 483 #else
 484         /* this is the reset value */
 485         trizeps_conxs_bcr = 0x00A0;
 486 #endif
 487         ConXS_BCR = trizeps_conxs_bcr;
 488 #endif
 489
 490         PWER  = 0x00000002;
 491         PFER  = 0x00000000;
 492         PRER  = 0x00000002;
 493         PGSR0 = 0x0158C000;
 494         PGSR1 = 0x00FF0080;
 495         PGSR2 = 0x0001C004;
 496         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 497         PCFR |= PCFR_OPDE;
 498 }
 499
 500 MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
 501         /* MAINTAINER("Jürgen Schindele") */
 502         .phys_io        = 0x40000000,
 503         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 504         .boot_params    = TRIZEPS4_SDRAM_BASE + 0x100,
 505         .init_machine   = trizeps4_init,
 506         .map_io         = trizeps4_map_io,
 507         .init_irq       = pxa27x_init_irq,
 508         .timer          = &pxa_timer,
 509 MACHINE_END
 510