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-regs.h>
  45 #include <asm/arch/pxa2xx-gpio.h>
  46 #include <asm/arch/trizeps4.h>
  47 #include <asm/arch/audio.h>
  48 #include <asm/arch/pxafb.h>
  49 #include <asm/arch/mmc.h>
  50 #include <asm/arch/irda.h>
  51 #include <asm/arch/ohci.h>
  52
  53 #include "generic.h"
  54 #include "devices.h"
  55
  56 /********************************************************************************************
  57  * ONBOARD FLASH
  58  ********************************************************************************************/
  59 static struct mtd_partition trizeps4_partitions[] = {
  60         {
  61                 .name =         "Bootloader",
  62                 .offset =       0x00000000,
  63                 .size =         0x00040000,
  64                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
  65         },{
  66                 .name =         "Backup",
  67                 .offset =       0x00040000,
  68                 .size =         0x00040000,
  69         },{
  70                 .name =         "Image",
  71                 .offset =       0x00080000,
  72                 .size =         0x01080000,
  73         },{
  74                 .name =         "IPSM",
  75                 .offset =       0x01100000,
  76                 .size =         0x00e00000,
  77         },{
  78                 .name =         "Registry",
  79                 .offset =       0x01f00000,
  80                 .size =         MTDPART_SIZ_FULL,
  81         }
  82 };
  83
  84 static struct physmap_flash_data trizeps4_flash_data[] = {
  85         {
  86                 .width          = 4,                    /* bankwidth in bytes */
  87                 .parts          = trizeps4_partitions,
  88                 .nr_parts       = ARRAY_SIZE(trizeps4_partitions)
  89         }
  90 };
  91
  92 static struct resource flash_resource = {
  93         .start  = PXA_CS0_PHYS,
  94         .end    = PXA_CS0_PHYS + SZ_32M - 1,
  95         .flags  = IORESOURCE_MEM,
  96 };
  97
  98 static struct platform_device flash_device = {
  99         .name           = "physmap-flash",
 100         .id             = 0,
 101         .dev = {
 102                 .platform_data = trizeps4_flash_data,
 103         },
 104         .resource = &flash_resource,
 105         .num_resources = 1,
 106 };
 107
 108 /********************************************************************************************
 109  * DAVICOM DM9000 Ethernet
 110  ********************************************************************************************/
 111 static struct resource dm9000_resources[] = {
 112         [0] = {
 113                 .start  = TRIZEPS4_ETH_PHYS+0x300,
 114                 .end    = TRIZEPS4_ETH_PHYS+0x400-1,
 115                 .flags  = IORESOURCE_MEM,
 116         },
 117         [1] = {
 118                 .start  = TRIZEPS4_ETH_PHYS+0x8300,
 119                 .end    = TRIZEPS4_ETH_PHYS+0x8400-1,
 120                 .flags  = IORESOURCE_MEM,
 121         },
 122         [2] = {
 123                 .start  = TRIZEPS4_ETH_IRQ,
 124                 .end    = TRIZEPS4_ETH_IRQ,
 125                 .flags  = (IORESOURCE_IRQ | IRQT_RISING),
 126         },
 127 };
 128
 129 static struct platform_device dm9000_device = {
 130         .name           = "dm9000",
 131         .id             = -1,
 132         .num_resources  = ARRAY_SIZE(dm9000_resources),
 133         .resource       = dm9000_resources,
 134 };
 135
 136 /********************************************************************************************
 137  * PXA270 serial ports
 138  ********************************************************************************************/
 139 static struct plat_serial8250_port tri_serial_ports[] = {
 140 #ifdef CONFIG_SERIAL_PXA
 141         /* this uses the own PXA driver */
 142         {
 143                 0,
 144         },
 145 #else
 146         /* this uses the generic 8520 driver */
 147         [0] = {
 148                 .membase        = (void *)&FFUART,
 149                 .irq            = IRQ_FFUART,
 150                 .flags          = UPF_BOOT_AUTOCONF,
 151                 .iotype         = UPIO_MEM32,
 152                 .regshift       = 2,
 153                 .uartclk        = (921600*16),
 154         },
 155         [1] = {
 156                 .membase        = (void *)&BTUART,
 157                 .irq            = IRQ_BTUART,
 158                 .flags          = UPF_BOOT_AUTOCONF,
 159                 .iotype         = UPIO_MEM32,
 160                 .regshift       = 2,
 161                 .uartclk        = (921600*16),
 162         },
 163         {
 164                 0,
 165         },
 166 #endif
 167 };
 168
 169 static struct platform_device uart_devices = {
 170         .name           = "serial8250",
 171         .id             = 0,
 172         .dev            = {
 173                 .platform_data  = tri_serial_ports,
 174         },
 175         .num_resources  = 0,
 176         .resource       = NULL,
 177 };
 178
 179 static struct platform_device * trizeps4_devices[] __initdata = {
 180         &flash_device,
 181         &uart_devices,
 182         &dm9000_device,
 183 };
 184
 185 #ifdef CONFIG_MACH_TRIZEPS4_CONXS
 186 static short trizeps_conxs_bcr;
 187
 188 /* PCCARD power switching supports only 3,3V */
 189 void board_pcmcia_power(int power)
 190 {
 191         if (power) {
 192                 /* switch power on, put in reset and enable buffers */
 193                 trizeps_conxs_bcr |= power;
 194                 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
 195                 trizeps_conxs_bcr &= ~(ConXS_BCR_CF_BUF_EN);
 196                 ConXS_BCR = trizeps_conxs_bcr;
 197                 /* wait a little */
 198                 udelay(2000);
 199                 /* take reset away */
 200                 trizeps_conxs_bcr &= ~(ConXS_BCR_CF_RESET);
 201                 ConXS_BCR = trizeps_conxs_bcr;
 202                 udelay(2000);
 203         } else {
 204                 /* put in reset */
 205                 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
 206                 ConXS_BCR = trizeps_conxs_bcr;
 207                 udelay(1000);
 208                 /* switch power off */
 209                 trizeps_conxs_bcr &= ~(0xf);
 210                 ConXS_BCR = trizeps_conxs_bcr;
 211
 212         }
 213         pr_debug("%s: o%s 0x%x\n", __func__, power ? "n": "ff", trizeps_conxs_bcr);
 214 }
 215
 216 /* backlight power switching for LCD panel */
 217 static void board_backlight_power(int on)
 218 {
 219         if (on) {
 220                 trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
 221         } else {
 222                 trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
 223         }
 224         pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff", trizeps_conxs_bcr);
 225         ConXS_BCR = trizeps_conxs_bcr;
 226 }
 227
 228 /* Powersupply for MMC/SD cardslot */
 229 static void board_mci_power(struct device *dev, unsigned int vdd)
 230 {
 231         struct pxamci_platform_data* p_d = dev->platform_data;
 232
 233         if (( 1 << vdd) & p_d->ocr_mask) {
 234                 pr_debug("%s: on\n", __func__);
 235                 /* FIXME fill in values here */
 236         } else {
 237                 pr_debug("%s: off\n", __func__);
 238                 /* FIXME fill in values here */
 239         }
 240 }
 241
 242 static short trizeps_conxs_ircr;
 243
 244 /* Switch modes and Power for IRDA receiver */
 245 static void board_irda_mode(struct device *dev, int mode)
 246 {
 247         unsigned long flags;
 248
 249         local_irq_save(flags);
 250         if (mode & IR_SIRMODE) {
 251                 /* Slow mode */
 252                 trizeps_conxs_ircr &= ~ConXS_IRCR_MODE;
 253         } else if (mode & IR_FIRMODE) {
 254                 /* Fast mode */
 255                 trizeps_conxs_ircr |= ConXS_IRCR_MODE;
 256         }
 257         if (mode & IR_OFF) {
 258                 trizeps_conxs_ircr |= ConXS_IRCR_SD;
 259         } else {
 260                 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
 261         }
 262         /* FIXME write values to register */
 263         local_irq_restore(flags);
 264 }
 265
 266 #else
 267 /* for other baseboards define dummies */
 268 void board_pcmcia_power(int power)      {;}
 269 #define board_backlight_power           NULL
 270 #define board_mci_power                 NULL
 271 #define board_irda_mode                 NULL
 272
 273 #endif          /* CONFIG_MACH_TRIZEPS4_CONXS */
 274 EXPORT_SYMBOL(board_pcmcia_power);
 275
 276 static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, void *data)
 277 {
 278         int err;
 279         /* setup GPIO for PXA27x MMC controller */
 280         pxa_gpio_mode(GPIO32_MMCCLK_MD);
 281         pxa_gpio_mode(GPIO112_MMCCMD_MD);
 282         pxa_gpio_mode(GPIO92_MMCDAT0_MD);
 283         pxa_gpio_mode(GPIO109_MMCDAT1_MD);
 284         pxa_gpio_mode(GPIO110_MMCDAT2_MD);
 285         pxa_gpio_mode(GPIO111_MMCDAT3_MD);
 286
 287         pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
 288
 289         err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
 290                           IRQF_DISABLED | IRQF_TRIGGER_RISING,
 291                           "MMC card detect", data);
 292         if (err)
 293                 printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 294
 295         return err;
 296 }
 297
 298 static void trizeps4_mci_exit(struct device *dev, void *data)
 299 {
 300         free_irq(TRIZEPS4_MMC_IRQ, data);
 301 }
 302
 303 static struct pxamci_platform_data trizeps4_mci_platform_data = {
 304         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 305         .init           = trizeps4_mci_init,
 306         .exit           = trizeps4_mci_exit,
 307         .setpower       = board_mci_power,
 308 };
 309
 310 static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
 311         .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
 312         .transceiver_mode = board_irda_mode,
 313 };
 314
 315 static int trizeps4_ohci_init(struct device *dev)
 316 {
 317         /* setup Port1 GPIO pin. */
 318         pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN);  /* USBHPWR1 */
 319         pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
 320
 321         /* Set the Power Control Polarity Low and Power Sense
 322            Polarity Low to active low. */
 323         UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
 324                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
 325
 326         return 0;
 327 }
 328
 329 static void trizeps4_ohci_exit(struct device *dev)
 330 {
 331         ;
 332 }
 333
 334 static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
 335         .port_mode      = PMM_PERPORT_MODE,
 336         .init           = trizeps4_ohci_init,
 337         .exit           = trizeps4_ohci_exit,
 338 };
 339
 340 static struct map_desc trizeps4_io_desc[] __initdata = {
 341         {       /* ConXS CFSR */
 342                 .virtual        = TRIZEPS4_CFSR_VIRT,
 343                 .pfn            = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
 344                 .length         = 0x00001000,
 345                 .type           = MT_DEVICE
 346         },
 347         {       /* ConXS BCR */
 348                 .virtual        = TRIZEPS4_BOCR_VIRT,
 349                 .pfn            = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
 350                 .length         = 0x00001000,
 351                 .type           = MT_DEVICE
 352         },
 353         {       /* ConXS IRCR */
 354                 .virtual        = TRIZEPS4_IRCR_VIRT,
 355                 .pfn            = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
 356                 .length         = 0x00001000,
 357                 .type           = MT_DEVICE
 358         },
 359         {       /* ConXS DCR */
 360                 .virtual        = TRIZEPS4_DICR_VIRT,
 361                 .pfn            = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
 362                 .length         = 0x00001000,
 363                 .type           = MT_DEVICE
 364         },
 365         {       /* ConXS UPSR */
 366                 .virtual        = TRIZEPS4_UPSR_VIRT,
 367                 .pfn            = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
 368                 .length         = 0x00001000,
 369                 .type           = MT_DEVICE
 370         }
 371 };
 372
 373 static struct pxafb_mode_info sharp_lcd_mode = {
 374     .pixclock           = 78000,
 375     .xres               = 640,
 376     .yres               = 480,
 377     .bpp                = 8,
 378     .hsync_len          = 4,
 379     .left_margin        = 4,
 380     .right_margin       = 4,
 381     .vsync_len          = 2,
 382     .upper_margin       = 0,
 383     .lower_margin       = 0,
 384     .sync               = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 385     .cmap_greyscale     = 0,
 386 };
 387
 388 static struct pxafb_mach_info sharp_lcd = {
 389     .modes              = &sharp_lcd_mode,
 390     .num_modes  = 1,
 391     .cmap_inverse       = 0,
 392     .cmap_static        = 0,
 393     .lccr0              = LCCR0_Color | LCCR0_Pas | LCCR0_Dual,
 394     .lccr3              = 0x0340ff02,
 395     .pxafb_backlight_power = board_backlight_power,
 396 };
 397
 398 static struct pxafb_mode_info toshiba_lcd_mode = {
 399     .pixclock           = 39720,
 400     .xres               = 640,
 401     .yres               = 480,
 402     .bpp                = 8,
 403     .hsync_len          = 63,
 404     .left_margin        = 12,
 405     .right_margin       = 12,
 406     .vsync_len          = 4,
 407     .upper_margin       = 32,
 408     .lower_margin       = 10,
 409     .sync               = 0,
 410     .cmap_greyscale     = 0,
 411 };
 412
 413 static struct pxafb_mach_info toshiba_lcd = {
 414     .modes              = &toshiba_lcd_mode,
 415     .num_modes  = 1,
 416     .cmap_inverse       = 0,
 417     .cmap_static        = 0,
 418     .lccr0              = LCCR0_Color | LCCR0_Act,
 419     .lccr3              = 0x03400002,
 420     .pxafb_backlight_power = board_backlight_power,
 421 };
 422
 423 static void __init trizeps4_init(void)
 424 {
 425         platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices));
 426
 427 /*      set_pxa_fb_info(&sharp_lcd); */
 428         set_pxa_fb_info(&toshiba_lcd);
 429
 430         pxa_set_mci_info(&trizeps4_mci_platform_data);
 431         pxa_set_ficp_info(&trizeps4_ficp_platform_data);
 432         pxa_set_ohci_info(&trizeps4_ohci_platform_data);
 433         pxa_set_ac97_info(NULL);
 434 }
 435
 436 static void __init trizeps4_map_io(void)
 437 {
 438         pxa_map_io();
 439         iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
 440
 441         /* for DiskOnChip */
 442         pxa_gpio_mode(GPIO15_nCS_1_MD);
 443
 444         /* for off-module PIC on ConXS board */
 445         pxa_gpio_mode(GPIO_PIC | GPIO_IN);
 446
 447         /* UCB1400 irq */
 448         pxa_gpio_mode(GPIO_UCB1400 | GPIO_IN);
 449
 450         /* for DM9000 LAN */
 451         pxa_gpio_mode(GPIO78_nCS_2_MD);
 452         pxa_gpio_mode(GPIO_DM9000 | GPIO_IN);
 453
 454         /* for PCMCIA device */
 455         pxa_gpio_mode(GPIO_PCD | GPIO_IN);
 456         pxa_gpio_mode(GPIO_PRDY | GPIO_IN);
 457
 458         /* for I2C adapter */
 459         pxa_gpio_mode(GPIO117_I2CSCL_MD);
 460         pxa_gpio_mode(GPIO118_I2CSDA_MD);
 461
 462         /* MMC_DET s.o. */
 463         pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
 464
 465         /* whats that for ??? */
 466         pxa_gpio_mode(GPIO79_nCS_3_MD);
 467
 468 #ifdef CONFIG_LEDS
 469         pxa_gpio_mode( GPIO_SYS_BUSY_LED  | GPIO_OUT);          /* LED1 */
 470         pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT);          /* LED2 */
 471 #endif
 472 #ifdef CONFIG_MACH_TRIZEPS4_CONXS
 473 #ifdef CONFIG_IDE_PXA_CF
 474         /* if boot direct from compact flash dont disable power */
 475         trizeps_conxs_bcr = 0x0009;
 476 #else
 477         /* this is the reset value */
 478         trizeps_conxs_bcr = 0x00A0;
 479 #endif
 480         ConXS_BCR = trizeps_conxs_bcr;
 481 #endif
 482
 483 #warning FIXME - accessing PM registers directly is deprecated
 484         PWER  = 0x00000002;
 485         PFER  = 0x00000000;
 486         PRER  = 0x00000002;
 487         PGSR0 = 0x0158C000;
 488         PGSR1 = 0x00FF0080;
 489         PGSR2 = 0x0001C004;
 490         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 491         PCFR |= PCFR_OPDE;
 492 }
 493
 494 MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
 495         /* MAINTAINER("Jürgen Schindele") */
 496         .phys_io        = 0x40000000,
 497         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 498         .boot_params    = TRIZEPS4_SDRAM_BASE + 0x100,
 499         .init_machine   = trizeps4_init,
 500         .map_io         = trizeps4_map_io,
 501         .init_irq       = pxa27x_init_irq,
 502         .timer          = &pxa_timer,
 503 MACHINE_END
 504