arch/blackfin/mach-bf561/boards/cm_bf561.c

   1 /*
   2  * Copyright 2004-2009 Analog Devices Inc.
   3  *               2008-2009 Bluetechnix
   4  *               2005 National ICT Australia (NICTA)
   5  *                    Aidan Williams <aidan@nicta.com.au>
   6  *
   7  * Licensed under the GPL-2 or later.
   8  */
   9
  10 #include <linux/device.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14 #include <linux/spi/spi.h>
  15 #include <linux/spi/flash.h>
  16 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
  17 #include <linux/usb/isp1362.h>
  18 #endif
  19 #include <linux/ata_platform.h>
  20 #include <linux/irq.h>
  21 #include <linux/gpio.h>
  22 #include <asm/dma.h>
  23 #include <asm/bfin5xx_spi.h>
  24 #include <asm/portmux.h>
  25 #include <asm/dpmc.h>
  26 #include <linux/mtd/physmap.h>
  27
  28 /*
  29  * Name the Board for the /proc/cpuinfo
  30  */
  31 const char bfin_board_name[] = "Bluetechnix CM BF561";
  32
  33 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
  34 /* all SPI peripherals info goes here */
  35
  36 #if IS_ENABLED(CONFIG_MTD_M25P80)
  37 static struct mtd_partition bfin_spi_flash_partitions[] = {
  38         {
  39                 .name = "bootloader(spi)",
  40                 .size = 0x00020000,
  41                 .offset = 0,
  42                 .mask_flags = MTD_CAP_ROM
  43         }, {
  44                 .name = "linux kernel(spi)",
  45                 .size = 0xe0000,
  46                 .offset = 0x20000
  47         }, {
  48                 .name = "file system(spi)",
  49                 .size = 0x700000,
  50                 .offset = 0x00100000,
  51         }
  52 };
  53
  54 static struct flash_platform_data bfin_spi_flash_data = {
  55         .name = "m25p80",
  56         .parts = bfin_spi_flash_partitions,
  57         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
  58         .type = "m25p64",
  59 };
  60
  61 /* SPI flash chip (m25p64) */
  62 static struct bfin5xx_spi_chip spi_flash_chip_info = {
  63         .enable_dma = 0,         /* use dma transfer with this chip*/
  64 };
  65 #endif
  66
  67 static struct spi_board_info bfin_spi_board_info[] __initdata = {
  68 #if IS_ENABLED(CONFIG_MTD_M25P80)
  69         {
  70                 /* the modalias must be the same as spi device driver name */
  71                 .modalias = "m25p80", /* Name of spi_driver for this device */
  72                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
  73                 .bus_num = 0, /* Framework bus number */
  74                 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
  75                 .platform_data = &bfin_spi_flash_data,
  76                 .controller_data = &spi_flash_chip_info,
  77                 .mode = SPI_MODE_3,
  78         },
  79 #endif
  80
  81 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
  82         {
  83                 .modalias = "ad183x",
  84                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
  85                 .bus_num = 0,
  86                 .chip_select = 4,
  87         },
  88 #endif
  89 #if IS_ENABLED(CONFIG_MMC_SPI)
  90         {
  91                 .modalias = "mmc_spi",
  92                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
  93                 .bus_num = 0,
  94                 .chip_select = 1,
  95                 .mode = SPI_MODE_3,
  96         },
  97 #endif
  98 };
  99
 100 /* SPI (0) */
 101 static struct resource bfin_spi0_resource[] = {
 102         [0] = {
 103                 .start = SPI0_REGBASE,
 104                 .end   = SPI0_REGBASE + 0xFF,
 105                 .flags = IORESOURCE_MEM,
 106         },
 107         [1] = {
 108                 .start = CH_SPI,
 109                 .end   = CH_SPI,
 110                 .flags = IORESOURCE_DMA,
 111         },
 112         [2] = {
 113                 .start = IRQ_SPI,
 114                 .end   = IRQ_SPI,
 115                 .flags = IORESOURCE_IRQ,
 116         },
 117 };
 118
 119 /* SPI controller data */
 120 static struct bfin5xx_spi_master bfin_spi0_info = {
 121         .num_chipselect = 8,
 122         .enable_dma = 1,  /* master has the ability to do dma transfer */
 123         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 124 };
 125
 126 static struct platform_device bfin_spi0_device = {
 127         .name = "bfin-spi",
 128         .id = 0, /* Bus number */
 129         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 130         .resource = bfin_spi0_resource,
 131         .dev = {
 132                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 133         },
 134 };
 135 #endif  /* spi master and devices */
 136
 137
 138 #if IS_ENABLED(CONFIG_FB_HITACHI_TX09)
 139 static struct platform_device hitachi_fb_device = {
 140         .name = "hitachi-tx09",
 141 };
 142 #endif
 143
 144
 145 #if IS_ENABLED(CONFIG_SMC91X)
 146 #include <linux/smc91x.h>
 147
 148 static struct smc91x_platdata smc91x_info = {
 149         .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
 150                  SMC91X_NOWAIT,
 151         .leda = RPC_LED_100_10,
 152         .ledb = RPC_LED_TX_RX,
 153 };
 154
 155 static struct resource smc91x_resources[] = {
 156         {
 157                 .name = "smc91x-regs",
 158                 .start = 0x28000300,
 159                 .end = 0x28000300 + 16,
 160                 .flags = IORESOURCE_MEM,
 161         }, {
 162                 .start = IRQ_PF0,
 163                 .end = IRQ_PF0,
 164                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 165         },
 166 };
 167 static struct platform_device smc91x_device = {
 168         .name = "smc91x",
 169         .id = 0,
 170         .num_resources = ARRAY_SIZE(smc91x_resources),
 171         .resource = smc91x_resources,
 172         .dev    = {
 173                 .platform_data  = &smc91x_info,
 174         },
 175 };
 176 #endif
 177
 178 #if IS_ENABLED(CONFIG_SMSC911X)
 179 #include <linux/smsc911x.h>
 180
 181 static struct resource smsc911x_resources[] = {
 182         {
 183                 .name = "smsc911x-memory",
 184                 .start = 0x24008000,
 185                 .end = 0x24008000 + 0xFF,
 186                 .flags = IORESOURCE_MEM,
 187         },
 188         {
 189                 .start = IRQ_PF43,
 190                 .end = IRQ_PF43,
 191                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 192         },
 193 };
 194
 195 static struct smsc911x_platform_config smsc911x_config = {
 196         .flags = SMSC911X_USE_16BIT,
 197         .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 198         .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 199         .phy_interface = PHY_INTERFACE_MODE_MII,
 200 };
 201
 202 static struct platform_device smsc911x_device = {
 203         .name = "smsc911x",
 204         .id = 0,
 205         .num_resources = ARRAY_SIZE(smsc911x_resources),
 206         .resource = smsc911x_resources,
 207         .dev = {
 208                 .platform_data = &smsc911x_config,
 209         },
 210 };
 211 #endif
 212
 213 #if IS_ENABLED(CONFIG_USB_NET2272)
 214 static struct resource net2272_bfin_resources[] = {
 215         {
 216                 .start = 0x24000000,
 217                 .end = 0x24000000 + 0x100,
 218                 .flags = IORESOURCE_MEM,
 219         }, {
 220                 .start = IRQ_PF45,
 221                 .end = IRQ_PF45,
 222                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 223         },
 224 };
 225
 226 static struct platform_device net2272_bfin_device = {
 227         .name = "net2272",
 228         .id = -1,
 229         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 230         .resource = net2272_bfin_resources,
 231 };
 232 #endif
 233
 234 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
 235 static struct resource isp1362_hcd_resources[] = {
 236         {
 237                 .start = 0x24008000,
 238                 .end = 0x24008000,
 239                 .flags = IORESOURCE_MEM,
 240         }, {
 241                 .start = 0x24008004,
 242                 .end = 0x24008004,
 243                 .flags = IORESOURCE_MEM,
 244         }, {
 245                 .start = IRQ_PF47,
 246                 .end = IRQ_PF47,
 247                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 248         },
 249 };
 250
 251 static struct isp1362_platform_data isp1362_priv = {
 252         .sel15Kres = 1,
 253         .clknotstop = 0,
 254         .oc_enable = 0,
 255         .int_act_high = 0,
 256         .int_edge_triggered = 0,
 257         .remote_wakeup_connected = 0,
 258         .no_power_switching = 1,
 259         .power_switching_mode = 0,
 260 };
 261
 262 static struct platform_device isp1362_hcd_device = {
 263         .name = "isp1362-hcd",
 264         .id = 0,
 265         .dev = {
 266                 .platform_data = &isp1362_priv,
 267         },
 268         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 269         .resource = isp1362_hcd_resources,
 270 };
 271 #endif
 272
 273 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 274 #ifdef CONFIG_SERIAL_BFIN_UART0
 275 static struct resource bfin_uart0_resources[] = {
 276         {
 277                 .start = BFIN_UART_THR,
 278                 .end = BFIN_UART_GCTL+2,
 279                 .flags = IORESOURCE_MEM,
 280         },
 281         {
 282                 .start = IRQ_UART_TX,
 283                 .end = IRQ_UART_TX,
 284                 .flags = IORESOURCE_IRQ,
 285         },
 286         {
 287                 .start = IRQ_UART_RX,
 288                 .end = IRQ_UART_RX,
 289                 .flags = IORESOURCE_IRQ,
 290         },
 291         {
 292                 .start = IRQ_UART_ERROR,
 293                 .end = IRQ_UART_ERROR,
 294                 .flags = IORESOURCE_IRQ,
 295         },
 296         {
 297                 .start = CH_UART_TX,
 298                 .end = CH_UART_TX,
 299                 .flags = IORESOURCE_DMA,
 300         },
 301         {
 302                 .start = CH_UART_RX,
 303                 .end = CH_UART_RX,
 304                 .flags = IORESOURCE_DMA,
 305         },
 306 };
 307
 308 static unsigned short bfin_uart0_peripherals[] = {
 309         P_UART0_TX, P_UART0_RX, 0
 310 };
 311
 312 static struct platform_device bfin_uart0_device = {
 313         .name = "bfin-uart",
 314         .id = 0,
 315         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 316         .resource = bfin_uart0_resources,
 317         .dev = {
 318                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 319         },
 320 };
 321 #endif
 322 #endif
 323
 324 #if IS_ENABLED(CONFIG_BFIN_SIR)
 325 #ifdef CONFIG_BFIN_SIR0
 326 static struct resource bfin_sir0_resources[] = {
 327         {
 328                 .start = 0xFFC00400,
 329                 .end = 0xFFC004FF,
 330                 .flags = IORESOURCE_MEM,
 331         },
 332         {
 333                 .start = IRQ_UART0_RX,
 334                 .end = IRQ_UART0_RX+1,
 335                 .flags = IORESOURCE_IRQ,
 336         },
 337         {
 338                 .start = CH_UART0_RX,
 339                 .end = CH_UART0_RX+1,
 340                 .flags = IORESOURCE_DMA,
 341         },
 342 };
 343
 344 static struct platform_device bfin_sir0_device = {
 345         .name = "bfin_sir",
 346         .id = 0,
 347         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 348         .resource = bfin_sir0_resources,
 349 };
 350 #endif
 351 #endif
 352
 353 #if IS_ENABLED(CONFIG_PATA_PLATFORM)
 354 #define PATA_INT        IRQ_PF46
 355
 356 static struct pata_platform_info bfin_pata_platform_data = {
 357         .ioport_shift = 2,
 358 };
 359
 360 static struct resource bfin_pata_resources[] = {
 361         {
 362                 .start = 0x2400C000,
 363                 .end = 0x2400C001F,
 364                 .flags = IORESOURCE_MEM,
 365         },
 366         {
 367                 .start = 0x2400D018,
 368                 .end = 0x2400D01B,
 369                 .flags = IORESOURCE_MEM,
 370         },
 371         {
 372                 .start = PATA_INT,
 373                 .end = PATA_INT,
 374                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 375         },
 376 };
 377
 378 static struct platform_device bfin_pata_device = {
 379         .name = "pata_platform",
 380         .id = -1,
 381         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 382         .resource = bfin_pata_resources,
 383         .dev = {
 384                 .platform_data = &bfin_pata_platform_data,
 385         }
 386 };
 387 #endif
 388
 389 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
 390 static struct mtd_partition para_partitions[] = {
 391         {
 392                 .name       = "bootloader(nor)",
 393                 .size       = 0x40000,
 394                 .offset     = 0,
 395         }, {
 396                 .name       = "linux kernel(nor)",
 397                 .size       = 0x100000,
 398                 .offset     = MTDPART_OFS_APPEND,
 399         }, {
 400                 .name       = "file system(nor)",
 401                 .size       = MTDPART_SIZ_FULL,
 402                 .offset     = MTDPART_OFS_APPEND,
 403         }
 404 };
 405
 406 static struct physmap_flash_data para_flash_data = {
 407         .width      = 2,
 408         .parts      = para_partitions,
 409         .nr_parts   = ARRAY_SIZE(para_partitions),
 410 };
 411
 412 static struct resource para_flash_resource = {
 413         .start = 0x20000000,
 414         .end   = 0x207fffff,
 415         .flags = IORESOURCE_MEM,
 416 };
 417
 418 static struct platform_device para_flash_device = {
 419         .name          = "physmap-flash",
 420         .id            = 0,
 421         .dev = {
 422                 .platform_data = &para_flash_data,
 423         },
 424         .num_resources = 1,
 425         .resource      = &para_flash_resource,
 426 };
 427 #endif
 428
 429 static const unsigned int cclk_vlev_datasheet[] =
 430 {
 431         VRPAIR(VLEV_085, 250000000),
 432         VRPAIR(VLEV_090, 300000000),
 433         VRPAIR(VLEV_095, 313000000),
 434         VRPAIR(VLEV_100, 350000000),
 435         VRPAIR(VLEV_105, 400000000),
 436         VRPAIR(VLEV_110, 444000000),
 437         VRPAIR(VLEV_115, 450000000),
 438         VRPAIR(VLEV_120, 475000000),
 439         VRPAIR(VLEV_125, 500000000),
 440         VRPAIR(VLEV_130, 600000000),
 441 };
 442
 443 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 444         .tuple_tab = cclk_vlev_datasheet,
 445         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 446         .vr_settling_time = 25 /* us */,
 447 };
 448
 449 static struct platform_device bfin_dpmc = {
 450         .name = "bfin dpmc",
 451         .dev = {
 452                 .platform_data = &bfin_dmpc_vreg_data,
 453         },
 454 };
 455
 456 static struct platform_device *cm_bf561_devices[] __initdata = {
 457
 458         &bfin_dpmc,
 459
 460 #if IS_ENABLED(CONFIG_FB_HITACHI_TX09)
 461         &hitachi_fb_device,
 462 #endif
 463
 464 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 465 #ifdef CONFIG_SERIAL_BFIN_UART0
 466         &bfin_uart0_device,
 467 #endif
 468 #endif
 469
 470 #if IS_ENABLED(CONFIG_BFIN_SIR)
 471 #ifdef CONFIG_BFIN_SIR0
 472         &bfin_sir0_device,
 473 #endif
 474 #endif
 475
 476 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
 477         &isp1362_hcd_device,
 478 #endif
 479
 480 #if IS_ENABLED(CONFIG_SMC91X)
 481         &smc91x_device,
 482 #endif
 483
 484 #if IS_ENABLED(CONFIG_SMSC911X)
 485         &smsc911x_device,
 486 #endif
 487
 488 #if IS_ENABLED(CONFIG_USB_NET2272)
 489         &net2272_bfin_device,
 490 #endif
 491
 492 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 493         &bfin_spi0_device,
 494 #endif
 495
 496 #if IS_ENABLED(CONFIG_PATA_PLATFORM)
 497         &bfin_pata_device,
 498 #endif
 499
 500 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
 501         &para_flash_device,
 502 #endif
 503 };
 504
 505 static int __init net2272_init(void)
 506 {
 507 #if IS_ENABLED(CONFIG_USB_NET2272)
 508         int ret;
 509
 510         ret = gpio_request(GPIO_PF46, "net2272");
 511         if (ret)
 512                 return ret;
 513
 514         /* Reset USB Chip, PF46 */
 515         gpio_direction_output(GPIO_PF46, 0);
 516         mdelay(2);
 517         gpio_set_value(GPIO_PF46, 1);
 518 #endif
 519
 520         return 0;
 521 }
 522
 523 static int __init cm_bf561_init(void)
 524 {
 525         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 526         platform_add_devices(cm_bf561_devices, ARRAY_SIZE(cm_bf561_devices));
 527 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 528         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 529 #endif
 530
 531 #if IS_ENABLED(CONFIG_PATA_PLATFORM)
 532         irq_set_status_flags(PATA_INT, IRQ_NOAUTOEN);
 533 #endif
 534
 535         if (net2272_init())
 536                 pr_warning("unable to configure net2272; it probably won't work\n");
 537
 538         return 0;
 539 }
 540
 541 arch_initcall(cm_bf561_init);
 542
 543 static struct platform_device *cm_bf561_early_devices[] __initdata = {
 544 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 545 #ifdef CONFIG_SERIAL_BFIN_UART0
 546         &bfin_uart0_device,
 547 #endif
 548 #endif
 549 };
 550
 551 void __init native_machine_early_platform_add_devices(void)
 552 {
 553         printk(KERN_INFO "register early platform devices\n");
 554         early_platform_add_devices(cm_bf561_early_devices,
 555                 ARRAY_SIZE(cm_bf561_early_devices));
 556 }