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_32BIT | SMC91X_NOWAIT,
 150         .leda = RPC_LED_100_10,
 151         .ledb = RPC_LED_TX_RX,
 152 };
 153
 154 static struct resource smc91x_resources[] = {
 155         {
 156                 .name = "smc91x-regs",
 157                 .start = 0x28000300,
 158                 .end = 0x28000300 + 16,
 159                 .flags = IORESOURCE_MEM,
 160         }, {
 161                 .start = IRQ_PF0,
 162                 .end = IRQ_PF0,
 163                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 164         },
 165 };
 166 static struct platform_device smc91x_device = {
 167         .name = "smc91x",
 168         .id = 0,
 169         .num_resources = ARRAY_SIZE(smc91x_resources),
 170         .resource = smc91x_resources,
 171         .dev    = {
 172                 .platform_data  = &smc91x_info,
 173         },
 174 };
 175 #endif
 176
 177 #if IS_ENABLED(CONFIG_SMSC911X)
 178 #include <linux/smsc911x.h>
 179
 180 static struct resource smsc911x_resources[] = {
 181         {
 182                 .name = "smsc911x-memory",
 183                 .start = 0x24008000,
 184                 .end = 0x24008000 + 0xFF,
 185                 .flags = IORESOURCE_MEM,
 186         },
 187         {
 188                 .start = IRQ_PF43,
 189                 .end = IRQ_PF43,
 190                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 191         },
 192 };
 193
 194 static struct smsc911x_platform_config smsc911x_config = {
 195         .flags = SMSC911X_USE_16BIT,
 196         .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 197         .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 198         .phy_interface = PHY_INTERFACE_MODE_MII,
 199 };
 200
 201 static struct platform_device smsc911x_device = {
 202         .name = "smsc911x",
 203         .id = 0,
 204         .num_resources = ARRAY_SIZE(smsc911x_resources),
 205         .resource = smsc911x_resources,
 206         .dev = {
 207                 .platform_data = &smsc911x_config,
 208         },
 209 };
 210 #endif
 211
 212 #if IS_ENABLED(CONFIG_USB_NET2272)
 213 static struct resource net2272_bfin_resources[] = {
 214         {
 215                 .start = 0x24000000,
 216                 .end = 0x24000000 + 0x100,
 217                 .flags = IORESOURCE_MEM,
 218         }, {
 219                 .start = IRQ_PF45,
 220                 .end = IRQ_PF45,
 221                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 222         },
 223 };
 224
 225 static struct platform_device net2272_bfin_device = {
 226         .name = "net2272",
 227         .id = -1,
 228         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 229         .resource = net2272_bfin_resources,
 230 };
 231 #endif
 232
 233 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
 234 static struct resource isp1362_hcd_resources[] = {
 235         {
 236                 .start = 0x24008000,
 237                 .end = 0x24008000,
 238                 .flags = IORESOURCE_MEM,
 239         }, {
 240                 .start = 0x24008004,
 241                 .end = 0x24008004,
 242                 .flags = IORESOURCE_MEM,
 243         }, {
 244                 .start = IRQ_PF47,
 245                 .end = IRQ_PF47,
 246                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 247         },
 248 };
 249
 250 static struct isp1362_platform_data isp1362_priv = {
 251         .sel15Kres = 1,
 252         .clknotstop = 0,
 253         .oc_enable = 0,
 254         .int_act_high = 0,
 255         .int_edge_triggered = 0,
 256         .remote_wakeup_connected = 0,
 257         .no_power_switching = 1,
 258         .power_switching_mode = 0,
 259 };
 260
 261 static struct platform_device isp1362_hcd_device = {
 262         .name = "isp1362-hcd",
 263         .id = 0,
 264         .dev = {
 265                 .platform_data = &isp1362_priv,
 266         },
 267         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 268         .resource = isp1362_hcd_resources,
 269 };
 270 #endif
 271
 272 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 273 #ifdef CONFIG_SERIAL_BFIN_UART0
 274 static struct resource bfin_uart0_resources[] = {
 275         {
 276                 .start = BFIN_UART_THR,
 277                 .end = BFIN_UART_GCTL+2,
 278                 .flags = IORESOURCE_MEM,
 279         },
 280         {
 281                 .start = IRQ_UART_TX,
 282                 .end = IRQ_UART_TX,
 283                 .flags = IORESOURCE_IRQ,
 284         },
 285         {
 286                 .start = IRQ_UART_RX,
 287                 .end = IRQ_UART_RX,
 288                 .flags = IORESOURCE_IRQ,
 289         },
 290         {
 291                 .start = IRQ_UART_ERROR,
 292                 .end = IRQ_UART_ERROR,
 293                 .flags = IORESOURCE_IRQ,
 294         },
 295         {
 296                 .start = CH_UART_TX,
 297                 .end = CH_UART_TX,
 298                 .flags = IORESOURCE_DMA,
 299         },
 300         {
 301                 .start = CH_UART_RX,
 302                 .end = CH_UART_RX,
 303                 .flags = IORESOURCE_DMA,
 304         },
 305 };
 306
 307 static unsigned short bfin_uart0_peripherals[] = {
 308         P_UART0_TX, P_UART0_RX, 0
 309 };
 310
 311 static struct platform_device bfin_uart0_device = {
 312         .name = "bfin-uart",
 313         .id = 0,
 314         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 315         .resource = bfin_uart0_resources,
 316         .dev = {
 317                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 318         },
 319 };
 320 #endif
 321 #endif
 322
 323 #if IS_ENABLED(CONFIG_BFIN_SIR)
 324 #ifdef CONFIG_BFIN_SIR0
 325 static struct resource bfin_sir0_resources[] = {
 326         {
 327                 .start = 0xFFC00400,
 328                 .end = 0xFFC004FF,
 329                 .flags = IORESOURCE_MEM,
 330         },
 331         {
 332                 .start = IRQ_UART0_RX,
 333                 .end = IRQ_UART0_RX+1,
 334                 .flags = IORESOURCE_IRQ,
 335         },
 336         {
 337                 .start = CH_UART0_RX,
 338                 .end = CH_UART0_RX+1,
 339                 .flags = IORESOURCE_DMA,
 340         },
 341 };
 342
 343 static struct platform_device bfin_sir0_device = {
 344         .name = "bfin_sir",
 345         .id = 0,
 346         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 347         .resource = bfin_sir0_resources,
 348 };
 349 #endif
 350 #endif
 351
 352 #if IS_ENABLED(CONFIG_PATA_PLATFORM)
 353 #define PATA_INT        IRQ_PF46
 354
 355 static struct pata_platform_info bfin_pata_platform_data = {
 356         .ioport_shift = 2,
 357 };
 358
 359 static struct resource bfin_pata_resources[] = {
 360         {
 361                 .start = 0x2400C000,
 362                 .end = 0x2400C001F,
 363                 .flags = IORESOURCE_MEM,
 364         },
 365         {
 366                 .start = 0x2400D018,
 367                 .end = 0x2400D01B,
 368                 .flags = IORESOURCE_MEM,
 369         },
 370         {
 371                 .start = PATA_INT,
 372                 .end = PATA_INT,
 373                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 374         },
 375 };
 376
 377 static struct platform_device bfin_pata_device = {
 378         .name = "pata_platform",
 379         .id = -1,
 380         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 381         .resource = bfin_pata_resources,
 382         .dev = {
 383                 .platform_data = &bfin_pata_platform_data,
 384         }
 385 };
 386 #endif
 387
 388 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
 389 static struct mtd_partition para_partitions[] = {
 390         {
 391                 .name       = "bootloader(nor)",
 392                 .size       = 0x40000,
 393                 .offset     = 0,
 394         }, {
 395                 .name       = "linux kernel(nor)",
 396                 .size       = 0x100000,
 397                 .offset     = MTDPART_OFS_APPEND,
 398         }, {
 399                 .name       = "file system(nor)",
 400                 .size       = MTDPART_SIZ_FULL,
 401                 .offset     = MTDPART_OFS_APPEND,
 402         }
 403 };
 404
 405 static struct physmap_flash_data para_flash_data = {
 406         .width      = 2,
 407         .parts      = para_partitions,
 408         .nr_parts   = ARRAY_SIZE(para_partitions),
 409 };
 410
 411 static struct resource para_flash_resource = {
 412         .start = 0x20000000,
 413         .end   = 0x207fffff,
 414         .flags = IORESOURCE_MEM,
 415 };
 416
 417 static struct platform_device para_flash_device = {
 418         .name          = "physmap-flash",
 419         .id            = 0,
 420         .dev = {
 421                 .platform_data = &para_flash_data,
 422         },
 423         .num_resources = 1,
 424         .resource      = &para_flash_resource,
 425 };
 426 #endif
 427
 428 static const unsigned int cclk_vlev_datasheet[] =
 429 {
 430         VRPAIR(VLEV_085, 250000000),
 431         VRPAIR(VLEV_090, 300000000),
 432         VRPAIR(VLEV_095, 313000000),
 433         VRPAIR(VLEV_100, 350000000),
 434         VRPAIR(VLEV_105, 400000000),
 435         VRPAIR(VLEV_110, 444000000),
 436         VRPAIR(VLEV_115, 450000000),
 437         VRPAIR(VLEV_120, 475000000),
 438         VRPAIR(VLEV_125, 500000000),
 439         VRPAIR(VLEV_130, 600000000),
 440 };
 441
 442 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 443         .tuple_tab = cclk_vlev_datasheet,
 444         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 445         .vr_settling_time = 25 /* us */,
 446 };
 447
 448 static struct platform_device bfin_dpmc = {
 449         .name = "bfin dpmc",
 450         .dev = {
 451                 .platform_data = &bfin_dmpc_vreg_data,
 452         },
 453 };
 454
 455 static struct platform_device *cm_bf561_devices[] __initdata = {
 456
 457         &bfin_dpmc,
 458
 459 #if IS_ENABLED(CONFIG_FB_HITACHI_TX09)
 460         &hitachi_fb_device,
 461 #endif
 462
 463 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 464 #ifdef CONFIG_SERIAL_BFIN_UART0
 465         &bfin_uart0_device,
 466 #endif
 467 #endif
 468
 469 #if IS_ENABLED(CONFIG_BFIN_SIR)
 470 #ifdef CONFIG_BFIN_SIR0
 471         &bfin_sir0_device,
 472 #endif
 473 #endif
 474
 475 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
 476         &isp1362_hcd_device,
 477 #endif
 478
 479 #if IS_ENABLED(CONFIG_SMC91X)
 480         &smc91x_device,
 481 #endif
 482
 483 #if IS_ENABLED(CONFIG_SMSC911X)
 484         &smsc911x_device,
 485 #endif
 486
 487 #if IS_ENABLED(CONFIG_USB_NET2272)
 488         &net2272_bfin_device,
 489 #endif
 490
 491 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 492         &bfin_spi0_device,
 493 #endif
 494
 495 #if IS_ENABLED(CONFIG_PATA_PLATFORM)
 496         &bfin_pata_device,
 497 #endif
 498
 499 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
 500         &para_flash_device,
 501 #endif
 502 };
 503
 504 static int __init net2272_init(void)
 505 {
 506 #if IS_ENABLED(CONFIG_USB_NET2272)
 507         int ret;
 508
 509         ret = gpio_request(GPIO_PF46, "net2272");
 510         if (ret)
 511                 return ret;
 512
 513         /* Reset USB Chip, PF46 */
 514         gpio_direction_output(GPIO_PF46, 0);
 515         mdelay(2);
 516         gpio_set_value(GPIO_PF46, 1);
 517 #endif
 518
 519         return 0;
 520 }
 521
 522 static int __init cm_bf561_init(void)
 523 {
 524         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 525         platform_add_devices(cm_bf561_devices, ARRAY_SIZE(cm_bf561_devices));
 526 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 527         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 528 #endif
 529
 530 #if IS_ENABLED(CONFIG_PATA_PLATFORM)
 531         irq_set_status_flags(PATA_INT, IRQ_NOAUTOEN);
 532 #endif
 533
 534         if (net2272_init())
 535                 pr_warning("unable to configure net2272; it probably won't work\n");
 536
 537         return 0;
 538 }
 539
 540 arch_initcall(cm_bf561_init);
 541
 542 static struct platform_device *cm_bf561_early_devices[] __initdata = {
 543 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 544 #ifdef CONFIG_SERIAL_BFIN_UART0
 545         &bfin_uart0_device,
 546 #endif
 547 #endif
 548 };
 549
 550 void __init native_machine_early_platform_add_devices(void)
 551 {
 552         printk(KERN_INFO "register early platform devices\n");
 553         early_platform_add_devices(cm_bf561_early_devices,
 554                 ARRAY_SIZE(cm_bf561_early_devices));
 555 }