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 <asm/dma.h>
  22 #include <asm/bfin5xx_spi.h>
  23 #include <asm/portmux.h>
  24 #include <asm/dpmc.h>
  25 #include <linux/mtd/physmap.h>
  26
  27 /*
  28  * Name the Board for the /proc/cpuinfo
  29  */
  30 const char bfin_board_name[] = "Bluetechnix CM BF561";
  31
  32 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
  33 /* all SPI peripherals info goes here */
  34
  35 #if IS_ENABLED(CONFIG_MTD_M25P80)
  36 static struct mtd_partition bfin_spi_flash_partitions[] = {
  37         {
  38                 .name = "bootloader(spi)",
  39                 .size = 0x00020000,
  40                 .offset = 0,
  41                 .mask_flags = MTD_CAP_ROM
  42         }, {
  43                 .name = "linux kernel(spi)",
  44                 .size = 0xe0000,
  45                 .offset = 0x20000
  46         }, {
  47                 .name = "file system(spi)",
  48                 .size = 0x700000,
  49                 .offset = 0x00100000,
  50         }
  51 };
  52
  53 static struct flash_platform_data bfin_spi_flash_data = {
  54         .name = "m25p80",
  55         .parts = bfin_spi_flash_partitions,
  56         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
  57         .type = "m25p64",
  58 };
  59
  60 /* SPI flash chip (m25p64) */
  61 static struct bfin5xx_spi_chip spi_flash_chip_info = {
  62         .enable_dma = 0,         /* use dma transfer with this chip*/
  63 };
  64 #endif
  65
  66 static struct spi_board_info bfin_spi_board_info[] __initdata = {
  67 #if IS_ENABLED(CONFIG_MTD_M25P80)
  68         {
  69                 /* the modalias must be the same as spi device driver name */
  70                 .modalias = "m25p80", /* Name of spi_driver for this device */
  71                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
  72                 .bus_num = 0, /* Framework bus number */
  73                 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
  74                 .platform_data = &bfin_spi_flash_data,
  75                 .controller_data = &spi_flash_chip_info,
  76                 .mode = SPI_MODE_3,
  77         },
  78 #endif
  79
  80 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
  81         {
  82                 .modalias = "ad183x",
  83                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
  84                 .bus_num = 0,
  85                 .chip_select = 4,
  86         },
  87 #endif
  88 #if IS_ENABLED(CONFIG_MMC_SPI)
  89         {
  90                 .modalias = "mmc_spi",
  91                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
  92                 .bus_num = 0,
  93                 .chip_select = 1,
  94                 .mode = SPI_MODE_3,
  95         },
  96 #endif
  97 };
  98
  99 /* SPI (0) */
 100 static struct resource bfin_spi0_resource[] = {
 101         [0] = {
 102                 .start = SPI0_REGBASE,
 103                 .end   = SPI0_REGBASE + 0xFF,
 104                 .flags = IORESOURCE_MEM,
 105         },
 106         [1] = {
 107                 .start = CH_SPI,
 108                 .end   = CH_SPI,
 109                 .flags = IORESOURCE_DMA,
 110         },
 111         [2] = {
 112                 .start = IRQ_SPI,
 113                 .end   = IRQ_SPI,
 114                 .flags = IORESOURCE_IRQ,
 115         },
 116 };
 117
 118 /* SPI controller data */
 119 static struct bfin5xx_spi_master bfin_spi0_info = {
 120         .num_chipselect = 8,
 121         .enable_dma = 1,  /* master has the ability to do dma transfer */
 122         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 123 };
 124
 125 static struct platform_device bfin_spi0_device = {
 126         .name = "bfin-spi",
 127         .id = 0, /* Bus number */
 128         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 129         .resource = bfin_spi0_resource,
 130         .dev = {
 131                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 132         },
 133 };
 134 #endif  /* spi master and devices */
 135
 136
 137 #if IS_ENABLED(CONFIG_FB_HITACHI_TX09)
 138 static struct platform_device hitachi_fb_device = {
 139         .name = "hitachi-tx09",
 140 };
 141 #endif
 142
 143
 144 #if IS_ENABLED(CONFIG_SMC91X)
 145 #include <linux/smc91x.h>
 146
 147 static struct smc91x_platdata smc91x_info = {
 148         .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
 149         .leda = RPC_LED_100_10,
 150         .ledb = RPC_LED_TX_RX,
 151 };
 152
 153 static struct resource smc91x_resources[] = {
 154         {
 155                 .name = "smc91x-regs",
 156                 .start = 0x28000300,
 157                 .end = 0x28000300 + 16,
 158                 .flags = IORESOURCE_MEM,
 159         }, {
 160                 .start = IRQ_PF0,
 161                 .end = IRQ_PF0,
 162                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 163         },
 164 };
 165 static struct platform_device smc91x_device = {
 166         .name = "smc91x",
 167         .id = 0,
 168         .num_resources = ARRAY_SIZE(smc91x_resources),
 169         .resource = smc91x_resources,
 170         .dev    = {
 171                 .platform_data  = &smc91x_info,
 172         },
 173 };
 174 #endif
 175
 176 #if IS_ENABLED(CONFIG_SMSC911X)
 177 #include <linux/smsc911x.h>
 178
 179 static struct resource smsc911x_resources[] = {
 180         {
 181                 .name = "smsc911x-memory",
 182                 .start = 0x24008000,
 183                 .end = 0x24008000 + 0xFF,
 184                 .flags = IORESOURCE_MEM,
 185         },
 186         {
 187                 .start = IRQ_PF43,
 188                 .end = IRQ_PF43,
 189                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 190         },
 191 };
 192
 193 static struct smsc911x_platform_config smsc911x_config = {
 194         .flags = SMSC911X_USE_16BIT,
 195         .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 196         .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 197         .phy_interface = PHY_INTERFACE_MODE_MII,
 198 };
 199
 200 static struct platform_device smsc911x_device = {
 201         .name = "smsc911x",
 202         .id = 0,
 203         .num_resources = ARRAY_SIZE(smsc911x_resources),
 204         .resource = smsc911x_resources,
 205         .dev = {
 206                 .platform_data = &smsc911x_config,
 207         },
 208 };
 209 #endif
 210
 211 #if IS_ENABLED(CONFIG_USB_NET2272)
 212 static struct resource net2272_bfin_resources[] = {
 213         {
 214                 .start = 0x24000000,
 215                 .end = 0x24000000 + 0x100,
 216                 .flags = IORESOURCE_MEM,
 217         }, {
 218                 .start = IRQ_PF45,
 219                 .end = IRQ_PF45,
 220                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 221         },
 222 };
 223
 224 static struct platform_device net2272_bfin_device = {
 225         .name = "net2272",
 226         .id = -1,
 227         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 228         .resource = net2272_bfin_resources,
 229 };
 230 #endif
 231
 232 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
 233 static struct resource isp1362_hcd_resources[] = {
 234         {
 235                 .start = 0x24008000,
 236                 .end = 0x24008000,
 237                 .flags = IORESOURCE_MEM,
 238         }, {
 239                 .start = 0x24008004,
 240                 .end = 0x24008004,
 241                 .flags = IORESOURCE_MEM,
 242         }, {
 243                 .start = IRQ_PF47,
 244                 .end = IRQ_PF47,
 245                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 246         },
 247 };
 248
 249 static struct isp1362_platform_data isp1362_priv = {
 250         .sel15Kres = 1,
 251         .clknotstop = 0,
 252         .oc_enable = 0,
 253         .int_act_high = 0,
 254         .int_edge_triggered = 0,
 255         .remote_wakeup_connected = 0,
 256         .no_power_switching = 1,
 257         .power_switching_mode = 0,
 258 };
 259
 260 static struct platform_device isp1362_hcd_device = {
 261         .name = "isp1362-hcd",
 262         .id = 0,
 263         .dev = {
 264                 .platform_data = &isp1362_priv,
 265         },
 266         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 267         .resource = isp1362_hcd_resources,
 268 };
 269 #endif
 270
 271 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 272 #ifdef CONFIG_SERIAL_BFIN_UART0
 273 static struct resource bfin_uart0_resources[] = {
 274         {
 275                 .start = BFIN_UART_THR,
 276                 .end = BFIN_UART_GCTL+2,
 277                 .flags = IORESOURCE_MEM,
 278         },
 279         {
 280                 .start = IRQ_UART_TX,
 281                 .end = IRQ_UART_TX,
 282                 .flags = IORESOURCE_IRQ,
 283         },
 284         {
 285                 .start = IRQ_UART_RX,
 286                 .end = IRQ_UART_RX,
 287                 .flags = IORESOURCE_IRQ,
 288         },
 289         {
 290                 .start = IRQ_UART_ERROR,
 291                 .end = IRQ_UART_ERROR,
 292                 .flags = IORESOURCE_IRQ,
 293         },
 294         {
 295                 .start = CH_UART_TX,
 296                 .end = CH_UART_TX,
 297                 .flags = IORESOURCE_DMA,
 298         },
 299         {
 300                 .start = CH_UART_RX,
 301                 .end = CH_UART_RX,
 302                 .flags = IORESOURCE_DMA,
 303         },
 304 };
 305
 306 static unsigned short bfin_uart0_peripherals[] = {
 307         P_UART0_TX, P_UART0_RX, 0
 308 };
 309
 310 static struct platform_device bfin_uart0_device = {
 311         .name = "bfin-uart",
 312         .id = 0,
 313         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 314         .resource = bfin_uart0_resources,
 315         .dev = {
 316                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 317         },
 318 };
 319 #endif
 320 #endif
 321
 322 #if IS_ENABLED(CONFIG_BFIN_SIR)
 323 #ifdef CONFIG_BFIN_SIR0
 324 static struct resource bfin_sir0_resources[] = {
 325         {
 326                 .start = 0xFFC00400,
 327                 .end = 0xFFC004FF,
 328                 .flags = IORESOURCE_MEM,
 329         },
 330         {
 331                 .start = IRQ_UART0_RX,
 332                 .end = IRQ_UART0_RX+1,
 333                 .flags = IORESOURCE_IRQ,
 334         },
 335         {
 336                 .start = CH_UART0_RX,
 337                 .end = CH_UART0_RX+1,
 338                 .flags = IORESOURCE_DMA,
 339         },
 340 };
 341
 342 static struct platform_device bfin_sir0_device = {
 343         .name = "bfin_sir",
 344         .id = 0,
 345         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 346         .resource = bfin_sir0_resources,
 347 };
 348 #endif
 349 #endif
 350
 351 #if IS_ENABLED(CONFIG_PATA_PLATFORM)
 352 #define PATA_INT        IRQ_PF46
 353
 354 static struct pata_platform_info bfin_pata_platform_data = {
 355         .ioport_shift = 2,
 356         .irq_type = IRQF_TRIGGER_HIGH,
 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,
 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 }