arch/blackfin/mach-bf533/boards/cm_bf533.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/mtd/physmap.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/flash.h>
  17 #include <linux/spi/mmc_spi.h>
  18 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
  19 #include <linux/usb/isp1362.h>
  20 #endif
  21 #include <linux/irq.h>
  22 #include <asm/dma.h>
  23 #include <asm/bfin5xx_spi.h>
  24 #include <asm/portmux.h>
  25 #include <asm/dpmc.h>
  26
  27 /*
  28  * Name the Board for the /proc/cpuinfo
  29  */
  30 const char bfin_board_name[] = "Bluetechnix CM BF533";
  31
  32 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
  33 /* all SPI peripherals info goes here */
  34 #if IS_ENABLED(CONFIG_MTD_M25P80)
  35 static struct mtd_partition bfin_spi_flash_partitions[] = {
  36         {
  37                 .name = "bootloader(spi)",
  38                 .size = 0x00020000,
  39                 .offset = 0,
  40                 .mask_flags = MTD_CAP_ROM
  41         }, {
  42                 .name = "linux kernel(spi)",
  43                 .size = 0xe0000,
  44                 .offset = 0x20000
  45         }, {
  46                 .name = "file system(spi)",
  47                 .size = 0x700000,
  48                 .offset = 0x00100000,
  49         }
  50 };
  51
  52 static struct flash_platform_data bfin_spi_flash_data = {
  53         .name = "m25p80",
  54         .parts = bfin_spi_flash_partitions,
  55         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
  56         .type = "m25p64",
  57 };
  58
  59 /* SPI flash chip (m25p64) */
  60 static struct bfin5xx_spi_chip spi_flash_chip_info = {
  61         .enable_dma = 0,         /* use dma transfer with this chip*/
  62 };
  63 #endif
  64
  65 #if IS_ENABLED(CONFIG_MMC_SPI)
  66 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
  67         .enable_dma = 0,
  68 };
  69 #endif
  70
  71 static struct spi_board_info bfin_spi_board_info[] __initdata = {
  72 #if IS_ENABLED(CONFIG_MTD_M25P80)
  73         {
  74                 /* the modalias must be the same as spi device driver name */
  75                 .modalias = "m25p80",       /* Name of spi_driver for this device */
  76                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
  77                 .bus_num = 0,               /* Framework bus number */
  78                 .chip_select = 1,           /* Framework chip select. On STAMP537 it is SPISSEL1*/
  79                 .platform_data = &bfin_spi_flash_data,
  80                 .controller_data = &spi_flash_chip_info,
  81                 .mode = SPI_MODE_3,
  82         },
  83 #endif
  84
  85 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
  86         {
  87                 .modalias = "ad183x",
  88                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
  89                 .bus_num = 0,
  90                 .chip_select = 4,
  91         },
  92 #endif
  93
  94 #if IS_ENABLED(CONFIG_MMC_SPI)
  95         {
  96                 .modalias = "mmc_spi",
  97                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
  98                 .bus_num = 0,
  99                 .chip_select = 1,
 100                 .controller_data = &mmc_spi_chip_info,
 101                 .mode = SPI_MODE_3,
 102         },
 103 #endif
 104 };
 105
 106 /* SPI (0) */
 107 static struct resource bfin_spi0_resource[] = {
 108         [0] = {
 109                 .start = SPI0_REGBASE,
 110                 .end   = SPI0_REGBASE + 0xFF,
 111                 .flags = IORESOURCE_MEM,
 112         },
 113         [1] = {
 114                 .start = CH_SPI,
 115                 .end   = CH_SPI,
 116                 .flags = IORESOURCE_DMA,
 117         },
 118         [2] = {
 119                 .start = IRQ_SPI,
 120                 .end   = IRQ_SPI,
 121                 .flags = IORESOURCE_IRQ,
 122         }
 123 };
 124
 125 /* SPI controller data */
 126 static struct bfin5xx_spi_master bfin_spi0_info = {
 127         .num_chipselect = 8,
 128         .enable_dma = 1,  /* master has the ability to do dma transfer */
 129         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 130 };
 131
 132 static struct platform_device bfin_spi0_device = {
 133         .name = "bfin-spi",
 134         .id = 0, /* Bus number */
 135         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 136         .resource = bfin_spi0_resource,
 137         .dev = {
 138                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 139         },
 140 };
 141 #endif  /* spi master and devices */
 142
 143 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
 144 static struct platform_device rtc_device = {
 145         .name = "rtc-bfin",
 146         .id   = -1,
 147 };
 148 #endif
 149
 150 #if IS_ENABLED(CONFIG_SMC91X)
 151 #include <linux/smc91x.h>
 152
 153 static struct smc91x_platdata smc91x_info = {
 154         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 155         .leda = RPC_LED_100_10,
 156         .ledb = RPC_LED_TX_RX,
 157 };
 158
 159 static struct resource smc91x_resources[] = {
 160         {
 161                 .start = 0x20200300,
 162                 .end = 0x20200300 + 16,
 163                 .flags = IORESOURCE_MEM,
 164         }, {
 165                 .start = IRQ_PF0,
 166                 .end = IRQ_PF0,
 167                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 168         },
 169 };
 170 static struct platform_device smc91x_device = {
 171         .name = "smc91x",
 172         .id = 0,
 173         .num_resources = ARRAY_SIZE(smc91x_resources),
 174         .resource = smc91x_resources,
 175         .dev    = {
 176                 .platform_data  = &smc91x_info,
 177         },
 178 };
 179 #endif
 180
 181 #if IS_ENABLED(CONFIG_SMSC911X)
 182 #include <linux/smsc911x.h>
 183
 184 static struct resource smsc911x_resources[] = {
 185         {
 186                 .name = "smsc911x-memory",
 187                 .start = 0x20308000,
 188                 .end = 0x20308000 + 0xFF,
 189                 .flags = IORESOURCE_MEM,
 190         }, {
 191                 .start = IRQ_PF8,
 192                 .end = IRQ_PF8,
 193                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 194         },
 195 };
 196
 197 static struct smsc911x_platform_config smsc911x_config = {
 198         .flags = SMSC911X_USE_16BIT,
 199         .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 200         .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 201         .phy_interface = PHY_INTERFACE_MODE_MII,
 202 };
 203
 204 static struct platform_device smsc911x_device = {
 205         .name = "smsc911x",
 206         .id = 0,
 207         .num_resources = ARRAY_SIZE(smsc911x_resources),
 208         .resource = smsc911x_resources,
 209         .dev = {
 210                 .platform_data = &smsc911x_config,
 211         },
 212 };
 213 #endif
 214
 215 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 216 #ifdef CONFIG_SERIAL_BFIN_UART0
 217 static struct resource bfin_uart0_resources[] = {
 218         {
 219                 .start = BFIN_UART_THR,
 220                 .end = BFIN_UART_GCTL+2,
 221                 .flags = IORESOURCE_MEM,
 222         },
 223         {
 224                 .start = IRQ_UART0_TX,
 225                 .end = IRQ_UART0_TX,
 226                 .flags = IORESOURCE_IRQ,
 227         },
 228         {
 229                 .start = IRQ_UART0_RX,
 230                 .end = IRQ_UART0_RX,
 231                 .flags = IORESOURCE_IRQ,
 232         },
 233         {
 234                 .start = IRQ_UART0_ERROR,
 235                 .end = IRQ_UART0_ERROR,
 236                 .flags = IORESOURCE_IRQ,
 237         },
 238         {
 239                 .start = CH_UART0_TX,
 240                 .end = CH_UART0_TX,
 241                 .flags = IORESOURCE_DMA,
 242         },
 243         {
 244                 .start = CH_UART0_RX,
 245                 .end = CH_UART0_RX,
 246                 .flags = IORESOURCE_DMA,
 247         },
 248 };
 249
 250 static unsigned short bfin_uart0_peripherals[] = {
 251         P_UART0_TX, P_UART0_RX, 0
 252 };
 253
 254 static struct platform_device bfin_uart0_device = {
 255         .name = "bfin-uart",
 256         .id = 0,
 257         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 258         .resource = bfin_uart0_resources,
 259         .dev = {
 260                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 261         },
 262 };
 263 #endif
 264 #endif
 265
 266 #if IS_ENABLED(CONFIG_BFIN_SIR)
 267 #ifdef CONFIG_BFIN_SIR0
 268 static struct resource bfin_sir0_resources[] = {
 269         {
 270                 .start = 0xFFC00400,
 271                 .end = 0xFFC004FF,
 272                 .flags = IORESOURCE_MEM,
 273         },
 274         {
 275                 .start = IRQ_UART0_RX,
 276                 .end = IRQ_UART0_RX+1,
 277                 .flags = IORESOURCE_IRQ,
 278         },
 279         {
 280                 .start = CH_UART0_RX,
 281                 .end = CH_UART0_RX+1,
 282                 .flags = IORESOURCE_DMA,
 283         },
 284 };
 285
 286 static struct platform_device bfin_sir0_device = {
 287         .name = "bfin_sir",
 288         .id = 0,
 289         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 290         .resource = bfin_sir0_resources,
 291 };
 292 #endif
 293 #endif
 294
 295 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
 296 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 297 static struct resource bfin_sport0_uart_resources[] = {
 298         {
 299                 .start = SPORT0_TCR1,
 300                 .end = SPORT0_MRCS3+4,
 301                 .flags = IORESOURCE_MEM,
 302         },
 303         {
 304                 .start = IRQ_SPORT0_RX,
 305                 .end = IRQ_SPORT0_RX+1,
 306                 .flags = IORESOURCE_IRQ,
 307         },
 308         {
 309                 .start = IRQ_SPORT0_ERROR,
 310                 .end = IRQ_SPORT0_ERROR,
 311                 .flags = IORESOURCE_IRQ,
 312         },
 313 };
 314
 315 static unsigned short bfin_sport0_peripherals[] = {
 316         P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
 317         P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
 318 };
 319
 320 static struct platform_device bfin_sport0_uart_device = {
 321         .name = "bfin-sport-uart",
 322         .id = 0,
 323         .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
 324         .resource = bfin_sport0_uart_resources,
 325         .dev = {
 326                 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
 327         },
 328 };
 329 #endif
 330 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 331 static struct resource bfin_sport1_uart_resources[] = {
 332         {
 333                 .start = SPORT1_TCR1,
 334                 .end = SPORT1_MRCS3+4,
 335                 .flags = IORESOURCE_MEM,
 336         },
 337         {
 338                 .start = IRQ_SPORT1_RX,
 339                 .end = IRQ_SPORT1_RX+1,
 340                 .flags = IORESOURCE_IRQ,
 341         },
 342         {
 343                 .start = IRQ_SPORT1_ERROR,
 344                 .end = IRQ_SPORT1_ERROR,
 345                 .flags = IORESOURCE_IRQ,
 346         },
 347 };
 348
 349 static unsigned short bfin_sport1_peripherals[] = {
 350         P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
 351         P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
 352 };
 353
 354 static struct platform_device bfin_sport1_uart_device = {
 355         .name = "bfin-sport-uart",
 356         .id = 1,
 357         .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
 358         .resource = bfin_sport1_uart_resources,
 359         .dev = {
 360                 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
 361         },
 362 };
 363 #endif
 364 #endif
 365
 366 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
 367 static struct resource isp1362_hcd_resources[] = {
 368         {
 369                 .start = 0x20308000,
 370                 .end = 0x20308000,
 371                 .flags = IORESOURCE_MEM,
 372         }, {
 373                 .start = 0x20308004,
 374                 .end = 0x20308004,
 375                 .flags = IORESOURCE_MEM,
 376         }, {
 377                 .start = IRQ_PF4,
 378                 .end = IRQ_PF4,
 379                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 380         },
 381 };
 382
 383 static struct isp1362_platform_data isp1362_priv = {
 384         .sel15Kres = 1,
 385         .clknotstop = 0,
 386         .oc_enable = 0,
 387         .int_act_high = 0,
 388         .int_edge_triggered = 0,
 389         .remote_wakeup_connected = 0,
 390         .no_power_switching = 1,
 391         .power_switching_mode = 0,
 392 };
 393
 394 static struct platform_device isp1362_hcd_device = {
 395         .name = "isp1362-hcd",
 396         .id = 0,
 397         .dev = {
 398                 .platform_data = &isp1362_priv,
 399         },
 400         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 401         .resource = isp1362_hcd_resources,
 402 };
 403 #endif
 404
 405
 406 #if IS_ENABLED(CONFIG_USB_NET2272)
 407 static struct resource net2272_bfin_resources[] = {
 408         {
 409                 .start = 0x20300000,
 410                 .end = 0x20300000 + 0x100,
 411                 .flags = IORESOURCE_MEM,
 412         }, {
 413                 .start = IRQ_PF6,
 414                 .end = IRQ_PF6,
 415                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 416         },
 417 };
 418
 419 static struct platform_device net2272_bfin_device = {
 420         .name = "net2272",
 421         .id = -1,
 422         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 423         .resource = net2272_bfin_resources,
 424 };
 425 #endif
 426
 427
 428
 429 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
 430 static struct mtd_partition para_partitions[] = {
 431         {
 432                 .name       = "bootloader(nor)",
 433                 .size       = 0x40000,
 434                 .offset     = 0,
 435         }, {
 436                 .name       = "linux+rootfs(nor)",
 437                 .size       = MTDPART_SIZ_FULL,
 438                 .offset     = MTDPART_OFS_APPEND,
 439         },
 440 };
 441
 442 static struct physmap_flash_data para_flash_data = {
 443         .width      = 2,
 444         .parts      = para_partitions,
 445         .nr_parts   = ARRAY_SIZE(para_partitions),
 446 };
 447
 448 static struct resource para_flash_resource = {
 449         .start = 0x20000000,
 450         .end   = 0x201fffff,
 451         .flags = IORESOURCE_MEM,
 452 };
 453
 454 static struct platform_device para_flash_device = {
 455         .name          = "physmap-flash",
 456         .id            = 0,
 457         .dev = {
 458                 .platform_data = &para_flash_data,
 459         },
 460         .num_resources = 1,
 461         .resource      = &para_flash_resource,
 462 };
 463 #endif
 464
 465
 466
 467 static const unsigned int cclk_vlev_datasheet[] =
 468 {
 469         VRPAIR(VLEV_085, 250000000),
 470         VRPAIR(VLEV_090, 376000000),
 471         VRPAIR(VLEV_095, 426000000),
 472         VRPAIR(VLEV_100, 426000000),
 473         VRPAIR(VLEV_105, 476000000),
 474         VRPAIR(VLEV_110, 476000000),
 475         VRPAIR(VLEV_115, 476000000),
 476         VRPAIR(VLEV_120, 600000000),
 477         VRPAIR(VLEV_125, 600000000),
 478         VRPAIR(VLEV_130, 600000000),
 479 };
 480
 481 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 482         .tuple_tab = cclk_vlev_datasheet,
 483         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 484         .vr_settling_time = 25 /* us */,
 485 };
 486
 487 static struct platform_device bfin_dpmc = {
 488         .name = "bfin dpmc",
 489         .dev = {
 490                 .platform_data = &bfin_dmpc_vreg_data,
 491         },
 492 };
 493
 494 static struct platform_device *cm_bf533_devices[] __initdata = {
 495
 496         &bfin_dpmc,
 497
 498 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 499 #ifdef CONFIG_SERIAL_BFIN_UART0
 500         &bfin_uart0_device,
 501 #endif
 502 #endif
 503
 504 #if IS_ENABLED(CONFIG_BFIN_SIR)
 505 #ifdef CONFIG_BFIN_SIR0
 506         &bfin_sir0_device,
 507 #endif
 508 #endif
 509
 510 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
 511 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 512         &bfin_sport0_uart_device,
 513 #endif
 514 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 515         &bfin_sport1_uart_device,
 516 #endif
 517 #endif
 518
 519 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
 520         &rtc_device,
 521 #endif
 522
 523 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
 524         &isp1362_hcd_device,
 525 #endif
 526
 527 #if IS_ENABLED(CONFIG_SMC91X)
 528         &smc91x_device,
 529 #endif
 530
 531 #if IS_ENABLED(CONFIG_SMSC911X)
 532         &smsc911x_device,
 533 #endif
 534
 535 #if IS_ENABLED(CONFIG_USB_NET2272)
 536         &net2272_bfin_device,
 537 #endif
 538
 539 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 540         &bfin_spi0_device,
 541 #endif
 542
 543 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
 544         &para_flash_device,
 545 #endif
 546 };
 547
 548 static int __init cm_bf533_init(void)
 549 {
 550         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 551         platform_add_devices(cm_bf533_devices, ARRAY_SIZE(cm_bf533_devices));
 552 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 553         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 554 #endif
 555         return 0;
 556 }
 557
 558 arch_initcall(cm_bf533_init);
 559
 560 static struct platform_device *cm_bf533_early_devices[] __initdata = {
 561 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 562 #ifdef CONFIG_SERIAL_BFIN_UART0
 563         &bfin_uart0_device,
 564 #endif
 565 #endif
 566
 567 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
 568 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 569         &bfin_sport0_uart_device,
 570 #endif
 571 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 572         &bfin_sport1_uart_device,
 573 #endif
 574 #endif
 575 };
 576
 577 void __init native_machine_early_platform_add_devices(void)
 578 {
 579         printk(KERN_INFO "register early platform devices\n");
 580         early_platform_add_devices(cm_bf533_early_devices,
 581                 ARRAY_SIZE(cm_bf533_early_devices));
 582 }