arch/blackfin/mach-bf533/boards/H8606.c

   1 /*
   2  * Copyright 2004-2009 Analog Devices Inc.
   3  *           2007-2008 HV Sistemas S.L.
   4  *                      Javier Herrero <jherrero@hvsistemas.es>
   5  *                2005 National ICT Australia (NICTA)
   6  *                      Aidan Williams <aidan@nicta.com.au>
   7  *
   8  * Licensed under the GPL-2 or later.
   9  */
  10
  11 #include <linux/device.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/mtd/mtd.h>
  14 #include <linux/mtd/partitions.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/flash.h>
  17 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  18 #include <linux/usb/isp1362.h>
  19 #endif
  20 #include <linux/irq.h>
  21
  22 #include <asm/dma.h>
  23 #include <asm/bfin5xx_spi.h>
  24 #include <asm/reboot.h>
  25 #include <asm/portmux.h>
  26
  27 /*
  28  * Name the Board for the /proc/cpuinfo
  29  */
  30 const char bfin_board_name[] = "HV Sistemas H8606";
  31
  32 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  33 static struct platform_device rtc_device = {
  34         .name = "rtc-bfin",
  35         .id   = -1,
  36 };
  37 #endif
  38
  39 /*
  40 *  Driver needs to know address, irq and flag pin.
  41  */
  42  #if    defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
  43 static struct resource dm9000_resources[] = {
  44         [0] = {
  45                 .start  = 0x20300000,
  46                 .end    = 0x20300002,
  47                 .flags  = IORESOURCE_MEM,
  48         },
  49         [1] = {
  50                 .start  = 0x20300004,
  51                 .end    = 0x20300006,
  52                 .flags  = IORESOURCE_MEM,
  53         },
  54         [2] = {
  55                 .start  = IRQ_PF10,
  56                 .end    = IRQ_PF10,
  57                 .flags  = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | IRQF_SHARED | IRQF_TRIGGER_HIGH),
  58         },
  59 };
  60
  61 static struct platform_device dm9000_device = {
  62     .id                 = 0,
  63     .name               = "dm9000",
  64     .resource           = dm9000_resources,
  65     .num_resources      = ARRAY_SIZE(dm9000_resources),
  66 };
  67 #endif
  68
  69 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  70 #include <linux/smc91x.h>
  71
  72 static struct smc91x_platdata smc91x_info = {
  73         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  74         .leda = RPC_LED_100_10,
  75         .ledb = RPC_LED_TX_RX,
  76 };
  77
  78 static struct resource smc91x_resources[] = {
  79         {
  80                 .name = "smc91x-regs",
  81                 .start = 0x20300300,
  82                 .end = 0x20300300 + 16,
  83                 .flags = IORESOURCE_MEM,
  84         }, {
  85                 .start = IRQ_PROG_INTB,
  86                 .end = IRQ_PROG_INTB,
  87                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  88         }, {
  89                 .start = IRQ_PF7,
  90                 .end = IRQ_PF7,
  91                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  92         },
  93 };
  94
  95 static struct platform_device smc91x_device = {
  96         .name = "smc91x",
  97         .id = 0,
  98         .num_resources = ARRAY_SIZE(smc91x_resources),
  99         .resource = smc91x_resources,
 100         .dev    = {
 101                 .platform_data  = &smc91x_info,
 102         },
 103 };
 104 #endif
 105
 106 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 107 static struct resource net2272_bfin_resources[] = {
 108         {
 109                 .start = 0x20300000,
 110                 .end = 0x20300000 + 0x100,
 111                 .flags = IORESOURCE_MEM,
 112         }, {
 113                 .start = IRQ_PF10,
 114                 .end = IRQ_PF10,
 115                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 116         },
 117 };
 118
 119 static struct platform_device net2272_bfin_device = {
 120         .name = "net2272",
 121         .id = -1,
 122         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 123         .resource = net2272_bfin_resources,
 124 };
 125 #endif
 126
 127 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 128 /* all SPI peripherals info goes here */
 129
 130 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 131 static struct mtd_partition bfin_spi_flash_partitions[] = {
 132         {
 133                 .name = "bootloader (spi)",
 134                 .size = 0x40000,
 135                 .offset = 0,
 136                 .mask_flags = MTD_CAP_ROM
 137         }, {
 138                 .name = "fpga (spi)",
 139                 .size =   0x30000,
 140                 .offset = 0x40000
 141         }, {
 142                 .name = "linux kernel (spi)",
 143                 .size =   0x150000,
 144                 .offset =  0x70000
 145         }, {
 146                 .name = "jffs2 root file system (spi)",
 147                 .size =   0x640000,
 148                 .offset = 0x1c0000,
 149         }
 150 };
 151
 152 static struct flash_platform_data bfin_spi_flash_data = {
 153         .name = "m25p80",
 154         .parts = bfin_spi_flash_partitions,
 155         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 156         .type = "m25p64",
 157 };
 158
 159 /* SPI flash chip (m25p64) */
 160 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 161         .enable_dma = 0,         /* use dma transfer with this chip*/
 162         .bits_per_word = 8,
 163 };
 164 #endif
 165
 166 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 167 /* SPI ADC chip */
 168 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 169         .enable_dma = 1,         /* use dma transfer with this chip*/
 170         .bits_per_word = 16,
 171 };
 172 #endif
 173
 174 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
 175 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 176         .enable_dma = 0,
 177         .bits_per_word = 16,
 178 };
 179 #endif
 180
 181 /* Notice: for blackfin, the speed_hz is the value of register
 182  * SPI_BAUD, not the real baudrate */
 183 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 184 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 185         {
 186                 /* the modalias must be the same as spi device driver name */
 187                 .modalias = "m25p80", /* Name of spi_driver for this device */
 188                 /* this value is the baudrate divisor */
 189                 .max_speed_hz = 50000000, /* actual baudrate is SCLK/(2xspeed_hz) */
 190                 .bus_num = 0, /* Framework bus number */
 191                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 192                 .platform_data = &bfin_spi_flash_data,
 193                 .controller_data = &spi_flash_chip_info,
 194                 .mode = SPI_MODE_3,
 195         },
 196 #endif
 197
 198 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 199         {
 200                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 201                 .max_speed_hz = 4,     /* actual baudrate is SCLK/(2xspeed_hz) */
 202                 .bus_num = 1, /* Framework bus number */
 203                 .chip_select = 1, /* Framework chip select. */
 204                 .platform_data = NULL, /* No spi_driver specific config */
 205                 .controller_data = &spi_adc_chip_info,
 206         },
 207 #endif
 208
 209 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
 210         {
 211                 .modalias = "ad183x",
 212                 .max_speed_hz = 16,
 213                 .bus_num = 1,
 214                 .chip_select = 4,
 215                 .controller_data = &ad1836_spi_chip_info,
 216         },
 217 #endif
 218
 219 };
 220
 221 /* SPI (0) */
 222 static struct resource bfin_spi0_resource[] = {
 223         [0] = {
 224                 .start = SPI0_REGBASE,
 225                 .end   = SPI0_REGBASE + 0xFF,
 226                 .flags = IORESOURCE_MEM,
 227         },
 228         [1] = {
 229                 .start = CH_SPI,
 230                 .end   = CH_SPI,
 231                 .flags = IORESOURCE_DMA,
 232         },
 233         [2] = {
 234                 .start = IRQ_SPI,
 235                 .end   = IRQ_SPI,
 236                 .flags = IORESOURCE_IRQ,
 237         }
 238 };
 239
 240
 241 /* SPI controller data */
 242 static struct bfin5xx_spi_master bfin_spi0_info = {
 243         .num_chipselect = 8,
 244         .enable_dma = 1,  /* master has the ability to do dma transfer */
 245         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 246 };
 247
 248 static struct platform_device bfin_spi0_device = {
 249         .name = "bfin-spi",
 250         .id = 0, /* Bus number */
 251         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 252         .resource = bfin_spi0_resource,
 253         .dev = {
 254                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 255         },
 256 };
 257 #endif  /* spi master and devices */
 258
 259 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 260 #ifdef CONFIG_SERIAL_BFIN_UART0
 261 static struct resource bfin_uart0_resources[] = {
 262         {
 263                 .start = BFIN_UART_THR,
 264                 .end = BFIN_UART_GCTL+2,
 265                 .flags = IORESOURCE_MEM,
 266         },
 267         {
 268                 .start = IRQ_UART0_RX,
 269                 .end = IRQ_UART0_RX + 1,
 270                 .flags = IORESOURCE_IRQ,
 271         },
 272         {
 273                 .start = IRQ_UART0_ERROR,
 274                 .end = IRQ_UART0_ERROR,
 275                 .flags = IORESOURCE_IRQ,
 276         },
 277         {
 278                 .start = CH_UART0_TX,
 279                 .end = CH_UART0_TX,
 280                 .flags = IORESOURCE_DMA,
 281         },
 282         {
 283                 .start = CH_UART0_RX,
 284                 .end = CH_UART0_RX,
 285                 .flags = IORESOURCE_DMA,
 286         },
 287 };
 288
 289 static unsigned short bfin_uart0_peripherals[] = {
 290         P_UART0_TX, P_UART0_RX, 0
 291 };
 292
 293 static struct platform_device bfin_uart0_device = {
 294         .name = "bfin-uart",
 295         .id = 0,
 296         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 297         .resource = bfin_uart0_resources,
 298         .dev = {
 299                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 300         },
 301 };
 302 #endif
 303 #endif
 304
 305 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 306 #ifdef CONFIG_BFIN_SIR0
 307 static struct resource bfin_sir0_resources[] = {
 308         {
 309                 .start = 0xFFC00400,
 310                 .end = 0xFFC004FF,
 311                 .flags = IORESOURCE_MEM,
 312         },
 313         {
 314                 .start = IRQ_UART0_RX,
 315                 .end = IRQ_UART0_RX+1,
 316                 .flags = IORESOURCE_IRQ,
 317         },
 318         {
 319                 .start = CH_UART0_RX,
 320                 .end = CH_UART0_RX+1,
 321                 .flags = IORESOURCE_DMA,
 322         },
 323 };
 324
 325 static struct platform_device bfin_sir0_device = {
 326         .name = "bfin_sir",
 327         .id = 0,
 328         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 329         .resource = bfin_sir0_resources,
 330 };
 331 #endif
 332 #endif
 333
 334 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
 335
 336 #include <linux/serial_8250.h>
 337 #include <linux/serial.h>
 338
 339 /*
 340  * Configuration for two 16550 UARTS in FPGA at addresses 0x20200000 and 0x202000010.
 341  * running at half system clock, both with interrupt output or-ed to PF8. Change to
 342  * suit different FPGA configuration, or to suit real 16550 UARTS connected to the bus
 343  */
 344
 345 static struct plat_serial8250_port serial8250_platform_data [] = {
 346         {
 347                 .membase = (void *)0x20200000,
 348                 .mapbase = 0x20200000,
 349                 .irq = IRQ_PF8,
 350                 .irqflags = IRQF_TRIGGER_HIGH,
 351                 .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
 352                 .iotype = UPIO_MEM,
 353                 .regshift = 1,
 354                 .uartclk = 66666667,
 355         }, {
 356                 .membase = (void *)0x20200010,
 357                 .mapbase = 0x20200010,
 358                 .irq = IRQ_PF8,
 359                 .irqflags = IRQF_TRIGGER_HIGH,
 360                 .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
 361                 .iotype = UPIO_MEM,
 362                 .regshift = 1,
 363                 .uartclk = 66666667,
 364         }, {
 365         }
 366 };
 367
 368 static struct platform_device serial8250_device = {
 369         .id             = PLAT8250_DEV_PLATFORM,
 370         .name           = "serial8250",
 371         .dev            = {
 372                 .platform_data = serial8250_platform_data,
 373         },
 374 };
 375
 376 #endif
 377
 378 #if defined(CONFIG_KEYBOARD_OPENCORES) || defined(CONFIG_KEYBOARD_OPENCORES_MODULE)
 379
 380 /*
 381  * Configuration for one OpenCores keyboard controller in FPGA at address 0x20200030,
 382  * interrupt output wired to PF9. Change to suit different FPGA configuration
 383  */
 384
 385 static struct resource opencores_kbd_resources[] = {
 386         [0] = {
 387                 .start  = 0x20200030,
 388                 .end    = 0x20300030 + 2,
 389                 .flags  = IORESOURCE_MEM,
 390         },
 391         [1] = {
 392                 .start  = IRQ_PF9,
 393                 .end    = IRQ_PF9,
 394                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 395         },
 396 };
 397
 398 static struct platform_device opencores_kbd_device = {
 399         .id             = -1,
 400         .name           = "opencores-kbd",
 401         .resource       = opencores_kbd_resources,
 402         .num_resources  = ARRAY_SIZE(opencores_kbd_resources),
 403 };
 404 #endif
 405
 406 static struct platform_device *h8606_devices[] __initdata = {
 407 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 408         &rtc_device,
 409 #endif
 410
 411 #if     defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 412         &dm9000_device,
 413 #endif
 414
 415 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 416         &smc91x_device,
 417 #endif
 418
 419 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 420         &net2272_bfin_device,
 421 #endif
 422
 423 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 424         &bfin_spi0_device,
 425 #endif
 426
 427 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 428 #ifdef CONFIG_SERIAL_BFIN_UART0
 429         &bfin_uart0_device,
 430 #endif
 431 #endif
 432
 433 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
 434         &serial8250_device,
 435 #endif
 436
 437 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 438 #ifdef CONFIG_BFIN_SIR0
 439         &bfin_sir0_device,
 440 #endif
 441 #endif
 442
 443 #if defined(CONFIG_KEYBOARD_OPENCORES) || defined(CONFIG_KEYBOARD_OPENCORES_MODULE)
 444         &opencores_kbd_device,
 445 #endif
 446 };
 447
 448 static int __init H8606_init(void)
 449 {
 450         printk(KERN_INFO "HV Sistemas H8606 board support by http://www.hvsistemas.com\n");
 451         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 452         platform_add_devices(h8606_devices, ARRAY_SIZE(h8606_devices));
 453 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 454         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 455 #endif
 456         return 0;
 457 }
 458
 459 arch_initcall(H8606_init);
 460
 461 static struct platform_device *H8606_early_devices[] __initdata = {
 462 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 463 #ifdef CONFIG_SERIAL_BFIN_UART0
 464         &bfin_uart0_device,
 465 #endif
 466 #endif
 467 };
 468
 469 void __init native_machine_early_platform_add_devices(void)
 470 {
 471         printk(KERN_INFO "register early platform devices\n");
 472         early_platform_add_devices(H8606_early_devices,
 473                 ARRAY_SIZE(H8606_early_devices));
 474 }