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 IS_ENABLED(CONFIG_USB_ISP1362_HCD)
  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 IS_ENABLED(CONFIG_RTC_DRV_BFIN)
  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 IS_ENABLED(CONFIG_DM9000)
  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 |
  58                            IORESOURCE_IRQ_SHAREABLE),
  59         },
  60 };
  61
  62 static struct platform_device dm9000_device = {
  63     .id                 = 0,
  64     .name               = "dm9000",
  65     .resource           = dm9000_resources,
  66     .num_resources      = ARRAY_SIZE(dm9000_resources),
  67 };
  68 #endif
  69
  70 #if IS_ENABLED(CONFIG_SMC91X)
  71 #include <linux/smc91x.h>
  72
  73 static struct smc91x_platdata smc91x_info = {
  74         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  75         .leda = RPC_LED_100_10,
  76         .ledb = RPC_LED_TX_RX,
  77 };
  78
  79 static struct resource smc91x_resources[] = {
  80         {
  81                 .name = "smc91x-regs",
  82                 .start = 0x20300300,
  83                 .end = 0x20300300 + 16,
  84                 .flags = IORESOURCE_MEM,
  85         }, {
  86                 .start = IRQ_PROG_INTB,
  87                 .end = IRQ_PROG_INTB,
  88                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  89         }, {
  90                 .start = IRQ_PF7,
  91                 .end = IRQ_PF7,
  92                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  93         },
  94 };
  95
  96 static struct platform_device smc91x_device = {
  97         .name = "smc91x",
  98         .id = 0,
  99         .num_resources = ARRAY_SIZE(smc91x_resources),
 100         .resource = smc91x_resources,
 101         .dev    = {
 102                 .platform_data  = &smc91x_info,
 103         },
 104 };
 105 #endif
 106
 107 #if IS_ENABLED(CONFIG_USB_NET2272)
 108 static struct resource net2272_bfin_resources[] = {
 109         {
 110                 .start = 0x20300000,
 111                 .end = 0x20300000 + 0x100,
 112                 .flags = IORESOURCE_MEM,
 113         }, {
 114                 .start = IRQ_PF10,
 115                 .end = IRQ_PF10,
 116                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 117         },
 118 };
 119
 120 static struct platform_device net2272_bfin_device = {
 121         .name = "net2272",
 122         .id = -1,
 123         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 124         .resource = net2272_bfin_resources,
 125 };
 126 #endif
 127
 128 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 129 /* all SPI peripherals info goes here */
 130
 131 #if IS_ENABLED(CONFIG_MTD_M25P80)
 132 static struct mtd_partition bfin_spi_flash_partitions[] = {
 133         {
 134                 .name = "bootloader (spi)",
 135                 .size = 0x40000,
 136                 .offset = 0,
 137                 .mask_flags = MTD_CAP_ROM
 138         }, {
 139                 .name = "fpga (spi)",
 140                 .size =   0x30000,
 141                 .offset = 0x40000
 142         }, {
 143                 .name = "linux kernel (spi)",
 144                 .size =   0x150000,
 145                 .offset =  0x70000
 146         }, {
 147                 .name = "jffs2 root file system (spi)",
 148                 .size =   0x640000,
 149                 .offset = 0x1c0000,
 150         }
 151 };
 152
 153 static struct flash_platform_data bfin_spi_flash_data = {
 154         .name = "m25p80",
 155         .parts = bfin_spi_flash_partitions,
 156         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 157         .type = "m25p64",
 158 };
 159
 160 /* SPI flash chip (m25p64) */
 161 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 162         .enable_dma = 0,         /* use dma transfer with this chip*/
 163 };
 164 #endif
 165
 166 /* Notice: for blackfin, the speed_hz is the value of register
 167  * SPI_BAUD, not the real baudrate */
 168 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 169 #if IS_ENABLED(CONFIG_MTD_M25P80)
 170         {
 171                 /* the modalias must be the same as spi device driver name */
 172                 .modalias = "m25p80", /* Name of spi_driver for this device */
 173                 /* this value is the baudrate divisor */
 174                 .max_speed_hz = 50000000, /* actual baudrate is SCLK/(2xspeed_hz) */
 175                 .bus_num = 0, /* Framework bus number */
 176                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 177                 .platform_data = &bfin_spi_flash_data,
 178                 .controller_data = &spi_flash_chip_info,
 179                 .mode = SPI_MODE_3,
 180         },
 181 #endif
 182
 183 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
 184         {
 185                 .modalias = "ad183x",
 186                 .max_speed_hz = 16,
 187                 .bus_num = 1,
 188                 .chip_select = 4,
 189         },
 190 #endif
 191
 192 };
 193
 194 /* SPI (0) */
 195 static struct resource bfin_spi0_resource[] = {
 196         [0] = {
 197                 .start = SPI0_REGBASE,
 198                 .end   = SPI0_REGBASE + 0xFF,
 199                 .flags = IORESOURCE_MEM,
 200         },
 201         [1] = {
 202                 .start = CH_SPI,
 203                 .end   = CH_SPI,
 204                 .flags = IORESOURCE_DMA,
 205         },
 206         [2] = {
 207                 .start = IRQ_SPI,
 208                 .end   = IRQ_SPI,
 209                 .flags = IORESOURCE_IRQ,
 210         }
 211 };
 212
 213
 214 /* SPI controller data */
 215 static struct bfin5xx_spi_master bfin_spi0_info = {
 216         .num_chipselect = 8,
 217         .enable_dma = 1,  /* master has the ability to do dma transfer */
 218         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 219 };
 220
 221 static struct platform_device bfin_spi0_device = {
 222         .name = "bfin-spi",
 223         .id = 0, /* Bus number */
 224         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 225         .resource = bfin_spi0_resource,
 226         .dev = {
 227                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 228         },
 229 };
 230 #endif  /* spi master and devices */
 231
 232 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 233 #ifdef CONFIG_SERIAL_BFIN_UART0
 234 static struct resource bfin_uart0_resources[] = {
 235         {
 236                 .start = BFIN_UART_THR,
 237                 .end = BFIN_UART_GCTL+2,
 238                 .flags = IORESOURCE_MEM,
 239         },
 240         {
 241                 .start = IRQ_UART0_TX,
 242                 .end = IRQ_UART0_TX,
 243                 .flags = IORESOURCE_IRQ,
 244         },
 245         {
 246                 .start = IRQ_UART0_RX,
 247                 .end = IRQ_UART0_RX,
 248                 .flags = IORESOURCE_IRQ,
 249         },
 250         {
 251                 .start = IRQ_UART0_ERROR,
 252                 .end = IRQ_UART0_ERROR,
 253                 .flags = IORESOURCE_IRQ,
 254         },
 255         {
 256                 .start = CH_UART0_TX,
 257                 .end = CH_UART0_TX,
 258                 .flags = IORESOURCE_DMA,
 259         },
 260         {
 261                 .start = CH_UART0_RX,
 262                 .end = CH_UART0_RX,
 263                 .flags = IORESOURCE_DMA,
 264         },
 265 };
 266
 267 static unsigned short bfin_uart0_peripherals[] = {
 268         P_UART0_TX, P_UART0_RX, 0
 269 };
 270
 271 static struct platform_device bfin_uart0_device = {
 272         .name = "bfin-uart",
 273         .id = 0,
 274         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 275         .resource = bfin_uart0_resources,
 276         .dev = {
 277                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 278         },
 279 };
 280 #endif
 281 #endif
 282
 283 #if IS_ENABLED(CONFIG_BFIN_SIR)
 284 #ifdef CONFIG_BFIN_SIR0
 285 static struct resource bfin_sir0_resources[] = {
 286         {
 287                 .start = 0xFFC00400,
 288                 .end = 0xFFC004FF,
 289                 .flags = IORESOURCE_MEM,
 290         },
 291         {
 292                 .start = IRQ_UART0_RX,
 293                 .end = IRQ_UART0_RX+1,
 294                 .flags = IORESOURCE_IRQ,
 295         },
 296         {
 297                 .start = CH_UART0_RX,
 298                 .end = CH_UART0_RX+1,
 299                 .flags = IORESOURCE_DMA,
 300         },
 301 };
 302
 303 static struct platform_device bfin_sir0_device = {
 304         .name = "bfin_sir",
 305         .id = 0,
 306         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 307         .resource = bfin_sir0_resources,
 308 };
 309 #endif
 310 #endif
 311
 312 #if IS_ENABLED(CONFIG_SERIAL_8250)
 313
 314 #include <linux/serial_8250.h>
 315 #include <linux/serial.h>
 316
 317 /*
 318  * Configuration for two 16550 UARTS in FPGA at addresses 0x20200000 and 0x202000010.
 319  * running at half system clock, both with interrupt output or-ed to PF8. Change to
 320  * suit different FPGA configuration, or to suit real 16550 UARTS connected to the bus
 321  */
 322
 323 static struct plat_serial8250_port serial8250_platform_data [] = {
 324         {
 325                 .membase = (void *)0x20200000,
 326                 .mapbase = 0x20200000,
 327                 .irq = IRQ_PF8,
 328                 .irqflags = IRQF_TRIGGER_HIGH,
 329                 .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
 330                 .iotype = UPIO_MEM,
 331                 .regshift = 1,
 332                 .uartclk = 66666667,
 333         }, {
 334                 .membase = (void *)0x20200010,
 335                 .mapbase = 0x20200010,
 336                 .irq = IRQ_PF8,
 337                 .irqflags = IRQF_TRIGGER_HIGH,
 338                 .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
 339                 .iotype = UPIO_MEM,
 340                 .regshift = 1,
 341                 .uartclk = 66666667,
 342         }, {
 343         }
 344 };
 345
 346 static struct platform_device serial8250_device = {
 347         .id             = PLAT8250_DEV_PLATFORM,
 348         .name           = "serial8250",
 349         .dev            = {
 350                 .platform_data = serial8250_platform_data,
 351         },
 352 };
 353
 354 #endif
 355
 356 #if IS_ENABLED(CONFIG_KEYBOARD_OPENCORES)
 357
 358 /*
 359  * Configuration for one OpenCores keyboard controller in FPGA at address 0x20200030,
 360  * interrupt output wired to PF9. Change to suit different FPGA configuration
 361  */
 362
 363 static struct resource opencores_kbd_resources[] = {
 364         [0] = {
 365                 .start  = 0x20200030,
 366                 .end    = 0x20300030 + 2,
 367                 .flags  = IORESOURCE_MEM,
 368         },
 369         [1] = {
 370                 .start  = IRQ_PF9,
 371                 .end    = IRQ_PF9,
 372                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 373         },
 374 };
 375
 376 static struct platform_device opencores_kbd_device = {
 377         .id             = -1,
 378         .name           = "opencores-kbd",
 379         .resource       = opencores_kbd_resources,
 380         .num_resources  = ARRAY_SIZE(opencores_kbd_resources),
 381 };
 382 #endif
 383
 384 static struct platform_device *h8606_devices[] __initdata = {
 385 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
 386         &rtc_device,
 387 #endif
 388
 389 #if IS_ENABLED(CONFIG_DM9000)
 390         &dm9000_device,
 391 #endif
 392
 393 #if IS_ENABLED(CONFIG_SMC91X)
 394         &smc91x_device,
 395 #endif
 396
 397 #if IS_ENABLED(CONFIG_USB_NET2272)
 398         &net2272_bfin_device,
 399 #endif
 400
 401 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 402         &bfin_spi0_device,
 403 #endif
 404
 405 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 406 #ifdef CONFIG_SERIAL_BFIN_UART0
 407         &bfin_uart0_device,
 408 #endif
 409 #endif
 410
 411 #if IS_ENABLED(CONFIG_SERIAL_8250)
 412         &serial8250_device,
 413 #endif
 414
 415 #if IS_ENABLED(CONFIG_BFIN_SIR)
 416 #ifdef CONFIG_BFIN_SIR0
 417         &bfin_sir0_device,
 418 #endif
 419 #endif
 420
 421 #if IS_ENABLED(CONFIG_KEYBOARD_OPENCORES)
 422         &opencores_kbd_device,
 423 #endif
 424 };
 425
 426 static int __init H8606_init(void)
 427 {
 428         printk(KERN_INFO "HV Sistemas H8606 board support by http://www.hvsistemas.com\n");
 429         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 430         platform_add_devices(h8606_devices, ARRAY_SIZE(h8606_devices));
 431 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 432         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 433 #endif
 434         return 0;
 435 }
 436
 437 arch_initcall(H8606_init);
 438
 439 static struct platform_device *H8606_early_devices[] __initdata = {
 440 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 441 #ifdef CONFIG_SERIAL_BFIN_UART0
 442         &bfin_uart0_device,
 443 #endif
 444 #endif
 445 };
 446
 447 void __init native_machine_early_platform_add_devices(void)
 448 {
 449         printk(KERN_INFO "register early platform devices\n");
 450         early_platform_add_devices(H8606_early_devices,
 451                 ARRAY_SIZE(H8606_early_devices));
 452 }