arch/blackfin/mach-bf561/boards/acvilon.c

   1 /*
   2  * File:         arch/blackfin/mach-bf561/acvilon.c
   3  * Based on:     arch/blackfin/mach-bf561/ezkit.c
   4  * Author:
   5  *
   6  * Created:
   7  * Description:
   8  *
   9  * Modified:
  10  *               Copyright 2004-2006 Analog Devices Inc.
  11  *               Copyright 2009 CJSC "NII STT"
  12  *
  13  * Bugs:
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, see the file COPYING, or write
  27  * to the Free Software Foundation, Inc.,
  28  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  29  *
  30  *
  31  * For more information about Acvilon BF561 SoM please
  32  * go to http://www.niistt.ru/
  33  *
  34  */
  35
  36 #include <linux/device.h>
  37 #include <linux/platform_device.h>
  38 #include <linux/mtd/mtd.h>
  39 #include <linux/mtd/partitions.h>
  40 #include <linux/mtd/physmap.h>
  41 #include <linux/mtd/nand.h>
  42 #include <linux/mtd/plat-ram.h>
  43 #include <linux/spi/spi.h>
  44 #include <linux/spi/flash.h>
  45 #include <linux/irq.h>
  46 #include <linux/interrupt.h>
  47 #include <linux/i2c-pca-platform.h>
  48 #include <linux/delay.h>
  49 #include <linux/io.h>
  50 #include <asm/dma.h>
  51 #include <asm/bfin5xx_spi.h>
  52 #include <asm/portmux.h>
  53 #include <asm/dpmc.h>
  54 #include <asm/cacheflush.h>
  55 #include <linux/i2c.h>
  56
  57 /*
  58  * Name the Board for the /proc/cpuinfo
  59  */
  60 const char bfin_board_name[] = "Acvilon board";
  61
  62 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  63 #include <linux/usb/isp1760.h>
  64 static struct resource bfin_isp1760_resources[] = {
  65         [0] = {
  66                .start = 0x20000000,
  67                .end = 0x20000000 + 0x000fffff,
  68                .flags = IORESOURCE_MEM,
  69                },
  70         [1] = {
  71                .start = IRQ_PF15,
  72                .end = IRQ_PF15,
  73                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  74                },
  75 };
  76
  77 static struct isp1760_platform_data isp1760_priv = {
  78         .is_isp1761 = 0,
  79         .port1_disable = 0,
  80         .bus_width_16 = 1,
  81         .port1_otg = 0,
  82         .analog_oc = 0,
  83         .dack_polarity_high = 0,
  84         .dreq_polarity_high = 0,
  85 };
  86
  87 static struct platform_device bfin_isp1760_device = {
  88         .name = "isp1760-hcd",
  89         .id = 0,
  90         .dev = {
  91                 .platform_data = &isp1760_priv,
  92                 },
  93         .num_resources = ARRAY_SIZE(bfin_isp1760_resources),
  94         .resource = bfin_isp1760_resources,
  95 };
  96 #endif
  97
  98 static struct resource bfin_i2c_pca_resources[] = {
  99         {
 100          .name = "pca9564-regs",
 101          .start = 0x2C000000,
 102          .end = 0x2C000000 + 16,
 103          .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
 104          }, {
 105
 106              .start = IRQ_PF8,
 107              .end = IRQ_PF8,
 108              .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 109              },
 110 };
 111
 112 struct i2c_pca9564_pf_platform_data pca9564_platform_data = {
 113         .gpio = -1,
 114         .i2c_clock_speed = 330000,
 115         .timeout = 10000
 116 };
 117
 118 /* PCA9564 I2C Bus driver */
 119 static struct platform_device bfin_i2c_pca_device = {
 120         .name = "i2c-pca-platform",
 121         .id = 0,
 122         .num_resources = ARRAY_SIZE(bfin_i2c_pca_resources),
 123         .resource = bfin_i2c_pca_resources,
 124         .dev = {
 125                 .platform_data = &pca9564_platform_data,
 126                 }
 127 };
 128
 129 /* I2C devices fitted. */
 130 static struct i2c_board_info acvilon_i2c_devs[] __initdata = {
 131         {
 132          I2C_BOARD_INFO("ds1339", 0x68),
 133          },
 134         {
 135          I2C_BOARD_INFO("tcn75", 0x49),
 136          },
 137 };
 138
 139 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
 140 static struct platdata_mtd_ram mtd_ram_data = {
 141         .mapname = "rootfs(RAM)",
 142         .bankwidth = 4,
 143 };
 144
 145 static struct resource mtd_ram_resource = {
 146         .start = 0x4000000,
 147         .end = 0x5ffffff,
 148         .flags = IORESOURCE_MEM,
 149 };
 150
 151 static struct platform_device mtd_ram_device = {
 152         .name = "mtd-ram",
 153         .id = 0,
 154         .dev = {
 155                 .platform_data = &mtd_ram_data,
 156                 },
 157         .num_resources = 1,
 158         .resource = &mtd_ram_resource,
 159 };
 160 #endif
 161
 162 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 163 #include <linux/smsc911x.h>
 164 static struct resource smsc911x_resources[] = {
 165         {
 166          .name = "smsc911x-memory",
 167          .start = 0x28000000,
 168          .end = 0x28000000 + 0xFF,
 169          .flags = IORESOURCE_MEM,
 170          },
 171         {
 172          .start = IRQ_PF7,
 173          .end = IRQ_PF7,
 174          .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 175          },
 176 };
 177
 178 static struct smsc911x_platform_config smsc911x_config = {
 179         .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
 180         .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 181         .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 182         .phy_interface = PHY_INTERFACE_MODE_MII,
 183 };
 184
 185 static struct platform_device smsc911x_device = {
 186         .name = "smsc911x",
 187         .id = 0,
 188         .num_resources = ARRAY_SIZE(smsc911x_resources),
 189         .resource = smsc911x_resources,
 190         .dev = {
 191                 .platform_data = &smsc911x_config,
 192                 },
 193 };
 194 #endif
 195
 196 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 197 #ifdef CONFIG_SERIAL_BFIN_UART0
 198 static struct resource bfin_uart0_resources[] = {
 199         {
 200          .start = BFIN_UART_THR,
 201          .end = BFIN_UART_GCTL + 2,
 202          .flags = IORESOURCE_MEM,
 203          },
 204         {
 205          .start = IRQ_UART_RX,
 206          .end = IRQ_UART_RX + 1,
 207          .flags = IORESOURCE_IRQ,
 208          },
 209         {
 210          .start = IRQ_UART_ERROR,
 211          .end = IRQ_UART_ERROR,
 212          .flags = IORESOURCE_IRQ,
 213          },
 214         {
 215          .start = CH_UART_TX,
 216          .end = CH_UART_TX,
 217          .flags = IORESOURCE_DMA,
 218          },
 219         {
 220          .start = CH_UART_RX,
 221          .end = CH_UART_RX,
 222          .flags = IORESOURCE_DMA,
 223          },
 224 };
 225
 226 unsigned short bfin_uart0_peripherals[] = {
 227         P_UART0_TX, P_UART0_RX, 0
 228 };
 229
 230 static struct platform_device bfin_uart0_device = {
 231         .name = "bfin-uart",
 232         .id = 0,
 233         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 234         .resource = bfin_uart0_resources,
 235         .dev = {
 236                 /* Passed to driver */
 237                 .platform_data = &bfin_uart0_peripherals,
 238                 },
 239 };
 240 #endif
 241 #endif
 242
 243 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 244
 245 #ifdef CONFIG_MTD_PARTITIONS
 246 const char *part_probes[] = { "cmdlinepart", NULL };
 247
 248 static struct mtd_partition bfin_plat_nand_partitions[] = {
 249         {
 250          .name = "params(nand)",
 251          .size = 32 * 1024 * 1024,
 252          .offset = 0,
 253          }, {
 254              .name = "userfs(nand)",
 255              .size = MTDPART_SIZ_FULL,
 256              .offset = MTDPART_OFS_APPEND,
 257              },
 258 };
 259 #endif
 260
 261 #define BFIN_NAND_PLAT_CLE 2
 262 #define BFIN_NAND_PLAT_ALE 3
 263
 264 static void bfin_plat_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 265                                     unsigned int ctrl)
 266 {
 267         struct nand_chip *this = mtd->priv;
 268
 269         if (cmd == NAND_CMD_NONE)
 270                 return;
 271
 272         if (ctrl & NAND_CLE)
 273                 writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_CLE));
 274         else
 275                 writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_ALE));
 276 }
 277
 278 #define BFIN_NAND_PLAT_READY GPIO_PF10
 279 static int bfin_plat_nand_dev_ready(struct mtd_info *mtd)
 280 {
 281         return gpio_get_value(BFIN_NAND_PLAT_READY);
 282 }
 283
 284 static struct platform_nand_data bfin_plat_nand_data = {
 285         .chip = {
 286                  .nr_chips = 1,
 287                  .chip_delay = 30,
 288 #ifdef CONFIG_MTD_PARTITIONS
 289                  .part_probe_types = part_probes,
 290                  .partitions = bfin_plat_nand_partitions,
 291                  .nr_partitions = ARRAY_SIZE(bfin_plat_nand_partitions),
 292 #endif
 293                  },
 294         .ctrl = {
 295                  .cmd_ctrl = bfin_plat_nand_cmd_ctrl,
 296                  .dev_ready = bfin_plat_nand_dev_ready,
 297                  },
 298 };
 299
 300 #define MAX(x, y) (x > y ? x : y)
 301 static struct resource bfin_plat_nand_resources = {
 302         .start = 0x24000000,
 303         .end = 0x24000000 + (1 << MAX(BFIN_NAND_PLAT_CLE, BFIN_NAND_PLAT_ALE)),
 304         .flags = IORESOURCE_IO,
 305 };
 306
 307 static struct platform_device bfin_async_nand_device = {
 308         .name = "gen_nand",
 309         .id = -1,
 310         .num_resources = 1,
 311         .resource = &bfin_plat_nand_resources,
 312         .dev = {
 313                 .platform_data = &bfin_plat_nand_data,
 314                 },
 315 };
 316
 317 static void bfin_plat_nand_init(void)
 318 {
 319         gpio_request(BFIN_NAND_PLAT_READY, "bfin_nand_plat");
 320 }
 321 #else
 322 static void bfin_plat_nand_init(void)
 323 {
 324 }
 325 #endif
 326
 327 #if defined(CONFIG_MTD_DATAFLASH) || defined(CONFIG_MTD_DATAFLASH_MODULE)
 328 static struct mtd_partition bfin_spi_dataflash_partitions[] = {
 329         {
 330          .name = "bootloader",
 331          .size = 0x4200,
 332          .offset = 0,
 333          .mask_flags = MTD_CAP_ROM},
 334         {
 335          .name = "u-boot",
 336          .size = 0x42000,
 337          .offset = MTDPART_OFS_APPEND,
 338          },
 339         {
 340          .name = "u-boot(params)",
 341          .size = 0x4200,
 342          .offset = MTDPART_OFS_APPEND,
 343          },
 344         {
 345          .name = "kernel",
 346          .size = 0x294000,
 347          .offset = MTDPART_OFS_APPEND,
 348          },
 349         {
 350          .name = "params",
 351          .size = 0x42000,
 352          .offset = MTDPART_OFS_APPEND,
 353          },
 354         {
 355          .name = "rootfs",
 356          .size = MTDPART_SIZ_FULL,
 357          .offset = MTDPART_OFS_APPEND,
 358          }
 359 };
 360
 361 static struct flash_platform_data bfin_spi_dataflash_data = {
 362         .name = "SPI Dataflash",
 363         .parts = bfin_spi_dataflash_partitions,
 364         .nr_parts = ARRAY_SIZE(bfin_spi_dataflash_partitions),
 365 };
 366
 367 /* DataFlash chip */
 368 static struct bfin5xx_spi_chip data_flash_chip_info = {
 369         .enable_dma = 0,        /* use dma transfer with this chip */
 370         .bits_per_word = 8,
 371 };
 372 #endif
 373
 374 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 375 static struct bfin5xx_spi_chip spidev_chip_info = {
 376         .enable_dma = 0,
 377         .bits_per_word = 8,
 378 };
 379 #endif
 380
 381 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 382 /* SPI (0) */
 383 static struct resource bfin_spi0_resource[] = {
 384         [0] = {
 385                .start = SPI0_REGBASE,
 386                .end = SPI0_REGBASE + 0xFF,
 387                .flags = IORESOURCE_MEM,
 388                },
 389         [1] = {
 390                .start = CH_SPI,
 391                .end = CH_SPI,
 392                .flags = IORESOURCE_DMA,
 393                },
 394         [2] = {
 395                .start = IRQ_SPI,
 396                .end = IRQ_SPI,
 397                .flags = IORESOURCE_IRQ,
 398                },
 399 };
 400
 401 /* SPI controller data */
 402 static struct bfin5xx_spi_master bfin_spi0_info = {
 403         .num_chipselect = 8,
 404         .enable_dma = 1,        /* master has the ability to do dma transfer */
 405         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 406 };
 407
 408 static struct platform_device bfin_spi0_device = {
 409         .name = "bfin-spi",
 410         .id = 0,                /* Bus number */
 411         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 412         .resource = bfin_spi0_resource,
 413         .dev = {
 414                 .platform_data = &bfin_spi0_info,       /* Passed to driver */
 415                 },
 416 };
 417 #endif
 418
 419 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 420 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 421         {
 422          .modalias = "spidev",
 423          .max_speed_hz = 3125000,       /* max spi clock (SCK) speed in HZ */
 424          .bus_num = 0,
 425          .chip_select = 3,
 426          .controller_data = &spidev_chip_info,
 427          },
 428 #endif
 429 #if defined(CONFIG_MTD_DATAFLASH) || defined(CONFIG_MTD_DATAFLASH_MODULE)
 430         {                       /* DataFlash chip */
 431          .modalias = "mtd_dataflash",
 432          .max_speed_hz = 33250000,      /* max spi clock (SCK) speed in HZ */
 433          .bus_num = 0,          /* Framework bus number */
 434          .chip_select = 2,      /* Framework chip select */
 435          .platform_data = &bfin_spi_dataflash_data,
 436          .controller_data = &data_flash_chip_info,
 437          .mode = SPI_MODE_3,
 438          },
 439 #endif
 440 };
 441
 442 static struct resource bfin_gpios_resources = {
 443         .start = 31,
 444 /*      .end   = MAX_BLACKFIN_GPIOS - 1, */
 445         .end = 32,
 446         .flags = IORESOURCE_IRQ,
 447 };
 448
 449 static struct platform_device bfin_gpios_device = {
 450         .name = "simple-gpio",
 451         .id = -1,
 452         .num_resources = 1,
 453         .resource = &bfin_gpios_resources,
 454 };
 455
 456 static const unsigned int cclk_vlev_datasheet[] = {
 457         VRPAIR(VLEV_085, 250000000),
 458         VRPAIR(VLEV_090, 300000000),
 459         VRPAIR(VLEV_095, 313000000),
 460         VRPAIR(VLEV_100, 350000000),
 461         VRPAIR(VLEV_105, 400000000),
 462         VRPAIR(VLEV_110, 444000000),
 463         VRPAIR(VLEV_115, 450000000),
 464         VRPAIR(VLEV_120, 475000000),
 465         VRPAIR(VLEV_125, 500000000),
 466         VRPAIR(VLEV_130, 600000000),
 467 };
 468
 469 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 470         .tuple_tab = cclk_vlev_datasheet,
 471         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 472         .vr_settling_time = 25 /* us */ ,
 473 };
 474
 475 static struct platform_device bfin_dpmc = {
 476         .name = "bfin dpmc",
 477         .dev = {
 478                 .platform_data = &bfin_dmpc_vreg_data,
 479                 },
 480 };
 481
 482 static struct platform_device *acvilon_devices[] __initdata = {
 483         &bfin_dpmc,
 484
 485 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 486         &bfin_spi0_device,
 487 #endif
 488
 489 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 490 #ifdef CONFIG_SERIAL_BFIN_UART0
 491         &bfin_uart0_device,
 492 #endif
 493 #endif
 494
 495         &bfin_gpios_device,
 496
 497 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 498         &smsc911x_device,
 499 #endif
 500
 501         &bfin_i2c_pca_device,
 502
 503 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 504         &bfin_async_nand_device,
 505 #endif
 506
 507 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
 508         &mtd_ram_device,
 509 #endif
 510
 511 };
 512
 513 static int __init acvilon_init(void)
 514 {
 515         int ret;
 516
 517         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 518
 519         bfin_plat_nand_init();
 520         ret =
 521             platform_add_devices(acvilon_devices, ARRAY_SIZE(acvilon_devices));
 522         if (ret < 0)
 523                 return ret;
 524
 525         i2c_register_board_info(0, acvilon_i2c_devs,
 526                                 ARRAY_SIZE(acvilon_i2c_devs));
 527
 528         bfin_write_FIO0_FLAG_C(1 << 14);
 529         msleep(5);
 530         bfin_write_FIO0_FLAG_S(1 << 14);
 531
 532         spi_register_board_info(bfin_spi_board_info,
 533                                 ARRAY_SIZE(bfin_spi_board_info));
 534         return 0;
 535 }
 536
 537 arch_initcall(acvilon_init);
 538
 539 static struct platform_device *acvilon_early_devices[] __initdata = {
 540 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 541 #ifdef CONFIG_SERIAL_BFIN_UART0
 542         &bfin_uart0_device,
 543 #endif
 544 #endif
 545 };
 546
 547 void __init native_machine_early_platform_add_devices(void)
 548 {
 549         printk(KERN_INFO "register early platform devices\n");
 550         early_platform_add_devices(acvilon_early_devices,
 551                                    ARRAY_SIZE(acvilon_early_devices));
 552 }