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/jiffies.h>
  48 #include <linux/i2c-pca-platform.h>
  49 #include <linux/delay.h>
  50 #include <linux/io.h>
  51 #include <asm/dma.h>
  52 #include <asm/bfin5xx_spi.h>
  53 #include <asm/portmux.h>
  54 #include <asm/dpmc.h>
  55 #include <asm/cacheflush.h>
  56 #include <linux/i2c.h>
  57
  58 /*
  59  * Name the Board for the /proc/cpuinfo
  60  */
  61 const char bfin_board_name[] = "Acvilon board";
  62
  63 #if IS_ENABLED(CONFIG_USB_ISP1760_HCD)
  64 #include <linux/usb/isp1760.h>
  65 static struct resource bfin_isp1760_resources[] = {
  66         [0] = {
  67                .start = 0x20000000,
  68                .end = 0x20000000 + 0x000fffff,
  69                .flags = IORESOURCE_MEM,
  70                },
  71         [1] = {
  72                .start = IRQ_PF15,
  73                .end = IRQ_PF15,
  74                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  75                },
  76 };
  77
  78 static struct isp1760_platform_data isp1760_priv = {
  79         .is_isp1761 = 0,
  80         .port1_disable = 0,
  81         .bus_width_16 = 1,
  82         .port1_otg = 0,
  83         .analog_oc = 0,
  84         .dack_polarity_high = 0,
  85         .dreq_polarity_high = 0,
  86 };
  87
  88 static struct platform_device bfin_isp1760_device = {
  89         .name = "isp1760-hcd",
  90         .id = 0,
  91         .dev = {
  92                 .platform_data = &isp1760_priv,
  93                 },
  94         .num_resources = ARRAY_SIZE(bfin_isp1760_resources),
  95         .resource = bfin_isp1760_resources,
  96 };
  97 #endif
  98
  99 static struct resource bfin_i2c_pca_resources[] = {
 100         {
 101          .name = "pca9564-regs",
 102          .start = 0x2C000000,
 103          .end = 0x2C000000 + 16,
 104          .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
 105          }, {
 106
 107              .start = IRQ_PF8,
 108              .end = IRQ_PF8,
 109              .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 110              },
 111 };
 112
 113 struct i2c_pca9564_pf_platform_data pca9564_platform_data = {
 114         .gpio = -1,
 115         .i2c_clock_speed = 330000,
 116         .timeout = HZ,
 117 };
 118
 119 /* PCA9564 I2C Bus driver */
 120 static struct platform_device bfin_i2c_pca_device = {
 121         .name = "i2c-pca-platform",
 122         .id = 0,
 123         .num_resources = ARRAY_SIZE(bfin_i2c_pca_resources),
 124         .resource = bfin_i2c_pca_resources,
 125         .dev = {
 126                 .platform_data = &pca9564_platform_data,
 127                 }
 128 };
 129
 130 /* I2C devices fitted. */
 131 static struct i2c_board_info acvilon_i2c_devs[] __initdata = {
 132         {
 133          I2C_BOARD_INFO("ds1339", 0x68),
 134          },
 135         {
 136          I2C_BOARD_INFO("tcn75", 0x49),
 137          },
 138 };
 139
 140 #if IS_ENABLED(CONFIG_MTD_PLATRAM)
 141 static struct platdata_mtd_ram mtd_ram_data = {
 142         .mapname = "rootfs(RAM)",
 143         .bankwidth = 4,
 144 };
 145
 146 static struct resource mtd_ram_resource = {
 147         .start = 0x4000000,
 148         .end = 0x5ffffff,
 149         .flags = IORESOURCE_MEM,
 150 };
 151
 152 static struct platform_device mtd_ram_device = {
 153         .name = "mtd-ram",
 154         .id = 0,
 155         .dev = {
 156                 .platform_data = &mtd_ram_data,
 157                 },
 158         .num_resources = 1,
 159         .resource = &mtd_ram_resource,
 160 };
 161 #endif
 162
 163 #if IS_ENABLED(CONFIG_SMSC911X)
 164 #include <linux/smsc911x.h>
 165 static struct resource smsc911x_resources[] = {
 166         {
 167          .name = "smsc911x-memory",
 168          .start = 0x28000000,
 169          .end = 0x28000000 + 0xFF,
 170          .flags = IORESOURCE_MEM,
 171          },
 172         {
 173          .start = IRQ_PF7,
 174          .end = IRQ_PF7,
 175          .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 176          },
 177 };
 178
 179 static struct smsc911x_platform_config smsc911x_config = {
 180         .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
 181         .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 182         .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 183         .phy_interface = PHY_INTERFACE_MODE_MII,
 184 };
 185
 186 static struct platform_device smsc911x_device = {
 187         .name = "smsc911x",
 188         .id = 0,
 189         .num_resources = ARRAY_SIZE(smsc911x_resources),
 190         .resource = smsc911x_resources,
 191         .dev = {
 192                 .platform_data = &smsc911x_config,
 193                 },
 194 };
 195 #endif
 196
 197 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 198 #ifdef CONFIG_SERIAL_BFIN_UART0
 199 static struct resource bfin_uart0_resources[] = {
 200         {
 201          .start = BFIN_UART_THR,
 202          .end = BFIN_UART_GCTL + 2,
 203          .flags = IORESOURCE_MEM,
 204          },
 205         {
 206          .start = IRQ_UART_TX,
 207          .end = IRQ_UART_TX,
 208          .flags = IORESOURCE_IRQ,
 209          },
 210         {
 211          .start = IRQ_UART_RX,
 212          .end = IRQ_UART_RX,
 213          .flags = IORESOURCE_IRQ,
 214          },
 215         {
 216          .start = IRQ_UART_ERROR,
 217          .end = IRQ_UART_ERROR,
 218          .flags = IORESOURCE_IRQ,
 219          },
 220         {
 221          .start = CH_UART_TX,
 222          .end = CH_UART_TX,
 223          .flags = IORESOURCE_DMA,
 224          },
 225         {
 226          .start = CH_UART_RX,
 227          .end = CH_UART_RX,
 228          .flags = IORESOURCE_DMA,
 229          },
 230 };
 231
 232 static unsigned short bfin_uart0_peripherals[] = {
 233         P_UART0_TX, P_UART0_RX, 0
 234 };
 235
 236 static struct platform_device bfin_uart0_device = {
 237         .name = "bfin-uart",
 238         .id = 0,
 239         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 240         .resource = bfin_uart0_resources,
 241         .dev = {
 242                 /* Passed to driver */
 243                 .platform_data = &bfin_uart0_peripherals,
 244                 },
 245 };
 246 #endif
 247 #endif
 248
 249 #if IS_ENABLED(CONFIG_MTD_NAND_PLATFORM)
 250
 251 static struct mtd_partition bfin_plat_nand_partitions[] = {
 252         {
 253          .name = "params(nand)",
 254          .size = 32 * 1024 * 1024,
 255          .offset = 0,
 256          }, {
 257              .name = "userfs(nand)",
 258              .size = MTDPART_SIZ_FULL,
 259              .offset = MTDPART_OFS_APPEND,
 260              },
 261 };
 262
 263 #define BFIN_NAND_PLAT_CLE 2
 264 #define BFIN_NAND_PLAT_ALE 3
 265
 266 static void bfin_plat_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 267                                     unsigned int ctrl)
 268 {
 269         struct nand_chip *this = mtd->priv;
 270
 271         if (cmd == NAND_CMD_NONE)
 272                 return;
 273
 274         if (ctrl & NAND_CLE)
 275                 writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_CLE));
 276         else
 277                 writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_ALE));
 278 }
 279
 280 #define BFIN_NAND_PLAT_READY GPIO_PF10
 281 static int bfin_plat_nand_dev_ready(struct mtd_info *mtd)
 282 {
 283         return gpio_get_value(BFIN_NAND_PLAT_READY);
 284 }
 285
 286 static struct platform_nand_data bfin_plat_nand_data = {
 287         .chip = {
 288                  .nr_chips = 1,
 289                  .chip_delay = 30,
 290                  .partitions = bfin_plat_nand_partitions,
 291                  .nr_partitions = ARRAY_SIZE(bfin_plat_nand_partitions),
 292                  },
 293         .ctrl = {
 294                  .cmd_ctrl = bfin_plat_nand_cmd_ctrl,
 295                  .dev_ready = bfin_plat_nand_dev_ready,
 296                  },
 297 };
 298
 299 #define MAX(x, y) (x > y ? x : y)
 300 static struct resource bfin_plat_nand_resources = {
 301         .start = 0x24000000,
 302         .end = 0x24000000 + (1 << MAX(BFIN_NAND_PLAT_CLE, BFIN_NAND_PLAT_ALE)),
 303         .flags = IORESOURCE_MEM,
 304 };
 305
 306 static struct platform_device bfin_async_nand_device = {
 307         .name = "gen_nand",
 308         .id = -1,
 309         .num_resources = 1,
 310         .resource = &bfin_plat_nand_resources,
 311         .dev = {
 312                 .platform_data = &bfin_plat_nand_data,
 313                 },
 314 };
 315
 316 static void bfin_plat_nand_init(void)
 317 {
 318         gpio_request(BFIN_NAND_PLAT_READY, "bfin_nand_plat");
 319 }
 320 #else
 321 static void bfin_plat_nand_init(void)
 322 {
 323 }
 324 #endif
 325
 326 #if IS_ENABLED(CONFIG_MTD_DATAFLASH)
 327 static struct mtd_partition bfin_spi_dataflash_partitions[] = {
 328         {
 329          .name = "bootloader",
 330          .size = 0x4200,
 331          .offset = 0,
 332          .mask_flags = MTD_CAP_ROM},
 333         {
 334          .name = "u-boot",
 335          .size = 0x42000,
 336          .offset = MTDPART_OFS_APPEND,
 337          },
 338         {
 339          .name = "u-boot(params)",
 340          .size = 0x4200,
 341          .offset = MTDPART_OFS_APPEND,
 342          },
 343         {
 344          .name = "kernel",
 345          .size = 0x294000,
 346          .offset = MTDPART_OFS_APPEND,
 347          },
 348         {
 349          .name = "params",
 350          .size = 0x42000,
 351          .offset = MTDPART_OFS_APPEND,
 352          },
 353         {
 354          .name = "rootfs",
 355          .size = MTDPART_SIZ_FULL,
 356          .offset = MTDPART_OFS_APPEND,
 357          }
 358 };
 359
 360 static struct flash_platform_data bfin_spi_dataflash_data = {
 361         .name = "SPI Dataflash",
 362         .parts = bfin_spi_dataflash_partitions,
 363         .nr_parts = ARRAY_SIZE(bfin_spi_dataflash_partitions),
 364 };
 365
 366 /* DataFlash chip */
 367 static struct bfin5xx_spi_chip data_flash_chip_info = {
 368         .enable_dma = 0,        /* use dma transfer with this chip */
 369 };
 370 #endif
 371
 372 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 373 /* SPI (0) */
 374 static struct resource bfin_spi0_resource[] = {
 375         [0] = {
 376                .start = SPI0_REGBASE,
 377                .end = SPI0_REGBASE + 0xFF,
 378                .flags = IORESOURCE_MEM,
 379                },
 380         [1] = {
 381                .start = CH_SPI,
 382                .end = CH_SPI,
 383                .flags = IORESOURCE_DMA,
 384                },
 385         [2] = {
 386                .start = IRQ_SPI,
 387                .end = IRQ_SPI,
 388                .flags = IORESOURCE_IRQ,
 389                },
 390 };
 391
 392 /* SPI controller data */
 393 static struct bfin5xx_spi_master bfin_spi0_info = {
 394         .num_chipselect = 8,
 395         .enable_dma = 1,        /* master has the ability to do dma transfer */
 396         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 397 };
 398
 399 static struct platform_device bfin_spi0_device = {
 400         .name = "bfin-spi",
 401         .id = 0,                /* Bus number */
 402         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 403         .resource = bfin_spi0_resource,
 404         .dev = {
 405                 .platform_data = &bfin_spi0_info,       /* Passed to driver */
 406                 },
 407 };
 408 #endif
 409
 410 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 411 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
 412         {
 413          .modalias = "spidev",
 414          .max_speed_hz = 3125000,       /* max spi clock (SCK) speed in HZ */
 415          .bus_num = 0,
 416          .chip_select = 3,
 417          },
 418 #endif
 419 #if IS_ENABLED(CONFIG_MTD_DATAFLASH)
 420         {                       /* DataFlash chip */
 421          .modalias = "mtd_dataflash",
 422          .max_speed_hz = 33250000,      /* max spi clock (SCK) speed in HZ */
 423          .bus_num = 0,          /* Framework bus number */
 424          .chip_select = 2,      /* Framework chip select */
 425          .platform_data = &bfin_spi_dataflash_data,
 426          .controller_data = &data_flash_chip_info,
 427          .mode = SPI_MODE_3,
 428          },
 429 #endif
 430 };
 431
 432 static struct resource bfin_gpios_resources = {
 433         .start = 31,
 434 /*      .end   = MAX_BLACKFIN_GPIOS - 1, */
 435         .end = 32,
 436         .flags = IORESOURCE_IRQ,
 437 };
 438
 439 static struct platform_device bfin_gpios_device = {
 440         .name = "simple-gpio",
 441         .id = -1,
 442         .num_resources = 1,
 443         .resource = &bfin_gpios_resources,
 444 };
 445
 446 static const unsigned int cclk_vlev_datasheet[] = {
 447         VRPAIR(VLEV_085, 250000000),
 448         VRPAIR(VLEV_090, 300000000),
 449         VRPAIR(VLEV_095, 313000000),
 450         VRPAIR(VLEV_100, 350000000),
 451         VRPAIR(VLEV_105, 400000000),
 452         VRPAIR(VLEV_110, 444000000),
 453         VRPAIR(VLEV_115, 450000000),
 454         VRPAIR(VLEV_120, 475000000),
 455         VRPAIR(VLEV_125, 500000000),
 456         VRPAIR(VLEV_130, 600000000),
 457 };
 458
 459 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 460         .tuple_tab = cclk_vlev_datasheet,
 461         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 462         .vr_settling_time = 25 /* us */ ,
 463 };
 464
 465 static struct platform_device bfin_dpmc = {
 466         .name = "bfin dpmc",
 467         .dev = {
 468                 .platform_data = &bfin_dmpc_vreg_data,
 469                 },
 470 };
 471
 472 static struct platform_device *acvilon_devices[] __initdata = {
 473         &bfin_dpmc,
 474
 475 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 476         &bfin_spi0_device,
 477 #endif
 478
 479 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 480 #ifdef CONFIG_SERIAL_BFIN_UART0
 481         &bfin_uart0_device,
 482 #endif
 483 #endif
 484
 485         &bfin_gpios_device,
 486
 487 #if IS_ENABLED(CONFIG_SMSC911X)
 488         &smsc911x_device,
 489 #endif
 490
 491         &bfin_i2c_pca_device,
 492
 493 #if IS_ENABLED(CONFIG_MTD_NAND_PLATFORM)
 494         &bfin_async_nand_device,
 495 #endif
 496
 497 #if IS_ENABLED(CONFIG_MTD_PLATRAM)
 498         &mtd_ram_device,
 499 #endif
 500
 501 };
 502
 503 static int __init acvilon_init(void)
 504 {
 505         int ret;
 506
 507         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 508
 509         bfin_plat_nand_init();
 510         ret =
 511             platform_add_devices(acvilon_devices, ARRAY_SIZE(acvilon_devices));
 512         if (ret < 0)
 513                 return ret;
 514
 515         i2c_register_board_info(0, acvilon_i2c_devs,
 516                                 ARRAY_SIZE(acvilon_i2c_devs));
 517
 518         bfin_write_FIO0_FLAG_C(1 << 14);
 519         msleep(5);
 520         bfin_write_FIO0_FLAG_S(1 << 14);
 521
 522         spi_register_board_info(bfin_spi_board_info,
 523                                 ARRAY_SIZE(bfin_spi_board_info));
 524         return 0;
 525 }
 526
 527 arch_initcall(acvilon_init);
 528
 529 static struct platform_device *acvilon_early_devices[] __initdata = {
 530 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 531 #ifdef CONFIG_SERIAL_BFIN_UART0
 532         &bfin_uart0_device,
 533 #endif
 534 #endif
 535 };
 536
 537 void __init native_machine_early_platform_add_devices(void)
 538 {
 539         printk(KERN_INFO "register early platform devices\n");
 540         early_platform_add_devices(acvilon_early_devices,
 541                                    ARRAY_SIZE(acvilon_early_devices));
 542 }