arch/arm/mach-omap1/board-innovator.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-innovator.c
   3  *
   4  * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
   5  *
   6  * Copyright (C) 2001 RidgeRun, Inc.
   7  * Author: Greg Lonnon <glonnon@ridgerun.com>
   8  *
   9  * Copyright (C) 2002 MontaVista Software, Inc.
  10  *
  11  * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
  12  * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17  */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/delay.h>
  23 #include <linux/mtd/mtd.h>
  24 #include <linux/mtd/partitions.h>
  25 #include <linux/input.h>
  26
  27 #include <mach/hardware.h>
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/flash.h>
  31 #include <asm/mach/map.h>
  32
  33 #include <mach/mux.h>
  34 #include <mach/fpga.h>
  35 #include <mach/gpio.h>
  36 #include <mach/tc.h>
  37 #include <mach/usb.h>
  38 #include <mach/keypad.h>
  39 #include <mach/common.h>
  40 #include <mach/mcbsp.h>
  41 #include <mach/omap-alsa.h>
  42 #include <mach/mmc.h>
  43
  44 static int innovator_keymap[] = {
  45         KEY(0, 0, KEY_F1),
  46         KEY(0, 3, KEY_DOWN),
  47         KEY(1, 1, KEY_F2),
  48         KEY(1, 2, KEY_RIGHT),
  49         KEY(2, 0, KEY_F3),
  50         KEY(2, 1, KEY_F4),
  51         KEY(2, 2, KEY_UP),
  52         KEY(3, 2, KEY_ENTER),
  53         KEY(3, 3, KEY_LEFT),
  54         0
  55 };
  56
  57 static struct mtd_partition innovator_partitions[] = {
  58         /* bootloader (U-Boot, etc) in first sector */
  59         {
  60               .name             = "bootloader",
  61               .offset           = 0,
  62               .size             = SZ_128K,
  63               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  64         },
  65         /* bootloader params in the next sector */
  66         {
  67               .name             = "params",
  68               .offset           = MTDPART_OFS_APPEND,
  69               .size             = SZ_128K,
  70               .mask_flags       = 0,
  71         },
  72         /* kernel */
  73         {
  74               .name             = "kernel",
  75               .offset           = MTDPART_OFS_APPEND,
  76               .size             = SZ_2M,
  77               .mask_flags       = 0
  78         },
  79         /* rest of flash1 is a file system */
  80         {
  81               .name             = "rootfs",
  82               .offset           = MTDPART_OFS_APPEND,
  83               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  84               .mask_flags       = 0
  85         },
  86         /* file system */
  87         {
  88               .name             = "filesystem",
  89               .offset           = MTDPART_OFS_APPEND,
  90               .size             = MTDPART_SIZ_FULL,
  91               .mask_flags       = 0
  92         }
  93 };
  94
  95 static struct flash_platform_data innovator_flash_data = {
  96         .map_name       = "cfi_probe",
  97         .width          = 2,
  98         .parts          = innovator_partitions,
  99         .nr_parts       = ARRAY_SIZE(innovator_partitions),
 100 };
 101
 102 static struct resource innovator_flash_resource = {
 103         .start          = OMAP_CS0_PHYS,
 104         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 105         .flags          = IORESOURCE_MEM,
 106 };
 107
 108 static struct platform_device innovator_flash_device = {
 109         .name           = "omapflash",
 110         .id             = 0,
 111         .dev            = {
 112                 .platform_data  = &innovator_flash_data,
 113         },
 114         .num_resources  = 1,
 115         .resource       = &innovator_flash_resource,
 116 };
 117
 118 #define DEFAULT_BITPERSAMPLE 16
 119
 120 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 121         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
 122         .spcr1 = RINTM(3) | RRST,
 123         .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 124             RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
 125         .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
 126         .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 127             XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
 128         .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
 129         .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
 130         .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
 131         /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
 132         .pcr0 = CLKXP | CLKRP,  /* mcbsp: slave */
 133 };
 134
 135 static struct omap_alsa_codec_config alsa_config = {
 136         .name                   = "OMAP Innovator AIC23",
 137         .mcbsp_regs_alsa        = &mcbsp_regs,
 138         .codec_configure_dev    = NULL, /* aic23_configure, */
 139         .codec_set_samplerate   = NULL, /* aic23_set_samplerate, */
 140         .codec_clock_setup      = NULL, /* aic23_clock_setup, */
 141         .codec_clock_on         = NULL, /* aic23_clock_on, */
 142         .codec_clock_off        = NULL, /* aic23_clock_off, */
 143         .get_default_samplerate = NULL, /* aic23_get_default_samplerate, */
 144 };
 145
 146 static struct platform_device innovator_mcbsp1_device = {
 147         .name   = "omap_alsa_mcbsp",
 148         .id     = 1,
 149         .dev = {
 150                 .platform_data  = &alsa_config,
 151         },
 152 };
 153
 154 static struct resource innovator_kp_resources[] = {
 155         [0] = {
 156                 .start  = INT_KEYBOARD,
 157                 .end    = INT_KEYBOARD,
 158                 .flags  = IORESOURCE_IRQ,
 159         },
 160 };
 161
 162 static struct omap_kp_platform_data innovator_kp_data = {
 163         .rows           = 8,
 164         .cols           = 8,
 165         .keymap         = innovator_keymap,
 166         .keymapsize     = ARRAY_SIZE(innovator_keymap),
 167         .delay          = 4,
 168 };
 169
 170 static struct platform_device innovator_kp_device = {
 171         .name           = "omap-keypad",
 172         .id             = -1,
 173         .dev            = {
 174                 .platform_data = &innovator_kp_data,
 175         },
 176         .num_resources  = ARRAY_SIZE(innovator_kp_resources),
 177         .resource       = innovator_kp_resources,
 178 };
 179
 180
 181 #ifdef CONFIG_ARCH_OMAP15XX
 182
 183 #include <linux/spi/spi.h>
 184 #include <linux/spi/ads7846.h>
 185
 186
 187 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 188 static struct map_desc innovator1510_io_desc[] __initdata = {
 189         {
 190                 .virtual        = OMAP1510_FPGA_BASE,
 191                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 192                 .length         = OMAP1510_FPGA_SIZE,
 193                 .type           = MT_DEVICE
 194         }
 195 };
 196
 197 static struct resource innovator1510_smc91x_resources[] = {
 198         [0] = {
 199                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 200                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 201                 .flags  = IORESOURCE_MEM,
 202         },
 203         [1] = {
 204                 .start  = OMAP1510_INT_ETHER,
 205                 .end    = OMAP1510_INT_ETHER,
 206                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 207         },
 208 };
 209
 210 static struct platform_device innovator1510_smc91x_device = {
 211         .name           = "smc91x",
 212         .id             = 0,
 213         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 214         .resource       = innovator1510_smc91x_resources,
 215 };
 216
 217 static struct platform_device innovator1510_lcd_device = {
 218         .name           = "lcd_inn1510",
 219         .id             = -1,
 220 };
 221
 222 static struct platform_device innovator1510_spi_device = {
 223         .name           = "spi_inn1510",
 224         .id             = -1,
 225 };
 226
 227 static struct platform_device *innovator1510_devices[] __initdata = {
 228         &innovator_flash_device,
 229         &innovator1510_smc91x_device,
 230         &innovator_mcbsp1_device,
 231         &innovator_kp_device,
 232         &innovator1510_lcd_device,
 233         &innovator1510_spi_device,
 234 };
 235
 236 static int innovator_get_pendown_state(void)
 237 {
 238         return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
 239 }
 240
 241 static const struct ads7846_platform_data innovator1510_ts_info = {
 242         .model                  = 7846,
 243         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 244         .x_plate_ohms           = 419,
 245         .y_plate_ohms           = 486,
 246         .get_pendown_state      = innovator_get_pendown_state,
 247 };
 248
 249 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
 250         /* FPGA (bus "10") CS0 has an ads7846e */
 251         .modalias               = "ads7846",
 252         .platform_data          = &innovator1510_ts_info,
 253         .irq                    = OMAP1510_INT_FPGA_TS,
 254         .max_speed_hz           = 120000 /* max sample rate at 3V */
 255                                         * 26 /* command + data + overhead */,
 256         .bus_num                = 10,
 257         .chip_select            = 0,
 258 } };
 259
 260 #endif /* CONFIG_ARCH_OMAP15XX */
 261
 262 #ifdef CONFIG_ARCH_OMAP16XX
 263
 264 static struct resource innovator1610_smc91x_resources[] = {
 265         [0] = {
 266                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 267                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 268                 .flags  = IORESOURCE_MEM,
 269         },
 270         [1] = {
 271                 .start  = OMAP_GPIO_IRQ(0),
 272                 .end    = OMAP_GPIO_IRQ(0),
 273                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 274         },
 275 };
 276
 277 static struct platform_device innovator1610_smc91x_device = {
 278         .name           = "smc91x",
 279         .id             = 0,
 280         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 281         .resource       = innovator1610_smc91x_resources,
 282 };
 283
 284 static struct platform_device innovator1610_lcd_device = {
 285         .name           = "inn1610_lcd",
 286         .id             = -1,
 287 };
 288
 289 static struct platform_device *innovator1610_devices[] __initdata = {
 290         &innovator_flash_device,
 291         &innovator1610_smc91x_device,
 292         &innovator_kp_device,
 293         &innovator1610_lcd_device,
 294 };
 295
 296 #endif /* CONFIG_ARCH_OMAP16XX */
 297
 298 static void __init innovator_init_smc91x(void)
 299 {
 300         if (cpu_is_omap1510()) {
 301                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 302                            OMAP1510_FPGA_RST);
 303                 udelay(750);
 304         } else {
 305                 if ((omap_request_gpio(0)) < 0) {
 306                         printk("Error requesting gpio 0 for smc91x irq\n");
 307                         return;
 308                 }
 309         }
 310 }
 311
 312 static void __init innovator_init_irq(void)
 313 {
 314         omap1_init_common_hw();
 315         omap_init_irq();
 316         omap_gpio_init();
 317 #ifdef CONFIG_ARCH_OMAP15XX
 318         if (cpu_is_omap1510()) {
 319                 omap1510_fpga_init_irq();
 320         }
 321 #endif
 322         innovator_init_smc91x();
 323 }
 324
 325 #ifdef CONFIG_ARCH_OMAP15XX
 326 static struct omap_usb_config innovator1510_usb_config __initdata = {
 327         /* for bundled non-standard host and peripheral cables */
 328         .hmc_mode       = 4,
 329
 330         .register_host  = 1,
 331         .pins[1]        = 6,
 332         .pins[2]        = 6,            /* Conflicts with UART2 */
 333
 334         .register_dev   = 1,
 335         .pins[0]        = 2,
 336 };
 337
 338 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
 339         .ctrl_name      = "internal",
 340 };
 341 #endif
 342
 343 #ifdef CONFIG_ARCH_OMAP16XX
 344 static struct omap_usb_config h2_usb_config __initdata = {
 345         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 346         .otg            = 2,
 347
 348 #ifdef  CONFIG_USB_GADGET_OMAP
 349         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 350         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 351 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 352         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 353         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 354 #endif
 355
 356         .pins[1]        = 3,
 357 };
 358
 359 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
 360         .ctrl_name      = "internal",
 361 };
 362 #endif
 363
 364 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
 365
 366 static int mmc_set_power(struct device *dev, int slot, int power_on,
 367                                 int vdd)
 368 {
 369         if (power_on)
 370                 fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3),
 371                                 OMAP1510_FPGA_POWER);
 372         else
 373                 fpga_write(fpga_read(OMAP1510_FPGA_POWER) & ~(1 << 3),
 374                                 OMAP1510_FPGA_POWER);
 375
 376         return 0;
 377 }
 378
 379 /*
 380  * Innovator could use the following functions tested:
 381  * - mmc_get_wp that uses OMAP_MPUIO(3)
 382  * - mmc_get_cover_state that uses FPGA F4 UIO43
 383  */
 384 static struct omap_mmc_platform_data mmc1_data = {
 385         .nr_slots                       = 1,
 386         .slots[0]       = {
 387                 .set_power              = mmc_set_power,
 388                 .wire4                  = 1,
 389                 .name                   = "mmcblk",
 390         },
 391 };
 392
 393 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
 394
 395 void __init innovator_mmc_init(void)
 396 {
 397         mmc_data[0] = &mmc1_data;
 398         omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
 399 }
 400
 401 #else
 402 static inline void innovator_mmc_init(void)
 403 {
 404 }
 405 #endif
 406
 407 static struct omap_uart_config innovator_uart_config __initdata = {
 408         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 409 };
 410
 411 static struct omap_board_config_kernel innovator_config[] = {
 412         { OMAP_TAG_USB,         NULL },
 413         { OMAP_TAG_LCD,         NULL },
 414         { OMAP_TAG_UART,        &innovator_uart_config },
 415 };
 416
 417 static void __init innovator_init(void)
 418 {
 419 #ifdef CONFIG_ARCH_OMAP15XX
 420         if (cpu_is_omap1510()) {
 421                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 422                 spi_register_board_info(innovator1510_boardinfo,
 423                                 ARRAY_SIZE(innovator1510_boardinfo));
 424         }
 425 #endif
 426 #ifdef CONFIG_ARCH_OMAP16XX
 427         if (!cpu_is_omap1510()) {
 428                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 429         }
 430 #endif
 431
 432 #ifdef CONFIG_ARCH_OMAP15XX
 433         if (cpu_is_omap1510()) {
 434                 innovator_config[0].data = &innovator1510_usb_config;
 435                 innovator_config[1].data = &innovator1510_lcd_config;
 436         }
 437 #endif
 438 #ifdef CONFIG_ARCH_OMAP16XX
 439         if (cpu_is_omap1610()) {
 440                 innovator_config[0].data = &h2_usb_config;
 441                 innovator_config[1].data = &innovator1610_lcd_config;
 442         }
 443 #endif
 444         omap_board_config = innovator_config;
 445         omap_board_config_size = ARRAY_SIZE(innovator_config);
 446         omap_serial_init();
 447         omap_register_i2c_bus(1, 100, NULL, 0);
 448         innovator_mmc_init();
 449 }
 450
 451 static void __init innovator_map_io(void)
 452 {
 453         omap1_map_common_io();
 454
 455 #ifdef CONFIG_ARCH_OMAP15XX
 456         if (cpu_is_omap1510()) {
 457                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 458                 udelay(10);     /* Delay needed for FPGA */
 459
 460                 /* Dump the Innovator FPGA rev early - useful info for support. */
 461                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 462                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 463                        fpga_read(OMAP1510_FPGA_REV_LOW),
 464                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 465         }
 466 #endif
 467 }
 468
 469 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 470         /* Maintainer: MontaVista Software, Inc. */
 471         .phys_io        = 0xfff00000,
 472         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 473         .boot_params    = 0x10000100,
 474         .map_io         = innovator_map_io,
 475         .init_irq       = innovator_init_irq,
 476         .init_machine   = innovator_init,
 477         .timer          = &omap_timer,
 478 MACHINE_END