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/mmc.h>
  41
  42 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  43 #define INNOVATOR1610_ETHR_START        0x04000300
  44
  45 static int innovator_keymap[] = {
  46         KEY(0, 0, KEY_F1),
  47         KEY(0, 3, KEY_DOWN),
  48         KEY(1, 1, KEY_F2),
  49         KEY(1, 2, KEY_RIGHT),
  50         KEY(2, 0, KEY_F3),
  51         KEY(2, 1, KEY_F4),
  52         KEY(2, 2, KEY_UP),
  53         KEY(3, 2, KEY_ENTER),
  54         KEY(3, 3, KEY_LEFT),
  55         0
  56 };
  57
  58 static struct mtd_partition innovator_partitions[] = {
  59         /* bootloader (U-Boot, etc) in first sector */
  60         {
  61               .name             = "bootloader",
  62               .offset           = 0,
  63               .size             = SZ_128K,
  64               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  65         },
  66         /* bootloader params in the next sector */
  67         {
  68               .name             = "params",
  69               .offset           = MTDPART_OFS_APPEND,
  70               .size             = SZ_128K,
  71               .mask_flags       = 0,
  72         },
  73         /* kernel */
  74         {
  75               .name             = "kernel",
  76               .offset           = MTDPART_OFS_APPEND,
  77               .size             = SZ_2M,
  78               .mask_flags       = 0
  79         },
  80         /* rest of flash1 is a file system */
  81         {
  82               .name             = "rootfs",
  83               .offset           = MTDPART_OFS_APPEND,
  84               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  85               .mask_flags       = 0
  86         },
  87         /* file system */
  88         {
  89               .name             = "filesystem",
  90               .offset           = MTDPART_OFS_APPEND,
  91               .size             = MTDPART_SIZ_FULL,
  92               .mask_flags       = 0
  93         }
  94 };
  95
  96 static struct flash_platform_data innovator_flash_data = {
  97         .map_name       = "cfi_probe",
  98         .width          = 2,
  99         .parts          = innovator_partitions,
 100         .nr_parts       = ARRAY_SIZE(innovator_partitions),
 101 };
 102
 103 static struct resource innovator_flash_resource = {
 104         .start          = OMAP_CS0_PHYS,
 105         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 106         .flags          = IORESOURCE_MEM,
 107 };
 108
 109 static struct platform_device innovator_flash_device = {
 110         .name           = "omapflash",
 111         .id             = 0,
 112         .dev            = {
 113                 .platform_data  = &innovator_flash_data,
 114         },
 115         .num_resources  = 1,
 116         .resource       = &innovator_flash_resource,
 117 };
 118
 119 static struct resource innovator_kp_resources[] = {
 120         [0] = {
 121                 .start  = INT_KEYBOARD,
 122                 .end    = INT_KEYBOARD,
 123                 .flags  = IORESOURCE_IRQ,
 124         },
 125 };
 126
 127 static struct omap_kp_platform_data innovator_kp_data = {
 128         .rows           = 8,
 129         .cols           = 8,
 130         .keymap         = innovator_keymap,
 131         .keymapsize     = ARRAY_SIZE(innovator_keymap),
 132         .delay          = 4,
 133 };
 134
 135 static struct platform_device innovator_kp_device = {
 136         .name           = "omap-keypad",
 137         .id             = -1,
 138         .dev            = {
 139                 .platform_data = &innovator_kp_data,
 140         },
 141         .num_resources  = ARRAY_SIZE(innovator_kp_resources),
 142         .resource       = innovator_kp_resources,
 143 };
 144
 145
 146 #ifdef CONFIG_ARCH_OMAP15XX
 147
 148 #include <linux/spi/spi.h>
 149 #include <linux/spi/ads7846.h>
 150
 151
 152 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 153 static struct map_desc innovator1510_io_desc[] __initdata = {
 154         {
 155                 .virtual        = OMAP1510_FPGA_BASE,
 156                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 157                 .length         = OMAP1510_FPGA_SIZE,
 158                 .type           = MT_DEVICE
 159         }
 160 };
 161
 162 static struct resource innovator1510_smc91x_resources[] = {
 163         [0] = {
 164                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 165                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 166                 .flags  = IORESOURCE_MEM,
 167         },
 168         [1] = {
 169                 .start  = OMAP1510_INT_ETHER,
 170                 .end    = OMAP1510_INT_ETHER,
 171                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 172         },
 173 };
 174
 175 static struct platform_device innovator1510_smc91x_device = {
 176         .name           = "smc91x",
 177         .id             = 0,
 178         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 179         .resource       = innovator1510_smc91x_resources,
 180 };
 181
 182 static struct platform_device innovator1510_lcd_device = {
 183         .name           = "lcd_inn1510",
 184         .id             = -1,
 185 };
 186
 187 static struct platform_device innovator1510_spi_device = {
 188         .name           = "spi_inn1510",
 189         .id             = -1,
 190 };
 191
 192 static struct platform_device *innovator1510_devices[] __initdata = {
 193         &innovator_flash_device,
 194         &innovator1510_smc91x_device,
 195         &innovator_kp_device,
 196         &innovator1510_lcd_device,
 197         &innovator1510_spi_device,
 198 };
 199
 200 static int innovator_get_pendown_state(void)
 201 {
 202         return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
 203 }
 204
 205 static const struct ads7846_platform_data innovator1510_ts_info = {
 206         .model                  = 7846,
 207         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 208         .x_plate_ohms           = 419,
 209         .y_plate_ohms           = 486,
 210         .get_pendown_state      = innovator_get_pendown_state,
 211 };
 212
 213 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
 214         /* FPGA (bus "10") CS0 has an ads7846e */
 215         .modalias               = "ads7846",
 216         .platform_data          = &innovator1510_ts_info,
 217         .irq                    = OMAP1510_INT_FPGA_TS,
 218         .max_speed_hz           = 120000 /* max sample rate at 3V */
 219                                         * 26 /* command + data + overhead */,
 220         .bus_num                = 10,
 221         .chip_select            = 0,
 222 } };
 223
 224 #endif /* CONFIG_ARCH_OMAP15XX */
 225
 226 #ifdef CONFIG_ARCH_OMAP16XX
 227
 228 static struct resource innovator1610_smc91x_resources[] = {
 229         [0] = {
 230                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 231                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 232                 .flags  = IORESOURCE_MEM,
 233         },
 234         [1] = {
 235                 .start  = OMAP_GPIO_IRQ(0),
 236                 .end    = OMAP_GPIO_IRQ(0),
 237                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 238         },
 239 };
 240
 241 static struct platform_device innovator1610_smc91x_device = {
 242         .name           = "smc91x",
 243         .id             = 0,
 244         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 245         .resource       = innovator1610_smc91x_resources,
 246 };
 247
 248 static struct platform_device innovator1610_lcd_device = {
 249         .name           = "inn1610_lcd",
 250         .id             = -1,
 251 };
 252
 253 static struct platform_device *innovator1610_devices[] __initdata = {
 254         &innovator_flash_device,
 255         &innovator1610_smc91x_device,
 256         &innovator_kp_device,
 257         &innovator1610_lcd_device,
 258 };
 259
 260 #endif /* CONFIG_ARCH_OMAP16XX */
 261
 262 static void __init innovator_init_smc91x(void)
 263 {
 264         if (cpu_is_omap1510()) {
 265                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 266                            OMAP1510_FPGA_RST);
 267                 udelay(750);
 268         } else {
 269                 if (gpio_request(0, "SMC91x irq") < 0) {
 270                         printk("Error requesting gpio 0 for smc91x irq\n");
 271                         return;
 272                 }
 273         }
 274 }
 275
 276 static void __init innovator_init_irq(void)
 277 {
 278         omap1_init_common_hw();
 279         omap_init_irq();
 280         omap_gpio_init();
 281 #ifdef CONFIG_ARCH_OMAP15XX
 282         if (cpu_is_omap1510()) {
 283                 omap1510_fpga_init_irq();
 284         }
 285 #endif
 286         innovator_init_smc91x();
 287 }
 288
 289 #ifdef CONFIG_ARCH_OMAP15XX
 290 static struct omap_usb_config innovator1510_usb_config __initdata = {
 291         /* for bundled non-standard host and peripheral cables */
 292         .hmc_mode       = 4,
 293
 294         .register_host  = 1,
 295         .pins[1]        = 6,
 296         .pins[2]        = 6,            /* Conflicts with UART2 */
 297
 298         .register_dev   = 1,
 299         .pins[0]        = 2,
 300 };
 301
 302 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
 303         .ctrl_name      = "internal",
 304 };
 305 #endif
 306
 307 #ifdef CONFIG_ARCH_OMAP16XX
 308 static struct omap_usb_config h2_usb_config __initdata = {
 309         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 310         .otg            = 2,
 311
 312 #ifdef  CONFIG_USB_GADGET_OMAP
 313         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 314         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 315 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 316         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 317         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 318 #endif
 319
 320         .pins[1]        = 3,
 321 };
 322
 323 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
 324         .ctrl_name      = "internal",
 325 };
 326 #endif
 327
 328 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
 329
 330 static int mmc_set_power(struct device *dev, int slot, int power_on,
 331                                 int vdd)
 332 {
 333         if (power_on)
 334                 fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3),
 335                                 OMAP1510_FPGA_POWER);
 336         else
 337                 fpga_write(fpga_read(OMAP1510_FPGA_POWER) & ~(1 << 3),
 338                                 OMAP1510_FPGA_POWER);
 339
 340         return 0;
 341 }
 342
 343 /*
 344  * Innovator could use the following functions tested:
 345  * - mmc_get_wp that uses OMAP_MPUIO(3)
 346  * - mmc_get_cover_state that uses FPGA F4 UIO43
 347  */
 348 static struct omap_mmc_platform_data mmc1_data = {
 349         .nr_slots                       = 1,
 350         .slots[0]       = {
 351                 .set_power              = mmc_set_power,
 352                 .wires                  = 4,
 353                 .name                   = "mmcblk",
 354         },
 355 };
 356
 357 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
 358
 359 void __init innovator_mmc_init(void)
 360 {
 361         mmc_data[0] = &mmc1_data;
 362         omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
 363 }
 364
 365 #else
 366 static inline void innovator_mmc_init(void)
 367 {
 368 }
 369 #endif
 370
 371 static struct omap_board_config_kernel innovator_config[] = {
 372         { OMAP_TAG_LCD,         NULL },
 373 };
 374
 375 static void __init innovator_init(void)
 376 {
 377 #ifdef CONFIG_ARCH_OMAP15XX
 378         if (cpu_is_omap1510()) {
 379                 unsigned char reg;
 380
 381                 /* mux pins for uarts */
 382                 omap_cfg_reg(UART1_TX);
 383                 omap_cfg_reg(UART1_RTS);
 384                 omap_cfg_reg(UART2_TX);
 385                 omap_cfg_reg(UART2_RTS);
 386                 omap_cfg_reg(UART3_TX);
 387                 omap_cfg_reg(UART3_RX);
 388
 389                 reg = fpga_read(OMAP1510_FPGA_POWER);
 390                 reg |= OMAP1510_FPGA_PCR_COM1_EN;
 391                 fpga_write(reg, OMAP1510_FPGA_POWER);
 392                 udelay(10);
 393
 394                 reg = fpga_read(OMAP1510_FPGA_POWER);
 395                 reg |= OMAP1510_FPGA_PCR_COM2_EN;
 396                 fpga_write(reg, OMAP1510_FPGA_POWER);
 397                 udelay(10);
 398
 399                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 400                 spi_register_board_info(innovator1510_boardinfo,
 401                                 ARRAY_SIZE(innovator1510_boardinfo));
 402         }
 403 #endif
 404 #ifdef CONFIG_ARCH_OMAP16XX
 405         if (!cpu_is_omap1510()) {
 406                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 407         }
 408 #endif
 409
 410 #ifdef CONFIG_ARCH_OMAP15XX
 411         if (cpu_is_omap1510()) {
 412                 omap_usb_init(&innovator1510_usb_config);
 413                 innovator_config[1].data = &innovator1510_lcd_config;
 414         }
 415 #endif
 416 #ifdef CONFIG_ARCH_OMAP16XX
 417         if (cpu_is_omap1610()) {
 418                 omap_usb_init(&h2_usb_config);
 419                 innovator_config[1].data = &innovator1610_lcd_config;
 420         }
 421 #endif
 422         omap_board_config = innovator_config;
 423         omap_board_config_size = ARRAY_SIZE(innovator_config);
 424         omap_serial_init();
 425         omap_register_i2c_bus(1, 100, NULL, 0);
 426         innovator_mmc_init();
 427 }
 428
 429 static void __init innovator_map_io(void)
 430 {
 431         omap1_map_common_io();
 432
 433 #ifdef CONFIG_ARCH_OMAP15XX
 434         if (cpu_is_omap1510()) {
 435                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 436                 udelay(10);     /* Delay needed for FPGA */
 437
 438                 /* Dump the Innovator FPGA rev early - useful info for support. */
 439                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 440                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 441                        fpga_read(OMAP1510_FPGA_REV_LOW),
 442                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 443         }
 444 #endif
 445 }
 446
 447 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 448         /* Maintainer: MontaVista Software, Inc. */
 449         .phys_io        = 0xfff00000,
 450         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 451         .boot_params    = 0x10000100,
 452         .map_io         = innovator_map_io,
 453         .init_irq       = innovator_init_irq,
 454         .init_machine   = innovator_init,
 455         .timer          = &omap_timer,
 456 MACHINE_END