git.oblomov.eu Git - linux-2.6/blob - 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 static int innovator_keymap[] = {
  43         KEY(0, 0, KEY_F1),
  44         KEY(0, 3, KEY_DOWN),
  45         KEY(1, 1, KEY_F2),
  46         KEY(1, 2, KEY_RIGHT),
  47         KEY(2, 0, KEY_F3),
  48         KEY(2, 1, KEY_F4),
  49         KEY(2, 2, KEY_UP),
  50         KEY(3, 2, KEY_ENTER),
  51         KEY(3, 3, KEY_LEFT),
  52         0
  53 };
  54
  55 static struct mtd_partition innovator_partitions[] = {
  56         /* bootloader (U-Boot, etc) in first sector */
  57         {
  58               .name             = "bootloader",
  59               .offset           = 0,
  60               .size             = SZ_128K,
  61               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  62         },
  63         /* bootloader params in the next sector */
  64         {
  65               .name             = "params",
  66               .offset           = MTDPART_OFS_APPEND,
  67               .size             = SZ_128K,
  68               .mask_flags       = 0,
  69         },
  70         /* kernel */
  71         {
  72               .name             = "kernel",
  73               .offset           = MTDPART_OFS_APPEND,
  74               .size             = SZ_2M,
  75               .mask_flags       = 0
  76         },
  77         /* rest of flash1 is a file system */
  78         {
  79               .name             = "rootfs",
  80               .offset           = MTDPART_OFS_APPEND,
  81               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  82               .mask_flags       = 0
  83         },
  84         /* file system */
  85         {
  86               .name             = "filesystem",
  87               .offset           = MTDPART_OFS_APPEND,
  88               .size             = MTDPART_SIZ_FULL,
  89               .mask_flags       = 0
  90         }
  91 };
  92
  93 static struct flash_platform_data innovator_flash_data = {
  94         .map_name       = "cfi_probe",
  95         .width          = 2,
  96         .parts          = innovator_partitions,
  97         .nr_parts       = ARRAY_SIZE(innovator_partitions),
  98 };
  99
 100 static struct resource innovator_flash_resource = {
 101         .start          = OMAP_CS0_PHYS,
 102         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 103         .flags          = IORESOURCE_MEM,
 104 };
 105
 106 static struct platform_device innovator_flash_device = {
 107         .name           = "omapflash",
 108         .id             = 0,
 109         .dev            = {
 110                 .platform_data  = &innovator_flash_data,
 111         },
 112         .num_resources  = 1,
 113         .resource       = &innovator_flash_resource,
 114 };
 115
 116 static struct resource innovator_kp_resources[] = {
 117         [0] = {
 118                 .start  = INT_KEYBOARD,
 119                 .end    = INT_KEYBOARD,
 120                 .flags  = IORESOURCE_IRQ,
 121         },
 122 };
 123
 124 static struct omap_kp_platform_data innovator_kp_data = {
 125         .rows           = 8,
 126         .cols           = 8,
 127         .keymap         = innovator_keymap,
 128         .keymapsize     = ARRAY_SIZE(innovator_keymap),
 129         .delay          = 4,
 130 };
 131
 132 static struct platform_device innovator_kp_device = {
 133         .name           = "omap-keypad",
 134         .id             = -1,
 135         .dev            = {
 136                 .platform_data = &innovator_kp_data,
 137         },
 138         .num_resources  = ARRAY_SIZE(innovator_kp_resources),
 139         .resource       = innovator_kp_resources,
 140 };
 141
 142
 143 #ifdef CONFIG_ARCH_OMAP15XX
 144
 145 #include <linux/spi/spi.h>
 146 #include <linux/spi/ads7846.h>
 147
 148
 149 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 150 static struct map_desc innovator1510_io_desc[] __initdata = {
 151         {
 152                 .virtual        = OMAP1510_FPGA_BASE,
 153                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 154                 .length         = OMAP1510_FPGA_SIZE,
 155                 .type           = MT_DEVICE
 156         }
 157 };
 158
 159 static struct resource innovator1510_smc91x_resources[] = {
 160         [0] = {
 161                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 162                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 163                 .flags  = IORESOURCE_MEM,
 164         },
 165         [1] = {
 166                 .start  = OMAP1510_INT_ETHER,
 167                 .end    = OMAP1510_INT_ETHER,
 168                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 169         },
 170 };
 171
 172 static struct platform_device innovator1510_smc91x_device = {
 173         .name           = "smc91x",
 174         .id             = 0,
 175         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 176         .resource       = innovator1510_smc91x_resources,
 177 };
 178
 179 static struct platform_device innovator1510_lcd_device = {
 180         .name           = "lcd_inn1510",
 181         .id             = -1,
 182 };
 183
 184 static struct platform_device innovator1510_spi_device = {
 185         .name           = "spi_inn1510",
 186         .id             = -1,
 187 };
 188
 189 static struct platform_device *innovator1510_devices[] __initdata = {
 190         &innovator_flash_device,
 191         &innovator1510_smc91x_device,
 192         &innovator_kp_device,
 193         &innovator1510_lcd_device,
 194         &innovator1510_spi_device,
 195 };
 196
 197 static int innovator_get_pendown_state(void)
 198 {
 199         return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
 200 }
 201
 202 static const struct ads7846_platform_data innovator1510_ts_info = {
 203         .model                  = 7846,
 204         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 205         .x_plate_ohms           = 419,
 206         .y_plate_ohms           = 486,
 207         .get_pendown_state      = innovator_get_pendown_state,
 208 };
 209
 210 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
 211         /* FPGA (bus "10") CS0 has an ads7846e */
 212         .modalias               = "ads7846",
 213         .platform_data          = &innovator1510_ts_info,
 214         .irq                    = OMAP1510_INT_FPGA_TS,
 215         .max_speed_hz           = 120000 /* max sample rate at 3V */
 216                                         * 26 /* command + data + overhead */,
 217         .bus_num                = 10,
 218         .chip_select            = 0,
 219 } };
 220
 221 #endif /* CONFIG_ARCH_OMAP15XX */
 222
 223 #ifdef CONFIG_ARCH_OMAP16XX
 224
 225 static struct resource innovator1610_smc91x_resources[] = {
 226         [0] = {
 227                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 228                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 229                 .flags  = IORESOURCE_MEM,
 230         },
 231         [1] = {
 232                 .start  = OMAP_GPIO_IRQ(0),
 233                 .end    = OMAP_GPIO_IRQ(0),
 234                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 235         },
 236 };
 237
 238 static struct platform_device innovator1610_smc91x_device = {
 239         .name           = "smc91x",
 240         .id             = 0,
 241         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 242         .resource       = innovator1610_smc91x_resources,
 243 };
 244
 245 static struct platform_device innovator1610_lcd_device = {
 246         .name           = "inn1610_lcd",
 247         .id             = -1,
 248 };
 249
 250 static struct platform_device *innovator1610_devices[] __initdata = {
 251         &innovator_flash_device,
 252         &innovator1610_smc91x_device,
 253         &innovator_kp_device,
 254         &innovator1610_lcd_device,
 255 };
 256
 257 #endif /* CONFIG_ARCH_OMAP16XX */
 258
 259 static void __init innovator_init_smc91x(void)
 260 {
 261         if (cpu_is_omap1510()) {
 262                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 263                            OMAP1510_FPGA_RST);
 264                 udelay(750);
 265         } else {
 266                 if (gpio_request(0, "SMC91x irq") < 0) {
 267                         printk("Error requesting gpio 0 for smc91x irq\n");
 268                         return;
 269                 }
 270         }
 271 }
 272
 273 static void __init innovator_init_irq(void)
 274 {
 275         omap1_init_common_hw();
 276         omap_init_irq();
 277         omap_gpio_init();
 278 #ifdef CONFIG_ARCH_OMAP15XX
 279         if (cpu_is_omap1510()) {
 280                 omap1510_fpga_init_irq();
 281         }
 282 #endif
 283         innovator_init_smc91x();
 284 }
 285
 286 #ifdef CONFIG_ARCH_OMAP15XX
 287 static struct omap_usb_config innovator1510_usb_config __initdata = {
 288         /* for bundled non-standard host and peripheral cables */
 289         .hmc_mode       = 4,
 290
 291         .register_host  = 1,
 292         .pins[1]        = 6,
 293         .pins[2]        = 6,            /* Conflicts with UART2 */
 294
 295         .register_dev   = 1,
 296         .pins[0]        = 2,
 297 };
 298
 299 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
 300         .ctrl_name      = "internal",
 301 };
 302 #endif
 303
 304 #ifdef CONFIG_ARCH_OMAP16XX
 305 static struct omap_usb_config h2_usb_config __initdata = {
 306         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 307         .otg            = 2,
 308
 309 #ifdef  CONFIG_USB_GADGET_OMAP
 310         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 311         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 312 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 313         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 314         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 315 #endif
 316
 317         .pins[1]        = 3,
 318 };
 319
 320 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
 321         .ctrl_name      = "internal",
 322 };
 323 #endif
 324
 325 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
 326
 327 static int mmc_set_power(struct device *dev, int slot, int power_on,
 328                                 int vdd)
 329 {
 330         if (power_on)
 331                 fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3),
 332                                 OMAP1510_FPGA_POWER);
 333         else
 334                 fpga_write(fpga_read(OMAP1510_FPGA_POWER) & ~(1 << 3),
 335                                 OMAP1510_FPGA_POWER);
 336
 337         return 0;
 338 }
 339
 340 /*
 341  * Innovator could use the following functions tested:
 342  * - mmc_get_wp that uses OMAP_MPUIO(3)
 343  * - mmc_get_cover_state that uses FPGA F4 UIO43
 344  */
 345 static struct omap_mmc_platform_data mmc1_data = {
 346         .nr_slots                       = 1,
 347         .slots[0]       = {
 348                 .set_power              = mmc_set_power,
 349                 .wires                  = 4,
 350                 .name                   = "mmcblk",
 351         },
 352 };
 353
 354 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
 355
 356 void __init innovator_mmc_init(void)
 357 {
 358         mmc_data[0] = &mmc1_data;
 359         omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
 360 }
 361
 362 #else
 363 static inline void innovator_mmc_init(void)
 364 {
 365 }
 366 #endif
 367
 368 static struct omap_uart_config innovator_uart_config __initdata = {
 369         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 370 };
 371
 372 static struct omap_board_config_kernel innovator_config[] = {
 373         { OMAP_TAG_USB,         NULL },
 374         { OMAP_TAG_LCD,         NULL },
 375         { OMAP_TAG_UART,        &innovator_uart_config },
 376 };
 377
 378 static void __init innovator_init(void)
 379 {
 380 #ifdef CONFIG_ARCH_OMAP15XX
 381         if (cpu_is_omap1510()) {
 382                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 383                 spi_register_board_info(innovator1510_boardinfo,
 384                                 ARRAY_SIZE(innovator1510_boardinfo));
 385         }
 386 #endif
 387 #ifdef CONFIG_ARCH_OMAP16XX
 388         if (!cpu_is_omap1510()) {
 389                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 390         }
 391 #endif
 392
 393 #ifdef CONFIG_ARCH_OMAP15XX
 394         if (cpu_is_omap1510()) {
 395                 innovator_config[0].data = &innovator1510_usb_config;
 396                 innovator_config[1].data = &innovator1510_lcd_config;
 397         }
 398 #endif
 399 #ifdef CONFIG_ARCH_OMAP16XX
 400         if (cpu_is_omap1610()) {
 401                 innovator_config[0].data = &h2_usb_config;
 402                 innovator_config[1].data = &innovator1610_lcd_config;
 403         }
 404 #endif
 405         omap_board_config = innovator_config;
 406         omap_board_config_size = ARRAY_SIZE(innovator_config);
 407         omap_serial_init();
 408         omap_register_i2c_bus(1, 100, NULL, 0);
 409         innovator_mmc_init();
 410 }
 411
 412 static void __init innovator_map_io(void)
 413 {
 414         omap1_map_common_io();
 415
 416 #ifdef CONFIG_ARCH_OMAP15XX
 417         if (cpu_is_omap1510()) {
 418                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 419                 udelay(10);     /* Delay needed for FPGA */
 420
 421                 /* Dump the Innovator FPGA rev early - useful info for support. */
 422                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 423                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 424                        fpga_read(OMAP1510_FPGA_REV_LOW),
 425                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 426         }
 427 #endif
 428 }
 429
 430 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 431         /* Maintainer: MontaVista Software, Inc. */
 432         .phys_io        = 0xfff00000,
 433         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 434         .boot_params    = 0x10000100,
 435         .map_io         = innovator_map_io,
 436         .init_irq       = innovator_init_irq,
 437         .init_machine   = innovator_init,
 438         .timer          = &omap_timer,
 439 MACHINE_END