linux/arch/arm/mach-omap1/board-innovator.c
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   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#include <linux/gpio.h>
  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/mtd/physmap.h>
  26#include <linux/input.h>
  27#include <linux/smc91x.h>
  28#include <linux/omapfb.h>
  29
  30#include <asm/mach-types.h>
  31#include <asm/mach/arch.h>
  32#include <asm/mach/map.h>
  33
  34#include <mach/mux.h>
  35#include <mach/flash.h>
  36#include <mach/tc.h>
  37#include <linux/platform_data/keypad-omap.h>
  38
  39#include <mach/hardware.h>
  40#include <mach/usb.h>
  41
  42#include "iomap.h"
  43#include "common.h"
  44#include "mmc.h"
  45
  46/* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  47#define INNOVATOR1610_ETHR_START        0x04000300
  48
  49static const unsigned int innovator_keymap[] = {
  50        KEY(0, 0, KEY_F1),
  51        KEY(3, 0, KEY_DOWN),
  52        KEY(1, 1, KEY_F2),
  53        KEY(2, 1, KEY_RIGHT),
  54        KEY(0, 2, KEY_F3),
  55        KEY(1, 2, KEY_F4),
  56        KEY(2, 2, KEY_UP),
  57        KEY(2, 3, KEY_ENTER),
  58        KEY(3, 3, KEY_LEFT),
  59};
  60
  61static struct mtd_partition innovator_partitions[] = {
  62        /* bootloader (U-Boot, etc) in first sector */
  63        {
  64              .name             = "bootloader",
  65              .offset           = 0,
  66              .size             = SZ_128K,
  67              .mask_flags       = MTD_WRITEABLE, /* force read-only */
  68        },
  69        /* bootloader params in the next sector */
  70        {
  71              .name             = "params",
  72              .offset           = MTDPART_OFS_APPEND,
  73              .size             = SZ_128K,
  74              .mask_flags       = 0,
  75        },
  76        /* kernel */
  77        {
  78              .name             = "kernel",
  79              .offset           = MTDPART_OFS_APPEND,
  80              .size             = SZ_2M,
  81              .mask_flags       = 0
  82        },
  83        /* rest of flash1 is a file system */
  84        {
  85              .name             = "rootfs",
  86              .offset           = MTDPART_OFS_APPEND,
  87              .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  88              .mask_flags       = 0
  89        },
  90        /* file system */
  91        {
  92              .name             = "filesystem",
  93              .offset           = MTDPART_OFS_APPEND,
  94              .size             = MTDPART_SIZ_FULL,
  95              .mask_flags       = 0
  96        }
  97};
  98
  99static struct physmap_flash_data innovator_flash_data = {
 100        .width          = 2,
 101        .set_vpp        = omap1_set_vpp,
 102        .parts          = innovator_partitions,
 103        .nr_parts       = ARRAY_SIZE(innovator_partitions),
 104};
 105
 106static struct resource innovator_flash_resource = {
 107        .start          = OMAP_CS0_PHYS,
 108        .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 109        .flags          = IORESOURCE_MEM,
 110};
 111
 112static struct platform_device innovator_flash_device = {
 113        .name           = "physmap-flash",
 114        .id             = 0,
 115        .dev            = {
 116                .platform_data  = &innovator_flash_data,
 117        },
 118        .num_resources  = 1,
 119        .resource       = &innovator_flash_resource,
 120};
 121
 122static struct resource innovator_kp_resources[] = {
 123        [0] = {
 124                .start  = INT_KEYBOARD,
 125                .end    = INT_KEYBOARD,
 126                .flags  = IORESOURCE_IRQ,
 127        },
 128};
 129
 130static const struct matrix_keymap_data innovator_keymap_data = {
 131        .keymap         = innovator_keymap,
 132        .keymap_size    = ARRAY_SIZE(innovator_keymap),
 133};
 134
 135static struct omap_kp_platform_data innovator_kp_data = {
 136        .rows           = 8,
 137        .cols           = 8,
 138        .keymap_data    = &innovator_keymap_data,
 139        .delay          = 4,
 140};
 141
 142static struct platform_device innovator_kp_device = {
 143        .name           = "omap-keypad",
 144        .id             = -1,
 145        .dev            = {
 146                .platform_data = &innovator_kp_data,
 147        },
 148        .num_resources  = ARRAY_SIZE(innovator_kp_resources),
 149        .resource       = innovator_kp_resources,
 150};
 151
 152static struct smc91x_platdata innovator_smc91x_info = {
 153        .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 154        .leda   = RPC_LED_100_10,
 155        .ledb   = RPC_LED_TX_RX,
 156};
 157
 158#ifdef CONFIG_ARCH_OMAP15XX
 159
 160#include <linux/spi/spi.h>
 161#include <linux/spi/ads7846.h>
 162
 163
 164/* Only FPGA needs to be mapped here. All others are done with ioremap */
 165static struct map_desc innovator1510_io_desc[] __initdata = {
 166        {
 167                .virtual        = OMAP1510_FPGA_BASE,
 168                .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 169                .length         = OMAP1510_FPGA_SIZE,
 170                .type           = MT_DEVICE
 171        }
 172};
 173
 174static struct resource innovator1510_smc91x_resources[] = {
 175        [0] = {
 176                .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 177                .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 178                .flags  = IORESOURCE_MEM,
 179        },
 180        [1] = {
 181                .start  = OMAP1510_INT_ETHER,
 182                .end    = OMAP1510_INT_ETHER,
 183                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 184        },
 185};
 186
 187static struct platform_device innovator1510_smc91x_device = {
 188        .name           = "smc91x",
 189        .id             = 0,
 190        .dev    = {
 191                .platform_data  = &innovator_smc91x_info,
 192        },
 193        .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 194        .resource       = innovator1510_smc91x_resources,
 195};
 196
 197static struct platform_device innovator1510_lcd_device = {
 198        .name           = "lcd_inn1510",
 199        .id             = -1,
 200};
 201
 202static struct platform_device innovator1510_spi_device = {
 203        .name           = "spi_inn1510",
 204        .id             = -1,
 205};
 206
 207static struct platform_device *innovator1510_devices[] __initdata = {
 208        &innovator_flash_device,
 209        &innovator1510_smc91x_device,
 210        &innovator_kp_device,
 211        &innovator1510_lcd_device,
 212        &innovator1510_spi_device,
 213};
 214
 215static int innovator_get_pendown_state(void)
 216{
 217        return !(__raw_readb(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
 218}
 219
 220static const struct ads7846_platform_data innovator1510_ts_info = {
 221        .model                  = 7846,
 222        .vref_delay_usecs       = 100,  /* internal, no capacitor */
 223        .x_plate_ohms           = 419,
 224        .y_plate_ohms           = 486,
 225        .get_pendown_state      = innovator_get_pendown_state,
 226};
 227
 228static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
 229        /* FPGA (bus "10") CS0 has an ads7846e */
 230        .modalias               = "ads7846",
 231        .platform_data          = &innovator1510_ts_info,
 232        .irq                    = OMAP1510_INT_FPGA_TS,
 233        .max_speed_hz           = 120000 /* max sample rate at 3V */
 234                                        * 26 /* command + data + overhead */,
 235        .bus_num                = 10,
 236        .chip_select            = 0,
 237} };
 238
 239#endif /* CONFIG_ARCH_OMAP15XX */
 240
 241#ifdef CONFIG_ARCH_OMAP16XX
 242
 243static struct resource innovator1610_smc91x_resources[] = {
 244        [0] = {
 245                .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 246                .end    = INNOVATOR1610_ETHR_START + 0xf,
 247                .flags  = IORESOURCE_MEM,
 248        },
 249        [1] = {
 250                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 251        },
 252};
 253
 254static struct platform_device innovator1610_smc91x_device = {
 255        .name           = "smc91x",
 256        .id             = 0,
 257        .dev    = {
 258                .platform_data  = &innovator_smc91x_info,
 259        },
 260        .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 261        .resource       = innovator1610_smc91x_resources,
 262};
 263
 264static struct platform_device innovator1610_lcd_device = {
 265        .name           = "inn1610_lcd",
 266        .id             = -1,
 267};
 268
 269static struct platform_device *innovator1610_devices[] __initdata = {
 270        &innovator_flash_device,
 271        &innovator1610_smc91x_device,
 272        &innovator_kp_device,
 273        &innovator1610_lcd_device,
 274};
 275
 276#endif /* CONFIG_ARCH_OMAP16XX */
 277
 278static void __init innovator_init_smc91x(void)
 279{
 280        if (cpu_is_omap1510()) {
 281                __raw_writeb(__raw_readb(OMAP1510_FPGA_RST) & ~1,
 282                           OMAP1510_FPGA_RST);
 283                udelay(750);
 284        } else {
 285                if (gpio_request(0, "SMC91x irq") < 0) {
 286                        printk("Error requesting gpio 0 for smc91x irq\n");
 287                        return;
 288                }
 289        }
 290}
 291
 292#ifdef CONFIG_ARCH_OMAP15XX
 293static struct omap_usb_config innovator1510_usb_config __initdata = {
 294        /* for bundled non-standard host and peripheral cables */
 295        .hmc_mode       = 4,
 296
 297        .register_host  = 1,
 298        .pins[1]        = 6,
 299        .pins[2]        = 6,            /* Conflicts with UART2 */
 300
 301        .register_dev   = 1,
 302        .pins[0]        = 2,
 303};
 304
 305static struct omap_lcd_config innovator1510_lcd_config __initdata = {
 306        .ctrl_name      = "internal",
 307};
 308#endif
 309
 310#ifdef CONFIG_ARCH_OMAP16XX
 311static struct omap_usb_config h2_usb_config __initdata = {
 312        /* usb1 has a Mini-AB port and external isp1301 transceiver */
 313        .otg            = 2,
 314
 315#ifdef  CONFIG_USB_GADGET_OMAP
 316        .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 317        /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 318#elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 319        /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 320        .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 321#endif
 322
 323        .pins[1]        = 3,
 324};
 325
 326static struct omap_lcd_config innovator1610_lcd_config __initdata = {
 327        .ctrl_name      = "internal",
 328};
 329#endif
 330
 331#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
 332
 333static int mmc_set_power(struct device *dev, int slot, int power_on,
 334                                int vdd)
 335{
 336        if (power_on)
 337                __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) | (1 << 3),
 338                                OMAP1510_FPGA_POWER);
 339        else
 340                __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) & ~(1 << 3),
 341                                OMAP1510_FPGA_POWER);
 342
 343        return 0;
 344}
 345
 346/*
 347 * Innovator could use the following functions tested:
 348 * - mmc_get_wp that uses OMAP_MPUIO(3)
 349 * - mmc_get_cover_state that uses FPGA F4 UIO43
 350 */
 351static struct omap_mmc_platform_data mmc1_data = {
 352        .nr_slots                       = 1,
 353        .slots[0]       = {
 354                .set_power              = mmc_set_power,
 355                .wires                  = 4,
 356                .name                   = "mmcblk",
 357        },
 358};
 359
 360static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
 361
 362static void __init innovator_mmc_init(void)
 363{
 364        mmc_data[0] = &mmc1_data;
 365        omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
 366}
 367
 368#else
 369static inline void innovator_mmc_init(void)
 370{
 371}
 372#endif
 373
 374static void __init innovator_init(void)
 375{
 376        if (cpu_is_omap1510())
 377                omap1510_fpga_init_irq();
 378        innovator_init_smc91x();
 379
 380#ifdef CONFIG_ARCH_OMAP15XX
 381        if (cpu_is_omap1510()) {
 382                unsigned char reg;
 383
 384                /* mux pins for uarts */
 385                omap_cfg_reg(UART1_TX);
 386                omap_cfg_reg(UART1_RTS);
 387                omap_cfg_reg(UART2_TX);
 388                omap_cfg_reg(UART2_RTS);
 389                omap_cfg_reg(UART3_TX);
 390                omap_cfg_reg(UART3_RX);
 391
 392                reg = __raw_readb(OMAP1510_FPGA_POWER);
 393                reg |= OMAP1510_FPGA_PCR_COM1_EN;
 394                __raw_writeb(reg, OMAP1510_FPGA_POWER);
 395                udelay(10);
 396
 397                reg = __raw_readb(OMAP1510_FPGA_POWER);
 398                reg |= OMAP1510_FPGA_PCR_COM2_EN;
 399                __raw_writeb(reg, OMAP1510_FPGA_POWER);
 400                udelay(10);
 401
 402                platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 403                spi_register_board_info(innovator1510_boardinfo,
 404                                ARRAY_SIZE(innovator1510_boardinfo));
 405        }
 406#endif
 407#ifdef CONFIG_ARCH_OMAP16XX
 408        if (!cpu_is_omap1510()) {
 409                innovator1610_smc91x_resources[1].start = gpio_to_irq(0);
 410                innovator1610_smc91x_resources[1].end = gpio_to_irq(0);
 411                platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 412        }
 413#endif
 414
 415#ifdef CONFIG_ARCH_OMAP15XX
 416        if (cpu_is_omap1510()) {
 417                omap1_usb_init(&innovator1510_usb_config);
 418                omapfb_set_lcd_config(&innovator1510_lcd_config);
 419        }
 420#endif
 421#ifdef CONFIG_ARCH_OMAP16XX
 422        if (cpu_is_omap1610()) {
 423                omap1_usb_init(&h2_usb_config);
 424                omapfb_set_lcd_config(&innovator1610_lcd_config);
 425        }
 426#endif
 427        omap_serial_init();
 428        omap_register_i2c_bus(1, 100, NULL, 0);
 429        innovator_mmc_init();
 430}
 431
 432/*
 433 * REVISIT: Assume 15xx for now, we don't want to do revision check
 434 * until later on. The right way to fix this is to set up a different
 435 * machine_id for 16xx Innovator, or use device tree.
 436 */
 437static void __init innovator_map_io(void)
 438{
 439#ifdef CONFIG_ARCH_OMAP15XX
 440        omap15xx_map_io();
 441
 442        iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 443        udelay(10);     /* Delay needed for FPGA */
 444
 445        /* Dump the Innovator FPGA rev early - useful info for support. */
 446        pr_debug("Innovator FPGA Rev %d.%d Board Rev %d\n",
 447                        __raw_readb(OMAP1510_FPGA_REV_HIGH),
 448                        __raw_readb(OMAP1510_FPGA_REV_LOW),
 449                        __raw_readb(OMAP1510_FPGA_BOARD_REV));
 450#endif
 451}
 452
 453MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 454        /* Maintainer: MontaVista Software, Inc. */
 455        .atag_offset    = 0x100,
 456        .map_io         = innovator_map_io,
 457        .init_early     = omap1_init_early,
 458        .init_irq       = omap1_init_irq,
 459        .init_machine   = innovator_init,
 460        .init_late      = omap1_init_late,
 461        .init_time      = omap1_timer_init,
 462        .restart        = omap1_restart,
 463MACHINE_END
 464