arch/arm/mach-omap2/board-h4.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-h4.c
   3  *
   4  * Copyright (C) 2005 Nokia Corporation
   5  * Author: Paul Mundt <paul.mundt@nokia.com>
   6  *
   7  * Modified from mach-omap/omap1/board-generic.c
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/mtd/mtd.h>
  18 #include <linux/mtd/partitions.h>
  19 #include <linux/delay.h>
  20 #include <linux/workqueue.h>
  21 #include <linux/input.h>
  22 #include <linux/err.h>
  23 #include <linux/clk.h>
  24 #include <linux/i2c.h>
  25 #include <linux/spi/spi.h>
  26 #include <linux/spi/tsc210x.h>
  27
  28 #include <media/v4l2-int-device.h>
  29
  30 #include <asm/hardware.h>
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/map.h>
  34 #include <asm/mach/flash.h>
  35
  36 #include <asm/arch/control.h>
  37 #include <asm/arch/gpio.h>
  38 #include <asm/arch/gpioexpander.h>
  39 #include <asm/arch/mux.h>
  40 #include <asm/arch/usb.h>
  41 #include <asm/arch/irda.h>
  42 #include <asm/arch/board.h>
  43 #include <asm/arch/common.h>
  44 #include <asm/arch/keypad.h>
  45 #include <asm/arch/menelaus.h>
  46 #include <asm/arch/dma.h>
  47 #include <asm/arch/gpmc.h>
  48
  49 #include <asm/io.h>
  50
  51 #include <../drivers/media/video/ov9640.h>
  52
  53 #define H4_FLASH_CS     0
  54 #define H4_SMC91X_CS    1
  55
  56 static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 };
  57 static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 };
  58
  59 static int h4_keymap[] = {
  60         KEY(0, 0, KEY_LEFT),
  61         KEY(0, 1, KEY_RIGHT),
  62         KEY(0, 2, KEY_A),
  63         KEY(0, 3, KEY_B),
  64         KEY(0, 4, KEY_C),
  65         KEY(1, 0, KEY_DOWN),
  66         KEY(1, 1, KEY_UP),
  67         KEY(1, 2, KEY_E),
  68         KEY(1, 3, KEY_F),
  69         KEY(1, 4, KEY_G),
  70         KEY(2, 0, KEY_ENTER),
  71         KEY(2, 1, KEY_I),
  72         KEY(2, 2, KEY_J),
  73         KEY(2, 3, KEY_K),
  74         KEY(2, 4, KEY_3),
  75         KEY(3, 0, KEY_M),
  76         KEY(3, 1, KEY_N),
  77         KEY(3, 2, KEY_O),
  78         KEY(3, 3, KEY_P),
  79         KEY(3, 4, KEY_Q),
  80         KEY(4, 0, KEY_R),
  81         KEY(4, 1, KEY_4),
  82         KEY(4, 2, KEY_T),
  83         KEY(4, 3, KEY_U),
  84         KEY(4, 4, KEY_ENTER),
  85         KEY(5, 0, KEY_V),
  86         KEY(5, 1, KEY_W),
  87         KEY(5, 2, KEY_L),
  88         KEY(5, 3, KEY_S),
  89         KEY(5, 4, KEY_ENTER),
  90         0
  91 };
  92
  93 static struct mtd_partition h4_partitions[] = {
  94         /* bootloader (U-Boot, etc) in first sector */
  95         {
  96               .name             = "bootloader",
  97               .offset           = 0,
  98               .size             = SZ_128K,
  99               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 100         },
 101         /* bootloader params in the next sector */
 102         {
 103               .name             = "params",
 104               .offset           = MTDPART_OFS_APPEND,
 105               .size             = SZ_128K,
 106               .mask_flags       = 0,
 107         },
 108         /* kernel */
 109         {
 110               .name             = "kernel",
 111               .offset           = MTDPART_OFS_APPEND,
 112               .size             = SZ_2M,
 113               .mask_flags       = 0
 114         },
 115         /* file system */
 116         {
 117               .name             = "filesystem",
 118               .offset           = MTDPART_OFS_APPEND,
 119               .size             = MTDPART_SIZ_FULL,
 120               .mask_flags       = 0
 121         }
 122 };
 123
 124 static struct flash_platform_data h4_flash_data = {
 125         .map_name       = "cfi_probe",
 126         .width          = 2,
 127         .parts          = h4_partitions,
 128         .nr_parts       = ARRAY_SIZE(h4_partitions),
 129 };
 130
 131 static struct resource h4_flash_resource = {
 132         .flags          = IORESOURCE_MEM,
 133 };
 134
 135 static struct platform_device h4_flash_device = {
 136         .name           = "omapflash",
 137         .id             = 0,
 138         .dev            = {
 139                 .platform_data  = &h4_flash_data,
 140         },
 141         .num_resources  = 1,
 142         .resource       = &h4_flash_resource,
 143 };
 144
 145 /* Select between the IrDA and aGPS module
 146  */
 147 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 148 static int h4_select_irda(struct device *dev, int state)
 149 {
 150         unsigned char expa;
 151         int err = 0;
 152
 153         if ((err = read_gpio_expa(&expa, 0x21))) {
 154                 printk(KERN_ERR "Error reading from I/O expander\n");
 155                 return err;
 156         }
 157
 158         /* 'P6' enable/disable IRDA_TX and IRDA_RX */
 159         if (state & IR_SEL) {   /* IrDa */
 160                 if ((err = write_gpio_expa(expa | 0x01, 0x21))) {
 161                         printk(KERN_ERR "Error writing to I/O expander\n");
 162                         return err;
 163                 }
 164         } else {
 165                 if ((err = write_gpio_expa(expa & ~0x01, 0x21))) {
 166                         printk(KERN_ERR "Error writing to I/O expander\n");
 167                         return err;
 168                 }
 169         }
 170         return err;
 171 }
 172
 173 static void set_trans_mode(struct work_struct *work)
 174 {
 175         struct omap_irda_config *irda_config =
 176                 container_of(work, struct omap_irda_config, gpio_expa.work);
 177         int mode = irda_config->mode;
 178         unsigned char expa;
 179         int err = 0;
 180
 181         if ((err = read_gpio_expa(&expa, 0x20)) != 0) {
 182                 printk(KERN_ERR "Error reading from I/O expander\n");
 183         }
 184
 185         expa &= ~0x01;
 186
 187         if (!(mode & IR_SIRMODE)) { /* MIR/FIR */
 188                 expa |= 0x01;
 189         }
 190
 191         if ((err = write_gpio_expa(expa, 0x20)) != 0) {
 192                 printk(KERN_ERR "Error writing to I/O expander\n");
 193         }
 194 }
 195
 196 static int h4_transceiver_mode(struct device *dev, int mode)
 197 {
 198         struct omap_irda_config *irda_config = dev->platform_data;
 199
 200         irda_config->mode = mode;
 201         cancel_delayed_work(&irda_config->gpio_expa);
 202         PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
 203         schedule_delayed_work(&irda_config->gpio_expa, 0);
 204
 205         return 0;
 206 }
 207 #else
 208 static int h4_select_irda(struct device *dev, int state) { return 0; }
 209 static int h4_transceiver_mode(struct device *dev, int mode) { return 0; }
 210 #endif
 211
 212 static struct omap_irda_config h4_irda_data = {
 213         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 214         .transceiver_mode       = h4_transceiver_mode,
 215         .select_irda            = h4_select_irda,
 216         .rx_channel             = OMAP24XX_DMA_UART3_RX,
 217         .tx_channel             = OMAP24XX_DMA_UART3_TX,
 218         .dest_start             = OMAP_UART3_BASE,
 219         .src_start              = OMAP_UART3_BASE,
 220         .tx_trigger             = OMAP24XX_DMA_UART3_TX,
 221         .rx_trigger             = OMAP24XX_DMA_UART3_RX,
 222 };
 223
 224 static struct resource h4_irda_resources[] = {
 225         [0] = {
 226                 .start  = INT_24XX_UART3_IRQ,
 227                 .end    = INT_24XX_UART3_IRQ,
 228                 .flags  = IORESOURCE_IRQ,
 229         },
 230 };
 231
 232 static struct platform_device h4_irda_device = {
 233         .name           = "omapirda",
 234         .id             = -1,
 235         .dev            = {
 236                 .platform_data  = &h4_irda_data,
 237         },
 238         .num_resources  = 1,
 239         .resource       = h4_irda_resources,
 240 };
 241
 242 static struct omap_kp_platform_data h4_kp_data = {
 243         .rows           = 6,
 244         .cols           = 7,
 245         .keymap         = h4_keymap,
 246         .keymapsize     = ARRAY_SIZE(h4_keymap),
 247         .rep            = 1,
 248         .row_gpios      = row_gpios,
 249         .col_gpios      = col_gpios,
 250 };
 251
 252 static struct platform_device h4_kp_device = {
 253         .name           = "omap-keypad",
 254         .id             = -1,
 255         .dev            = {
 256                 .platform_data = &h4_kp_data,
 257         },
 258 };
 259
 260 static struct platform_device h4_lcd_device = {
 261         .name           = "lcd_h4",
 262         .id             = -1,
 263 };
 264
 265 static struct platform_device *h4_devices[] __initdata = {
 266         &h4_flash_device,
 267         &h4_irda_device,
 268         &h4_kp_device,
 269         &h4_lcd_device,
 270 };
 271
 272 /* 2420 Sysboot setup (2430 is different) */
 273 static u32 get_sysboot_value(void)
 274 {
 275         return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) &
 276                 (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK |
 277                  OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK |
 278                  OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK));
 279 }
 280
 281 /* FIXME: This function should be moved to some other file, gpmc.c? */
 282
 283 /* H4-2420's always used muxed mode, H4-2422's always use non-muxed
 284  *
 285  * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423
 286  *  correctly.  The macro needs to look at production_id not just hawkeye.
 287  */
 288 static u32 is_gpmc_muxed(void)
 289 {
 290         u32 mux;
 291         mux = get_sysboot_value();
 292         if ((mux & 0xF) == 0xd)
 293                 return 1;       /* NAND config (could be either) */
 294         if (mux & 0x2)          /* if mux'ed */
 295                 return 1;
 296         else
 297                 return 0;
 298 }
 299
 300 static inline void __init h4_init_debug(void)
 301 {
 302         int eth_cs;
 303         unsigned long cs_mem_base;
 304         unsigned int muxed, rate;
 305         struct clk *gpmc_fck;
 306
 307         eth_cs  = H4_SMC91X_CS;
 308
 309         gpmc_fck = clk_get(NULL, "gpmc_fck");   /* Always on ENABLE_ON_INIT */
 310         if (IS_ERR(gpmc_fck)) {
 311                 WARN_ON(1);
 312                 return;
 313         }
 314
 315         clk_enable(gpmc_fck);
 316         rate = clk_get_rate(gpmc_fck);
 317         clk_disable(gpmc_fck);
 318         clk_put(gpmc_fck);
 319
 320         if (is_gpmc_muxed())
 321                 muxed = 0x200;
 322         else
 323                 muxed = 0;
 324
 325         /* Make sure CS1 timings are correct */
 326         gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1,
 327                           0x00011000 | muxed);
 328
 329         if (rate >= 160000000) {
 330                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
 331                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
 332                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
 333                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
 334                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
 335         } else if (rate >= 130000000) {
 336                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
 337                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
 338                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
 339                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
 340                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
 341         } else {/* rate = 100000000 */
 342                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
 343                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
 344                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
 345                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
 346                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
 347         }
 348
 349         if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
 350                 printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
 351                 goto out;
 352         }
 353
 354         udelay(100);
 355
 356         omap_cfg_reg(M15_24XX_GPIO92);
 357         if (debug_card_init(cs_mem_base, OMAP24XX_ETHR_GPIO_IRQ) < 0)
 358                 gpmc_cs_free(eth_cs);
 359
 360 out:
 361         clk_disable(gpmc_fck);
 362         clk_put(gpmc_fck);
 363 }
 364
 365 static void __init h4_init_flash(void)
 366 {
 367         unsigned long base;
 368
 369         if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) {
 370                 printk("Can't request GPMC CS for flash\n");
 371                 return;
 372         }
 373         h4_flash_resource.start = base;
 374         h4_flash_resource.end   = base + SZ_64M - 1;
 375 }
 376
 377 static void __init omap_h4_init_irq(void)
 378 {
 379         omap2_init_common_hw();
 380         omap_init_irq();
 381         omap_gpio_init();
 382         h4_init_flash();
 383 }
 384
 385 static struct omap_uart_config h4_uart_config __initdata = {
 386 #ifdef  CONFIG_MACH_OMAP2_H4_USB1
 387         .enabled_uarts = ((1 << 0) | (1 << 1)),
 388 #else
 389         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 390 #endif
 391 };
 392
 393 static struct omap_mmc_config h4_mmc_config __initdata = {
 394         .mmc [0] = {
 395                 .enabled        = 1,
 396                 .wire4          = 1,
 397         },
 398         .mmc [1] = {
 399                 .enabled        = 1,
 400                 .wire4          = 1,
 401         },
 402 };
 403
 404 extern struct omap_mmc_platform_data h4_mmc_data;
 405
 406 static struct omap_lcd_config h4_lcd_config __initdata = {
 407         .ctrl_name      = "internal",
 408 };
 409
 410 static struct omap_usb_config h4_usb_config __initdata = {
 411 #ifdef  CONFIG_MACH_OMAP2_H4_USB1
 412         /* NOTE:  usb1 could also be used with 3 wire signaling */
 413         .pins[1]        = 4,
 414 #endif
 415
 416 #ifdef  CONFIG_MACH_OMAP_H4_OTG
 417         /* S1.10 ON -- USB OTG port
 418          * usb0 switched to Mini-AB port and isp1301 transceiver;
 419          * S2.POS3 = OFF, S2.POS4 = ON ... to allow battery charging
 420          */
 421         .otg            = 1,
 422         .pins[0]        = 4,
 423 #ifdef  CONFIG_USB_GADGET_OMAP
 424         /* use OTG cable, or standard A-to-MiniB */
 425         .hmc_mode       = 0x14, /* 0:dev/otg 1:host 2:disable */
 426 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 427         /* use OTG cable, or NONSTANDARD (B-to-MiniB) */
 428         .hmc_mode       = 0x11, /* 0:host 1:host 2:disable */
 429 #endif  /* XX */
 430
 431 #else
 432         /* S1.10 OFF -- usb "download port"
 433          * usb0 switched to Mini-B port and isp1105 transceiver;
 434          * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging
 435          */
 436         .register_dev   = 1,
 437         .pins[0]        = 3,
 438 /*      .hmc_mode       = 0x14,*/       /* 0:dev 1:host 2:disable */
 439         .hmc_mode       = 0x00,         /* 0:dev|otg 1:disable 2:disable */
 440 #endif
 441 };
 442
 443 /* ----------------------------------------------------------------------- */
 444
 445 static struct tsc210x_config tsc_platform_data = {
 446         .use_internal           = 1,
 447         .monitor                = TSC_VBAT | TSC_TEMP,
 448         /* REVISIT temp calibration data -- board-specific; from EEPROM? */
 449         .mclk                   = "sys_clkout",
 450 };
 451
 452 static struct spi_board_info h4_spi_board_info[] __initdata = {
 453         {
 454                 .modalias       = "tsc2101",
 455                 .bus_num        = 1,
 456                 .chip_select    = 0,
 457                 .mode           = SPI_MODE_1,
 458                 .irq            = OMAP_GPIO_IRQ(93),
 459                 .max_speed_hz   = 16000000,
 460                 .platform_data  = &tsc_platform_data,
 461         },
 462
 463         /* nCS1 -- to lcd board, but unused
 464          * nCS2 -- to WLAN/miniPCI
 465          */
 466 };
 467
 468 /* ----------------------------------------------------------------------- */
 469
 470 static struct omap_board_config_kernel h4_config[] __initdata = {
 471         { OMAP_TAG_UART,        &h4_uart_config },
 472         { OMAP_TAG_MMC,         &h4_mmc_config },
 473         { OMAP_TAG_LCD,         &h4_lcd_config },
 474         { OMAP_TAG_USB,         &h4_usb_config },
 475 };
 476
 477 #ifdef  CONFIG_MACH_OMAP_H4_TUSB
 478
 479 #include <linux/usb/musb.h>
 480
 481 static struct musb_hdrc_platform_data tusb_data = {
 482         .mode           = MUSB_OTG,
 483         .min_power      = 25,   /* x2 = 50 mA drawn from VBUS as peripheral */
 484
 485         /* 1.8V supplied by Menelaus, other voltages supplied by VBAT;
 486          * so no switching.
 487          */
 488 };
 489
 490 static void __init tusb_evm_setup(void)
 491 {
 492         static char     announce[] __initdata =
 493                                 KERN_INFO "TUSB 6010 EVM\n";
 494         int             irq;
 495         unsigned        dmachan = 0;
 496
 497         /* There are at least 32 different combinations of boards that
 498          * are loosely called "H4", with a 2420 ... different OMAP chip
 499          * revisions (with pin mux changes for DMAREQ, GPMC errata, etc),
 500          * modifications of the CPU board, mainboard, EVM, TUSB etc.
 501          * Plus omap2422, omap2423, etc.
 502          *
 503          * So you might need to tweak this setup to make the TUSB EVM
 504          * behave on your particular setup ...
 505          */
 506
 507         /* Already set up:  GPMC AD[0..15], CLK, nOE, nWE, nADV_ALE */
 508         omap_cfg_reg(E2_GPMC_NCS2);
 509         omap_cfg_reg(L2_GPMC_NCS7);
 510         omap_cfg_reg(M1_GPMC_WAIT2);
 511
 512         switch ((system_rev >> 8) & 0x0f) {
 513         case 0:         /* ES 1.0 */
 514         case 1:         /* ES 2.0 */
 515                 /* Assume early board revision without optional ES2.0
 516                  * rework to swap J15 & AA10 so DMAREQ0 works
 517                  */
 518                 omap_cfg_reg(AA10_242X_GPIO13);
 519                 irq = 13;
 520                 /* omap_cfg_reg(J15_24XX_DMAREQ0); */
 521                 break;
 522         default:
 523                 /* Later Menelaus boards can support all 6 DMA request
 524                  * lines, at the price of boot flash A23-A26.
 525                  */
 526                 omap_cfg_reg(J15_24XX_GPIO99);
 527                 irq = 99;
 528                 dmachan = (1 << 1) | (1 << 0);
 529 #if !(defined(CONFIG_MTD_OMAP_NOR) || defined(CONFIG_MTD_OMAP_NOR_MODULE))
 530                 dmachan |= (1 << 5) | (1 << 4) (1 << 3) | (1 << 2);
 531 #endif
 532                 break;
 533         }
 534
 535         if (tusb6010_setup_interface(&tusb_data,
 536                         TUSB6010_REFCLK_24, /* waitpin */ 2,
 537                         /* async cs */ 2, /* sync cs */ 7,
 538                         irq, dmachan) == 0)
 539                 printk(announce);
 540 }
 541
 542 #endif
 543
 544 #if defined(CONFIG_VIDEO_OV9640) || defined(CONFIG_VIDEO_OV9640_MODULE)
 545 /*
 546  * Common OV9640 register initialization for all image sizes, pixel formats,
 547  * and frame rates
 548  */
 549 const static struct ov9640_reg ov9640_common[] = {
 550         { 0x12, 0x80 }, { 0x11, 0x80 }, { 0x13, 0x8F }, /* COM7, CLKRC, COM8 */
 551         { 0x01, 0x80 }, { 0x02, 0x80 }, { 0x04, 0x00 }, /* BLUE, RED, COM1 */
 552         { 0x0E, 0x81 }, { 0x0F, 0x4F }, { 0x14, 0x4A }, /* COM5, COM6, COM9 */
 553         { 0x16, 0x02 }, { 0x1B, 0x01 }, { 0x24, 0x70 }, /* ?, PSHFT, AEW */
 554         { 0x25, 0x68 }, { 0x26, 0xD3 }, { 0x27, 0x90 }, /* AEB, VPT, BBIAS */
 555         { 0x2A, 0x00 }, { 0x2B, 0x00 }, { 0x32, 0x24 }, /* EXHCH, EXHCL, HREF */
 556         { 0x33, 0x02 }, { 0x37, 0x02 }, { 0x38, 0x13 }, /* CHLF, ADC, ACOM */
 557         { 0x39, 0xF0 }, { 0x3A, 0x00 }, { 0x3B, 0x01 }, /* OFON, TSLB, COM11 */
 558         { 0x3D, 0x90 }, { 0x3E, 0x02 }, { 0x3F, 0xF2 }, /* COM13, COM14, EDGE */
 559         { 0x41, 0x02 }, { 0x42, 0xC8 },         /* COM16, COM17 */
 560         { 0x43, 0xF0 }, { 0x44, 0x10 }, { 0x45, 0x6C }, /* ?, ?, ? */
 561         { 0x46, 0x6C }, { 0x47, 0x44 }, { 0x48, 0x44 }, /* ?, ?, ? */
 562         { 0x49, 0x03 }, { 0x59, 0x49 }, { 0x5A, 0x94 }, /* ?, ?, ? */
 563         { 0x5B, 0x46 }, { 0x5C, 0x84 }, { 0x5D, 0x5C }, /* ?, ?, ? */
 564         { 0x5E, 0x08 }, { 0x5F, 0x00 }, { 0x60, 0x14 }, /* ?, ?, ? */
 565         { 0x61, 0xCE },                                 /* ? */
 566         { 0x62, 0x70 }, { 0x63, 0x00 }, { 0x64, 0x04 }, /* LCC1, LCC2, LCC3 */
 567         { 0x65, 0x00 }, { 0x66, 0x00 },                 /* LCC4, LCC5 */
 568         { 0x69, 0x00 }, { 0x6A, 0x3E }, { 0x6B, 0x3F }, /* HV, MBD, DBLV */
 569         { 0x6C, 0x40 }, { 0x6D, 0x30 }, { 0x6E, 0x4B }, /* GSP1, GSP2, GSP3 */
 570         { 0x6F, 0x60 }, { 0x70, 0x70 }, { 0x71, 0x70 }, /* GSP4, GSP5, GSP6 */
 571         { 0x72, 0x70 }, { 0x73, 0x70 }, { 0x74, 0x60 }, /* GSP7, GSP8, GSP9 */
 572         { 0x75, 0x60 }, { 0x76, 0x50 }, { 0x77, 0x48 }, /* GSP10,GSP11,GSP12 */
 573         { 0x78, 0x3A }, { 0x79, 0x2E }, { 0x7A, 0x28 }, /* GSP13,GSP14,GSP15 */
 574         { 0x7B, 0x22 }, { 0x7C, 0x04 }, { 0x7D, 0x07 }, /* GSP16,GST1, GST2 */
 575         { 0x7E, 0x10 }, { 0x7F, 0x28 }, { 0x80, 0x36 }, /* GST3, GST4, GST5 */
 576         { 0x81, 0x44 }, { 0x82, 0x52 }, { 0x83, 0x60 }, /* GST6, GST7, GST8 */
 577         { 0x84, 0x6C }, { 0x85, 0x78 }, { 0x86, 0x8C }, /* GST9, GST10,GST11 */
 578         { 0x87, 0x9E }, { 0x88, 0xBB }, { 0x89, 0xD2 }, /* GST12,GST13,GST14 */
 579         { 0x8A, 0xE6 }, { 0x13, 0x8F }, { 0x00, 0x7F }, /* GST15, COM8 */
 580         { OV9640_REG_TERM, OV9640_VAL_TERM }
 581 };
 582
 583 static int ov9640_sensor_power_set(int power)
 584 {
 585         unsigned char expa;
 586         int err;
 587
 588         /* read current state of GPIO EXPA outputs */
 589         if ((err = read_gpio_expa(&expa, 0x20))) {
 590                 printk(KERN_ERR "Error reading GPIO EXPA 0x20\n");
 591                 return err;
 592         }
 593
 594         expa = power ? expa | 0x80 : expa & ~0x08;
 595
 596         /* Set GPIO EXPA P3 (CAMERA_MODULE_EN) to power-up sensor */
 597         if ((err = write_gpio_expa(expa, 0x20))) {
 598                 printk(KERN_ERR "Error writing to GPIO EXPA 0x20\n");
 599                 return err;
 600         }
 601
 602         if (power) {
 603                 /* read current state of GPIO EXPA outputs */
 604                 if ((err = read_gpio_expa(&expa, 0x22))) {
 605                         printk(KERN_ERR "Error reading GPIO EXPA\n");
 606                         return err;
 607                 }
 608                 /* Clear GPIO EXPA P7 (CAM_RST) */
 609                 if ((err = write_gpio_expa(expa & ~0x80, 0x22))) {
 610                         printk(KERN_ERR "Error writing to GPIO EXPA\n");
 611                         return err;
 612                 }
 613         }
 614
 615         return err;
 616 }
 617
 618 static struct v4l2_ifparm ifparm = {
 619         .if_type = V4L2_IF_TYPE_BT656,
 620         .u = {
 621                 .bt656 = {
 622                          .frame_start_on_rising_vs = 1,
 623                          .nobt_vs_inv = 1,
 624                          .mode = V4L2_IF_TYPE_BT656_MODE_NOBT_8BIT,
 625                          .clock_min = OV9640_XCLK_MIN,
 626                          .clock_max = OV9640_XCLK_MAX,
 627                  },
 628         },
 629 };
 630
 631 static int ov9640_ifparm(struct v4l2_ifparm *p)
 632 {
 633         *p = ifparm;
 634
 635         return 0;
 636 }
 637
 638 static struct ov9640_platform_data h4_ov9640_platform_data = {
 639         .power_set      = ov9640_sensor_power_set,
 640         .default_regs   = ov9640_common,
 641         .ifparm         = ov9640_ifparm,
 642 };
 643 #endif
 644
 645 static struct i2c_board_info __initdata h4_i2c_board_info[] = {
 646         {
 647                 I2C_BOARD_INFO("rv5c387a", 0x32),
 648                 /* no IRQ wired to OMAP; nINTB goes to AGPS */
 649         },
 650         {
 651                 I2C_BOARD_INFO("menelaus", 0x72),
 652                 .irq = INT_24XX_SYS_NIRQ,
 653         },
 654         {
 655                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 656                 .irq            = OMAP_GPIO_IRQ(125),
 657         },
 658 #if defined(CONFIG_VIDEO_OV9640) || defined(CONFIG_VIDEO_OV9640_MODULE)
 659         {
 660                 I2C_BOARD_INFO("ov9640", 0x30),
 661                 .platform_data = &h4_ov9640_platform_data,
 662         },
 663 #endif
 664 };
 665
 666 static void __init omap_h4_init(void)
 667 {
 668         /*
 669          * Make sure the serial ports are muxed on at this point.
 670          * You have to mux them off in device drivers later on
 671          * if not needed.
 672          */
 673 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 674         omap_cfg_reg(K15_24XX_UART3_TX);
 675         omap_cfg_reg(K14_24XX_UART3_RX);
 676 #endif
 677
 678 #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
 679         if (omap_has_menelaus()) {
 680                 row_gpios[5] = 0;
 681                 col_gpios[2] = 15;
 682                 col_gpios[6] = 18;
 683         }
 684 #endif
 685
 686 #ifdef  CONFIG_MACH_OMAP2_H4_USB1
 687         /* S3.3 controls whether these pins are for UART2 or USB1 */
 688         omap_cfg_reg(N14_24XX_USB1_SE0);
 689         omap_cfg_reg(P15_24XX_USB1_DAT);
 690         omap_cfg_reg(W20_24XX_USB1_TXEN);
 691         omap_cfg_reg(V19_24XX_USB1_RCV);
 692 #endif
 693
 694         /* Menelaus interrupt */
 695         omap_cfg_reg(W19_24XX_SYS_NIRQ);
 696
 697         platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
 698         omap_board_config = h4_config;
 699         omap_board_config_size = ARRAY_SIZE(h4_config);
 700         omap_serial_init();
 701         h4_mmc_init();
 702         omap_register_i2c_bus(1, 100, h4_i2c_board_info,
 703                               ARRAY_SIZE(h4_i2c_board_info));
 704
 705         /* smc91x, debug leds, ps/2, extra uarts */
 706         h4_init_debug();
 707
 708 #ifdef  CONFIG_MACH_OMAP_H4_TUSB
 709         tusb_evm_setup();
 710 #endif
 711
 712         /* defaults seem ok for:
 713          * omap_cfg_reg(U18_24XX_SPI1_SCK);
 714          * omap_cfg_reg(V20_24XX_SPI1_MOSI);
 715          * omap_cfg_reg(T18_24XX_SPI1_MISO);
 716          * omap_cfg_reg(U19_24XX_SPI1_NCS0);
 717          */
 718
 719         /* TSC2101 */
 720         omap_cfg_reg(P20_24XX_GPIO93);
 721         gpio_request(93, "tsc_irq");
 722         gpio_direction_input(93);
 723
 724         omap_cfg_reg(W14_24XX_SYS_CLKOUT);      /* mclk */
 725         /* defaults seem ok for:
 726          * omap_cfg_reg(Y15_EAC_AC_SCLK);       // bclk
 727          * omap_cfg_reg(R14_EAC_AC_FS);
 728          * omap_cfg_reg(V15_EAC_AC_DOUT);
 729          * omap_cfg_reg(W15_EAC_AC_DIN);
 730          */
 731
 732         spi_register_board_info(h4_spi_board_info,
 733                                 ARRAY_SIZE(h4_spi_board_info));
 734 }
 735
 736 static void __init omap_h4_map_io(void)
 737 {
 738         omap2_set_globals_242x();
 739         omap2_map_common_io();
 740 }
 741
 742 MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
 743         /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
 744         .phys_io        = 0x48000000,
 745         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 746         .boot_params    = 0x80000100,
 747         .map_io         = omap_h4_map_io,
 748         .init_irq       = omap_h4_init_irq,
 749         .init_machine   = omap_h4_init,
 750         .timer          = &omap_timer,
 751 MACHINE_END