arch/arm/mach-omap1/board-h3.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-h3.c
   3  *
   4  * This file contains OMAP1710 H3 specific code.
   5  *
   6  * Copyright (C) 2004 Texas Instruments, Inc.
   7  * Copyright (C) 2002 MontaVista Software, Inc.
   8  * Copyright (C) 2001 RidgeRun, Inc.
   9  * Author: RidgeRun, Inc.
  10  *         Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16
  17 #include <linux/types.h>
  18 #include <linux/init.h>
  19 #include <linux/major.h>
  20 #include <linux/kernel.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/errno.h>
  23 #include <linux/workqueue.h>
  24 #include <linux/i2c.h>
  25 #include <linux/mtd/mtd.h>
  26 #include <linux/mtd/nand.h>
  27 #include <linux/mtd/partitions.h>
  28 #include <linux/input.h>
  29
  30 #include <asm/setup.h>
  31 #include <asm/page.h>
  32 #include <asm/hardware.h>
  33 #include <asm/gpio.h>
  34
  35 #include <asm/mach-types.h>
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/flash.h>
  38 #include <asm/mach/map.h>
  39
  40 #include <asm/arch/tps65010.h>
  41 #include <asm/arch/gpioexpander.h>
  42 #include <asm/arch/irqs.h>
  43 #include <asm/arch/mux.h>
  44 #include <asm/arch/tc.h>
  45 #include <asm/arch/irda.h>
  46 #include <asm/arch/usb.h>
  47 #include <asm/arch/keypad.h>
  48 #include <asm/arch/dma.h>
  49 #include <asm/arch/common.h>
  50
  51 extern int omap_gpio_init(void);
  52
  53 static int h3_keymap[] = {
  54         KEY(0, 0, KEY_LEFT),
  55         KEY(0, 1, KEY_RIGHT),
  56         KEY(0, 2, KEY_3),
  57         KEY(0, 3, KEY_F10),
  58         KEY(0, 4, KEY_F5),
  59         KEY(0, 5, KEY_9),
  60         KEY(1, 0, KEY_DOWN),
  61         KEY(1, 1, KEY_UP),
  62         KEY(1, 2, KEY_2),
  63         KEY(1, 3, KEY_F9),
  64         KEY(1, 4, KEY_F7),
  65         KEY(1, 5, KEY_0),
  66         KEY(2, 0, KEY_ENTER),
  67         KEY(2, 1, KEY_6),
  68         KEY(2, 2, KEY_1),
  69         KEY(2, 3, KEY_F2),
  70         KEY(2, 4, KEY_F6),
  71         KEY(2, 5, KEY_HOME),
  72         KEY(3, 0, KEY_8),
  73         KEY(3, 1, KEY_5),
  74         KEY(3, 2, KEY_F12),
  75         KEY(3, 3, KEY_F3),
  76         KEY(3, 4, KEY_F8),
  77         KEY(3, 5, KEY_END),
  78         KEY(4, 0, KEY_7),
  79         KEY(4, 1, KEY_4),
  80         KEY(4, 2, KEY_F11),
  81         KEY(4, 3, KEY_F1),
  82         KEY(4, 4, KEY_F4),
  83         KEY(4, 5, KEY_ESC),
  84         KEY(5, 0, KEY_F13),
  85         KEY(5, 1, KEY_F14),
  86         KEY(5, 2, KEY_F15),
  87         KEY(5, 3, KEY_F16),
  88         KEY(5, 4, KEY_SLEEP),
  89         0
  90 };
  91
  92
  93 static struct mtd_partition nor_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 nor_data = {
 125         .map_name       = "cfi_probe",
 126         .width          = 2,
 127         .parts          = nor_partitions,
 128         .nr_parts       = ARRAY_SIZE(nor_partitions),
 129 };
 130
 131 static struct resource nor_resource = {
 132         /* This is on CS3, wherever it's mapped */
 133         .flags          = IORESOURCE_MEM,
 134 };
 135
 136 static struct platform_device nor_device = {
 137         .name           = "omapflash",
 138         .id             = 0,
 139         .dev            = {
 140                 .platform_data  = &nor_data,
 141         },
 142         .num_resources  = 1,
 143         .resource       = &nor_resource,
 144 };
 145
 146 static struct mtd_partition nand_partitions[] = {
 147 #if 0
 148         /* REVISIT: enable these partitions if you make NAND BOOT work */
 149         {
 150                 .name           = "xloader",
 151                 .offset         = 0,
 152                 .size           = 64 * 1024,
 153                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 154         },
 155         {
 156                 .name           = "bootloader",
 157                 .offset         = MTDPART_OFS_APPEND,
 158                 .size           = 256 * 1024,
 159                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 160         },
 161         {
 162                 .name           = "params",
 163                 .offset         = MTDPART_OFS_APPEND,
 164                 .size           = 192 * 1024,
 165         },
 166         {
 167                 .name           = "kernel",
 168                 .offset         = MTDPART_OFS_APPEND,
 169                 .size           = 2 * SZ_1M,
 170         },
 171 #endif
 172         {
 173                 .name           = "filesystem",
 174                 .size           = MTDPART_SIZ_FULL,
 175                 .offset         = MTDPART_OFS_APPEND,
 176         },
 177 };
 178
 179 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
 180 static struct nand_platform_data nand_data = {
 181         .options        = NAND_SAMSUNG_LP_OPTIONS,
 182         .parts          = nand_partitions,
 183         .nr_parts       = ARRAY_SIZE(nand_partitions),
 184 };
 185
 186 static struct resource nand_resource = {
 187         .flags          = IORESOURCE_MEM,
 188 };
 189
 190 static struct platform_device nand_device = {
 191         .name           = "omapnand",
 192         .id             = 0,
 193         .dev            = {
 194                 .platform_data  = &nand_data,
 195         },
 196         .num_resources  = 1,
 197         .resource       = &nand_resource,
 198 };
 199
 200 static struct resource smc91x_resources[] = {
 201         [0] = {
 202                 .start  = OMAP1710_ETHR_START,          /* Physical */
 203                 .end    = OMAP1710_ETHR_START + 0xf,
 204                 .flags  = IORESOURCE_MEM,
 205         },
 206         [1] = {
 207                 .start  = OMAP_GPIO_IRQ(40),
 208                 .end    = OMAP_GPIO_IRQ(40),
 209                 .flags  = IORESOURCE_IRQ,
 210         },
 211 };
 212
 213 static struct platform_device smc91x_device = {
 214         .name           = "smc91x",
 215         .id             = 0,
 216         .num_resources  = ARRAY_SIZE(smc91x_resources),
 217         .resource       = smc91x_resources,
 218 };
 219
 220 #define GPTIMER_BASE            0xFFFB1400
 221 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
 222 #define GPTIMER_REGS_SIZE       0x46
 223
 224 static struct resource intlat_resources[] = {
 225         [0] = {
 226                 .start  = GPTIMER_REGS(0),            /* Physical */
 227                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
 228                 .flags  = IORESOURCE_MEM,
 229         },
 230         [1] = {
 231                 .start  = INT_1610_GPTIMER1,
 232                 .end    = INT_1610_GPTIMER1,
 233                 .flags  = IORESOURCE_IRQ,
 234         },
 235 };
 236
 237 static struct platform_device intlat_device = {
 238         .name      = "omap_intlat",
 239         .id          = 0,
 240         .num_resources  = ARRAY_SIZE(intlat_resources),
 241         .resource       = intlat_resources,
 242 };
 243
 244 static struct resource h3_kp_resources[] = {
 245         [0] = {
 246                 .start  = INT_KEYBOARD,
 247                 .end    = INT_KEYBOARD,
 248                 .flags  = IORESOURCE_IRQ,
 249         },
 250 };
 251
 252 static struct omap_kp_platform_data h3_kp_data = {
 253         .rows           = 8,
 254         .cols           = 8,
 255         .keymap         = h3_keymap,
 256         .keymapsize     = ARRAY_SIZE(h3_keymap),
 257         .rep            = 1,
 258         .delay          = 9,
 259         .dbounce        = 1,
 260 };
 261
 262 static struct platform_device h3_kp_device = {
 263         .name           = "omap-keypad",
 264         .id             = -1,
 265         .dev            = {
 266                 .platform_data = &h3_kp_data,
 267         },
 268         .num_resources  = ARRAY_SIZE(h3_kp_resources),
 269         .resource       = h3_kp_resources,
 270 };
 271
 272
 273 /* Select between the IrDA and aGPS module
 274  */
 275 static int h3_select_irda(struct device *dev, int state)
 276 {
 277         unsigned char expa;
 278         int err = 0;
 279
 280         if ((err = read_gpio_expa(&expa, 0x26))) {
 281                 printk(KERN_ERR "Error reading from I/O EXPANDER \n");
 282                 return err;
 283         }
 284
 285         /* 'P6' enable/disable IRDA_TX and IRDA_RX */
 286         if (state & IR_SEL) { /* IrDA */
 287                 if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
 288                         printk(KERN_ERR "Error writing to I/O EXPANDER \n");
 289                         return err;
 290                 }
 291         } else {
 292                 if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
 293                         printk(KERN_ERR "Error writing to I/O EXPANDER \n");
 294                         return err;
 295                 }
 296         }
 297         return err;
 298 }
 299
 300 static void set_trans_mode(struct work_struct *work)
 301 {
 302         struct omap_irda_config *irda_config =
 303                 container_of(work, struct omap_irda_config, gpio_expa.work);
 304         int mode = irda_config->mode;
 305         unsigned char expa;
 306         int err = 0;
 307
 308         if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
 309                 printk(KERN_ERR "Error reading from I/O expander\n");
 310         }
 311
 312         expa &= ~0x03;
 313
 314         if (mode & IR_SIRMODE) {
 315                 expa |= 0x01;
 316         } else { /* MIR/FIR */
 317                 expa |= 0x03;
 318         }
 319
 320         if ((err = write_gpio_expa(expa, 0x27)) != 0) {
 321                 printk(KERN_ERR "Error writing to I/O expander\n");
 322         }
 323 }
 324
 325 static int h3_transceiver_mode(struct device *dev, int mode)
 326 {
 327         struct omap_irda_config *irda_config = dev->platform_data;
 328
 329         irda_config->mode = mode;
 330         cancel_delayed_work(&irda_config->gpio_expa);
 331         PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
 332         schedule_delayed_work(&irda_config->gpio_expa, 0);
 333
 334         return 0;
 335 }
 336
 337 static struct omap_irda_config h3_irda_data = {
 338         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 339         .transceiver_mode       = h3_transceiver_mode,
 340         .select_irda            = h3_select_irda,
 341         .rx_channel             = OMAP_DMA_UART3_RX,
 342         .tx_channel             = OMAP_DMA_UART3_TX,
 343         .dest_start             = UART3_THR,
 344         .src_start              = UART3_RHR,
 345         .tx_trigger             = 0,
 346         .rx_trigger             = 0,
 347 };
 348
 349 static struct resource h3_irda_resources[] = {
 350         [0] = {
 351                 .start  = INT_UART3,
 352                 .end    = INT_UART3,
 353                 .flags  = IORESOURCE_IRQ,
 354         },
 355 };
 356
 357 static struct platform_device h3_irda_device = {
 358         .name           = "omapirda",
 359         .id             = 0,
 360         .dev            = {
 361                 .platform_data  = &h3_irda_data,
 362         },
 363         .num_resources  = ARRAY_SIZE(h3_irda_resources),
 364         .resource       = h3_irda_resources,
 365 };
 366
 367 static struct platform_device h3_lcd_device = {
 368         .name           = "lcd_h3",
 369         .id             = -1,
 370 };
 371
 372 static struct platform_device *devices[] __initdata = {
 373         &nor_device,
 374         &nand_device,
 375         &smc91x_device,
 376         &intlat_device,
 377         &h3_irda_device,
 378         &h3_kp_device,
 379         &h3_lcd_device,
 380 };
 381
 382 static struct omap_usb_config h3_usb_config __initdata = {
 383         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 384         .otg        = 2,
 385
 386 #ifdef CONFIG_USB_GADGET_OMAP
 387         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 388 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 389         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 390         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 391 #endif
 392
 393         .pins[1]        = 3,
 394 };
 395
 396 static struct omap_mmc_config h3_mmc_config __initdata = {
 397         .mmc[0] = {
 398                 .enabled        = 1,
 399                 .power_pin      = -1,   /* tps65010 GPIO4 */
 400                 .switch_pin     = OMAP_MPUIO(1),
 401         },
 402 };
 403
 404 static struct omap_uart_config h3_uart_config __initdata = {
 405         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 406 };
 407
 408 static struct omap_lcd_config h3_lcd_config __initdata = {
 409         .ctrl_name      = "internal",
 410 };
 411
 412 static struct omap_board_config_kernel h3_config[] = {
 413         { OMAP_TAG_USB,         &h3_usb_config },
 414         { OMAP_TAG_MMC,         &h3_mmc_config },
 415         { OMAP_TAG_UART,        &h3_uart_config },
 416         { OMAP_TAG_LCD,         &h3_lcd_config },
 417 };
 418
 419 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
 420         {
 421                 I2C_BOARD_INFO("tps65010", 0x48),
 422                 .type           = "tps65013",
 423                 /* .irq         = OMAP_GPIO_IRQ(??), */
 424         },
 425         /* TODO when driver support is ready:
 426          *  - isp1301 OTG transceiver
 427          *  - optional ov9640 camera sensor at 0x30
 428          *  - ...
 429          */
 430 };
 431
 432 #define H3_NAND_RB_GPIO_PIN     10
 433
 434 static int nand_dev_ready(struct nand_platform_data *data)
 435 {
 436         return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
 437 }
 438
 439 static void __init h3_init(void)
 440 {
 441         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 442          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 443          * notice whether a NAND chip is enabled at probe time.
 444          *
 445          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
 446          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
 447          * to avoid probing every possible flash configuration...
 448          */
 449         nor_resource.end = nor_resource.start = omap_cs3_phys();
 450         nor_resource.end += SZ_32M - 1;
 451
 452         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
 453         nand_resource.end += SZ_4K - 1;
 454         if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
 455                 nand_data.dev_ready = nand_dev_ready;
 456
 457         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
 458         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
 459         omap_cfg_reg(V2_1710_GPIO10);
 460
 461         platform_add_devices(devices, ARRAY_SIZE(devices));
 462         omap_board_config = h3_config;
 463         omap_board_config_size = ARRAY_SIZE(h3_config);
 464         omap_serial_init();
 465
 466         /* FIXME setup irq for tps65013 chip */
 467         i2c_register_board_info(1, h3_i2c_board_info,
 468                         ARRAY_SIZE(h3_i2c_board_info));
 469 }
 470
 471 static void __init h3_init_smc91x(void)
 472 {
 473         omap_cfg_reg(W15_1710_GPIO40);
 474         if (omap_request_gpio(40) < 0) {
 475                 printk("Error requesting gpio 40 for smc91x irq\n");
 476                 return;
 477         }
 478 }
 479
 480 static void __init h3_init_irq(void)
 481 {
 482         omap1_init_common_hw();
 483         omap_init_irq();
 484         omap_gpio_init();
 485         h3_init_smc91x();
 486 }
 487
 488 static void __init h3_map_io(void)
 489 {
 490         omap1_map_common_io();
 491 }
 492
 493 #ifdef CONFIG_TPS65010
 494 static int __init h3_tps_init(void)
 495 {
 496         if (!machine_is_omap_h3())
 497                 return 0;
 498
 499         /* gpio4 for SD, gpio3 for VDD_DSP */
 500         /* FIXME send power to DSP iff it's configured */
 501
 502         /* Enable LOW_PWR */
 503         tps65013_set_low_pwr(ON);
 504
 505         return 0;
 506 }
 507 fs_initcall(h3_tps_init);
 508 #endif
 509
 510 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 511         /* Maintainer: Texas Instruments, Inc. */
 512         .phys_io        = 0xfff00000,
 513         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 514         .boot_params    = 0x10000100,
 515         .map_io         = h3_map_io,
 516         .init_irq       = h3_init_irq,
 517         .init_machine   = h3_init,
 518         .timer          = &omap_timer,
 519 MACHINE_END