Pileus Git - ~andy/linux/blob - arch/arm/mach-omap1/board-h2.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-h2.c
   3  *
   4  * Board specific inits for OMAP-1610 H2
   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  * H2 specific changes and cleanup
  15  * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
  16  *
  17  * This program is free software; you can redistribute it and/or modify
  18  * it under the terms of the GNU General Public License version 2 as
  19  * published by the Free Software Foundation.
  20  */
  21 #include <linux/gpio.h>
  22 #include <linux/kernel.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/delay.h>
  25 #include <linux/i2c.h>
  26 #include <linux/mtd/mtd.h>
  27 #include <linux/mtd/nand.h>
  28 #include <linux/mtd/partitions.h>
  29 #include <linux/mtd/physmap.h>
  30 #include <linux/input.h>
  31 #include <linux/i2c/tps65010.h>
  32 #include <linux/smc91x.h>
  33 #include <linux/omapfb.h>
  34 #include <linux/platform_data/gpio-omap.h>
  35 #include <linux/leds.h>
  36
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40
  41 #include <mach/mux.h>
  42 #include <plat/dma.h>
  43 #include <plat/tc.h>
  44 #include <mach/irda.h>
  45 #include <linux/platform_data/keypad-omap.h>
  46 #include <mach/flash.h>
  47
  48 #include <mach/hardware.h>
  49 #include <mach/usb.h>
  50
  51 #include "common.h"
  52 #include "board-h2.h"
  53
  54 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  55 #define OMAP1610_ETHR_START             0x04000300
  56
  57 static const unsigned int h2_keymap[] = {
  58         KEY(0, 0, KEY_LEFT),
  59         KEY(1, 0, KEY_RIGHT),
  60         KEY(2, 0, KEY_3),
  61         KEY(3, 0, KEY_F10),
  62         KEY(4, 0, KEY_F5),
  63         KEY(5, 0, KEY_9),
  64         KEY(0, 1, KEY_DOWN),
  65         KEY(1, 1, KEY_UP),
  66         KEY(2, 1, KEY_2),
  67         KEY(3, 1, KEY_F9),
  68         KEY(4, 1, KEY_F7),
  69         KEY(5, 1, KEY_0),
  70         KEY(0, 2, KEY_ENTER),
  71         KEY(1, 2, KEY_6),
  72         KEY(2, 2, KEY_1),
  73         KEY(3, 2, KEY_F2),
  74         KEY(4, 2, KEY_F6),
  75         KEY(5, 2, KEY_HOME),
  76         KEY(0, 3, KEY_8),
  77         KEY(1, 3, KEY_5),
  78         KEY(2, 3, KEY_F12),
  79         KEY(3, 3, KEY_F3),
  80         KEY(4, 3, KEY_F8),
  81         KEY(5, 3, KEY_END),
  82         KEY(0, 4, KEY_7),
  83         KEY(1, 4, KEY_4),
  84         KEY(2, 4, KEY_F11),
  85         KEY(3, 4, KEY_F1),
  86         KEY(4, 4, KEY_F4),
  87         KEY(5, 4, KEY_ESC),
  88         KEY(0, 5, KEY_F13),
  89         KEY(1, 5, KEY_F14),
  90         KEY(2, 5, KEY_F15),
  91         KEY(3, 5, KEY_F16),
  92         KEY(4, 5, KEY_SLEEP),
  93 };
  94
  95 static struct mtd_partition h2_nor_partitions[] = {
  96         /* bootloader (U-Boot, etc) in first sector */
  97         {
  98               .name             = "bootloader",
  99               .offset           = 0,
 100               .size             = SZ_128K,
 101               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 102         },
 103         /* bootloader params in the next sector */
 104         {
 105               .name             = "params",
 106               .offset           = MTDPART_OFS_APPEND,
 107               .size             = SZ_128K,
 108               .mask_flags       = 0,
 109         },
 110         /* kernel */
 111         {
 112               .name             = "kernel",
 113               .offset           = MTDPART_OFS_APPEND,
 114               .size             = SZ_2M,
 115               .mask_flags       = 0
 116         },
 117         /* file system */
 118         {
 119               .name             = "filesystem",
 120               .offset           = MTDPART_OFS_APPEND,
 121               .size             = MTDPART_SIZ_FULL,
 122               .mask_flags       = 0
 123         }
 124 };
 125
 126 static struct physmap_flash_data h2_nor_data = {
 127         .width          = 2,
 128         .set_vpp        = omap1_set_vpp,
 129         .parts          = h2_nor_partitions,
 130         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
 131 };
 132
 133 static struct resource h2_nor_resource = {
 134         /* This is on CS3, wherever it's mapped */
 135         .flags          = IORESOURCE_MEM,
 136 };
 137
 138 static struct platform_device h2_nor_device = {
 139         .name           = "physmap-flash",
 140         .id             = 0,
 141         .dev            = {
 142                 .platform_data  = &h2_nor_data,
 143         },
 144         .num_resources  = 1,
 145         .resource       = &h2_nor_resource,
 146 };
 147
 148 static struct mtd_partition h2_nand_partitions[] = {
 149 #if 0
 150         /* REVISIT:  enable these partitions if you make NAND BOOT
 151          * work on your H2 (rev C or newer); published versions of
 152          * x-load only support P2 and H3.
 153          */
 154         {
 155                 .name           = "xloader",
 156                 .offset         = 0,
 157                 .size           = 64 * 1024,
 158                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 159         },
 160         {
 161                 .name           = "bootloader",
 162                 .offset         = MTDPART_OFS_APPEND,
 163                 .size           = 256 * 1024,
 164                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 165         },
 166         {
 167                 .name           = "params",
 168                 .offset         = MTDPART_OFS_APPEND,
 169                 .size           = 192 * 1024,
 170         },
 171         {
 172                 .name           = "kernel",
 173                 .offset         = MTDPART_OFS_APPEND,
 174                 .size           = 2 * SZ_1M,
 175         },
 176 #endif
 177         {
 178                 .name           = "filesystem",
 179                 .size           = MTDPART_SIZ_FULL,
 180                 .offset         = MTDPART_OFS_APPEND,
 181         },
 182 };
 183
 184 #define H2_NAND_RB_GPIO_PIN     62
 185
 186 static int h2_nand_dev_ready(struct mtd_info *mtd)
 187 {
 188         return gpio_get_value(H2_NAND_RB_GPIO_PIN);
 189 }
 190
 191 static struct platform_nand_data h2_nand_platdata = {
 192         .chip   = {
 193                 .nr_chips               = 1,
 194                 .chip_offset            = 0,
 195                 .nr_partitions          = ARRAY_SIZE(h2_nand_partitions),
 196                 .partitions             = h2_nand_partitions,
 197                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 198         },
 199         .ctrl   = {
 200                 .cmd_ctrl       = omap1_nand_cmd_ctl,
 201                 .dev_ready      = h2_nand_dev_ready,
 202         },
 203 };
 204
 205 static struct resource h2_nand_resource = {
 206         .flags          = IORESOURCE_MEM,
 207 };
 208
 209 static struct platform_device h2_nand_device = {
 210         .name           = "gen_nand",
 211         .id             = 0,
 212         .dev            = {
 213                 .platform_data  = &h2_nand_platdata,
 214         },
 215         .num_resources  = 1,
 216         .resource       = &h2_nand_resource,
 217 };
 218
 219 static struct smc91x_platdata h2_smc91x_info = {
 220         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 221         .leda   = RPC_LED_100_10,
 222         .ledb   = RPC_LED_TX_RX,
 223 };
 224
 225 static struct resource h2_smc91x_resources[] = {
 226         [0] = {
 227                 .start  = OMAP1610_ETHR_START,          /* Physical */
 228                 .end    = OMAP1610_ETHR_START + 0xf,
 229                 .flags  = IORESOURCE_MEM,
 230         },
 231         [1] = {
 232                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 233         },
 234 };
 235
 236 static struct platform_device h2_smc91x_device = {
 237         .name           = "smc91x",
 238         .id             = 0,
 239         .dev    = {
 240                 .platform_data  = &h2_smc91x_info,
 241         },
 242         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 243         .resource       = h2_smc91x_resources,
 244 };
 245
 246 static struct resource h2_kp_resources[] = {
 247         [0] = {
 248                 .start  = INT_KEYBOARD,
 249                 .end    = INT_KEYBOARD,
 250                 .flags  = IORESOURCE_IRQ,
 251         },
 252 };
 253
 254 static const struct matrix_keymap_data h2_keymap_data = {
 255         .keymap         = h2_keymap,
 256         .keymap_size    = ARRAY_SIZE(h2_keymap),
 257 };
 258
 259 static struct omap_kp_platform_data h2_kp_data = {
 260         .rows           = 8,
 261         .cols           = 8,
 262         .keymap_data    = &h2_keymap_data,
 263         .rep            = true,
 264         .delay          = 9,
 265         .dbounce        = true,
 266 };
 267
 268 static struct platform_device h2_kp_device = {
 269         .name           = "omap-keypad",
 270         .id             = -1,
 271         .dev            = {
 272                 .platform_data = &h2_kp_data,
 273         },
 274         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 275         .resource       = h2_kp_resources,
 276 };
 277
 278 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 279
 280 static struct omap_irda_config h2_irda_data = {
 281         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 282         .rx_channel             = OMAP_DMA_UART3_RX,
 283         .tx_channel             = OMAP_DMA_UART3_TX,
 284         .dest_start             = UART3_THR,
 285         .src_start              = UART3_RHR,
 286         .tx_trigger             = 0,
 287         .rx_trigger             = 0,
 288 };
 289
 290 static struct resource h2_irda_resources[] = {
 291         [0] = {
 292                 .start  = INT_UART3,
 293                 .end    = INT_UART3,
 294                 .flags  = IORESOURCE_IRQ,
 295         },
 296 };
 297
 298 static u64 irda_dmamask = 0xffffffff;
 299
 300 static struct platform_device h2_irda_device = {
 301         .name           = "omapirda",
 302         .id             = 0,
 303         .dev            = {
 304                 .platform_data  = &h2_irda_data,
 305                 .dma_mask       = &irda_dmamask,
 306         },
 307         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 308         .resource       = h2_irda_resources,
 309 };
 310
 311 static struct gpio_led h2_gpio_led_pins[] = {
 312         {
 313                 .name           = "h2:red",
 314                 .default_trigger = "heartbeat",
 315                 .gpio           = 3,
 316         },
 317         {
 318                 .name           = "h2:green",
 319                 .default_trigger = "cpu0",
 320                 .gpio           = OMAP_MPUIO(4),
 321         },
 322 };
 323
 324 static struct gpio_led_platform_data h2_gpio_led_data = {
 325         .leds           = h2_gpio_led_pins,
 326         .num_leds       = ARRAY_SIZE(h2_gpio_led_pins),
 327 };
 328
 329 static struct platform_device h2_gpio_leds = {
 330         .name   = "leds-gpio",
 331         .id     = -1,
 332         .dev    = {
 333                 .platform_data = &h2_gpio_led_data,
 334         },
 335 };
 336
 337 static struct platform_device *h2_devices[] __initdata = {
 338         &h2_nor_device,
 339         &h2_nand_device,
 340         &h2_smc91x_device,
 341         &h2_irda_device,
 342         &h2_kp_device,
 343         &h2_gpio_leds,
 344 };
 345
 346 static void __init h2_init_smc91x(void)
 347 {
 348         if (gpio_request(0, "SMC91x irq") < 0) {
 349                 printk("Error requesting gpio 0 for smc91x irq\n");
 350                 return;
 351         }
 352 }
 353
 354 static int tps_setup(struct i2c_client *client, void *context)
 355 {
 356         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
 357                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
 358
 359         return 0;
 360 }
 361
 362 static struct tps65010_board tps_board = {
 363         .base           = H2_TPS_GPIO_BASE,
 364         .outmask        = 0x0f,
 365         .setup          = tps_setup,
 366 };
 367
 368 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 369         {
 370                 I2C_BOARD_INFO("tps65010", 0x48),
 371                 .platform_data  = &tps_board,
 372         }, {
 373                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 374         },
 375 };
 376
 377 static struct omap_usb_config h2_usb_config __initdata = {
 378         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 379         .otg            = 2,
 380
 381 #ifdef  CONFIG_USB_GADGET_OMAP
 382         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 383         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 384 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 385         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 386         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 387 #endif
 388
 389         .pins[1]        = 3,
 390 };
 391
 392 static struct omap_lcd_config h2_lcd_config __initdata = {
 393         .ctrl_name      = "internal",
 394 };
 395
 396 static void __init h2_init(void)
 397 {
 398         h2_init_smc91x();
 399
 400         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 401          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 402          * notice whether a NAND chip is enabled at probe time.
 403          *
 404          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 405          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 406          * detecting that in code here, to avoid probing every possible flash
 407          * configuration...
 408          */
 409         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 410         h2_nor_resource.end += SZ_32M - 1;
 411
 412         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 413         h2_nand_resource.end += SZ_4K - 1;
 414         if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 415                 BUG();
 416         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
 417
 418         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 419         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 420
 421         /* MMC:  card detect and WP */
 422         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
 423         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 424
 425         /* Mux pins for keypad */
 426         omap_cfg_reg(F18_1610_KBC0);
 427         omap_cfg_reg(D20_1610_KBC1);
 428         omap_cfg_reg(D19_1610_KBC2);
 429         omap_cfg_reg(E18_1610_KBC3);
 430         omap_cfg_reg(C21_1610_KBC4);
 431         omap_cfg_reg(G18_1610_KBR0);
 432         omap_cfg_reg(F19_1610_KBR1);
 433         omap_cfg_reg(H14_1610_KBR2);
 434         omap_cfg_reg(E20_1610_KBR3);
 435         omap_cfg_reg(E19_1610_KBR4);
 436         omap_cfg_reg(N19_1610_KBR5);
 437
 438         /* GPIO based LEDs */
 439         omap_cfg_reg(P18_1610_GPIO3);
 440         omap_cfg_reg(MPUIO4);
 441
 442         h2_smc91x_resources[1].start = gpio_to_irq(0);
 443         h2_smc91x_resources[1].end = gpio_to_irq(0);
 444         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 445         omap_serial_init();
 446         h2_i2c_board_info[0].irq = gpio_to_irq(58);
 447         h2_i2c_board_info[1].irq = gpio_to_irq(2);
 448         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
 449                               ARRAY_SIZE(h2_i2c_board_info));
 450         omap1_usb_init(&h2_usb_config);
 451         h2_mmc_init();
 452
 453         omapfb_set_lcd_config(&h2_lcd_config);
 454 }
 455
 456 MACHINE_START(OMAP_H2, "TI-H2")
 457         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 458         .atag_offset    = 0x100,
 459         .map_io         = omap16xx_map_io,
 460         .init_early     = omap1_init_early,
 461         .reserve        = omap_reserve,
 462         .init_irq       = omap1_init_irq,
 463         .init_machine   = h2_init,
 464         .init_late      = omap1_init_late,
 465         .timer          = &omap1_timer,
 466         .restart        = omap1_restart,
 467 MACHINE_END