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