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/mtd/physmap.h>
  29 #include <linux/input.h>
  30 #include <linux/spi/spi.h>
  31 #include <linux/i2c/tps65010.h>
  32 #include <linux/smc91x.h>
  33
  34 #include <asm/setup.h>
  35 #include <asm/page.h>
  36 #include <mach/hardware.h>
  37 #include <asm/gpio.h>
  38
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/map.h>
  42
  43 #include <mach/irqs.h>
  44 #include <plat/mux.h>
  45 #include <plat/tc.h>
  46 #include <plat/usb.h>
  47 #include <plat/keypad.h>
  48 #include <plat/dma.h>
  49 #include <plat/common.h>
  50 #include <plat/flash.h>
  51
  52 #include "board-h3.h"
  53
  54 /* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
  55 #define OMAP1710_ETHR_START             0x04000300
  56
  57 #define H3_TS_GPIO      48
  58
  59 static const unsigned int h3_keymap[] = {
  60         KEY(0, 0, KEY_LEFT),
  61         KEY(1, 0, KEY_RIGHT),
  62         KEY(2, 0, KEY_3),
  63         KEY(3, 0, KEY_F10),
  64         KEY(4, 0, KEY_F5),
  65         KEY(5, 0, KEY_9),
  66         KEY(0, 1, KEY_DOWN),
  67         KEY(1, 1, KEY_UP),
  68         KEY(2, 1, KEY_2),
  69         KEY(3, 1, KEY_F9),
  70         KEY(4, 1, KEY_F7),
  71         KEY(5, 1, KEY_0),
  72         KEY(0, 2, KEY_ENTER),
  73         KEY(1, 2, KEY_6),
  74         KEY(2, 2, KEY_1),
  75         KEY(3, 2, KEY_F2),
  76         KEY(4, 2, KEY_F6),
  77         KEY(5, 2, KEY_HOME),
  78         KEY(0, 3, KEY_8),
  79         KEY(1, 3, KEY_5),
  80         KEY(2, 3, KEY_F12),
  81         KEY(3, 3, KEY_F3),
  82         KEY(4, 3, KEY_F8),
  83         KEY(5, 3, KEY_END),
  84         KEY(0, 4, KEY_7),
  85         KEY(1, 4, KEY_4),
  86         KEY(2, 4, KEY_F11),
  87         KEY(3, 4, KEY_F1),
  88         KEY(4, 4, KEY_F4),
  89         KEY(5, 4, KEY_ESC),
  90         KEY(0, 5, KEY_F13),
  91         KEY(1, 5, KEY_F14),
  92         KEY(2, 5, KEY_F15),
  93         KEY(3, 5, KEY_F16),
  94         KEY(4, 5, KEY_SLEEP),
  95 };
  96
  97
  98 static struct mtd_partition nor_partitions[] = {
  99         /* bootloader (U-Boot, etc) in first sector */
 100         {
 101               .name             = "bootloader",
 102               .offset           = 0,
 103               .size             = SZ_128K,
 104               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 105         },
 106         /* bootloader params in the next sector */
 107         {
 108               .name             = "params",
 109               .offset           = MTDPART_OFS_APPEND,
 110               .size             = SZ_128K,
 111               .mask_flags       = 0,
 112         },
 113         /* kernel */
 114         {
 115               .name             = "kernel",
 116               .offset           = MTDPART_OFS_APPEND,
 117               .size             = SZ_2M,
 118               .mask_flags       = 0
 119         },
 120         /* file system */
 121         {
 122               .name             = "filesystem",
 123               .offset           = MTDPART_OFS_APPEND,
 124               .size             = MTDPART_SIZ_FULL,
 125               .mask_flags       = 0
 126         }
 127 };
 128
 129 static struct physmap_flash_data nor_data = {
 130         .width          = 2,
 131         .set_vpp        = omap1_set_vpp,
 132         .parts          = nor_partitions,
 133         .nr_parts       = ARRAY_SIZE(nor_partitions),
 134 };
 135
 136 static struct resource nor_resource = {
 137         /* This is on CS3, wherever it's mapped */
 138         .flags          = IORESOURCE_MEM,
 139 };
 140
 141 static struct platform_device nor_device = {
 142         .name           = "physmap-flash",
 143         .id             = 0,
 144         .dev            = {
 145                 .platform_data  = &nor_data,
 146         },
 147         .num_resources  = 1,
 148         .resource       = &nor_resource,
 149 };
 150
 151 static struct mtd_partition nand_partitions[] = {
 152 #if 0
 153         /* REVISIT: enable these partitions if you make NAND BOOT work */
 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 static void nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 185 {
 186         struct nand_chip *this = mtd->priv;
 187         unsigned long mask;
 188
 189         if (cmd == NAND_CMD_NONE)
 190                 return;
 191
 192         mask = (ctrl & NAND_CLE) ? 0x02 : 0;
 193         if (ctrl & NAND_ALE)
 194                 mask |= 0x04;
 195         writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
 196 }
 197
 198 #define H3_NAND_RB_GPIO_PIN     10
 199
 200 static int nand_dev_ready(struct mtd_info *mtd)
 201 {
 202         return gpio_get_value(H3_NAND_RB_GPIO_PIN);
 203 }
 204
 205 static const char *part_probes[] = { "cmdlinepart", NULL };
 206
 207 static struct platform_nand_data nand_platdata = {
 208         .chip   = {
 209                 .nr_chips               = 1,
 210                 .chip_offset            = 0,
 211                 .nr_partitions          = ARRAY_SIZE(nand_partitions),
 212                 .partitions             = nand_partitions,
 213                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 214                 .part_probe_types       = part_probes,
 215         },
 216         .ctrl   = {
 217                 .cmd_ctrl       = nand_cmd_ctl,
 218                 .dev_ready      = nand_dev_ready,
 219
 220         },
 221 };
 222
 223 static struct resource nand_resource = {
 224         .flags          = IORESOURCE_MEM,
 225 };
 226
 227 static struct platform_device nand_device = {
 228         .name           = "gen_nand",
 229         .id             = 0,
 230         .dev            = {
 231                 .platform_data  = &nand_platdata,
 232         },
 233         .num_resources  = 1,
 234         .resource       = &nand_resource,
 235 };
 236
 237 static struct smc91x_platdata smc91x_info = {
 238         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 239         .leda   = RPC_LED_100_10,
 240         .ledb   = RPC_LED_TX_RX,
 241 };
 242
 243 static struct resource smc91x_resources[] = {
 244         [0] = {
 245                 .start  = OMAP1710_ETHR_START,          /* Physical */
 246                 .end    = OMAP1710_ETHR_START + 0xf,
 247                 .flags  = IORESOURCE_MEM,
 248         },
 249         [1] = {
 250                 .start  = OMAP_GPIO_IRQ(40),
 251                 .end    = OMAP_GPIO_IRQ(40),
 252                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 253         },
 254 };
 255
 256 static struct platform_device smc91x_device = {
 257         .name           = "smc91x",
 258         .id             = 0,
 259         .dev    = {
 260                 .platform_data  = &smc91x_info,
 261         },
 262         .num_resources  = ARRAY_SIZE(smc91x_resources),
 263         .resource       = smc91x_resources,
 264 };
 265
 266 static void __init h3_init_smc91x(void)
 267 {
 268         omap_cfg_reg(W15_1710_GPIO40);
 269         if (gpio_request(40, "SMC91x irq") < 0) {
 270                 printk("Error requesting gpio 40 for smc91x irq\n");
 271                 return;
 272         }
 273 }
 274
 275 #define GPTIMER_BASE            0xFFFB1400
 276 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
 277 #define GPTIMER_REGS_SIZE       0x46
 278
 279 static struct resource intlat_resources[] = {
 280         [0] = {
 281                 .start  = GPTIMER_REGS(0),            /* Physical */
 282                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
 283                 .flags  = IORESOURCE_MEM,
 284         },
 285         [1] = {
 286                 .start  = INT_1610_GPTIMER1,
 287                 .end    = INT_1610_GPTIMER1,
 288                 .flags  = IORESOURCE_IRQ,
 289         },
 290 };
 291
 292 static struct platform_device intlat_device = {
 293         .name      = "omap_intlat",
 294         .id          = 0,
 295         .num_resources  = ARRAY_SIZE(intlat_resources),
 296         .resource       = intlat_resources,
 297 };
 298
 299 static struct resource h3_kp_resources[] = {
 300         [0] = {
 301                 .start  = INT_KEYBOARD,
 302                 .end    = INT_KEYBOARD,
 303                 .flags  = IORESOURCE_IRQ,
 304         },
 305 };
 306
 307 static const struct matrix_keymap_data h3_keymap_data = {
 308         .keymap         = h3_keymap,
 309         .keymap_size    = ARRAY_SIZE(h3_keymap),
 310 };
 311
 312 static struct omap_kp_platform_data h3_kp_data = {
 313         .rows           = 8,
 314         .cols           = 8,
 315         .keymap_data    = &h3_keymap_data,
 316         .rep            = true,
 317         .delay          = 9,
 318         .dbounce        = true,
 319 };
 320
 321 static struct platform_device h3_kp_device = {
 322         .name           = "omap-keypad",
 323         .id             = -1,
 324         .dev            = {
 325                 .platform_data = &h3_kp_data,
 326         },
 327         .num_resources  = ARRAY_SIZE(h3_kp_resources),
 328         .resource       = h3_kp_resources,
 329 };
 330
 331 static struct platform_device h3_lcd_device = {
 332         .name           = "lcd_h3",
 333         .id             = -1,
 334 };
 335
 336 static struct spi_board_info h3_spi_board_info[] __initdata = {
 337         [0] = {
 338                 .modalias       = "tsc2101",
 339                 .bus_num        = 2,
 340                 .chip_select    = 0,
 341                 .irq            = OMAP_GPIO_IRQ(H3_TS_GPIO),
 342                 .max_speed_hz   = 16000000,
 343                 /* .platform_data       = &tsc_platform_data, */
 344         },
 345 };
 346
 347 static struct platform_device *devices[] __initdata = {
 348         &nor_device,
 349         &nand_device,
 350         &smc91x_device,
 351         &intlat_device,
 352         &h3_kp_device,
 353         &h3_lcd_device,
 354 };
 355
 356 static struct omap_usb_config h3_usb_config __initdata = {
 357         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 358         .otg        = 2,
 359
 360 #ifdef CONFIG_USB_GADGET_OMAP
 361         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 362 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 363         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 364         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 365 #endif
 366
 367         .pins[1]        = 3,
 368 };
 369
 370 static struct omap_lcd_config h3_lcd_config __initdata = {
 371         .ctrl_name      = "internal",
 372 };
 373
 374 static struct omap_board_config_kernel h3_config[] __initdata = {
 375         { OMAP_TAG_LCD,         &h3_lcd_config },
 376 };
 377
 378 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
 379        {
 380                 I2C_BOARD_INFO("tps65013", 0x48),
 381                /* .irq         = OMAP_GPIO_IRQ(??), */
 382        },
 383         {
 384                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 385                 .irq            = OMAP_GPIO_IRQ(14),
 386         },
 387 };
 388
 389 static void __init h3_init(void)
 390 {
 391         h3_init_smc91x();
 392
 393         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 394          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 395          * notice whether a NAND chip is enabled at probe time.
 396          *
 397          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
 398          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
 399          * to avoid probing every possible flash configuration...
 400          */
 401         nor_resource.end = nor_resource.start = omap_cs3_phys();
 402         nor_resource.end += SZ_32M - 1;
 403
 404         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
 405         nand_resource.end += SZ_4K - 1;
 406         if (gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 407                 BUG();
 408         gpio_direction_input(H3_NAND_RB_GPIO_PIN);
 409
 410         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
 411         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
 412         omap_cfg_reg(V2_1710_GPIO10);
 413
 414         /* Mux pins for keypad */
 415         omap_cfg_reg(F18_1610_KBC0);
 416         omap_cfg_reg(D20_1610_KBC1);
 417         omap_cfg_reg(D19_1610_KBC2);
 418         omap_cfg_reg(E18_1610_KBC3);
 419         omap_cfg_reg(C21_1610_KBC4);
 420         omap_cfg_reg(G18_1610_KBR0);
 421         omap_cfg_reg(F19_1610_KBR1);
 422         omap_cfg_reg(H14_1610_KBR2);
 423         omap_cfg_reg(E20_1610_KBR3);
 424         omap_cfg_reg(E19_1610_KBR4);
 425         omap_cfg_reg(N19_1610_KBR5);
 426
 427         platform_add_devices(devices, ARRAY_SIZE(devices));
 428         spi_register_board_info(h3_spi_board_info,
 429                                 ARRAY_SIZE(h3_spi_board_info));
 430         omap_board_config = h3_config;
 431         omap_board_config_size = ARRAY_SIZE(h3_config);
 432         omap_serial_init();
 433         omap_register_i2c_bus(1, 100, h3_i2c_board_info,
 434                               ARRAY_SIZE(h3_i2c_board_info));
 435         omap1_usb_init(&h3_usb_config);
 436         h3_mmc_init();
 437 }
 438
 439 static void __init h3_init_irq(void)
 440 {
 441         omap1_init_common_hw();
 442         omap1_init_irq();
 443 }
 444
 445 static void __init h3_map_io(void)
 446 {
 447         omap1_map_common_io();
 448 }
 449
 450 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 451         /* Maintainer: Texas Instruments, Inc. */
 452         .boot_params    = 0x10000100,
 453         .map_io         = h3_map_io,
 454         .reserve        = omap_reserve,
 455         .init_irq       = h3_init_irq,
 456         .init_machine   = h3_init,
 457         .timer          = &omap1_timer,
 458 MACHINE_END