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 #include <linux/gpio.h>
  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
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41
  42 #include <mach/irqs.h>
  43 #include <plat/mux.h>
  44 #include <plat/tc.h>
  45 #include <plat/usb.h>
  46 #include <plat/keypad.h>
  47 #include <plat/dma.h>
  48 #include <plat/common.h>
  49 #include <plat/flash.h>
  50
  51 #include "board-h3.h"
  52
  53 /* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
  54 #define OMAP1710_ETHR_START             0x04000300
  55
  56 #define H3_TS_GPIO      48
  57
  58 static const unsigned int h3_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
  97 static struct mtd_partition nor_partitions[] = {
  98         /* bootloader (U-Boot, etc) in first sector */
  99         {
 100               .name             = "bootloader",
 101               .offset           = 0,
 102               .size             = SZ_128K,
 103               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 104         },
 105         /* bootloader params in the next sector */
 106         {
 107               .name             = "params",
 108               .offset           = MTDPART_OFS_APPEND,
 109               .size             = SZ_128K,
 110               .mask_flags       = 0,
 111         },
 112         /* kernel */
 113         {
 114               .name             = "kernel",
 115               .offset           = MTDPART_OFS_APPEND,
 116               .size             = SZ_2M,
 117               .mask_flags       = 0
 118         },
 119         /* file system */
 120         {
 121               .name             = "filesystem",
 122               .offset           = MTDPART_OFS_APPEND,
 123               .size             = MTDPART_SIZ_FULL,
 124               .mask_flags       = 0
 125         }
 126 };
 127
 128 static struct physmap_flash_data nor_data = {
 129         .width          = 2,
 130         .set_vpp        = omap1_set_vpp,
 131         .parts          = nor_partitions,
 132         .nr_parts       = ARRAY_SIZE(nor_partitions),
 133 };
 134
 135 static struct resource nor_resource = {
 136         /* This is on CS3, wherever it's mapped */
 137         .flags          = IORESOURCE_MEM,
 138 };
 139
 140 static struct platform_device nor_device = {
 141         .name           = "physmap-flash",
 142         .id             = 0,
 143         .dev            = {
 144                 .platform_data  = &nor_data,
 145         },
 146         .num_resources  = 1,
 147         .resource       = &nor_resource,
 148 };
 149
 150 static struct mtd_partition nand_partitions[] = {
 151 #if 0
 152         /* REVISIT: enable these partitions if you make NAND BOOT work */
 153         {
 154                 .name           = "xloader",
 155                 .offset         = 0,
 156                 .size           = 64 * 1024,
 157                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 158         },
 159         {
 160                 .name           = "bootloader",
 161                 .offset         = MTDPART_OFS_APPEND,
 162                 .size           = 256 * 1024,
 163                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 164         },
 165         {
 166                 .name           = "params",
 167                 .offset         = MTDPART_OFS_APPEND,
 168                 .size           = 192 * 1024,
 169         },
 170         {
 171                 .name           = "kernel",
 172                 .offset         = MTDPART_OFS_APPEND,
 173                 .size           = 2 * SZ_1M,
 174         },
 175 #endif
 176         {
 177                 .name           = "filesystem",
 178                 .size           = MTDPART_SIZ_FULL,
 179                 .offset         = MTDPART_OFS_APPEND,
 180         },
 181 };
 182
 183 static void nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 184 {
 185         struct nand_chip *this = mtd->priv;
 186         unsigned long mask;
 187
 188         if (cmd == NAND_CMD_NONE)
 189                 return;
 190
 191         mask = (ctrl & NAND_CLE) ? 0x02 : 0;
 192         if (ctrl & NAND_ALE)
 193                 mask |= 0x04;
 194         writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
 195 }
 196
 197 #define H3_NAND_RB_GPIO_PIN     10
 198
 199 static int nand_dev_ready(struct mtd_info *mtd)
 200 {
 201         return gpio_get_value(H3_NAND_RB_GPIO_PIN);
 202 }
 203
 204 static const char *part_probes[] = { "cmdlinepart", NULL };
 205
 206 static struct platform_nand_data nand_platdata = {
 207         .chip   = {
 208                 .nr_chips               = 1,
 209                 .chip_offset            = 0,
 210                 .nr_partitions          = ARRAY_SIZE(nand_partitions),
 211                 .partitions             = nand_partitions,
 212                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 213                 .part_probe_types       = part_probes,
 214         },
 215         .ctrl   = {
 216                 .cmd_ctrl       = nand_cmd_ctl,
 217                 .dev_ready      = nand_dev_ready,
 218
 219         },
 220 };
 221
 222 static struct resource nand_resource = {
 223         .flags          = IORESOURCE_MEM,
 224 };
 225
 226 static struct platform_device nand_device = {
 227         .name           = "gen_nand",
 228         .id             = 0,
 229         .dev            = {
 230                 .platform_data  = &nand_platdata,
 231         },
 232         .num_resources  = 1,
 233         .resource       = &nand_resource,
 234 };
 235
 236 static struct smc91x_platdata smc91x_info = {
 237         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 238         .leda   = RPC_LED_100_10,
 239         .ledb   = RPC_LED_TX_RX,
 240 };
 241
 242 static struct resource smc91x_resources[] = {
 243         [0] = {
 244                 .start  = OMAP1710_ETHR_START,          /* Physical */
 245                 .end    = OMAP1710_ETHR_START + 0xf,
 246                 .flags  = IORESOURCE_MEM,
 247         },
 248         [1] = {
 249                 .start  = OMAP_GPIO_IRQ(40),
 250                 .end    = OMAP_GPIO_IRQ(40),
 251                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 252         },
 253 };
 254
 255 static struct platform_device smc91x_device = {
 256         .name           = "smc91x",
 257         .id             = 0,
 258         .dev    = {
 259                 .platform_data  = &smc91x_info,
 260         },
 261         .num_resources  = ARRAY_SIZE(smc91x_resources),
 262         .resource       = smc91x_resources,
 263 };
 264
 265 static void __init h3_init_smc91x(void)
 266 {
 267         omap_cfg_reg(W15_1710_GPIO40);
 268         if (gpio_request(40, "SMC91x irq") < 0) {
 269                 printk("Error requesting gpio 40 for smc91x irq\n");
 270                 return;
 271         }
 272 }
 273
 274 #define GPTIMER_BASE            0xFFFB1400
 275 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
 276 #define GPTIMER_REGS_SIZE       0x46
 277
 278 static struct resource intlat_resources[] = {
 279         [0] = {
 280                 .start  = GPTIMER_REGS(0),            /* Physical */
 281                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
 282                 .flags  = IORESOURCE_MEM,
 283         },
 284         [1] = {
 285                 .start  = INT_1610_GPTIMER1,
 286                 .end    = INT_1610_GPTIMER1,
 287                 .flags  = IORESOURCE_IRQ,
 288         },
 289 };
 290
 291 static struct platform_device intlat_device = {
 292         .name      = "omap_intlat",
 293         .id          = 0,
 294         .num_resources  = ARRAY_SIZE(intlat_resources),
 295         .resource       = intlat_resources,
 296 };
 297
 298 static struct resource h3_kp_resources[] = {
 299         [0] = {
 300                 .start  = INT_KEYBOARD,
 301                 .end    = INT_KEYBOARD,
 302                 .flags  = IORESOURCE_IRQ,
 303         },
 304 };
 305
 306 static const struct matrix_keymap_data h3_keymap_data = {
 307         .keymap         = h3_keymap,
 308         .keymap_size    = ARRAY_SIZE(h3_keymap),
 309 };
 310
 311 static struct omap_kp_platform_data h3_kp_data = {
 312         .rows           = 8,
 313         .cols           = 8,
 314         .keymap_data    = &h3_keymap_data,
 315         .rep            = true,
 316         .delay          = 9,
 317         .dbounce        = true,
 318 };
 319
 320 static struct platform_device h3_kp_device = {
 321         .name           = "omap-keypad",
 322         .id             = -1,
 323         .dev            = {
 324                 .platform_data = &h3_kp_data,
 325         },
 326         .num_resources  = ARRAY_SIZE(h3_kp_resources),
 327         .resource       = h3_kp_resources,
 328 };
 329
 330 static struct platform_device h3_lcd_device = {
 331         .name           = "lcd_h3",
 332         .id             = -1,
 333 };
 334
 335 static struct spi_board_info h3_spi_board_info[] __initdata = {
 336         [0] = {
 337                 .modalias       = "tsc2101",
 338                 .bus_num        = 2,
 339                 .chip_select    = 0,
 340                 .irq            = OMAP_GPIO_IRQ(H3_TS_GPIO),
 341                 .max_speed_hz   = 16000000,
 342                 /* .platform_data       = &tsc_platform_data, */
 343         },
 344 };
 345
 346 static struct platform_device *devices[] __initdata = {
 347         &nor_device,
 348         &nand_device,
 349         &smc91x_device,
 350         &intlat_device,
 351         &h3_kp_device,
 352         &h3_lcd_device,
 353 };
 354
 355 static struct omap_usb_config h3_usb_config __initdata = {
 356         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 357         .otg        = 2,
 358
 359 #ifdef CONFIG_USB_GADGET_OMAP
 360         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 361 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 362         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 363         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 364 #endif
 365
 366         .pins[1]        = 3,
 367 };
 368
 369 static struct omap_lcd_config h3_lcd_config __initdata = {
 370         .ctrl_name      = "internal",
 371 };
 372
 373 static struct omap_board_config_kernel h3_config[] __initdata = {
 374         { OMAP_TAG_LCD,         &h3_lcd_config },
 375 };
 376
 377 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
 378        {
 379                 I2C_BOARD_INFO("tps65013", 0x48),
 380                /* .irq         = OMAP_GPIO_IRQ(??), */
 381        },
 382         {
 383                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 384                 .irq            = OMAP_GPIO_IRQ(14),
 385         },
 386 };
 387
 388 static void __init h3_init(void)
 389 {
 390         h3_init_smc91x();
 391
 392         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 393          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 394          * notice whether a NAND chip is enabled at probe time.
 395          *
 396          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
 397          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
 398          * to avoid probing every possible flash configuration...
 399          */
 400         nor_resource.end = nor_resource.start = omap_cs3_phys();
 401         nor_resource.end += SZ_32M - 1;
 402
 403         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
 404         nand_resource.end += SZ_4K - 1;
 405         if (gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 406                 BUG();
 407         gpio_direction_input(H3_NAND_RB_GPIO_PIN);
 408
 409         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
 410         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
 411         omap_cfg_reg(V2_1710_GPIO10);
 412
 413         /* Mux pins for keypad */
 414         omap_cfg_reg(F18_1610_KBC0);
 415         omap_cfg_reg(D20_1610_KBC1);
 416         omap_cfg_reg(D19_1610_KBC2);
 417         omap_cfg_reg(E18_1610_KBC3);
 418         omap_cfg_reg(C21_1610_KBC4);
 419         omap_cfg_reg(G18_1610_KBR0);
 420         omap_cfg_reg(F19_1610_KBR1);
 421         omap_cfg_reg(H14_1610_KBR2);
 422         omap_cfg_reg(E20_1610_KBR3);
 423         omap_cfg_reg(E19_1610_KBR4);
 424         omap_cfg_reg(N19_1610_KBR5);
 425
 426         platform_add_devices(devices, ARRAY_SIZE(devices));
 427         spi_register_board_info(h3_spi_board_info,
 428                                 ARRAY_SIZE(h3_spi_board_info));
 429         omap_board_config = h3_config;
 430         omap_board_config_size = ARRAY_SIZE(h3_config);
 431         omap_serial_init();
 432         omap_register_i2c_bus(1, 100, h3_i2c_board_info,
 433                               ARRAY_SIZE(h3_i2c_board_info));
 434         omap1_usb_init(&h3_usb_config);
 435         h3_mmc_init();
 436 }
 437
 438 static void __init h3_init_irq(void)
 439 {
 440         omap1_init_common_hw();
 441         omap1_init_irq();
 442 }
 443
 444 static void __init h3_map_io(void)
 445 {
 446         omap1_map_common_io();
 447 }
 448
 449 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 450         /* Maintainer: Texas Instruments, Inc. */
 451         .atag_offset    = 0x100,
 452         .map_io         = h3_map_io,
 453         .reserve        = omap_reserve,
 454         .init_irq       = h3_init_irq,
 455         .init_machine   = h3_init,
 456         .timer          = &omap1_timer,
 457 MACHINE_END