release/src-rt-6.x.4708/linux/linux-2.6.36/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 int h3_keymap[] = {
  60         KEY(0, 0, KEY_LEFT),
  61         KEY(0, 1, KEY_RIGHT),
  62         KEY(0, 2, KEY_3),
  63         KEY(0, 3, KEY_F10),
  64         KEY(0, 4, KEY_F5),
  65         KEY(0, 5, KEY_9),
  66         KEY(1, 0, KEY_DOWN),
  67         KEY(1, 1, KEY_UP),
  68         KEY(1, 2, KEY_2),
  69         KEY(1, 3, KEY_F9),
  70         KEY(1, 4, KEY_F7),
  71         KEY(1, 5, KEY_0),
  72         KEY(2, 0, KEY_ENTER),
  73         KEY(2, 1, KEY_6),
  74         KEY(2, 2, KEY_1),
  75         KEY(2, 3, KEY_F2),
  76         KEY(2, 4, KEY_F6),
  77         KEY(2, 5, KEY_HOME),
  78         KEY(3, 0, KEY_8),
  79         KEY(3, 1, KEY_5),
  80         KEY(3, 2, KEY_F12),
  81         KEY(3, 3, KEY_F3),
  82         KEY(3, 4, KEY_F8),
  83         KEY(3, 5, KEY_END),
  84         KEY(4, 0, KEY_7),
  85         KEY(4, 1, KEY_4),
  86         KEY(4, 2, KEY_F11),
  87         KEY(4, 3, KEY_F1),
  88         KEY(4, 4, KEY_F4),
  89         KEY(4, 5, KEY_ESC),
  90         KEY(5, 0, KEY_F13),
  91         KEY(5, 1, KEY_F14),
  92         KEY(5, 2, KEY_F15),
  93         KEY(5, 3, KEY_F16),
  94         KEY(5, 4, KEY_SLEEP),
  95         0
  96 };
  97
  98
  99 static struct mtd_partition nor_partitions[] = {
 100         /* bootloader (U-Boot, etc) in first sector */
 101         {
 102               .name             = "bootloader",
 103               .offset           = 0,
 104               .size             = SZ_128K,
 105               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 106         },
 107         /* bootloader params in the next sector */
 108         {
 109               .name             = "params",
 110               .offset           = MTDPART_OFS_APPEND,
 111               .size             = SZ_128K,
 112               .mask_flags       = 0,
 113         },
 114         /* kernel */
 115         {
 116               .name             = "kernel",
 117               .offset           = MTDPART_OFS_APPEND,
 118               .size             = SZ_2M,
 119               .mask_flags       = 0
 120         },
 121         /* file system */
 122         {
 123               .name             = "filesystem",
 124               .offset           = MTDPART_OFS_APPEND,
 125               .size             = MTDPART_SIZ_FULL,
 126               .mask_flags       = 0
 127         }
 128 };
 129
 130 static struct physmap_flash_data nor_data = {
 131         .width          = 2,
 132         .set_vpp        = omap1_set_vpp,
 133         .parts          = nor_partitions,
 134         .nr_parts       = ARRAY_SIZE(nor_partitions),
 135 };
 136
 137 static struct resource nor_resource = {
 138         /* This is on CS3, wherever it's mapped */
 139         .flags          = IORESOURCE_MEM,
 140 };
 141
 142 static struct platform_device nor_device = {
 143         .name           = "physmap-flash",
 144         .id             = 0,
 145         .dev            = {
 146                 .platform_data  = &nor_data,
 147         },
 148         .num_resources  = 1,
 149         .resource       = &nor_resource,
 150 };
 151
 152 static struct mtd_partition nand_partitions[] = {
 153         {
 154                 .name           = "filesystem",
 155                 .size           = MTDPART_SIZ_FULL,
 156                 .offset         = MTDPART_OFS_APPEND,
 157         },
 158 };
 159
 160 static void nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 161 {
 162         struct nand_chip *this = mtd->priv;
 163         unsigned long mask;
 164
 165         if (cmd == NAND_CMD_NONE)
 166                 return;
 167
 168         mask = (ctrl & NAND_CLE) ? 0x02 : 0;
 169         if (ctrl & NAND_ALE)
 170                 mask |= 0x04;
 171         writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
 172 }
 173
 174 #define H3_NAND_RB_GPIO_PIN     10
 175
 176 static int nand_dev_ready(struct mtd_info *mtd)
 177 {
 178         return gpio_get_value(H3_NAND_RB_GPIO_PIN);
 179 }
 180
 181 static const char *part_probes[] = { "cmdlinepart", NULL };
 182
 183 struct platform_nand_data nand_platdata = {
 184         .chip   = {
 185                 .nr_chips               = 1,
 186                 .chip_offset            = 0,
 187                 .nr_partitions          = ARRAY_SIZE(nand_partitions),
 188                 .partitions             = nand_partitions,
 189                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 190                 .part_probe_types       = part_probes,
 191         },
 192         .ctrl   = {
 193                 .cmd_ctrl       = nand_cmd_ctl,
 194                 .dev_ready      = nand_dev_ready,
 195
 196         },
 197 };
 198
 199 static struct resource nand_resource = {
 200         .flags          = IORESOURCE_MEM,
 201 };
 202
 203 static struct platform_device nand_device = {
 204         .name           = "gen_nand",
 205         .id             = 0,
 206         .dev            = {
 207                 .platform_data  = &nand_platdata,
 208         },
 209         .num_resources  = 1,
 210         .resource       = &nand_resource,
 211 };
 212
 213 static struct smc91x_platdata smc91x_info = {
 214         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 215         .leda   = RPC_LED_100_10,
 216         .ledb   = RPC_LED_TX_RX,
 217 };
 218
 219 static struct resource smc91x_resources[] = {
 220         [0] = {
 221                 .start  = OMAP1710_ETHR_START,          /* Physical */
 222                 .end    = OMAP1710_ETHR_START + 0xf,
 223                 .flags  = IORESOURCE_MEM,
 224         },
 225         [1] = {
 226                 .start  = OMAP_GPIO_IRQ(40),
 227                 .end    = OMAP_GPIO_IRQ(40),
 228                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 229         },
 230 };
 231
 232 static struct platform_device smc91x_device = {
 233         .name           = "smc91x",
 234         .id             = 0,
 235         .dev    = {
 236                 .platform_data  = &smc91x_info,
 237         },
 238         .num_resources  = ARRAY_SIZE(smc91x_resources),
 239         .resource       = smc91x_resources,
 240 };
 241
 242 #define GPTIMER_BASE            0xFFFB1400
 243 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
 244 #define GPTIMER_REGS_SIZE       0x46
 245
 246 static struct resource intlat_resources[] = {
 247         [0] = {
 248                 .start  = GPTIMER_REGS(0),            /* Physical */
 249                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
 250                 .flags  = IORESOURCE_MEM,
 251         },
 252         [1] = {
 253                 .start  = INT_1610_GPTIMER1,
 254                 .end    = INT_1610_GPTIMER1,
 255                 .flags  = IORESOURCE_IRQ,
 256         },
 257 };
 258
 259 static struct platform_device intlat_device = {
 260         .name      = "omap_intlat",
 261         .id          = 0,
 262         .num_resources  = ARRAY_SIZE(intlat_resources),
 263         .resource       = intlat_resources,
 264 };
 265
 266 static struct resource h3_kp_resources[] = {
 267         [0] = {
 268                 .start  = INT_KEYBOARD,
 269                 .end    = INT_KEYBOARD,
 270                 .flags  = IORESOURCE_IRQ,
 271         },
 272 };
 273
 274 static struct omap_kp_platform_data h3_kp_data = {
 275         .rows           = 8,
 276         .cols           = 8,
 277         .keymap         = h3_keymap,
 278         .keymapsize     = ARRAY_SIZE(h3_keymap),
 279         .rep            = 1,
 280         .delay          = 9,
 281         .dbounce        = 1,
 282 };
 283
 284 static struct platform_device h3_kp_device = {
 285         .name           = "omap-keypad",
 286         .id             = -1,
 287         .dev            = {
 288                 .platform_data = &h3_kp_data,
 289         },
 290         .num_resources  = ARRAY_SIZE(h3_kp_resources),
 291         .resource       = h3_kp_resources,
 292 };
 293
 294 static struct platform_device h3_lcd_device = {
 295         .name           = "lcd_h3",
 296         .id             = -1,
 297 };
 298
 299 static struct spi_board_info h3_spi_board_info[] __initdata = {
 300         [0] = {
 301                 .modalias       = "tsc2101",
 302                 .bus_num        = 2,
 303                 .chip_select    = 0,
 304                 .irq            = OMAP_GPIO_IRQ(H3_TS_GPIO),
 305                 .max_speed_hz   = 16000000,
 306                 /* .platform_data       = &tsc_platform_data, */
 307         },
 308 };
 309
 310 static struct platform_device *devices[] __initdata = {
 311         &nor_device,
 312         &nand_device,
 313         &smc91x_device,
 314         &intlat_device,
 315         &h3_kp_device,
 316         &h3_lcd_device,
 317 };
 318
 319 static struct omap_usb_config h3_usb_config __initdata = {
 320         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 321         .otg        = 2,
 322
 323 #ifdef CONFIG_USB_GADGET_OMAP
 324         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 325 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 326         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 327         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 328 #endif
 329
 330         .pins[1]        = 3,
 331 };
 332
 333 static struct omap_lcd_config h3_lcd_config __initdata = {
 334         .ctrl_name      = "internal",
 335 };
 336
 337 static struct omap_board_config_kernel h3_config[] __initdata = {
 338         { OMAP_TAG_LCD,         &h3_lcd_config },
 339 };
 340
 341 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
 342        {
 343                 I2C_BOARD_INFO("tps65013", 0x48),
 344                /* .irq         = OMAP_GPIO_IRQ(??), */
 345        },
 346         {
 347                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 348                 .irq            = OMAP_GPIO_IRQ(14),
 349         },
 350 };
 351
 352 static void __init h3_init(void)
 353 {
 354         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 355          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 356          * notice whether a NAND chip is enabled at probe time.
 357          *
 358          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
 359          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
 360          * to avoid probing every possible flash configuration...
 361          */
 362         nor_resource.end = nor_resource.start = omap_cs3_phys();
 363         nor_resource.end += SZ_32M - 1;
 364
 365         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
 366         nand_resource.end += SZ_4K - 1;
 367         if (gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 368                 BUG();
 369         gpio_direction_input(H3_NAND_RB_GPIO_PIN);
 370
 371         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
 372         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
 373         omap_cfg_reg(V2_1710_GPIO10);
 374
 375         /* Mux pins for keypad */
 376         omap_cfg_reg(F18_1610_KBC0);
 377         omap_cfg_reg(D20_1610_KBC1);
 378         omap_cfg_reg(D19_1610_KBC2);
 379         omap_cfg_reg(E18_1610_KBC3);
 380         omap_cfg_reg(C21_1610_KBC4);
 381         omap_cfg_reg(G18_1610_KBR0);
 382         omap_cfg_reg(F19_1610_KBR1);
 383         omap_cfg_reg(H14_1610_KBR2);
 384         omap_cfg_reg(E20_1610_KBR3);
 385         omap_cfg_reg(E19_1610_KBR4);
 386         omap_cfg_reg(N19_1610_KBR5);
 387
 388         platform_add_devices(devices, ARRAY_SIZE(devices));
 389         spi_register_board_info(h3_spi_board_info,
 390                                 ARRAY_SIZE(h3_spi_board_info));
 391         omap_board_config = h3_config;
 392         omap_board_config_size = ARRAY_SIZE(h3_config);
 393         omap_serial_init();
 394         omap_register_i2c_bus(1, 100, h3_i2c_board_info,
 395                               ARRAY_SIZE(h3_i2c_board_info));
 396         omap1_usb_init(&h3_usb_config);
 397         h3_mmc_init();
 398 }
 399
 400 static void __init h3_init_smc91x(void)
 401 {
 402         omap_cfg_reg(W15_1710_GPIO40);
 403         if (gpio_request(40, "SMC91x irq") < 0) {
 404                 printk("Error requesting gpio 40 for smc91x irq\n");
 405                 return;
 406         }
 407 }
 408
 409 static void __init h3_init_irq(void)
 410 {
 411         omap1_init_common_hw();
 412         omap_init_irq();
 413         omap_gpio_init();
 414         h3_init_smc91x();
 415 }
 416
 417 static void __init h3_map_io(void)
 418 {
 419         omap1_map_common_io();
 420 }
 421
 422 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 423         /* Maintainer: Texas Instruments, Inc. */
 424         .phys_io        = 0xfff00000,
 425         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 426         .boot_params    = 0x10000100,
 427         .map_io         = h3_map_io,
 428         .reserve        = omap_reserve,
 429         .init_irq       = h3_init_irq,
 430         .init_machine   = h3_init,
 431         .timer          = &omap_timer,
 432 MACHINE_END