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   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/input.h>
  29 #include <linux/spi/spi.h>
  30 #include <linux/i2c/tps65010.h>
  31
  32 #include <asm/setup.h>
  33 #include <asm/page.h>
  34 #include <mach/hardware.h>
  35 #include <asm/gpio.h>
  36
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/flash.h>
  40 #include <asm/mach/map.h>
  41
  42 #include <mach/irqs.h>
  43 #include <mach/mux.h>
  44 #include <mach/tc.h>
  45 #include <mach/nand.h>
  46 #include <mach/usb.h>
  47 #include <mach/keypad.h>
  48 #include <mach/dma.h>
  49 #include <mach/common.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 int h3_keymap[] = {
  59         KEY(0, 0, KEY_LEFT),
  60         KEY(0, 1, KEY_RIGHT),
  61         KEY(0, 2, KEY_3),
  62         KEY(0, 3, KEY_F10),
  63         KEY(0, 4, KEY_F5),
  64         KEY(0, 5, KEY_9),
  65         KEY(1, 0, KEY_DOWN),
  66         KEY(1, 1, KEY_UP),
  67         KEY(1, 2, KEY_2),
  68         KEY(1, 3, KEY_F9),
  69         KEY(1, 4, KEY_F7),
  70         KEY(1, 5, KEY_0),
  71         KEY(2, 0, KEY_ENTER),
  72         KEY(2, 1, KEY_6),
  73         KEY(2, 2, KEY_1),
  74         KEY(2, 3, KEY_F2),
  75         KEY(2, 4, KEY_F6),
  76         KEY(2, 5, KEY_HOME),
  77         KEY(3, 0, KEY_8),
  78         KEY(3, 1, KEY_5),
  79         KEY(3, 2, KEY_F12),
  80         KEY(3, 3, KEY_F3),
  81         KEY(3, 4, KEY_F8),
  82         KEY(3, 5, KEY_END),
  83         KEY(4, 0, KEY_7),
  84         KEY(4, 1, KEY_4),
  85         KEY(4, 2, KEY_F11),
  86         KEY(4, 3, KEY_F1),
  87         KEY(4, 4, KEY_F4),
  88         KEY(4, 5, KEY_ESC),
  89         KEY(5, 0, KEY_F13),
  90         KEY(5, 1, KEY_F14),
  91         KEY(5, 2, KEY_F15),
  92         KEY(5, 3, KEY_F16),
  93         KEY(5, 4, KEY_SLEEP),
  94         0
  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 flash_platform_data nor_data = {
 130         .map_name       = "cfi_probe",
 131         .width          = 2,
 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           = "omapflash",
 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 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
 185 static struct omap_nand_platform_data nand_data = {
 186         .options        = NAND_SAMSUNG_LP_OPTIONS,
 187         .parts          = nand_partitions,
 188         .nr_parts       = ARRAY_SIZE(nand_partitions),
 189 };
 190
 191 static struct resource nand_resource = {
 192         .flags          = IORESOURCE_MEM,
 193 };
 194
 195 static struct platform_device nand_device = {
 196         .name           = "omapnand",
 197         .id             = 0,
 198         .dev            = {
 199                 .platform_data  = &nand_data,
 200         },
 201         .num_resources  = 1,
 202         .resource       = &nand_resource,
 203 };
 204
 205 static struct resource smc91x_resources[] = {
 206         [0] = {
 207                 .start  = OMAP1710_ETHR_START,          /* Physical */
 208                 .end    = OMAP1710_ETHR_START + 0xf,
 209                 .flags  = IORESOURCE_MEM,
 210         },
 211         [1] = {
 212                 .start  = OMAP_GPIO_IRQ(40),
 213                 .end    = OMAP_GPIO_IRQ(40),
 214                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 215         },
 216 };
 217
 218 static struct platform_device smc91x_device = {
 219         .name           = "smc91x",
 220         .id             = 0,
 221         .num_resources  = ARRAY_SIZE(smc91x_resources),
 222         .resource       = smc91x_resources,
 223 };
 224
 225 #define GPTIMER_BASE            0xFFFB1400
 226 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
 227 #define GPTIMER_REGS_SIZE       0x46
 228
 229 static struct resource intlat_resources[] = {
 230         [0] = {
 231                 .start  = GPTIMER_REGS(0),            /* Physical */
 232                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
 233                 .flags  = IORESOURCE_MEM,
 234         },
 235         [1] = {
 236                 .start  = INT_1610_GPTIMER1,
 237                 .end    = INT_1610_GPTIMER1,
 238                 .flags  = IORESOURCE_IRQ,
 239         },
 240 };
 241
 242 static struct platform_device intlat_device = {
 243         .name      = "omap_intlat",
 244         .id          = 0,
 245         .num_resources  = ARRAY_SIZE(intlat_resources),
 246         .resource       = intlat_resources,
 247 };
 248
 249 static struct resource h3_kp_resources[] = {
 250         [0] = {
 251                 .start  = INT_KEYBOARD,
 252                 .end    = INT_KEYBOARD,
 253                 .flags  = IORESOURCE_IRQ,
 254         },
 255 };
 256
 257 static struct omap_kp_platform_data h3_kp_data = {
 258         .rows           = 8,
 259         .cols           = 8,
 260         .keymap         = h3_keymap,
 261         .keymapsize     = ARRAY_SIZE(h3_keymap),
 262         .rep            = 1,
 263         .delay          = 9,
 264         .dbounce        = 1,
 265 };
 266
 267 static struct platform_device h3_kp_device = {
 268         .name           = "omap-keypad",
 269         .id             = -1,
 270         .dev            = {
 271                 .platform_data = &h3_kp_data,
 272         },
 273         .num_resources  = ARRAY_SIZE(h3_kp_resources),
 274         .resource       = h3_kp_resources,
 275 };
 276
 277 static struct platform_device h3_lcd_device = {
 278         .name           = "lcd_h3",
 279         .id             = -1,
 280 };
 281
 282 static struct spi_board_info h3_spi_board_info[] __initdata = {
 283         [0] = {
 284                 .modalias       = "tsc2101",
 285                 .bus_num        = 2,
 286                 .chip_select    = 0,
 287                 .irq            = OMAP_GPIO_IRQ(H3_TS_GPIO),
 288                 .max_speed_hz   = 16000000,
 289                 /* .platform_data       = &tsc_platform_data, */
 290         },
 291 };
 292
 293 static struct platform_device *devices[] __initdata = {
 294         &nor_device,
 295         &nand_device,
 296         &smc91x_device,
 297         &intlat_device,
 298         &h3_kp_device,
 299         &h3_lcd_device,
 300 };
 301
 302 static struct omap_usb_config h3_usb_config __initdata = {
 303         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 304         .otg        = 2,
 305
 306 #ifdef CONFIG_USB_GADGET_OMAP
 307         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 308 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 309         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 310         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 311 #endif
 312
 313         .pins[1]        = 3,
 314 };
 315
 316 static struct omap_uart_config h3_uart_config __initdata = {
 317         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 318 };
 319
 320 static struct omap_lcd_config h3_lcd_config __initdata = {
 321         .ctrl_name      = "internal",
 322 };
 323
 324 static struct omap_board_config_kernel h3_config[] __initdata = {
 325         { OMAP_TAG_UART,        &h3_uart_config },
 326         { OMAP_TAG_LCD,         &h3_lcd_config },
 327 };
 328
 329 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
 330        {
 331                 I2C_BOARD_INFO("tps65013", 0x48),
 332                /* .irq         = OMAP_GPIO_IRQ(??), */
 333        },
 334         {
 335                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 336                 .irq            = OMAP_GPIO_IRQ(14),
 337         },
 338 };
 339
 340 #define H3_NAND_RB_GPIO_PIN     10
 341
 342 static int nand_dev_ready(struct omap_nand_platform_data *data)
 343 {
 344         return gpio_get_value(H3_NAND_RB_GPIO_PIN);
 345 }
 346
 347 static void __init h3_init(void)
 348 {
 349         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 350          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 351          * notice whether a NAND chip is enabled at probe time.
 352          *
 353          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
 354          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
 355          * to avoid probing every possible flash configuration...
 356          */
 357         nor_resource.end = nor_resource.start = omap_cs3_phys();
 358         nor_resource.end += SZ_32M - 1;
 359
 360         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
 361         nand_resource.end += SZ_4K - 1;
 362         if (gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 363                 BUG();
 364         nand_data.dev_ready = nand_dev_ready;
 365
 366         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
 367         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
 368         omap_cfg_reg(V2_1710_GPIO10);
 369
 370         platform_add_devices(devices, ARRAY_SIZE(devices));
 371         spi_register_board_info(h3_spi_board_info,
 372                                 ARRAY_SIZE(h3_spi_board_info));
 373         omap_board_config = h3_config;
 374         omap_board_config_size = ARRAY_SIZE(h3_config);
 375         omap_serial_init();
 376         omap_register_i2c_bus(1, 100, h3_i2c_board_info,
 377                               ARRAY_SIZE(h3_i2c_board_info));
 378         omap_usb_init(&h3_usb_config);
 379         h3_mmc_init();
 380 }
 381
 382 static void __init h3_init_smc91x(void)
 383 {
 384         omap_cfg_reg(W15_1710_GPIO40);
 385         if (gpio_request(40, "SMC91x irq") < 0) {
 386                 printk("Error requesting gpio 40 for smc91x irq\n");
 387                 return;
 388         }
 389 }
 390
 391 static void __init h3_init_irq(void)
 392 {
 393         omap1_init_common_hw();
 394         omap_init_irq();
 395         omap_gpio_init();
 396         h3_init_smc91x();
 397 }
 398
 399 static void __init h3_map_io(void)
 400 {
 401         omap1_map_common_io();
 402 }
 403
 404 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 405         /* Maintainer: Texas Instruments, Inc. */
 406         .phys_io        = 0xfff00000,
 407         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 408         .boot_params    = 0x10000100,
 409         .map_io         = h3_map_io,
 410         .init_irq       = h3_init_irq,
 411         .init_machine   = h3_init,
 412         .timer          = &omap_timer,
 413 MACHINE_END