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 #if 0
 154         /* REVISIT: enable these partitions if you make NAND BOOT work */
 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 static void nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 186 {
 187         struct nand_chip *this = mtd->priv;
 188         unsigned long mask;
 189
 190         if (cmd == NAND_CMD_NONE)
 191                 return;
 192
 193         mask = (ctrl & NAND_CLE) ? 0x02 : 0;
 194         if (ctrl & NAND_ALE)
 195                 mask |= 0x04;
 196         writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
 197 }
 198
 199 #define H3_NAND_RB_GPIO_PIN     10
 200
 201 static int nand_dev_ready(struct mtd_info *mtd)
 202 {
 203         return gpio_get_value(H3_NAND_RB_GPIO_PIN);
 204 }
 205
 206 static const char *part_probes[] = { "cmdlinepart", NULL };
 207
 208 struct platform_nand_data nand_platdata = {
 209         .chip   = {
 210                 .nr_chips               = 1,
 211                 .chip_offset            = 0,
 212                 .nr_partitions          = ARRAY_SIZE(nand_partitions),
 213                 .partitions             = nand_partitions,
 214                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 215                 .part_probe_types       = part_probes,
 216         },
 217         .ctrl   = {
 218                 .cmd_ctrl       = nand_cmd_ctl,
 219                 .dev_ready      = nand_dev_ready,
 220
 221         },
 222 };
 223
 224 static struct resource nand_resource = {
 225         .flags          = IORESOURCE_MEM,
 226 };
 227
 228 static struct platform_device nand_device = {
 229         .name           = "gen_nand",
 230         .id             = 0,
 231         .dev            = {
 232                 .platform_data  = &nand_platdata,
 233         },
 234         .num_resources  = 1,
 235         .resource       = &nand_resource,
 236 };
 237
 238 static struct smc91x_platdata smc91x_info = {
 239         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 240         .leda   = RPC_LED_100_10,
 241         .ledb   = RPC_LED_TX_RX,
 242 };
 243
 244 static struct resource smc91x_resources[] = {
 245         [0] = {
 246                 .start  = OMAP1710_ETHR_START,          /* Physical */
 247                 .end    = OMAP1710_ETHR_START + 0xf,
 248                 .flags  = IORESOURCE_MEM,
 249         },
 250         [1] = {
 251                 .start  = OMAP_GPIO_IRQ(40),
 252                 .end    = OMAP_GPIO_IRQ(40),
 253                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 254         },
 255 };
 256
 257 static struct platform_device smc91x_device = {
 258         .name           = "smc91x",
 259         .id             = 0,
 260         .dev    = {
 261                 .platform_data  = &smc91x_info,
 262         },
 263         .num_resources  = ARRAY_SIZE(smc91x_resources),
 264         .resource       = smc91x_resources,
 265 };
 266
 267 #define GPTIMER_BASE            0xFFFB1400
 268 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
 269 #define GPTIMER_REGS_SIZE       0x46
 270
 271 static struct resource intlat_resources[] = {
 272         [0] = {
 273                 .start  = GPTIMER_REGS(0),            /* Physical */
 274                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
 275                 .flags  = IORESOURCE_MEM,
 276         },
 277         [1] = {
 278                 .start  = INT_1610_GPTIMER1,
 279                 .end    = INT_1610_GPTIMER1,
 280                 .flags  = IORESOURCE_IRQ,
 281         },
 282 };
 283
 284 static struct platform_device intlat_device = {
 285         .name      = "omap_intlat",
 286         .id          = 0,
 287         .num_resources  = ARRAY_SIZE(intlat_resources),
 288         .resource       = intlat_resources,
 289 };
 290
 291 static struct resource h3_kp_resources[] = {
 292         [0] = {
 293                 .start  = INT_KEYBOARD,
 294                 .end    = INT_KEYBOARD,
 295                 .flags  = IORESOURCE_IRQ,
 296         },
 297 };
 298
 299 static struct omap_kp_platform_data h3_kp_data = {
 300         .rows           = 8,
 301         .cols           = 8,
 302         .keymap         = h3_keymap,
 303         .keymapsize     = ARRAY_SIZE(h3_keymap),
 304         .rep            = 1,
 305         .delay          = 9,
 306         .dbounce        = 1,
 307 };
 308
 309 static struct platform_device h3_kp_device = {
 310         .name           = "omap-keypad",
 311         .id             = -1,
 312         .dev            = {
 313                 .platform_data = &h3_kp_data,
 314         },
 315         .num_resources  = ARRAY_SIZE(h3_kp_resources),
 316         .resource       = h3_kp_resources,
 317 };
 318
 319 static struct platform_device h3_lcd_device = {
 320         .name           = "lcd_h3",
 321         .id             = -1,
 322 };
 323
 324 static struct spi_board_info h3_spi_board_info[] __initdata = {
 325         [0] = {
 326                 .modalias       = "tsc2101",
 327                 .bus_num        = 2,
 328                 .chip_select    = 0,
 329                 .irq            = OMAP_GPIO_IRQ(H3_TS_GPIO),
 330                 .max_speed_hz   = 16000000,
 331                 /* .platform_data       = &tsc_platform_data, */
 332         },
 333 };
 334
 335 static struct platform_device *devices[] __initdata = {
 336         &nor_device,
 337         &nand_device,
 338         &smc91x_device,
 339         &intlat_device,
 340         &h3_kp_device,
 341         &h3_lcd_device,
 342 };
 343
 344 static struct omap_usb_config h3_usb_config __initdata = {
 345         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 346         .otg        = 2,
 347
 348 #ifdef CONFIG_USB_GADGET_OMAP
 349         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 350 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 351         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 352         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 353 #endif
 354
 355         .pins[1]        = 3,
 356 };
 357
 358 static struct omap_lcd_config h3_lcd_config __initdata = {
 359         .ctrl_name      = "internal",
 360 };
 361
 362 static struct omap_board_config_kernel h3_config[] __initdata = {
 363         { OMAP_TAG_LCD,         &h3_lcd_config },
 364 };
 365
 366 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
 367        {
 368                 I2C_BOARD_INFO("tps65013", 0x48),
 369                /* .irq         = OMAP_GPIO_IRQ(??), */
 370        },
 371         {
 372                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 373                 .irq            = OMAP_GPIO_IRQ(14),
 374         },
 375 };
 376
 377 static void __init h3_init(void)
 378 {
 379         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 380          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 381          * notice whether a NAND chip is enabled at probe time.
 382          *
 383          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
 384          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
 385          * to avoid probing every possible flash configuration...
 386          */
 387         nor_resource.end = nor_resource.start = omap_cs3_phys();
 388         nor_resource.end += SZ_32M - 1;
 389
 390         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
 391         nand_resource.end += SZ_4K - 1;
 392         if (gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 393                 BUG();
 394         gpio_direction_input(H3_NAND_RB_GPIO_PIN);
 395
 396         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
 397         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
 398         omap_cfg_reg(V2_1710_GPIO10);
 399
 400         platform_add_devices(devices, ARRAY_SIZE(devices));
 401         spi_register_board_info(h3_spi_board_info,
 402                                 ARRAY_SIZE(h3_spi_board_info));
 403         omap_board_config = h3_config;
 404         omap_board_config_size = ARRAY_SIZE(h3_config);
 405         omap_serial_init();
 406         omap_register_i2c_bus(1, 100, h3_i2c_board_info,
 407                               ARRAY_SIZE(h3_i2c_board_info));
 408         omap_usb_init(&h3_usb_config);
 409         h3_mmc_init();
 410 }
 411
 412 static void __init h3_init_smc91x(void)
 413 {
 414         omap_cfg_reg(W15_1710_GPIO40);
 415         if (gpio_request(40, "SMC91x irq") < 0) {
 416                 printk("Error requesting gpio 40 for smc91x irq\n");
 417                 return;
 418         }
 419 }
 420
 421 static void __init h3_init_irq(void)
 422 {
 423         omap1_init_common_hw();
 424         omap_init_irq();
 425         omap_gpio_init();
 426         h3_init_smc91x();
 427 }
 428
 429 static void __init h3_map_io(void)
 430 {
 431         omap1_map_common_io();
 432 }
 433
 434 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 435         /* Maintainer: Texas Instruments, Inc. */
 436         .phys_io        = 0xfff00000,
 437         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 438         .boot_params    = 0x10000100,
 439         .map_io         = h3_map_io,
 440         .reserve        = omap_reserve,
 441         .init_irq       = h3_init_irq,
 442         .init_machine   = h3_init,
 443         .timer          = &omap_timer,
 444 MACHINE_END