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 #include <linux/omapfb.h>
  34 #include <linux/platform_data/gpio-omap.h>
  35
  36 #include <asm/setup.h>
  37 #include <asm/page.h>
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41
  42 #include <plat/mux.h>
  43 #include <plat/tc.h>
  44 #include <plat/keypad.h>
  45 #include <plat/dma.h>
  46 #include <plat/flash.h>
  47
  48 #include <mach/hardware.h>
  49 #include <mach/irqs.h>
  50 #include <mach/usb.h>
  51
  52 #include "common.h"
  53 #include "board-h3.h"
  54
  55 /* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
  56 #define OMAP1710_ETHR_START             0x04000300
  57
  58 #define H3_TS_GPIO      48
  59
  60 static const unsigned int h3_keymap[] = {
  61         KEY(0, 0, KEY_LEFT),
  62         KEY(1, 0, KEY_RIGHT),
  63         KEY(2, 0, KEY_3),
  64         KEY(3, 0, KEY_F10),
  65         KEY(4, 0, KEY_F5),
  66         KEY(5, 0, KEY_9),
  67         KEY(0, 1, KEY_DOWN),
  68         KEY(1, 1, KEY_UP),
  69         KEY(2, 1, KEY_2),
  70         KEY(3, 1, KEY_F9),
  71         KEY(4, 1, KEY_F7),
  72         KEY(5, 1, KEY_0),
  73         KEY(0, 2, KEY_ENTER),
  74         KEY(1, 2, KEY_6),
  75         KEY(2, 2, KEY_1),
  76         KEY(3, 2, KEY_F2),
  77         KEY(4, 2, KEY_F6),
  78         KEY(5, 2, KEY_HOME),
  79         KEY(0, 3, KEY_8),
  80         KEY(1, 3, KEY_5),
  81         KEY(2, 3, KEY_F12),
  82         KEY(3, 3, KEY_F3),
  83         KEY(4, 3, KEY_F8),
  84         KEY(5, 3, KEY_END),
  85         KEY(0, 4, KEY_7),
  86         KEY(1, 4, KEY_4),
  87         KEY(2, 4, KEY_F11),
  88         KEY(3, 4, KEY_F1),
  89         KEY(4, 4, KEY_F4),
  90         KEY(5, 4, KEY_ESC),
  91         KEY(0, 5, KEY_F13),
  92         KEY(1, 5, KEY_F14),
  93         KEY(2, 5, KEY_F15),
  94         KEY(3, 5, KEY_F16),
  95         KEY(4, 5, KEY_SLEEP),
  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 #define H3_NAND_RB_GPIO_PIN     10
 186
 187 static int nand_dev_ready(struct mtd_info *mtd)
 188 {
 189         return gpio_get_value(H3_NAND_RB_GPIO_PIN);
 190 }
 191
 192 static struct platform_nand_data nand_platdata = {
 193         .chip   = {
 194                 .nr_chips               = 1,
 195                 .chip_offset            = 0,
 196                 .nr_partitions          = ARRAY_SIZE(nand_partitions),
 197                 .partitions             = nand_partitions,
 198                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 199         },
 200         .ctrl   = {
 201                 .cmd_ctrl       = omap1_nand_cmd_ctl,
 202                 .dev_ready      = nand_dev_ready,
 203
 204         },
 205 };
 206
 207 static struct resource nand_resource = {
 208         .flags          = IORESOURCE_MEM,
 209 };
 210
 211 static struct platform_device nand_device = {
 212         .name           = "gen_nand",
 213         .id             = 0,
 214         .dev            = {
 215                 .platform_data  = &nand_platdata,
 216         },
 217         .num_resources  = 1,
 218         .resource       = &nand_resource,
 219 };
 220
 221 static struct smc91x_platdata smc91x_info = {
 222         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 223         .leda   = RPC_LED_100_10,
 224         .ledb   = RPC_LED_TX_RX,
 225 };
 226
 227 static struct resource smc91x_resources[] = {
 228         [0] = {
 229                 .start  = OMAP1710_ETHR_START,          /* Physical */
 230                 .end    = OMAP1710_ETHR_START + 0xf,
 231                 .flags  = IORESOURCE_MEM,
 232         },
 233         [1] = {
 234                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 235         },
 236 };
 237
 238 static struct platform_device smc91x_device = {
 239         .name           = "smc91x",
 240         .id             = 0,
 241         .dev    = {
 242                 .platform_data  = &smc91x_info,
 243         },
 244         .num_resources  = ARRAY_SIZE(smc91x_resources),
 245         .resource       = smc91x_resources,
 246 };
 247
 248 static void __init h3_init_smc91x(void)
 249 {
 250         omap_cfg_reg(W15_1710_GPIO40);
 251         if (gpio_request(40, "SMC91x irq") < 0) {
 252                 printk("Error requesting gpio 40 for smc91x irq\n");
 253                 return;
 254         }
 255 }
 256
 257 #define GPTIMER_BASE            0xFFFB1400
 258 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
 259 #define GPTIMER_REGS_SIZE       0x46
 260
 261 static struct resource intlat_resources[] = {
 262         [0] = {
 263                 .start  = GPTIMER_REGS(0),            /* Physical */
 264                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
 265                 .flags  = IORESOURCE_MEM,
 266         },
 267         [1] = {
 268                 .start  = INT_1610_GPTIMER1,
 269                 .end    = INT_1610_GPTIMER1,
 270                 .flags  = IORESOURCE_IRQ,
 271         },
 272 };
 273
 274 static struct platform_device intlat_device = {
 275         .name      = "omap_intlat",
 276         .id          = 0,
 277         .num_resources  = ARRAY_SIZE(intlat_resources),
 278         .resource       = intlat_resources,
 279 };
 280
 281 static struct resource h3_kp_resources[] = {
 282         [0] = {
 283                 .start  = INT_KEYBOARD,
 284                 .end    = INT_KEYBOARD,
 285                 .flags  = IORESOURCE_IRQ,
 286         },
 287 };
 288
 289 static const struct matrix_keymap_data h3_keymap_data = {
 290         .keymap         = h3_keymap,
 291         .keymap_size    = ARRAY_SIZE(h3_keymap),
 292 };
 293
 294 static struct omap_kp_platform_data h3_kp_data = {
 295         .rows           = 8,
 296         .cols           = 8,
 297         .keymap_data    = &h3_keymap_data,
 298         .rep            = true,
 299         .delay          = 9,
 300         .dbounce        = true,
 301 };
 302
 303 static struct platform_device h3_kp_device = {
 304         .name           = "omap-keypad",
 305         .id             = -1,
 306         .dev            = {
 307                 .platform_data = &h3_kp_data,
 308         },
 309         .num_resources  = ARRAY_SIZE(h3_kp_resources),
 310         .resource       = h3_kp_resources,
 311 };
 312
 313 static struct platform_device h3_lcd_device = {
 314         .name           = "lcd_h3",
 315         .id             = -1,
 316 };
 317
 318 static struct spi_board_info h3_spi_board_info[] __initdata = {
 319         [0] = {
 320                 .modalias       = "tsc2101",
 321                 .bus_num        = 2,
 322                 .chip_select    = 0,
 323                 .max_speed_hz   = 16000000,
 324                 /* .platform_data       = &tsc_platform_data, */
 325         },
 326 };
 327
 328 static struct platform_device *devices[] __initdata = {
 329         &nor_device,
 330         &nand_device,
 331         &smc91x_device,
 332         &intlat_device,
 333         &h3_kp_device,
 334         &h3_lcd_device,
 335 };
 336
 337 static struct omap_usb_config h3_usb_config __initdata = {
 338         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 339         .otg        = 2,
 340
 341 #ifdef CONFIG_USB_GADGET_OMAP
 342         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 343 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 344         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 345         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 346 #endif
 347
 348         .pins[1]        = 3,
 349 };
 350
 351 static struct omap_lcd_config h3_lcd_config __initdata = {
 352         .ctrl_name      = "internal",
 353 };
 354
 355 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
 356        {
 357                 I2C_BOARD_INFO("tps65013", 0x48),
 358        },
 359         {
 360                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 361         },
 362 };
 363
 364 static void __init h3_init(void)
 365 {
 366         h3_init_smc91x();
 367
 368         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 369          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 370          * notice whether a NAND chip is enabled at probe time.
 371          *
 372          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
 373          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
 374          * to avoid probing every possible flash configuration...
 375          */
 376         nor_resource.end = nor_resource.start = omap_cs3_phys();
 377         nor_resource.end += SZ_32M - 1;
 378
 379         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
 380         nand_resource.end += SZ_4K - 1;
 381         if (gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 382                 BUG();
 383         gpio_direction_input(H3_NAND_RB_GPIO_PIN);
 384
 385         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
 386         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
 387         omap_cfg_reg(V2_1710_GPIO10);
 388
 389         /* Mux pins for keypad */
 390         omap_cfg_reg(F18_1610_KBC0);
 391         omap_cfg_reg(D20_1610_KBC1);
 392         omap_cfg_reg(D19_1610_KBC2);
 393         omap_cfg_reg(E18_1610_KBC3);
 394         omap_cfg_reg(C21_1610_KBC4);
 395         omap_cfg_reg(G18_1610_KBR0);
 396         omap_cfg_reg(F19_1610_KBR1);
 397         omap_cfg_reg(H14_1610_KBR2);
 398         omap_cfg_reg(E20_1610_KBR3);
 399         omap_cfg_reg(E19_1610_KBR4);
 400         omap_cfg_reg(N19_1610_KBR5);
 401
 402         smc91x_resources[1].start = gpio_to_irq(40);
 403         smc91x_resources[1].end = gpio_to_irq(40);
 404         platform_add_devices(devices, ARRAY_SIZE(devices));
 405         h3_spi_board_info[0].irq = gpio_to_irq(H3_TS_GPIO);
 406         spi_register_board_info(h3_spi_board_info,
 407                                 ARRAY_SIZE(h3_spi_board_info));
 408         omap_serial_init();
 409         h3_i2c_board_info[1].irq = gpio_to_irq(14);
 410         omap_register_i2c_bus(1, 100, h3_i2c_board_info,
 411                               ARRAY_SIZE(h3_i2c_board_info));
 412         omap1_usb_init(&h3_usb_config);
 413         h3_mmc_init();
 414
 415         omapfb_set_lcd_config(&h3_lcd_config);
 416 }
 417
 418 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 419         /* Maintainer: Texas Instruments, Inc. */
 420         .atag_offset    = 0x100,
 421         .map_io         = omap16xx_map_io,
 422         .init_early     = omap1_init_early,
 423         .reserve        = omap_reserve,
 424         .init_irq       = omap1_init_irq,
 425         .init_machine   = h3_init,
 426         .init_late      = omap1_init_late,
 427         .timer          = &omap1_timer,
 428         .restart        = omap1_restart,
 429 MACHINE_END