arch/arm/mach-omap1/board-h2.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-h2.c
   3  *
   4  * Board specific inits for OMAP-1610 H2
   5  *
   6  * Copyright (C) 2001 RidgeRun, Inc.
   7  * Author: Greg Lonnon <glonnon@ridgerun.com>
   8  *
   9  * Copyright (C) 2002 MontaVista Software, Inc.
  10  *
  11  * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
  12  * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
  13  *
  14  * H2 specific changes and cleanup
  15  * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
  16  *
  17  * This program is free software; you can redistribute it and/or modify
  18  * it under the terms of the GNU General Public License version 2 as
  19  * published by the Free Software Foundation.
  20  */
  21
  22 #include <linux/kernel.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/delay.h>
  25 #include <linux/i2c.h>
  26 #include <linux/mtd/mtd.h>
  27 #include <linux/mtd/nand.h>
  28 #include <linux/mtd/partitions.h>
  29 #include <linux/input.h>
  30 #include <linux/i2c/tps65010.h>
  31
  32 #include <asm/hardware.h>
  33 #include <asm/gpio.h>
  34
  35 #include <asm/mach-types.h>
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/flash.h>
  38 #include <asm/mach/map.h>
  39
  40 #include <asm/arch/mux.h>
  41 #include <asm/arch/tc.h>
  42 #include <asm/arch/nand.h>
  43 #include <asm/arch/irda.h>
  44 #include <asm/arch/usb.h>
  45 #include <asm/arch/keypad.h>
  46 #include <asm/arch/common.h>
  47 #include <asm/arch/mcbsp.h>
  48 #include <asm/arch/omap-alsa.h>
  49
  50 extern int omap_gpio_init(void);
  51
  52 static int h2_keymap[] = {
  53         KEY(0, 0, KEY_LEFT),
  54         KEY(0, 1, KEY_RIGHT),
  55         KEY(0, 2, KEY_3),
  56         KEY(0, 3, KEY_F10),
  57         KEY(0, 4, KEY_F5),
  58         KEY(0, 5, KEY_9),
  59         KEY(1, 0, KEY_DOWN),
  60         KEY(1, 1, KEY_UP),
  61         KEY(1, 2, KEY_2),
  62         KEY(1, 3, KEY_F9),
  63         KEY(1, 4, KEY_F7),
  64         KEY(1, 5, KEY_0),
  65         KEY(2, 0, KEY_ENTER),
  66         KEY(2, 1, KEY_6),
  67         KEY(2, 2, KEY_1),
  68         KEY(2, 3, KEY_F2),
  69         KEY(2, 4, KEY_F6),
  70         KEY(2, 5, KEY_HOME),
  71         KEY(3, 0, KEY_8),
  72         KEY(3, 1, KEY_5),
  73         KEY(3, 2, KEY_F12),
  74         KEY(3, 3, KEY_F3),
  75         KEY(3, 4, KEY_F8),
  76         KEY(3, 5, KEY_END),
  77         KEY(4, 0, KEY_7),
  78         KEY(4, 1, KEY_4),
  79         KEY(4, 2, KEY_F11),
  80         KEY(4, 3, KEY_F1),
  81         KEY(4, 4, KEY_F4),
  82         KEY(4, 5, KEY_ESC),
  83         KEY(5, 0, KEY_F13),
  84         KEY(5, 1, KEY_F14),
  85         KEY(5, 2, KEY_F15),
  86         KEY(5, 3, KEY_F16),
  87         KEY(5, 4, KEY_SLEEP),
  88         0
  89 };
  90
  91 static struct mtd_partition h2_nor_partitions[] = {
  92         /* bootloader (U-Boot, etc) in first sector */
  93         {
  94               .name             = "bootloader",
  95               .offset           = 0,
  96               .size             = SZ_128K,
  97               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  98         },
  99         /* bootloader params in the next sector */
 100         {
 101               .name             = "params",
 102               .offset           = MTDPART_OFS_APPEND,
 103               .size             = SZ_128K,
 104               .mask_flags       = 0,
 105         },
 106         /* kernel */
 107         {
 108               .name             = "kernel",
 109               .offset           = MTDPART_OFS_APPEND,
 110               .size             = SZ_2M,
 111               .mask_flags       = 0
 112         },
 113         /* file system */
 114         {
 115               .name             = "filesystem",
 116               .offset           = MTDPART_OFS_APPEND,
 117               .size             = MTDPART_SIZ_FULL,
 118               .mask_flags       = 0
 119         }
 120 };
 121
 122 static struct flash_platform_data h2_nor_data = {
 123         .map_name       = "cfi_probe",
 124         .width          = 2,
 125         .parts          = h2_nor_partitions,
 126         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
 127 };
 128
 129 static struct resource h2_nor_resource = {
 130         /* This is on CS3, wherever it's mapped */
 131         .flags          = IORESOURCE_MEM,
 132 };
 133
 134 static struct platform_device h2_nor_device = {
 135         .name           = "omapflash",
 136         .id             = 0,
 137         .dev            = {
 138                 .platform_data  = &h2_nor_data,
 139         },
 140         .num_resources  = 1,
 141         .resource       = &h2_nor_resource,
 142 };
 143
 144 static struct mtd_partition h2_nand_partitions[] = {
 145 #if 0
 146         /* REVISIT:  enable these partitions if you make NAND BOOT
 147          * work on your H2 (rev C or newer); published versions of
 148          * x-load only support P2 and H3.
 149          */
 150         {
 151                 .name           = "xloader",
 152                 .offset         = 0,
 153                 .size           = 64 * 1024,
 154                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 155         },
 156         {
 157                 .name           = "bootloader",
 158                 .offset         = MTDPART_OFS_APPEND,
 159                 .size           = 256 * 1024,
 160                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 161         },
 162         {
 163                 .name           = "params",
 164                 .offset         = MTDPART_OFS_APPEND,
 165                 .size           = 192 * 1024,
 166         },
 167         {
 168                 .name           = "kernel",
 169                 .offset         = MTDPART_OFS_APPEND,
 170                 .size           = 2 * SZ_1M,
 171         },
 172 #endif
 173         {
 174                 .name           = "filesystem",
 175                 .size           = MTDPART_SIZ_FULL,
 176                 .offset         = MTDPART_OFS_APPEND,
 177         },
 178 };
 179
 180 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
 181 static struct omap_nand_platform_data h2_nand_data = {
 182         .options        = NAND_SAMSUNG_LP_OPTIONS,
 183         .parts          = h2_nand_partitions,
 184         .nr_parts       = ARRAY_SIZE(h2_nand_partitions),
 185 };
 186
 187 static struct resource h2_nand_resource = {
 188         .flags          = IORESOURCE_MEM,
 189 };
 190
 191 static struct platform_device h2_nand_device = {
 192         .name           = "omapnand",
 193         .id             = 0,
 194         .dev            = {
 195                 .platform_data  = &h2_nand_data,
 196         },
 197         .num_resources  = 1,
 198         .resource       = &h2_nand_resource,
 199 };
 200
 201 static struct resource h2_smc91x_resources[] = {
 202         [0] = {
 203                 .start  = OMAP1610_ETHR_START,          /* Physical */
 204                 .end    = OMAP1610_ETHR_START + 0xf,
 205                 .flags  = IORESOURCE_MEM,
 206         },
 207         [1] = {
 208                 .start  = OMAP_GPIO_IRQ(0),
 209                 .end    = OMAP_GPIO_IRQ(0),
 210                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 211         },
 212 };
 213
 214 static struct platform_device h2_smc91x_device = {
 215         .name           = "smc91x",
 216         .id             = 0,
 217         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 218         .resource       = h2_smc91x_resources,
 219 };
 220
 221 static struct resource h2_kp_resources[] = {
 222         [0] = {
 223                 .start  = INT_KEYBOARD,
 224                 .end    = INT_KEYBOARD,
 225                 .flags  = IORESOURCE_IRQ,
 226         },
 227 };
 228
 229 static struct omap_kp_platform_data h2_kp_data = {
 230         .rows           = 8,
 231         .cols           = 8,
 232         .keymap         = h2_keymap,
 233         .keymapsize     = ARRAY_SIZE(h2_keymap),
 234         .rep            = 1,
 235         .delay          = 9,
 236         .dbounce        = 1,
 237 };
 238
 239 static struct platform_device h2_kp_device = {
 240         .name           = "omap-keypad",
 241         .id             = -1,
 242         .dev            = {
 243                 .platform_data = &h2_kp_data,
 244         },
 245         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 246         .resource       = h2_kp_resources,
 247 };
 248
 249 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 250
 251 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 252 static int h2_transceiver_mode(struct device *dev, int state)
 253 {
 254         if (state & IR_SIRMODE)
 255                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 256         else    /* MIR/FIR */
 257                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
 258
 259         return 0;
 260 }
 261 #endif
 262
 263 static struct omap_irda_config h2_irda_data = {
 264         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 265         .rx_channel             = OMAP_DMA_UART3_RX,
 266         .tx_channel             = OMAP_DMA_UART3_TX,
 267         .dest_start             = UART3_THR,
 268         .src_start              = UART3_RHR,
 269         .tx_trigger             = 0,
 270         .rx_trigger             = 0,
 271 };
 272
 273 static struct resource h2_irda_resources[] = {
 274         [0] = {
 275                 .start  = INT_UART3,
 276                 .end    = INT_UART3,
 277                 .flags  = IORESOURCE_IRQ,
 278         },
 279 };
 280
 281 static u64 irda_dmamask = 0xffffffff;
 282
 283 static struct platform_device h2_irda_device = {
 284         .name           = "omapirda",
 285         .id             = 0,
 286         .dev            = {
 287                 .platform_data  = &h2_irda_data,
 288                 .dma_mask       = &irda_dmamask,
 289         },
 290         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 291         .resource       = h2_irda_resources,
 292 };
 293
 294 static struct platform_device h2_lcd_device = {
 295         .name           = "lcd_h2",
 296         .id             = -1,
 297 };
 298
 299 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 300         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
 301         .spcr1 = RINTM(3) | RRST,
 302         .rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 303                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
 304         .rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
 305         .xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 306                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
 307         .xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
 308         .srgr1 = FWID(15),
 309         .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
 310
 311         .pcr0  = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
 312         /*.pcr0 = CLKXP | CLKRP,*/        /* mcbsp: slave */
 313 };
 314
 315 static struct omap_alsa_codec_config alsa_config = {
 316         .name                   = "H2 TSC2101",
 317         .mcbsp_regs_alsa        = &mcbsp_regs,
 318         .codec_configure_dev    = NULL, /* tsc2101_configure, */
 319         .codec_set_samplerate   = NULL, /* tsc2101_set_samplerate, */
 320         .codec_clock_setup      = NULL, /* tsc2101_clock_setup, */
 321         .codec_clock_on         = NULL, /* tsc2101_clock_on, */
 322         .codec_clock_off        = NULL, /* tsc2101_clock_off, */
 323         .get_default_samplerate = NULL, /* tsc2101_get_default_samplerate, */
 324 };
 325
 326 static struct platform_device h2_mcbsp1_device = {
 327         .name   = "omap_alsa_mcbsp",
 328         .id     = 1,
 329         .dev = {
 330                 .platform_data  = &alsa_config,
 331         },
 332 };
 333
 334 static struct platform_device *h2_devices[] __initdata = {
 335         &h2_nor_device,
 336         &h2_nand_device,
 337         &h2_smc91x_device,
 338         &h2_irda_device,
 339         &h2_kp_device,
 340         &h2_lcd_device,
 341         &h2_mcbsp1_device,
 342 };
 343
 344 #ifdef CONFIG_I2C_BOARDINFO
 345 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 346         {
 347                 I2C_BOARD_INFO("tps65010", 0x48),
 348                 .type           = "tps65010",
 349                 .irq            = OMAP_GPIO_IRQ(58),
 350         },
 351         /* TODO when driver support is ready:
 352          *  - isp1301 OTG transceiver
 353          *  - optional ov9640 camera sensor at 0x30
 354          *  - pcf9754 for aGPS control
 355          *  - ... etc
 356          */
 357 };
 358 #endif
 359
 360 static void __init h2_init_smc91x(void)
 361 {
 362         if ((omap_request_gpio(0)) < 0) {
 363                 printk("Error requesting gpio 0 for smc91x irq\n");
 364                 return;
 365         }
 366 }
 367
 368 static void __init h2_init_irq(void)
 369 {
 370         omap1_init_common_hw();
 371         omap_init_irq();
 372         omap_gpio_init();
 373         h2_init_smc91x();
 374 }
 375
 376 static struct omap_usb_config h2_usb_config __initdata = {
 377         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 378         .otg            = 2,
 379
 380 #ifdef  CONFIG_USB_GADGET_OMAP
 381         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 382         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 383 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 384         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 385         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 386 #endif
 387
 388         .pins[1]        = 3,
 389 };
 390
 391 static struct omap_mmc_config h2_mmc_config __initdata = {
 392         .mmc[0] = {
 393                 .enabled        = 1,
 394                 .wire4          = 1,
 395         },
 396 };
 397
 398 extern struct omap_mmc_platform_data h2_mmc_data;
 399
 400 static struct omap_uart_config h2_uart_config __initdata = {
 401         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 402 };
 403
 404 static struct omap_lcd_config h2_lcd_config __initdata = {
 405         .ctrl_name      = "internal",
 406 };
 407
 408 static struct omap_board_config_kernel h2_config[] __initdata = {
 409         { OMAP_TAG_USB,         &h2_usb_config },
 410         { OMAP_TAG_MMC,         &h2_mmc_config },
 411         { OMAP_TAG_UART,        &h2_uart_config },
 412         { OMAP_TAG_LCD,         &h2_lcd_config },
 413 };
 414
 415 #define H2_NAND_RB_GPIO_PIN     62
 416
 417 static int h2_nand_dev_ready(struct omap_nand_platform_data *data)
 418 {
 419         return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
 420 }
 421
 422 static void __init h2_init(void)
 423 {
 424         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 425          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 426          * notice whether a NAND chip is enabled at probe time.
 427          *
 428          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 429          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 430          * detecting that in code here, to avoid probing every possible flash
 431          * configuration...
 432          */
 433         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 434         h2_nor_resource.end += SZ_32M - 1;
 435
 436         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 437         h2_nand_resource.end += SZ_4K - 1;
 438         if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
 439                 h2_nand_data.dev_ready = h2_nand_dev_ready;
 440
 441         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 442         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 443
 444         /* MMC:  card detect and WP */
 445         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
 446         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 447
 448         /* Irda */
 449 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 450         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
 451         if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
 452                 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 453                 h2_irda_data.transceiver_mode = h2_transceiver_mode;
 454         }
 455 #endif
 456
 457         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 458         omap_board_config = h2_config;
 459         omap_board_config_size = ARRAY_SIZE(h2_config);
 460         omap_serial_init();
 461         h2_mmc_init();
 462
 463         /* irq for tps65010 chip */
 464         omap_cfg_reg(W4_GPIO58);
 465         if (gpio_request(58, "tps65010") == 0)
 466                 gpio_direction_input(58);
 467
 468 #ifdef CONFIG_I2C_BOARDINFO
 469         i2c_register_board_info(1, h2_i2c_board_info,
 470                         ARRAY_SIZE(h2_i2c_board_info));
 471 #endif
 472 }
 473
 474 static void __init h2_map_io(void)
 475 {
 476         omap1_map_common_io();
 477 }
 478
 479 #ifdef CONFIG_TPS65010
 480 static int __init h2_tps_init(void)
 481 {
 482         if (!machine_is_omap_h2())
 483                 return 0;
 484
 485         /* gpio3 for SD, gpio4 for VDD_DSP */
 486         /* FIXME send power to DSP iff it's configured */
 487
 488         /* Enable LOW_PWR */
 489         tps65010_set_low_pwr(ON);
 490         return 0;
 491 }
 492 fs_initcall(h2_tps_init);
 493 #endif
 494
 495 MACHINE_START(OMAP_H2, "TI-H2")
 496         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 497         .phys_io        = 0xfff00000,
 498         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 499         .boot_params    = 0x10000100,
 500         .map_io         = h2_map_io,
 501         .init_irq       = h2_init_irq,
 502         .init_machine   = h2_init,
 503         .timer          = &omap_timer,
 504 MACHINE_END