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/init.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/delay.h>
  26 #include <linux/i2c.h>
  27 #include <linux/mtd/mtd.h>
  28 #include <linux/mtd/nand.h>
  29 #include <linux/mtd/partitions.h>
  30 #include <linux/input.h>
  31 #include <linux/i2c/tps65010.h>
  32 #include <linux/workqueue.h>
  33 #include <linux/spi/spi.h>
  34 #include <linux/spi/tsc2101.h>
  35 #include <linux/clk.h>
  36
  37 #include <asm/hardware.h>
  38 #include <asm/gpio.h>
  39
  40 #include <asm/mach-types.h>
  41 #include <asm/mach/arch.h>
  42 #include <asm/mach/flash.h>
  43 #include <asm/mach/map.h>
  44
  45 #include <asm/arch/gpio.h>
  46 #include <asm/arch/gpio-switch.h>
  47 #include <asm/arch/mux.h>
  48 #include <asm/arch/tc.h>
  49 #include <asm/arch/nand.h>
  50 #include <asm/arch/irda.h>
  51 #include <asm/arch/usb.h>
  52 #include <asm/arch/keypad.h>
  53 #include <asm/arch/common.h>
  54 #include <asm/arch/mcbsp.h>
  55 #include <asm/arch/omap-alsa.h>
  56
  57 static int h2_keymap[] = {
  58         KEY(0, 0, KEY_LEFT),
  59         KEY(0, 1, KEY_RIGHT),
  60         KEY(0, 2, KEY_3),
  61         KEY(0, 3, KEY_F10),
  62         KEY(0, 4, KEY_F5),
  63         KEY(0, 5, KEY_9),
  64         KEY(1, 0, KEY_DOWN),
  65         KEY(1, 1, KEY_UP),
  66         KEY(1, 2, KEY_2),
  67         KEY(1, 3, KEY_F9),
  68         KEY(1, 4, KEY_F7),
  69         KEY(1, 5, KEY_0),
  70         KEY(2, 0, KEY_ENTER),
  71         KEY(2, 1, KEY_6),
  72         KEY(2, 2, KEY_1),
  73         KEY(2, 3, KEY_F2),
  74         KEY(2, 4, KEY_F6),
  75         KEY(2, 5, KEY_HOME),
  76         KEY(3, 0, KEY_8),
  77         KEY(3, 1, KEY_5),
  78         KEY(3, 2, KEY_F12),
  79         KEY(3, 3, KEY_F3),
  80         KEY(3, 4, KEY_F8),
  81         KEY(3, 5, KEY_END),
  82         KEY(4, 0, KEY_7),
  83         KEY(4, 1, KEY_4),
  84         KEY(4, 2, KEY_F11),
  85         KEY(4, 3, KEY_F1),
  86         KEY(4, 4, KEY_F4),
  87         KEY(4, 5, KEY_ESC),
  88         KEY(5, 0, KEY_F13),
  89         KEY(5, 1, KEY_F14),
  90         KEY(5, 2, KEY_F15),
  91         KEY(5, 3, KEY_F16),
  92         KEY(5, 4, KEY_SLEEP),
  93         0
  94 };
  95
  96 static struct mtd_partition h2_nor_partitions[] = {
  97         /* bootloader (U-Boot, etc) in first sector */
  98         {
  99               .name             = "bootloader",
 100               .offset           = 0,
 101               .size             = SZ_128K,
 102               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 103         },
 104         /* bootloader params in the next sector */
 105         {
 106               .name             = "params",
 107               .offset           = MTDPART_OFS_APPEND,
 108               .size             = SZ_128K,
 109               .mask_flags       = 0,
 110         },
 111         /* kernel */
 112         {
 113               .name             = "kernel",
 114               .offset           = MTDPART_OFS_APPEND,
 115               .size             = SZ_2M,
 116               .mask_flags       = 0
 117         },
 118         /* file system */
 119         {
 120               .name             = "filesystem",
 121               .offset           = MTDPART_OFS_APPEND,
 122               .size             = MTDPART_SIZ_FULL,
 123               .mask_flags       = 0
 124         }
 125 };
 126
 127 static struct flash_platform_data h2_nor_data = {
 128         .map_name       = "cfi_probe",
 129         .width          = 2,
 130         .parts          = h2_nor_partitions,
 131         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
 132 };
 133
 134 static struct resource h2_nor_resource = {
 135         /* This is on CS3, wherever it's mapped */
 136         .flags          = IORESOURCE_MEM,
 137 };
 138
 139 static struct platform_device h2_nor_device = {
 140         .name           = "omapflash",
 141         .id             = 0,
 142         .dev            = {
 143                 .platform_data  = &h2_nor_data,
 144         },
 145         .num_resources  = 1,
 146         .resource       = &h2_nor_resource,
 147 };
 148
 149 static struct mtd_partition h2_nand_partitions[] = {
 150 #if 0
 151         /* REVISIT:  enable these partitions if you make NAND BOOT
 152          * work on your H2 (rev C or newer); published versions of
 153          * x-load only support P2 and H3.
 154          */
 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 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
 186 static struct omap_nand_platform_data h2_nand_data = {
 187         .options        = NAND_SAMSUNG_LP_OPTIONS,
 188         .parts          = h2_nand_partitions,
 189         .nr_parts       = ARRAY_SIZE(h2_nand_partitions),
 190 };
 191
 192 static struct resource h2_nand_resource = {
 193         .flags          = IORESOURCE_MEM,
 194 };
 195
 196 static struct platform_device h2_nand_device = {
 197         .name           = "omapnand",
 198         .id             = 0,
 199         .dev            = {
 200                 .platform_data  = &h2_nand_data,
 201         },
 202         .num_resources  = 1,
 203         .resource       = &h2_nand_resource,
 204 };
 205
 206 static struct resource h2_smc91x_resources[] = {
 207         [0] = {
 208                 .start  = OMAP1610_ETHR_START,          /* Physical */
 209                 .end    = OMAP1610_ETHR_START + 0xf,
 210                 .flags  = IORESOURCE_MEM,
 211         },
 212         [1] = {
 213                 .start  = OMAP_GPIO_IRQ(0),
 214                 .end    = OMAP_GPIO_IRQ(0),
 215                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 216         },
 217 };
 218
 219 static struct platform_device h2_smc91x_device = {
 220         .name           = "smc91x",
 221         .id             = 0,
 222         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 223         .resource       = h2_smc91x_resources,
 224 };
 225
 226 static struct resource h2_kp_resources[] = {
 227         [0] = {
 228                 .start  = INT_KEYBOARD,
 229                 .end    = INT_KEYBOARD,
 230                 .flags  = IORESOURCE_IRQ,
 231         },
 232 };
 233
 234 static struct omap_kp_platform_data h2_kp_data = {
 235         .rows           = 8,
 236         .cols           = 8,
 237         .keymap         = h2_keymap,
 238         .keymapsize     = ARRAY_SIZE(h2_keymap),
 239         .rep            = 1,
 240         .delay          = 9,
 241         .dbounce        = 1,
 242 };
 243
 244 static struct platform_device h2_kp_device = {
 245         .name           = "omap-keypad",
 246         .id             = -1,
 247         .dev            = {
 248                 .platform_data = &h2_kp_data,
 249         },
 250         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 251         .resource       = h2_kp_resources,
 252 };
 253
 254 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 255
 256 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 257 static int h2_transceiver_mode(struct device *dev, int state)
 258 {
 259         if (state & IR_SIRMODE)
 260                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 261         else    /* MIR/FIR */
 262                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
 263
 264         return 0;
 265 }
 266 #endif
 267
 268 static struct omap_irda_config h2_irda_data = {
 269         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 270         .rx_channel             = OMAP_DMA_UART3_RX,
 271         .tx_channel             = OMAP_DMA_UART3_TX,
 272         .dest_start             = UART3_THR,
 273         .src_start              = UART3_RHR,
 274         .tx_trigger             = 0,
 275         .rx_trigger             = 0,
 276 };
 277
 278 static struct resource h2_irda_resources[] = {
 279         [0] = {
 280                 .start  = INT_UART3,
 281                 .end    = INT_UART3,
 282                 .flags  = IORESOURCE_IRQ,
 283         },
 284 };
 285
 286 static u64 irda_dmamask = 0xffffffff;
 287
 288 static struct platform_device h2_irda_device = {
 289         .name           = "omapirda",
 290         .id             = 0,
 291         .dev            = {
 292                 .platform_data  = &h2_irda_data,
 293                 .dma_mask       = &irda_dmamask,
 294         },
 295         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 296         .resource       = h2_irda_resources,
 297 };
 298
 299 static struct platform_device h2_lcd_device = {
 300         .name           = "lcd_h2",
 301         .id             = -1,
 302 };
 303
 304 struct {
 305         struct clk      *mclk;
 306         int             initialized;
 307 } h2_tsc2101;
 308
 309 #define TSC2101_MUX_MCLK_ON     R10_1610_MCLK_ON
 310 #define TSC2101_MUX_MCLK_OFF    R10_1610_MCLK_OFF
 311
 312 static void h2_lcd_dev_init(struct spi_device *tsc2101)
 313 {
 314         /* The LCD is connected to the GPIO pins of the TSC2101, so
 315          * we have to tie them here. We can also register the LCD driver
 316          * first only here, where we know that the TSC driver is ready.
 317          */
 318
 319         h2_lcd_device.dev.platform_data = tsc2101;
 320         platform_device_register(&h2_lcd_device);
 321 }
 322
 323 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 324         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
 325         .spcr1 = RINTM(3) | RRST,
 326         .rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 327                         RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
 328         .rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
 329         .xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 330                         XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
 331         .xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
 332         .srgr1 = FWID(15),
 333         .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
 334         .pcr0  = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
 335         /*.pcr0 = CLKXP | CLKRP,*/        /* mcbsp: slave */
 336 };
 337
 338 static struct omap_alsa_codec_config alsa_config = {
 339         .name                   = "H2 TSC2101",
 340         .mcbsp_regs_alsa        = &mcbsp_regs,
 341 };
 342
 343 static struct platform_device h2_mcbsp1_device = {
 344         .name   = "omap_alsa_mcbsp",
 345         .id     = 1,
 346         .dev = {
 347                 .platform_data  = &alsa_config,
 348         },
 349 };
 350
 351 static void h2_audio_dev_init(struct spi_device *tsc2101)
 352 {
 353         h2_mcbsp1_device.dev.platform_data = tsc2101;
 354         platform_device_register(&h2_mcbsp1_device);
 355 }
 356
 357 static int h2_tsc2101_init(struct spi_device *spi)
 358 {
 359         int r;
 360
 361         if (h2_tsc2101.initialized) {
 362                 printk(KERN_ERR "tsc2101: already initialized\n");
 363                 return -ENODEV;
 364         }
 365
 366         /* Get the MCLK */
 367         h2_tsc2101.mclk = clk_get(&spi->dev, "mclk");
 368         if (IS_ERR(h2_tsc2101.mclk)) {
 369                 dev_err(&spi->dev, "unable to get the clock MCLK\n");
 370                 return PTR_ERR(h2_tsc2101.mclk);
 371         }
 372         if ((r = clk_set_rate(h2_tsc2101.mclk, 12000000)) < 0) {
 373                 dev_err(&spi->dev, "unable to set rate to the MCLK\n");
 374                 goto err;
 375         }
 376
 377         omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
 378         omap_cfg_reg(N15_1610_UWIRE_CS1);
 379
 380         h2_lcd_dev_init(spi);
 381         h2_audio_dev_init(spi);
 382
 383         return 0;
 384 err:
 385         clk_put(h2_tsc2101.mclk);
 386         return r;
 387 }
 388
 389 static void h2_tsc2101_cleanup(struct spi_device *spi)
 390 {
 391         clk_put(h2_tsc2101.mclk);
 392         omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
 393 }
 394
 395 static void h2_tsc2101_enable_mclk(struct spi_device *spi)
 396 {
 397         omap_cfg_reg(TSC2101_MUX_MCLK_ON);
 398         clk_enable(h2_tsc2101.mclk);
 399 }
 400
 401 static void h2_tsc2101_disable_mclk(struct spi_device *spi)
 402 {
 403         clk_disable(h2_tsc2101.mclk);
 404         omap_cfg_reg(R10_1610_MCLK_OFF);
 405 }
 406
 407 static struct tsc2101_platform_data h2_tsc2101_platform_data = {
 408         .init           = h2_tsc2101_init,
 409         .cleanup        = h2_tsc2101_cleanup,
 410         .enable_mclk    = h2_tsc2101_enable_mclk,
 411         .disable_mclk   = h2_tsc2101_disable_mclk,
 412 };
 413
 414 static struct spi_board_info h2_spi_board_info[] __initdata = {
 415         [0] = {
 416                 .modalias       = "tsc2101",
 417                 .bus_num        = 2,
 418                 .chip_select    = 1,
 419                 .max_speed_hz   = 16000000,
 420                 .platform_data  = &h2_tsc2101_platform_data,
 421         },
 422 };
 423
 424 static struct platform_device *h2_devices[] __initdata = {
 425         &h2_nor_device,
 426         &h2_nand_device,
 427         &h2_smc91x_device,
 428         &h2_irda_device,
 429         &h2_kp_device,
 430 };
 431
 432 static void __init h2_init_smc91x(void)
 433 {
 434         if ((omap_request_gpio(0)) < 0) {
 435                 printk("Error requesting gpio 0 for smc91x irq\n");
 436                 return;
 437         }
 438 }
 439
 440 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 441         {
 442                 I2C_BOARD_INFO("tps65010", 0x48),
 443                 .irq            = OMAP_GPIO_IRQ(58),
 444         }, {
 445                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 446                 .irq            = OMAP_GPIO_IRQ(2),
 447         },
 448 };
 449
 450 static void __init h2_init_irq(void)
 451 {
 452         omap1_init_common_hw();
 453         omap_init_irq();
 454         omap_gpio_init();
 455         h2_init_smc91x();
 456 }
 457
 458 static struct omap_usb_config h2_usb_config __initdata = {
 459         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 460         .otg            = 2,
 461
 462 #ifdef  CONFIG_USB_GADGET_OMAP
 463         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 464         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 465 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 466         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 467         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 468 #endif
 469
 470         .pins[1]        = 3,
 471 };
 472
 473 static struct omap_mmc_config h2_mmc_config __initdata = {
 474         .mmc[0] = {
 475                 .enabled        = 1,
 476                 .wire4          = 1,
 477         },
 478 };
 479
 480 extern struct omap_mmc_platform_data h2_mmc_data;
 481
 482 static struct omap_uart_config h2_uart_config __initdata = {
 483         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 484 };
 485
 486 static struct omap_lcd_config h2_lcd_config __initdata = {
 487         .ctrl_name      = "internal",
 488 };
 489
 490 static struct omap_board_config_kernel h2_config[] __initdata = {
 491         { OMAP_TAG_USB,         &h2_usb_config },
 492         { OMAP_TAG_MMC,         &h2_mmc_config },
 493         { OMAP_TAG_UART,        &h2_uart_config },
 494         { OMAP_TAG_LCD,         &h2_lcd_config },
 495 };
 496
 497 static struct omap_gpio_switch h2_gpio_switches[] __initdata = {
 498         {
 499                 .name                   = "mmc_slot",
 500                 .gpio                   = OMAP_MPUIO(1),
 501                 .type                   = OMAP_GPIO_SWITCH_TYPE_COVER,
 502                 .debounce_rising        = 100,
 503                 .debounce_falling       = 0,
 504                 .notify                 = h2_mmc_slot_cover_handler,
 505                 .notify_data            = NULL,
 506         },
 507 };
 508
 509 #define H2_NAND_RB_GPIO_PIN     62
 510
 511 static int h2_nand_dev_ready(struct omap_nand_platform_data *data)
 512 {
 513         return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
 514 }
 515
 516 static void __init h2_init(void)
 517 {
 518         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 519          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 520          * notice whether a NAND chip is enabled at probe time.
 521          *
 522          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 523          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 524          * detecting that in code here, to avoid probing every possible flash
 525          * configuration...
 526          */
 527         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 528         h2_nor_resource.end += SZ_32M - 1;
 529
 530         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 531         h2_nand_resource.end += SZ_4K - 1;
 532         if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
 533                 h2_nand_data.dev_ready = h2_nand_dev_ready;
 534
 535         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 536         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 537
 538         /* MMC:  card detect and WP */
 539         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
 540         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 541
 542         /* Irda */
 543 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 544         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
 545         if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
 546                 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 547                 h2_irda_data.transceiver_mode = h2_transceiver_mode;
 548         }
 549 #endif
 550
 551         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 552         spi_register_board_info(h2_spi_board_info,
 553                                 ARRAY_SIZE(h2_spi_board_info));
 554         omap_board_config = h2_config;
 555         omap_board_config_size = ARRAY_SIZE(h2_config);
 556         omap_serial_init();
 557         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
 558                               ARRAY_SIZE(h2_i2c_board_info));
 559         h2_mmc_init();
 560         omap_register_gpio_switches(h2_gpio_switches,
 561                                     ARRAY_SIZE(h2_gpio_switches));
 562 }
 563
 564 static void __init h2_map_io(void)
 565 {
 566         omap1_map_common_io();
 567 }
 568
 569 MACHINE_START(OMAP_H2, "TI-H2")
 570         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 571         .phys_io        = 0xfff00000,
 572         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 573         .boot_params    = 0x10000100,
 574         .map_io         = h2_map_io,
 575         .init_irq       = h2_init_irq,
 576         .init_machine   = h2_init,
 577         .timer          = &omap_timer,
 578 MACHINE_END