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/mtd/mtd.h>
  27 #include <linux/mtd/nand.h>
  28 #include <linux/mtd/partitions.h>
  29 #include <linux/input.h>
  30 #include <linux/workqueue.h>
  31 #include <linux/spi/spi.h>
  32 #include <linux/spi/tsc2101.h>
  33 #include <linux/clk.h>
  34
  35 #include <asm/hardware.h>
  36 #include <asm/mach-types.h>
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/flash.h>
  39 #include <asm/mach/map.h>
  40
  41 #include <asm/arch/gpio.h>
  42 #include <asm/arch/gpio-switch.h>
  43 #include <asm/arch/mux.h>
  44 #include <asm/arch/tc.h>
  45 #include <asm/arch/nand.h>
  46 #include <asm/arch/irda.h>
  47 #include <asm/arch/usb.h>
  48 #include <asm/arch/keypad.h>
  49 #include <asm/arch/common.h>
  50 #include <asm/arch/mcbsp.h>
  51 #include <asm/arch/omap-alsa.h>
  52
  53 extern int omap_gpio_init(void);
  54
  55 static int h2_keymap[] = {
  56         KEY(0, 0, KEY_LEFT),
  57         KEY(0, 1, KEY_RIGHT),
  58         KEY(0, 2, KEY_3),
  59         KEY(0, 3, KEY_F10),
  60         KEY(0, 4, KEY_F5),
  61         KEY(0, 5, KEY_9),
  62         KEY(1, 0, KEY_DOWN),
  63         KEY(1, 1, KEY_UP),
  64         KEY(1, 2, KEY_2),
  65         KEY(1, 3, KEY_F9),
  66         KEY(1, 4, KEY_F7),
  67         KEY(1, 5, KEY_0),
  68         KEY(2, 0, KEY_ENTER),
  69         KEY(2, 1, KEY_6),
  70         KEY(2, 2, KEY_1),
  71         KEY(2, 3, KEY_F2),
  72         KEY(2, 4, KEY_F6),
  73         KEY(2, 5, KEY_HOME),
  74         KEY(3, 0, KEY_8),
  75         KEY(3, 1, KEY_5),
  76         KEY(3, 2, KEY_F12),
  77         KEY(3, 3, KEY_F3),
  78         KEY(3, 4, KEY_F8),
  79         KEY(3, 5, KEY_END),
  80         KEY(4, 0, KEY_7),
  81         KEY(4, 1, KEY_4),
  82         KEY(4, 2, KEY_F11),
  83         KEY(4, 3, KEY_F1),
  84         KEY(4, 4, KEY_F4),
  85         KEY(4, 5, KEY_ESC),
  86         KEY(5, 0, KEY_F13),
  87         KEY(5, 1, KEY_F14),
  88         KEY(5, 2, KEY_F15),
  89         KEY(5, 3, KEY_F16),
  90         KEY(5, 4, KEY_SLEEP),
  91         0
  92 };
  93
  94 static struct mtd_partition h2_nor_partitions[] = {
  95         /* bootloader (U-Boot, etc) in first sector */
  96         {
  97               .name             = "bootloader",
  98               .offset           = 0,
  99               .size             = SZ_128K,
 100               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 101         },
 102         /* bootloader params in the next sector */
 103         {
 104               .name             = "params",
 105               .offset           = MTDPART_OFS_APPEND,
 106               .size             = SZ_128K,
 107               .mask_flags       = 0,
 108         },
 109         /* kernel */
 110         {
 111               .name             = "kernel",
 112               .offset           = MTDPART_OFS_APPEND,
 113               .size             = SZ_2M,
 114               .mask_flags       = 0
 115         },
 116         /* file system */
 117         {
 118               .name             = "filesystem",
 119               .offset           = MTDPART_OFS_APPEND,
 120               .size             = MTDPART_SIZ_FULL,
 121               .mask_flags       = 0
 122         }
 123 };
 124
 125 static struct flash_platform_data h2_nor_data = {
 126         .map_name       = "cfi_probe",
 127         .width          = 2,
 128         .parts          = h2_nor_partitions,
 129         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
 130 };
 131
 132 static struct resource h2_nor_resource = {
 133         /* This is on CS3, wherever it's mapped */
 134         .flags          = IORESOURCE_MEM,
 135 };
 136
 137 static struct platform_device h2_nor_device = {
 138         .name           = "omapflash",
 139         .id             = 0,
 140         .dev            = {
 141                 .platform_data  = &h2_nor_data,
 142         },
 143         .num_resources  = 1,
 144         .resource       = &h2_nor_resource,
 145 };
 146
 147 static struct mtd_partition h2_nand_partitions[] = {
 148 #if 0
 149         /* REVISIT:  enable these partitions if you make NAND BOOT
 150          * work on your H2 (rev C or newer); published versions of
 151          * x-load only support P2 and H3.
 152          */
 153         {
 154                 .name           = "xloader",
 155                 .offset         = 0,
 156                 .size           = 64 * 1024,
 157                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 158         },
 159         {
 160                 .name           = "bootloader",
 161                 .offset         = MTDPART_OFS_APPEND,
 162                 .size           = 256 * 1024,
 163                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 164         },
 165         {
 166                 .name           = "params",
 167                 .offset         = MTDPART_OFS_APPEND,
 168                 .size           = 192 * 1024,
 169         },
 170         {
 171                 .name           = "kernel",
 172                 .offset         = MTDPART_OFS_APPEND,
 173                 .size           = 2 * SZ_1M,
 174         },
 175 #endif
 176         {
 177                 .name           = "filesystem",
 178                 .size           = MTDPART_SIZ_FULL,
 179                 .offset         = MTDPART_OFS_APPEND,
 180         },
 181 };
 182
 183 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
 184 static struct omap_nand_platform_data h2_nand_data = {
 185         .options        = NAND_SAMSUNG_LP_OPTIONS,
 186         .parts          = h2_nand_partitions,
 187         .nr_parts       = ARRAY_SIZE(h2_nand_partitions),
 188 };
 189
 190 static struct resource h2_nand_resource = {
 191         .flags          = IORESOURCE_MEM,
 192 };
 193
 194 static struct platform_device h2_nand_device = {
 195         .name           = "omapnand",
 196         .id             = 0,
 197         .dev            = {
 198                 .platform_data  = &h2_nand_data,
 199         },
 200         .num_resources  = 1,
 201         .resource       = &h2_nand_resource,
 202 };
 203
 204 static struct resource h2_smc91x_resources[] = {
 205         [0] = {
 206                 .start  = OMAP1610_ETHR_START,          /* Physical */
 207                 .end    = OMAP1610_ETHR_START + 0xf,
 208                 .flags  = IORESOURCE_MEM,
 209         },
 210         [1] = {
 211                 .start  = OMAP_GPIO_IRQ(0),
 212                 .end    = OMAP_GPIO_IRQ(0),
 213                 .flags  = IORESOURCE_IRQ,
 214         },
 215 };
 216
 217 static struct platform_device h2_smc91x_device = {
 218         .name           = "smc91x",
 219         .id             = 0,
 220         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 221         .resource       = h2_smc91x_resources,
 222 };
 223
 224 static struct resource h2_kp_resources[] = {
 225         [0] = {
 226                 .start  = INT_KEYBOARD,
 227                 .end    = INT_KEYBOARD,
 228                 .flags  = IORESOURCE_IRQ,
 229         },
 230 };
 231
 232 static struct omap_kp_platform_data h2_kp_data = {
 233         .rows           = 8,
 234         .cols           = 8,
 235         .keymap         = h2_keymap,
 236         .keymapsize     = ARRAY_SIZE(h2_keymap),
 237         .rep            = 1,
 238         .delay          = 9,
 239         .dbounce        = 1,
 240 };
 241
 242 static struct platform_device h2_kp_device = {
 243         .name           = "omap-keypad",
 244         .id             = -1,
 245         .dev            = {
 246                 .platform_data = &h2_kp_data,
 247         },
 248         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 249         .resource       = h2_kp_resources,
 250 };
 251
 252 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 253
 254 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 255 static int h2_transceiver_mode(struct device *dev, int state)
 256 {
 257         if (state & IR_SIRMODE)
 258                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 259         else    /* MIR/FIR */
 260                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
 261
 262         return 0;
 263 }
 264 #endif
 265
 266 static struct omap_irda_config h2_irda_data = {
 267         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 268         .rx_channel             = OMAP_DMA_UART3_RX,
 269         .tx_channel             = OMAP_DMA_UART3_TX,
 270         .dest_start             = UART3_THR,
 271         .src_start              = UART3_RHR,
 272         .tx_trigger             = 0,
 273         .rx_trigger             = 0,
 274 };
 275
 276 static struct resource h2_irda_resources[] = {
 277         [0] = {
 278                 .start  = INT_UART3,
 279                 .end    = INT_UART3,
 280                 .flags  = IORESOURCE_IRQ,
 281         },
 282 };
 283
 284 static u64 irda_dmamask = 0xffffffff;
 285
 286 static struct platform_device h2_irda_device = {
 287         .name           = "omapirda",
 288         .id             = 0,
 289         .dev            = {
 290                 .platform_data  = &h2_irda_data,
 291                 .dma_mask       = &irda_dmamask,
 292         },
 293         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 294         .resource       = h2_irda_resources,
 295 };
 296
 297 static struct platform_device h2_lcd_device = {
 298         .name           = "lcd_h2",
 299         .id             = -1,
 300 };
 301
 302 struct {
 303         struct clk      *mclk;
 304         int             initialized;
 305 } h2_tsc2101;
 306
 307 #define TSC2101_MUX_MCLK_ON     R10_1610_MCLK_ON
 308 #define TSC2101_MUX_MCLK_OFF    R10_1610_MCLK_OFF
 309
 310 static void h2_lcd_dev_init(struct spi_device *tsc2101)
 311 {
 312         /* The LCD is connected to the GPIO pins of the TSC2101, so
 313          * we have to tie them here. We can also register the LCD driver
 314          * first only here, where we know that the TSC driver is ready.
 315          */
 316
 317         h2_lcd_device.dev.platform_data = tsc2101;
 318         platform_device_register(&h2_lcd_device);
 319 }
 320
 321 static int h2_tsc2101_init(struct spi_device *spi)
 322 {
 323         int r;
 324
 325         if (h2_tsc2101.initialized) {
 326                 printk(KERN_ERR "tsc2101: already initialized\n");
 327                 return -ENODEV;
 328         }
 329
 330         /* Get the MCLK */
 331         h2_tsc2101.mclk = clk_get(&spi->dev, "mclk");
 332         if (IS_ERR(h2_tsc2101.mclk)) {
 333                 dev_err(&spi->dev, "unable to get the clock MCLK\n");
 334                 return PTR_ERR(h2_tsc2101.mclk);
 335         }
 336         if ((r = clk_set_rate(h2_tsc2101.mclk, 12000000)) < 0) {
 337                 dev_err(&spi->dev, "unable to set rate to the MCLK\n");
 338                 goto err;
 339         }
 340
 341         omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
 342         omap_cfg_reg(N15_1610_UWIRE_CS1);
 343
 344         h2_lcd_dev_init(spi);
 345
 346         return 0;
 347 err:
 348         clk_put(h2_tsc2101.mclk);
 349         return r;
 350 }
 351
 352 static void h2_tsc2101_cleanup(struct spi_device *spi)
 353 {
 354         clk_put(h2_tsc2101.mclk);
 355         omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
 356 }
 357
 358 static void h2_tsc2101_enable_mclk(struct spi_device *spi)
 359 {
 360         omap_cfg_reg(TSC2101_MUX_MCLK_ON);
 361         clk_enable(h2_tsc2101.mclk);
 362 }
 363
 364 static void h2_tsc2101_disable_mclk(struct spi_device *spi)
 365 {
 366         clk_disable(h2_tsc2101.mclk);
 367         omap_cfg_reg(R10_1610_MCLK_OFF);
 368 }
 369
 370 static struct tsc2101_platform_data h2_tsc2101_platform_data = {
 371         .init           = h2_tsc2101_init,
 372         .cleanup        = h2_tsc2101_cleanup,
 373         .enable_mclk    = h2_tsc2101_enable_mclk,
 374         .disable_mclk   = h2_tsc2101_disable_mclk,
 375 };
 376
 377 static struct spi_board_info h2_spi_board_info[] __initdata = {
 378         [0] = {
 379                 .modalias       = "tsc2101",
 380                 .bus_num        = 2,
 381                 .chip_select    = 1,
 382                 .max_speed_hz   = 16000000,
 383                 .platform_data  = &h2_tsc2101_platform_data,
 384         },
 385 };
 386
 387 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 388         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
 389         .spcr1 = RINTM(3) | RRST,
 390         .rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 391                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
 392         .rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
 393         .xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 394                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
 395         .xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
 396         .srgr1 = FWID(15),
 397         .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
 398
 399         .pcr0  = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
 400         //.pcr0 = CLKXP | CLKRP,        /* mcbsp: slave */
 401 };
 402
 403 static struct omap_alsa_codec_config alsa_config = {
 404         .name                   = "H2 TSC2101",
 405         .mcbsp_regs_alsa        = &mcbsp_regs,
 406         .codec_configure_dev    = NULL, // tsc2101_configure,
 407         .codec_set_samplerate   = NULL, // tsc2101_set_samplerate,
 408         .codec_clock_setup      = NULL, // tsc2101_clock_setup,
 409         .codec_clock_on         = NULL, // tsc2101_clock_on,
 410         .codec_clock_off        = NULL, // tsc2101_clock_off,
 411         .get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
 412 };
 413
 414 static struct platform_device h2_mcbsp1_device = {
 415         .name   = "omap_alsa_mcbsp",
 416         .id     = 1,
 417         .dev = {
 418                 .platform_data  = &alsa_config,
 419         },
 420 };
 421
 422 static struct platform_device *h2_devices[] __initdata = {
 423         &h2_nor_device,
 424         &h2_nand_device,
 425         &h2_smc91x_device,
 426         &h2_irda_device,
 427         &h2_kp_device,
 428         &h2_mcbsp1_device,
 429 };
 430
 431 static void __init h2_init_smc91x(void)
 432 {
 433         if ((omap_request_gpio(0)) < 0) {
 434                 printk("Error requesting gpio 0 for smc91x irq\n");
 435                 return;
 436         }
 437 }
 438
 439 static void __init h2_init_irq(void)
 440 {
 441         omap1_init_common_hw();
 442         omap_init_irq();
 443         omap_gpio_init();
 444         h2_init_smc91x();
 445 }
 446
 447 static struct omap_usb_config h2_usb_config __initdata = {
 448         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 449         .otg            = 2,
 450
 451 #ifdef  CONFIG_USB_GADGET_OMAP
 452         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 453         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 454 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 455         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 456         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 457 #endif
 458
 459         .pins[1]        = 3,
 460 };
 461
 462 static struct omap_mmc_config h2_mmc_config __initdata = {
 463         .mmc[0] = {
 464                 .enabled        = 1,
 465                 .wire4          = 1,
 466         },
 467 };
 468
 469 extern struct omap_mmc_platform_data h2_mmc_data;
 470
 471 static struct omap_uart_config h2_uart_config __initdata = {
 472         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 473 };
 474
 475 static struct omap_lcd_config h2_lcd_config __initdata = {
 476         .ctrl_name      = "internal",
 477 };
 478
 479 static struct omap_board_config_kernel h2_config[] __initdata = {
 480         { OMAP_TAG_USB,         &h2_usb_config },
 481         { OMAP_TAG_MMC,         &h2_mmc_config },
 482         { OMAP_TAG_UART,        &h2_uart_config },
 483         { OMAP_TAG_LCD,         &h2_lcd_config },
 484 };
 485
 486 static struct omap_gpio_switch h2_gpio_switches[] __initdata = {
 487         {
 488                 .name                   = "mmc_slot",
 489                 .gpio                   = OMAP_MPUIO(1),
 490                 .type                   = OMAP_GPIO_SWITCH_TYPE_COVER,
 491                 .debounce_rising        = 100,
 492                 .debounce_falling       = 0,
 493                 .notify                 = h2_mmc_slot_cover_handler,
 494                 .notify_data            = NULL,
 495         },
 496 };
 497
 498 #define H2_NAND_RB_GPIO_PIN     62
 499
 500 static int h2_nand_dev_ready(struct omap_nand_platform_data *data)
 501 {
 502         return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
 503 }
 504
 505 extern void __init h2_mmc_init(void);
 506
 507 static void __init h2_init(void)
 508 {
 509         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 510          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 511          * notice whether a NAND chip is enabled at probe time.
 512          *
 513          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 514          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 515          * detecting that in code here, to avoid probing every possible flash
 516          * configuration...
 517          */
 518         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 519         h2_nor_resource.end += SZ_32M - 1;
 520
 521         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 522         h2_nand_resource.end += SZ_4K - 1;
 523         if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
 524                 h2_nand_data.dev_ready = h2_nand_dev_ready;
 525
 526         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 527         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 528
 529         /* MMC:  card detect and WP */
 530         // omap_cfg_reg(U19_ARMIO1);            /* CD */
 531         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 532
 533         /* Irda */
 534 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 535         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
 536         if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
 537                 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 538                 h2_irda_data.transceiver_mode = h2_transceiver_mode;
 539         }
 540 #endif
 541
 542         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 543         spi_register_board_info(h2_spi_board_info,
 544                                 ARRAY_SIZE(h2_spi_board_info));
 545         omap_board_config = h2_config;
 546         omap_board_config_size = ARRAY_SIZE(h2_config);
 547         omap_serial_init();
 548         omap_register_i2c_bus(1, 100, NULL, 0);
 549         h2_mmc_init();
 550         omap_register_gpio_switches(h2_gpio_switches,
 551                                     ARRAY_SIZE(h2_gpio_switches));
 552 }
 553
 554 static void __init h2_map_io(void)
 555 {
 556         omap1_map_common_io();
 557 }
 558
 559 MACHINE_START(OMAP_H2, "TI-H2")
 560         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 561         .phys_io        = 0xfff00000,
 562         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 563         .boot_params    = 0x10000100,
 564         .map_io         = h2_map_io,
 565         .init_irq       = h2_init_irq,
 566         .init_machine   = h2_init,
 567         .timer          = &omap_timer,
 568 MACHINE_END