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