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