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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 #include <linux/i2c/tps65010.h>
  31
  32 #include <mach/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 <mach/gpio-switch.h>
  41 #include <mach/mux.h>
  42 #include <mach/tc.h>
  43 #include <mach/nand.h>
  44 #include <mach/irda.h>
  45 #include <mach/usb.h>
  46 #include <mach/keypad.h>
  47 #include <mach/common.h>
  48 #include <mach/mcbsp.h>
  49 #include <mach/omap-alsa.h>
  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 static struct mtd_partition h2_nand_partitions[] = {
 144 #if 0
 145         /* REVISIT:  enable these partitions if you make NAND BOOT
 146          * work on your H2 (rev C or newer); published versions of
 147          * x-load only support P2 and H3.
 148          */
 149         {
 150                 .name           = "xloader",
 151                 .offset         = 0,
 152                 .size           = 64 * 1024,
 153                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 154         },
 155         {
 156                 .name           = "bootloader",
 157                 .offset         = MTDPART_OFS_APPEND,
 158                 .size           = 256 * 1024,
 159                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 160         },
 161         {
 162                 .name           = "params",
 163                 .offset         = MTDPART_OFS_APPEND,
 164                 .size           = 192 * 1024,
 165         },
 166         {
 167                 .name           = "kernel",
 168                 .offset         = MTDPART_OFS_APPEND,
 169                 .size           = 2 * SZ_1M,
 170         },
 171 #endif
 172         {
 173                 .name           = "filesystem",
 174                 .size           = MTDPART_SIZ_FULL,
 175                 .offset         = MTDPART_OFS_APPEND,
 176         },
 177 };
 178
 179 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
 180 static struct omap_nand_platform_data h2_nand_data = {
 181         .options        = NAND_SAMSUNG_LP_OPTIONS,
 182         .parts          = h2_nand_partitions,
 183         .nr_parts       = ARRAY_SIZE(h2_nand_partitions),
 184 };
 185
 186 static struct resource h2_nand_resource = {
 187         .flags          = IORESOURCE_MEM,
 188 };
 189
 190 static struct platform_device h2_nand_device = {
 191         .name           = "omapnand",
 192         .id             = 0,
 193         .dev            = {
 194                 .platform_data  = &h2_nand_data,
 195         },
 196         .num_resources  = 1,
 197         .resource       = &h2_nand_resource,
 198 };
 199
 200 static struct resource h2_smc91x_resources[] = {
 201         [0] = {
 202                 .start  = OMAP1610_ETHR_START,          /* Physical */
 203                 .end    = OMAP1610_ETHR_START + 0xf,
 204                 .flags  = IORESOURCE_MEM,
 205         },
 206         [1] = {
 207                 .start  = OMAP_GPIO_IRQ(0),
 208                 .end    = OMAP_GPIO_IRQ(0),
 209                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 210         },
 211 };
 212
 213 static struct platform_device h2_smc91x_device = {
 214         .name           = "smc91x",
 215         .id             = 0,
 216         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 217         .resource       = h2_smc91x_resources,
 218 };
 219
 220 static struct resource h2_kp_resources[] = {
 221         [0] = {
 222                 .start  = INT_KEYBOARD,
 223                 .end    = INT_KEYBOARD,
 224                 .flags  = IORESOURCE_IRQ,
 225         },
 226 };
 227
 228 static struct omap_kp_platform_data h2_kp_data = {
 229         .rows           = 8,
 230         .cols           = 8,
 231         .keymap         = h2_keymap,
 232         .keymapsize     = ARRAY_SIZE(h2_keymap),
 233         .rep            = 1,
 234         .delay          = 9,
 235         .dbounce        = 1,
 236 };
 237
 238 static struct platform_device h2_kp_device = {
 239         .name           = "omap-keypad",
 240         .id             = -1,
 241         .dev            = {
 242                 .platform_data = &h2_kp_data,
 243         },
 244         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 245         .resource       = h2_kp_resources,
 246 };
 247
 248 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 249
 250 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 251 static int h2_transceiver_mode(struct device *dev, int state)
 252 {
 253         /* SIR when low, else MIR/FIR when HIGH */
 254         gpio_set_value(H2_IRDA_FIRSEL_GPIO_PIN, !(state & IR_SIRMODE));
 255         return 0;
 256 }
 257 #endif
 258
 259 static struct omap_irda_config h2_irda_data = {
 260         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 261         .rx_channel             = OMAP_DMA_UART3_RX,
 262         .tx_channel             = OMAP_DMA_UART3_TX,
 263         .dest_start             = UART3_THR,
 264         .src_start              = UART3_RHR,
 265         .tx_trigger             = 0,
 266         .rx_trigger             = 0,
 267 };
 268
 269 static struct resource h2_irda_resources[] = {
 270         [0] = {
 271                 .start  = INT_UART3,
 272                 .end    = INT_UART3,
 273                 .flags  = IORESOURCE_IRQ,
 274         },
 275 };
 276
 277 static u64 irda_dmamask = 0xffffffff;
 278
 279 static struct platform_device h2_irda_device = {
 280         .name           = "omapirda",
 281         .id             = 0,
 282         .dev            = {
 283                 .platform_data  = &h2_irda_data,
 284                 .dma_mask       = &irda_dmamask,
 285         },
 286         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 287         .resource       = h2_irda_resources,
 288 };
 289
 290 static struct platform_device h2_lcd_device = {
 291         .name           = "lcd_h2",
 292         .id             = -1,
 293 };
 294
 295 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 296         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
 297         .spcr1 = RINTM(3) | RRST,
 298         .rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 299                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
 300         .rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
 301         .xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 302                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
 303         .xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
 304         .srgr1 = FWID(15),
 305         .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
 306
 307         .pcr0  = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
 308         /*.pcr0 = CLKXP | CLKRP,*/        /* mcbsp: slave */
 309 };
 310
 311 static struct omap_alsa_codec_config alsa_config = {
 312         .name                   = "H2 TSC2101",
 313         .mcbsp_regs_alsa        = &mcbsp_regs,
 314         .codec_configure_dev    = NULL, /* tsc2101_configure, */
 315         .codec_set_samplerate   = NULL, /* tsc2101_set_samplerate, */
 316         .codec_clock_setup      = NULL, /* tsc2101_clock_setup, */
 317         .codec_clock_on         = NULL, /* tsc2101_clock_on, */
 318         .codec_clock_off        = NULL, /* tsc2101_clock_off, */
 319         .get_default_samplerate = NULL, /* tsc2101_get_default_samplerate, */
 320 };
 321
 322 static struct platform_device h2_mcbsp1_device = {
 323         .name   = "omap_alsa_mcbsp",
 324         .id     = 1,
 325         .dev = {
 326                 .platform_data  = &alsa_config,
 327         },
 328 };
 329
 330 static struct platform_device *h2_devices[] __initdata = {
 331         &h2_nor_device,
 332         &h2_nand_device,
 333         &h2_smc91x_device,
 334         &h2_irda_device,
 335         &h2_kp_device,
 336         &h2_lcd_device,
 337         &h2_mcbsp1_device,
 338 };
 339
 340 static void __init h2_init_smc91x(void)
 341 {
 342         if (gpio_request(0, "SMC91x irq") < 0) {
 343                 printk("Error requesting gpio 0 for smc91x irq\n");
 344                 return;
 345         }
 346 }
 347
 348 static int tps_setup(struct i2c_client *client, void *context)
 349 {
 350         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
 351                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
 352
 353         return 0;
 354 }
 355
 356 static struct tps65010_board tps_board = {
 357         .base           = H2_TPS_GPIO_BASE,
 358         .outmask        = 0x0f,
 359         .setup          = tps_setup,
 360 };
 361
 362 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 363         {
 364                 I2C_BOARD_INFO("tps65010", 0x48),
 365                 .irq            = OMAP_GPIO_IRQ(58),
 366                 .platform_data  = &tps_board,
 367         }, {
 368                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 369                 .irq            = OMAP_GPIO_IRQ(2),
 370         },
 371 };
 372
 373 static void __init h2_init_irq(void)
 374 {
 375         omap1_init_common_hw();
 376         omap_init_irq();
 377         omap_gpio_init();
 378         h2_init_smc91x();
 379 }
 380
 381 static struct omap_usb_config h2_usb_config __initdata = {
 382         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 383         .otg            = 2,
 384
 385 #ifdef  CONFIG_USB_GADGET_OMAP
 386         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 387         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 388 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 389         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 390         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 391 #endif
 392
 393         .pins[1]        = 3,
 394 };
 395
 396 static struct omap_uart_config h2_uart_config __initdata = {
 397         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 398 };
 399
 400 static struct omap_lcd_config h2_lcd_config __initdata = {
 401         .ctrl_name      = "internal",
 402 };
 403
 404 static struct omap_board_config_kernel h2_config[] __initdata = {
 405         { OMAP_TAG_USB,         &h2_usb_config },
 406         { OMAP_TAG_UART,        &h2_uart_config },
 407         { OMAP_TAG_LCD,         &h2_lcd_config },
 408 };
 409
 410 #define H2_NAND_RB_GPIO_PIN     62
 411
 412 static int h2_nand_dev_ready(struct omap_nand_platform_data *data)
 413 {
 414         return gpio_get_value(H2_NAND_RB_GPIO_PIN);
 415 }
 416
 417 static void __init h2_init(void)
 418 {
 419         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 420          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 421          * notice whether a NAND chip is enabled at probe time.
 422          *
 423          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 424          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 425          * detecting that in code here, to avoid probing every possible flash
 426          * configuration...
 427          */
 428         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 429         h2_nor_resource.end += SZ_32M - 1;
 430
 431         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 432         h2_nand_resource.end += SZ_4K - 1;
 433         if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 434                 BUG();
 435         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
 436
 437         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 438         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 439
 440         /* MMC:  card detect and WP */
 441         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
 442         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 443
 444         /* Irda */
 445 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 446         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
 447         if (gpio_request(H2_IRDA_FIRSEL_GPIO_PIN, "IRDA mode") < 0)
 448                 BUG();
 449         gpio_direction_output(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 450         h2_irda_data.transceiver_mode = h2_transceiver_mode;
 451 #endif
 452
 453         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 454         omap_board_config = h2_config;
 455         omap_board_config_size = ARRAY_SIZE(h2_config);
 456         omap_serial_init();
 457         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
 458                               ARRAY_SIZE(h2_i2c_board_info));
 459         h2_mmc_init();
 460 }
 461
 462 static void __init h2_map_io(void)
 463 {
 464         omap1_map_common_io();
 465 }
 466
 467 MACHINE_START(OMAP_H2, "TI-H2")
 468         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 469         .phys_io        = 0xfff00000,
 470         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 471         .boot_params    = 0x10000100,
 472         .map_io         = h2_map_io,
 473         .init_irq       = h2_init_irq,
 474         .init_machine   = h2_init,
 475         .timer          = &omap_timer,
 476 MACHINE_END