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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 static struct resource h2_smc91x_resources[] = {
 144         [0] = {
 145                 .start  = OMAP1610_ETHR_START,          /* Physical */
 146                 .end    = OMAP1610_ETHR_START + 0xf,
 147                 .flags  = IORESOURCE_MEM,
 148         },
 149         [1] = {
 150                 .start  = OMAP_GPIO_IRQ(0),
 151                 .end    = OMAP_GPIO_IRQ(0),
 152                 .flags  = IORESOURCE_IRQ,
 153         },
 154 };
 155
 156 static struct platform_device h2_smc91x_device = {
 157         .name           = "smc91x",
 158         .id             = 0,
 159         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 160         .resource       = h2_smc91x_resources,
 161 };
 162
 163 static struct resource h2_kp_resources[] = {
 164         [0] = {
 165                 .start  = INT_KEYBOARD,
 166                 .end    = INT_KEYBOARD,
 167                 .flags  = IORESOURCE_IRQ,
 168         },
 169 };
 170
 171 static struct omap_kp_platform_data h2_kp_data = {
 172         .rows           = 8,
 173         .cols           = 8,
 174         .keymap         = h2_keymap,
 175         .keymapsize     = ARRAY_SIZE(h2_keymap),
 176         .rep            = 1,
 177         .delay          = 9,
 178         .dbounce        = 1,
 179 };
 180
 181 static struct platform_device h2_kp_device = {
 182         .name           = "omap-keypad",
 183         .id             = -1,
 184         .dev            = {
 185                 .platform_data = &h2_kp_data,
 186         },
 187         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 188         .resource       = h2_kp_resources,
 189 };
 190
 191 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 192
 193 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 194 static int h2_transceiver_mode(struct device *dev, int state)
 195 {
 196         if (state & IR_SIRMODE)
 197                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 198         else    /* MIR/FIR */
 199                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
 200
 201         return 0;
 202 }
 203 #endif
 204
 205 static struct omap_irda_config h2_irda_data = {
 206         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 207         .rx_channel             = OMAP_DMA_UART3_RX,
 208         .tx_channel             = OMAP_DMA_UART3_TX,
 209         .dest_start             = UART3_THR,
 210         .src_start              = UART3_RHR,
 211         .tx_trigger             = 0,
 212         .rx_trigger             = 0,
 213 };
 214
 215 static struct resource h2_irda_resources[] = {
 216         [0] = {
 217                 .start  = INT_UART3,
 218                 .end    = INT_UART3,
 219                 .flags  = IORESOURCE_IRQ,
 220         },
 221 };
 222 static struct platform_device h2_irda_device = {
 223         .name           = "omapirda",
 224         .id             = 0,
 225         .dev            = {
 226                 .platform_data  = &h2_irda_data,
 227         },
 228         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 229         .resource       = h2_irda_resources,
 230 };
 231
 232 static struct platform_device h2_lcd_device = {
 233         .name           = "lcd_h2",
 234         .id             = -1,
 235 };
 236
 237 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 238         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
 239         .spcr1 = RINTM(3) | RRST,
 240         .rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 241                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
 242         .rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
 243         .xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 244                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
 245         .xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
 246         .srgr1 = FWID(15),
 247         .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
 248
 249         .pcr0  = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
 250         //.pcr0 = CLKXP | CLKRP,        /* mcbsp: slave */
 251 };
 252
 253 static struct omap_alsa_codec_config alsa_config = {
 254         .name                   = "H2 TSC2101",
 255         .mcbsp_regs_alsa        = &mcbsp_regs,
 256         .codec_configure_dev    = NULL, // tsc2101_configure,
 257         .codec_set_samplerate   = NULL, // tsc2101_set_samplerate,
 258         .codec_clock_setup      = NULL, // tsc2101_clock_setup,
 259         .codec_clock_on         = NULL, // tsc2101_clock_on,
 260         .codec_clock_off        = NULL, // tsc2101_clock_off,
 261         .get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
 262 };
 263
 264 static struct platform_device h2_mcbsp1_device = {
 265         .name   = "omap_alsa_mcbsp",
 266         .id     = 1,
 267         .dev = {
 268                 .platform_data  = &alsa_config,
 269         },
 270 };
 271
 272 static struct platform_device *h2_devices[] __initdata = {
 273         &h2_nor_device,
 274         &h2_smc91x_device,
 275         &h2_irda_device,
 276         &h2_kp_device,
 277         &h2_lcd_device,
 278         &h2_mcbsp1_device,
 279 };
 280
 281 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 282         {
 283                 I2C_BOARD_INFO("tps65010", 0x48),
 284                 .type           = "tps65010",
 285                 .irq            = OMAP_GPIO_IRQ(58),
 286         },
 287         /* TODO when driver support is ready:
 288          *  - isp1301 OTG transceiver
 289          *  - optional ov9640 camera sensor at 0x30
 290          *  - pcf9754 for aGPS control
 291          *  - ... etc
 292          */
 293 };
 294
 295 static void __init h2_init_smc91x(void)
 296 {
 297         if ((omap_request_gpio(0)) < 0) {
 298                 printk("Error requesting gpio 0 for smc91x irq\n");
 299                 return;
 300         }
 301 }
 302
 303 static void __init h2_init_irq(void)
 304 {
 305         omap1_init_common_hw();
 306         omap_init_irq();
 307         omap_gpio_init();
 308         h2_init_smc91x();
 309 }
 310
 311 static struct omap_usb_config h2_usb_config __initdata = {
 312         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 313         .otg            = 2,
 314
 315 #ifdef  CONFIG_USB_GADGET_OMAP
 316         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 317         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 318 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 319         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 320         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 321 #endif
 322
 323         .pins[1]        = 3,
 324 };
 325
 326 static struct omap_mmc_config h2_mmc_config __initdata = {
 327         .mmc [0] = {
 328                 .enabled        = 1,
 329                 .wire4          = 1,
 330                 .wp_pin         = OMAP_MPUIO(3),
 331                 .power_pin      = -1,   /* tps65010 gpio3 */
 332                 .switch_pin     = OMAP_MPUIO(1),
 333         },
 334 };
 335
 336 static struct omap_uart_config h2_uart_config __initdata = {
 337         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 338 };
 339
 340 static struct omap_lcd_config h2_lcd_config __initdata = {
 341         .ctrl_name      = "internal",
 342 };
 343
 344 static struct omap_board_config_kernel h2_config[] __initdata = {
 345         { OMAP_TAG_USB,           &h2_usb_config },
 346         { OMAP_TAG_MMC,           &h2_mmc_config },
 347         { OMAP_TAG_UART,        &h2_uart_config },
 348         { OMAP_TAG_LCD,         &h2_lcd_config },
 349 };
 350
 351 static void __init h2_init(void)
 352 {
 353         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 354          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 355          * notice whether a NAND chip is enabled at probe time.
 356          *
 357          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 358          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 359          * detecting that in code here, to avoid probing every possible flash
 360          * configuration...
 361          */
 362         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 363         h2_nor_resource.end += SZ_32M - 1;
 364
 365         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 366         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 367
 368         /* MMC:  card detect and WP */
 369         // omap_cfg_reg(U19_ARMIO1);            /* CD */
 370         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 371
 372         /* Irda */
 373 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 374         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
 375         if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
 376                 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 377                 h2_irda_data.transceiver_mode = h2_transceiver_mode;
 378         }
 379 #endif
 380
 381         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 382         omap_board_config = h2_config;
 383         omap_board_config_size = ARRAY_SIZE(h2_config);
 384         omap_serial_init();
 385
 386         /* irq for tps65010 chip */
 387         omap_cfg_reg(W4_GPIO58);
 388         if (gpio_request(58, "tps65010") == 0)
 389                 gpio_direction_input(58);
 390
 391         i2c_register_board_info(1, h2_i2c_board_info,
 392                         ARRAY_SIZE(h2_i2c_board_info));
 393 }
 394
 395 static void __init h2_map_io(void)
 396 {
 397         omap1_map_common_io();
 398 }
 399
 400 #ifdef CONFIG_TPS65010
 401 static int __init h2_tps_init(void)
 402 {
 403         if (!machine_is_omap_h2())
 404                 return 0;
 405
 406         /* gpio3 for SD, gpio4 for VDD_DSP */
 407         /* FIXME send power to DSP iff it's configured */
 408
 409         /* Enable LOW_PWR */
 410         tps65010_set_low_pwr(ON);
 411         return 0;
 412 }
 413 fs_initcall(h2_tps_init);
 414 #endif
 415
 416 MACHINE_START(OMAP_H2, "TI-H2")
 417         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 418         .phys_io        = 0xfff00000,
 419         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 420         .boot_params    = 0x10000100,
 421         .map_io         = h2_map_io,
 422         .init_irq       = h2_init_irq,
 423         .init_machine   = h2_init,
 424         .timer          = &omap_timer,
 425 MACHINE_END