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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/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 static struct resource h2_smc91x_resources[] = {
 143         [0] = {
 144                 .start  = OMAP1610_ETHR_START,          /* Physical */
 145                 .end    = OMAP1610_ETHR_START + 0xf,
 146                 .flags  = IORESOURCE_MEM,
 147         },
 148         [1] = {
 149                 .start  = OMAP_GPIO_IRQ(0),
 150                 .end    = OMAP_GPIO_IRQ(0),
 151                 .flags  = IORESOURCE_IRQ,
 152         },
 153 };
 154
 155 static struct platform_device h2_smc91x_device = {
 156         .name           = "smc91x",
 157         .id             = 0,
 158         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 159         .resource       = h2_smc91x_resources,
 160 };
 161
 162 static struct resource h2_kp_resources[] = {
 163         [0] = {
 164                 .start  = INT_KEYBOARD,
 165                 .end    = INT_KEYBOARD,
 166                 .flags  = IORESOURCE_IRQ,
 167         },
 168 };
 169
 170 static struct omap_kp_platform_data h2_kp_data = {
 171         .rows           = 8,
 172         .cols           = 8,
 173         .keymap         = h2_keymap,
 174         .keymapsize     = ARRAY_SIZE(h2_keymap),
 175         .rep            = 1,
 176         .delay          = 9,
 177         .dbounce        = 1,
 178 };
 179
 180 static struct platform_device h2_kp_device = {
 181         .name           = "omap-keypad",
 182         .id             = -1,
 183         .dev            = {
 184                 .platform_data = &h2_kp_data,
 185         },
 186         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 187         .resource       = h2_kp_resources,
 188 };
 189
 190 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 191
 192 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 193 static int h2_transceiver_mode(struct device *dev, int state)
 194 {
 195         if (state & IR_SIRMODE)
 196                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 197         else    /* MIR/FIR */
 198                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
 199
 200         return 0;
 201 }
 202 #endif
 203
 204 static struct omap_irda_config h2_irda_data = {
 205         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 206         .rx_channel             = OMAP_DMA_UART3_RX,
 207         .tx_channel             = OMAP_DMA_UART3_TX,
 208         .dest_start             = UART3_THR,
 209         .src_start              = UART3_RHR,
 210         .tx_trigger             = 0,
 211         .rx_trigger             = 0,
 212 };
 213
 214 static struct resource h2_irda_resources[] = {
 215         [0] = {
 216                 .start  = INT_UART3,
 217                 .end    = INT_UART3,
 218                 .flags  = IORESOURCE_IRQ,
 219         },
 220 };
 221 static struct platform_device h2_irda_device = {
 222         .name           = "omapirda",
 223         .id             = 0,
 224         .dev            = {
 225                 .platform_data  = &h2_irda_data,
 226         },
 227         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 228         .resource       = h2_irda_resources,
 229 };
 230
 231 static struct platform_device h2_lcd_device = {
 232         .name           = "lcd_h2",
 233         .id             = -1,
 234 };
 235
 236 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 237         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
 238         .spcr1 = RINTM(3) | RRST,
 239         .rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 240                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
 241         .rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
 242         .xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 243                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
 244         .xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
 245         .srgr1 = FWID(15),
 246         .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
 247
 248         .pcr0  = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
 249         //.pcr0 = CLKXP | CLKRP,        /* mcbsp: slave */
 250 };
 251
 252 static struct omap_alsa_codec_config alsa_config = {
 253         .name                   = "H2 TSC2101",
 254         .mcbsp_regs_alsa        = &mcbsp_regs,
 255         .codec_configure_dev    = NULL, // tsc2101_configure,
 256         .codec_set_samplerate   = NULL, // tsc2101_set_samplerate,
 257         .codec_clock_setup      = NULL, // tsc2101_clock_setup,
 258         .codec_clock_on         = NULL, // tsc2101_clock_on,
 259         .codec_clock_off        = NULL, // tsc2101_clock_off,
 260         .get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
 261 };
 262
 263 static struct platform_device h2_mcbsp1_device = {
 264         .name   = "omap_alsa_mcbsp",
 265         .id     = 1,
 266         .dev = {
 267                 .platform_data  = &alsa_config,
 268         },
 269 };
 270
 271 static struct platform_device *h2_devices[] __initdata = {
 272         &h2_nor_device,
 273         &h2_smc91x_device,
 274         &h2_irda_device,
 275         &h2_kp_device,
 276         &h2_lcd_device,
 277         &h2_mcbsp1_device,
 278 };
 279
 280 static void __init h2_init_smc91x(void)
 281 {
 282         if ((omap_request_gpio(0)) < 0) {
 283                 printk("Error requesting gpio 0 for smc91x irq\n");
 284                 return;
 285         }
 286 }
 287
 288 static void __init h2_init_irq(void)
 289 {
 290         omap1_init_common_hw();
 291         omap_init_irq();
 292         omap_gpio_init();
 293         h2_init_smc91x();
 294 }
 295
 296 static struct omap_usb_config h2_usb_config __initdata = {
 297         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 298         .otg            = 2,
 299
 300 #ifdef  CONFIG_USB_GADGET_OMAP
 301         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 302         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 303 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 304         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 305         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 306 #endif
 307
 308         .pins[1]        = 3,
 309 };
 310
 311 static struct omap_mmc_config h2_mmc_config __initdata = {
 312         .mmc [0] = {
 313                 .enabled        = 1,
 314                 .wire4          = 1,
 315                 .wp_pin         = OMAP_MPUIO(3),
 316                 .power_pin      = -1,   /* tps65010 gpio3 */
 317                 .switch_pin     = OMAP_MPUIO(1),
 318         },
 319 };
 320
 321 static struct omap_uart_config h2_uart_config __initdata = {
 322         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 323 };
 324
 325 static struct omap_lcd_config h2_lcd_config __initdata = {
 326         .ctrl_name      = "internal",
 327 };
 328
 329 static struct omap_board_config_kernel h2_config[] = {
 330         { OMAP_TAG_USB,           &h2_usb_config },
 331         { OMAP_TAG_MMC,           &h2_mmc_config },
 332         { OMAP_TAG_UART,        &h2_uart_config },
 333         { OMAP_TAG_LCD,         &h2_lcd_config },
 334 };
 335
 336 static void __init h2_init(void)
 337 {
 338         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 339          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 340          * notice whether a NAND chip is enabled at probe time.
 341          *
 342          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 343          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 344          * detecting that in code here, to avoid probing every possible flash
 345          * configuration...
 346          */
 347         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 348         h2_nor_resource.end += SZ_32M - 1;
 349
 350         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 351         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 352
 353         /* MMC:  card detect and WP */
 354         // omap_cfg_reg(U19_ARMIO1);            /* CD */
 355         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 356
 357         /* Irda */
 358 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 359         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
 360         if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
 361                 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 362                 h2_irda_data.transceiver_mode = h2_transceiver_mode;
 363         }
 364 #endif
 365
 366         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 367         omap_board_config = h2_config;
 368         omap_board_config_size = ARRAY_SIZE(h2_config);
 369         omap_serial_init();
 370 }
 371
 372 static void __init h2_map_io(void)
 373 {
 374         omap1_map_common_io();
 375 }
 376
 377 MACHINE_START(OMAP_H2, "TI-H2")
 378         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 379         .phys_io        = 0xfff00000,
 380         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 381         .boot_params    = 0x10000100,
 382         .map_io         = h2_map_io,
 383         .init_irq       = h2_init_irq,
 384         .init_machine   = h2_init,
 385         .timer          = &omap_timer,
 386 MACHINE_END