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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
  31 #include <asm/hardware.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/flash.h>
  35 #include <asm/mach/map.h>
  36
  37 #include <asm/arch/gpio.h>
  38 #include <asm/arch/mux.h>
  39 #include <asm/arch/tc.h>
  40 #include <asm/arch/irda.h>
  41 #include <asm/arch/usb.h>
  42 #include <asm/arch/keypad.h>
  43 #include <asm/arch/common.h>
  44 #include <asm/arch/mcbsp.h>
  45 #include <asm/arch/omap-alsa.h>
  46
  47 extern int omap_gpio_init(void);
  48
  49 static int h2_keymap[] = {
  50         KEY(0, 0, KEY_LEFT),
  51         KEY(0, 1, KEY_RIGHT),
  52         KEY(0, 2, KEY_3),
  53         KEY(0, 3, KEY_F10),
  54         KEY(0, 4, KEY_F5),
  55         KEY(0, 5, KEY_9),
  56         KEY(1, 0, KEY_DOWN),
  57         KEY(1, 1, KEY_UP),
  58         KEY(1, 2, KEY_2),
  59         KEY(1, 3, KEY_F9),
  60         KEY(1, 4, KEY_F7),
  61         KEY(1, 5, KEY_0),
  62         KEY(2, 0, KEY_ENTER),
  63         KEY(2, 1, KEY_6),
  64         KEY(2, 2, KEY_1),
  65         KEY(2, 3, KEY_F2),
  66         KEY(2, 4, KEY_F6),
  67         KEY(2, 5, KEY_HOME),
  68         KEY(3, 0, KEY_8),
  69         KEY(3, 1, KEY_5),
  70         KEY(3, 2, KEY_F12),
  71         KEY(3, 3, KEY_F3),
  72         KEY(3, 4, KEY_F8),
  73         KEY(3, 5, KEY_END),
  74         KEY(4, 0, KEY_7),
  75         KEY(4, 1, KEY_4),
  76         KEY(4, 2, KEY_F11),
  77         KEY(4, 3, KEY_F1),
  78         KEY(4, 4, KEY_F4),
  79         KEY(4, 5, KEY_ESC),
  80         KEY(5, 0, KEY_F13),
  81         KEY(5, 1, KEY_F14),
  82         KEY(5, 2, KEY_F15),
  83         KEY(5, 3, KEY_F16),
  84         KEY(5, 4, KEY_SLEEP),
  85         0
  86 };
  87
  88 static struct mtd_partition h2_nor_partitions[] = {
  89         /* bootloader (U-Boot, etc) in first sector */
  90         {
  91               .name             = "bootloader",
  92               .offset           = 0,
  93               .size             = SZ_128K,
  94               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  95         },
  96         /* bootloader params in the next sector */
  97         {
  98               .name             = "params",
  99               .offset           = MTDPART_OFS_APPEND,
 100               .size             = SZ_128K,
 101               .mask_flags       = 0,
 102         },
 103         /* kernel */
 104         {
 105               .name             = "kernel",
 106               .offset           = MTDPART_OFS_APPEND,
 107               .size             = SZ_2M,
 108               .mask_flags       = 0
 109         },
 110         /* file system */
 111         {
 112               .name             = "filesystem",
 113               .offset           = MTDPART_OFS_APPEND,
 114               .size             = MTDPART_SIZ_FULL,
 115               .mask_flags       = 0
 116         }
 117 };
 118
 119 static struct flash_platform_data h2_nor_data = {
 120         .map_name       = "cfi_probe",
 121         .width          = 2,
 122         .parts          = h2_nor_partitions,
 123         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
 124 };
 125
 126 static struct resource h2_nor_resource = {
 127         /* This is on CS3, wherever it's mapped */
 128         .flags          = IORESOURCE_MEM,
 129 };
 130
 131 static struct platform_device h2_nor_device = {
 132         .name           = "omapflash",
 133         .id             = 0,
 134         .dev            = {
 135                 .platform_data  = &h2_nor_data,
 136         },
 137         .num_resources  = 1,
 138         .resource       = &h2_nor_resource,
 139 };
 140
 141 static struct resource h2_smc91x_resources[] = {
 142         [0] = {
 143                 .start  = OMAP1610_ETHR_START,          /* Physical */
 144                 .end    = OMAP1610_ETHR_START + 0xf,
 145                 .flags  = IORESOURCE_MEM,
 146         },
 147         [1] = {
 148                 .start  = OMAP_GPIO_IRQ(0),
 149                 .end    = OMAP_GPIO_IRQ(0),
 150                 .flags  = IORESOURCE_IRQ,
 151         },
 152 };
 153
 154 static struct platform_device h2_smc91x_device = {
 155         .name           = "smc91x",
 156         .id             = 0,
 157         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 158         .resource       = h2_smc91x_resources,
 159 };
 160
 161 static struct resource h2_kp_resources[] = {
 162         [0] = {
 163                 .start  = INT_KEYBOARD,
 164                 .end    = INT_KEYBOARD,
 165                 .flags  = IORESOURCE_IRQ,
 166         },
 167 };
 168
 169 static struct omap_kp_platform_data h2_kp_data = {
 170         .rows           = 8,
 171         .cols           = 8,
 172         .keymap         = h2_keymap,
 173         .keymapsize     = ARRAY_SIZE(h2_keymap),
 174         .rep            = 1,
 175         .delay          = 9,
 176         .dbounce        = 1,
 177 };
 178
 179 static struct platform_device h2_kp_device = {
 180         .name           = "omap-keypad",
 181         .id             = -1,
 182         .dev            = {
 183                 .platform_data = &h2_kp_data,
 184         },
 185         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 186         .resource       = h2_kp_resources,
 187 };
 188
 189 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 190
 191 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 192 static int h2_transceiver_mode(struct device *dev, int state)
 193 {
 194         if (state & IR_SIRMODE)
 195                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 196         else    /* MIR/FIR */
 197                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
 198
 199         return 0;
 200 }
 201 #endif
 202
 203 static struct omap_irda_config h2_irda_data = {
 204         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 205         .rx_channel             = OMAP_DMA_UART3_RX,
 206         .tx_channel             = OMAP_DMA_UART3_TX,
 207         .dest_start             = UART3_THR,
 208         .src_start              = UART3_RHR,
 209         .tx_trigger             = 0,
 210         .rx_trigger             = 0,
 211 };
 212
 213 static struct resource h2_irda_resources[] = {
 214         [0] = {
 215                 .start  = INT_UART3,
 216                 .end    = INT_UART3,
 217                 .flags  = IORESOURCE_IRQ,
 218         },
 219 };
 220 static struct platform_device h2_irda_device = {
 221         .name           = "omapirda",
 222         .id             = 0,
 223         .dev            = {
 224                 .platform_data  = &h2_irda_data,
 225         },
 226         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 227         .resource       = h2_irda_resources,
 228 };
 229
 230 static struct platform_device h2_lcd_device = {
 231         .name           = "lcd_h2",
 232         .id             = -1,
 233 };
 234
 235 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 236         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
 237         .spcr1 = RINTM(3) | RRST,
 238         .rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 239                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
 240         .rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
 241         .xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 242                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
 243         .xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
 244         .srgr1 = FWID(15),
 245         .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
 246
 247         .pcr0  = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
 248         //.pcr0 = CLKXP | CLKRP,        /* mcbsp: slave */
 249 };
 250
 251 static struct omap_alsa_codec_config alsa_config = {
 252         .name                   = "H2 TSC2101",
 253         .mcbsp_regs_alsa        = &mcbsp_regs,
 254         .codec_configure_dev    = NULL, // tsc2101_configure,
 255         .codec_set_samplerate   = NULL, // tsc2101_set_samplerate,
 256         .codec_clock_setup      = NULL, // tsc2101_clock_setup,
 257         .codec_clock_on         = NULL, // tsc2101_clock_on,
 258         .codec_clock_off        = NULL, // tsc2101_clock_off,
 259         .get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
 260 };
 261
 262 static struct platform_device h2_mcbsp1_device = {
 263         .name   = "omap_alsa_mcbsp",
 264         .id     = 1,
 265         .dev = {
 266                 .platform_data  = &alsa_config,
 267         },
 268 };
 269
 270 static struct platform_device *h2_devices[] __initdata = {
 271         &h2_nor_device,
 272         &h2_smc91x_device,
 273         &h2_irda_device,
 274         &h2_kp_device,
 275         &h2_lcd_device,
 276         &h2_mcbsp1_device,
 277 };
 278
 279 static void __init h2_init_smc91x(void)
 280 {
 281         if ((omap_request_gpio(0)) < 0) {
 282                 printk("Error requesting gpio 0 for smc91x irq\n");
 283                 return;
 284         }
 285 }
 286
 287 static void __init h2_init_irq(void)
 288 {
 289         omap1_init_common_hw();
 290         omap_init_irq();
 291         omap_gpio_init();
 292         h2_init_smc91x();
 293 }
 294
 295 static struct omap_usb_config h2_usb_config __initdata = {
 296         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 297         .otg            = 2,
 298
 299 #ifdef  CONFIG_USB_GADGET_OMAP
 300         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 301         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 302 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 303         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 304         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 305 #endif
 306
 307         .pins[1]        = 3,
 308 };
 309
 310 static struct omap_mmc_config h2_mmc_config __initdata = {
 311         .mmc [0] = {
 312                 .enabled        = 1,
 313                 .wire4          = 1,
 314                 .wp_pin         = OMAP_MPUIO(3),
 315                 .power_pin      = -1,   /* tps65010 gpio3 */
 316                 .switch_pin     = OMAP_MPUIO(1),
 317         },
 318 };
 319
 320 static struct omap_uart_config h2_uart_config __initdata = {
 321         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 322 };
 323
 324 static struct omap_lcd_config h2_lcd_config __initdata = {
 325         .ctrl_name      = "internal",
 326 };
 327
 328 static struct omap_board_config_kernel h2_config[] = {
 329         { OMAP_TAG_USB,           &h2_usb_config },
 330         { OMAP_TAG_MMC,           &h2_mmc_config },
 331         { OMAP_TAG_UART,        &h2_uart_config },
 332         { OMAP_TAG_LCD,         &h2_lcd_config },
 333 };
 334
 335 static void __init h2_init(void)
 336 {
 337         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 338          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 339          * notice whether a NAND chip is enabled at probe time.
 340          *
 341          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 342          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 343          * detecting that in code here, to avoid probing every possible flash
 344          * configuration...
 345          */
 346         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 347         h2_nor_resource.end += SZ_32M - 1;
 348
 349         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 350         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 351
 352         /* MMC:  card detect and WP */
 353         // omap_cfg_reg(U19_ARMIO1);            /* CD */
 354         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 355
 356         /* Irda */
 357 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 358         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
 359         if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
 360                 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 361                 h2_irda_data.transceiver_mode = h2_transceiver_mode;
 362         }
 363 #endif
 364
 365         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 366         omap_board_config = h2_config;
 367         omap_board_config_size = ARRAY_SIZE(h2_config);
 368         omap_serial_init();
 369 }
 370
 371 static void __init h2_map_io(void)
 372 {
 373         omap1_map_common_io();
 374 }
 375
 376 MACHINE_START(OMAP_H2, "TI-H2")
 377         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 378         .phys_io        = 0xfff00000,
 379         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 380         .boot_params    = 0x10000100,
 381         .map_io         = h2_map_io,
 382         .init_irq       = h2_init_irq,
 383         .init_machine   = h2_init,
 384         .timer          = &omap_timer,
 385 MACHINE_END