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/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/mux.h>
  41 #include <mach/dma.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
  49 #include "board-h2.h"
  50
  51 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  52 #define OMAP1610_ETHR_START             0x04000300
  53
  54 static int h2_keymap[] = {
  55         KEY(0, 0, KEY_LEFT),
  56         KEY(0, 1, KEY_RIGHT),
  57         KEY(0, 2, KEY_3),
  58         KEY(0, 3, KEY_F10),
  59         KEY(0, 4, KEY_F5),
  60         KEY(0, 5, KEY_9),
  61         KEY(1, 0, KEY_DOWN),
  62         KEY(1, 1, KEY_UP),
  63         KEY(1, 2, KEY_2),
  64         KEY(1, 3, KEY_F9),
  65         KEY(1, 4, KEY_F7),
  66         KEY(1, 5, KEY_0),
  67         KEY(2, 0, KEY_ENTER),
  68         KEY(2, 1, KEY_6),
  69         KEY(2, 2, KEY_1),
  70         KEY(2, 3, KEY_F2),
  71         KEY(2, 4, KEY_F6),
  72         KEY(2, 5, KEY_HOME),
  73         KEY(3, 0, KEY_8),
  74         KEY(3, 1, KEY_5),
  75         KEY(3, 2, KEY_F12),
  76         KEY(3, 3, KEY_F3),
  77         KEY(3, 4, KEY_F8),
  78         KEY(3, 5, KEY_END),
  79         KEY(4, 0, KEY_7),
  80         KEY(4, 1, KEY_4),
  81         KEY(4, 2, KEY_F11),
  82         KEY(4, 3, KEY_F1),
  83         KEY(4, 4, KEY_F4),
  84         KEY(4, 5, KEY_ESC),
  85         KEY(5, 0, KEY_F13),
  86         KEY(5, 1, KEY_F14),
  87         KEY(5, 2, KEY_F15),
  88         KEY(5, 3, KEY_F16),
  89         KEY(5, 4, KEY_SLEEP),
  90         0
  91 };
  92
  93 static struct mtd_partition h2_nor_partitions[] = {
  94         /* bootloader (U-Boot, etc) in first sector */
  95         {
  96               .name             = "bootloader",
  97               .offset           = 0,
  98               .size             = SZ_128K,
  99               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 100         },
 101         /* bootloader params in the next sector */
 102         {
 103               .name             = "params",
 104               .offset           = MTDPART_OFS_APPEND,
 105               .size             = SZ_128K,
 106               .mask_flags       = 0,
 107         },
 108         /* kernel */
 109         {
 110               .name             = "kernel",
 111               .offset           = MTDPART_OFS_APPEND,
 112               .size             = SZ_2M,
 113               .mask_flags       = 0
 114         },
 115         /* file system */
 116         {
 117               .name             = "filesystem",
 118               .offset           = MTDPART_OFS_APPEND,
 119               .size             = MTDPART_SIZ_FULL,
 120               .mask_flags       = 0
 121         }
 122 };
 123
 124 static struct flash_platform_data h2_nor_data = {
 125         .map_name       = "cfi_probe",
 126         .width          = 2,
 127         .parts          = h2_nor_partitions,
 128         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
 129 };
 130
 131 static struct resource h2_nor_resource = {
 132         /* This is on CS3, wherever it's mapped */
 133         .flags          = IORESOURCE_MEM,
 134 };
 135
 136 static struct platform_device h2_nor_device = {
 137         .name           = "omapflash",
 138         .id             = 0,
 139         .dev            = {
 140                 .platform_data  = &h2_nor_data,
 141         },
 142         .num_resources  = 1,
 143         .resource       = &h2_nor_resource,
 144 };
 145
 146 static struct mtd_partition h2_nand_partitions[] = {
 147 #if 0
 148         /* REVISIT:  enable these partitions if you make NAND BOOT
 149          * work on your H2 (rev C or newer); published versions of
 150          * x-load only support P2 and H3.
 151          */
 152         {
 153                 .name           = "xloader",
 154                 .offset         = 0,
 155                 .size           = 64 * 1024,
 156                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 157         },
 158         {
 159                 .name           = "bootloader",
 160                 .offset         = MTDPART_OFS_APPEND,
 161                 .size           = 256 * 1024,
 162                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 163         },
 164         {
 165                 .name           = "params",
 166                 .offset         = MTDPART_OFS_APPEND,
 167                 .size           = 192 * 1024,
 168         },
 169         {
 170                 .name           = "kernel",
 171                 .offset         = MTDPART_OFS_APPEND,
 172                 .size           = 2 * SZ_1M,
 173         },
 174 #endif
 175         {
 176                 .name           = "filesystem",
 177                 .size           = MTDPART_SIZ_FULL,
 178                 .offset         = MTDPART_OFS_APPEND,
 179         },
 180 };
 181
 182 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
 183 static struct omap_nand_platform_data h2_nand_data = {
 184         .options        = NAND_SAMSUNG_LP_OPTIONS,
 185         .parts          = h2_nand_partitions,
 186         .nr_parts       = ARRAY_SIZE(h2_nand_partitions),
 187 };
 188
 189 static struct resource h2_nand_resource = {
 190         .flags          = IORESOURCE_MEM,
 191 };
 192
 193 static struct platform_device h2_nand_device = {
 194         .name           = "omapnand",
 195         .id             = 0,
 196         .dev            = {
 197                 .platform_data  = &h2_nand_data,
 198         },
 199         .num_resources  = 1,
 200         .resource       = &h2_nand_resource,
 201 };
 202
 203 static struct resource h2_smc91x_resources[] = {
 204         [0] = {
 205                 .start  = OMAP1610_ETHR_START,          /* Physical */
 206                 .end    = OMAP1610_ETHR_START + 0xf,
 207                 .flags  = IORESOURCE_MEM,
 208         },
 209         [1] = {
 210                 .start  = OMAP_GPIO_IRQ(0),
 211                 .end    = OMAP_GPIO_IRQ(0),
 212                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 213         },
 214 };
 215
 216 static struct platform_device h2_smc91x_device = {
 217         .name           = "smc91x",
 218         .id             = 0,
 219         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 220         .resource       = h2_smc91x_resources,
 221 };
 222
 223 static struct resource h2_kp_resources[] = {
 224         [0] = {
 225                 .start  = INT_KEYBOARD,
 226                 .end    = INT_KEYBOARD,
 227                 .flags  = IORESOURCE_IRQ,
 228         },
 229 };
 230
 231 static struct omap_kp_platform_data h2_kp_data = {
 232         .rows           = 8,
 233         .cols           = 8,
 234         .keymap         = h2_keymap,
 235         .keymapsize     = ARRAY_SIZE(h2_keymap),
 236         .rep            = 1,
 237         .delay          = 9,
 238         .dbounce        = 1,
 239 };
 240
 241 static struct platform_device h2_kp_device = {
 242         .name           = "omap-keypad",
 243         .id             = -1,
 244         .dev            = {
 245                 .platform_data = &h2_kp_data,
 246         },
 247         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 248         .resource       = h2_kp_resources,
 249 };
 250
 251 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 252
 253 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 254 static int h2_transceiver_mode(struct device *dev, int state)
 255 {
 256         /* SIR when low, else MIR/FIR when HIGH */
 257         gpio_set_value(H2_IRDA_FIRSEL_GPIO_PIN, !(state & IR_SIRMODE));
 258         return 0;
 259 }
 260 #endif
 261
 262 static struct omap_irda_config h2_irda_data = {
 263         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 264         .rx_channel             = OMAP_DMA_UART3_RX,
 265         .tx_channel             = OMAP_DMA_UART3_TX,
 266         .dest_start             = UART3_THR,
 267         .src_start              = UART3_RHR,
 268         .tx_trigger             = 0,
 269         .rx_trigger             = 0,
 270 };
 271
 272 static struct resource h2_irda_resources[] = {
 273         [0] = {
 274                 .start  = INT_UART3,
 275                 .end    = INT_UART3,
 276                 .flags  = IORESOURCE_IRQ,
 277         },
 278 };
 279
 280 static u64 irda_dmamask = 0xffffffff;
 281
 282 static struct platform_device h2_irda_device = {
 283         .name           = "omapirda",
 284         .id             = 0,
 285         .dev            = {
 286                 .platform_data  = &h2_irda_data,
 287                 .dma_mask       = &irda_dmamask,
 288         },
 289         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 290         .resource       = h2_irda_resources,
 291 };
 292
 293 static struct platform_device h2_lcd_device = {
 294         .name           = "lcd_h2",
 295         .id             = -1,
 296 };
 297
 298 static struct platform_device *h2_devices[] __initdata = {
 299         &h2_nor_device,
 300         &h2_nand_device,
 301         &h2_smc91x_device,
 302         &h2_irda_device,
 303         &h2_kp_device,
 304         &h2_lcd_device,
 305 };
 306
 307 static void __init h2_init_smc91x(void)
 308 {
 309         if (gpio_request(0, "SMC91x irq") < 0) {
 310                 printk("Error requesting gpio 0 for smc91x irq\n");
 311                 return;
 312         }
 313 }
 314
 315 static int tps_setup(struct i2c_client *client, void *context)
 316 {
 317         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
 318                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
 319
 320         return 0;
 321 }
 322
 323 static struct tps65010_board tps_board = {
 324         .base           = H2_TPS_GPIO_BASE,
 325         .outmask        = 0x0f,
 326         .setup          = tps_setup,
 327 };
 328
 329 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 330         {
 331                 I2C_BOARD_INFO("tps65010", 0x48),
 332                 .irq            = OMAP_GPIO_IRQ(58),
 333                 .platform_data  = &tps_board,
 334         }, {
 335                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 336                 .irq            = OMAP_GPIO_IRQ(2),
 337         },
 338 };
 339
 340 static void __init h2_init_irq(void)
 341 {
 342         omap1_init_common_hw();
 343         omap_init_irq();
 344         omap_gpio_init();
 345         h2_init_smc91x();
 346 }
 347
 348 static struct omap_usb_config h2_usb_config __initdata = {
 349         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 350         .otg            = 2,
 351
 352 #ifdef  CONFIG_USB_GADGET_OMAP
 353         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 354         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 355 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 356         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 357         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 358 #endif
 359
 360         .pins[1]        = 3,
 361 };
 362
 363 static struct omap_uart_config h2_uart_config __initdata = {
 364         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 365 };
 366
 367 static struct omap_lcd_config h2_lcd_config __initdata = {
 368         .ctrl_name      = "internal",
 369 };
 370
 371 static struct omap_board_config_kernel h2_config[] __initdata = {
 372         { OMAP_TAG_UART,        &h2_uart_config },
 373         { OMAP_TAG_LCD,         &h2_lcd_config },
 374 };
 375
 376 #define H2_NAND_RB_GPIO_PIN     62
 377
 378 static void __init h2_init(void)
 379 {
 380         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 381          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 382          * notice whether a NAND chip is enabled at probe time.
 383          *
 384          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 385          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 386          * detecting that in code here, to avoid probing every possible flash
 387          * configuration...
 388          */
 389         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 390         h2_nor_resource.end += SZ_32M - 1;
 391
 392         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 393         h2_nand_resource.end += SZ_4K - 1;
 394         if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 395                 BUG();
 396         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
 397
 398         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 399         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 400
 401         /* MMC:  card detect and WP */
 402         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
 403         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 404
 405         /* Irda */
 406 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 407         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
 408         if (gpio_request(H2_IRDA_FIRSEL_GPIO_PIN, "IRDA mode") < 0)
 409                 BUG();
 410         gpio_direction_output(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 411         h2_irda_data.transceiver_mode = h2_transceiver_mode;
 412 #endif
 413
 414         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 415         omap_board_config = h2_config;
 416         omap_board_config_size = ARRAY_SIZE(h2_config);
 417         omap_serial_init();
 418         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
 419                               ARRAY_SIZE(h2_i2c_board_info));
 420         omap_usb_init(&h2_usb_config);
 421         h2_mmc_init();
 422 }
 423
 424 static void __init h2_map_io(void)
 425 {
 426         omap1_map_common_io();
 427 }
 428
 429 MACHINE_START(OMAP_H2, "TI-H2")
 430         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 431         .phys_io        = 0xfff00000,
 432         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 433         .boot_params    = 0x10000100,
 434         .map_io         = h2_map_io,
 435         .init_irq       = h2_init_irq,
 436         .init_machine   = h2_init,
 437         .timer          = &omap_timer,
 438 MACHINE_END