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 #include <linux/smc91x.h>
  32
  33 #include <mach/hardware.h>
  34 #include <asm/gpio.h>
  35
  36 #include <asm/mach-types.h>
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/flash.h>
  39 #include <asm/mach/map.h>
  40
  41 #include <plat/mux.h>
  42 #include <plat/dma.h>
  43 #include <plat/tc.h>
  44 #include <plat/irda.h>
  45 #include <plat/usb.h>
  46 #include <plat/keypad.h>
  47 #include <plat/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 static void h2_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 183 {
 184         struct nand_chip *this = mtd->priv;
 185         unsigned long mask;
 186
 187         if (cmd == NAND_CMD_NONE)
 188                 return;
 189
 190         mask = (ctrl & NAND_CLE) ? 0x02 : 0;
 191         if (ctrl & NAND_ALE)
 192                 mask |= 0x04;
 193         writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
 194 }
 195
 196 #define H2_NAND_RB_GPIO_PIN     62
 197
 198 static int h2_nand_dev_ready(struct mtd_info *mtd)
 199 {
 200         return gpio_get_value(H2_NAND_RB_GPIO_PIN);
 201 }
 202
 203 static const char *h2_part_probes[] = { "cmdlinepart", NULL };
 204
 205 struct platform_nand_data h2_nand_platdata = {
 206         .chip   = {
 207                 .nr_chips               = 1,
 208                 .chip_offset            = 0,
 209                 .nr_partitions          = ARRAY_SIZE(h2_nand_partitions),
 210                 .partitions             = h2_nand_partitions,
 211                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 212                 .part_probe_types       = h2_part_probes,
 213         },
 214         .ctrl   = {
 215                 .cmd_ctrl       = h2_nand_cmd_ctl,
 216                 .dev_ready      = h2_nand_dev_ready,
 217
 218         },
 219 };
 220
 221 static struct resource h2_nand_resource = {
 222         .flags          = IORESOURCE_MEM,
 223 };
 224
 225 static struct platform_device h2_nand_device = {
 226         .name           = "gen_nand",
 227         .id             = 0,
 228         .dev            = {
 229                 .platform_data  = &h2_nand_platdata,
 230         },
 231         .num_resources  = 1,
 232         .resource       = &h2_nand_resource,
 233 };
 234
 235 static struct smc91x_platdata h2_smc91x_info = {
 236         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 237         .leda   = RPC_LED_100_10,
 238         .ledb   = RPC_LED_TX_RX,
 239 };
 240
 241 static struct resource h2_smc91x_resources[] = {
 242         [0] = {
 243                 .start  = OMAP1610_ETHR_START,          /* Physical */
 244                 .end    = OMAP1610_ETHR_START + 0xf,
 245                 .flags  = IORESOURCE_MEM,
 246         },
 247         [1] = {
 248                 .start  = OMAP_GPIO_IRQ(0),
 249                 .end    = OMAP_GPIO_IRQ(0),
 250                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 251         },
 252 };
 253
 254 static struct platform_device h2_smc91x_device = {
 255         .name           = "smc91x",
 256         .id             = 0,
 257         .dev    = {
 258                 .platform_data  = &h2_smc91x_info,
 259         },
 260         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 261         .resource       = h2_smc91x_resources,
 262 };
 263
 264 static struct resource h2_kp_resources[] = {
 265         [0] = {
 266                 .start  = INT_KEYBOARD,
 267                 .end    = INT_KEYBOARD,
 268                 .flags  = IORESOURCE_IRQ,
 269         },
 270 };
 271
 272 static struct omap_kp_platform_data h2_kp_data = {
 273         .rows           = 8,
 274         .cols           = 8,
 275         .keymap         = h2_keymap,
 276         .keymapsize     = ARRAY_SIZE(h2_keymap),
 277         .rep            = 1,
 278         .delay          = 9,
 279         .dbounce        = 1,
 280 };
 281
 282 static struct platform_device h2_kp_device = {
 283         .name           = "omap-keypad",
 284         .id             = -1,
 285         .dev            = {
 286                 .platform_data = &h2_kp_data,
 287         },
 288         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 289         .resource       = h2_kp_resources,
 290 };
 291
 292 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 293
 294 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 295 static int h2_transceiver_mode(struct device *dev, int state)
 296 {
 297         /* SIR when low, else MIR/FIR when HIGH */
 298         gpio_set_value(H2_IRDA_FIRSEL_GPIO_PIN, !(state & IR_SIRMODE));
 299         return 0;
 300 }
 301 #endif
 302
 303 static struct omap_irda_config h2_irda_data = {
 304         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 305         .rx_channel             = OMAP_DMA_UART3_RX,
 306         .tx_channel             = OMAP_DMA_UART3_TX,
 307         .dest_start             = UART3_THR,
 308         .src_start              = UART3_RHR,
 309         .tx_trigger             = 0,
 310         .rx_trigger             = 0,
 311 };
 312
 313 static struct resource h2_irda_resources[] = {
 314         [0] = {
 315                 .start  = INT_UART3,
 316                 .end    = INT_UART3,
 317                 .flags  = IORESOURCE_IRQ,
 318         },
 319 };
 320
 321 static u64 irda_dmamask = 0xffffffff;
 322
 323 static struct platform_device h2_irda_device = {
 324         .name           = "omapirda",
 325         .id             = 0,
 326         .dev            = {
 327                 .platform_data  = &h2_irda_data,
 328                 .dma_mask       = &irda_dmamask,
 329         },
 330         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 331         .resource       = h2_irda_resources,
 332 };
 333
 334 static struct platform_device h2_lcd_device = {
 335         .name           = "lcd_h2",
 336         .id             = -1,
 337 };
 338
 339 static struct platform_device *h2_devices[] __initdata = {
 340         &h2_nor_device,
 341         &h2_nand_device,
 342         &h2_smc91x_device,
 343         &h2_irda_device,
 344         &h2_kp_device,
 345         &h2_lcd_device,
 346 };
 347
 348 static void __init h2_init_smc91x(void)
 349 {
 350         if (gpio_request(0, "SMC91x irq") < 0) {
 351                 printk("Error requesting gpio 0 for smc91x irq\n");
 352                 return;
 353         }
 354 }
 355
 356 static int tps_setup(struct i2c_client *client, void *context)
 357 {
 358         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
 359                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
 360
 361         return 0;
 362 }
 363
 364 static struct tps65010_board tps_board = {
 365         .base           = H2_TPS_GPIO_BASE,
 366         .outmask        = 0x0f,
 367         .setup          = tps_setup,
 368 };
 369
 370 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 371         {
 372                 I2C_BOARD_INFO("tps65010", 0x48),
 373                 .irq            = OMAP_GPIO_IRQ(58),
 374                 .platform_data  = &tps_board,
 375         }, {
 376                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 377                 .irq            = OMAP_GPIO_IRQ(2),
 378         },
 379 };
 380
 381 static void __init h2_init_irq(void)
 382 {
 383         omap1_init_common_hw();
 384         omap_init_irq();
 385         omap_gpio_init();
 386         h2_init_smc91x();
 387 }
 388
 389 static struct omap_usb_config h2_usb_config __initdata = {
 390         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 391         .otg            = 2,
 392
 393 #ifdef  CONFIG_USB_GADGET_OMAP
 394         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 395         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 396 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 397         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 398         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 399 #endif
 400
 401         .pins[1]        = 3,
 402 };
 403
 404 static struct omap_lcd_config h2_lcd_config __initdata = {
 405         .ctrl_name      = "internal",
 406 };
 407
 408 static struct omap_board_config_kernel h2_config[] __initdata = {
 409         { OMAP_TAG_LCD,         &h2_lcd_config },
 410 };
 411
 412 static void __init h2_init(void)
 413 {
 414         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 415          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 416          * notice whether a NAND chip is enabled at probe time.
 417          *
 418          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 419          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 420          * detecting that in code here, to avoid probing every possible flash
 421          * configuration...
 422          */
 423         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 424         h2_nor_resource.end += SZ_32M - 1;
 425
 426         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 427         h2_nand_resource.end += SZ_4K - 1;
 428         if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 429                 BUG();
 430         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
 431
 432         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 433         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 434
 435         /* MMC:  card detect and WP */
 436         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
 437         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 438
 439         /* Irda */
 440 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 441         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
 442         if (gpio_request(H2_IRDA_FIRSEL_GPIO_PIN, "IRDA mode") < 0)
 443                 BUG();
 444         gpio_direction_output(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 445         h2_irda_data.transceiver_mode = h2_transceiver_mode;
 446 #endif
 447
 448         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 449         omap_board_config = h2_config;
 450         omap_board_config_size = ARRAY_SIZE(h2_config);
 451         omap_serial_init();
 452         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
 453                               ARRAY_SIZE(h2_i2c_board_info));
 454         omap_usb_init(&h2_usb_config);
 455         h2_mmc_init();
 456 }
 457
 458 static void __init h2_map_io(void)
 459 {
 460         omap1_map_common_io();
 461 }
 462
 463 MACHINE_START(OMAP_H2, "TI-H2")
 464         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 465         .phys_io        = 0xfff00000,
 466         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 467         .boot_params    = 0x10000100,
 468         .map_io         = h2_map_io,
 469         .init_irq       = h2_init_irq,
 470         .init_machine   = h2_init,
 471         .timer          = &omap_timer,
 472 MACHINE_END