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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 #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/nand.h>
  45 #include <plat/irda.h>
  46 #include <plat/usb.h>
  47 #include <plat/keypad.h>
  48 #include <plat/common.h>
  49
  50 #include "board-h2.h"
  51
  52 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  53 #define OMAP1610_ETHR_START             0x04000300
  54
  55 static int h2_keymap[] = {
  56         KEY(0, 0, KEY_LEFT),
  57         KEY(0, 1, KEY_RIGHT),
  58         KEY(0, 2, KEY_3),
  59         KEY(0, 3, KEY_F10),
  60         KEY(0, 4, KEY_F5),
  61         KEY(0, 5, KEY_9),
  62         KEY(1, 0, KEY_DOWN),
  63         KEY(1, 1, KEY_UP),
  64         KEY(1, 2, KEY_2),
  65         KEY(1, 3, KEY_F9),
  66         KEY(1, 4, KEY_F7),
  67         KEY(1, 5, KEY_0),
  68         KEY(2, 0, KEY_ENTER),
  69         KEY(2, 1, KEY_6),
  70         KEY(2, 2, KEY_1),
  71         KEY(2, 3, KEY_F2),
  72         KEY(2, 4, KEY_F6),
  73         KEY(2, 5, KEY_HOME),
  74         KEY(3, 0, KEY_8),
  75         KEY(3, 1, KEY_5),
  76         KEY(3, 2, KEY_F12),
  77         KEY(3, 3, KEY_F3),
  78         KEY(3, 4, KEY_F8),
  79         KEY(3, 5, KEY_END),
  80         KEY(4, 0, KEY_7),
  81         KEY(4, 1, KEY_4),
  82         KEY(4, 2, KEY_F11),
  83         KEY(4, 3, KEY_F1),
  84         KEY(4, 4, KEY_F4),
  85         KEY(4, 5, KEY_ESC),
  86         KEY(5, 0, KEY_F13),
  87         KEY(5, 1, KEY_F14),
  88         KEY(5, 2, KEY_F15),
  89         KEY(5, 3, KEY_F16),
  90         KEY(5, 4, KEY_SLEEP),
  91         0
  92 };
  93
  94 static struct mtd_partition h2_nor_partitions[] = {
  95         /* bootloader (U-Boot, etc) in first sector */
  96         {
  97               .name             = "bootloader",
  98               .offset           = 0,
  99               .size             = SZ_128K,
 100               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 101         },
 102         /* bootloader params in the next sector */
 103         {
 104               .name             = "params",
 105               .offset           = MTDPART_OFS_APPEND,
 106               .size             = SZ_128K,
 107               .mask_flags       = 0,
 108         },
 109         /* kernel */
 110         {
 111               .name             = "kernel",
 112               .offset           = MTDPART_OFS_APPEND,
 113               .size             = SZ_2M,
 114               .mask_flags       = 0
 115         },
 116         /* file system */
 117         {
 118               .name             = "filesystem",
 119               .offset           = MTDPART_OFS_APPEND,
 120               .size             = MTDPART_SIZ_FULL,
 121               .mask_flags       = 0
 122         }
 123 };
 124
 125 static struct flash_platform_data h2_nor_data = {
 126         .map_name       = "cfi_probe",
 127         .width          = 2,
 128         .parts          = h2_nor_partitions,
 129         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
 130 };
 131
 132 static struct resource h2_nor_resource = {
 133         /* This is on CS3, wherever it's mapped */
 134         .flags          = IORESOURCE_MEM,
 135 };
 136
 137 static struct platform_device h2_nor_device = {
 138         .name           = "omapflash",
 139         .id             = 0,
 140         .dev            = {
 141                 .platform_data  = &h2_nor_data,
 142         },
 143         .num_resources  = 1,
 144         .resource       = &h2_nor_resource,
 145 };
 146
 147 static struct mtd_partition h2_nand_partitions[] = {
 148 #if 0
 149         /* REVISIT:  enable these partitions if you make NAND BOOT
 150          * work on your H2 (rev C or newer); published versions of
 151          * x-load only support P2 and H3.
 152          */
 153         {
 154                 .name           = "xloader",
 155                 .offset         = 0,
 156                 .size           = 64 * 1024,
 157                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 158         },
 159         {
 160                 .name           = "bootloader",
 161                 .offset         = MTDPART_OFS_APPEND,
 162                 .size           = 256 * 1024,
 163                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 164         },
 165         {
 166                 .name           = "params",
 167                 .offset         = MTDPART_OFS_APPEND,
 168                 .size           = 192 * 1024,
 169         },
 170         {
 171                 .name           = "kernel",
 172                 .offset         = MTDPART_OFS_APPEND,
 173                 .size           = 2 * SZ_1M,
 174         },
 175 #endif
 176         {
 177                 .name           = "filesystem",
 178                 .size           = MTDPART_SIZ_FULL,
 179                 .offset         = MTDPART_OFS_APPEND,
 180         },
 181 };
 182
 183 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
 184 static struct omap_nand_platform_data h2_nand_data = {
 185         .options        = NAND_SAMSUNG_LP_OPTIONS,
 186         .parts          = h2_nand_partitions,
 187         .nr_parts       = ARRAY_SIZE(h2_nand_partitions),
 188 };
 189
 190 static struct resource h2_nand_resource = {
 191         .flags          = IORESOURCE_MEM,
 192 };
 193
 194 static struct platform_device h2_nand_device = {
 195         .name           = "omapnand",
 196         .id             = 0,
 197         .dev            = {
 198                 .platform_data  = &h2_nand_data,
 199         },
 200         .num_resources  = 1,
 201         .resource       = &h2_nand_resource,
 202 };
 203
 204 static struct smc91x_platdata h2_smc91x_info = {
 205         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 206         .leda   = RPC_LED_100_10,
 207         .ledb   = RPC_LED_TX_RX,
 208 };
 209
 210 static struct resource h2_smc91x_resources[] = {
 211         [0] = {
 212                 .start  = OMAP1610_ETHR_START,          /* Physical */
 213                 .end    = OMAP1610_ETHR_START + 0xf,
 214                 .flags  = IORESOURCE_MEM,
 215         },
 216         [1] = {
 217                 .start  = OMAP_GPIO_IRQ(0),
 218                 .end    = OMAP_GPIO_IRQ(0),
 219                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 220         },
 221 };
 222
 223 static struct platform_device h2_smc91x_device = {
 224         .name           = "smc91x",
 225         .id             = 0,
 226         .dev    = {
 227                 .platform_data  = &h2_smc91x_info,
 228         },
 229         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 230         .resource       = h2_smc91x_resources,
 231 };
 232
 233 static struct resource h2_kp_resources[] = {
 234         [0] = {
 235                 .start  = INT_KEYBOARD,
 236                 .end    = INT_KEYBOARD,
 237                 .flags  = IORESOURCE_IRQ,
 238         },
 239 };
 240
 241 static struct omap_kp_platform_data h2_kp_data = {
 242         .rows           = 8,
 243         .cols           = 8,
 244         .keymap         = h2_keymap,
 245         .keymapsize     = ARRAY_SIZE(h2_keymap),
 246         .rep            = 1,
 247         .delay          = 9,
 248         .dbounce        = 1,
 249 };
 250
 251 static struct platform_device h2_kp_device = {
 252         .name           = "omap-keypad",
 253         .id             = -1,
 254         .dev            = {
 255                 .platform_data = &h2_kp_data,
 256         },
 257         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 258         .resource       = h2_kp_resources,
 259 };
 260
 261 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 262
 263 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 264 static int h2_transceiver_mode(struct device *dev, int state)
 265 {
 266         /* SIR when low, else MIR/FIR when HIGH */
 267         gpio_set_value(H2_IRDA_FIRSEL_GPIO_PIN, !(state & IR_SIRMODE));
 268         return 0;
 269 }
 270 #endif
 271
 272 static struct omap_irda_config h2_irda_data = {
 273         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 274         .rx_channel             = OMAP_DMA_UART3_RX,
 275         .tx_channel             = OMAP_DMA_UART3_TX,
 276         .dest_start             = UART3_THR,
 277         .src_start              = UART3_RHR,
 278         .tx_trigger             = 0,
 279         .rx_trigger             = 0,
 280 };
 281
 282 static struct resource h2_irda_resources[] = {
 283         [0] = {
 284                 .start  = INT_UART3,
 285                 .end    = INT_UART3,
 286                 .flags  = IORESOURCE_IRQ,
 287         },
 288 };
 289
 290 static u64 irda_dmamask = 0xffffffff;
 291
 292 static struct platform_device h2_irda_device = {
 293         .name           = "omapirda",
 294         .id             = 0,
 295         .dev            = {
 296                 .platform_data  = &h2_irda_data,
 297                 .dma_mask       = &irda_dmamask,
 298         },
 299         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 300         .resource       = h2_irda_resources,
 301 };
 302
 303 static struct platform_device h2_lcd_device = {
 304         .name           = "lcd_h2",
 305         .id             = -1,
 306 };
 307
 308 static struct platform_device *h2_devices[] __initdata = {
 309         &h2_nor_device,
 310         &h2_nand_device,
 311         &h2_smc91x_device,
 312         &h2_irda_device,
 313         &h2_kp_device,
 314         &h2_lcd_device,
 315 };
 316
 317 static void __init h2_init_smc91x(void)
 318 {
 319         if (gpio_request(0, "SMC91x irq") < 0) {
 320                 printk("Error requesting gpio 0 for smc91x irq\n");
 321                 return;
 322         }
 323 }
 324
 325 static int tps_setup(struct i2c_client *client, void *context)
 326 {
 327         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
 328                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
 329
 330         return 0;
 331 }
 332
 333 static struct tps65010_board tps_board = {
 334         .base           = H2_TPS_GPIO_BASE,
 335         .outmask        = 0x0f,
 336         .setup          = tps_setup,
 337 };
 338
 339 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 340         {
 341                 I2C_BOARD_INFO("tps65010", 0x48),
 342                 .irq            = OMAP_GPIO_IRQ(58),
 343                 .platform_data  = &tps_board,
 344         }, {
 345                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 346                 .irq            = OMAP_GPIO_IRQ(2),
 347         },
 348 };
 349
 350 static void __init h2_init_irq(void)
 351 {
 352         omap1_init_common_hw();
 353         omap_init_irq();
 354         omap_gpio_init();
 355         h2_init_smc91x();
 356 }
 357
 358 static struct omap_usb_config h2_usb_config __initdata = {
 359         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 360         .otg            = 2,
 361
 362 #ifdef  CONFIG_USB_GADGET_OMAP
 363         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 364         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 365 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 366         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 367         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 368 #endif
 369
 370         .pins[1]        = 3,
 371 };
 372
 373 static struct omap_lcd_config h2_lcd_config __initdata = {
 374         .ctrl_name      = "internal",
 375 };
 376
 377 static struct omap_board_config_kernel h2_config[] __initdata = {
 378         { OMAP_TAG_LCD,         &h2_lcd_config },
 379 };
 380
 381 #define H2_NAND_RB_GPIO_PIN     62
 382
 383 static void __init h2_init(void)
 384 {
 385         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 386          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 387          * notice whether a NAND chip is enabled at probe time.
 388          *
 389          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 390          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 391          * detecting that in code here, to avoid probing every possible flash
 392          * configuration...
 393          */
 394         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 395         h2_nor_resource.end += SZ_32M - 1;
 396
 397         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 398         h2_nand_resource.end += SZ_4K - 1;
 399         if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 400                 BUG();
 401         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
 402
 403         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 404         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 405
 406         /* MMC:  card detect and WP */
 407         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
 408         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 409
 410         /* Irda */
 411 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 412         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
 413         if (gpio_request(H2_IRDA_FIRSEL_GPIO_PIN, "IRDA mode") < 0)
 414                 BUG();
 415         gpio_direction_output(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 416         h2_irda_data.transceiver_mode = h2_transceiver_mode;
 417 #endif
 418
 419         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 420         omap_board_config = h2_config;
 421         omap_board_config_size = ARRAY_SIZE(h2_config);
 422         omap_serial_init();
 423         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
 424                               ARRAY_SIZE(h2_i2c_board_info));
 425         omap_usb_init(&h2_usb_config);
 426         h2_mmc_init();
 427 }
 428
 429 static void __init h2_map_io(void)
 430 {
 431         omap1_map_common_io();
 432 }
 433
 434 MACHINE_START(OMAP_H2, "TI-H2")
 435         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 436         .phys_io        = 0xfff00000,
 437         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 438         .boot_params    = 0x10000100,
 439         .map_io         = h2_map_io,
 440         .init_irq       = h2_init_irq,
 441         .init_machine   = h2_init,
 442         .timer          = &omap_timer,
 443 MACHINE_END