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/mtd/physmap.h>
  30 #include <linux/input.h>
  31 #include <linux/i2c/tps65010.h>
  32 #include <linux/smc91x.h>
  33
  34 #include <mach/hardware.h>
  35 #include <asm/gpio.h>
  36
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.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 #include <plat/flash.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 physmap_flash_data h2_nor_data = {
 126         .width          = 2,
 127         .set_vpp        = omap1_set_vpp,
 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           = "physmap-flash",
 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 static void h2_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 184 {
 185         struct nand_chip *this = mtd->priv;
 186         unsigned long mask;
 187
 188         if (cmd == NAND_CMD_NONE)
 189                 return;
 190
 191         mask = (ctrl & NAND_CLE) ? 0x02 : 0;
 192         if (ctrl & NAND_ALE)
 193                 mask |= 0x04;
 194         writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
 195 }
 196
 197 #define H2_NAND_RB_GPIO_PIN     62
 198
 199 static int h2_nand_dev_ready(struct mtd_info *mtd)
 200 {
 201         return gpio_get_value(H2_NAND_RB_GPIO_PIN);
 202 }
 203
 204 static const char *h2_part_probes[] = { "cmdlinepart", NULL };
 205
 206 struct platform_nand_data h2_nand_platdata = {
 207         .chip   = {
 208                 .nr_chips               = 1,
 209                 .chip_offset            = 0,
 210                 .nr_partitions          = ARRAY_SIZE(h2_nand_partitions),
 211                 .partitions             = h2_nand_partitions,
 212                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 213                 .part_probe_types       = h2_part_probes,
 214         },
 215         .ctrl   = {
 216                 .cmd_ctrl       = h2_nand_cmd_ctl,
 217                 .dev_ready      = h2_nand_dev_ready,
 218
 219         },
 220 };
 221
 222 static struct resource h2_nand_resource = {
 223         .flags          = IORESOURCE_MEM,
 224 };
 225
 226 static struct platform_device h2_nand_device = {
 227         .name           = "gen_nand",
 228         .id             = 0,
 229         .dev            = {
 230                 .platform_data  = &h2_nand_platdata,
 231         },
 232         .num_resources  = 1,
 233         .resource       = &h2_nand_resource,
 234 };
 235
 236 static struct smc91x_platdata h2_smc91x_info = {
 237         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 238         .leda   = RPC_LED_100_10,
 239         .ledb   = RPC_LED_TX_RX,
 240 };
 241
 242 static struct resource h2_smc91x_resources[] = {
 243         [0] = {
 244                 .start  = OMAP1610_ETHR_START,          /* Physical */
 245                 .end    = OMAP1610_ETHR_START + 0xf,
 246                 .flags  = IORESOURCE_MEM,
 247         },
 248         [1] = {
 249                 .start  = OMAP_GPIO_IRQ(0),
 250                 .end    = OMAP_GPIO_IRQ(0),
 251                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 252         },
 253 };
 254
 255 static struct platform_device h2_smc91x_device = {
 256         .name           = "smc91x",
 257         .id             = 0,
 258         .dev    = {
 259                 .platform_data  = &h2_smc91x_info,
 260         },
 261         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 262         .resource       = h2_smc91x_resources,
 263 };
 264
 265 static struct resource h2_kp_resources[] = {
 266         [0] = {
 267                 .start  = INT_KEYBOARD,
 268                 .end    = INT_KEYBOARD,
 269                 .flags  = IORESOURCE_IRQ,
 270         },
 271 };
 272
 273 static struct omap_kp_platform_data h2_kp_data = {
 274         .rows           = 8,
 275         .cols           = 8,
 276         .keymap         = h2_keymap,
 277         .keymapsize     = ARRAY_SIZE(h2_keymap),
 278         .rep            = 1,
 279         .delay          = 9,
 280         .dbounce        = 1,
 281 };
 282
 283 static struct platform_device h2_kp_device = {
 284         .name           = "omap-keypad",
 285         .id             = -1,
 286         .dev            = {
 287                 .platform_data = &h2_kp_data,
 288         },
 289         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 290         .resource       = h2_kp_resources,
 291 };
 292
 293 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 294
 295 static struct omap_irda_config h2_irda_data = {
 296         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 297         .rx_channel             = OMAP_DMA_UART3_RX,
 298         .tx_channel             = OMAP_DMA_UART3_TX,
 299         .dest_start             = UART3_THR,
 300         .src_start              = UART3_RHR,
 301         .tx_trigger             = 0,
 302         .rx_trigger             = 0,
 303 };
 304
 305 static struct resource h2_irda_resources[] = {
 306         [0] = {
 307                 .start  = INT_UART3,
 308                 .end    = INT_UART3,
 309                 .flags  = IORESOURCE_IRQ,
 310         },
 311 };
 312
 313 static u64 irda_dmamask = 0xffffffff;
 314
 315 static struct platform_device h2_irda_device = {
 316         .name           = "omapirda",
 317         .id             = 0,
 318         .dev            = {
 319                 .platform_data  = &h2_irda_data,
 320                 .dma_mask       = &irda_dmamask,
 321         },
 322         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 323         .resource       = h2_irda_resources,
 324 };
 325
 326 static struct platform_device h2_lcd_device = {
 327         .name           = "lcd_h2",
 328         .id             = -1,
 329 };
 330
 331 static struct platform_device *h2_devices[] __initdata = {
 332         &h2_nor_device,
 333         &h2_nand_device,
 334         &h2_smc91x_device,
 335         &h2_irda_device,
 336         &h2_kp_device,
 337         &h2_lcd_device,
 338 };
 339
 340 static void __init h2_init_smc91x(void)
 341 {
 342         if (gpio_request(0, "SMC91x irq") < 0) {
 343                 printk("Error requesting gpio 0 for smc91x irq\n");
 344                 return;
 345         }
 346 }
 347
 348 static int tps_setup(struct i2c_client *client, void *context)
 349 {
 350         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
 351                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
 352
 353         return 0;
 354 }
 355
 356 static struct tps65010_board tps_board = {
 357         .base           = H2_TPS_GPIO_BASE,
 358         .outmask        = 0x0f,
 359         .setup          = tps_setup,
 360 };
 361
 362 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 363         {
 364                 I2C_BOARD_INFO("tps65010", 0x48),
 365                 .irq            = OMAP_GPIO_IRQ(58),
 366                 .platform_data  = &tps_board,
 367         }, {
 368                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 369                 .irq            = OMAP_GPIO_IRQ(2),
 370         },
 371 };
 372
 373 static void __init h2_init_irq(void)
 374 {
 375         omap1_init_common_hw();
 376         omap_init_irq();
 377         omap_gpio_init();
 378         h2_init_smc91x();
 379 }
 380
 381 static struct omap_usb_config h2_usb_config __initdata = {
 382         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 383         .otg            = 2,
 384
 385 #ifdef  CONFIG_USB_GADGET_OMAP
 386         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 387         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 388 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 389         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 390         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 391 #endif
 392
 393         .pins[1]        = 3,
 394 };
 395
 396 static struct omap_lcd_config h2_lcd_config __initdata = {
 397         .ctrl_name      = "internal",
 398 };
 399
 400 static struct omap_board_config_kernel h2_config[] __initdata = {
 401         { OMAP_TAG_LCD,         &h2_lcd_config },
 402 };
 403
 404 static void __init h2_init(void)
 405 {
 406         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 407          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 408          * notice whether a NAND chip is enabled at probe time.
 409          *
 410          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 411          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 412          * detecting that in code here, to avoid probing every possible flash
 413          * configuration...
 414          */
 415         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 416         h2_nor_resource.end += SZ_32M - 1;
 417
 418         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 419         h2_nand_resource.end += SZ_4K - 1;
 420         if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 421                 BUG();
 422         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
 423
 424         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 425         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 426
 427         /* MMC:  card detect and WP */
 428         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
 429         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 430
 431         /* Mux pins for keypad */
 432         omap_cfg_reg(F18_1610_KBC0);
 433         omap_cfg_reg(D20_1610_KBC1);
 434         omap_cfg_reg(D19_1610_KBC2);
 435         omap_cfg_reg(E18_1610_KBC3);
 436         omap_cfg_reg(C21_1610_KBC4);
 437         omap_cfg_reg(G18_1610_KBR0);
 438         omap_cfg_reg(F19_1610_KBR1);
 439         omap_cfg_reg(H14_1610_KBR2);
 440         omap_cfg_reg(E20_1610_KBR3);
 441         omap_cfg_reg(E19_1610_KBR4);
 442         omap_cfg_reg(N19_1610_KBR5);
 443
 444         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 445         omap_board_config = h2_config;
 446         omap_board_config_size = ARRAY_SIZE(h2_config);
 447         omap_serial_init();
 448         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
 449                               ARRAY_SIZE(h2_i2c_board_info));
 450         omap1_usb_init(&h2_usb_config);
 451         h2_mmc_init();
 452 }
 453
 454 static void __init h2_map_io(void)
 455 {
 456         omap1_map_common_io();
 457 }
 458
 459 MACHINE_START(OMAP_H2, "TI-H2")
 460         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 461         .boot_params    = 0x10000100,
 462         .map_io         = h2_map_io,
 463         .reserve        = omap_reserve,
 464         .init_irq       = h2_init_irq,
 465         .init_machine   = h2_init,
 466         .timer          = &omap_timer,
 467 MACHINE_END