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 #include <linux/gpio.h>
  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
  36 #include <asm/mach-types.h>
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/map.h>
  39
  40 #include <plat/mux.h>
  41 #include <plat/dma.h>
  42 #include <plat/tc.h>
  43 #include <plat/irda.h>
  44 #include <plat/usb.h>
  45 #include <plat/keypad.h>
  46 #include <plat/common.h>
  47 #include <plat/flash.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 const unsigned int h2_keymap[] = {
  55         KEY(0, 0, KEY_LEFT),
  56         KEY(1, 0, KEY_RIGHT),
  57         KEY(2, 0, KEY_3),
  58         KEY(3, 0, KEY_F10),
  59         KEY(4, 0, KEY_F5),
  60         KEY(5, 0, KEY_9),
  61         KEY(0, 1, KEY_DOWN),
  62         KEY(1, 1, KEY_UP),
  63         KEY(2, 1, KEY_2),
  64         KEY(3, 1, KEY_F9),
  65         KEY(4, 1, KEY_F7),
  66         KEY(5, 1, KEY_0),
  67         KEY(0, 2, KEY_ENTER),
  68         KEY(1, 2, KEY_6),
  69         KEY(2, 2, KEY_1),
  70         KEY(3, 2, KEY_F2),
  71         KEY(4, 2, KEY_F6),
  72         KEY(5, 2, KEY_HOME),
  73         KEY(0, 3, KEY_8),
  74         KEY(1, 3, KEY_5),
  75         KEY(2, 3, KEY_F12),
  76         KEY(3, 3, KEY_F3),
  77         KEY(4, 3, KEY_F8),
  78         KEY(5, 3, KEY_END),
  79         KEY(0, 4, KEY_7),
  80         KEY(1, 4, KEY_4),
  81         KEY(2, 4, KEY_F11),
  82         KEY(3, 4, KEY_F1),
  83         KEY(4, 4, KEY_F4),
  84         KEY(5, 4, KEY_ESC),
  85         KEY(0, 5, KEY_F13),
  86         KEY(1, 5, KEY_F14),
  87         KEY(2, 5, KEY_F15),
  88         KEY(3, 5, KEY_F16),
  89         KEY(4, 5, KEY_SLEEP),
  90 };
  91
  92 static struct mtd_partition h2_nor_partitions[] = {
  93         /* bootloader (U-Boot, etc) in first sector */
  94         {
  95               .name             = "bootloader",
  96               .offset           = 0,
  97               .size             = SZ_128K,
  98               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  99         },
 100         /* bootloader params in the next sector */
 101         {
 102               .name             = "params",
 103               .offset           = MTDPART_OFS_APPEND,
 104               .size             = SZ_128K,
 105               .mask_flags       = 0,
 106         },
 107         /* kernel */
 108         {
 109               .name             = "kernel",
 110               .offset           = MTDPART_OFS_APPEND,
 111               .size             = SZ_2M,
 112               .mask_flags       = 0
 113         },
 114         /* file system */
 115         {
 116               .name             = "filesystem",
 117               .offset           = MTDPART_OFS_APPEND,
 118               .size             = MTDPART_SIZ_FULL,
 119               .mask_flags       = 0
 120         }
 121 };
 122
 123 static struct physmap_flash_data h2_nor_data = {
 124         .width          = 2,
 125         .set_vpp        = omap1_set_vpp,
 126         .parts          = h2_nor_partitions,
 127         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
 128 };
 129
 130 static struct resource h2_nor_resource = {
 131         /* This is on CS3, wherever it's mapped */
 132         .flags          = IORESOURCE_MEM,
 133 };
 134
 135 static struct platform_device h2_nor_device = {
 136         .name           = "physmap-flash",
 137         .id             = 0,
 138         .dev            = {
 139                 .platform_data  = &h2_nor_data,
 140         },
 141         .num_resources  = 1,
 142         .resource       = &h2_nor_resource,
 143 };
 144
 145 static struct mtd_partition h2_nand_partitions[] = {
 146 #if 0
 147         /* REVISIT:  enable these partitions if you make NAND BOOT
 148          * work on your H2 (rev C or newer); published versions of
 149          * x-load only support P2 and H3.
 150          */
 151         {
 152                 .name           = "xloader",
 153                 .offset         = 0,
 154                 .size           = 64 * 1024,
 155                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 156         },
 157         {
 158                 .name           = "bootloader",
 159                 .offset         = MTDPART_OFS_APPEND,
 160                 .size           = 256 * 1024,
 161                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 162         },
 163         {
 164                 .name           = "params",
 165                 .offset         = MTDPART_OFS_APPEND,
 166                 .size           = 192 * 1024,
 167         },
 168         {
 169                 .name           = "kernel",
 170                 .offset         = MTDPART_OFS_APPEND,
 171                 .size           = 2 * SZ_1M,
 172         },
 173 #endif
 174         {
 175                 .name           = "filesystem",
 176                 .size           = MTDPART_SIZ_FULL,
 177                 .offset         = MTDPART_OFS_APPEND,
 178         },
 179 };
 180
 181 static void h2_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 182 {
 183         struct nand_chip *this = mtd->priv;
 184         unsigned long mask;
 185
 186         if (cmd == NAND_CMD_NONE)
 187                 return;
 188
 189         mask = (ctrl & NAND_CLE) ? 0x02 : 0;
 190         if (ctrl & NAND_ALE)
 191                 mask |= 0x04;
 192         writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
 193 }
 194
 195 #define H2_NAND_RB_GPIO_PIN     62
 196
 197 static int h2_nand_dev_ready(struct mtd_info *mtd)
 198 {
 199         return gpio_get_value(H2_NAND_RB_GPIO_PIN);
 200 }
 201
 202 static const char *h2_part_probes[] = { "cmdlinepart", NULL };
 203
 204 static struct platform_nand_data h2_nand_platdata = {
 205         .chip   = {
 206                 .nr_chips               = 1,
 207                 .chip_offset            = 0,
 208                 .nr_partitions          = ARRAY_SIZE(h2_nand_partitions),
 209                 .partitions             = h2_nand_partitions,
 210                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 211                 .part_probe_types       = h2_part_probes,
 212         },
 213         .ctrl   = {
 214                 .cmd_ctrl       = h2_nand_cmd_ctl,
 215                 .dev_ready      = h2_nand_dev_ready,
 216
 217         },
 218 };
 219
 220 static struct resource h2_nand_resource = {
 221         .flags          = IORESOURCE_MEM,
 222 };
 223
 224 static struct platform_device h2_nand_device = {
 225         .name           = "gen_nand",
 226         .id             = 0,
 227         .dev            = {
 228                 .platform_data  = &h2_nand_platdata,
 229         },
 230         .num_resources  = 1,
 231         .resource       = &h2_nand_resource,
 232 };
 233
 234 static struct smc91x_platdata h2_smc91x_info = {
 235         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 236         .leda   = RPC_LED_100_10,
 237         .ledb   = RPC_LED_TX_RX,
 238 };
 239
 240 static struct resource h2_smc91x_resources[] = {
 241         [0] = {
 242                 .start  = OMAP1610_ETHR_START,          /* Physical */
 243                 .end    = OMAP1610_ETHR_START + 0xf,
 244                 .flags  = IORESOURCE_MEM,
 245         },
 246         [1] = {
 247                 .start  = OMAP_GPIO_IRQ(0),
 248                 .end    = OMAP_GPIO_IRQ(0),
 249                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 250         },
 251 };
 252
 253 static struct platform_device h2_smc91x_device = {
 254         .name           = "smc91x",
 255         .id             = 0,
 256         .dev    = {
 257                 .platform_data  = &h2_smc91x_info,
 258         },
 259         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 260         .resource       = h2_smc91x_resources,
 261 };
 262
 263 static struct resource h2_kp_resources[] = {
 264         [0] = {
 265                 .start  = INT_KEYBOARD,
 266                 .end    = INT_KEYBOARD,
 267                 .flags  = IORESOURCE_IRQ,
 268         },
 269 };
 270
 271 static const struct matrix_keymap_data h2_keymap_data = {
 272         .keymap         = h2_keymap,
 273         .keymap_size    = ARRAY_SIZE(h2_keymap),
 274 };
 275
 276 static struct omap_kp_platform_data h2_kp_data = {
 277         .rows           = 8,
 278         .cols           = 8,
 279         .keymap_data    = &h2_keymap_data,
 280         .rep            = true,
 281         .delay          = 9,
 282         .dbounce        = true,
 283 };
 284
 285 static struct platform_device h2_kp_device = {
 286         .name           = "omap-keypad",
 287         .id             = -1,
 288         .dev            = {
 289                 .platform_data = &h2_kp_data,
 290         },
 291         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 292         .resource       = h2_kp_resources,
 293 };
 294
 295 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 296
 297 static struct omap_irda_config h2_irda_data = {
 298         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 299         .rx_channel             = OMAP_DMA_UART3_RX,
 300         .tx_channel             = OMAP_DMA_UART3_TX,
 301         .dest_start             = UART3_THR,
 302         .src_start              = UART3_RHR,
 303         .tx_trigger             = 0,
 304         .rx_trigger             = 0,
 305 };
 306
 307 static struct resource h2_irda_resources[] = {
 308         [0] = {
 309                 .start  = INT_UART3,
 310                 .end    = INT_UART3,
 311                 .flags  = IORESOURCE_IRQ,
 312         },
 313 };
 314
 315 static u64 irda_dmamask = 0xffffffff;
 316
 317 static struct platform_device h2_irda_device = {
 318         .name           = "omapirda",
 319         .id             = 0,
 320         .dev            = {
 321                 .platform_data  = &h2_irda_data,
 322                 .dma_mask       = &irda_dmamask,
 323         },
 324         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 325         .resource       = h2_irda_resources,
 326 };
 327
 328 static struct platform_device h2_lcd_device = {
 329         .name           = "lcd_h2",
 330         .id             = -1,
 331 };
 332
 333 static struct platform_device *h2_devices[] __initdata = {
 334         &h2_nor_device,
 335         &h2_nand_device,
 336         &h2_smc91x_device,
 337         &h2_irda_device,
 338         &h2_kp_device,
 339         &h2_lcd_device,
 340 };
 341
 342 static void __init h2_init_smc91x(void)
 343 {
 344         if (gpio_request(0, "SMC91x irq") < 0) {
 345                 printk("Error requesting gpio 0 for smc91x irq\n");
 346                 return;
 347         }
 348 }
 349
 350 static int tps_setup(struct i2c_client *client, void *context)
 351 {
 352         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
 353                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
 354
 355         return 0;
 356 }
 357
 358 static struct tps65010_board tps_board = {
 359         .base           = H2_TPS_GPIO_BASE,
 360         .outmask        = 0x0f,
 361         .setup          = tps_setup,
 362 };
 363
 364 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 365         {
 366                 I2C_BOARD_INFO("tps65010", 0x48),
 367                 .irq            = OMAP_GPIO_IRQ(58),
 368                 .platform_data  = &tps_board,
 369         }, {
 370                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 371                 .irq            = OMAP_GPIO_IRQ(2),
 372         },
 373 };
 374
 375 static void __init h2_init_irq(void)
 376 {
 377         omap1_init_common_hw();
 378         omap1_init_irq();
 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         h2_init_smc91x();
 407
 408         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 409          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 410          * notice whether a NAND chip is enabled at probe time.
 411          *
 412          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 413          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 414          * detecting that in code here, to avoid probing every possible flash
 415          * configuration...
 416          */
 417         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 418         h2_nor_resource.end += SZ_32M - 1;
 419
 420         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 421         h2_nand_resource.end += SZ_4K - 1;
 422         if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 423                 BUG();
 424         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
 425
 426         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 427         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 428
 429         /* MMC:  card detect and WP */
 430         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
 431         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 432
 433         /* Mux pins for keypad */
 434         omap_cfg_reg(F18_1610_KBC0);
 435         omap_cfg_reg(D20_1610_KBC1);
 436         omap_cfg_reg(D19_1610_KBC2);
 437         omap_cfg_reg(E18_1610_KBC3);
 438         omap_cfg_reg(C21_1610_KBC4);
 439         omap_cfg_reg(G18_1610_KBR0);
 440         omap_cfg_reg(F19_1610_KBR1);
 441         omap_cfg_reg(H14_1610_KBR2);
 442         omap_cfg_reg(E20_1610_KBR3);
 443         omap_cfg_reg(E19_1610_KBR4);
 444         omap_cfg_reg(N19_1610_KBR5);
 445
 446         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 447         omap_board_config = h2_config;
 448         omap_board_config_size = ARRAY_SIZE(h2_config);
 449         omap_serial_init();
 450         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
 451                               ARRAY_SIZE(h2_i2c_board_info));
 452         omap1_usb_init(&h2_usb_config);
 453         h2_mmc_init();
 454 }
 455
 456 static void __init h2_map_io(void)
 457 {
 458         omap1_map_common_io();
 459 }
 460
 461 MACHINE_START(OMAP_H2, "TI-H2")
 462         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 463         .atag_offset    = 0x100,
 464         .map_io         = h2_map_io,
 465         .reserve        = omap_reserve,
 466         .init_irq       = h2_init_irq,
 467         .init_machine   = h2_init,
 468         .timer          = &omap1_timer,
 469 MACHINE_END