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