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/init.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/delay.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
  31 #include <asm/hardware.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/flash.h>
  35 #include <asm/mach/map.h>
  36
  37 #include <asm/arch/gpio.h>
  38 #include <asm/arch/mux.h>
  39 #include <asm/arch/tc.h>
  40 #include <asm/arch/irda.h>
  41 #include <asm/arch/usb.h>
  42 #include <asm/arch/keypad.h>
  43 #include <asm/arch/common.h>
  44 #include <asm/arch/mcbsp.h>
  45 #include <asm/arch/omap-alsa.h>
  46
  47 extern int omap_gpio_init(void);
  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 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,
 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         .rep    = 1,
 231 };
 232
 233 static struct platform_device h2_kp_device = {
 234         .name           = "omap-keypad",
 235         .id             = -1,
 236         .dev            = {
 237                 .platform_data = &h2_kp_data,
 238         },
 239         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 240         .resource       = h2_kp_resources,
 241 };
 242
 243 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 244
 245 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 246 static int h2_transceiver_mode(struct device *dev, int state)
 247 {
 248         if (state & IR_SIRMODE)
 249                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 250         else    /* MIR/FIR */
 251                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
 252
 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 static struct platform_device h2_irda_device = {
 275         .name           = "omapirda",
 276         .id             = 0,
 277         .dev            = {
 278                 .platform_data  = &h2_irda_data,
 279         },
 280         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 281         .resource       = h2_irda_resources,
 282 };
 283
 284 static struct platform_device h2_lcd_device = {
 285         .name           = "lcd_h2",
 286         .id             = -1,
 287 };
 288
 289 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 290         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
 291         .spcr1 = RINTM(3) | RRST,
 292         .rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 293                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
 294         .rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
 295         .xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 296                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
 297         .xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
 298         .srgr1 = FWID(15),
 299         .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
 300
 301         .pcr0  = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
 302         //.pcr0 = CLKXP | CLKRP,        /* mcbsp: slave */
 303 };
 304
 305 static struct omap_alsa_codec_config alsa_config = {
 306         .name                   = "H2 TSC2101",
 307         .mcbsp_regs_alsa        = &mcbsp_regs,
 308         .codec_configure_dev    = NULL, // tsc2101_configure,
 309         .codec_set_samplerate   = NULL, // tsc2101_set_samplerate,
 310         .codec_clock_setup      = NULL, // tsc2101_clock_setup,
 311         .codec_clock_on         = NULL, // tsc2101_clock_on,
 312         .codec_clock_off        = NULL, // tsc2101_clock_off,
 313         .get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
 314 };
 315
 316 static struct platform_device h2_mcbsp1_device = {
 317         .name   = "omap_alsa_mcbsp",
 318         .id     = 1,
 319         .dev = {
 320                 .platform_data  = &alsa_config,
 321         },
 322 };
 323
 324 static struct platform_device *h2_devices[] __initdata = {
 325         &h2_nor_device,
 326         &h2_nand_device,
 327         &h2_smc91x_device,
 328         &h2_irda_device,
 329         &h2_kp_device,
 330         &h2_lcd_device,
 331         &h2_mcbsp1_device,
 332 };
 333
 334 static void __init h2_init_smc91x(void)
 335 {
 336         if ((omap_request_gpio(0)) < 0) {
 337                 printk("Error requesting gpio 0 for smc91x irq\n");
 338                 return;
 339         }
 340 }
 341
 342 static void __init h2_init_irq(void)
 343 {
 344         omap1_init_common_hw();
 345         omap_init_irq();
 346         omap_gpio_init();
 347         h2_init_smc91x();
 348 }
 349
 350 static struct omap_usb_config h2_usb_config __initdata = {
 351         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 352         .otg            = 2,
 353
 354 #ifdef  CONFIG_USB_GADGET_OMAP
 355         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 356         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 357 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 358         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 359         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 360 #endif
 361
 362         .pins[1]        = 3,
 363 };
 364
 365 static struct omap_mmc_config h2_mmc_config __initdata = {
 366         .mmc [0] = {
 367                 .enabled        = 1,
 368                 .wire4          = 1,
 369                 .wp_pin         = OMAP_MPUIO(3),
 370                 .power_pin      = -1,   /* tps65010 gpio3 */
 371                 .switch_pin     = OMAP_MPUIO(1),
 372         },
 373 };
 374
 375 static struct omap_uart_config h2_uart_config __initdata = {
 376         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 377 };
 378
 379 static struct omap_lcd_config h2_lcd_config __initdata = {
 380         .ctrl_name      = "internal",
 381 };
 382
 383 static struct omap_board_config_kernel h2_config[] = {
 384         { OMAP_TAG_USB,           &h2_usb_config },
 385         { OMAP_TAG_MMC,           &h2_mmc_config },
 386         { OMAP_TAG_UART,        &h2_uart_config },
 387         { OMAP_TAG_LCD,         &h2_lcd_config },
 388 };
 389
 390 #define H2_NAND_RB_GPIO_PIN     62
 391
 392 static int h2_nand_dev_ready(struct nand_platform_data *data)
 393 {
 394         return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
 395 }
 396
 397 static void __init h2_init(void)
 398 {
 399         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 400          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 401          * notice whether a NAND chip is enabled at probe time.
 402          *
 403          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 404          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 405          * detecting that in code here, to avoid probing every possible flash
 406          * configuration...
 407          */
 408         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 409         h2_nor_resource.end += SZ_32M - 1;
 410
 411         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 412         h2_nand_resource.end += SZ_4K - 1;
 413         if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
 414                 h2_nand_data.dev_ready = h2_nand_dev_ready;
 415
 416         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 417         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 418
 419         /* MMC:  card detect and WP */
 420         // omap_cfg_reg(U19_ARMIO1);            /* CD */
 421         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 422
 423         /* Irda */
 424 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 425         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
 426         if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
 427                 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
 428                 h2_irda_data.transceiver_mode = h2_transceiver_mode;
 429         }
 430 #endif
 431
 432         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 433         omap_board_config = h2_config;
 434         omap_board_config_size = ARRAY_SIZE(h2_config);
 435         omap_serial_init();
 436 }
 437
 438 static void __init h2_map_io(void)
 439 {
 440         omap1_map_common_io();
 441 }
 442
 443 MACHINE_START(OMAP_H2, "TI-H2")
 444         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 445         .phys_io        = 0xfff00000,
 446         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 447         .boot_params    = 0x10000100,
 448         .map_io         = h2_map_io,
 449         .init_irq       = h2_init_irq,
 450         .init_machine   = h2_init,
 451         .timer          = &omap_timer,
 452 MACHINE_END