arch/arm/mach-omap1/board-innovator.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-innovator.c
   3  *
   4  * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
   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  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17  */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/delay.h>
  23 #include <linux/mtd/mtd.h>
  24 #include <linux/mtd/partitions.h>
  25 #include <linux/input.h>
  26
  27 #include <asm/hardware.h>
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/flash.h>
  31 #include <asm/mach/map.h>
  32
  33 #include <asm/arch/mux.h>
  34 #include <asm/arch/fpga.h>
  35 #include <asm/arch/gpio.h>
  36 #include <asm/arch/tc.h>
  37 #include <asm/arch/usb.h>
  38 #include <asm/arch/keypad.h>
  39 #include <asm/arch/common.h>
  40 #include <asm/arch/mcbsp.h>
  41 #include <asm/arch/omap-alsa.h>
  42
  43 static int innovator_keymap[] = {
  44         KEY(0, 0, KEY_F1),
  45         KEY(0, 3, KEY_DOWN),
  46         KEY(1, 1, KEY_F2),
  47         KEY(1, 2, KEY_RIGHT),
  48         KEY(2, 0, KEY_F3),
  49         KEY(2, 1, KEY_F4),
  50         KEY(2, 2, KEY_UP),
  51         KEY(3, 2, KEY_ENTER),
  52         KEY(3, 3, KEY_LEFT),
  53         0
  54 };
  55
  56 static struct mtd_partition innovator_partitions[] = {
  57         /* bootloader (U-Boot, etc) in first sector */
  58         {
  59               .name             = "bootloader",
  60               .offset           = 0,
  61               .size             = SZ_128K,
  62               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  63         },
  64         /* bootloader params in the next sector */
  65         {
  66               .name             = "params",
  67               .offset           = MTDPART_OFS_APPEND,
  68               .size             = SZ_128K,
  69               .mask_flags       = 0,
  70         },
  71         /* kernel */
  72         {
  73               .name             = "kernel",
  74               .offset           = MTDPART_OFS_APPEND,
  75               .size             = SZ_2M,
  76               .mask_flags       = 0
  77         },
  78         /* rest of flash1 is a file system */
  79         {
  80               .name             = "rootfs",
  81               .offset           = MTDPART_OFS_APPEND,
  82               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  83               .mask_flags       = 0
  84         },
  85         /* file system */
  86         {
  87               .name             = "filesystem",
  88               .offset           = MTDPART_OFS_APPEND,
  89               .size             = MTDPART_SIZ_FULL,
  90               .mask_flags       = 0
  91         }
  92 };
  93
  94 static struct flash_platform_data innovator_flash_data = {
  95         .map_name       = "cfi_probe",
  96         .width          = 2,
  97         .parts          = innovator_partitions,
  98         .nr_parts       = ARRAY_SIZE(innovator_partitions),
  99 };
 100
 101 static struct resource innovator_flash_resource = {
 102         .start          = OMAP_CS0_PHYS,
 103         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 104         .flags          = IORESOURCE_MEM,
 105 };
 106
 107 static struct platform_device innovator_flash_device = {
 108         .name           = "omapflash",
 109         .id             = 0,
 110         .dev            = {
 111                 .platform_data  = &innovator_flash_data,
 112         },
 113         .num_resources  = 1,
 114         .resource       = &innovator_flash_resource,
 115 };
 116
 117 #define DEFAULT_BITPERSAMPLE 16
 118
 119 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 120         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
 121         .spcr1 = RINTM(3) | RRST,
 122         .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 123             RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
 124         .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
 125         .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 126             XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
 127         .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
 128         .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
 129         .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
 130         /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
 131         .pcr0 = CLKXP | CLKRP,  /* mcbsp: slave */
 132 };
 133
 134 static struct omap_alsa_codec_config alsa_config = {
 135         .name                   = "OMAP Innovator AIC23",
 136         .mcbsp_regs_alsa        = &mcbsp_regs,
 137         .codec_configure_dev    = NULL, // aic23_configure,
 138         .codec_set_samplerate   = NULL, // aic23_set_samplerate,
 139         .codec_clock_setup      = NULL, // aic23_clock_setup,
 140         .codec_clock_on         = NULL, // aic23_clock_on,
 141         .codec_clock_off        = NULL, // aic23_clock_off,
 142         .get_default_samplerate = NULL, // aic23_get_default_samplerate,
 143 };
 144
 145 static struct platform_device innovator_mcbsp1_device = {
 146         .name   = "omap_alsa_mcbsp",
 147         .id     = 1,
 148         .dev = {
 149                 .platform_data  = &alsa_config,
 150         },
 151 };
 152
 153 static struct resource innovator_kp_resources[] = {
 154         [0] = {
 155                 .start  = INT_KEYBOARD,
 156                 .end    = INT_KEYBOARD,
 157                 .flags  = IORESOURCE_IRQ,
 158         },
 159 };
 160
 161 static struct omap_kp_platform_data innovator_kp_data = {
 162         .rows   = 8,
 163         .cols   = 8,
 164         .keymap = innovator_keymap,
 165 };
 166
 167 static struct platform_device innovator_kp_device = {
 168         .name           = "omap-keypad",
 169         .id             = -1,
 170         .dev            = {
 171                 .platform_data = &innovator_kp_data,
 172         },
 173         .num_resources  = ARRAY_SIZE(innovator_kp_resources),
 174         .resource       = innovator_kp_resources,
 175 };
 176
 177
 178 #ifdef CONFIG_ARCH_OMAP15XX
 179
 180 #include <linux/spi/spi.h>
 181 #include <linux/spi/ads7846.h>
 182
 183
 184 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 185 static struct map_desc innovator1510_io_desc[] __initdata = {
 186         {
 187                 .virtual        = OMAP1510_FPGA_BASE,
 188                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 189                 .length         = OMAP1510_FPGA_SIZE,
 190                 .type           = MT_DEVICE
 191         }
 192 };
 193
 194 static struct resource innovator1510_smc91x_resources[] = {
 195         [0] = {
 196                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 197                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 198                 .flags  = IORESOURCE_MEM,
 199         },
 200         [1] = {
 201                 .start  = OMAP1510_INT_ETHER,
 202                 .end    = OMAP1510_INT_ETHER,
 203                 .flags  = IORESOURCE_IRQ,
 204         },
 205 };
 206
 207 static struct platform_device innovator1510_smc91x_device = {
 208         .name           = "smc91x",
 209         .id             = 0,
 210         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 211         .resource       = innovator1510_smc91x_resources,
 212 };
 213
 214 static struct platform_device innovator1510_lcd_device = {
 215         .name           = "lcd_inn1510",
 216         .id             = -1,
 217 };
 218
 219 static struct platform_device innovator1510_spi_device = {
 220         .name           = "spi_inn1510",
 221         .id             = -1,
 222 };
 223
 224 static struct platform_device *innovator1510_devices[] __initdata = {
 225         &innovator_flash_device,
 226         &innovator1510_smc91x_device,
 227         &innovator_mcbsp1_device,
 228         &innovator_kp_device,
 229         &innovator1510_lcd_device,
 230         &innovator1510_spi_device,
 231 };
 232
 233 static int innovator_get_pendown_state(void)
 234 {
 235         return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
 236 }
 237
 238 static const struct ads7846_platform_data innovator1510_ts_info = {
 239         .model                  = 7846,
 240         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 241         .x_plate_ohms           = 419,
 242         .y_plate_ohms           = 486,
 243         .get_pendown_state      = innovator_get_pendown_state,
 244 };
 245
 246 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
 247         /* FPGA (bus "10") CS0 has an ads7846e */
 248         .modalias               = "ads7846",
 249         .platform_data          = &innovator1510_ts_info,
 250         .irq                    = OMAP1510_INT_FPGA_TS,
 251         .max_speed_hz           = 120000 /* max sample rate at 3V */
 252                                         * 26 /* command + data + overhead */,
 253         .bus_num                = 10,
 254         .chip_select            = 0,
 255 } };
 256
 257 #endif /* CONFIG_ARCH_OMAP15XX */
 258
 259 #ifdef CONFIG_ARCH_OMAP16XX
 260
 261 static struct resource innovator1610_smc91x_resources[] = {
 262         [0] = {
 263                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 264                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 265                 .flags  = IORESOURCE_MEM,
 266         },
 267         [1] = {
 268                 .start  = OMAP_GPIO_IRQ(0),
 269                 .end    = OMAP_GPIO_IRQ(0),
 270                 .flags  = IORESOURCE_IRQ,
 271         },
 272 };
 273
 274 static struct platform_device innovator1610_smc91x_device = {
 275         .name           = "smc91x",
 276         .id             = 0,
 277         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 278         .resource       = innovator1610_smc91x_resources,
 279 };
 280
 281 static struct platform_device innovator1610_lcd_device = {
 282         .name           = "inn1610_lcd",
 283         .id             = -1,
 284 };
 285
 286 static struct platform_device *innovator1610_devices[] __initdata = {
 287         &innovator_flash_device,
 288         &innovator1610_smc91x_device,
 289         &innovator_kp_device,
 290         &innovator1610_lcd_device,
 291 };
 292
 293 #endif /* CONFIG_ARCH_OMAP16XX */
 294
 295 static void __init innovator_init_smc91x(void)
 296 {
 297         if (cpu_is_omap1510()) {
 298                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 299                            OMAP1510_FPGA_RST);
 300                 udelay(750);
 301         } else {
 302                 if ((omap_request_gpio(0)) < 0) {
 303                         printk("Error requesting gpio 0 for smc91x irq\n");
 304                         return;
 305                 }
 306         }
 307 }
 308
 309 void innovator_init_irq(void)
 310 {
 311         omap1_init_common_hw();
 312         omap_init_irq();
 313         omap_gpio_init();
 314 #ifdef CONFIG_ARCH_OMAP15XX
 315         if (cpu_is_omap1510()) {
 316                 omap1510_fpga_init_irq();
 317         }
 318 #endif
 319         innovator_init_smc91x();
 320 }
 321
 322 #ifdef CONFIG_ARCH_OMAP15XX
 323 static struct omap_usb_config innovator1510_usb_config __initdata = {
 324         /* for bundled non-standard host and peripheral cables */
 325         .hmc_mode       = 4,
 326
 327         .register_host  = 1,
 328         .pins[1]        = 6,
 329         .pins[2]        = 6,            /* Conflicts with UART2 */
 330
 331         .register_dev   = 1,
 332         .pins[0]        = 2,
 333 };
 334
 335 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
 336         .ctrl_name      = "internal",
 337 };
 338 #endif
 339
 340 #ifdef CONFIG_ARCH_OMAP16XX
 341 static struct omap_usb_config h2_usb_config __initdata = {
 342         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 343         .otg            = 2,
 344
 345 #ifdef  CONFIG_USB_GADGET_OMAP
 346         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
 347         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
 348 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 349         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 350         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
 351 #endif
 352
 353         .pins[1]        = 3,
 354 };
 355
 356 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
 357         .ctrl_name      = "internal",
 358 };
 359 #endif
 360
 361 static struct omap_mmc_config innovator_mmc_config __initdata = {
 362         .mmc [0] = {
 363                 .enabled        = 1,
 364                 .wire4          = 1,
 365                 .wp_pin         = OMAP_MPUIO(3),
 366                 .power_pin      = -1,   /* FPGA F3 UIO42 */
 367                 .switch_pin     = -1,   /* FPGA F4 UIO43 */
 368         },
 369 };
 370
 371 static struct omap_uart_config innovator_uart_config __initdata = {
 372         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 373 };
 374
 375 static struct omap_board_config_kernel innovator_config[] = {
 376         { OMAP_TAG_USB,         NULL },
 377         { OMAP_TAG_LCD,         NULL },
 378         { OMAP_TAG_MMC,         &innovator_mmc_config },
 379         { OMAP_TAG_UART,        &innovator_uart_config },
 380 };
 381
 382 static void __init innovator_init(void)
 383 {
 384 #ifdef CONFIG_ARCH_OMAP15XX
 385         if (cpu_is_omap1510()) {
 386                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 387                 spi_register_board_info(innovator1510_boardinfo,
 388                                 ARRAY_SIZE(innovator1510_boardinfo));
 389         }
 390 #endif
 391 #ifdef CONFIG_ARCH_OMAP16XX
 392         if (!cpu_is_omap1510()) {
 393                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 394         }
 395 #endif
 396
 397 #ifdef CONFIG_ARCH_OMAP15XX
 398         if (cpu_is_omap1510()) {
 399                 innovator_config[0].data = &innovator1510_usb_config;
 400                 innovator_config[1].data = &innovator1510_lcd_config;
 401         }
 402 #endif
 403 #ifdef CONFIG_ARCH_OMAP16XX
 404         if (cpu_is_omap1610()) {
 405                 innovator_config[0].data = &h2_usb_config;
 406                 innovator_config[1].data = &innovator1610_lcd_config;
 407         }
 408 #endif
 409         omap_board_config = innovator_config;
 410         omap_board_config_size = ARRAY_SIZE(innovator_config);
 411         omap_serial_init();
 412 }
 413
 414 static void __init innovator_map_io(void)
 415 {
 416         omap1_map_common_io();
 417
 418 #ifdef CONFIG_ARCH_OMAP15XX
 419         if (cpu_is_omap1510()) {
 420                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 421                 udelay(10);     /* Delay needed for FPGA */
 422
 423                 /* Dump the Innovator FPGA rev early - useful info for support. */
 424                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 425                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 426                        fpga_read(OMAP1510_FPGA_REV_LOW),
 427                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 428         }
 429 #endif
 430 }
 431
 432 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 433         /* Maintainer: MontaVista Software, Inc. */
 434         .phys_io        = 0xfff00000,
 435         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 436         .boot_params    = 0x10000100,
 437         .map_io         = innovator_map_io,
 438         .init_irq       = innovator_init_irq,
 439         .init_machine   = innovator_init,
 440         .timer          = &omap_timer,
 441 MACHINE_END