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         .keymapsize     = ARRAY_SIZE(innovator_keymap),
 166         .delay          = 4,
 167 };
 168
 169 static struct platform_device innovator_kp_device = {
 170         .name           = "omap-keypad",
 171         .id             = -1,
 172         .dev            = {
 173                 .platform_data = &innovator_kp_data,
 174         },
 175         .num_resources  = ARRAY_SIZE(innovator_kp_resources),
 176         .resource       = innovator_kp_resources,
 177 };
 178
 179
 180 #ifdef CONFIG_ARCH_OMAP15XX
 181
 182 #include <linux/spi/spi.h>
 183 #include <linux/spi/ads7846.h>
 184
 185
 186 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 187 static struct map_desc innovator1510_io_desc[] __initdata = {
 188         {
 189                 .virtual        = OMAP1510_FPGA_BASE,
 190                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 191                 .length         = OMAP1510_FPGA_SIZE,
 192                 .type           = MT_DEVICE
 193         }
 194 };
 195
 196 static struct resource innovator1510_smc91x_resources[] = {
 197         [0] = {
 198                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 199                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 200                 .flags  = IORESOURCE_MEM,
 201         },
 202         [1] = {
 203                 .start  = OMAP1510_INT_ETHER,
 204                 .end    = OMAP1510_INT_ETHER,
 205                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 206         },
 207 };
 208
 209 static struct platform_device innovator1510_smc91x_device = {
 210         .name           = "smc91x",
 211         .id             = 0,
 212         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 213         .resource       = innovator1510_smc91x_resources,
 214 };
 215
 216 static struct platform_device innovator1510_lcd_device = {
 217         .name           = "lcd_inn1510",
 218         .id             = -1,
 219 };
 220
 221 static struct platform_device innovator1510_spi_device = {
 222         .name           = "spi_inn1510",
 223         .id             = -1,
 224 };
 225
 226 static struct platform_device *innovator1510_devices[] __initdata = {
 227         &innovator_flash_device,
 228         &innovator1510_smc91x_device,
 229         &innovator_mcbsp1_device,
 230         &innovator_kp_device,
 231         &innovator1510_lcd_device,
 232         &innovator1510_spi_device,
 233 };
 234
 235 static int innovator_get_pendown_state(void)
 236 {
 237         return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
 238 }
 239
 240 static const struct ads7846_platform_data innovator1510_ts_info = {
 241         .model                  = 7846,
 242         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 243         .x_plate_ohms           = 419,
 244         .y_plate_ohms           = 486,
 245         .get_pendown_state      = innovator_get_pendown_state,
 246 };
 247
 248 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
 249         /* FPGA (bus "10") CS0 has an ads7846e */
 250         .modalias               = "ads7846",
 251         .platform_data          = &innovator1510_ts_info,
 252         .irq                    = OMAP1510_INT_FPGA_TS,
 253         .max_speed_hz           = 120000 /* max sample rate at 3V */
 254                                         * 26 /* command + data + overhead */,
 255         .bus_num                = 10,
 256         .chip_select            = 0,
 257 } };
 258
 259 #endif /* CONFIG_ARCH_OMAP15XX */
 260
 261 #ifdef CONFIG_ARCH_OMAP16XX
 262
 263 static struct resource innovator1610_smc91x_resources[] = {
 264         [0] = {
 265                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 266                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 267                 .flags  = IORESOURCE_MEM,
 268         },
 269         [1] = {
 270                 .start  = OMAP_GPIO_IRQ(0),
 271                 .end    = OMAP_GPIO_IRQ(0),
 272                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 273         },
 274 };
 275
 276 static struct platform_device innovator1610_smc91x_device = {
 277         .name           = "smc91x",
 278         .id             = 0,
 279         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 280         .resource       = innovator1610_smc91x_resources,
 281 };
 282
 283 static struct platform_device innovator1610_lcd_device = {
 284         .name           = "inn1610_lcd",
 285         .id             = -1,
 286 };
 287
 288 static struct platform_device *innovator1610_devices[] __initdata = {
 289         &innovator_flash_device,
 290         &innovator1610_smc91x_device,
 291         &innovator_kp_device,
 292         &innovator1610_lcd_device,
 293 };
 294
 295 #endif /* CONFIG_ARCH_OMAP16XX */
 296
 297 static void __init innovator_init_smc91x(void)
 298 {
 299         if (cpu_is_omap1510()) {
 300                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 301                            OMAP1510_FPGA_RST);
 302                 udelay(750);
 303         } else {
 304                 if ((omap_request_gpio(0)) < 0) {
 305                         printk("Error requesting gpio 0 for smc91x irq\n");
 306                         return;
 307                 }
 308         }
 309 }
 310
 311 static void __init innovator_init_irq(void)
 312 {
 313         omap1_init_common_hw();
 314         omap_init_irq();
 315         omap_gpio_init();
 316 #ifdef CONFIG_ARCH_OMAP15XX
 317         if (cpu_is_omap1510()) {
 318                 omap1510_fpga_init_irq();
 319         }
 320 #endif
 321         innovator_init_smc91x();
 322 }
 323
 324 #ifdef CONFIG_ARCH_OMAP15XX
 325 static struct omap_usb_config innovator1510_usb_config __initdata = {
 326         /* for bundled non-standard host and peripheral cables */
 327         .hmc_mode       = 4,
 328
 329         .register_host  = 1,
 330         .pins[1]        = 6,
 331         .pins[2]        = 6,            /* Conflicts with UART2 */
 332
 333         .register_dev   = 1,
 334         .pins[0]        = 2,
 335 };
 336
 337 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
 338         .ctrl_name      = "internal",
 339 };
 340 #endif
 341
 342 #ifdef CONFIG_ARCH_OMAP16XX
 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         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 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_lcd_config innovator1610_lcd_config __initdata = {
 359         .ctrl_name      = "internal",
 360 };
 361 #endif
 362
 363 static struct omap_mmc_config innovator_mmc_config __initdata = {
 364         .mmc [0] = {
 365                 .enabled        = 1,
 366                 .wire4          = 1,
 367                 .wp_pin         = OMAP_MPUIO(3),
 368                 .power_pin      = -1,   /* FPGA F3 UIO42 */
 369                 .switch_pin     = -1,   /* FPGA F4 UIO43 */
 370         },
 371 };
 372
 373 static struct omap_uart_config innovator_uart_config __initdata = {
 374         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 375 };
 376
 377 static struct omap_board_config_kernel innovator_config[] = {
 378         { OMAP_TAG_USB,         NULL },
 379         { OMAP_TAG_LCD,         NULL },
 380         { OMAP_TAG_MMC,         &innovator_mmc_config },
 381         { OMAP_TAG_UART,        &innovator_uart_config },
 382 };
 383
 384 static void __init innovator_init(void)
 385 {
 386 #ifdef CONFIG_ARCH_OMAP15XX
 387         if (cpu_is_omap1510()) {
 388                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 389                 spi_register_board_info(innovator1510_boardinfo,
 390                                 ARRAY_SIZE(innovator1510_boardinfo));
 391         }
 392 #endif
 393 #ifdef CONFIG_ARCH_OMAP16XX
 394         if (!cpu_is_omap1510()) {
 395                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 396         }
 397 #endif
 398
 399 #ifdef CONFIG_ARCH_OMAP15XX
 400         if (cpu_is_omap1510()) {
 401                 innovator_config[0].data = &innovator1510_usb_config;
 402                 innovator_config[1].data = &innovator1510_lcd_config;
 403         }
 404 #endif
 405 #ifdef CONFIG_ARCH_OMAP16XX
 406         if (cpu_is_omap1610()) {
 407                 innovator_config[0].data = &h2_usb_config;
 408                 innovator_config[1].data = &innovator1610_lcd_config;
 409         }
 410 #endif
 411         omap_board_config = innovator_config;
 412         omap_board_config_size = ARRAY_SIZE(innovator_config);
 413         omap_serial_init();
 414         omap_register_i2c_bus(1, 100, NULL, 0);
 415 }
 416
 417 static void __init innovator_map_io(void)
 418 {
 419         omap1_map_common_io();
 420
 421 #ifdef CONFIG_ARCH_OMAP15XX
 422         if (cpu_is_omap1510()) {
 423                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 424                 udelay(10);     /* Delay needed for FPGA */
 425
 426                 /* Dump the Innovator FPGA rev early - useful info for support. */
 427                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 428                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 429                        fpga_read(OMAP1510_FPGA_REV_LOW),
 430                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 431         }
 432 #endif
 433 }
 434
 435 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 436         /* Maintainer: MontaVista Software, Inc. */
 437         .phys_io        = 0xfff00000,
 438         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 439         .boot_params    = 0x10000100,
 440         .map_io         = innovator_map_io,
 441         .init_irq       = innovator_init_irq,
 442         .init_machine   = innovator_init,
 443         .timer          = &omap_timer,
 444 MACHINE_END