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 #include <linux/smc91x.h>
  27
  28 #include <mach/hardware.h>
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31 #include <asm/mach/flash.h>
  32 #include <asm/mach/map.h>
  33
  34 #include <plat/mux.h>
  35 #include <plat/fpga.h>
  36 #include <mach/gpio.h>
  37 #include <plat/tc.h>
  38 #include <plat/usb.h>
  39 #include <plat/keypad.h>
  40 #include <plat/common.h>
  41 #include <plat/mmc.h>
  42
  43 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  44 #define INNOVATOR1610_ETHR_START        0x04000300
  45
  46 static int innovator_keymap[] = {
  47         KEY(0, 0, KEY_F1),
  48         KEY(0, 3, KEY_DOWN),
  49         KEY(1, 1, KEY_F2),
  50         KEY(1, 2, KEY_RIGHT),
  51         KEY(2, 0, KEY_F3),
  52         KEY(2, 1, KEY_F4),
  53         KEY(2, 2, KEY_UP),
  54         KEY(3, 2, KEY_ENTER),
  55         KEY(3, 3, KEY_LEFT),
  56         0
  57 };
  58
  59 static struct mtd_partition innovator_partitions[] = {
  60         /* bootloader (U-Boot, etc) in first sector */
  61         {
  62               .name             = "bootloader",
  63               .offset           = 0,
  64               .size             = SZ_128K,
  65               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  66         },
  67         /* bootloader params in the next sector */
  68         {
  69               .name             = "params",
  70               .offset           = MTDPART_OFS_APPEND,
  71               .size             = SZ_128K,
  72               .mask_flags       = 0,
  73         },
  74         /* kernel */
  75         {
  76               .name             = "kernel",
  77               .offset           = MTDPART_OFS_APPEND,
  78               .size             = SZ_2M,
  79               .mask_flags       = 0
  80         },
  81         /* rest of flash1 is a file system */
  82         {
  83               .name             = "rootfs",
  84               .offset           = MTDPART_OFS_APPEND,
  85               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  86               .mask_flags       = 0
  87         },
  88         /* file system */
  89         {
  90               .name             = "filesystem",
  91               .offset           = MTDPART_OFS_APPEND,
  92               .size             = MTDPART_SIZ_FULL,
  93               .mask_flags       = 0
  94         }
  95 };
  96
  97 static struct flash_platform_data innovator_flash_data = {
  98         .map_name       = "cfi_probe",
  99         .width          = 2,
 100         .parts          = innovator_partitions,
 101         .nr_parts       = ARRAY_SIZE(innovator_partitions),
 102 };
 103
 104 static struct resource innovator_flash_resource = {
 105         .start          = OMAP_CS0_PHYS,
 106         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 107         .flags          = IORESOURCE_MEM,
 108 };
 109
 110 static struct platform_device innovator_flash_device = {
 111         .name           = "omapflash",
 112         .id             = 0,
 113         .dev            = {
 114                 .platform_data  = &innovator_flash_data,
 115         },
 116         .num_resources  = 1,
 117         .resource       = &innovator_flash_resource,
 118 };
 119
 120 static struct resource innovator_kp_resources[] = {
 121         [0] = {
 122                 .start  = INT_KEYBOARD,
 123                 .end    = INT_KEYBOARD,
 124                 .flags  = IORESOURCE_IRQ,
 125         },
 126 };
 127
 128 static struct omap_kp_platform_data innovator_kp_data = {
 129         .rows           = 8,
 130         .cols           = 8,
 131         .keymap         = innovator_keymap,
 132         .keymapsize     = ARRAY_SIZE(innovator_keymap),
 133         .delay          = 4,
 134 };
 135
 136 static struct platform_device innovator_kp_device = {
 137         .name           = "omap-keypad",
 138         .id             = -1,
 139         .dev            = {
 140                 .platform_data = &innovator_kp_data,
 141         },
 142         .num_resources  = ARRAY_SIZE(innovator_kp_resources),
 143         .resource       = innovator_kp_resources,
 144 };
 145
 146 static struct smc91x_platdata innovator_smc91x_info = {
 147         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 148         .leda   = RPC_LED_100_10,
 149         .ledb   = RPC_LED_TX_RX,
 150 };
 151
 152 #ifdef CONFIG_ARCH_OMAP15XX
 153
 154 #include <linux/spi/spi.h>
 155 #include <linux/spi/ads7846.h>
 156
 157
 158 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 159 static struct map_desc innovator1510_io_desc[] __initdata = {
 160         {
 161                 .virtual        = OMAP1510_FPGA_BASE,
 162                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 163                 .length         = OMAP1510_FPGA_SIZE,
 164                 .type           = MT_DEVICE
 165         }
 166 };
 167
 168 static struct resource innovator1510_smc91x_resources[] = {
 169         [0] = {
 170                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 171                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 172                 .flags  = IORESOURCE_MEM,
 173         },
 174         [1] = {
 175                 .start  = OMAP1510_INT_ETHER,
 176                 .end    = OMAP1510_INT_ETHER,
 177                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 178         },
 179 };
 180
 181 static struct platform_device innovator1510_smc91x_device = {
 182         .name           = "smc91x",
 183         .id             = 0,
 184         .dev    = {
 185                 .platform_data  = &innovator_smc91x_info,
 186         },
 187         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 188         .resource       = innovator1510_smc91x_resources,
 189 };
 190
 191 static struct platform_device innovator1510_lcd_device = {
 192         .name           = "lcd_inn1510",
 193         .id             = -1,
 194 };
 195
 196 static struct platform_device innovator1510_spi_device = {
 197         .name           = "spi_inn1510",
 198         .id             = -1,
 199 };
 200
 201 static struct platform_device *innovator1510_devices[] __initdata = {
 202         &innovator_flash_device,
 203         &innovator1510_smc91x_device,
 204         &innovator_kp_device,
 205         &innovator1510_lcd_device,
 206         &innovator1510_spi_device,
 207 };
 208
 209 static int innovator_get_pendown_state(void)
 210 {
 211         return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
 212 }
 213
 214 static const struct ads7846_platform_data innovator1510_ts_info = {
 215         .model                  = 7846,
 216         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 217         .x_plate_ohms           = 419,
 218         .y_plate_ohms           = 486,
 219         .get_pendown_state      = innovator_get_pendown_state,
 220 };
 221
 222 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
 223         /* FPGA (bus "10") CS0 has an ads7846e */
 224         .modalias               = "ads7846",
 225         .platform_data          = &innovator1510_ts_info,
 226         .irq                    = OMAP1510_INT_FPGA_TS,
 227         .max_speed_hz           = 120000 /* max sample rate at 3V */
 228                                         * 26 /* command + data + overhead */,
 229         .bus_num                = 10,
 230         .chip_select            = 0,
 231 } };
 232
 233 #endif /* CONFIG_ARCH_OMAP15XX */
 234
 235 #ifdef CONFIG_ARCH_OMAP16XX
 236
 237 static struct resource innovator1610_smc91x_resources[] = {
 238         [0] = {
 239                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 240                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 241                 .flags  = IORESOURCE_MEM,
 242         },
 243         [1] = {
 244                 .start  = OMAP_GPIO_IRQ(0),
 245                 .end    = OMAP_GPIO_IRQ(0),
 246                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 247         },
 248 };
 249
 250 static struct platform_device innovator1610_smc91x_device = {
 251         .name           = "smc91x",
 252         .id             = 0,
 253         .dev    = {
 254                 .platform_data  = &innovator_smc91x_info,
 255         },
 256         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 257         .resource       = innovator1610_smc91x_resources,
 258 };
 259
 260 static struct platform_device innovator1610_lcd_device = {
 261         .name           = "inn1610_lcd",
 262         .id             = -1,
 263 };
 264
 265 static struct platform_device *innovator1610_devices[] __initdata = {
 266         &innovator_flash_device,
 267         &innovator1610_smc91x_device,
 268         &innovator_kp_device,
 269         &innovator1610_lcd_device,
 270 };
 271
 272 #endif /* CONFIG_ARCH_OMAP16XX */
 273
 274 static void __init innovator_init_smc91x(void)
 275 {
 276         if (cpu_is_omap1510()) {
 277                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
 278                            OMAP1510_FPGA_RST);
 279                 udelay(750);
 280         } else {
 281                 if (gpio_request(0, "SMC91x irq") < 0) {
 282                         printk("Error requesting gpio 0 for smc91x irq\n");
 283                         return;
 284                 }
 285         }
 286 }
 287
 288 static void __init innovator_init_irq(void)
 289 {
 290         omap1_init_common_hw();
 291         omap_init_irq();
 292         omap_gpio_init();
 293 #ifdef CONFIG_ARCH_OMAP15XX
 294         if (cpu_is_omap1510()) {
 295                 omap1510_fpga_init_irq();
 296         }
 297 #endif
 298         innovator_init_smc91x();
 299 }
 300
 301 #ifdef CONFIG_ARCH_OMAP15XX
 302 static struct omap_usb_config innovator1510_usb_config __initdata = {
 303         /* for bundled non-standard host and peripheral cables */
 304         .hmc_mode       = 4,
 305
 306         .register_host  = 1,
 307         .pins[1]        = 6,
 308         .pins[2]        = 6,            /* Conflicts with UART2 */
 309
 310         .register_dev   = 1,
 311         .pins[0]        = 2,
 312 };
 313
 314 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
 315         .ctrl_name      = "internal",
 316 };
 317 #endif
 318
 319 #ifdef CONFIG_ARCH_OMAP16XX
 320 static struct omap_usb_config h2_usb_config __initdata = {
 321         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 322         .otg            = 2,
 323
 324 #ifdef  CONFIG_USB_GADGET_OMAP
 325         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 326         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 327 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 328         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 329         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 330 #endif
 331
 332         .pins[1]        = 3,
 333 };
 334
 335 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
 336         .ctrl_name      = "internal",
 337 };
 338 #endif
 339
 340 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
 341
 342 static int mmc_set_power(struct device *dev, int slot, int power_on,
 343                                 int vdd)
 344 {
 345         if (power_on)
 346                 fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3),
 347                                 OMAP1510_FPGA_POWER);
 348         else
 349                 fpga_write(fpga_read(OMAP1510_FPGA_POWER) & ~(1 << 3),
 350                                 OMAP1510_FPGA_POWER);
 351
 352         return 0;
 353 }
 354
 355 /*
 356  * Innovator could use the following functions tested:
 357  * - mmc_get_wp that uses OMAP_MPUIO(3)
 358  * - mmc_get_cover_state that uses FPGA F4 UIO43
 359  */
 360 static struct omap_mmc_platform_data mmc1_data = {
 361         .nr_slots                       = 1,
 362         .slots[0]       = {
 363                 .set_power              = mmc_set_power,
 364                 .wires                  = 4,
 365                 .name                   = "mmcblk",
 366         },
 367 };
 368
 369 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
 370
 371 void __init innovator_mmc_init(void)
 372 {
 373         mmc_data[0] = &mmc1_data;
 374         omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
 375 }
 376
 377 #else
 378 static inline void innovator_mmc_init(void)
 379 {
 380 }
 381 #endif
 382
 383 static struct omap_board_config_kernel innovator_config[] = {
 384         { OMAP_TAG_LCD,         NULL },
 385 };
 386
 387 static void __init innovator_init(void)
 388 {
 389 #ifdef CONFIG_ARCH_OMAP15XX
 390         if (cpu_is_omap1510()) {
 391                 unsigned char reg;
 392
 393                 /* mux pins for uarts */
 394                 omap_cfg_reg(UART1_TX);
 395                 omap_cfg_reg(UART1_RTS);
 396                 omap_cfg_reg(UART2_TX);
 397                 omap_cfg_reg(UART2_RTS);
 398                 omap_cfg_reg(UART3_TX);
 399                 omap_cfg_reg(UART3_RX);
 400
 401                 reg = fpga_read(OMAP1510_FPGA_POWER);
 402                 reg |= OMAP1510_FPGA_PCR_COM1_EN;
 403                 fpga_write(reg, OMAP1510_FPGA_POWER);
 404                 udelay(10);
 405
 406                 reg = fpga_read(OMAP1510_FPGA_POWER);
 407                 reg |= OMAP1510_FPGA_PCR_COM2_EN;
 408                 fpga_write(reg, OMAP1510_FPGA_POWER);
 409                 udelay(10);
 410
 411                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 412                 spi_register_board_info(innovator1510_boardinfo,
 413                                 ARRAY_SIZE(innovator1510_boardinfo));
 414         }
 415 #endif
 416 #ifdef CONFIG_ARCH_OMAP16XX
 417         if (!cpu_is_omap1510()) {
 418                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 419         }
 420 #endif
 421
 422 #ifdef CONFIG_ARCH_OMAP15XX
 423         if (cpu_is_omap1510()) {
 424                 omap_usb_init(&innovator1510_usb_config);
 425                 innovator_config[1].data = &innovator1510_lcd_config;
 426         }
 427 #endif
 428 #ifdef CONFIG_ARCH_OMAP16XX
 429         if (cpu_is_omap1610()) {
 430                 omap_usb_init(&h2_usb_config);
 431                 innovator_config[1].data = &innovator1610_lcd_config;
 432         }
 433 #endif
 434         omap_board_config = innovator_config;
 435         omap_board_config_size = ARRAY_SIZE(innovator_config);
 436         omap_serial_init();
 437         omap_register_i2c_bus(1, 100, NULL, 0);
 438         innovator_mmc_init();
 439 }
 440
 441 static void __init innovator_map_io(void)
 442 {
 443         omap1_map_common_io();
 444
 445 #ifdef CONFIG_ARCH_OMAP15XX
 446         if (cpu_is_omap1510()) {
 447                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 448                 udelay(10);     /* Delay needed for FPGA */
 449
 450                 /* Dump the Innovator FPGA rev early - useful info for support. */
 451                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
 452                        fpga_read(OMAP1510_FPGA_REV_HIGH),
 453                        fpga_read(OMAP1510_FPGA_REV_LOW),
 454                        fpga_read(OMAP1510_FPGA_BOARD_REV));
 455         }
 456 #endif
 457 }
 458
 459 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 460         /* Maintainer: MontaVista Software, Inc. */
 461         .phys_io        = 0xfff00000,
 462         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 463         .boot_params    = 0x10000100,
 464         .map_io         = innovator_map_io,
 465         .init_irq       = innovator_init_irq,
 466         .init_machine   = innovator_init,
 467         .timer          = &omap_timer,
 468 MACHINE_END