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 #include <linux/gpio.h>
  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/mtd/physmap.h>
  26 #include <linux/input.h>
  27 #include <linux/smc91x.h>
  28 #include <linux/omapfb.h>
  29
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/map.h>
  33
  34 #include <mach/mux.h>
  35 #include <mach/flash.h>
  36 #include <../plat-omap/fpga.h>
  37 #include <plat/tc.h>
  38 #include <linux/platform_data/keypad-omap.h>
  39
  40 #include <mach/hardware.h>
  41 #include <mach/usb.h>
  42
  43 #include "iomap.h"
  44 #include "common.h"
  45 #include "mmc.h"
  46
  47 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  48 #define INNOVATOR1610_ETHR_START        0x04000300
  49
  50 static const unsigned int innovator_keymap[] = {
  51         KEY(0, 0, KEY_F1),
  52         KEY(3, 0, KEY_DOWN),
  53         KEY(1, 1, KEY_F2),
  54         KEY(2, 1, KEY_RIGHT),
  55         KEY(0, 2, KEY_F3),
  56         KEY(1, 2, KEY_F4),
  57         KEY(2, 2, KEY_UP),
  58         KEY(2, 3, KEY_ENTER),
  59         KEY(3, 3, KEY_LEFT),
  60 };
  61
  62 static struct mtd_partition innovator_partitions[] = {
  63         /* bootloader (U-Boot, etc) in first sector */
  64         {
  65               .name             = "bootloader",
  66               .offset           = 0,
  67               .size             = SZ_128K,
  68               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  69         },
  70         /* bootloader params in the next sector */
  71         {
  72               .name             = "params",
  73               .offset           = MTDPART_OFS_APPEND,
  74               .size             = SZ_128K,
  75               .mask_flags       = 0,
  76         },
  77         /* kernel */
  78         {
  79               .name             = "kernel",
  80               .offset           = MTDPART_OFS_APPEND,
  81               .size             = SZ_2M,
  82               .mask_flags       = 0
  83         },
  84         /* rest of flash1 is a file system */
  85         {
  86               .name             = "rootfs",
  87               .offset           = MTDPART_OFS_APPEND,
  88               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  89               .mask_flags       = 0
  90         },
  91         /* file system */
  92         {
  93               .name             = "filesystem",
  94               .offset           = MTDPART_OFS_APPEND,
  95               .size             = MTDPART_SIZ_FULL,
  96               .mask_flags       = 0
  97         }
  98 };
  99
 100 static struct physmap_flash_data innovator_flash_data = {
 101         .width          = 2,
 102         .set_vpp        = omap1_set_vpp,
 103         .parts          = innovator_partitions,
 104         .nr_parts       = ARRAY_SIZE(innovator_partitions),
 105 };
 106
 107 static struct resource innovator_flash_resource = {
 108         .start          = OMAP_CS0_PHYS,
 109         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 110         .flags          = IORESOURCE_MEM,
 111 };
 112
 113 static struct platform_device innovator_flash_device = {
 114         .name           = "physmap-flash",
 115         .id             = 0,
 116         .dev            = {
 117                 .platform_data  = &innovator_flash_data,
 118         },
 119         .num_resources  = 1,
 120         .resource       = &innovator_flash_resource,
 121 };
 122
 123 static struct resource innovator_kp_resources[] = {
 124         [0] = {
 125                 .start  = INT_KEYBOARD,
 126                 .end    = INT_KEYBOARD,
 127                 .flags  = IORESOURCE_IRQ,
 128         },
 129 };
 130
 131 static const struct matrix_keymap_data innovator_keymap_data = {
 132         .keymap         = innovator_keymap,
 133         .keymap_size    = ARRAY_SIZE(innovator_keymap),
 134 };
 135
 136 static struct omap_kp_platform_data innovator_kp_data = {
 137         .rows           = 8,
 138         .cols           = 8,
 139         .keymap_data    = &innovator_keymap_data,
 140         .delay          = 4,
 141 };
 142
 143 static struct platform_device innovator_kp_device = {
 144         .name           = "omap-keypad",
 145         .id             = -1,
 146         .dev            = {
 147                 .platform_data = &innovator_kp_data,
 148         },
 149         .num_resources  = ARRAY_SIZE(innovator_kp_resources),
 150         .resource       = innovator_kp_resources,
 151 };
 152
 153 static struct smc91x_platdata innovator_smc91x_info = {
 154         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 155         .leda   = RPC_LED_100_10,
 156         .ledb   = RPC_LED_TX_RX,
 157 };
 158
 159 #ifdef CONFIG_ARCH_OMAP15XX
 160
 161 #include <linux/spi/spi.h>
 162 #include <linux/spi/ads7846.h>
 163
 164
 165 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 166 static struct map_desc innovator1510_io_desc[] __initdata = {
 167         {
 168                 .virtual        = OMAP1510_FPGA_BASE,
 169                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 170                 .length         = OMAP1510_FPGA_SIZE,
 171                 .type           = MT_DEVICE
 172         }
 173 };
 174
 175 static struct resource innovator1510_smc91x_resources[] = {
 176         [0] = {
 177                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 178                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 179                 .flags  = IORESOURCE_MEM,
 180         },
 181         [1] = {
 182                 .start  = OMAP1510_INT_ETHER,
 183                 .end    = OMAP1510_INT_ETHER,
 184                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 185         },
 186 };
 187
 188 static struct platform_device innovator1510_smc91x_device = {
 189         .name           = "smc91x",
 190         .id             = 0,
 191         .dev    = {
 192                 .platform_data  = &innovator_smc91x_info,
 193         },
 194         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 195         .resource       = innovator1510_smc91x_resources,
 196 };
 197
 198 static struct platform_device innovator1510_lcd_device = {
 199         .name           = "lcd_inn1510",
 200         .id             = -1,
 201 };
 202
 203 static struct platform_device innovator1510_spi_device = {
 204         .name           = "spi_inn1510",
 205         .id             = -1,
 206 };
 207
 208 static struct platform_device *innovator1510_devices[] __initdata = {
 209         &innovator_flash_device,
 210         &innovator1510_smc91x_device,
 211         &innovator_kp_device,
 212         &innovator1510_lcd_device,
 213         &innovator1510_spi_device,
 214 };
 215
 216 static int innovator_get_pendown_state(void)
 217 {
 218         return !(__raw_readb(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
 219 }
 220
 221 static const struct ads7846_platform_data innovator1510_ts_info = {
 222         .model                  = 7846,
 223         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 224         .x_plate_ohms           = 419,
 225         .y_plate_ohms           = 486,
 226         .get_pendown_state      = innovator_get_pendown_state,
 227 };
 228
 229 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
 230         /* FPGA (bus "10") CS0 has an ads7846e */
 231         .modalias               = "ads7846",
 232         .platform_data          = &innovator1510_ts_info,
 233         .irq                    = OMAP1510_INT_FPGA_TS,
 234         .max_speed_hz           = 120000 /* max sample rate at 3V */
 235                                         * 26 /* command + data + overhead */,
 236         .bus_num                = 10,
 237         .chip_select            = 0,
 238 } };
 239
 240 #endif /* CONFIG_ARCH_OMAP15XX */
 241
 242 #ifdef CONFIG_ARCH_OMAP16XX
 243
 244 static struct resource innovator1610_smc91x_resources[] = {
 245         [0] = {
 246                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 247                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 248                 .flags  = IORESOURCE_MEM,
 249         },
 250         [1] = {
 251                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 252         },
 253 };
 254
 255 static struct platform_device innovator1610_smc91x_device = {
 256         .name           = "smc91x",
 257         .id             = 0,
 258         .dev    = {
 259                 .platform_data  = &innovator_smc91x_info,
 260         },
 261         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 262         .resource       = innovator1610_smc91x_resources,
 263 };
 264
 265 static struct platform_device innovator1610_lcd_device = {
 266         .name           = "inn1610_lcd",
 267         .id             = -1,
 268 };
 269
 270 static struct platform_device *innovator1610_devices[] __initdata = {
 271         &innovator_flash_device,
 272         &innovator1610_smc91x_device,
 273         &innovator_kp_device,
 274         &innovator1610_lcd_device,
 275 };
 276
 277 #endif /* CONFIG_ARCH_OMAP16XX */
 278
 279 static void __init innovator_init_smc91x(void)
 280 {
 281         if (cpu_is_omap1510()) {
 282                 __raw_writeb(__raw_readb(OMAP1510_FPGA_RST) & ~1,
 283                            OMAP1510_FPGA_RST);
 284                 udelay(750);
 285         } else {
 286                 if (gpio_request(0, "SMC91x irq") < 0) {
 287                         printk("Error requesting gpio 0 for smc91x irq\n");
 288                         return;
 289                 }
 290         }
 291 }
 292
 293 #ifdef CONFIG_ARCH_OMAP15XX
 294 static struct omap_usb_config innovator1510_usb_config __initdata = {
 295         /* for bundled non-standard host and peripheral cables */
 296         .hmc_mode       = 4,
 297
 298         .register_host  = 1,
 299         .pins[1]        = 6,
 300         .pins[2]        = 6,            /* Conflicts with UART2 */
 301
 302         .register_dev   = 1,
 303         .pins[0]        = 2,
 304 };
 305
 306 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
 307         .ctrl_name      = "internal",
 308 };
 309 #endif
 310
 311 #ifdef CONFIG_ARCH_OMAP16XX
 312 static struct omap_usb_config h2_usb_config __initdata = {
 313         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 314         .otg            = 2,
 315
 316 #ifdef  CONFIG_USB_GADGET_OMAP
 317         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 318         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 319 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 320         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 321         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 322 #endif
 323
 324         .pins[1]        = 3,
 325 };
 326
 327 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
 328         .ctrl_name      = "internal",
 329 };
 330 #endif
 331
 332 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
 333
 334 static int mmc_set_power(struct device *dev, int slot, int power_on,
 335                                 int vdd)
 336 {
 337         if (power_on)
 338                 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) | (1 << 3),
 339                                 OMAP1510_FPGA_POWER);
 340         else
 341                 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) & ~(1 << 3),
 342                                 OMAP1510_FPGA_POWER);
 343
 344         return 0;
 345 }
 346
 347 /*
 348  * Innovator could use the following functions tested:
 349  * - mmc_get_wp that uses OMAP_MPUIO(3)
 350  * - mmc_get_cover_state that uses FPGA F4 UIO43
 351  */
 352 static struct omap_mmc_platform_data mmc1_data = {
 353         .nr_slots                       = 1,
 354         .slots[0]       = {
 355                 .set_power              = mmc_set_power,
 356                 .wires                  = 4,
 357                 .name                   = "mmcblk",
 358         },
 359 };
 360
 361 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
 362
 363 static void __init innovator_mmc_init(void)
 364 {
 365         mmc_data[0] = &mmc1_data;
 366         omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
 367 }
 368
 369 #else
 370 static inline void innovator_mmc_init(void)
 371 {
 372 }
 373 #endif
 374
 375 static void __init innovator_init(void)
 376 {
 377         if (cpu_is_omap1510())
 378                 omap1510_fpga_init_irq();
 379         innovator_init_smc91x();
 380
 381 #ifdef CONFIG_ARCH_OMAP15XX
 382         if (cpu_is_omap1510()) {
 383                 unsigned char reg;
 384
 385                 /* mux pins for uarts */
 386                 omap_cfg_reg(UART1_TX);
 387                 omap_cfg_reg(UART1_RTS);
 388                 omap_cfg_reg(UART2_TX);
 389                 omap_cfg_reg(UART2_RTS);
 390                 omap_cfg_reg(UART3_TX);
 391                 omap_cfg_reg(UART3_RX);
 392
 393                 reg = __raw_readb(OMAP1510_FPGA_POWER);
 394                 reg |= OMAP1510_FPGA_PCR_COM1_EN;
 395                 __raw_writeb(reg, OMAP1510_FPGA_POWER);
 396                 udelay(10);
 397
 398                 reg = __raw_readb(OMAP1510_FPGA_POWER);
 399                 reg |= OMAP1510_FPGA_PCR_COM2_EN;
 400                 __raw_writeb(reg, OMAP1510_FPGA_POWER);
 401                 udelay(10);
 402
 403                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 404                 spi_register_board_info(innovator1510_boardinfo,
 405                                 ARRAY_SIZE(innovator1510_boardinfo));
 406         }
 407 #endif
 408 #ifdef CONFIG_ARCH_OMAP16XX
 409         if (!cpu_is_omap1510()) {
 410                 innovator1610_smc91x_resources[1].start = gpio_to_irq(0);
 411                 innovator1610_smc91x_resources[1].end = gpio_to_irq(0);
 412                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 413         }
 414 #endif
 415
 416 #ifdef CONFIG_ARCH_OMAP15XX
 417         if (cpu_is_omap1510()) {
 418                 omap1_usb_init(&innovator1510_usb_config);
 419                 omapfb_set_lcd_config(&innovator1510_lcd_config);
 420         }
 421 #endif
 422 #ifdef CONFIG_ARCH_OMAP16XX
 423         if (cpu_is_omap1610()) {
 424                 omap1_usb_init(&h2_usb_config);
 425                 omapfb_set_lcd_config(&innovator1610_lcd_config);
 426         }
 427 #endif
 428         omap_serial_init();
 429         omap_register_i2c_bus(1, 100, NULL, 0);
 430         innovator_mmc_init();
 431 }
 432
 433 /*
 434  * REVISIT: Assume 15xx for now, we don't want to do revision check
 435  * until later on. The right way to fix this is to set up a different
 436  * machine_id for 16xx Innovator, or use device tree.
 437  */
 438 static void __init innovator_map_io(void)
 439 {
 440 #ifdef CONFIG_ARCH_OMAP15XX
 441         omap15xx_map_io();
 442
 443         iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 444         udelay(10);     /* Delay needed for FPGA */
 445
 446         /* Dump the Innovator FPGA rev early - useful info for support. */
 447         pr_debug("Innovator FPGA Rev %d.%d Board Rev %d\n",
 448                         __raw_readb(OMAP1510_FPGA_REV_HIGH),
 449                         __raw_readb(OMAP1510_FPGA_REV_LOW),
 450                         __raw_readb(OMAP1510_FPGA_BOARD_REV));
 451 #endif
 452 }
 453
 454 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 455         /* Maintainer: MontaVista Software, Inc. */
 456         .atag_offset    = 0x100,
 457         .map_io         = innovator_map_io,
 458         .init_early     = omap1_init_early,
 459         .reserve        = omap_reserve,
 460         .init_irq       = omap1_init_irq,
 461         .init_machine   = innovator_init,
 462         .init_late      = omap1_init_late,
 463         .timer          = &omap1_timer,
 464         .restart        = omap1_restart,
 465 MACHINE_END