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