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 "flash.h"
  36 #include <mach/tc.h>
  37 #include <linux/platform_data/keypad-omap.h>
  38
  39 #include <mach/hardware.h>
  40 #include <mach/usb.h>
  41
  42 #include "iomap.h"
  43 #include "common.h"
  44 #include "mmc.h"
  45
  46 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  47 #define INNOVATOR1610_ETHR_START        0x04000300
  48
  49 static const unsigned int innovator_keymap[] = {
  50         KEY(0, 0, KEY_F1),
  51         KEY(3, 0, KEY_DOWN),
  52         KEY(1, 1, KEY_F2),
  53         KEY(2, 1, KEY_RIGHT),
  54         KEY(0, 2, KEY_F3),
  55         KEY(1, 2, KEY_F4),
  56         KEY(2, 2, KEY_UP),
  57         KEY(2, 3, KEY_ENTER),
  58         KEY(3, 3, KEY_LEFT),
  59 };
  60
  61 static struct mtd_partition innovator_partitions[] = {
  62         /* bootloader (U-Boot, etc) in first sector */
  63         {
  64               .name             = "bootloader",
  65               .offset           = 0,
  66               .size             = SZ_128K,
  67               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  68         },
  69         /* bootloader params in the next sector */
  70         {
  71               .name             = "params",
  72               .offset           = MTDPART_OFS_APPEND,
  73               .size             = SZ_128K,
  74               .mask_flags       = 0,
  75         },
  76         /* kernel */
  77         {
  78               .name             = "kernel",
  79               .offset           = MTDPART_OFS_APPEND,
  80               .size             = SZ_2M,
  81               .mask_flags       = 0
  82         },
  83         /* rest of flash1 is a file system */
  84         {
  85               .name             = "rootfs",
  86               .offset           = MTDPART_OFS_APPEND,
  87               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
  88               .mask_flags       = 0
  89         },
  90         /* file system */
  91         {
  92               .name             = "filesystem",
  93               .offset           = MTDPART_OFS_APPEND,
  94               .size             = MTDPART_SIZ_FULL,
  95               .mask_flags       = 0
  96         }
  97 };
  98
  99 static struct physmap_flash_data innovator_flash_data = {
 100         .width          = 2,
 101         .set_vpp        = omap1_set_vpp,
 102         .parts          = innovator_partitions,
 103         .nr_parts       = ARRAY_SIZE(innovator_partitions),
 104 };
 105
 106 static struct resource innovator_flash_resource = {
 107         .start          = OMAP_CS0_PHYS,
 108         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 109         .flags          = IORESOURCE_MEM,
 110 };
 111
 112 static struct platform_device innovator_flash_device = {
 113         .name           = "physmap-flash",
 114         .id             = 0,
 115         .dev            = {
 116                 .platform_data  = &innovator_flash_data,
 117         },
 118         .num_resources  = 1,
 119         .resource       = &innovator_flash_resource,
 120 };
 121
 122 static struct resource innovator_kp_resources[] = {
 123         [0] = {
 124                 .start  = INT_KEYBOARD,
 125                 .end    = INT_KEYBOARD,
 126                 .flags  = IORESOURCE_IRQ,
 127         },
 128 };
 129
 130 static const struct matrix_keymap_data innovator_keymap_data = {
 131         .keymap         = innovator_keymap,
 132         .keymap_size    = ARRAY_SIZE(innovator_keymap),
 133 };
 134
 135 static struct omap_kp_platform_data innovator_kp_data = {
 136         .rows           = 8,
 137         .cols           = 8,
 138         .keymap_data    = &innovator_keymap_data,
 139         .delay          = 4,
 140 };
 141
 142 static struct platform_device innovator_kp_device = {
 143         .name           = "omap-keypad",
 144         .id             = -1,
 145         .dev            = {
 146                 .platform_data = &innovator_kp_data,
 147         },
 148         .num_resources  = ARRAY_SIZE(innovator_kp_resources),
 149         .resource       = innovator_kp_resources,
 150 };
 151
 152 static struct smc91x_platdata innovator_smc91x_info = {
 153         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 154         .leda   = RPC_LED_100_10,
 155         .ledb   = RPC_LED_TX_RX,
 156 };
 157
 158 #ifdef CONFIG_ARCH_OMAP15XX
 159
 160 #include <linux/spi/spi.h>
 161 #include <linux/spi/ads7846.h>
 162
 163
 164 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 165 static struct map_desc innovator1510_io_desc[] __initdata = {
 166         {
 167                 .virtual        = OMAP1510_FPGA_BASE,
 168                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
 169                 .length         = OMAP1510_FPGA_SIZE,
 170                 .type           = MT_DEVICE
 171         }
 172 };
 173
 174 static struct resource innovator1510_smc91x_resources[] = {
 175         [0] = {
 176                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
 177                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
 178                 .flags  = IORESOURCE_MEM,
 179         },
 180         [1] = {
 181                 .start  = OMAP1510_INT_ETHER,
 182                 .end    = OMAP1510_INT_ETHER,
 183                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 184         },
 185 };
 186
 187 static struct platform_device innovator1510_smc91x_device = {
 188         .name           = "smc91x",
 189         .id             = 0,
 190         .dev    = {
 191                 .platform_data  = &innovator_smc91x_info,
 192         },
 193         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
 194         .resource       = innovator1510_smc91x_resources,
 195 };
 196
 197 static struct platform_device innovator1510_lcd_device = {
 198         .name           = "lcd_inn1510",
 199         .id             = -1,
 200 };
 201
 202 static struct platform_device innovator1510_spi_device = {
 203         .name           = "spi_inn1510",
 204         .id             = -1,
 205 };
 206
 207 static struct platform_device *innovator1510_devices[] __initdata = {
 208         &innovator_flash_device,
 209         &innovator1510_smc91x_device,
 210         &innovator_kp_device,
 211         &innovator1510_lcd_device,
 212         &innovator1510_spi_device,
 213 };
 214
 215 static int innovator_get_pendown_state(void)
 216 {
 217         return !(__raw_readb(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
 218 }
 219
 220 static const struct ads7846_platform_data innovator1510_ts_info = {
 221         .model                  = 7846,
 222         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 223         .x_plate_ohms           = 419,
 224         .y_plate_ohms           = 486,
 225         .get_pendown_state      = innovator_get_pendown_state,
 226 };
 227
 228 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
 229         /* FPGA (bus "10") CS0 has an ads7846e */
 230         .modalias               = "ads7846",
 231         .platform_data          = &innovator1510_ts_info,
 232         .irq                    = OMAP1510_INT_FPGA_TS,
 233         .max_speed_hz           = 120000 /* max sample rate at 3V */
 234                                         * 26 /* command + data + overhead */,
 235         .bus_num                = 10,
 236         .chip_select            = 0,
 237 } };
 238
 239 #endif /* CONFIG_ARCH_OMAP15XX */
 240
 241 #ifdef CONFIG_ARCH_OMAP16XX
 242
 243 static struct resource innovator1610_smc91x_resources[] = {
 244         [0] = {
 245                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
 246                 .end    = INNOVATOR1610_ETHR_START + 0xf,
 247                 .flags  = IORESOURCE_MEM,
 248         },
 249         [1] = {
 250                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 251         },
 252 };
 253
 254 static struct platform_device innovator1610_smc91x_device = {
 255         .name           = "smc91x",
 256         .id             = 0,
 257         .dev    = {
 258                 .platform_data  = &innovator_smc91x_info,
 259         },
 260         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
 261         .resource       = innovator1610_smc91x_resources,
 262 };
 263
 264 static struct platform_device innovator1610_lcd_device = {
 265         .name           = "inn1610_lcd",
 266         .id             = -1,
 267 };
 268
 269 static struct platform_device *innovator1610_devices[] __initdata = {
 270         &innovator_flash_device,
 271         &innovator1610_smc91x_device,
 272         &innovator_kp_device,
 273         &innovator1610_lcd_device,
 274 };
 275
 276 #endif /* CONFIG_ARCH_OMAP16XX */
 277
 278 static void __init innovator_init_smc91x(void)
 279 {
 280         if (cpu_is_omap1510()) {
 281                 __raw_writeb(__raw_readb(OMAP1510_FPGA_RST) & ~1,
 282                            OMAP1510_FPGA_RST);
 283                 udelay(750);
 284         } else {
 285                 if (gpio_request(0, "SMC91x irq") < 0) {
 286                         printk("Error requesting gpio 0 for smc91x irq\n");
 287                         return;
 288                 }
 289         }
 290 }
 291
 292 #ifdef CONFIG_ARCH_OMAP15XX
 293 static struct omap_usb_config innovator1510_usb_config __initdata = {
 294         /* for bundled non-standard host and peripheral cables */
 295         .hmc_mode       = 4,
 296
 297         .register_host  = 1,
 298         .pins[1]        = 6,
 299         .pins[2]        = 6,            /* Conflicts with UART2 */
 300
 301         .register_dev   = 1,
 302         .pins[0]        = 2,
 303 };
 304
 305 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
 306         .ctrl_name      = "internal",
 307 };
 308 #endif
 309
 310 #ifdef CONFIG_ARCH_OMAP16XX
 311 static struct omap_usb_config h2_usb_config __initdata = {
 312         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 313         .otg            = 2,
 314
 315 #if IS_ENABLED(CONFIG_USB_OMAP)
 316         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 317         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 318 #elif   IS_ENABLED(CONFIG_USB_OHCI_HCD)
 319         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 320         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 321 #endif
 322
 323         .pins[1]        = 3,
 324 };
 325
 326 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
 327         .ctrl_name      = "internal",
 328 };
 329 #endif
 330
 331 #if IS_ENABLED(CONFIG_MMC_OMAP)
 332
 333 static int mmc_set_power(struct device *dev, int slot, int power_on,
 334                                 int vdd)
 335 {
 336         if (power_on)
 337                 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) | (1 << 3),
 338                                 OMAP1510_FPGA_POWER);
 339         else
 340                 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) & ~(1 << 3),
 341                                 OMAP1510_FPGA_POWER);
 342
 343         return 0;
 344 }
 345
 346 /*
 347  * Innovator could use the following functions tested:
 348  * - mmc_get_wp that uses OMAP_MPUIO(3)
 349  * - mmc_get_cover_state that uses FPGA F4 UIO43
 350  */
 351 static struct omap_mmc_platform_data mmc1_data = {
 352         .nr_slots                       = 1,
 353         .slots[0]       = {
 354                 .set_power              = mmc_set_power,
 355                 .wires                  = 4,
 356                 .name                   = "mmcblk",
 357         },
 358 };
 359
 360 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
 361
 362 static void __init innovator_mmc_init(void)
 363 {
 364         mmc_data[0] = &mmc1_data;
 365         omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
 366 }
 367
 368 #else
 369 static inline void innovator_mmc_init(void)
 370 {
 371 }
 372 #endif
 373
 374 static void __init innovator_init(void)
 375 {
 376         if (cpu_is_omap1510())
 377                 omap1510_fpga_init_irq();
 378         innovator_init_smc91x();
 379
 380 #ifdef CONFIG_ARCH_OMAP15XX
 381         if (cpu_is_omap1510()) {
 382                 unsigned char reg;
 383
 384                 /* mux pins for uarts */
 385                 omap_cfg_reg(UART1_TX);
 386                 omap_cfg_reg(UART1_RTS);
 387                 omap_cfg_reg(UART2_TX);
 388                 omap_cfg_reg(UART2_RTS);
 389                 omap_cfg_reg(UART3_TX);
 390                 omap_cfg_reg(UART3_RX);
 391
 392                 reg = __raw_readb(OMAP1510_FPGA_POWER);
 393                 reg |= OMAP1510_FPGA_PCR_COM1_EN;
 394                 __raw_writeb(reg, OMAP1510_FPGA_POWER);
 395                 udelay(10);
 396
 397                 reg = __raw_readb(OMAP1510_FPGA_POWER);
 398                 reg |= OMAP1510_FPGA_PCR_COM2_EN;
 399                 __raw_writeb(reg, OMAP1510_FPGA_POWER);
 400                 udelay(10);
 401
 402                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
 403                 spi_register_board_info(innovator1510_boardinfo,
 404                                 ARRAY_SIZE(innovator1510_boardinfo));
 405         }
 406 #endif
 407 #ifdef CONFIG_ARCH_OMAP16XX
 408         if (!cpu_is_omap1510()) {
 409                 innovator1610_smc91x_resources[1].start = gpio_to_irq(0);
 410                 innovator1610_smc91x_resources[1].end = gpio_to_irq(0);
 411                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
 412         }
 413 #endif
 414
 415 #ifdef CONFIG_ARCH_OMAP15XX
 416         if (cpu_is_omap1510()) {
 417                 omap1_usb_init(&innovator1510_usb_config);
 418                 omapfb_set_lcd_config(&innovator1510_lcd_config);
 419         }
 420 #endif
 421 #ifdef CONFIG_ARCH_OMAP16XX
 422         if (cpu_is_omap1610()) {
 423                 omap1_usb_init(&h2_usb_config);
 424                 omapfb_set_lcd_config(&innovator1610_lcd_config);
 425         }
 426 #endif
 427         omap_serial_init();
 428         omap_register_i2c_bus(1, 100, NULL, 0);
 429         innovator_mmc_init();
 430 }
 431
 432 /*
 433  * REVISIT: Assume 15xx for now, we don't want to do revision check
 434  * until later on. The right way to fix this is to set up a different
 435  * machine_id for 16xx Innovator, or use device tree.
 436  */
 437 static void __init innovator_map_io(void)
 438 {
 439 #ifdef CONFIG_ARCH_OMAP15XX
 440         omap15xx_map_io();
 441
 442         iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
 443         udelay(10);     /* Delay needed for FPGA */
 444
 445         /* Dump the Innovator FPGA rev early - useful info for support. */
 446         pr_debug("Innovator FPGA Rev %d.%d Board Rev %d\n",
 447                         __raw_readb(OMAP1510_FPGA_REV_HIGH),
 448                         __raw_readb(OMAP1510_FPGA_REV_LOW),
 449                         __raw_readb(OMAP1510_FPGA_BOARD_REV));
 450 #endif
 451 }
 452
 453 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 454         /* Maintainer: MontaVista Software, Inc. */
 455         .atag_offset    = 0x100,
 456         .map_io         = innovator_map_io,
 457         .init_early     = omap1_init_early,
 458         .init_irq       = omap1_init_irq,
 459         .handle_irq     = omap1_handle_irq,
 460         .init_machine   = innovator_init,
 461         .init_late      = omap1_init_late,
 462         .init_time      = omap1_timer_init,
 463         .restart        = omap1_restart,
 464 MACHINE_END