arch/arm/mach-omap1/board-h2.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-h2.c
   3  *
   4  * Board specific inits for OMAP-1610 H2
   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  * H2 specific changes and cleanup
  15  * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
  16  *
  17  * This program is free software; you can redistribute it and/or modify
  18  * it under the terms of the GNU General Public License version 2 as
  19  * published by the Free Software Foundation.
  20  */
  21 #include <linux/gpio.h>
  22 #include <linux/kernel.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/delay.h>
  25 #include <linux/i2c.h>
  26 #include <linux/mtd/mtd.h>
  27 #include <linux/mtd/platnand.h>
  28 #include <linux/mtd/physmap.h>
  29 #include <linux/input.h>
  30 #include <linux/mfd/tps65010.h>
  31 #include <linux/smc91x.h>
  32 #include <linux/omapfb.h>
  33 #include <linux/platform_data/gpio-omap.h>
  34 #include <linux/leds.h>
  35
  36 #include <asm/mach-types.h>
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/map.h>
  39
  40 #include <mach/mux.h>
  41 #include <linux/omap-dma.h>
  42 #include <mach/tc.h>
  43 #include <linux/platform_data/keypad-omap.h>
  44 #include "flash.h"
  45
  46 #include <mach/hardware.h>
  47 #include <mach/usb.h>
  48
  49 #include "common.h"
  50 #include "board-h2.h"
  51
  52 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  53 #define OMAP1610_ETHR_START             0x04000300
  54
  55 static const unsigned int h2_keymap[] = {
  56         KEY(0, 0, KEY_LEFT),
  57         KEY(1, 0, KEY_RIGHT),
  58         KEY(2, 0, KEY_3),
  59         KEY(3, 0, KEY_F10),
  60         KEY(4, 0, KEY_F5),
  61         KEY(5, 0, KEY_9),
  62         KEY(0, 1, KEY_DOWN),
  63         KEY(1, 1, KEY_UP),
  64         KEY(2, 1, KEY_2),
  65         KEY(3, 1, KEY_F9),
  66         KEY(4, 1, KEY_F7),
  67         KEY(5, 1, KEY_0),
  68         KEY(0, 2, KEY_ENTER),
  69         KEY(1, 2, KEY_6),
  70         KEY(2, 2, KEY_1),
  71         KEY(3, 2, KEY_F2),
  72         KEY(4, 2, KEY_F6),
  73         KEY(5, 2, KEY_HOME),
  74         KEY(0, 3, KEY_8),
  75         KEY(1, 3, KEY_5),
  76         KEY(2, 3, KEY_F12),
  77         KEY(3, 3, KEY_F3),
  78         KEY(4, 3, KEY_F8),
  79         KEY(5, 3, KEY_END),
  80         KEY(0, 4, KEY_7),
  81         KEY(1, 4, KEY_4),
  82         KEY(2, 4, KEY_F11),
  83         KEY(3, 4, KEY_F1),
  84         KEY(4, 4, KEY_F4),
  85         KEY(5, 4, KEY_ESC),
  86         KEY(0, 5, KEY_F13),
  87         KEY(1, 5, KEY_F14),
  88         KEY(2, 5, KEY_F15),
  89         KEY(3, 5, KEY_F16),
  90         KEY(4, 5, KEY_SLEEP),
  91 };
  92
  93 static struct mtd_partition h2_nor_partitions[] = {
  94         /* bootloader (U-Boot, etc) in first sector */
  95         {
  96               .name             = "bootloader",
  97               .offset           = 0,
  98               .size             = SZ_128K,
  99               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 100         },
 101         /* bootloader params in the next sector */
 102         {
 103               .name             = "params",
 104               .offset           = MTDPART_OFS_APPEND,
 105               .size             = SZ_128K,
 106               .mask_flags       = 0,
 107         },
 108         /* kernel */
 109         {
 110               .name             = "kernel",
 111               .offset           = MTDPART_OFS_APPEND,
 112               .size             = SZ_2M,
 113               .mask_flags       = 0
 114         },
 115         /* file system */
 116         {
 117               .name             = "filesystem",
 118               .offset           = MTDPART_OFS_APPEND,
 119               .size             = MTDPART_SIZ_FULL,
 120               .mask_flags       = 0
 121         }
 122 };
 123
 124 static struct physmap_flash_data h2_nor_data = {
 125         .width          = 2,
 126         .set_vpp        = omap1_set_vpp,
 127         .parts          = h2_nor_partitions,
 128         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
 129 };
 130
 131 static struct resource h2_nor_resource = {
 132         /* This is on CS3, wherever it's mapped */
 133         .flags          = IORESOURCE_MEM,
 134 };
 135
 136 static struct platform_device h2_nor_device = {
 137         .name           = "physmap-flash",
 138         .id             = 0,
 139         .dev            = {
 140                 .platform_data  = &h2_nor_data,
 141         },
 142         .num_resources  = 1,
 143         .resource       = &h2_nor_resource,
 144 };
 145
 146 static struct mtd_partition h2_nand_partitions[] = {
 147 #if 0
 148         /* REVISIT:  enable these partitions if you make NAND BOOT
 149          * work on your H2 (rev C or newer); published versions of
 150          * x-load only support P2 and H3.
 151          */
 152         {
 153                 .name           = "xloader",
 154                 .offset         = 0,
 155                 .size           = 64 * 1024,
 156                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 157         },
 158         {
 159                 .name           = "bootloader",
 160                 .offset         = MTDPART_OFS_APPEND,
 161                 .size           = 256 * 1024,
 162                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 163         },
 164         {
 165                 .name           = "params",
 166                 .offset         = MTDPART_OFS_APPEND,
 167                 .size           = 192 * 1024,
 168         },
 169         {
 170                 .name           = "kernel",
 171                 .offset         = MTDPART_OFS_APPEND,
 172                 .size           = 2 * SZ_1M,
 173         },
 174 #endif
 175         {
 176                 .name           = "filesystem",
 177                 .size           = MTDPART_SIZ_FULL,
 178                 .offset         = MTDPART_OFS_APPEND,
 179         },
 180 };
 181
 182 #define H2_NAND_RB_GPIO_PIN     62
 183
 184 static int h2_nand_dev_ready(struct nand_chip *chip)
 185 {
 186         return gpio_get_value(H2_NAND_RB_GPIO_PIN);
 187 }
 188
 189 static struct platform_nand_data h2_nand_platdata = {
 190         .chip   = {
 191                 .nr_chips               = 1,
 192                 .chip_offset            = 0,
 193                 .nr_partitions          = ARRAY_SIZE(h2_nand_partitions),
 194                 .partitions             = h2_nand_partitions,
 195                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 196         },
 197         .ctrl   = {
 198                 .cmd_ctrl       = omap1_nand_cmd_ctl,
 199                 .dev_ready      = h2_nand_dev_ready,
 200         },
 201 };
 202
 203 static struct resource h2_nand_resource = {
 204         .flags          = IORESOURCE_MEM,
 205 };
 206
 207 static struct platform_device h2_nand_device = {
 208         .name           = "gen_nand",
 209         .id             = 0,
 210         .dev            = {
 211                 .platform_data  = &h2_nand_platdata,
 212         },
 213         .num_resources  = 1,
 214         .resource       = &h2_nand_resource,
 215 };
 216
 217 static struct smc91x_platdata h2_smc91x_info = {
 218         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 219         .leda   = RPC_LED_100_10,
 220         .ledb   = RPC_LED_TX_RX,
 221 };
 222
 223 static struct resource h2_smc91x_resources[] = {
 224         [0] = {
 225                 .start  = OMAP1610_ETHR_START,          /* Physical */
 226                 .end    = OMAP1610_ETHR_START + 0xf,
 227                 .flags  = IORESOURCE_MEM,
 228         },
 229         [1] = {
 230                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 231         },
 232 };
 233
 234 static struct platform_device h2_smc91x_device = {
 235         .name           = "smc91x",
 236         .id             = 0,
 237         .dev    = {
 238                 .platform_data  = &h2_smc91x_info,
 239         },
 240         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 241         .resource       = h2_smc91x_resources,
 242 };
 243
 244 static struct resource h2_kp_resources[] = {
 245         [0] = {
 246                 .start  = INT_KEYBOARD,
 247                 .end    = INT_KEYBOARD,
 248                 .flags  = IORESOURCE_IRQ,
 249         },
 250 };
 251
 252 static const struct matrix_keymap_data h2_keymap_data = {
 253         .keymap         = h2_keymap,
 254         .keymap_size    = ARRAY_SIZE(h2_keymap),
 255 };
 256
 257 static struct omap_kp_platform_data h2_kp_data = {
 258         .rows           = 8,
 259         .cols           = 8,
 260         .keymap_data    = &h2_keymap_data,
 261         .rep            = true,
 262         .delay          = 9,
 263         .dbounce        = true,
 264 };
 265
 266 static struct platform_device h2_kp_device = {
 267         .name           = "omap-keypad",
 268         .id             = -1,
 269         .dev            = {
 270                 .platform_data = &h2_kp_data,
 271         },
 272         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 273         .resource       = h2_kp_resources,
 274 };
 275
 276 static const struct gpio_led h2_gpio_led_pins[] = {
 277         {
 278                 .name           = "h2:red",
 279                 .default_trigger = "heartbeat",
 280                 .gpio           = 3,
 281         },
 282         {
 283                 .name           = "h2:green",
 284                 .default_trigger = "cpu0",
 285                 .gpio           = OMAP_MPUIO(4),
 286         },
 287 };
 288
 289 static struct gpio_led_platform_data h2_gpio_led_data = {
 290         .leds           = h2_gpio_led_pins,
 291         .num_leds       = ARRAY_SIZE(h2_gpio_led_pins),
 292 };
 293
 294 static struct platform_device h2_gpio_leds = {
 295         .name   = "leds-gpio",
 296         .id     = -1,
 297         .dev    = {
 298                 .platform_data = &h2_gpio_led_data,
 299         },
 300 };
 301
 302 static struct platform_device *h2_devices[] __initdata = {
 303         &h2_nor_device,
 304         &h2_nand_device,
 305         &h2_smc91x_device,
 306         &h2_kp_device,
 307         &h2_gpio_leds,
 308 };
 309
 310 static void __init h2_init_smc91x(void)
 311 {
 312         if (gpio_request(0, "SMC91x irq") < 0) {
 313                 printk("Error requesting gpio 0 for smc91x irq\n");
 314                 return;
 315         }
 316 }
 317
 318 static int tps_setup(struct i2c_client *client, void *context)
 319 {
 320         if (!IS_BUILTIN(CONFIG_TPS65010))
 321                 return -ENOSYS;
 322
 323         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
 324                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
 325
 326         return 0;
 327 }
 328
 329 static struct tps65010_board tps_board = {
 330         .base           = H2_TPS_GPIO_BASE,
 331         .outmask        = 0x0f,
 332         .setup          = tps_setup,
 333 };
 334
 335 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 336         {
 337                 I2C_BOARD_INFO("tps65010", 0x48),
 338                 .platform_data  = &tps_board,
 339         }, {
 340                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 341         },
 342 };
 343
 344 static struct omap_usb_config h2_usb_config __initdata = {
 345         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 346         .otg            = 2,
 347
 348 #if IS_ENABLED(CONFIG_USB_OMAP)
 349         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 350         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 351 #elif   IS_ENABLED(CONFIG_USB_OHCI_HCD)
 352         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 353         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 354 #endif
 355
 356         .pins[1]        = 3,
 357 };
 358
 359 static const struct omap_lcd_config h2_lcd_config __initconst = {
 360         .ctrl_name      = "internal",
 361 };
 362
 363 static void __init h2_init(void)
 364 {
 365         h2_init_smc91x();
 366
 367         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 368          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 369          * notice whether a NAND chip is enabled at probe time.
 370          *
 371          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 372          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 373          * detecting that in code here, to avoid probing every possible flash
 374          * configuration...
 375          */
 376         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 377         h2_nor_resource.end += SZ_32M - 1;
 378
 379         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 380         h2_nand_resource.end += SZ_4K - 1;
 381         BUG_ON(gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0);
 382         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
 383
 384         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 385         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 386
 387         /* MMC:  card detect and WP */
 388         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
 389         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 390
 391         /* Mux pins for keypad */
 392         omap_cfg_reg(F18_1610_KBC0);
 393         omap_cfg_reg(D20_1610_KBC1);
 394         omap_cfg_reg(D19_1610_KBC2);
 395         omap_cfg_reg(E18_1610_KBC3);
 396         omap_cfg_reg(C21_1610_KBC4);
 397         omap_cfg_reg(G18_1610_KBR0);
 398         omap_cfg_reg(F19_1610_KBR1);
 399         omap_cfg_reg(H14_1610_KBR2);
 400         omap_cfg_reg(E20_1610_KBR3);
 401         omap_cfg_reg(E19_1610_KBR4);
 402         omap_cfg_reg(N19_1610_KBR5);
 403
 404         /* GPIO based LEDs */
 405         omap_cfg_reg(P18_1610_GPIO3);
 406         omap_cfg_reg(MPUIO4);
 407
 408         h2_smc91x_resources[1].start = gpio_to_irq(0);
 409         h2_smc91x_resources[1].end = gpio_to_irq(0);
 410         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 411         omap_serial_init();
 412         h2_i2c_board_info[0].irq = gpio_to_irq(58);
 413         h2_i2c_board_info[1].irq = gpio_to_irq(2);
 414         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
 415                               ARRAY_SIZE(h2_i2c_board_info));
 416         omap1_usb_init(&h2_usb_config);
 417         h2_mmc_init();
 418
 419         omapfb_set_lcd_config(&h2_lcd_config);
 420 }
 421
 422 MACHINE_START(OMAP_H2, "TI-H2")
 423         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 424         .atag_offset    = 0x100,
 425         .map_io         = omap16xx_map_io,
 426         .init_early     = omap1_init_early,
 427         .init_irq       = omap1_init_irq,
 428         .handle_irq     = omap1_handle_irq,
 429         .init_machine   = h2_init,
 430         .init_late      = omap1_init_late,
 431         .init_time      = omap1_timer_init,
 432         .restart        = omap1_restart,
 433 MACHINE_END