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
  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/nand.h>
  28 #include <linux/mtd/partitions.h>
  29 #include <linux/mtd/physmap.h>
  30 #include <linux/input.h>
  31 #include <linux/i2c/tps65010.h>
  32 #include <linux/smc91x.h>
  33
  34 #include <mach/hardware.h>
  35 #include <asm/gpio.h>
  36
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40
  41 #include <plat/mux.h>
  42 #include <plat/dma.h>
  43 #include <plat/tc.h>
  44 #include <plat/irda.h>
  45 #include <plat/usb.h>
  46 #include <plat/keypad.h>
  47 #include <plat/common.h>
  48 #include <plat/flash.h>
  49
  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 static void h2_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 183 {
 184         struct nand_chip *this = mtd->priv;
 185         unsigned long mask;
 186
 187         if (cmd == NAND_CMD_NONE)
 188                 return;
 189
 190         mask = (ctrl & NAND_CLE) ? 0x02 : 0;
 191         if (ctrl & NAND_ALE)
 192                 mask |= 0x04;
 193         writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
 194 }
 195
 196 #define H2_NAND_RB_GPIO_PIN     62
 197
 198 static int h2_nand_dev_ready(struct mtd_info *mtd)
 199 {
 200         return gpio_get_value(H2_NAND_RB_GPIO_PIN);
 201 }
 202
 203 static const char *h2_part_probes[] = { "cmdlinepart", NULL };
 204
 205 static struct platform_nand_data h2_nand_platdata = {
 206         .chip   = {
 207                 .nr_chips               = 1,
 208                 .chip_offset            = 0,
 209                 .nr_partitions          = ARRAY_SIZE(h2_nand_partitions),
 210                 .partitions             = h2_nand_partitions,
 211                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 212                 .part_probe_types       = h2_part_probes,
 213         },
 214         .ctrl   = {
 215                 .cmd_ctrl       = h2_nand_cmd_ctl,
 216                 .dev_ready      = h2_nand_dev_ready,
 217
 218         },
 219 };
 220
 221 static struct resource h2_nand_resource = {
 222         .flags          = IORESOURCE_MEM,
 223 };
 224
 225 static struct platform_device h2_nand_device = {
 226         .name           = "gen_nand",
 227         .id             = 0,
 228         .dev            = {
 229                 .platform_data  = &h2_nand_platdata,
 230         },
 231         .num_resources  = 1,
 232         .resource       = &h2_nand_resource,
 233 };
 234
 235 static struct smc91x_platdata h2_smc91x_info = {
 236         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 237         .leda   = RPC_LED_100_10,
 238         .ledb   = RPC_LED_TX_RX,
 239 };
 240
 241 static struct resource h2_smc91x_resources[] = {
 242         [0] = {
 243                 .start  = OMAP1610_ETHR_START,          /* Physical */
 244                 .end    = OMAP1610_ETHR_START + 0xf,
 245                 .flags  = IORESOURCE_MEM,
 246         },
 247         [1] = {
 248                 .start  = OMAP_GPIO_IRQ(0),
 249                 .end    = OMAP_GPIO_IRQ(0),
 250                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 251         },
 252 };
 253
 254 static struct platform_device h2_smc91x_device = {
 255         .name           = "smc91x",
 256         .id             = 0,
 257         .dev    = {
 258                 .platform_data  = &h2_smc91x_info,
 259         },
 260         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 261         .resource       = h2_smc91x_resources,
 262 };
 263
 264 static struct resource h2_kp_resources[] = {
 265         [0] = {
 266                 .start  = INT_KEYBOARD,
 267                 .end    = INT_KEYBOARD,
 268                 .flags  = IORESOURCE_IRQ,
 269         },
 270 };
 271
 272 static const struct matrix_keymap_data h2_keymap_data = {
 273         .keymap         = h2_keymap,
 274         .keymap_size    = ARRAY_SIZE(h2_keymap),
 275 };
 276
 277 static struct omap_kp_platform_data h2_kp_data = {
 278         .rows           = 8,
 279         .cols           = 8,
 280         .keymap_data    = &h2_keymap_data,
 281         .rep            = true,
 282         .delay          = 9,
 283         .dbounce        = true,
 284 };
 285
 286 static struct platform_device h2_kp_device = {
 287         .name           = "omap-keypad",
 288         .id             = -1,
 289         .dev            = {
 290                 .platform_data = &h2_kp_data,
 291         },
 292         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 293         .resource       = h2_kp_resources,
 294 };
 295
 296 #define H2_IRDA_FIRSEL_GPIO_PIN 17
 297
 298 static struct omap_irda_config h2_irda_data = {
 299         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 300         .rx_channel             = OMAP_DMA_UART3_RX,
 301         .tx_channel             = OMAP_DMA_UART3_TX,
 302         .dest_start             = UART3_THR,
 303         .src_start              = UART3_RHR,
 304         .tx_trigger             = 0,
 305         .rx_trigger             = 0,
 306 };
 307
 308 static struct resource h2_irda_resources[] = {
 309         [0] = {
 310                 .start  = INT_UART3,
 311                 .end    = INT_UART3,
 312                 .flags  = IORESOURCE_IRQ,
 313         },
 314 };
 315
 316 static u64 irda_dmamask = 0xffffffff;
 317
 318 static struct platform_device h2_irda_device = {
 319         .name           = "omapirda",
 320         .id             = 0,
 321         .dev            = {
 322                 .platform_data  = &h2_irda_data,
 323                 .dma_mask       = &irda_dmamask,
 324         },
 325         .num_resources  = ARRAY_SIZE(h2_irda_resources),
 326         .resource       = h2_irda_resources,
 327 };
 328
 329 static struct platform_device h2_lcd_device = {
 330         .name           = "lcd_h2",
 331         .id             = -1,
 332 };
 333
 334 static struct platform_device *h2_devices[] __initdata = {
 335         &h2_nor_device,
 336         &h2_nand_device,
 337         &h2_smc91x_device,
 338         &h2_irda_device,
 339         &h2_kp_device,
 340         &h2_lcd_device,
 341 };
 342
 343 static void __init h2_init_smc91x(void)
 344 {
 345         if (gpio_request(0, "SMC91x irq") < 0) {
 346                 printk("Error requesting gpio 0 for smc91x irq\n");
 347                 return;
 348         }
 349 }
 350
 351 static int tps_setup(struct i2c_client *client, void *context)
 352 {
 353         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
 354                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
 355
 356         return 0;
 357 }
 358
 359 static struct tps65010_board tps_board = {
 360         .base           = H2_TPS_GPIO_BASE,
 361         .outmask        = 0x0f,
 362         .setup          = tps_setup,
 363 };
 364
 365 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 366         {
 367                 I2C_BOARD_INFO("tps65010", 0x48),
 368                 .irq            = OMAP_GPIO_IRQ(58),
 369                 .platform_data  = &tps_board,
 370         }, {
 371                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 372                 .irq            = OMAP_GPIO_IRQ(2),
 373         },
 374 };
 375
 376 static void __init h2_init_irq(void)
 377 {
 378         omap1_init_common_hw();
 379         omap1_init_irq();
 380 }
 381
 382 static struct omap_usb_config h2_usb_config __initdata = {
 383         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 384         .otg            = 2,
 385
 386 #ifdef  CONFIG_USB_GADGET_OMAP
 387         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 388         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 389 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 390         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 391         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 392 #endif
 393
 394         .pins[1]        = 3,
 395 };
 396
 397 static struct omap_lcd_config h2_lcd_config __initdata = {
 398         .ctrl_name      = "internal",
 399 };
 400
 401 static struct omap_board_config_kernel h2_config[] __initdata = {
 402         { OMAP_TAG_LCD,         &h2_lcd_config },
 403 };
 404
 405 static void __init h2_init(void)
 406 {
 407         h2_init_smc91x();
 408
 409         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 410          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 411          * notice whether a NAND chip is enabled at probe time.
 412          *
 413          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 414          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 415          * detecting that in code here, to avoid probing every possible flash
 416          * configuration...
 417          */
 418         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 419         h2_nor_resource.end += SZ_32M - 1;
 420
 421         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 422         h2_nand_resource.end += SZ_4K - 1;
 423         if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 424                 BUG();
 425         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
 426
 427         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 428         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 429
 430         /* MMC:  card detect and WP */
 431         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
 432         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 433
 434         /* Mux pins for keypad */
 435         omap_cfg_reg(F18_1610_KBC0);
 436         omap_cfg_reg(D20_1610_KBC1);
 437         omap_cfg_reg(D19_1610_KBC2);
 438         omap_cfg_reg(E18_1610_KBC3);
 439         omap_cfg_reg(C21_1610_KBC4);
 440         omap_cfg_reg(G18_1610_KBR0);
 441         omap_cfg_reg(F19_1610_KBR1);
 442         omap_cfg_reg(H14_1610_KBR2);
 443         omap_cfg_reg(E20_1610_KBR3);
 444         omap_cfg_reg(E19_1610_KBR4);
 445         omap_cfg_reg(N19_1610_KBR5);
 446
 447         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 448         omap_board_config = h2_config;
 449         omap_board_config_size = ARRAY_SIZE(h2_config);
 450         omap_serial_init();
 451         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
 452                               ARRAY_SIZE(h2_i2c_board_info));
 453         omap1_usb_init(&h2_usb_config);
 454         h2_mmc_init();
 455 }
 456
 457 static void __init h2_map_io(void)
 458 {
 459         omap1_map_common_io();
 460 }
 461
 462 MACHINE_START(OMAP_H2, "TI-H2")
 463         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 464         .boot_params    = 0x10000100,
 465         .map_io         = h2_map_io,
 466         .reserve        = omap_reserve,
 467         .init_irq       = h2_init_irq,
 468         .init_machine   = h2_init,
 469         .timer          = &omap1_timer,
 470 MACHINE_END