release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-pxa/littleton.c

   1 /*
   2  *  linux/arch/arm/mach-pxa/littleton.c
   3  *
   4  *  Support for the Marvell Littleton Development Platform.
   5  *
   6  *  Author:     Jason Chagas (largely modified code)
   7  *  Created:    Nov 20, 2006
   8  *  Copyright:  (C) Copyright 2006 Marvell International Ltd.
   9  *
  10  *  2007-11-22  modified to align with latest kernel
  11  *              eric miao <eric.miao@marvell.com>
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License version 2 as
  15  *  publishhed by the Free Software Foundation.
  16  */
  17
  18 #include <linux/init.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/delay.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/clk.h>
  23 #include <linux/gpio.h>
  24 #include <linux/spi/spi.h>
  25 #include <linux/smc91x.h>
  26 #include <linux/i2c.h>
  27 #include <linux/leds.h>
  28 #include <linux/mfd/da903x.h>
  29 #include <linux/i2c/max732x.h>
  30
  31 #include <asm/types.h>
  32 #include <asm/setup.h>
  33 #include <asm/memory.h>
  34 #include <asm/mach-types.h>
  35 #include <mach/hardware.h>
  36 #include <asm/irq.h>
  37
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40 #include <asm/mach/irq.h>
  41
  42 #include <mach/pxa300.h>
  43 #include <mach/pxafb.h>
  44 #include <mach/mmc.h>
  45 #include <mach/pxa2xx_spi.h>
  46 #include <mach/pxa27x_keypad.h>
  47 #include <mach/littleton.h>
  48 #include <plat/i2c.h>
  49 #include <plat/pxa3xx_nand.h>
  50
  51 #include "generic.h"
  52
  53 #define GPIO_MMC1_CARD_DETECT   mfp_to_gpio(MFP_PIN_GPIO15)
  54
  55 /* Littleton MFP configurations */
  56 static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
  57         /* LCD */
  58         GPIO54_LCD_LDD_0,
  59         GPIO55_LCD_LDD_1,
  60         GPIO56_LCD_LDD_2,
  61         GPIO57_LCD_LDD_3,
  62         GPIO58_LCD_LDD_4,
  63         GPIO59_LCD_LDD_5,
  64         GPIO60_LCD_LDD_6,
  65         GPIO61_LCD_LDD_7,
  66         GPIO62_LCD_LDD_8,
  67         GPIO63_LCD_LDD_9,
  68         GPIO64_LCD_LDD_10,
  69         GPIO65_LCD_LDD_11,
  70         GPIO66_LCD_LDD_12,
  71         GPIO67_LCD_LDD_13,
  72         GPIO68_LCD_LDD_14,
  73         GPIO69_LCD_LDD_15,
  74         GPIO70_LCD_LDD_16,
  75         GPIO71_LCD_LDD_17,
  76         GPIO72_LCD_FCLK,
  77         GPIO73_LCD_LCLK,
  78         GPIO74_LCD_PCLK,
  79         GPIO75_LCD_BIAS,
  80
  81         /* SSP2 */
  82         GPIO25_SSP2_SCLK,
  83         GPIO27_SSP2_TXD,
  84         GPIO17_GPIO,    /* SFRM as chip-select */
  85
  86         /* Debug Ethernet */
  87         GPIO90_GPIO,
  88
  89         /* Keypad */
  90         GPIO107_KP_DKIN_0,
  91         GPIO108_KP_DKIN_1,
  92         GPIO115_KP_MKIN_0,
  93         GPIO116_KP_MKIN_1,
  94         GPIO117_KP_MKIN_2,
  95         GPIO118_KP_MKIN_3,
  96         GPIO119_KP_MKIN_4,
  97         GPIO120_KP_MKIN_5,
  98         GPIO121_KP_MKOUT_0,
  99         GPIO122_KP_MKOUT_1,
 100         GPIO123_KP_MKOUT_2,
 101         GPIO124_KP_MKOUT_3,
 102         GPIO125_KP_MKOUT_4,
 103
 104         /* MMC1 */
 105         GPIO3_MMC1_DAT0,
 106         GPIO4_MMC1_DAT1,
 107         GPIO5_MMC1_DAT2,
 108         GPIO6_MMC1_DAT3,
 109         GPIO7_MMC1_CLK,
 110         GPIO8_MMC1_CMD,
 111         GPIO15_GPIO, /* card detect */
 112
 113         /* UART3 */
 114         GPIO107_UART3_CTS,
 115         GPIO108_UART3_RTS,
 116         GPIO109_UART3_TXD,
 117         GPIO110_UART3_RXD,
 118 };
 119
 120 static struct resource smc91x_resources[] = {
 121         [0] = {
 122                 .start  = (LITTLETON_ETH_PHYS + 0x300),
 123                 .end    = (LITTLETON_ETH_PHYS + 0xfffff),
 124                 .flags  = IORESOURCE_MEM,
 125         },
 126         [1] = {
 127                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
 128                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
 129                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 130         }
 131 };
 132
 133 static struct smc91x_platdata littleton_smc91x_info = {
 134         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
 135                   SMC91X_NOWAIT | SMC91X_USE_DMA,
 136 };
 137
 138 static struct platform_device smc91x_device = {
 139         .name           = "smc91x",
 140         .id             = 0,
 141         .num_resources  = ARRAY_SIZE(smc91x_resources),
 142         .resource       = smc91x_resources,
 143         .dev            = {
 144                 .platform_data = &littleton_smc91x_info,
 145         },
 146 };
 147
 148 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 149 static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
 150         [0] = {
 151                 /* VGA */
 152                 .pixclock       = 38250,
 153                 .xres           = 480,
 154                 .yres           = 640,
 155                 .bpp            = 16,
 156                 .hsync_len      = 8,
 157                 .left_margin    = 8,
 158                 .right_margin   = 24,
 159                 .vsync_len      = 2,
 160                 .upper_margin   = 2,
 161                 .lower_margin   = 4,
 162                 .sync           = 0,
 163         },
 164         [1] = {
 165                 /* QVGA */
 166                 .pixclock       = 153000,
 167                 .xres           = 240,
 168                 .yres           = 320,
 169                 .bpp            = 16,
 170                 .hsync_len      = 8,
 171                 .left_margin    = 8,
 172                 .right_margin   = 88,
 173                 .vsync_len      = 2,
 174                 .upper_margin   = 2,
 175                 .lower_margin   = 2,
 176                 .sync           = 0,
 177         },
 178 };
 179
 180 static struct pxafb_mach_info littleton_lcd_info = {
 181         .modes                  = tpo_tdo24mtea1_modes,
 182         .num_modes              = 2,
 183         .lcd_conn               = LCD_COLOR_TFT_16BPP,
 184 };
 185
 186 static void littleton_init_lcd(void)
 187 {
 188         set_pxa_fb_info(&littleton_lcd_info);
 189 }
 190 #else
 191 static inline void littleton_init_lcd(void) {};
 192 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 193
 194 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 195 static struct pxa2xx_spi_master littleton_spi_info = {
 196         .num_chipselect         = 1,
 197 };
 198
 199 static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
 200         .rx_threshold   = 1,
 201         .tx_threshold   = 1,
 202         .gpio_cs        = LITTLETON_GPIO_LCD_CS,
 203 };
 204
 205 static struct spi_board_info littleton_spi_devices[] __initdata = {
 206         {
 207                 .modalias       = "tdo24m",
 208                 .max_speed_hz   = 1000000,
 209                 .bus_num        = 2,
 210                 .chip_select    = 0,
 211                 .controller_data= &littleton_tdo24m_chip,
 212         },
 213 };
 214
 215 static void __init littleton_init_spi(void)
 216 {
 217         pxa2xx_set_spi_info(2, &littleton_spi_info);
 218         spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
 219 }
 220 #else
 221 static inline void littleton_init_spi(void) {}
 222 #endif
 223
 224 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 225 static unsigned int littleton_matrix_key_map[] = {
 226         /* KEY(row, col, key_code) */
 227         KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
 228         KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
 229         KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
 230
 231         KEY(0, 3, KEY_KPASTERISK),      /* * */
 232         KEY(2, 3, KEY_KPDOT),           /* # */
 233
 234         KEY(5, 4, KEY_ENTER),
 235
 236         KEY(5, 0, KEY_UP),
 237         KEY(5, 1, KEY_DOWN),
 238         KEY(5, 2, KEY_LEFT),
 239         KEY(5, 3, KEY_RIGHT),
 240         KEY(3, 2, KEY_HOME),
 241         KEY(4, 1, KEY_END),
 242         KEY(3, 3, KEY_BACK),
 243
 244         KEY(4, 0, KEY_SEND),
 245         KEY(4, 2, KEY_VOLUMEUP),
 246         KEY(4, 3, KEY_VOLUMEDOWN),
 247
 248         KEY(3, 0, KEY_F22),     /* soft1 */
 249         KEY(3, 1, KEY_F23),     /* soft2 */
 250 };
 251
 252 static struct pxa27x_keypad_platform_data littleton_keypad_info = {
 253         .matrix_key_rows        = 6,
 254         .matrix_key_cols        = 5,
 255         .matrix_key_map         = littleton_matrix_key_map,
 256         .matrix_key_map_size    = ARRAY_SIZE(littleton_matrix_key_map),
 257
 258         .enable_rotary0         = 1,
 259         .rotary0_up_key         = KEY_UP,
 260         .rotary0_down_key       = KEY_DOWN,
 261
 262         .debounce_interval      = 30,
 263 };
 264 static void __init littleton_init_keypad(void)
 265 {
 266         pxa_set_keypad_info(&littleton_keypad_info);
 267 }
 268 #else
 269 static inline void littleton_init_keypad(void) {}
 270 #endif
 271
 272 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 273 static struct pxamci_platform_data littleton_mci_platform_data = {
 274         .detect_delay_ms        = 200,
 275         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 276         .gpio_card_detect       = GPIO_MMC1_CARD_DETECT,
 277         .gpio_card_ro           = -1,
 278         .gpio_power             = -1,
 279 };
 280
 281 static void __init littleton_init_mmc(void)
 282 {
 283         pxa_set_mci_info(&littleton_mci_platform_data);
 284 }
 285 #else
 286 static inline void littleton_init_mmc(void) {}
 287 #endif
 288
 289 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 290 static struct mtd_partition littleton_nand_partitions[] = {
 291         [0] = {
 292                 .name        = "Bootloader",
 293                 .offset      = 0,
 294                 .size        = 0x060000,
 295                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 296         },
 297         [1] = {
 298                 .name        = "Kernel",
 299                 .offset      = 0x060000,
 300                 .size        = 0x200000,
 301                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 302         },
 303         [2] = {
 304                 .name        = "Filesystem",
 305                 .offset      = 0x0260000,
 306                 .size        = 0x3000000,     /* 48M - rootfs */
 307         },
 308         [3] = {
 309                 .name        = "MassStorage",
 310                 .offset      = 0x3260000,
 311                 .size        = 0x3d40000,
 312         },
 313         [4] = {
 314                 .name        = "BBT",
 315                 .offset      = 0x6FA0000,
 316                 .size        = 0x80000,
 317                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
 318         },
 319         /* NOTE: we reserve some blocks at the end of the NAND flash for
 320          * bad block management, and the max number of relocation blocks
 321          * differs on different platforms. Please take care with it when
 322          * defining the partition table.
 323          */
 324 };
 325
 326 static struct pxa3xx_nand_platform_data littleton_nand_info = {
 327         .enable_arbiter = 1,
 328         .parts          = littleton_nand_partitions,
 329         .nr_parts       = ARRAY_SIZE(littleton_nand_partitions),
 330 };
 331
 332 static void __init littleton_init_nand(void)
 333 {
 334         pxa3xx_set_nand_info(&littleton_nand_info);
 335 }
 336 #else
 337 static inline void littleton_init_nand(void) {}
 338 #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
 339
 340 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 341 static struct led_info littleton_da9034_leds[] = {
 342         [0] = {
 343                 .name   = "littleton:keypad1",
 344                 .flags  = DA9034_LED_RAMP,
 345         },
 346         [1] = {
 347                 .name   = "littleton:keypad2",
 348                 .flags  = DA9034_LED_RAMP,
 349         },
 350         [2] = {
 351                 .name   = "littleton:vibra",
 352                 .flags  = 0,
 353         },
 354 };
 355
 356 static struct da9034_touch_pdata littleton_da9034_touch = {
 357         .x_inverted     = 1,
 358         .interval_ms    = 20,
 359 };
 360
 361 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
 362         {
 363                 .name           = "da903x-led",
 364                 .id             = DA9034_ID_LED_1,
 365                 .platform_data  = &littleton_da9034_leds[0],
 366         }, {
 367                 .name           = "da903x-led",
 368                 .id             = DA9034_ID_LED_2,
 369                 .platform_data  = &littleton_da9034_leds[1],
 370         }, {
 371                 .name           = "da903x-led",
 372                 .id             = DA9034_ID_VIBRA,
 373                 .platform_data  = &littleton_da9034_leds[2],
 374         }, {
 375                 .name           = "da903x-backlight",
 376                 .id             = DA9034_ID_WLED,
 377         }, {
 378                 .name           = "da9034-touch",
 379                 .id             = DA9034_ID_TOUCH,
 380                 .platform_data  = &littleton_da9034_touch,
 381         },
 382 };
 383
 384 static struct da903x_platform_data littleton_da9034_info = {
 385         .num_subdevs    = ARRAY_SIZE(littleton_da9034_subdevs),
 386         .subdevs        = littleton_da9034_subdevs,
 387 };
 388
 389 static struct max732x_platform_data littleton_max7320_info = {
 390         .gpio_base      = EXT0_GPIO_BASE,
 391 };
 392
 393 static struct i2c_board_info littleton_i2c_info[] = {
 394         [0] = {
 395                 .type           = "da9034",
 396                 .addr           = 0x34,
 397                 .platform_data  = &littleton_da9034_info,
 398                 .irq            = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO18)),
 399         },
 400         [1] = {
 401                 .type           = "max7320",
 402                 .addr           = 0x50,
 403                 .platform_data  = &littleton_max7320_info,
 404         },
 405 };
 406
 407 static void __init littleton_init_i2c(void)
 408 {
 409         pxa_set_i2c_info(NULL);
 410         i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
 411 }
 412 #else
 413 static inline void littleton_init_i2c(void) {}
 414 #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
 415
 416 static void __init littleton_init(void)
 417 {
 418         /* initialize MFP configurations */
 419         pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
 420
 421         pxa_set_ffuart_info(NULL);
 422         pxa_set_btuart_info(NULL);
 423         pxa_set_stuart_info(NULL);
 424
 425         /*
 426          * Note: we depend bootloader set the correct
 427          * value to MSC register for SMC91x.
 428          */
 429         platform_device_register(&smc91x_device);
 430
 431         littleton_init_spi();
 432         littleton_init_i2c();
 433         littleton_init_mmc();
 434         littleton_init_lcd();
 435         littleton_init_keypad();
 436         littleton_init_nand();
 437 }
 438
 439 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
 440         .phys_io        = 0x40000000,
 441         .boot_params    = 0xa0000100,
 442         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 443         .map_io         = pxa_map_io,
 444         .init_irq       = pxa3xx_init_irq,
 445         .timer          = &pxa_timer,
 446         .init_machine   = littleton_init,
 447 MACHINE_END