git.oblomov.eu Git - linux-2.6/blob - arch/arm/mach-pxa/zylonite.c

   1 /*
   2  * linux/arch/arm/mach-pxa/zylonite.c
   3  *
   4  * Support for the PXA3xx Development Platform (aka Zylonite)
   5  *
   6  * Copyright (C) 2006 Marvell International Ltd.
   7  *
   8  * 2007-09-04: eric miao <eric.miao@marvell.com>
   9  *             rewrite to align with latest kernel
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/init.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/pwm_backlight.h>
  22 #include <linux/smc91x.h>
  23
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/hardware.h>
  27 #include <asm/arch/audio.h>
  28 #include <asm/arch/gpio.h>
  29 #include <asm/arch/pxafb.h>
  30 #include <asm/arch/zylonite.h>
  31 #include <asm/arch/mmc.h>
  32 #include <asm/arch/pxa27x_keypad.h>
  33 #include <asm/arch/pxa3xx_nand.h>
  34
  35 #include "devices.h"
  36 #include "generic.h"
  37
  38 #define MAX_SLOTS       3
  39 struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS];
  40
  41 int gpio_eth_irq;
  42 int gpio_debug_led1;
  43 int gpio_debug_led2;
  44
  45 int wm9713_irq;
  46
  47 int lcd_id;
  48 int lcd_orientation;
  49
  50 static struct resource smc91x_resources[] = {
  51         [0] = {
  52                 .start  = ZYLONITE_ETH_PHYS + 0x300,
  53                 .end    = ZYLONITE_ETH_PHYS + 0xfffff,
  54                 .flags  = IORESOURCE_MEM,
  55         },
  56         [1] = {
  57                 .start  = -1,   /* for run-time assignment */
  58                 .end    = -1,
  59                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  60         }
  61 };
  62
  63 static struct smc91x_platdata zylonite_smc91x_info = {
  64         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
  65                   SMC91X_NOWAIT | SMC91X_USE_DMA,
  66 };
  67
  68 static struct platform_device smc91x_device = {
  69         .name           = "smc91x",
  70         .id             = 0,
  71         .num_resources  = ARRAY_SIZE(smc91x_resources),
  72         .resource       = smc91x_resources,
  73         .dev            = {
  74                 .platform_data = &zylonite_smc91x_info,
  75         },
  76 };
  77
  78 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
  79 static struct gpio_led zylonite_debug_leds[] = {
  80         [0] = {
  81                 .name                   = "zylonite:yellow:1",
  82                 .default_trigger        = "heartbeat",
  83         },
  84         [1] = {
  85                 .name                   = "zylonite:yellow:2",
  86                 .default_trigger        = "default-on",
  87         },
  88 };
  89
  90 static struct gpio_led_platform_data zylonite_debug_leds_info = {
  91         .leds           = zylonite_debug_leds,
  92         .num_leds       = ARRAY_SIZE(zylonite_debug_leds),
  93 };
  94
  95 static struct platform_device zylonite_device_leds = {
  96         .name           = "leds-gpio",
  97         .id             = -1,
  98         .dev            = {
  99                 .platform_data = &zylonite_debug_leds_info,
 100         }
 101 };
 102
 103 static void __init zylonite_init_leds(void)
 104 {
 105         zylonite_debug_leds[0].gpio = gpio_debug_led1;
 106         zylonite_debug_leds[1].gpio = gpio_debug_led2;
 107
 108         platform_device_register(&zylonite_device_leds);
 109 }
 110 #else
 111 static inline void zylonite_init_leds(void) {}
 112 #endif
 113
 114 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 115 static struct platform_pwm_backlight_data zylonite_backlight_data = {
 116         .pwm_id         = 3,
 117         .max_brightness = 100,
 118         .dft_brightness = 100,
 119         .pwm_period_ns  = 10000,
 120 };
 121
 122 static struct platform_device zylonite_backlight_device = {
 123         .name           = "pwm-backlight",
 124         .dev            = {
 125                 .parent = &pxa27x_device_pwm1.dev,
 126                 .platform_data  = &zylonite_backlight_data,
 127         },
 128 };
 129
 130 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
 131         .pixclock               = 110000,
 132         .xres                   = 240,
 133         .yres                   = 320,
 134         .bpp                    = 16,
 135         .hsync_len              = 4,
 136         .left_margin            = 6,
 137         .right_margin           = 4,
 138         .vsync_len              = 2,
 139         .upper_margin           = 2,
 140         .lower_margin           = 3,
 141         .sync                   = FB_SYNC_VERT_HIGH_ACT,
 142 };
 143
 144 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
 145         .pixclock               = 50000,
 146         .xres                   = 640,
 147         .yres                   = 480,
 148         .bpp                    = 16,
 149         .hsync_len              = 1,
 150         .left_margin            = 0x9f,
 151         .right_margin           = 1,
 152         .vsync_len              = 44,
 153         .upper_margin           = 0,
 154         .lower_margin           = 0,
 155         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 156 };
 157
 158 static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
 159         .num_modes              = 1,
 160         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 161 };
 162
 163 static struct pxafb_mode_info sharp_ls037_modes[] = {
 164         [0] = {
 165                 .pixclock       = 158000,
 166                 .xres           = 240,
 167                 .yres           = 320,
 168                 .bpp            = 16,
 169                 .hsync_len      = 4,
 170                 .left_margin    = 39,
 171                 .right_margin   = 39,
 172                 .vsync_len      = 1,
 173                 .upper_margin   = 2,
 174                 .lower_margin   = 3,
 175                 .sync           = 0,
 176         },
 177         [1] = {
 178                 .pixclock       = 39700,
 179                 .xres           = 480,
 180                 .yres           = 640,
 181                 .bpp            = 16,
 182                 .hsync_len      = 8,
 183                 .left_margin    = 81,
 184                 .right_margin   = 81,
 185                 .vsync_len      = 1,
 186                 .upper_margin   = 2,
 187                 .lower_margin   = 7,
 188                 .sync           = 0,
 189         },
 190 };
 191
 192 static struct pxafb_mach_info zylonite_sharp_lcd_info = {
 193         .modes                  = sharp_ls037_modes,
 194         .num_modes              = 2,
 195         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 196 };
 197
 198 static void __init zylonite_init_lcd(void)
 199 {
 200         platform_device_register(&zylonite_backlight_device);
 201
 202         if (lcd_id & 0x20) {
 203                 set_pxa_fb_info(&zylonite_sharp_lcd_info);
 204                 return;
 205         }
 206
 207         /* legacy LCD panels, it would be handy here if LCD panel type can
 208          * be decided at run-time
 209          */
 210         if (1)
 211                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
 212         else
 213                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
 214
 215         set_pxa_fb_info(&zylonite_toshiba_lcd_info);
 216 }
 217 #else
 218 static inline void zylonite_init_lcd(void) {}
 219 #endif
 220
 221 #if defined(CONFIG_MMC)
 222 static int zylonite_mci_ro(struct device *dev)
 223 {
 224         struct platform_device *pdev = to_platform_device(dev);
 225
 226         return gpio_get_value(zylonite_mmc_slot[pdev->id].gpio_wp);
 227 }
 228
 229 static int zylonite_mci_init(struct device *dev,
 230                              irq_handler_t zylonite_detect_int,
 231                              void *data)
 232 {
 233         struct platform_device *pdev = to_platform_device(dev);
 234         int err, cd_irq, gpio_cd, gpio_wp;
 235
 236         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
 237         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
 238         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
 239
 240         /*
 241          * setup GPIO for Zylonite MMC controller
 242          */
 243         err = gpio_request(gpio_cd, "mmc card detect");
 244         if (err)
 245                 goto err_request_cd;
 246         gpio_direction_input(gpio_cd);
 247
 248         err = gpio_request(gpio_wp, "mmc write protect");
 249         if (err)
 250                 goto err_request_wp;
 251         gpio_direction_input(gpio_wp);
 252
 253         err = request_irq(cd_irq, zylonite_detect_int,
 254                           IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 255                           "MMC card detect", data);
 256         if (err) {
 257                 printk(KERN_ERR "%s: MMC/SD/SDIO: "
 258                                 "can't request card detect IRQ\n", __func__);
 259                 goto err_request_irq;
 260         }
 261
 262         return 0;
 263
 264 err_request_irq:
 265         gpio_free(gpio_wp);
 266 err_request_wp:
 267         gpio_free(gpio_cd);
 268 err_request_cd:
 269         return err;
 270 }
 271
 272 static void zylonite_mci_exit(struct device *dev, void *data)
 273 {
 274         struct platform_device *pdev = to_platform_device(dev);
 275         int cd_irq, gpio_cd, gpio_wp;
 276
 277         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
 278         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
 279         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
 280
 281         free_irq(cd_irq, data);
 282         gpio_free(gpio_cd);
 283         gpio_free(gpio_wp);
 284 }
 285
 286 static struct pxamci_platform_data zylonite_mci_platform_data = {
 287         .detect_delay   = 20,
 288         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 289         .init           = zylonite_mci_init,
 290         .exit           = zylonite_mci_exit,
 291         .get_ro         = zylonite_mci_ro,
 292 };
 293
 294 static struct pxamci_platform_data zylonite_mci2_platform_data = {
 295         .detect_delay   = 20,
 296         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 297 };
 298
 299 static void __init zylonite_init_mmc(void)
 300 {
 301         pxa_set_mci_info(&zylonite_mci_platform_data);
 302         pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
 303         if (cpu_is_pxa310())
 304                 pxa3xx_set_mci3_info(&zylonite_mci_platform_data);
 305 }
 306 #else
 307 static inline void zylonite_init_mmc(void) {}
 308 #endif
 309
 310 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 311 static unsigned int zylonite_matrix_key_map[] = {
 312         /* KEY(row, col, key_code) */
 313         KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_C), KEY(0, 5, KEY_D),
 314         KEY(1, 0, KEY_E), KEY(1, 1, KEY_F), KEY(1, 2, KEY_G), KEY(1, 5, KEY_H),
 315         KEY(2, 0, KEY_I), KEY(2, 1, KEY_J), KEY(2, 2, KEY_K), KEY(2, 5, KEY_L),
 316         KEY(3, 0, KEY_M), KEY(3, 1, KEY_N), KEY(3, 2, KEY_O), KEY(3, 5, KEY_P),
 317         KEY(5, 0, KEY_Q), KEY(5, 1, KEY_R), KEY(5, 2, KEY_S), KEY(5, 5, KEY_T),
 318         KEY(6, 0, KEY_U), KEY(6, 1, KEY_V), KEY(6, 2, KEY_W), KEY(6, 5, KEY_X),
 319         KEY(7, 1, KEY_Y), KEY(7, 2, KEY_Z),
 320
 321         KEY(4, 4, KEY_0), KEY(1, 3, KEY_1), KEY(4, 1, KEY_2), KEY(1, 4, KEY_3),
 322         KEY(2, 3, KEY_4), KEY(4, 2, KEY_5), KEY(2, 4, KEY_6), KEY(3, 3, KEY_7),
 323         KEY(4, 3, KEY_8), KEY(3, 4, KEY_9),
 324
 325         KEY(4, 5, KEY_SPACE),
 326         KEY(5, 3, KEY_KPASTERISK),      /* * */
 327         KEY(5, 4, KEY_KPDOT),           /* #" */
 328
 329         KEY(0, 7, KEY_UP),
 330         KEY(1, 7, KEY_DOWN),
 331         KEY(2, 7, KEY_LEFT),
 332         KEY(3, 7, KEY_RIGHT),
 333         KEY(2, 6, KEY_HOME),
 334         KEY(3, 6, KEY_END),
 335         KEY(6, 4, KEY_DELETE),
 336         KEY(6, 6, KEY_BACK),
 337         KEY(6, 3, KEY_CAPSLOCK),        /* KEY_LEFTSHIFT), */
 338
 339         KEY(4, 6, KEY_ENTER),           /* scroll push */
 340         KEY(5, 7, KEY_ENTER),           /* keypad action */
 341
 342         KEY(0, 4, KEY_EMAIL),
 343         KEY(5, 6, KEY_SEND),
 344         KEY(4, 0, KEY_CALENDAR),
 345         KEY(7, 6, KEY_RECORD),
 346         KEY(6, 7, KEY_VOLUMEUP),
 347         KEY(7, 7, KEY_VOLUMEDOWN),
 348
 349         KEY(0, 6, KEY_F22),     /* soft1 */
 350         KEY(1, 6, KEY_F23),     /* soft2 */
 351         KEY(0, 3, KEY_AUX),     /* contact */
 352 };
 353
 354 static struct pxa27x_keypad_platform_data zylonite_keypad_info = {
 355         .matrix_key_rows        = 8,
 356         .matrix_key_cols        = 8,
 357         .matrix_key_map         = zylonite_matrix_key_map,
 358         .matrix_key_map_size    = ARRAY_SIZE(zylonite_matrix_key_map),
 359
 360         .enable_rotary0         = 1,
 361         .rotary0_up_key         = KEY_UP,
 362         .rotary0_down_key       = KEY_DOWN,
 363
 364         .debounce_interval      = 30,
 365 };
 366
 367 static void __init zylonite_init_keypad(void)
 368 {
 369         pxa_set_keypad_info(&zylonite_keypad_info);
 370 }
 371 #else
 372 static inline void zylonite_init_keypad(void) {}
 373 #endif
 374
 375 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 376 static struct mtd_partition zylonite_nand_partitions[] = {
 377         [0] = {
 378                 .name        = "Bootloader",
 379                 .offset      = 0,
 380                 .size        = 0x060000,
 381                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 382         },
 383         [1] = {
 384                 .name        = "Kernel",
 385                 .offset      = 0x060000,
 386                 .size        = 0x200000,
 387                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 388         },
 389         [2] = {
 390                 .name        = "Filesystem",
 391                 .offset      = 0x0260000,
 392                 .size        = 0x3000000,     /* 48M - rootfs */
 393         },
 394         [3] = {
 395                 .name        = "MassStorage",
 396                 .offset      = 0x3260000,
 397                 .size        = 0x3d40000,
 398         },
 399         [4] = {
 400                 .name        = "BBT",
 401                 .offset      = 0x6FA0000,
 402                 .size        = 0x80000,
 403                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
 404         },
 405         /* NOTE: we reserve some blocks at the end of the NAND flash for
 406          * bad block management, and the max number of relocation blocks
 407          * differs on different platforms. Please take care with it when
 408          * defining the partition table.
 409          */
 410 };
 411
 412 static struct pxa3xx_nand_platform_data zylonite_nand_info = {
 413         .enable_arbiter = 1,
 414         .parts          = zylonite_nand_partitions,
 415         .nr_parts       = ARRAY_SIZE(zylonite_nand_partitions),
 416 };
 417
 418 static void __init zylonite_init_nand(void)
 419 {
 420         pxa3xx_set_nand_info(&zylonite_nand_info);
 421 }
 422 #else
 423 static inline void zylonite_init_nand(void) {}
 424 #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
 425
 426 static void __init zylonite_init(void)
 427 {
 428         /* board-processor specific initialization */
 429         zylonite_pxa300_init();
 430         zylonite_pxa320_init();
 431
 432         /*
 433          * Note: We depend that the bootloader set
 434          * the correct value to MSC register for SMC91x.
 435          */
 436         smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
 437         smc91x_resources[1].end   = gpio_to_irq(gpio_eth_irq);
 438         platform_device_register(&smc91x_device);
 439
 440         pxa_set_ac97_info(NULL);
 441         zylonite_init_lcd();
 442         zylonite_init_mmc();
 443         zylonite_init_keypad();
 444         zylonite_init_nand();
 445         zylonite_init_leds();
 446 }
 447
 448 MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
 449         .phys_io        = 0x40000000,
 450         .boot_params    = 0xa0000100,
 451         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 452         .map_io         = pxa_map_io,
 453         .init_irq       = pxa3xx_init_irq,
 454         .timer          = &pxa_timer,
 455         .init_machine   = zylonite_init,
 456 MACHINE_END