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 <mach/hardware.h>
  27 #include <mach/audio.h>
  28 #include <mach/gpio.h>
  29 #include <mach/pxafb.h>
  30 #include <mach/zylonite.h>
  31 #include <mach/mmc.h>
  32 #include <mach/ohci.h>
  33 #include <mach/pxa27x_keypad.h>
  34 #include <mach/pxa3xx_nand.h>
  35
  36 #include "devices.h"
  37 #include "generic.h"
  38
  39 #define MAX_SLOTS       3
  40 struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS];
  41
  42 int gpio_eth_irq;
  43 int gpio_debug_led1;
  44 int gpio_debug_led2;
  45
  46 int wm9713_irq;
  47
  48 int lcd_id;
  49 int lcd_orientation;
  50
  51 static struct resource smc91x_resources[] = {
  52         [0] = {
  53                 .start  = ZYLONITE_ETH_PHYS + 0x300,
  54                 .end    = ZYLONITE_ETH_PHYS + 0xfffff,
  55                 .flags  = IORESOURCE_MEM,
  56         },
  57         [1] = {
  58                 .start  = -1,   /* for run-time assignment */
  59                 .end    = -1,
  60                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  61         }
  62 };
  63
  64 static struct smc91x_platdata zylonite_smc91x_info = {
  65         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
  66                   SMC91X_NOWAIT | SMC91X_USE_DMA,
  67 };
  68
  69 static struct platform_device smc91x_device = {
  70         .name           = "smc91x",
  71         .id             = 0,
  72         .num_resources  = ARRAY_SIZE(smc91x_resources),
  73         .resource       = smc91x_resources,
  74         .dev            = {
  75                 .platform_data = &zylonite_smc91x_info,
  76         },
  77 };
  78
  79 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
  80 static struct gpio_led zylonite_debug_leds[] = {
  81         [0] = {
  82                 .name                   = "zylonite:yellow:1",
  83                 .default_trigger        = "heartbeat",
  84         },
  85         [1] = {
  86                 .name                   = "zylonite:yellow:2",
  87                 .default_trigger        = "default-on",
  88         },
  89 };
  90
  91 static struct gpio_led_platform_data zylonite_debug_leds_info = {
  92         .leds           = zylonite_debug_leds,
  93         .num_leds       = ARRAY_SIZE(zylonite_debug_leds),
  94 };
  95
  96 static struct platform_device zylonite_device_leds = {
  97         .name           = "leds-gpio",
  98         .id             = -1,
  99         .dev            = {
 100                 .platform_data = &zylonite_debug_leds_info,
 101         }
 102 };
 103
 104 static void __init zylonite_init_leds(void)
 105 {
 106         zylonite_debug_leds[0].gpio = gpio_debug_led1;
 107         zylonite_debug_leds[1].gpio = gpio_debug_led2;
 108
 109         platform_device_register(&zylonite_device_leds);
 110 }
 111 #else
 112 static inline void zylonite_init_leds(void) {}
 113 #endif
 114
 115 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 116 static struct platform_pwm_backlight_data zylonite_backlight_data = {
 117         .pwm_id         = 3,
 118         .max_brightness = 100,
 119         .dft_brightness = 100,
 120         .pwm_period_ns  = 10000,
 121 };
 122
 123 static struct platform_device zylonite_backlight_device = {
 124         .name           = "pwm-backlight",
 125         .dev            = {
 126                 .parent = &pxa27x_device_pwm1.dev,
 127                 .platform_data  = &zylonite_backlight_data,
 128         },
 129 };
 130
 131 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
 132         .pixclock               = 110000,
 133         .xres                   = 240,
 134         .yres                   = 320,
 135         .bpp                    = 16,
 136         .hsync_len              = 4,
 137         .left_margin            = 6,
 138         .right_margin           = 4,
 139         .vsync_len              = 2,
 140         .upper_margin           = 2,
 141         .lower_margin           = 3,
 142         .sync                   = FB_SYNC_VERT_HIGH_ACT,
 143 };
 144
 145 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
 146         .pixclock               = 50000,
 147         .xres                   = 640,
 148         .yres                   = 480,
 149         .bpp                    = 16,
 150         .hsync_len              = 1,
 151         .left_margin            = 0x9f,
 152         .right_margin           = 1,
 153         .vsync_len              = 44,
 154         .upper_margin           = 0,
 155         .lower_margin           = 0,
 156         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 157 };
 158
 159 static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
 160         .num_modes              = 1,
 161         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 162 };
 163
 164 static struct pxafb_mode_info sharp_ls037_modes[] = {
 165         [0] = {
 166                 .pixclock       = 158000,
 167                 .xres           = 240,
 168                 .yres           = 320,
 169                 .bpp            = 16,
 170                 .hsync_len      = 4,
 171                 .left_margin    = 39,
 172                 .right_margin   = 39,
 173                 .vsync_len      = 1,
 174                 .upper_margin   = 2,
 175                 .lower_margin   = 3,
 176                 .sync           = 0,
 177         },
 178         [1] = {
 179                 .pixclock       = 39700,
 180                 .xres           = 480,
 181                 .yres           = 640,
 182                 .bpp            = 16,
 183                 .hsync_len      = 8,
 184                 .left_margin    = 81,
 185                 .right_margin   = 81,
 186                 .vsync_len      = 1,
 187                 .upper_margin   = 2,
 188                 .lower_margin   = 7,
 189                 .sync           = 0,
 190         },
 191 };
 192
 193 static struct pxafb_mach_info zylonite_sharp_lcd_info = {
 194         .modes                  = sharp_ls037_modes,
 195         .num_modes              = 2,
 196         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 197 };
 198
 199 static void __init zylonite_init_lcd(void)
 200 {
 201         platform_device_register(&zylonite_backlight_device);
 202
 203         if (lcd_id & 0x20) {
 204                 set_pxa_fb_info(&zylonite_sharp_lcd_info);
 205                 return;
 206         }
 207
 208         /* legacy LCD panels, it would be handy here if LCD panel type can
 209          * be decided at run-time
 210          */
 211         if (1)
 212                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
 213         else
 214                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
 215
 216         set_pxa_fb_info(&zylonite_toshiba_lcd_info);
 217 }
 218 #else
 219 static inline void zylonite_init_lcd(void) {}
 220 #endif
 221
 222 #if defined(CONFIG_MMC)
 223 static int zylonite_mci_ro(struct device *dev)
 224 {
 225         struct platform_device *pdev = to_platform_device(dev);
 226
 227         return gpio_get_value(zylonite_mmc_slot[pdev->id].gpio_wp);
 228 }
 229
 230 static int zylonite_mci_init(struct device *dev,
 231                              irq_handler_t zylonite_detect_int,
 232                              void *data)
 233 {
 234         struct platform_device *pdev = to_platform_device(dev);
 235         int err, cd_irq, gpio_cd, gpio_wp;
 236
 237         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
 238         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
 239         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
 240
 241         /*
 242          * setup GPIO for Zylonite MMC controller
 243          */
 244         err = gpio_request(gpio_cd, "mmc card detect");
 245         if (err)
 246                 goto err_request_cd;
 247         gpio_direction_input(gpio_cd);
 248
 249         err = gpio_request(gpio_wp, "mmc write protect");
 250         if (err)
 251                 goto err_request_wp;
 252         gpio_direction_input(gpio_wp);
 253
 254         err = request_irq(cd_irq, zylonite_detect_int,
 255                           IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 256                           "MMC card detect", data);
 257         if (err) {
 258                 printk(KERN_ERR "%s: MMC/SD/SDIO: "
 259                                 "can't request card detect IRQ\n", __func__);
 260                 goto err_request_irq;
 261         }
 262
 263         return 0;
 264
 265 err_request_irq:
 266         gpio_free(gpio_wp);
 267 err_request_wp:
 268         gpio_free(gpio_cd);
 269 err_request_cd:
 270         return err;
 271 }
 272
 273 static void zylonite_mci_exit(struct device *dev, void *data)
 274 {
 275         struct platform_device *pdev = to_platform_device(dev);
 276         int cd_irq, gpio_cd, gpio_wp;
 277
 278         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
 279         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
 280         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
 281
 282         free_irq(cd_irq, data);
 283         gpio_free(gpio_cd);
 284         gpio_free(gpio_wp);
 285 }
 286
 287 static struct pxamci_platform_data zylonite_mci_platform_data = {
 288         .detect_delay   = 20,
 289         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 290         .init           = zylonite_mci_init,
 291         .exit           = zylonite_mci_exit,
 292         .get_ro         = zylonite_mci_ro,
 293 };
 294
 295 static struct pxamci_platform_data zylonite_mci2_platform_data = {
 296         .detect_delay   = 20,
 297         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 298 };
 299
 300 static void __init zylonite_init_mmc(void)
 301 {
 302         pxa_set_mci_info(&zylonite_mci_platform_data);
 303         pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
 304         if (cpu_is_pxa310())
 305                 pxa3xx_set_mci3_info(&zylonite_mci_platform_data);
 306 }
 307 #else
 308 static inline void zylonite_init_mmc(void) {}
 309 #endif
 310
 311 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 312 static unsigned int zylonite_matrix_key_map[] = {
 313         /* KEY(row, col, key_code) */
 314         KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_C), KEY(0, 5, KEY_D),
 315         KEY(1, 0, KEY_E), KEY(1, 1, KEY_F), KEY(1, 2, KEY_G), KEY(1, 5, KEY_H),
 316         KEY(2, 0, KEY_I), KEY(2, 1, KEY_J), KEY(2, 2, KEY_K), KEY(2, 5, KEY_L),
 317         KEY(3, 0, KEY_M), KEY(3, 1, KEY_N), KEY(3, 2, KEY_O), KEY(3, 5, KEY_P),
 318         KEY(5, 0, KEY_Q), KEY(5, 1, KEY_R), KEY(5, 2, KEY_S), KEY(5, 5, KEY_T),
 319         KEY(6, 0, KEY_U), KEY(6, 1, KEY_V), KEY(6, 2, KEY_W), KEY(6, 5, KEY_X),
 320         KEY(7, 1, KEY_Y), KEY(7, 2, KEY_Z),
 321
 322         KEY(4, 4, KEY_0), KEY(1, 3, KEY_1), KEY(4, 1, KEY_2), KEY(1, 4, KEY_3),
 323         KEY(2, 3, KEY_4), KEY(4, 2, KEY_5), KEY(2, 4, KEY_6), KEY(3, 3, KEY_7),
 324         KEY(4, 3, KEY_8), KEY(3, 4, KEY_9),
 325
 326         KEY(4, 5, KEY_SPACE),
 327         KEY(5, 3, KEY_KPASTERISK),      /* * */
 328         KEY(5, 4, KEY_KPDOT),           /* #" */
 329
 330         KEY(0, 7, KEY_UP),
 331         KEY(1, 7, KEY_DOWN),
 332         KEY(2, 7, KEY_LEFT),
 333         KEY(3, 7, KEY_RIGHT),
 334         KEY(2, 6, KEY_HOME),
 335         KEY(3, 6, KEY_END),
 336         KEY(6, 4, KEY_DELETE),
 337         KEY(6, 6, KEY_BACK),
 338         KEY(6, 3, KEY_CAPSLOCK),        /* KEY_LEFTSHIFT), */
 339
 340         KEY(4, 6, KEY_ENTER),           /* scroll push */
 341         KEY(5, 7, KEY_ENTER),           /* keypad action */
 342
 343         KEY(0, 4, KEY_EMAIL),
 344         KEY(5, 6, KEY_SEND),
 345         KEY(4, 0, KEY_CALENDAR),
 346         KEY(7, 6, KEY_RECORD),
 347         KEY(6, 7, KEY_VOLUMEUP),
 348         KEY(7, 7, KEY_VOLUMEDOWN),
 349
 350         KEY(0, 6, KEY_F22),     /* soft1 */
 351         KEY(1, 6, KEY_F23),     /* soft2 */
 352         KEY(0, 3, KEY_AUX),     /* contact */
 353 };
 354
 355 static struct pxa27x_keypad_platform_data zylonite_keypad_info = {
 356         .matrix_key_rows        = 8,
 357         .matrix_key_cols        = 8,
 358         .matrix_key_map         = zylonite_matrix_key_map,
 359         .matrix_key_map_size    = ARRAY_SIZE(zylonite_matrix_key_map),
 360
 361         .enable_rotary0         = 1,
 362         .rotary0_up_key         = KEY_UP,
 363         .rotary0_down_key       = KEY_DOWN,
 364
 365         .debounce_interval      = 30,
 366 };
 367
 368 static void __init zylonite_init_keypad(void)
 369 {
 370         pxa_set_keypad_info(&zylonite_keypad_info);
 371 }
 372 #else
 373 static inline void zylonite_init_keypad(void) {}
 374 #endif
 375
 376 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 377 static struct mtd_partition zylonite_nand_partitions[] = {
 378         [0] = {
 379                 .name        = "Bootloader",
 380                 .offset      = 0,
 381                 .size        = 0x060000,
 382                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 383         },
 384         [1] = {
 385                 .name        = "Kernel",
 386                 .offset      = 0x060000,
 387                 .size        = 0x200000,
 388                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 389         },
 390         [2] = {
 391                 .name        = "Filesystem",
 392                 .offset      = 0x0260000,
 393                 .size        = 0x3000000,     /* 48M - rootfs */
 394         },
 395         [3] = {
 396                 .name        = "MassStorage",
 397                 .offset      = 0x3260000,
 398                 .size        = 0x3d40000,
 399         },
 400         [4] = {
 401                 .name        = "BBT",
 402                 .offset      = 0x6FA0000,
 403                 .size        = 0x80000,
 404                 .mask_flags  = MTD_WRITEABLE,  /* force read-only */
 405         },
 406         /* NOTE: we reserve some blocks at the end of the NAND flash for
 407          * bad block management, and the max number of relocation blocks
 408          * differs on different platforms. Please take care with it when
 409          * defining the partition table.
 410          */
 411 };
 412
 413 static struct pxa3xx_nand_platform_data zylonite_nand_info = {
 414         .enable_arbiter = 1,
 415         .parts          = zylonite_nand_partitions,
 416         .nr_parts       = ARRAY_SIZE(zylonite_nand_partitions),
 417 };
 418
 419 static void __init zylonite_init_nand(void)
 420 {
 421         pxa3xx_set_nand_info(&zylonite_nand_info);
 422 }
 423 #else
 424 static inline void zylonite_init_nand(void) {}
 425 #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
 426
 427 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 428 static struct pxaohci_platform_data zylonite_ohci_info = {
 429         .port_mode      = PMM_PERPORT_MODE,
 430         .flags          = ENABLE_PORT1 | ENABLE_PORT2 |
 431                           POWER_CONTROL_LOW | POWER_SENSE_LOW,
 432 };
 433
 434 static void __init zylonite_init_ohci(void)
 435 {
 436         pxa_set_ohci_info(&zylonite_ohci_info);
 437 }
 438 #else
 439 static inline void zylonite_init_ohci(void) {}
 440 #endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
 441
 442 static void __init zylonite_init(void)
 443 {
 444         /* board-processor specific initialization */
 445         zylonite_pxa300_init();
 446         zylonite_pxa320_init();
 447
 448         /*
 449          * Note: We depend that the bootloader set
 450          * the correct value to MSC register for SMC91x.
 451          */
 452         smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
 453         smc91x_resources[1].end   = gpio_to_irq(gpio_eth_irq);
 454         platform_device_register(&smc91x_device);
 455
 456         pxa_set_ac97_info(NULL);
 457         zylonite_init_lcd();
 458         zylonite_init_mmc();
 459         zylonite_init_keypad();
 460         zylonite_init_nand();
 461         zylonite_init_leds();
 462         zylonite_init_ohci();
 463 }
 464
 465 MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
 466         .phys_io        = 0x40000000,
 467         .boot_params    = 0xa0000100,
 468         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 469         .map_io         = pxa_map_io,
 470         .init_irq       = pxa3xx_init_irq,
 471         .timer          = &pxa_timer,
 472         .init_machine   = zylonite_init,
 473 MACHINE_END