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