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