arch/arm/mach-pxa/cm-x300.c

   1 /*
   2  * linux/arch/arm/mach-pxa/cm-x300.c
   3  *
   4  * Support for the CompuLab CM-X300 modules
   5  *
   6  * Copyright (C) 2008 CompuLab Ltd.
   7  *
   8  * Mike Rapoport <mike@compulab.co.il>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/module.h>
  16 #include <linux/kernel.h>
  17 #include <linux/interrupt.h>
  18 #include <linux/init.h>
  19 #include <linux/platform_device.h>
  20
  21 #include <linux/gpio.h>
  22 #include <linux/dm9000.h>
  23 #include <linux/leds.h>
  24 #include <linux/rtc-v3020.h>
  25
  26 #include <linux/i2c.h>
  27 #include <linux/i2c/pca953x.h>
  28
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31 #include <asm/setup.h>
  32
  33 #include <mach/pxa300.h>
  34 #include <mach/pxafb.h>
  35 #include <mach/mmc.h>
  36 #include <mach/ohci.h>
  37 #include <plat/i2c.h>
  38 #include <plat/pxa3xx_nand.h>
  39
  40 #include <asm/mach/map.h>
  41
  42 #include "generic.h"
  43
  44 #define CM_X300_ETH_PHYS        0x08000010
  45
  46 #define GPIO82_MMC_IRQ          (82)
  47 #define GPIO85_MMC_WP           (85)
  48
  49 #define CM_X300_MMC_IRQ         IRQ_GPIO(GPIO82_MMC_IRQ)
  50
  51 #define GPIO95_RTC_CS           (95)
  52 #define GPIO96_RTC_WR           (96)
  53 #define GPIO97_RTC_RD           (97)
  54 #define GPIO98_RTC_IO           (98)
  55
  56 static mfp_cfg_t cm_x300_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         GPIO72_LCD_FCLK,
  75         GPIO73_LCD_LCLK,
  76         GPIO74_LCD_PCLK,
  77         GPIO75_LCD_BIAS,
  78
  79         /* BTUART */
  80         GPIO111_UART2_RTS,
  81         GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
  82         GPIO113_UART2_TXD,
  83         GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
  84
  85         /* STUART */
  86         GPIO109_UART3_TXD,
  87         GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
  88
  89         /* AC97 */
  90         GPIO23_AC97_nACRESET,
  91         GPIO24_AC97_SYSCLK,
  92         GPIO29_AC97_BITCLK,
  93         GPIO25_AC97_SDATA_IN_0,
  94         GPIO27_AC97_SDATA_OUT,
  95         GPIO28_AC97_SYNC,
  96
  97         /* Keypad */
  98         GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
  99         GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
 100         GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
 101         GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
 102         GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
 103         GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
 104         GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
 105         GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
 106         GPIO121_KP_MKOUT_0,
 107         GPIO122_KP_MKOUT_1,
 108         GPIO123_KP_MKOUT_2,
 109         GPIO124_KP_MKOUT_3,
 110         GPIO125_KP_MKOUT_4,
 111         GPIO4_2_KP_MKOUT_5,
 112
 113         /* MMC1 */
 114         GPIO3_MMC1_DAT0,
 115         GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
 116         GPIO5_MMC1_DAT2,
 117         GPIO6_MMC1_DAT3,
 118         GPIO7_MMC1_CLK,
 119         GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
 120
 121         /* MMC2 */
 122         GPIO9_MMC2_DAT0,
 123         GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
 124         GPIO11_MMC2_DAT2,
 125         GPIO12_MMC2_DAT3,
 126         GPIO13_MMC2_CLK,
 127         GPIO14_MMC2_CMD,
 128
 129         /* FFUART */
 130         GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
 131         GPIO31_UART1_TXD,
 132         GPIO32_UART1_CTS,
 133         GPIO37_UART1_RTS,
 134         GPIO33_UART1_DCD,
 135         GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
 136         GPIO35_UART1_RI,
 137         GPIO36_UART1_DTR,
 138
 139         /* GPIOs */
 140         GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
 141         GPIO85_GPIO,                    /* MMC WP */
 142         GPIO99_GPIO,                    /* Ethernet IRQ */
 143
 144         /* RTC GPIOs */
 145         GPIO95_GPIO,                    /* RTC CS */
 146         GPIO96_GPIO,                    /* RTC WR */
 147         GPIO97_GPIO,                    /* RTC RD */
 148         GPIO98_GPIO,                    /* RTC IO */
 149
 150         /* Standard I2C */
 151         GPIO21_I2C_SCL,
 152         GPIO22_I2C_SDA,
 153 };
 154
 155 static mfp_cfg_t cm_x300_rev_lt130_mfp_cfg[] __initdata = {
 156         /* GPIOs */
 157         GPIO79_GPIO,                    /* LED */
 158         GPIO77_GPIO,                    /* WiFi reset */
 159         GPIO78_GPIO,                    /* BT reset */
 160 };
 161
 162 static mfp_cfg_t cm_x300_rev_ge130_mfp_cfg[] __initdata = {
 163         /* GPIOs */
 164         GPIO76_GPIO,                    /* LED */
 165         GPIO71_GPIO,                    /* WiFi reset */
 166         GPIO70_GPIO,                    /* BT reset */
 167 };
 168
 169 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 170 static struct resource dm9000_resources[] = {
 171         [0] = {
 172                 .start  = CM_X300_ETH_PHYS,
 173                 .end    = CM_X300_ETH_PHYS + 0x3,
 174                 .flags  = IORESOURCE_MEM,
 175         },
 176         [1] = {
 177                 .start  = CM_X300_ETH_PHYS + 0x4,
 178                 .end    = CM_X300_ETH_PHYS + 0x4 + 500,
 179                 .flags  = IORESOURCE_MEM,
 180         },
 181         [2] = {
 182                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
 183                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
 184                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 185         }
 186 };
 187
 188 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
 189         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
 190 };
 191
 192 static struct platform_device dm9000_device = {
 193         .name           = "dm9000",
 194         .id             = 0,
 195         .num_resources  = ARRAY_SIZE(dm9000_resources),
 196         .resource       = dm9000_resources,
 197         .dev            = {
 198                 .platform_data = &cm_x300_dm9000_platdata,
 199         }
 200
 201 };
 202
 203 static void __init cm_x300_init_dm9000(void)
 204 {
 205         platform_device_register(&dm9000_device);
 206 }
 207 #else
 208 static inline void cm_x300_init_dm9000(void) {}
 209 #endif
 210
 211 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 212 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
 213         [0] = {
 214                 .pixclock       = 38000,
 215                 .bpp            = 16,
 216                 .xres           = 480,
 217                 .yres           = 640,
 218                 .hsync_len      = 8,
 219                 .vsync_len      = 2,
 220                 .left_margin    = 8,
 221                 .upper_margin   = 0,
 222                 .right_margin   = 24,
 223                 .lower_margin   = 4,
 224                 .cmap_greyscale = 0,
 225         },
 226         [1] = {
 227                 .pixclock       = 153800,
 228                 .bpp            = 16,
 229                 .xres           = 240,
 230                 .yres           = 320,
 231                 .hsync_len      = 8,
 232                 .vsync_len      = 2,
 233                 .left_margin    = 8,
 234                 .upper_margin   = 2,
 235                 .right_margin   = 88,
 236                 .lower_margin   = 2,
 237                 .cmap_greyscale = 0,
 238         },
 239 };
 240
 241 static struct pxafb_mach_info cm_x300_lcd = {
 242         .modes                  = cm_x300_lcd_modes,
 243         .num_modes              = 2,
 244         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 245 };
 246
 247 static void __init cm_x300_init_lcd(void)
 248 {
 249         set_pxa_fb_info(&cm_x300_lcd);
 250 }
 251 #else
 252 static inline void cm_x300_init_lcd(void) {}
 253 #endif
 254
 255 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
 256 static struct mtd_partition cm_x300_nand_partitions[] = {
 257         [0] = {
 258                 .name        = "OBM",
 259                 .offset      = 0,
 260                 .size        = SZ_256K,
 261                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 262         },
 263         [1] = {
 264                 .name        = "U-Boot",
 265                 .offset      = MTDPART_OFS_APPEND,
 266                 .size        = SZ_256K,
 267                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 268         },
 269         [2] = {
 270                 .name        = "Environment",
 271                 .offset      = MTDPART_OFS_APPEND,
 272                 .size        = SZ_256K,
 273         },
 274         [3] = {
 275                 .name        = "reserved",
 276                 .offset      = MTDPART_OFS_APPEND,
 277                 .size        = SZ_256K + SZ_1M,
 278                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
 279         },
 280         [4] = {
 281                 .name        = "kernel",
 282                 .offset      = MTDPART_OFS_APPEND,
 283                 .size        = SZ_4M,
 284         },
 285         [5] = {
 286                 .name        = "fs",
 287                 .offset      = MTDPART_OFS_APPEND,
 288                 .size        = MTDPART_SIZ_FULL,
 289         },
 290 };
 291
 292 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
 293         .enable_arbiter = 1,
 294         .keep_config    = 1,
 295         .parts          = cm_x300_nand_partitions,
 296         .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
 297 };
 298
 299 static void __init cm_x300_init_nand(void)
 300 {
 301         pxa3xx_set_nand_info(&cm_x300_nand_info);
 302 }
 303 #else
 304 static inline void cm_x300_init_nand(void) {}
 305 #endif
 306
 307 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 308 static struct pxamci_platform_data cm_x300_mci_platform_data = {
 309         .detect_delay           = 20,
 310         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 311         .gpio_card_detect       = GPIO82_MMC_IRQ,
 312         .gpio_card_ro           = GPIO85_MMC_WP,
 313         .gpio_power             = -1,
 314 };
 315
 316 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
 317    no detection/ro pins */
 318 static int cm_x300_mci2_init(struct device *dev,
 319                              irq_handler_t cm_x300_detect_int,
 320         void *data)
 321 {
 322         return 0;
 323 }
 324
 325 static void cm_x300_mci2_exit(struct device *dev, void *data)
 326 {
 327 }
 328
 329 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
 330         .detect_delay           = 20,
 331         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 332         .init                   = cm_x300_mci2_init,
 333         .exit                   = cm_x300_mci2_exit,
 334         .gpio_card_detect       = -1,
 335         .gpio_card_ro           = -1,
 336         .gpio_power             = -1,
 337 };
 338
 339 static void __init cm_x300_init_mmc(void)
 340 {
 341         pxa_set_mci_info(&cm_x300_mci_platform_data);
 342         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
 343 }
 344 #else
 345 static inline void cm_x300_init_mmc(void) {}
 346 #endif
 347
 348 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 349 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
 350         .port_mode      = PMM_PERPORT_MODE,
 351         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 352 };
 353
 354 static void __init cm_x300_init_ohci(void)
 355 {
 356         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
 357 }
 358 #else
 359 static inline void cm_x300_init_ohci(void) {}
 360 #endif
 361
 362 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 363 static struct gpio_led cm_x300_leds[] = {
 364         [0] = {
 365                 .name = "cm-x300:green",
 366                 .default_trigger = "heartbeat",
 367                 .active_low = 1,
 368         },
 369 };
 370
 371 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
 372         .num_leds = ARRAY_SIZE(cm_x300_leds),
 373         .leds = cm_x300_leds,
 374 };
 375
 376 static struct platform_device cm_x300_led_device = {
 377         .name           = "leds-gpio",
 378         .id             = -1,
 379         .dev            = {
 380                 .platform_data = &cm_x300_gpio_led_pdata,
 381         },
 382 };
 383
 384 static void __init cm_x300_init_leds(void)
 385 {
 386         if (system_rev < 130)
 387                 cm_x300_leds[0].gpio = 79;
 388         else
 389                 cm_x300_leds[0].gpio = 76;
 390
 391         platform_device_register(&cm_x300_led_device);
 392 }
 393 #else
 394 static inline void cm_x300_init_leds(void) {}
 395 #endif
 396
 397 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 398 /* PCA9555 */
 399 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
 400         .gpio_base = 128,
 401 };
 402
 403 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
 404         .gpio_base = 144,
 405 };
 406
 407 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
 408         [0] = {
 409                 I2C_BOARD_INFO("pca9555", 0x24),
 410                 .platform_data = &cm_x300_gpio_ext_pdata_0,
 411         },
 412         [1] = {
 413                 I2C_BOARD_INFO("pca9555", 0x25),
 414                 .platform_data = &cm_x300_gpio_ext_pdata_1,
 415         },
 416 };
 417
 418 static void __init cm_x300_init_i2c(void)
 419 {
 420         pxa_set_i2c_info(NULL);
 421         i2c_register_board_info(0, cm_x300_gpio_ext_info,
 422                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
 423 }
 424 #else
 425 static inline void cm_x300_init_i2c(void) {}
 426 #endif
 427
 428 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 429 struct v3020_platform_data cm_x300_v3020_pdata = {
 430         .use_gpio       = 1,
 431         .gpio_cs        = GPIO95_RTC_CS,
 432         .gpio_wr        = GPIO96_RTC_WR,
 433         .gpio_rd        = GPIO97_RTC_RD,
 434         .gpio_io        = GPIO98_RTC_IO,
 435 };
 436
 437 static struct platform_device cm_x300_rtc_device = {
 438         .name           = "v3020",
 439         .id             = -1,
 440         .dev            = {
 441                 .platform_data = &cm_x300_v3020_pdata,
 442         }
 443 };
 444
 445 static void __init cm_x300_init_rtc(void)
 446 {
 447         platform_device_register(&cm_x300_rtc_device);
 448 }
 449 #else
 450 static inline void cm_x300_init_rtc(void) {}
 451 #endif
 452
 453 static void __init cm_x300_init_mfp(void)
 454 {
 455         /* board-processor specific GPIO initialization */
 456         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg));
 457
 458         if (system_rev < 130)
 459                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_rev_lt130_mfp_cfg));
 460         else
 461                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_rev_ge130_mfp_cfg));
 462 }
 463
 464 static void __init cm_x300_init(void)
 465 {
 466         cm_x300_init_mfp();
 467
 468         pxa_set_ffuart_info(NULL);
 469         pxa_set_btuart_info(NULL);
 470         pxa_set_stuart_info(NULL);
 471
 472         cm_x300_init_dm9000();
 473         cm_x300_init_lcd();
 474         cm_x300_init_ohci();
 475         cm_x300_init_mmc();
 476         cm_x300_init_nand();
 477         cm_x300_init_leds();
 478         cm_x300_init_i2c();
 479         cm_x300_init_rtc();
 480 }
 481
 482 static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
 483                                  char **cmdline, struct meminfo *mi)
 484 {
 485         mi->nr_banks = 2;
 486         mi->bank[0].start = 0xa0000000;
 487         mi->bank[0].node = 0;
 488         mi->bank[0].size = (64*1024*1024);
 489         mi->bank[1].start = 0xc0000000;
 490         mi->bank[1].node = 0;
 491         mi->bank[1].size = (64*1024*1024);
 492 }
 493
 494 MACHINE_START(CM_X300, "CM-X300 module")
 495         .phys_io        = 0x40000000,
 496         .boot_params    = 0xa0000100,
 497         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 498         .map_io         = pxa_map_io,
 499         .init_irq       = pxa3xx_init_irq,
 500         .timer          = &pxa_timer,
 501         .init_machine   = cm_x300_init,
 502         .fixup          = cm_x300_fixup,
 503 MACHINE_END