include/configs/gw_ventana.h

   1 /*
   2  * Copyright (C) 2013 Gateworks Corporation
   3  *
   4  * SPDX-License-Identifier: GPL-2.0+
   5  */
   6
   7 #ifndef __CONFIG_H
   8 #define __CONFIG_H
   9
  10 /* SPL */
  11 #define CONFIG_SPL_BOARD_INIT
  12 #define CONFIG_SPL_NAND_SUPPORT
  13 #define CONFIG_SPL_MMC_SUPPORT
  14 #define CONFIG_SPL_FAT_SUPPORT
  15 /*
  16 #define CONFIG_SPL_SATA_SUPPORT
  17 */
  18 /* Location in NAND to read U-Boot from */
  19 #define CONFIG_SYS_NAND_U_BOOT_OFFS     (14 * 1024 * 1024)
  20
  21 #include "imx6_spl.h"                  /* common IMX6 SPL configuration */
  22 #include "mx6_common.h"
  23 #define CONFIG_DISPLAY_CPUINFO         /* display cpu info */
  24 #define CONFIG_DISPLAY_BOARDINFO_LATE  /* display board info (after reloc) */
  25
  26 #define CONFIG_MACH_TYPE        4520   /* Gateworks Ventana Platform */
  27
  28 #include <asm/arch/imx-regs.h>
  29 #include <asm/imx-common/gpio.h>
  30
  31 /* ATAGs */
  32 #define CONFIG_CMDLINE_TAG
  33 #define CONFIG_SETUP_MEMORY_TAGS
  34 #define CONFIG_INITRD_TAG
  35 #define CONFIG_SERIAL_TAG
  36 #define CONFIG_REVISION_TAG
  37
  38 #define CONFIG_SYS_GENERIC_BOARD
  39
  40 /* Size of malloc() pool */
  41 #define CONFIG_SYS_MALLOC_LEN           (10 * 1024 * 1024)
  42
  43 /* Init Functions */
  44 #define CONFIG_BOARD_EARLY_INIT_F
  45 #define CONFIG_MISC_INIT_R
  46
  47 /* Driver Model */
  48 #ifndef CONFIG_SPL_BUILD
  49 #define CONFIG_DM
  50 #define CONFIG_DM_GPIO
  51 #define CONFIG_CMD_DM
  52 #endif
  53
  54 /* GPIO */
  55 #define CONFIG_MXC_GPIO
  56 #define CONFIG_CMD_GPIO
  57
  58 /* Serial */
  59 #define CONFIG_MXC_UART
  60 #define CONFIG_MXC_UART_BASE           UART2_BASE
  61
  62 #ifdef CONFIG_SPI_FLASH
  63
  64 /* SPI */
  65 #define CONFIG_CMD_SF
  66 #ifdef CONFIG_CMD_SF
  67   #define CONFIG_MXC_SPI
  68   #define CONFIG_SPI_FLASH_MTD
  69   #define CONFIG_SPI_FLASH_BAR
  70   #define CONFIG_SPI_FLASH_WINBOND
  71   #define CONFIG_SF_DEFAULT_BUS              0
  72   #define CONFIG_SF_DEFAULT_CS               0
  73                                              /* GPIO 3-19 (21248) */
  74   #define CONFIG_SF_DEFAULT_SPEED            30000000
  75   #define CONFIG_SF_DEFAULT_MODE             (SPI_MODE_0)
  76 #endif
  77
  78 #else
  79 /* Enable NAND support */
  80 #define CONFIG_CMD_TIME
  81 #define CONFIG_CMD_NAND
  82 #define CONFIG_CMD_NAND_TRIMFFS
  83 #ifdef CONFIG_CMD_NAND
  84   #define CONFIG_NAND_MXS
  85   #define CONFIG_SYS_MAX_NAND_DEVICE    1
  86   #define CONFIG_SYS_NAND_BASE          0x40000000
  87   #define CONFIG_SYS_NAND_5_ADDR_CYCLE
  88   #define CONFIG_SYS_NAND_ONFI_DETECTION
  89
  90   /* DMA stuff, needed for GPMI/MXS NAND support */
  91   #define CONFIG_APBH_DMA
  92   #define CONFIG_APBH_DMA_BURST
  93   #define CONFIG_APBH_DMA_BURST8
  94 #endif
  95
  96 #endif /* CONFIG_SPI_FLASH */
  97
  98 /* Flattened Image Tree Suport */
  99 #define CONFIG_FIT
 100 #define CONFIG_FIT_VERBOSE
 101
 102 /* I2C Configs */
 103 #define CONFIG_CMD_I2C
 104 #define CONFIG_SYS_I2C
 105 #define CONFIG_SYS_I2C_MXC
 106 #define CONFIG_SYS_I2C_SPEED            100000
 107 #define CONFIG_I2C_GSC                  0
 108 #define CONFIG_I2C_PMIC                 1
 109 #define CONFIG_I2C_EDID
 110
 111 /* MMC Configs */
 112 #define CONFIG_FSL_ESDHC
 113 #define CONFIG_FSL_USDHC
 114 #define CONFIG_SYS_FSL_ESDHC_ADDR      0
 115 #define CONFIG_SYS_FSL_USDHC_NUM       1
 116 #define CONFIG_MMC
 117 #define CONFIG_CMD_MMC
 118 #define CONFIG_GENERIC_MMC
 119 #define CONFIG_BOUNCE_BUFFER
 120
 121 /* Filesystem support */
 122 #define CONFIG_CMD_EXT2
 123 #define CONFIG_CMD_EXT4
 124 #define CONFIG_CMD_EXT4_WRITE
 125 #define CONFIG_CMD_FAT
 126 #define CONFIG_CMD_UBIFS
 127 #define CONFIG_DOS_PARTITION
 128
 129 /*
 130  * SATA Configs
 131  */
 132 #define CONFIG_CMD_SATA
 133 #ifdef CONFIG_CMD_SATA
 134   #define CONFIG_DWC_AHSATA
 135   #define CONFIG_SYS_SATA_MAX_DEVICE    1
 136   #define CONFIG_DWC_AHSATA_PORT_ID     0
 137   #define CONFIG_DWC_AHSATA_BASE_ADDR   SATA_ARB_BASE_ADDR
 138   #define CONFIG_LBA48
 139   #define CONFIG_LIBATA
 140 #endif
 141
 142 /*
 143  * PCI express
 144  */
 145 #define CONFIG_CMD_PCI
 146 #ifdef CONFIG_CMD_PCI
 147 #define CONFIG_PCI
 148 #define CONFIG_PCI_PNP
 149 #define CONFIG_PCI_SCAN_SHOW
 150 #define CONFIG_PCI_FIXUP_DEV
 151 #define CONFIG_PCIE_IMX
 152 #endif
 153
 154 /*
 155  * PMIC
 156  */
 157 #define CONFIG_POWER
 158 #define CONFIG_POWER_I2C
 159 #define CONFIG_POWER_PFUZE100
 160 #define CONFIG_POWER_PFUZE100_I2C_ADDR  0x08
 161 #define CONFIG_POWER_LTC3676
 162 #define CONFIG_POWER_LTC3676_I2C_ADDR  0x3c
 163
 164 /* Various command support */
 165 #include <config_cmd_default.h>
 166 #undef CONFIG_CMD_IMLS
 167 #define CONFIG_CMD_PING
 168 #define CONFIG_CMD_DHCP
 169 #define CONFIG_CMD_MII
 170 #define CONFIG_CMD_NET
 171 #define CONFIG_CMD_BMODE         /* set eFUSE shadow for a boot dev and reset */
 172 #define CONFIG_CMD_HDMIDETECT    /* detect HDMI output device */
 173 #define CONFIG_CMD_SETEXPR
 174 #define CONFIG_CMD_BOOTZ
 175 #define CONFIG_CMD_GSC
 176 #define CONFIG_CMD_EECONFIG      /* Gateworks EEPROM config cmd */
 177 #define CONFIG_CMD_UBI
 178 #define CONFIG_RBTREE
 179 #define CONFIG_LZO
 180 #define CONFIG_CMD_FUSE          /* eFUSE read/write support */
 181 #ifdef CONFIG_CMD_FUSE
 182 #define CONFIG_MXC_OCOTP
 183 #endif
 184
 185
 186 /* Ethernet support */
 187 #define CONFIG_FEC_MXC
 188 #define CONFIG_E1000
 189 #define CONFIG_MII
 190 #define IMX_FEC_BASE             ENET_BASE_ADDR
 191 #define CONFIG_FEC_XCV_TYPE      RGMII
 192 #define CONFIG_FEC_MXC_PHYADDR   0
 193 #define CONFIG_PHYLIB
 194 #define CONFIG_ARP_TIMEOUT       200UL
 195
 196 /* USB Configs */
 197 #define CONFIG_CMD_USB
 198 #define CONFIG_USB_EHCI
 199 #define CONFIG_USB_EHCI_MX6
 200 #define CONFIG_USB_STORAGE
 201 #define CONFIG_USB_HOST_ETHER
 202 #define CONFIG_USB_ETHER_ASIX
 203 #define CONFIG_USB_ETHER_SMSC95XX
 204 #define CONFIG_USB_MAX_CONTROLLER_COUNT 2
 205 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET  /* For OTG port */
 206 #define CONFIG_MXC_USB_PORTSC     (PORT_PTS_UTMI | PORT_PTS_PTW)
 207 #define CONFIG_MXC_USB_FLAGS      0
 208 #define CONFIG_USB_KEYBOARD
 209 #define CONFIG_CI_UDC
 210 #define CONFIG_USBD_HS
 211 #define CONFIG_USB_GADGET_DUALSPEED
 212 #define CONFIG_USB_ETHER
 213 #define CONFIG_USB_ETH_CDC
 214 #define CONFIG_NETCONSOLE
 215 #define CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP
 216
 217 /* USB Mass Storage Gadget */
 218 #define CONFIG_USB_GADGET
 219 #define CONFIG_CMD_USB_MASS_STORAGE
 220 #define CONFIG_USB_GADGET_MASS_STORAGE
 221 #define CONFIG_USBDOWNLOAD_GADGET
 222 #define CONFIG_USB_GADGET_VBUS_DRAW    2
 223
 224 /* Netchip IDs */
 225 #define CONFIG_G_DNL_VENDOR_NUM 0x0525
 226 #define CONFIG_G_DNL_PRODUCT_NUM 0xa4a5
 227 #define CONFIG_G_DNL_MANUFACTURER "Gateworks"
 228
 229 /* Framebuffer and LCD */
 230 #define CONFIG_VIDEO
 231 #define CONFIG_VIDEO_IPUV3
 232 #define CONFIG_CFB_CONSOLE
 233 #define CONFIG_VGA_AS_SINGLE_DEVICE
 234 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
 235 #define CONFIG_VIDEO_BMP_RLE8
 236 #define CONFIG_SPLASH_SCREEN
 237 #define CONFIG_BMP_16BPP
 238 #define CONFIG_VIDEO_LOGO
 239 #define CONFIG_IPUV3_CLK          260000000
 240 #define CONFIG_CMD_HDMIDETECT
 241 #define CONFIG_CONSOLE_MUX
 242 #define CONFIG_IMX_HDMI
 243 #define CONFIG_IMX_VIDEO_SKIP
 244
 245 /* serial console (ttymxc1,115200) */
 246 #define CONFIG_CONS_INDEX              1
 247 #define CONFIG_BAUDRATE                115200
 248
 249 /* Miscellaneous configurable options */
 250 #define CONFIG_SYS_LONGHELP
 251 #define CONFIG_SYS_HUSH_PARSER
 252 #define CONFIG_SYS_PROMPT                    "Ventana > "
 253 #define CONFIG_SYS_CBSIZE                    1024
 254 #define CONFIG_AUTO_COMPLETE
 255 #define CONFIG_CMDLINE_EDITING
 256 #define CONFIG_HWCONFIG
 257
 258 /* Print Buffer Size */
 259 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 260 #define CONFIG_SYS_MAXARGS                 16
 261 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
 262
 263 /* Memory configuration */
 264 #define CONFIG_SYS_MEMTEST_START       0x10000000
 265 #define CONFIG_SYS_MEMTEST_END         0x10010000
 266 #define CONFIG_SYS_MEMTEST_SCRATCH     0x10800000
 267 #define CONFIG_SYS_TEXT_BASE             0x17800000
 268 #define CONFIG_SYS_LOAD_ADDR           0x12000000
 269
 270 /* Physical Memory Map */
 271 #define CONFIG_NR_DRAM_BANKS           1
 272 #define PHYS_SDRAM                     MMDC0_ARB_BASE_ADDR
 273 #define CONFIG_SYS_SDRAM_BASE          PHYS_SDRAM
 274 #define CONFIG_SYS_INIT_RAM_ADDR       IRAM_BASE_ADDR
 275 #define CONFIG_SYS_INIT_RAM_SIZE       IRAM_SIZE
 276
 277 #define CONFIG_SYS_INIT_SP_OFFSET \
 278         (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
 279 #define CONFIG_SYS_INIT_SP_ADDR \
 280         (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
 281
 282 /* FLASH and environment organization */
 283 #define CONFIG_SYS_NO_FLASH  /* no NOR flash */
 284
 285 /*
 286  * MTD Command for mtdparts
 287  */
 288 #define CONFIG_CMD_MTDPARTS
 289 #define CONFIG_MTD_DEVICE
 290 #define CONFIG_MTD_PARTITIONS
 291 #ifdef CONFIG_SPI_FLASH
 292 #define MTDIDS_DEFAULT    "nor0=nor"
 293 #define MTDPARTS_DEFAULT  \
 294         "mtdparts=nor:512k(uboot),64k(env),2m(kernel),-(rootfs)"
 295 #else
 296 #define MTDIDS_DEFAULT    "nand0=nand"
 297 #define MTDPARTS_DEFAULT  "mtdparts=nand:16m(uboot),1m(env),-(rootfs)"
 298 #endif
 299
 300 /* Persistent Environment Config */
 301 #define CONFIG_ENV_OVERWRITE    /* allow to overwrite serial and ethaddr */
 302 #ifdef CONFIG_SPI_FLASH
 303 #define CONFIG_ENV_IS_IN_SPI_FLASH
 304 #else
 305 #define CONFIG_ENV_IS_IN_NAND
 306 #endif
 307 #if defined(CONFIG_ENV_IS_IN_MMC)
 308   #define CONFIG_ENV_OFFSET              (6 * 64 * 1024)
 309   #define CONFIG_ENV_SIZE                (8 * 1024)
 310   #define CONFIG_SYS_MMC_ENV_DEV         0
 311 #elif defined(CONFIG_ENV_IS_IN_NAND)
 312   #define CONFIG_ENV_OFFSET              (16 << 20)
 313   #define CONFIG_ENV_SECT_SIZE           (128 << 10)
 314   #define CONFIG_ENV_SIZE                CONFIG_ENV_SECT_SIZE
 315   #define CONFIG_ENV_OFFSET_REDUND       (CONFIG_ENV_OFFSET + (512 << 10))
 316   #define CONFIG_ENV_SIZE_REDUND         CONFIG_ENV_SIZE
 317 #elif defined(CONFIG_ENV_IS_IN_SPI_FLASH)
 318   #define CONFIG_ENV_OFFSET              (512 * 1024)
 319   #define CONFIG_ENV_SECT_SIZE           (64 * 1024)
 320   #define CONFIG_ENV_SIZE                (8 * 1024)
 321   #define CONFIG_ENV_SPI_BUS             CONFIG_SF_DEFAULT_BUS
 322   #define CONFIG_ENV_SPI_CS              CONFIG_SF_DEFAULT_CS
 323   #define CONFIG_ENV_SPI_MODE            CONFIG_SF_DEFAULT_MODE
 324   #define CONFIG_ENV_SPI_MAX_HZ          CONFIG_SF_DEFAULT_SPEED
 325 #endif
 326
 327 /* Environment */
 328 #define CONFIG_BOOTDELAY          3
 329 #define CONFIG_LOADADDR           CONFIG_SYS_LOAD_ADDR
 330 #define CONFIG_IPADDR             192.168.1.1
 331 #define CONFIG_SERVERIP           192.168.1.146
 332 #define HWCONFIG_DEFAULT \
 333         "hwconfig=rs232;" \
 334         "dio0:mode=gpio;dio1:mode=gpio;dio2:mode=gpio;dio3:mode=gpio\0" \
 335
 336 #define CONFIG_EXTRA_ENV_SETTINGS_COMMON \
 337         "usb_pgood_delay=2000\0" \
 338         "console=ttymxc1\0" \
 339         "bootdevs=usb mmc sata flash\0" \
 340         HWCONFIG_DEFAULT \
 341         "video=\0" \
 342         \
 343         "mtdparts=" MTDPARTS_DEFAULT "\0" \
 344         "mtdids=" MTDIDS_DEFAULT "\0" \
 345         \
 346         "fdt_high=0xffffffff\0" \
 347         "fdt_addr=0x18000000\0" \
 348         "initrd_high=0xffffffff\0" \
 349         "bootdir=boot\0" \
 350         "loadfdt=" \
 351                 "if ${fsload} ${fdt_addr} ${bootdir}/${fdt_file}; then " \
 352                         "echo Loaded DTB from ${bootdir}/${fdt_file}; " \
 353                 "elif ${fsload} ${fdt_addr} ${bootdir}/${fdt_file1}; then " \
 354                         "echo Loaded DTB from ${bootdir}/${fdt_file1}; " \
 355                 "elif ${fsload} ${fdt_addr} ${bootdir}/${fdt_file2}; then " \
 356                         "echo Loaded DTB from ${bootdir}/${fdt_file2}; " \
 357                 "fi\0" \
 358         \
 359         "script=6x_bootscript-ventana\0" \
 360         "loadscript=" \
 361                 "if ${fsload} ${loadaddr} ${bootdir}/${script}; then " \
 362                         "source; " \
 363                 "fi\0" \
 364         \
 365         "uimage=uImage\0" \
 366         "mmc_root=/dev/mmcblk0p1 rootfstype=ext4 rootwait rw\0" \
 367         "mmc_boot=" \
 368                 "setenv fsload 'ext2load mmc 0:1'; " \
 369                 "mmc dev 0 && mmc rescan && " \
 370                 "setenv dtype mmc; run loadscript; " \
 371                 "if ${fsload} ${loadaddr} ${bootdir}/${uimage}; then " \
 372                         "setenv bootargs console=${console},${baudrate} " \
 373                                 "root=/dev/mmcblk0p1 rootfstype=ext4 " \
 374                                 "rootwait rw ${video} ${extra}; " \
 375                         "if run loadfdt && fdt addr ${fdt_addr}; then " \
 376                                 "bootm ${loadaddr} - ${fdt_addr}; " \
 377                         "else " \
 378                                 "bootm; " \
 379                         "fi; " \
 380                 "fi\0" \
 381         \
 382         "sata_boot=" \
 383                 "setenv fsload 'ext2load sata 0:1'; sata init && " \
 384                 "setenv dtype sata; run loadscript; " \
 385                 "if ${fsload} ${loadaddr} ${bootdir}/${uimage}; then " \
 386                         "setenv bootargs console=${console},${baudrate} " \
 387                                 "root=/dev/sda1 rootfstype=ext4 " \
 388                                 "rootwait rw ${video} ${extra}; " \
 389                         "if run loadfdt && fdt addr ${fdt_addr}; then " \
 390                                 "bootm ${loadaddr} - ${fdt_addr}; " \
 391                         "else " \
 392                                 "bootm; " \
 393                         "fi; " \
 394                 "fi\0" \
 395         "usb_boot=" \
 396                 "setenv fsload 'ext2load usb 0:1'; usb start && usb dev 0 && " \
 397                 "setenv dtype usb; run loadscript; " \
 398                 "if ${fsload} ${loadaddr} ${bootdir}/${uimage}; then " \
 399                         "setenv bootargs console=${console},${baudrate} " \
 400                                 "root=/dev/sda1 rootfstype=ext4 " \
 401                                 "rootwait rw ${video} ${extra}; " \
 402                         "if run loadfdt && fdt addr ${fdt_addr}; then " \
 403                                 "bootm ${loadaddr} - ${fdt_addr}; " \
 404                         "else " \
 405                                 "bootm; " \
 406                         "fi; " \
 407                 "fi\0"
 408
 409 #ifdef CONFIG_SPI_FLASH
 410         #define CONFIG_EXTRA_ENV_SETTINGS \
 411         CONFIG_EXTRA_ENV_SETTINGS_COMMON \
 412         "image_os=ventana/openwrt-imx6-imx6q-gw5400-a-squashfs.bin\0" \
 413         "image_uboot=ventana/u-boot_spi.imx\0" \
 414         \
 415         "spi_koffset=0x90000\0" \
 416         "spi_klen=0x200000\0" \
 417         \
 418         "spi_updateuboot=echo Updating uboot from " \
 419                 "${serverip}:${image_uboot}...; " \
 420                 "tftpboot ${loadaddr} ${image_uboot} && " \
 421                 "sf probe && sf erase 0 80000 && " \
 422                         "sf write ${loadaddr} 400 ${filesize}\0" \
 423         "spi_update=echo Updating OS from ${serverip}:${image_os} " \
 424                 "to ${spi_koffset} ...; " \
 425                 "tftp ${loadaddr} ${image_os} && " \
 426                 "sf probe && " \
 427                 "sf update ${loadaddr} ${spi_koffset} ${filesize}\0" \
 428         \
 429         "flash_boot=" \
 430                 "if sf probe && " \
 431                 "sf read ${loadaddr} ${spi_koffset} ${spi_klen}; then " \
 432                         "setenv bootargs console=${console},${baudrate} " \
 433                                 "root=/dev/mtdblock3 " \
 434                                 "rootfstype=squashfs,jffs2 " \
 435                                 "${video} ${extra}; " \
 436                         "bootm; " \
 437                 "fi\0"
 438 #else
 439         #define CONFIG_EXTRA_ENV_SETTINGS \
 440         CONFIG_EXTRA_ENV_SETTINGS_COMMON \
 441         \
 442         "image_rootfs=openwrt-imx6-ventana-rootfs.ubi\0" \
 443         "nand_update=echo Updating NAND from ${serverip}:${image_rootfs}...; " \
 444                 "tftp ${loadaddr} ${image_rootfs} && " \
 445                 "nand erase.part rootfs && " \
 446                 "nand write ${loadaddr} rootfs ${filesize}\0" \
 447         \
 448         "flash_boot=" \
 449                 "setenv fsload 'ubifsload'; " \
 450                 "ubi part rootfs; " \
 451                 "if ubi check boot; then " \
 452                         "ubifsmount ubi0:boot; " \
 453                         "setenv root ubi0:rootfs ubi.mtd=2 " \
 454                                 "rootfstype=squashfs,ubifs; " \
 455                         "setenv bootdir; " \
 456                 "elif ubi check rootfs; then " \
 457                         "ubifsmount ubi0:rootfs; " \
 458                         "setenv root ubi0:rootfs ubi.mtd=2 " \
 459                                 "rootfstype=ubifs; " \
 460                 "fi; " \
 461                 "setenv dtype nand; run loadscript; " \
 462                 "if ${fsload} ${loadaddr} ${bootdir}/${uimage}; then " \
 463                         "setenv bootargs console=${console},${baudrate} " \
 464                                 "root=${root} ${video} ${extra}; " \
 465                         "if run loadfdt && fdt addr ${fdt_addr}; then " \
 466                                 "ubifsumount; " \
 467                                 "bootm ${loadaddr} - ${fdt_addr}; " \
 468                         "else " \
 469                                 "ubifsumount; bootm; " \
 470                         "fi; " \
 471                 "fi\0"
 472 #endif
 473
 474 #define CONFIG_BOOTCOMMAND \
 475         "for btype in ${bootdevs}; do " \
 476                 "echo; echo Attempting ${btype} boot...; " \
 477                 "if run ${btype}_boot; then; fi; " \
 478         "done"
 479
 480 /* Device Tree Support */
 481 #define CONFIG_OF_BOARD_SETUP
 482 #define CONFIG_OF_LIBFDT
 483 #define CONFIG_FDT_FIXUP_PARTITIONS
 484
 485 #ifndef CONFIG_SYS_DCACHE_OFF
 486   #define CONFIG_CMD_CACHE
 487 #endif
 488
 489 #endif                         /* __CONFIG_H */