1 /* 2 * siemens am33x common board options 3 * (C) Copyright 2013 Siemens Schweiz AG 4 * (C) Heiko Schocher, DENX Software Engineering, hs@denx.de. 5 * 6 * Based on: 7 * U-Boot file:/include/configs/am335x_evm.h 8 * 9 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ 10 * 11 * SPDX-License-Identifier: GPL-2.0+ 12 */ 13 14 #ifndef __CONFIG_SIEMENS_AM33X_COMMON_H 15 #define __CONFIG_SIEMENS_AM33X_COMMON_H 16 17 #include <asm/arch/omap.h> 18 19 #define CONFIG_DMA_COHERENT 20 #define CONFIG_DMA_COHERENT_SIZE (1 << 20) 21 22 #define CONFIG_ENV_SIZE (0x2000) 23 #define CONFIG_SYS_MALLOC_LEN (16 * 1024 * 1024) 24 #ifdef CONFIG_SIEMENS_MACH_TYPE 25 #define CONFIG_MACH_TYPE CONFIG_SIEMENS_MACH_TYPE 26 #endif 27 28 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 29 #define CONFIG_SETUP_MEMORY_TAGS 30 #define CONFIG_INITRD_TAG 31 32 /* commands to include */ 33 34 #ifndef CONFIG_SPL_BUILD 35 #define CONFIG_ROOTPATH "/opt/eldk" 36 #endif 37 38 #define CONFIG_ENV_OVERWRITE 1 39 40 #define CONFIG_SYS_AUTOLOAD "yes" 41 42 /* Clock Defines */ 43 #define V_OSCK 24000000 /* Clock output from T2 */ 44 #define V_SCLK (V_OSCK) 45 46 /* We set the max number of command args high to avoid HUSH bugs. */ 47 #define CONFIG_SYS_MAXARGS 32 48 49 /* Console I/O Buffer Size */ 50 #define CONFIG_SYS_CBSIZE 1024 51 52 /* Boot Argument Buffer Size */ 53 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 54 55 /* 56 * memtest works on 8 MB in DRAM after skipping 32MB from 57 * start addr of ram disk 58 */ 59 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024)) 60 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ 61 + (8 * 1024 * 1024)) 62 63 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */ 64 65 #define CONFIG_SPI 66 #define CONFIG_MTD_DEVICE 67 #define CONFIG_SF_DEFAULT_SPEED (75000000) 68 69 /* Physical Memory Map */ 70 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 71 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */ 72 73 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1 74 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ 75 GENERATED_GBL_DATA_SIZE) 76 /* Platform/Board specific defs */ 77 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 78 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 79 80 /* NS16550 Configuration */ 81 #ifdef CONFIG_SPL_BUILD 82 #define CONFIG_SYS_NS16550_SERIAL 83 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 84 #endif 85 #define CONFIG_SYS_NS16550_CLK (48000000) 86 #define CONFIG_SYS_NS16550_COM1 0x44e09000 87 #define CONFIG_SYS_NS16550_COM4 0x481a6000 88 89 #define CONFIG_SERIAL1 1 90 91 /* I2C Configuration */ 92 #define CONFIG_I2C 93 #define CONFIG_SYS_I2C 94 95 /* Defines for SPL */ 96 #define CONFIG_SPL_TEXT_BASE 0x402F0400 97 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ 98 CONFIG_SPL_TEXT_BASE) 99 100 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 101 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 102 103 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 104 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 105 106 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 107 108 #define CONFIG_SPL_NAND_BASE 109 #define CONFIG_SPL_NAND_DRIVERS 110 #define CONFIG_SPL_NAND_ECC 111 #define CONFIG_SYS_NAND_ONFI_DETECTION 112 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 113 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 114 CONFIG_SYS_NAND_PAGE_SIZE) 115 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 116 #define CONFIG_SYS_NAND_OOBSIZE 64 117 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 118 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 119 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 120 10, 11, 12, 13, 14, 15, 16, 17, \ 121 18, 19, 20, 21, 22, 23, 24, 25, \ 122 26, 27, 28, 29, 30, 31, 32, 33, \ 123 34, 35, 36, 37, 38, 39, 40, 41, \ 124 42, 43, 44, 45, 46, 47, 48, 49, \ 125 50, 51, 52, 53, 54, 55, 56, 57, } 126 127 #define CONFIG_SYS_NAND_ECCSIZE 512 128 #define CONFIG_SYS_NAND_ECCBYTES 14 129 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW 130 131 #define CONFIG_SYS_NAND_ECCSTEPS 4 132 #define CONFIG_SYS_NAND_ECCTOTAL (CONFIG_SYS_NAND_ECCBYTES * \ 133 CONFIG_SYS_NAND_ECCSTEPS) 134 135 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 136 137 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 138 139 /* 140 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 141 * 64 bytes before this address should be set aside for u-boot.img's 142 * header. That is 0x800FFFC0--0x80100000 should not be used for any 143 * other needs. 144 */ 145 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 146 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 147 148 /* 149 * Since SPL did pll and ddr initialization for us, 150 * we don't need to do it twice. 151 */ 152 #ifndef CONFIG_SPL_BUILD 153 #define CONFIG_SKIP_LOWLEVEL_INIT 154 #endif 155 156 #ifndef CONFIG_SPL_BUILD 157 /* 158 * USB configuration 159 */ 160 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT 161 162 #define CONFIG_AM335X_USB0 163 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 164 #define CONFIG_AM335X_USB1 165 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 166 167 /* USB DRACO ID as default */ 168 #define CONFIG_USBD_HS 169 170 /* USB Device Firmware Update support */ 171 #define CONFIG_SYS_DFU_DATA_BUF_SIZE (1 << 20) 172 #define DFU_MANIFEST_POLL_TIMEOUT 25000 173 174 #endif /* CONFIG_SPL_BUILD */ 175 176 /* 177 * Default to using SPI for environment, etc. We have multiple copies 178 * of SPL as the ROM will check these locations. 179 * 0x0 - 0x20000 : First copy of SPL 180 * 0x20000 - 0x40000 : Second copy of SPL 181 * 0x40000 - 0x60000 : Third copy of SPL 182 * 0x60000 - 0x80000 : Fourth copy of SPL 183 * 0x80000 - 0xDF000 : U-Boot 184 * 0xDF000 - 0xE0000 : U-Boot Environment 185 * 0xE0000 - 0x442000 : Linux Kernel 186 * 0x442000 - 0x800000 : Userland 187 */ 188 #if defined(CONFIG_SPI_BOOT) 189 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 190 # define CONFIG_ENV_OFFSET (892 << 10) /* 892 KiB in */ 191 # define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 192 #endif /* SPI support */ 193 194 #define CONFIG_MII 195 #define CONFIG_BOOTP_DEFAULT 196 #define CONFIG_BOOTP_DNS2 197 #define CONFIG_BOOTP_SEND_HOSTNAME 198 #define CONFIG_NET_RETRY_COUNT 10 199 200 /* NAND support */ 201 #ifdef CONFIG_NAND 202 /* UBI Support */ 203 #ifndef CONFIG_SPL_BUILD 204 #define CONFIG_MTD_PARTITIONS 205 #define CONFIG_MTD_DEVICE 206 #endif 207 208 /* Commen environment */ 209 #define CONFIG_PREBOOT 210 #define COMMON_ENV_DFU_ARGS "dfu_args=run bootargs_defaults;" \ 211 "setenv bootargs ${bootargs};" \ 212 "mtdparts default;" \ 213 "draco_led 1;" \ 214 "dfu 0 nand 0;" \ 215 "draco_led 0;\0" \ 216 217 #define COMMON_ENV_NAND_BOOT \ 218 "nand_boot=echo Booting from nand; " \ 219 "if test ${upgrade_available} -eq 1; then " \ 220 "if test ${bootcount} -gt ${bootlimit}; " \ 221 "then " \ 222 "setenv upgrade_available 0;" \ 223 "setenv ${partitionset_active} true;" \ 224 "if test -n ${A}; then " \ 225 "setenv partitionset_active B; " \ 226 "env delete A; " \ 227 "fi;" \ 228 "if test -n ${B}; then " \ 229 "setenv partitionset_active A; " \ 230 "env delete B; " \ 231 "fi;" \ 232 "saveenv; " \ 233 "fi;" \ 234 "fi;" \ 235 "echo set ${partitionset_active}...;" \ 236 "run nand_args; " 237 238 #define COMMON_ENV_NAND_CMDS "flash_self=run nand_boot\0" \ 239 "flash_self_test=setenv testargs test; " \ 240 "run nand_boot\0" \ 241 "dfu_start=echo Preparing for dfu mode ...; " \ 242 "run dfu_args; \0" 243 244 #define COMMON_ENV_SETTINGS \ 245 "verify=no \0" \ 246 "project_dir=targetdir\0" \ 247 "upgrade_available=0\0" \ 248 "altbootcmd=run bootcmd\0" \ 249 "bootlimit=3\0" \ 250 "partitionset_active=A\0" \ 251 "loadaddr=0x82000000\0" \ 252 "kloadaddr=0x81000000\0" \ 253 "script_addr=0x81900000\0" \ 254 "console=console=ttyMTD,mtdoops console=ttyO0,115200n8 panic=5\0" \ 255 "nfsopts=nolock rw\0" \ 256 "ip_method=none\0" \ 257 "bootenv=uEnv.txt\0" \ 258 "bootargs_defaults=setenv bootargs " \ 259 "console=${console} " \ 260 "${testargs} " \ 261 "${optargs}\0" \ 262 "siemens_help=echo; "\ 263 "echo Type 'run flash_self' to use kernel and root " \ 264 "filesystem on memory; echo Type 'run flash_self_test' to " \ 265 "use kernel and root filesystem on memory, boot in test " \ 266 "mode; echo Not ready yet: 'run flash_nfs' to use kernel " \ 267 "from memory and root filesystem over NFS; echo Type " \ 268 "'run net_nfs' to get Kernel over TFTP and mount root " \ 269 "filesystem over NFS; " \ 270 "echo Set partitionset_active variable to 'A' " \ 271 "or 'B' to select kernel and rootfs partition; " \ 272 "echo" \ 273 "\0" 274 275 /* 276 * Variant 1 partition layout 277 * chip-size = 256MiB 278 *| name | size | address area | 279 *------------------------------------------------------- 280 *| spl | 128.000 KiB | 0x 0..0x 1ffff | 281 *| spl.backup1 | 128.000 KiB | 0x 20000..0x 3ffff | 282 *| spl.backup2 | 128.000 KiB | 0x 40000..0x 5ffff | 283 *| spl.backup3 | 128.000 KiB | 0x 60000..0x 7ffff | 284 *| u-boot | 1.875 MiB | 0x 80000..0x 25ffff | 285 *| uboot.env | 128.000 KiB | 0x 260000..0x 27ffff | 286 *| kernel_a | 5.000 MiB | 0x 280000..0x 77ffff | 287 *| kernel_b | 5.000 MiB | 0x 780000..0x c7ffff | 288 *| mtdoops | 8.000 MiB | 0x c80000..0x 147ffff | 289 *| rootfs | 235.500 MiB | 0x 1480000..0x fffffff | 290 *------------------------------------------------------- 291 292 "mtdparts=omap2-nand.0:" \ 293 "128k(spl)," \ 294 "128k(spl.backup1)," \ 295 "128k(spl.backup2)," \ 296 "128k(spl.backup3)," \ 297 "1920k(u-boot)," \ 298 "128k(uboot.env)," \ 299 "5120k(kernel_a)," \ 300 "5120k(kernel_b)," \ 301 "8192k(mtdoops)," \ 302 "-(rootfs)" 303 */ 304 305 #define DFU_ALT_INFO_NAND_V1 \ 306 "spl part 0 1;" \ 307 "spl.backup1 part 0 2;" \ 308 "spl.backup2 part 0 3;" \ 309 "spl.backup3 part 0 4;" \ 310 "u-boot part 0 5;" \ 311 "u-boot.env part 0 6;" \ 312 "kernel_a part 0 7;" \ 313 "kernel_b part 0 8;" \ 314 "rootfs partubi 0 10" 315 316 #define CONFIG_ENV_SETTINGS_NAND_V1 \ 317 "nand_active_ubi_vol=rootfs_a\0" \ 318 "nand_active_ubi_vol_A=rootfs_a\0" \ 319 "nand_active_ubi_vol_B=rootfs_b\0" \ 320 "nand_root_fs_type=ubifs rootwait=1\0" \ 321 "nand_src_addr=0x280000\0" \ 322 "nand_src_addr_A=0x280000\0" \ 323 "nand_src_addr_B=0x780000\0" \ 324 "nand_args=run bootargs_defaults;" \ 325 "mtdparts default;" \ 326 "setenv ${partitionset_active} true;" \ 327 "if test -n ${A}; then " \ 328 "setenv nand_active_ubi_vol ${nand_active_ubi_vol_A};" \ 329 "setenv nand_src_addr ${nand_src_addr_A};" \ 330 "fi;" \ 331 "if test -n ${B}; then " \ 332 "setenv nand_active_ubi_vol ${nand_active_ubi_vol_B};" \ 333 "setenv nand_src_addr ${nand_src_addr_B};" \ 334 "fi;" \ 335 "setenv nand_root ubi0:${nand_active_ubi_vol} rw " \ 336 "ubi.mtd=9,${ubi_off};" \ 337 "setenv bootargs ${bootargs} " \ 338 "root=${nand_root} noinitrd ${mtdparts} " \ 339 "rootfstype=${nand_root_fs_type} ip=${ip_method} " \ 340 "console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \ 341 "=mtdoops\0" \ 342 COMMON_ENV_DFU_ARGS \ 343 "dfu_alt_info=" DFU_ALT_INFO_NAND_V1 "\0" \ 344 COMMON_ENV_NAND_BOOT \ 345 "nand read.i ${kloadaddr} ${nand_src_addr} " \ 346 "${nand_img_size}; bootm ${kloadaddr}\0" \ 347 COMMON_ENV_NAND_CMDS 348 349 #define CONFIG_ENV_SETTINGS_V1 \ 350 COMMON_ENV_SETTINGS \ 351 "net_args=run bootargs_defaults;" \ 352 "mtdparts default;" \ 353 "setenv bootfile ${project_dir}/kernel/uImage;" \ 354 "setenv rootpath /home/projects/${project_dir}/rootfs;" \ 355 "setenv bootargs ${bootargs} " \ 356 "root=/dev/nfs ${mtdparts} " \ 357 "nfsroot=${serverip}:${rootpath},${nfsopts} " \ 358 "ip=${ipaddr}:${serverip}:" \ 359 "${gatewayip}:${netmask}:${hostname}:eth0:off\0" \ 360 "net_nfs=echo Booting from network ...; " \ 361 "run net_args; " \ 362 "tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \ 363 "bootm ${kloadaddr}\0" 364 365 /* 366 * Variant 2 partition layout (default) 367 * chip-size = 256MiB or 512 MiB 368 *| name | size | address area | 369 *------------------------------------------------------- 370 *| spl | 128.000 KiB | 0x 0..0x 1ffff | 371 *| spl.backup1 | 128.000 KiB | 0x 20000..0x 3ffff | 372 *| spl.backup2 | 128.000 KiB | 0x 40000..0x 5ffff | 373 *| spl.backup3 | 128.000 KiB | 0x 60000..0x 7ffff | 374 *| u-boot | 1.875 MiB | 0x 80000..0x 25ffff | 375 *| uboot.env0 | 512.000 KiB | 0x 260000..0x 2Dffff | 376 *| uboot.env1 | 512.000 KiB | 0x 2E0000..0x 35ffff | 377 *| mtdoops | 512.000 KiB | 0x 360000..0x 3dffff | 378 *| (256) rootfs | 252.125 MiB | 0x 3E0000..0x fffffff | 379 *| (512) rootfs | 508.125 MiB | 0x 3E0000..0x1fffffff | 380 *------------------------------------------------------- 381 */ 382 383 #define DFU_ALT_INFO_NAND_V2 \ 384 "spl part 0 1;" \ 385 "spl.backup1 part 0 2;" \ 386 "spl.backup2 part 0 3;" \ 387 "spl.backup3 part 0 4;" \ 388 "u-boot part 0 5;" \ 389 "u-boot.env0 part 0 6;" \ 390 "u-boot.env1 part 0 7;" \ 391 "rootfs partubi 0 9" \ 392 393 #define CONFIG_ENV_SETTINGS_NAND_V2 \ 394 "nand_active_ubi_vol=rootfs_a\0" \ 395 "rootfs_name=rootfs\0" \ 396 "kernel_name=uImage\0"\ 397 "nand_root_fs_type=ubifs rootwait=1\0" \ 398 "nand_args=run bootargs_defaults;" \ 399 "mtdparts default;" \ 400 "setenv ${partitionset_active} true;" \ 401 "if test -n ${A}; then " \ 402 "setenv nand_active_ubi_vol ${rootfs_name}_a;" \ 403 "fi;" \ 404 "if test -n ${B}; then " \ 405 "setenv nand_active_ubi_vol ${rootfs_name}_b;" \ 406 "fi;" \ 407 "setenv nand_root ubi0:${nand_active_ubi_vol} rw " \ 408 "ubi.mtd=rootfs,2048;" \ 409 "setenv bootargs ${bootargs} " \ 410 "root=${nand_root} noinitrd ${mtdparts} " \ 411 "rootfstype=${nand_root_fs_type} ip=${ip_method} " \ 412 "console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \ 413 "=mtdoops\0" \ 414 COMMON_ENV_DFU_ARGS \ 415 "dfu_alt_info=" DFU_ALT_INFO_NAND_V2 "\0" \ 416 COMMON_ENV_NAND_BOOT \ 417 "ubi part rootfs ${ubi_off};" \ 418 "ubifsmount ubi0:${nand_active_ubi_vol};" \ 419 "ubifsload ${kloadaddr} boot/${kernel_name};" \ 420 "ubifsload ${loadaddr} boot/${dtb_name}.dtb;" \ 421 "bootm ${kloadaddr} - ${loadaddr}\0" \ 422 "nand_boot_backup=ubifsload ${loadaddr} boot/am335x-draco.dtb;" \ 423 "bootm ${kloadaddr} - ${loadaddr}\0" \ 424 COMMON_ENV_NAND_CMDS 425 426 #define CONFIG_ENV_SETTINGS_V2 \ 427 COMMON_ENV_SETTINGS \ 428 "net_args=run bootargs_defaults;" \ 429 "mtdparts default;" \ 430 "setenv bootfile ${project_dir}/kernel/uImage;" \ 431 "setenv bootdtb ${project_dir}/kernel/dtb;" \ 432 "setenv rootpath /home/projects/${project_dir}/rootfs;" \ 433 "setenv bootargs ${bootargs} " \ 434 "root=/dev/nfs ${mtdparts} " \ 435 "nfsroot=${serverip}:${rootpath},${nfsopts} " \ 436 "ip=${ipaddr}:${serverip}:" \ 437 "${gatewayip}:${netmask}:${hostname}:eth0:off\0" \ 438 "net_nfs=echo Booting from network ...; " \ 439 "run net_args; " \ 440 "tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \ 441 "tftpboot ${loadaddr} ${serverip}:${bootdtb}; " \ 442 "bootm ${kloadaddr} - ${loadaddr}\0" 443 444 /* 445 * Variant 3 partition layout 446 * chip-size = 512MiB 447 *| name | size | address area | 448 *------------------------------------------------------- 449 *| spl | 128.000 KiB | 0x 0..0x 1ffff | 450 *| spl.backup1 | 128.000 KiB | 0x 20000..0x 3ffff | 451 *| spl.backup2 | 128.000 KiB | 0x 40000..0x 5ffff | 452 *| spl.backup3 | 128.000 KiB | 0x 60000..0x 7ffff | 453 *| u-boot | 1.875 MiB | 0x 80000..0x 25ffff | 454 *| uboot.env0 | 512.000 KiB | 0x 260000..0x 2Dffff | 455 *| uboot.env1 | 512.000 KiB | 0x 2E0000..0x 35ffff | 456 *| rootfs | 300.000 MiB | 0x 360000..0x12f5ffff | 457 *| mtdoops | 512.000 KiB | 0x12f60000..0x12fdffff | 458 *|configuration | 104.125 MiB | 0x12fe0000..0x1fffffff | 459 *------------------------------------------------------- 460 461 "mtdparts=omap2-nand.0:" \ 462 "128k(spl)," \ 463 "128k(spl.backup1)," \ 464 "128k(spl.backup2)," \ 465 "128k(spl.backup3)," \ 466 "1920k(u-boot)," \ 467 "512k(u-boot.env0)," \ 468 "512k(u-boot.env1)," \ 469 "300m(rootfs)," \ 470 "512k(mtdoops)," \ 471 "-(configuration)" 472 473 */ 474 475 #define CONFIG_SYS_NAND_BASE (0x08000000) /* physical address */ 476 /* to access nand at */ 477 /* CS0 */ 478 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND 479 devices */ 480 #if !defined(CONFIG_SPI_BOOT) 481 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */ 482 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 483 #endif 484 #endif 485 486 /* Reboot after 60 sec if bootcmd fails */ 487 #define CONFIG_RESET_TO_RETRY 488 #define CONFIG_BOOT_RETRY_TIME 60 489 490 #endif /* ! __CONFIG_SIEMENS_AM33X_COMMON_H */ 491