1 /* 2 * am335x_evm.h 3 * 4 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation version 2. 9 * 10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any 11 * kind, whether express or implied; without even the implied warranty 12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 */ 15 16 #ifndef __CONFIG_AM335X_EVM_H 17 #define __CONFIG_AM335X_EVM_H 18 19 #include <configs/ti_am335x_common.h> 20 21 #ifndef CONFIG_SPL_BUILD 22 # define CONFIG_FIT 23 # define CONFIG_TIMESTAMP 24 # define CONFIG_LZO 25 # ifdef CONFIG_ENABLE_VBOOT 26 # define CONFIG_OF_CONTROL 27 # define CONFIG_OF_SEPARATE 28 # define CONFIG_DEFAULT_DEVICE_TREE am335x-boneblack 29 # define CONFIG_FIT_SIGNATURE 30 # define CONFIG_RSA 31 # endif 32 #endif 33 34 #define CONFIG_SYS_BOOTM_LEN (16 << 20) 35 36 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */ 37 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM 38 #define CONFIG_BOARD_LATE_INIT 39 40 /* Clock Defines */ 41 #define V_OSCK 24000000 /* Clock output from T2 */ 42 #define V_SCLK (V_OSCK) 43 44 /* Custom script for NOR */ 45 #define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds" 46 47 /* Always 128 KiB env size */ 48 #define CONFIG_ENV_SIZE (128 << 10) 49 50 /* Enhance our eMMC support / experience. */ 51 #define CONFIG_CMD_GPT 52 #define CONFIG_EFI_PARTITION 53 #define CONFIG_PARTITION_UUIDS 54 #define CONFIG_CMD_PART 55 56 #ifdef CONFIG_NAND 57 #define NANDARGS \ 58 "mtdids=" MTDIDS_DEFAULT "\0" \ 59 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 60 "nandargs=setenv bootargs console=${console} " \ 61 "${optargs} " \ 62 "root=${nandroot} " \ 63 "rootfstype=${nandrootfstype}\0" \ 64 "nandroot=ubi0:rootfs rw ubi.mtd=9,2048\0" \ 65 "nandrootfstype=ubifs rootwait=1\0" \ 66 "nandboot=echo Booting from nand ...; " \ 67 "run nandargs; " \ 68 "nand read ${fdtaddr} u-boot-spl-os; " \ 69 "nand read ${loadaddr} kernel; " \ 70 "bootz ${loadaddr} - ${fdtaddr}\0" 71 #else 72 #define NANDARGS "" 73 #endif 74 75 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 76 77 #ifndef CONFIG_SPL_BUILD 78 #define CONFIG_EXTRA_ENV_SETTINGS \ 79 DEFAULT_LINUX_BOOT_ENV \ 80 "boot_fdt=try\0" \ 81 "bootpart=0:2\0" \ 82 "bootdir=/boot\0" \ 83 "bootfile=zImage\0" \ 84 "fdtfile=undefined\0" \ 85 "console=ttyO0,115200n8\0" \ 86 "partitions=" \ 87 "uuid_disk=${uuid_gpt_disk};" \ 88 "name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \ 89 "optargs=\0" \ 90 "mmcdev=0\0" \ 91 "mmcroot=/dev/mmcblk0p2 ro\0" \ 92 "mmcrootfstype=ext4 rootwait\0" \ 93 "rootpath=/export/rootfs\0" \ 94 "nfsopts=nolock\0" \ 95 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \ 96 "::off\0" \ 97 "ramroot=/dev/ram0 rw\0" \ 98 "ramrootfstype=ext2\0" \ 99 "mmcargs=setenv bootargs console=${console} " \ 100 "${optargs} " \ 101 "root=${mmcroot} " \ 102 "rootfstype=${mmcrootfstype}\0" \ 103 "spiroot=/dev/mtdblock4 rw\0" \ 104 "spirootfstype=jffs2\0" \ 105 "spisrcaddr=0xe0000\0" \ 106 "spiimgsize=0x362000\0" \ 107 "spibusno=0\0" \ 108 "spiargs=setenv bootargs console=${console} " \ 109 "${optargs} " \ 110 "root=${spiroot} " \ 111 "rootfstype=${spirootfstype}\0" \ 112 "netargs=setenv bootargs console=${console} " \ 113 "${optargs} " \ 114 "root=/dev/nfs " \ 115 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \ 116 "ip=dhcp\0" \ 117 "bootenv=uEnv.txt\0" \ 118 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 119 "importbootenv=echo Importing environment from mmc ...; " \ 120 "env import -t -r $loadaddr $filesize\0" \ 121 "ramargs=setenv bootargs console=${console} " \ 122 "${optargs} " \ 123 "root=${ramroot} " \ 124 "rootfstype=${ramrootfstype}\0" \ 125 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 126 "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 127 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 128 "mmcloados=run mmcargs; " \ 129 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 130 "if run loadfdt; then " \ 131 "bootz ${loadaddr} - ${fdtaddr}; " \ 132 "else " \ 133 "if test ${boot_fdt} = try; then " \ 134 "bootz; " \ 135 "else " \ 136 "echo WARN: Cannot load the DT; " \ 137 "fi; " \ 138 "fi; " \ 139 "else " \ 140 "bootz; " \ 141 "fi;\0" \ 142 "mmcboot=mmc dev ${mmcdev}; " \ 143 "if mmc rescan; then " \ 144 "echo SD/MMC found on device ${mmcdev};" \ 145 "if run loadbootenv; then " \ 146 "echo Loaded environment from ${bootenv};" \ 147 "run importbootenv;" \ 148 "fi;" \ 149 "if test -n $uenvcmd; then " \ 150 "echo Running uenvcmd ...;" \ 151 "run uenvcmd;" \ 152 "fi;" \ 153 "if run loadimage; then " \ 154 "run mmcloados;" \ 155 "fi;" \ 156 "fi;\0" \ 157 "spiboot=echo Booting from spi ...; " \ 158 "run spiargs; " \ 159 "sf probe ${spibusno}:0; " \ 160 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \ 161 "bootz ${loadaddr}\0" \ 162 "netboot=echo Booting from network ...; " \ 163 "setenv autoload no; " \ 164 "dhcp; " \ 165 "tftp ${loadaddr} ${bootfile}; " \ 166 "tftp ${fdtaddr} ${fdtfile}; " \ 167 "run netargs; " \ 168 "bootz ${loadaddr} - ${fdtaddr}\0" \ 169 "ramboot=echo Booting from ramdisk ...; " \ 170 "run ramargs; " \ 171 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ 172 "findfdt="\ 173 "if test $board_name = A335BONE; then " \ 174 "setenv fdtfile am335x-bone.dtb; fi; " \ 175 "if test $board_name = A335BNLT; then " \ 176 "setenv fdtfile am335x-boneblack.dtb; fi; " \ 177 "if test $board_name = A33515BB; then " \ 178 "setenv fdtfile am335x-evm.dtb; fi; " \ 179 "if test $board_name = A335X_SK; then " \ 180 "setenv fdtfile am335x-evmsk.dtb; fi; " \ 181 "if test $fdtfile = undefined; then " \ 182 "echo WARNING: Could not determine device tree to use; fi; \0" \ 183 NANDARGS \ 184 DFUARGS 185 #endif 186 187 #define CONFIG_BOOTCOMMAND \ 188 "run findfdt; " \ 189 "run mmcboot;" \ 190 "setenv mmcdev 1; " \ 191 "setenv bootpart 1:2; " \ 192 "run mmcboot;" \ 193 "run nandboot;" 194 195 /* NS16550 Configuration */ 196 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 197 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 198 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 199 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 200 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 201 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 202 #define CONFIG_BAUDRATE 115200 203 204 #define CONFIG_CMD_EEPROM 205 #define CONFIG_ENV_EEPROM_IS_ON_I2C 206 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 207 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 208 #define CONFIG_SYS_I2C_MULTI_EEPROMS 209 210 /* PMIC support */ 211 #define CONFIG_POWER_TPS65217 212 #define CONFIG_POWER_TPS65910 213 214 /* SPL */ 215 #ifndef CONFIG_NOR_BOOT 216 #define CONFIG_SPL_POWER_SUPPORT 217 #define CONFIG_SPL_YMODEM_SUPPORT 218 219 /* Bootcount using the RTC block */ 220 #define CONFIG_BOOTCOUNT_LIMIT 221 #define CONFIG_BOOTCOUNT_AM33XX 222 223 /* USB gadget RNDIS */ 224 #define CONFIG_SPL_MUSB_NEW_SUPPORT 225 226 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds" 227 #endif 228 229 #ifdef CONFIG_NAND 230 /* NAND: device related configs */ 231 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 232 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 233 CONFIG_SYS_NAND_PAGE_SIZE) 234 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 235 #define CONFIG_SYS_NAND_OOBSIZE 64 236 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 237 /* NAND: driver related configs */ 238 #define CONFIG_NAND_OMAP_GPMC 239 #define CONFIG_NAND_OMAP_ELM 240 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 241 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 242 10, 11, 12, 13, 14, 15, 16, 17, \ 243 18, 19, 20, 21, 22, 23, 24, 25, \ 244 26, 27, 28, 29, 30, 31, 32, 33, \ 245 34, 35, 36, 37, 38, 39, 40, 41, \ 246 42, 43, 44, 45, 46, 47, 48, 49, \ 247 50, 51, 52, 53, 54, 55, 56, 57, } 248 249 #define CONFIG_SYS_NAND_ECCSIZE 512 250 #define CONFIG_SYS_NAND_ECCBYTES 14 251 #define CONFIG_SYS_NAND_ONFI_DETECTION 252 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW 253 #define MTDIDS_DEFAULT "nand0=nand.0" 254 #define MTDPARTS_DEFAULT "mtdparts=nand.0:" \ 255 "128k(NAND.SPL)," \ 256 "128k(NAND.SPL.backup1)," \ 257 "128k(NAND.SPL.backup2)," \ 258 "128k(NAND.SPL.backup3)," \ 259 "256k(NAND.u-boot-spl-os)," \ 260 "1m(NAND.u-boot)," \ 261 "128k(NAND.u-boot-env)," \ 262 "128k(NAND.u-boot-env.backup1)," \ 263 "8m(NAND.kernel)," \ 264 "-(NAND.rootfs)" 265 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000 266 #undef CONFIG_ENV_IS_NOWHERE 267 #define CONFIG_ENV_IS_IN_NAND 268 #define CONFIG_ENV_OFFSET 0x001c0000 269 #define CONFIG_ENV_OFFSET_REDUND 0x001e0000 270 #define CONFIG_SYS_ENV_SECT_SIZE CONFIG_SYS_NAND_BLOCK_SIZE 271 /* NAND: SPL related configs */ 272 #ifdef CONFIG_SPL_NAND_SUPPORT 273 #define CONFIG_SPL_NAND_AM33XX_BCH 274 #endif 275 #ifdef CONFIG_SPL_OS_BOOT 276 #define CONFIG_CMD_SPL_NAND_OFS 0x00080000 /* os parameters */ 277 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */ 278 #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000 279 #endif 280 #endif /* !CONFIG_NAND */ 281 282 /* 283 * For NOR boot, we must set this to the start of where NOR is mapped 284 * in memory. 285 */ 286 #ifdef CONFIG_NOR_BOOT 287 #define CONFIG_SYS_TEXT_BASE 0x08000000 288 #endif 289 290 /* 291 * USB configuration. We enable MUSB support, both for host and for 292 * gadget. We set USB0 as peripheral and USB1 as host, based on the 293 * board schematic and physical port wired to each. Then for host we 294 * add mass storage support and for gadget we add both RNDIS ethernet 295 * and DFU. 296 */ 297 #define CONFIG_USB_MUSB_DSPS 298 #define CONFIG_ARCH_MISC_INIT 299 #define CONFIG_MUSB_GADGET 300 #define CONFIG_MUSB_PIO_ONLY 301 #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT 302 #define CONFIG_USB_GADGET 303 #define CONFIG_USBDOWNLOAD_GADGET 304 #define CONFIG_USB_GADGET_DUALSPEED 305 #define CONFIG_USB_GADGET_VBUS_DRAW 2 306 #define CONFIG_MUSB_HOST 307 #define CONFIG_AM335X_USB0 308 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 309 #define CONFIG_AM335X_USB1 310 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 311 312 #ifdef CONFIG_MUSB_HOST 313 #define CONFIG_CMD_USB 314 #define CONFIG_USB_STORAGE 315 #endif 316 317 #ifdef CONFIG_MUSB_GADGET 318 #define CONFIG_USB_ETHER 319 #define CONFIG_USB_ETH_RNDIS 320 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00" 321 322 /* USB TI's IDs */ 323 #define CONFIG_G_DNL_VENDOR_NUM 0x0403 324 #define CONFIG_G_DNL_PRODUCT_NUM 0xBD00 325 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments" 326 #endif /* CONFIG_MUSB_GADGET */ 327 328 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT) 329 /* disable host part of MUSB in SPL */ 330 #undef CONFIG_MUSB_HOST 331 /* disable EFI partitions and partition UUID support */ 332 #undef CONFIG_PARTITION_UUIDS 333 #undef CONFIG_EFI_PARTITION 334 /* General network SPL */ 335 #define CONFIG_SPL_NET_SUPPORT 336 #define CONFIG_SPL_ENV_SUPPORT 337 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL" 338 #endif 339 340 /* USB Device Firmware Update support */ 341 #ifndef CONFIG_SPL_BUILD 342 #define CONFIG_DFU_FUNCTION 343 #define CONFIG_DFU_MMC 344 #define CONFIG_CMD_DFU 345 #define DFU_ALT_INFO_MMC \ 346 "dfu_alt_info_mmc=" \ 347 "boot part 0 1;" \ 348 "rootfs part 0 2;" \ 349 "MLO fat 0 1;" \ 350 "MLO.raw mmc 0x100 0x100;" \ 351 "u-boot.img.raw mmc 0x300 0x400;" \ 352 "spl-os-args.raw mmc 0x80 0x80;" \ 353 "spl-os-image.raw mmc 0x900 0x2000;" \ 354 "spl-os-args fat 0 1;" \ 355 "spl-os-image fat 0 1;" \ 356 "u-boot.img fat 0 1;" \ 357 "uEnv.txt fat 0 1\0" 358 #ifdef CONFIG_NAND 359 #define CONFIG_DFU_NAND 360 #define DFU_ALT_INFO_NAND \ 361 "dfu_alt_info_nand=" \ 362 "SPL part 0 1;" \ 363 "SPL.backup1 part 0 2;" \ 364 "SPL.backup2 part 0 3;" \ 365 "SPL.backup3 part 0 4;" \ 366 "u-boot part 0 5;" \ 367 "u-boot-spl-os part 0 6;" \ 368 "kernel part 0 8;" \ 369 "rootfs part 0 9\0" 370 #else 371 #define DFU_ALT_INFO_NAND "" 372 #endif 373 #define CONFIG_DFU_RAM 374 #define DFU_ALT_INFO_RAM \ 375 "dfu_alt_info_ram=" \ 376 "kernel ram 0x80200000 0xD80000;" \ 377 "fdt ram 0x80F80000 0x80000;" \ 378 "ramdisk ram 0x81000000 0x4000000\0" 379 #define DFUARGS \ 380 "dfu_alt_info_emmc=rawemmc mmc 0 3751936\0" \ 381 DFU_ALT_INFO_MMC \ 382 DFU_ALT_INFO_RAM \ 383 DFU_ALT_INFO_NAND 384 #endif 385 386 /* 387 * Default to using SPI for environment, etc. 388 * 0x000000 - 0x020000 : SPL (128KiB) 389 * 0x020000 - 0x0A0000 : U-Boot (512KiB) 390 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB) 391 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB) 392 * 0x0E0000 - 0x442000 : Linux Kernel 393 * 0x442000 - 0x800000 : Userland 394 */ 395 #if defined(CONFIG_SPI_BOOT) 396 /* SPL related */ 397 #undef CONFIG_SPL_OS_BOOT /* Not supported by existing map */ 398 #define CONFIG_SPL_SPI_SUPPORT 399 #define CONFIG_SPL_SPI_FLASH_SUPPORT 400 #define CONFIG_SPL_SPI_LOAD 401 #define CONFIG_SPL_SPI_BUS 0 402 #define CONFIG_SPL_SPI_CS 0 403 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 404 405 #define CONFIG_ENV_IS_IN_SPI_FLASH 406 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 407 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 408 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 409 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */ 410 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */ 411 #define MTDIDS_DEFAULT "nor0=m25p80-flash.0" 412 #define MTDPARTS_DEFAULT "mtdparts=m25p80-flash.0:128k(SPL)," \ 413 "512k(u-boot),128k(u-boot-env1)," \ 414 "128k(u-boot-env2),3464k(kernel)," \ 415 "-(rootfs)" 416 #elif defined(CONFIG_EMMC_BOOT) 417 #undef CONFIG_ENV_IS_NOWHERE 418 #define CONFIG_ENV_IS_IN_MMC 419 #define CONFIG_SPL_ENV_SUPPORT 420 #define CONFIG_SYS_MMC_ENV_DEV 1 421 #define CONFIG_SYS_MMC_ENV_PART 2 422 #define CONFIG_ENV_OFFSET 0x0 423 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) 424 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 425 #endif 426 427 /* SPI flash. */ 428 #define CONFIG_CMD_SF 429 #define CONFIG_SPI_FLASH 430 #define CONFIG_SPI_FLASH_WINBOND 431 #define CONFIG_SF_DEFAULT_SPEED 24000000 432 433 /* Network. */ 434 #define CONFIG_PHY_GIGE 435 #define CONFIG_PHYLIB 436 #define CONFIG_PHY_SMSC 437 438 /* 439 * NOR Size = 16 MiB 440 * Number of Sectors/Blocks = 128 441 * Sector Size = 128 KiB 442 * Word length = 16 bits 443 * Default layout: 444 * 0x000000 - 0x07FFFF : U-Boot (512 KiB) 445 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB) 446 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB) 447 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB) 448 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB) 449 */ 450 #if defined(CONFIG_NOR) 451 #undef CONFIG_SYS_NO_FLASH 452 #define CONFIG_CMD_FLASH 453 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 454 #define CONFIG_SYS_FLASH_PROTECTION 455 #define CONFIG_SYS_FLASH_CFI 456 #define CONFIG_FLASH_CFI_DRIVER 457 #define CONFIG_FLASH_CFI_MTD 458 #define CONFIG_SYS_MAX_FLASH_SECT 128 459 #define CONFIG_SYS_MAX_FLASH_BANKS 1 460 #define CONFIG_SYS_FLASH_BASE (0x08000000) 461 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT 462 #define CONFIG_SYS_FLASH_SIZE 0x01000000 463 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 464 /* Reduce SPL size by removing unlikey targets */ 465 #ifdef CONFIG_NOR_BOOT 466 #define CONFIG_ENV_IS_IN_FLASH 467 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 468 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */ 469 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */ 470 #define MTDIDS_DEFAULT "nor0=physmap-flash.0" 471 #define MTDPARTS_DEFAULT "mtdparts=physmap-flash.0:" \ 472 "512k(u-boot)," \ 473 "128k(u-boot-env1)," \ 474 "128k(u-boot-env2)," \ 475 "4m(kernel),-(rootfs)" 476 #endif 477 #endif /* NOR support */ 478 479 #endif /* ! __CONFIG_AM335X_EVM_H */ 480