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 #define CONFIG_AM33XX 20 21 #include <asm/arch/omap.h> 22 23 #define CONFIG_DMA_COHERENT 24 #define CONFIG_DMA_COHERENT_SIZE (1 << 20) 25 26 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */ 27 #define CONFIG_SYS_MALLOC_LEN (1024 << 10) 28 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 29 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ 30 #define CONFIG_SYS_PROMPT "U-Boot# " 31 #define CONFIG_BOARD_LATE_INIT 32 #define CONFIG_SYS_NO_FLASH 33 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */ 34 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM 35 36 #define CONFIG_OF_LIBFDT 37 #define CONFIG_CMD_BOOTZ 38 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 39 #define CONFIG_SETUP_MEMORY_TAGS 40 #define CONFIG_INITRD_TAG 41 42 #define CONFIG_SYS_CACHELINE_SIZE 64 43 44 /* commands to include */ 45 #include <config_cmd_default.h> 46 47 #define CONFIG_CMD_ASKENV 48 #define CONFIG_VERSION_VARIABLE 49 50 /* set to negative value for no autoboot */ 51 #define CONFIG_BOOTDELAY 1 52 #define CONFIG_ENV_VARS_UBOOT_CONFIG 53 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 54 #ifndef CONFIG_SPL_BUILD 55 #define CONFIG_EXTRA_ENV_SETTINGS \ 56 "loadaddr=0x80200000\0" \ 57 "fdtaddr=0x80F80000\0" \ 58 "fdt_high=0xffffffff\0" \ 59 "rdaddr=0x81000000\0" \ 60 "bootdir=/boot\0" \ 61 "bootfile=uImage\0" \ 62 "fdtfile=\0" \ 63 "console=ttyO0,115200n8\0" \ 64 "optargs=\0" \ 65 "mmcdev=0\0" \ 66 "mmcroot=/dev/mmcblk0p2 ro\0" \ 67 "mmcrootfstype=ext4 rootwait\0" \ 68 "bootpart=0:2\0" \ 69 "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \ 70 "nandrootfstype=ubifs rootwait=1\0" \ 71 "nandsrcaddr=0x280000\0" \ 72 "nandimgsize=0x500000\0" \ 73 "rootpath=/export/rootfs\0" \ 74 "nfsopts=nolock\0" \ 75 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \ 76 "::off\0" \ 77 "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \ 78 "ramrootfstype=ext2\0" \ 79 "mmcargs=setenv bootargs console=${console} " \ 80 "${optargs} " \ 81 "root=${mmcroot} " \ 82 "rootfstype=${mmcrootfstype}\0" \ 83 "nandargs=setenv bootargs console=${console} " \ 84 "${optargs} " \ 85 "root=${nandroot} " \ 86 "rootfstype=${nandrootfstype}\0" \ 87 "spiroot=/dev/mtdblock4 rw\0" \ 88 "spirootfstype=jffs2\0" \ 89 "spisrcaddr=0xe0000\0" \ 90 "spiimgsize=0x362000\0" \ 91 "spibusno=0\0" \ 92 "spiargs=setenv bootargs console=${console} " \ 93 "${optargs} " \ 94 "root=${spiroot} " \ 95 "rootfstype=${spirootfstype}\0" \ 96 "netargs=setenv bootargs console=${console} " \ 97 "${optargs} " \ 98 "root=/dev/nfs " \ 99 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \ 100 "ip=dhcp\0" \ 101 "bootenv=uEnv.txt\0" \ 102 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 103 "importbootenv=echo Importing environment from mmc ...; " \ 104 "env import -t $loadaddr $filesize\0" \ 105 "ramargs=setenv bootargs console=${console} " \ 106 "${optargs} " \ 107 "root=${ramroot} " \ 108 "rootfstype=${ramrootfstype}\0" \ 109 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 110 "loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 111 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 112 "mmcboot=echo Booting from mmc ...; " \ 113 "run mmcargs; " \ 114 "bootm ${loadaddr} - ${fdtaddr}\0" \ 115 "nandboot=echo Booting from nand ...; " \ 116 "run nandargs; " \ 117 "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \ 118 "bootm ${loadaddr}\0" \ 119 "spiboot=echo Booting from spi ...; " \ 120 "run spiargs; " \ 121 "sf probe ${spibusno}:0; " \ 122 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \ 123 "bootm ${loadaddr}\0" \ 124 "netboot=echo Booting from network ...; " \ 125 "setenv autoload no; " \ 126 "dhcp; " \ 127 "tftp ${loadaddr} ${bootfile}; " \ 128 "tftp ${fdtaddr} ${fdtfile}; " \ 129 "run netargs; " \ 130 "bootm ${loadaddr} - ${fdtaddr}\0" \ 131 "ramboot=echo Booting from ramdisk ...; " \ 132 "run ramargs; " \ 133 "bootm ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ 134 "findfdt="\ 135 "if test $board_name = A335BONE; then " \ 136 "setenv fdtfile am335x-bone.dtb; fi; " \ 137 "if test $board_name = A335BNLT; then " \ 138 "setenv fdtfile am335x-boneblack.dtb; fi; " \ 139 "if test $board_name = A33515BB; then " \ 140 "setenv fdtfile am335x-evm.dtb; fi; " \ 141 "if test $board_name = A335X_SK; then " \ 142 "setenv fdtfile am335x-evmsk.dtb; fi\0" \ 143 144 #endif 145 146 #define CONFIG_BOOTCOMMAND \ 147 "run findfdt; " \ 148 "mmc dev ${mmcdev}; if mmc rescan; then " \ 149 "echo SD/MMC found on device ${mmcdev};" \ 150 "if run loadbootenv; then " \ 151 "echo Loaded environment from ${bootenv};" \ 152 "run importbootenv;" \ 153 "fi;" \ 154 "if test -n $uenvcmd; then " \ 155 "echo Running uenvcmd ...;" \ 156 "run uenvcmd;" \ 157 "fi;" \ 158 "if run loaduimage; then " \ 159 "run loadfdt;" \ 160 "run mmcboot;" \ 161 "fi;" \ 162 "else " \ 163 "run nandboot;" \ 164 "fi;" \ 165 166 /* Clock Defines */ 167 #define V_OSCK 24000000 /* Clock output from T2 */ 168 #define V_SCLK (V_OSCK) 169 170 #define CONFIG_CMD_ECHO 171 172 /* max number of command args */ 173 #define CONFIG_SYS_MAXARGS 16 174 175 /* Console I/O Buffer Size */ 176 #define CONFIG_SYS_CBSIZE 512 177 178 /* Print Buffer Size */ 179 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 180 + sizeof(CONFIG_SYS_PROMPT) + 16) 181 182 /* Boot Argument Buffer Size */ 183 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 184 185 /* 186 * memtest works on 8 MB in DRAM after skipping 32MB from 187 * start addr of ram disk 188 */ 189 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024)) 190 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ 191 + (8 * 1024 * 1024)) 192 193 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */ 194 #define CONFIG_SYS_HZ 1000 /* 1ms clock */ 195 196 #define CONFIG_MMC 197 #define CONFIG_GENERIC_MMC 198 #define CONFIG_OMAP_HSMMC 199 #define CONFIG_CMD_MMC 200 #define CONFIG_DOS_PARTITION 201 #define CONFIG_CMD_FAT 202 #define CONFIG_CMD_EXT2 203 #define CONFIG_CMD_EXT4 204 #define CONFIG_CMD_FS_GENERIC 205 206 #define CONFIG_SPI 207 #define CONFIG_OMAP3_SPI 208 #define CONFIG_MTD_DEVICE 209 #define CONFIG_SPI_FLASH 210 #define CONFIG_SPI_FLASH_WINBOND 211 #define CONFIG_CMD_SF 212 #define CONFIG_SF_DEFAULT_SPEED (24000000) 213 214 /* Physical Memory Map */ 215 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 216 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */ 217 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ 218 219 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1 220 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ 221 GENERATED_GBL_DATA_SIZE) 222 /* Platform/Board specific defs */ 223 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 224 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 225 #define CONFIG_SYS_HZ 1000 226 227 /* NS16550 Configuration */ 228 #define CONFIG_SYS_NS16550 229 #define CONFIG_SYS_NS16550_SERIAL 230 #define CONFIG_SERIAL_MULTI 231 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 232 #define CONFIG_SYS_NS16550_CLK (48000000) 233 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 234 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 235 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 236 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 237 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 238 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 239 240 /* I2C Configuration */ 241 #define CONFIG_I2C 242 #define CONFIG_CMD_I2C 243 #define CONFIG_HARD_I2C 244 #define CONFIG_SYS_I2C_SPEED 100000 245 #define CONFIG_SYS_I2C_SLAVE 1 246 #define CONFIG_I2C_MULTI_BUS 247 #define CONFIG_DRIVER_OMAP24XX_I2C 248 #define CONFIG_CMD_EEPROM 249 #define CONFIG_ENV_EEPROM_IS_ON_I2C 250 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 251 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 252 #define CONFIG_SYS_I2C_MULTI_EEPROMS 253 254 #define CONFIG_OMAP_GPIO 255 256 #define CONFIG_BAUDRATE 115200 257 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \ 258 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 } 259 260 #define CONFIG_ENV_OVERWRITE 1 261 #define CONFIG_SYS_CONSOLE_INFO_QUIET 262 263 #define CONFIG_ENV_IS_NOWHERE 264 265 /* Defines for SPL */ 266 #define CONFIG_SPL 267 #define CONFIG_SPL_FRAMEWORK 268 #define CONFIG_SPL_TEXT_BASE 0x402F0400 269 #define CONFIG_SPL_MAX_SIZE (101 * 1024) 270 #define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR 271 272 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 273 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 274 275 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ 276 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ 277 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1 278 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img" 279 #define CONFIG_SPL_MMC_SUPPORT 280 #define CONFIG_SPL_FAT_SUPPORT 281 #define CONFIG_SPL_I2C_SUPPORT 282 283 #define CONFIG_SPL_LIBCOMMON_SUPPORT 284 #define CONFIG_SPL_LIBDISK_SUPPORT 285 #define CONFIG_SPL_LIBGENERIC_SUPPORT 286 #define CONFIG_SPL_SERIAL_SUPPORT 287 #define CONFIG_SPL_GPIO_SUPPORT 288 #define CONFIG_SPL_YMODEM_SUPPORT 289 #define CONFIG_SPL_NET_SUPPORT 290 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL" 291 #define CONFIG_SPL_ETH_SUPPORT 292 #define CONFIG_SPL_SPI_SUPPORT 293 #define CONFIG_SPL_SPI_FLASH_SUPPORT 294 #define CONFIG_SPL_SPI_LOAD 295 #define CONFIG_SPL_SPI_BUS 0 296 #define CONFIG_SPL_SPI_CS 0 297 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x80000 298 #define CONFIG_SPL_MUSB_NEW_SUPPORT 299 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds" 300 301 #define CONFIG_SPL_BOARD_INIT 302 #define CONFIG_SPL_NAND_AM33XX_BCH 303 #define CONFIG_SPL_NAND_SUPPORT 304 #define CONFIG_SPL_NAND_BASE 305 #define CONFIG_SPL_NAND_DRIVERS 306 #define CONFIG_SPL_NAND_ECC 307 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 308 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 309 CONFIG_SYS_NAND_PAGE_SIZE) 310 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 311 #define CONFIG_SYS_NAND_OOBSIZE 64 312 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 313 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 314 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 315 10, 11, 12, 13, 14, 15, 16, 17, \ 316 18, 19, 20, 21, 22, 23, 24, 25, \ 317 26, 27, 28, 29, 30, 31, 32, 33, \ 318 34, 35, 36, 37, 38, 39, 40, 41, \ 319 42, 43, 44, 45, 46, 47, 48, 49, \ 320 50, 51, 52, 53, 54, 55, 56, 57, } 321 322 #define CONFIG_SYS_NAND_ECCSIZE 512 323 #define CONFIG_SYS_NAND_ECCBYTES 14 324 325 #define CONFIG_SYS_NAND_ECCSTEPS 4 326 #define CONFIG_SYS_NAND_ECCTOTAL (CONFIG_SYS_NAND_ECCBYTES * \ 327 CONFIG_SYS_NAND_ECCSTEPS) 328 329 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 330 331 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 332 333 /* 334 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 335 * 64 bytes before this address should be set aside for u-boot.img's 336 * header. That is 0x800FFFC0--0x80100000 should not be used for any 337 * other needs. 338 */ 339 #define CONFIG_SYS_TEXT_BASE 0x80800000 340 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 341 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 342 343 /* Since SPL did pll and ddr initialization for us, 344 * we don't need to do it twice. 345 */ 346 #ifndef CONFIG_SPL_BUILD 347 #define CONFIG_SKIP_LOWLEVEL_INIT 348 #endif 349 350 /* 351 * USB configuration 352 */ 353 #define CONFIG_USB_MUSB_DSPS 354 #define CONFIG_ARCH_MISC_INIT 355 #define CONFIG_MUSB_GADGET 356 #define CONFIG_MUSB_PIO_ONLY 357 #define CONFIG_USB_GADGET_DUALSPEED 358 #define CONFIG_MUSB_HOST 359 #define CONFIG_AM335X_USB0 360 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 361 #define CONFIG_AM335X_USB1 362 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 363 364 #ifdef CONFIG_MUSB_HOST 365 #define CONFIG_CMD_USB 366 #define CONFIG_USB_STORAGE 367 #endif 368 369 #ifdef CONFIG_MUSB_GADGET 370 #define CONFIG_USB_ETHER 371 #define CONFIG_USB_ETH_RNDIS 372 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00" 373 #endif /* CONFIG_MUSB_GADGET */ 374 375 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT) 376 /* disable host part of MUSB in SPL */ 377 #undef CONFIG_MUSB_HOST 378 /* 379 * Disable CPSW SPL support so we fit within the 101KiB limit. 380 */ 381 #undef CONFIG_SPL_ETH_SUPPORT 382 #endif 383 384 /* 385 * Default to using SPI for environment, etc. We have multiple copies 386 * of SPL as the ROM will check these locations. 387 * 0x0 - 0x20000 : First copy of SPL 388 * 0x20000 - 0x40000 : Second copy of SPL 389 * 0x40000 - 0x60000 : Third copy of SPL 390 * 0x60000 - 0x80000 : Fourth copy of SPL 391 * 0x80000 - 0xDF000 : U-Boot 392 * 0xDF000 - 0xE0000 : U-Boot Environment 393 * 0xE0000 - 0x442000 : Linux Kernel 394 * 0x442000 - 0x800000 : Userland 395 */ 396 #if defined(CONFIG_SPI_BOOT) 397 # undef CONFIG_ENV_IS_NOWHERE 398 # define CONFIG_ENV_IS_IN_SPI_FLASH 399 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 400 # define CONFIG_ENV_OFFSET (892 << 10) /* 892 KiB in */ 401 # define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 402 #endif /* SPI support */ 403 404 /* Unsupported features */ 405 #undef CONFIG_USE_IRQ 406 407 #define CONFIG_CMD_NET 408 #define CONFIG_CMD_DHCP 409 #define CONFIG_CMD_PING 410 #define CONFIG_DRIVER_TI_CPSW 411 #define CONFIG_MII 412 #define CONFIG_BOOTP_DEFAULT 413 #define CONFIG_BOOTP_DNS 414 #define CONFIG_BOOTP_DNS2 415 #define CONFIG_BOOTP_SEND_HOSTNAME 416 #define CONFIG_BOOTP_GATEWAY 417 #define CONFIG_BOOTP_SUBNETMASK 418 #define CONFIG_NET_RETRY_COUNT 10 419 #define CONFIG_NET_MULTI 420 #define CONFIG_PHY_GIGE 421 #define CONFIG_PHYLIB 422 #define CONFIG_PHY_ADDR 0 423 #define CONFIG_PHY_SMSC 424 425 #define CONFIG_NAND 426 /* NAND support */ 427 #ifdef CONFIG_NAND 428 #define CONFIG_CMD_NAND 429 #define CONFIG_NAND_OMAP_GPMC 430 #define GPMC_NAND_ECC_LP_x16_LAYOUT 1 431 #define CONFIG_SYS_NAND_BASE (0x08000000) /* physical address */ 432 /* to access nand at */ 433 /* CS0 */ 434 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND 435 devices */ 436 #if !defined(CONFIG_SPI_BOOT) 437 #undef CONFIG_ENV_IS_NOWHERE 438 #define CONFIG_ENV_IS_IN_NAND 439 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */ 440 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 441 #endif 442 #endif 443 444 #endif /* ! __CONFIG_AM335X_EVM_H */ 445