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 # define CONFIG_OF_CONTROL 26 # define CONFIG_OF_SEPARATE 27 # define CONFIG_DEFAULT_DEVICE_TREE am335x-boneblack 28 #endif 29 30 #define CONFIG_SYS_BOOTM_LEN (16 << 20) 31 32 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */ 33 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM 34 #define CONFIG_BOARD_LATE_INIT 35 36 /* Clock Defines */ 37 #define V_OSCK 24000000 /* Clock output from T2 */ 38 #define V_SCLK (V_OSCK) 39 40 /* Custom script for NOR */ 41 #define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds" 42 43 /* Always 128 KiB env size */ 44 #define CONFIG_ENV_SIZE (128 << 10) 45 46 /* Enhance our eMMC support / experience. */ 47 #define CONFIG_CMD_GPT 48 #define CONFIG_EFI_PARTITION 49 #define CONFIG_PARTITION_UUIDS 50 #define CONFIG_CMD_PART 51 52 #ifdef CONFIG_NAND 53 #define NANDARGS \ 54 "mtdids=" MTDIDS_DEFAULT "\0" \ 55 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 56 "nandargs=setenv bootargs console=${console} " \ 57 "${optargs} " \ 58 "root=${nandroot} " \ 59 "rootfstype=${nandrootfstype}\0" \ 60 "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \ 61 "nandrootfstype=ubifs rootwait=1\0" \ 62 "nandboot=echo Booting from nand ...; " \ 63 "run nandargs; " \ 64 "nand read ${fdtaddr} u-boot-spl-os; " \ 65 "nand read ${loadaddr} kernel; " \ 66 "bootz ${loadaddr} - ${fdtaddr}\0" 67 #else 68 #define NANDARGS "" 69 #endif 70 71 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 72 73 #ifndef CONFIG_SPL_BUILD 74 #define CONFIG_EXTRA_ENV_SETTINGS \ 75 DEFAULT_LINUX_BOOT_ENV \ 76 "boot_fdt=try\0" \ 77 "bootpart=0:2\0" \ 78 "bootdir=/boot\0" \ 79 "bootfile=zImage\0" \ 80 "fdtfile=undefined\0" \ 81 "console=ttyO0,115200n8\0" \ 82 "partitions=" \ 83 "uuid_disk=${uuid_gpt_disk};" \ 84 "name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \ 85 "optargs=\0" \ 86 "mmcdev=0\0" \ 87 "mmcroot=/dev/mmcblk0p2 ro\0" \ 88 "mmcrootfstype=ext4 rootwait\0" \ 89 "rootpath=/export/rootfs\0" \ 90 "nfsopts=nolock\0" \ 91 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \ 92 "::off\0" \ 93 "ramroot=/dev/ram0 rw\0" \ 94 "ramrootfstype=ext2\0" \ 95 "mmcargs=setenv bootargs console=${console} " \ 96 "${optargs} " \ 97 "root=${mmcroot} " \ 98 "rootfstype=${mmcrootfstype}\0" \ 99 "spiroot=/dev/mtdblock4 rw\0" \ 100 "spirootfstype=jffs2\0" \ 101 "spisrcaddr=0xe0000\0" \ 102 "spiimgsize=0x362000\0" \ 103 "spibusno=0\0" \ 104 "spiargs=setenv bootargs console=${console} " \ 105 "${optargs} " \ 106 "root=${spiroot} " \ 107 "rootfstype=${spirootfstype}\0" \ 108 "netargs=setenv bootargs console=${console} " \ 109 "${optargs} " \ 110 "root=/dev/nfs " \ 111 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \ 112 "ip=dhcp\0" \ 113 "bootenv=uEnv.txt\0" \ 114 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 115 "importbootenv=echo Importing environment from mmc ...; " \ 116 "env import -t $loadaddr $filesize\0" \ 117 "ramargs=setenv bootargs console=${console} " \ 118 "${optargs} " \ 119 "root=${ramroot} " \ 120 "rootfstype=${ramrootfstype}\0" \ 121 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 122 "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 123 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 124 "mmcloados=run mmcargs; " \ 125 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 126 "if run loadfdt; then " \ 127 "bootz ${loadaddr} - ${fdtaddr}; " \ 128 "else " \ 129 "if test ${boot_fdt} = try; then " \ 130 "bootz; " \ 131 "else " \ 132 "echo WARN: Cannot load the DT; " \ 133 "fi; " \ 134 "fi; " \ 135 "else " \ 136 "bootz; " \ 137 "fi;\0" \ 138 "mmcboot=mmc dev ${mmcdev}; " \ 139 "if mmc rescan; then " \ 140 "echo SD/MMC found on device ${mmcdev};" \ 141 "if run loadbootenv; then " \ 142 "echo Loaded environment from ${bootenv};" \ 143 "run importbootenv;" \ 144 "fi;" \ 145 "if test -n $uenvcmd; then " \ 146 "echo Running uenvcmd ...;" \ 147 "run uenvcmd;" \ 148 "fi;" \ 149 "if run loadimage; then " \ 150 "run mmcloados;" \ 151 "fi;" \ 152 "fi;\0" \ 153 "spiboot=echo Booting from spi ...; " \ 154 "run spiargs; " \ 155 "sf probe ${spibusno}:0; " \ 156 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \ 157 "bootz ${loadaddr}\0" \ 158 "netboot=echo Booting from network ...; " \ 159 "setenv autoload no; " \ 160 "dhcp; " \ 161 "tftp ${loadaddr} ${bootfile}; " \ 162 "tftp ${fdtaddr} ${fdtfile}; " \ 163 "run netargs; " \ 164 "bootz ${loadaddr} - ${fdtaddr}\0" \ 165 "ramboot=echo Booting from ramdisk ...; " \ 166 "run ramargs; " \ 167 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ 168 "findfdt="\ 169 "if test $board_name = A335BONE; then " \ 170 "setenv fdtfile am335x-bone.dtb; fi; " \ 171 "if test $board_name = A335BNLT; then " \ 172 "setenv fdtfile am335x-boneblack.dtb; fi; " \ 173 "if test $board_name = A33515BB; then " \ 174 "setenv fdtfile am335x-evm.dtb; fi; " \ 175 "if test $board_name = A335X_SK; then " \ 176 "setenv fdtfile am335x-evmsk.dtb; fi; " \ 177 "if test $fdtfile = undefined; then " \ 178 "echo WARNING: Could not determine device tree to use; fi; \0" \ 179 NANDARGS \ 180 DFUARGS 181 #endif 182 183 #define CONFIG_BOOTCOMMAND \ 184 "run findfdt; " \ 185 "run mmcboot;" \ 186 "setenv mmcdev 1; " \ 187 "setenv bootpart 1:2; " \ 188 "run mmcboot;" \ 189 "run nandboot;" 190 191 /* NS16550 Configuration */ 192 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 193 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 194 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 195 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 196 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 197 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 198 #define CONFIG_BAUDRATE 115200 199 200 #define CONFIG_CMD_EEPROM 201 #define CONFIG_ENV_EEPROM_IS_ON_I2C 202 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 203 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 204 #define CONFIG_SYS_I2C_MULTI_EEPROMS 205 206 /* PMIC support */ 207 #define CONFIG_POWER_TPS65217 208 #define CONFIG_POWER_TPS65910 209 210 /* SPL */ 211 #ifndef CONFIG_NOR_BOOT 212 #define CONFIG_SPL_POWER_SUPPORT 213 #define CONFIG_SPL_YMODEM_SUPPORT 214 215 /* Bootcount using the RTC block */ 216 #define CONFIG_BOOTCOUNT_LIMIT 217 #define CONFIG_BOOTCOUNT_AM33XX 218 219 /* USB gadget RNDIS */ 220 #define CONFIG_SPL_MUSB_NEW_SUPPORT 221 222 /* General network SPL, both CPSW and USB gadget RNDIS */ 223 #define CONFIG_SPL_NET_SUPPORT 224 #define CONFIG_SPL_ENV_SUPPORT 225 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL" 226 227 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds" 228 229 #ifdef CONFIG_NAND 230 #define CONFIG_NAND_OMAP_GPMC 231 #define CONFIG_NAND_OMAP_ELM 232 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 233 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 234 CONFIG_SYS_NAND_PAGE_SIZE) 235 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 236 #define CONFIG_SYS_NAND_OOBSIZE 64 237 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 238 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 239 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 240 10, 11, 12, 13, 14, 15, 16, 17, \ 241 18, 19, 20, 21, 22, 23, 24, 25, \ 242 26, 27, 28, 29, 30, 31, 32, 33, \ 243 34, 35, 36, 37, 38, 39, 40, 41, \ 244 42, 43, 44, 45, 46, 47, 48, 49, \ 245 50, 51, 52, 53, 54, 55, 56, 57, } 246 247 #define CONFIG_SYS_NAND_ECCSIZE 512 248 #define CONFIG_SYS_NAND_ECCBYTES 14 249 #define CONFIG_SYS_NAND_ONFI_DETECTION 250 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW 251 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 252 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 253 #endif 254 #endif 255 256 /* 257 * For NOR boot, we must set this to the start of where NOR is mapped 258 * in memory. 259 */ 260 #ifdef CONFIG_NOR_BOOT 261 #define CONFIG_SYS_TEXT_BASE 0x08000000 262 #endif 263 264 /* 265 * USB configuration. We enable MUSB support, both for host and for 266 * gadget. We set USB0 as peripheral and USB1 as host, based on the 267 * board schematic and physical port wired to each. Then for host we 268 * add mass storage support and for gadget we add both RNDIS ethernet 269 * and DFU. 270 */ 271 #define CONFIG_USB_MUSB_DSPS 272 #define CONFIG_ARCH_MISC_INIT 273 #define CONFIG_MUSB_GADGET 274 #define CONFIG_MUSB_PIO_ONLY 275 #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT 276 #define CONFIG_USB_GADGET 277 #define CONFIG_USBDOWNLOAD_GADGET 278 #define CONFIG_USB_GADGET_DUALSPEED 279 #define CONFIG_USB_GADGET_VBUS_DRAW 2 280 #define CONFIG_MUSB_HOST 281 #define CONFIG_AM335X_USB0 282 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 283 #define CONFIG_AM335X_USB1 284 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 285 286 #ifdef CONFIG_MUSB_HOST 287 #define CONFIG_CMD_USB 288 #define CONFIG_USB_STORAGE 289 #endif 290 291 #ifdef CONFIG_MUSB_GADGET 292 #define CONFIG_USB_ETHER 293 #define CONFIG_USB_ETH_RNDIS 294 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00" 295 296 /* USB TI's IDs */ 297 #define CONFIG_G_DNL_VENDOR_NUM 0x0403 298 #define CONFIG_G_DNL_PRODUCT_NUM 0xBD00 299 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments" 300 #endif /* CONFIG_MUSB_GADGET */ 301 302 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT) 303 /* disable host part of MUSB in SPL */ 304 #undef CONFIG_MUSB_HOST 305 /* disable EFI partitions and partition UUID support */ 306 #undef CONFIG_PARTITION_UUIDS 307 #undef CONFIG_EFI_PARTITION 308 /* 309 * Disable CPSW SPL support so we fit within the 101KiB limit. 310 */ 311 #undef CONFIG_SPL_ETH_SUPPORT 312 #endif 313 314 /* USB Device Firmware Update support */ 315 #ifndef CONFIG_SPL_BUILD 316 #define CONFIG_DFU_FUNCTION 317 #define CONFIG_DFU_MMC 318 #define CONFIG_CMD_DFU 319 #define DFU_ALT_INFO_MMC \ 320 "dfu_alt_info_mmc=" \ 321 "boot part 0 1;" \ 322 "rootfs part 0 2;" \ 323 "MLO fat 0 1;" \ 324 "MLO.raw mmc 0x100 0x100;" \ 325 "u-boot.img.raw mmc 0x300 0x400;" \ 326 "spl-os-args.raw mmc 0x80 0x80;" \ 327 "spl-os-image.raw mmc 0x900 0x2000;" \ 328 "spl-os-args fat 0 1;" \ 329 "spl-os-image fat 0 1;" \ 330 "u-boot.img fat 0 1;" \ 331 "uEnv.txt fat 0 1\0" 332 #ifdef CONFIG_NAND 333 #define CONFIG_DFU_NAND 334 #define DFU_ALT_INFO_NAND \ 335 "dfu_alt_info_nand=" \ 336 "SPL part 0 1;" \ 337 "SPL.backup1 part 0 2;" \ 338 "SPL.backup2 part 0 3;" \ 339 "SPL.backup3 part 0 4;" \ 340 "u-boot part 0 5;" \ 341 "u-boot-spl-os part 0 6;" \ 342 "kernel part 0 8;" \ 343 "rootfs part 0 9\0" 344 #else 345 #define DFU_ALT_INFO_NAND "" 346 #endif 347 #define CONFIG_DFU_RAM 348 #define DFU_ALT_INFO_RAM \ 349 "dfu_alt_info_ram=" \ 350 "kernel ram 0x80200000 0xD80000;" \ 351 "fdt ram 0x80F80000 0x80000;" \ 352 "ramdisk ram 0x81000000 0x4000000\0" 353 #define DFUARGS \ 354 "dfu_alt_info_emmc=rawemmc mmc 0 3751936\0" \ 355 DFU_ALT_INFO_MMC \ 356 DFU_ALT_INFO_RAM \ 357 DFU_ALT_INFO_NAND 358 #endif 359 360 /* 361 * Default to using SPI for environment, etc. 362 * 0x000000 - 0x020000 : SPL (128KiB) 363 * 0x020000 - 0x0A0000 : U-Boot (512KiB) 364 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB) 365 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB) 366 * 0x0E0000 - 0x442000 : Linux Kernel 367 * 0x442000 - 0x800000 : Userland 368 */ 369 #if defined(CONFIG_SPI_BOOT) 370 /* SPL related */ 371 #undef CONFIG_SPL_OS_BOOT /* Not supported by existing map */ 372 #define CONFIG_SPL_SPI_SUPPORT 373 #define CONFIG_SPL_SPI_FLASH_SUPPORT 374 #define CONFIG_SPL_SPI_LOAD 375 #define CONFIG_SPL_SPI_BUS 0 376 #define CONFIG_SPL_SPI_CS 0 377 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 378 379 #define CONFIG_ENV_IS_IN_SPI_FLASH 380 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 381 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 382 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 383 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */ 384 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */ 385 #define MTDIDS_DEFAULT "nor0=m25p80-flash.0" 386 #define MTDPARTS_DEFAULT "mtdparts=m25p80-flash.0:128k(SPL)," \ 387 "512k(u-boot),128k(u-boot-env1)," \ 388 "128k(u-boot-env2),3464k(kernel)," \ 389 "-(rootfs)" 390 #elif defined(CONFIG_EMMC_BOOT) 391 #undef CONFIG_ENV_IS_NOWHERE 392 #define CONFIG_ENV_IS_IN_MMC 393 #define CONFIG_SYS_MMC_ENV_DEV 1 394 #define CONFIG_SYS_MMC_ENV_PART 2 395 #define CONFIG_ENV_OFFSET 0x0 396 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) 397 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 398 #endif 399 400 /* SPI flash. */ 401 #define CONFIG_CMD_SF 402 #define CONFIG_SPI_FLASH 403 #define CONFIG_SPI_FLASH_WINBOND 404 #define CONFIG_SF_DEFAULT_SPEED 24000000 405 406 /* Network. */ 407 #define CONFIG_PHY_GIGE 408 #define CONFIG_PHYLIB 409 #define CONFIG_PHY_SMSC 410 411 /* NAND support */ 412 #ifdef CONFIG_NAND 413 #define CONFIG_CMD_NAND 414 #if !defined(CONFIG_SPI_BOOT) && !defined(CONFIG_NOR_BOOT) 415 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 416 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \ 417 "128k(SPL.backup1)," \ 418 "128k(SPL.backup2)," \ 419 "128k(SPL.backup3),1792k(u-boot)," \ 420 "128k(u-boot-spl-os)," \ 421 "128k(u-boot-env),5m(kernel),-(rootfs)" 422 #define CONFIG_ENV_IS_IN_NAND 423 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */ 424 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 425 #endif 426 #endif 427 428 /* 429 * NOR Size = 16 MiB 430 * Number of Sectors/Blocks = 128 431 * Sector Size = 128 KiB 432 * Word length = 16 bits 433 * Default layout: 434 * 0x000000 - 0x07FFFF : U-Boot (512 KiB) 435 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB) 436 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB) 437 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB) 438 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB) 439 */ 440 #if defined(CONFIG_NOR) 441 #undef CONFIG_SYS_NO_FLASH 442 #define CONFIG_CMD_FLASH 443 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 444 #define CONFIG_SYS_FLASH_PROTECTION 445 #define CONFIG_SYS_FLASH_CFI 446 #define CONFIG_FLASH_CFI_DRIVER 447 #define CONFIG_FLASH_CFI_MTD 448 #define CONFIG_SYS_MAX_FLASH_SECT 128 449 #define CONFIG_SYS_MAX_FLASH_BANKS 1 450 #define CONFIG_SYS_FLASH_BASE (0x08000000) 451 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT 452 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 453 /* Reduce SPL size by removing unlikey targets */ 454 #ifdef CONFIG_NOR_BOOT 455 #define CONFIG_ENV_IS_IN_FLASH 456 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 457 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */ 458 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */ 459 #define MTDIDS_DEFAULT "nor0=physmap-flash.0" 460 #define MTDPARTS_DEFAULT "mtdparts=physmap-flash.0:" \ 461 "512k(u-boot)," \ 462 "128k(u-boot-env1)," \ 463 "128k(u-boot-env2)," \ 464 "4m(kernel),-(rootfs)" 465 #endif 466 #endif /* NOR support */ 467 468 #endif /* ! __CONFIG_AM335X_EVM_H */ 469