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