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 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */ 22 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM 23 24 /* Clock Defines */ 25 #define V_OSCK 24000000 /* Clock output from T2 */ 26 #define V_SCLK (V_OSCK) 27 28 /* Custom script for NOR */ 29 #define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds" 30 31 /* Always 128 KiB env size */ 32 #define CONFIG_ENV_SIZE (128 << 10) 33 34 #ifdef CONFIG_NAND 35 #define NANDARGS \ 36 "mtdids=" MTDIDS_DEFAULT "\0" \ 37 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 38 "nandargs=setenv bootargs console=${console} " \ 39 "${optargs} " \ 40 "root=${nandroot} " \ 41 "rootfstype=${nandrootfstype}\0" \ 42 "dfu_alt_info_nand=" DFU_ALT_INFO_NAND "\0" \ 43 "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \ 44 "nandrootfstype=ubifs rootwait=1\0" \ 45 "nandsrcaddr=0x280000\0" \ 46 "nandboot=echo Booting from nand ...; " \ 47 "run nandargs; " \ 48 "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \ 49 "bootm ${loadaddr}\0" \ 50 "nandimgsize=0x500000\0" 51 #else 52 #define NANDARGS "" 53 #endif 54 55 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 56 57 #ifndef CONFIG_SPL_BUILD 58 #define CONFIG_EXTRA_ENV_SETTINGS \ 59 "loadaddr=0x80200000\0" \ 60 "fdtaddr=0x80F80000\0" \ 61 "fdt_high=0xffffffff\0" \ 62 "boot_fdt=try\0" \ 63 "rdaddr=0x81000000\0" \ 64 "bootdir=/boot\0" \ 65 "bootfile=uImage\0" \ 66 "fdtfile=undefined\0" \ 67 "console=ttyO0,115200n8\0" \ 68 "optargs=\0" \ 69 "dfu_alt_info_mmc=" DFU_ALT_INFO_MMC "\0" \ 70 "dfu_alt_info_emmc=rawemmc mmc 0 3751936\0" \ 71 "mmcdev=0\0" \ 72 "mmcroot=/dev/mmcblk0p2 ro\0" \ 73 "mmcrootfstype=ext4 rootwait\0" \ 74 "bootpart=0:2\0" \ 75 "rootpath=/export/rootfs\0" \ 76 "nfsopts=nolock\0" \ 77 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \ 78 "::off\0" \ 79 "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \ 80 "ramrootfstype=ext2\0" \ 81 "mmcargs=setenv bootargs console=${console} " \ 82 "${optargs} " \ 83 "root=${mmcroot} " \ 84 "rootfstype=${mmcrootfstype}\0" \ 85 "spiroot=/dev/mtdblock4 rw\0" \ 86 "spirootfstype=jffs2\0" \ 87 "spisrcaddr=0xe0000\0" \ 88 "spiimgsize=0x362000\0" \ 89 "spibusno=0\0" \ 90 "spiargs=setenv bootargs console=${console} " \ 91 "${optargs} " \ 92 "root=${spiroot} " \ 93 "rootfstype=${spirootfstype}\0" \ 94 "netargs=setenv bootargs console=${console} " \ 95 "${optargs} " \ 96 "root=/dev/nfs " \ 97 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \ 98 "ip=dhcp\0" \ 99 "bootenv=uEnv.txt\0" \ 100 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 101 "importbootenv=echo Importing environment from mmc ...; " \ 102 "env import -t $loadaddr $filesize\0" \ 103 "ramargs=setenv bootargs console=${console} " \ 104 "${optargs} " \ 105 "root=${ramroot} " \ 106 "rootfstype=${ramrootfstype}\0" \ 107 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 108 "loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 109 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 110 "mmcloados=run mmcargs; " \ 111 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 112 "if run loadfdt; then " \ 113 "bootm ${loadaddr} - ${fdtaddr}; " \ 114 "else " \ 115 "if test ${boot_fdt} = try; then " \ 116 "bootm; " \ 117 "else " \ 118 "echo WARN: Cannot load the DT; " \ 119 "fi; " \ 120 "fi; " \ 121 "else " \ 122 "bootm; " \ 123 "fi;\0" \ 124 "mmcboot=mmc dev ${mmcdev}; " \ 125 "if mmc rescan; then " \ 126 "echo SD/MMC found on device ${mmcdev};" \ 127 "if run loadbootenv; then " \ 128 "echo Loaded environment from ${bootenv};" \ 129 "run importbootenv;" \ 130 "fi;" \ 131 "if test -n $uenvcmd; then " \ 132 "echo Running uenvcmd ...;" \ 133 "run uenvcmd;" \ 134 "fi;" \ 135 "run mmcloados;" \ 136 "fi;\0" \ 137 "spiboot=echo Booting from spi ...; " \ 138 "run spiargs; " \ 139 "sf probe ${spibusno}:0; " \ 140 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \ 141 "bootm ${loadaddr}\0" \ 142 "netboot=echo Booting from network ...; " \ 143 "setenv autoload no; " \ 144 "dhcp; " \ 145 "tftp ${loadaddr} ${bootfile}; " \ 146 "tftp ${fdtaddr} ${fdtfile}; " \ 147 "run netargs; " \ 148 "bootm ${loadaddr} - ${fdtaddr}\0" \ 149 "ramboot=echo Booting from ramdisk ...; " \ 150 "run ramargs; " \ 151 "bootm ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ 152 "findfdt="\ 153 "if test $board_name = A335BONE; then " \ 154 "setenv fdtfile am335x-bone.dtb; fi; " \ 155 "if test $board_name = A335BNLT; then " \ 156 "setenv fdtfile am335x-boneblack.dtb; fi; " \ 157 "if test $board_name = A33515BB; then " \ 158 "setenv fdtfile am335x-evm.dtb; fi; " \ 159 "if test $board_name = A335X_SK; then " \ 160 "setenv fdtfile am335x-evmsk.dtb; fi; " \ 161 "if test $fdtfile = undefined; then " \ 162 "echo WARNING: Could not determine device tree to use; fi; \0" \ 163 NANDARGS 164 #endif 165 166 #define CONFIG_BOOTCOMMAND \ 167 "run findfdt; " \ 168 "run mmcboot;" \ 169 "setenv mmcdev 1; " \ 170 "setenv bootpart 1:2; " \ 171 "run mmcboot;" \ 172 "run nandboot;" 173 174 /* NS16550 Configuration */ 175 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 176 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 177 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 178 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 179 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 180 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 181 #define CONFIG_BAUDRATE 115200 182 183 /* I2C Configuration */ 184 #define CONFIG_CMD_EEPROM 185 #define CONFIG_ENV_EEPROM_IS_ON_I2C 186 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 187 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 188 #define CONFIG_SYS_I2C_MULTI_EEPROMS 189 190 /* SPL */ 191 #ifndef CONFIG_NOR_BOOT 192 #define CONFIG_SPL_YMODEM_SUPPORT 193 194 /* CPSW support */ 195 #define CONFIG_SPL_ETH_SUPPORT 196 197 /* USB gadget RNDIS */ 198 #define CONFIG_SPL_MUSB_NEW_SUPPORT 199 200 /* General network SPL, both CPSW and USB gadget RNDIS */ 201 #define CONFIG_SPL_NET_SUPPORT 202 #define CONFIG_SPL_ENV_SUPPORT 203 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL" 204 205 /* SPI flash. */ 206 #define CONFIG_SPL_SPI_SUPPORT 207 #define CONFIG_SPL_SPI_FLASH_SUPPORT 208 #define CONFIG_SPL_SPI_LOAD 209 #define CONFIG_SPL_SPI_BUS 0 210 #define CONFIG_SPL_SPI_CS 0 211 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 212 213 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds" 214 215 #ifdef CONFIG_NAND 216 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 217 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 218 CONFIG_SYS_NAND_PAGE_SIZE) 219 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 220 #define CONFIG_SYS_NAND_OOBSIZE 64 221 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 222 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 223 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 224 10, 11, 12, 13, 14, 15, 16, 17, \ 225 18, 19, 20, 21, 22, 23, 24, 25, \ 226 26, 27, 28, 29, 30, 31, 32, 33, \ 227 34, 35, 36, 37, 38, 39, 40, 41, \ 228 42, 43, 44, 45, 46, 47, 48, 49, \ 229 50, 51, 52, 53, 54, 55, 56, 57, } 230 231 #define CONFIG_SYS_NAND_ECCSIZE 512 232 #define CONFIG_SYS_NAND_ECCBYTES 14 233 234 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 235 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 236 #endif 237 #endif 238 239 /* 240 * For NOR boot, we must set this to the start of where NOR is mapped 241 * in memory. 242 */ 243 #ifdef CONFIG_NOR_BOOT 244 #define CONFIG_SYS_TEXT_BASE 0x08000000 245 #endif 246 247 /* 248 * USB configuration. We enable MUSB support, both for host and for 249 * gadget. We set USB0 as peripheral and USB1 as host, based on the 250 * board schematic and physical port wired to each. Then for host we 251 * add mass storage support and for gadget we add both RNDIS ethernet 252 * and DFU. 253 */ 254 #define CONFIG_USB_MUSB_DSPS 255 #define CONFIG_ARCH_MISC_INIT 256 #define CONFIG_MUSB_GADGET 257 #define CONFIG_MUSB_PIO_ONLY 258 #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT 259 #define CONFIG_USB_GADGET 260 #define CONFIG_USBDOWNLOAD_GADGET 261 #define CONFIG_USB_GADGET_DUALSPEED 262 #define CONFIG_USB_GADGET_VBUS_DRAW 2 263 #define CONFIG_MUSB_HOST 264 #define CONFIG_AM335X_USB0 265 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 266 #define CONFIG_AM335X_USB1 267 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 268 269 #ifdef CONFIG_MUSB_HOST 270 #define CONFIG_CMD_USB 271 #define CONFIG_USB_STORAGE 272 #endif 273 274 #ifdef CONFIG_MUSB_GADGET 275 #define CONFIG_USB_ETHER 276 #define CONFIG_USB_ETH_RNDIS 277 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00" 278 279 /* USB TI's IDs */ 280 #define CONFIG_G_DNL_VENDOR_NUM 0x0403 281 #define CONFIG_G_DNL_PRODUCT_NUM 0xBD00 282 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments" 283 #endif /* CONFIG_MUSB_GADGET */ 284 285 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT) 286 /* disable host part of MUSB in SPL */ 287 #undef CONFIG_MUSB_HOST 288 /* 289 * Disable CPSW SPL support so we fit within the 101KiB limit. 290 */ 291 #undef CONFIG_SPL_ETH_SUPPORT 292 #endif 293 294 /* USB Device Firmware Update support */ 295 #define CONFIG_DFU_FUNCTION 296 #define CONFIG_DFU_MMC 297 #define CONFIG_CMD_DFU 298 #define DFU_ALT_INFO_MMC \ 299 "boot part 0 1;" \ 300 "rootfs part 0 2;" \ 301 "MLO fat 0 1;" \ 302 "MLO.raw mmc 100 100;" \ 303 "u-boot.img.raw mmc 300 400;" \ 304 "spl-os-args.raw mmc 80 80;" \ 305 "spl-os-image.raw mmc 900 2000;" \ 306 "spl-os-args fat 0 1;" \ 307 "spl-os-image fat 0 1;" \ 308 "u-boot.img fat 0 1;" \ 309 "uEnv.txt fat 0 1" 310 #ifdef CONFIG_NAND 311 #define CONFIG_DFU_NAND 312 #define DFU_ALT_INFO_NAND \ 313 "SPL part 0 1;" \ 314 "SPL.backup1 part 0 2;" \ 315 "SPL.backup2 part 0 3;" \ 316 "SPL.backup3 part 0 4;" \ 317 "u-boot part 0 5;" \ 318 "u-boot-spl-os part 0 6;" \ 319 "kernel part 0 8;" \ 320 "rootfs part 0 9" 321 #endif 322 323 /* 324 * Default to using SPI for environment, etc. 325 * 0x000000 - 0x020000 : SPL (128KiB) 326 * 0x020000 - 0x0A0000 : U-Boot (512KiB) 327 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB) 328 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB) 329 * 0x0E0000 - 0x442000 : Linux Kernel 330 * 0x442000 - 0x800000 : Userland 331 */ 332 #if defined(CONFIG_SPI_BOOT) 333 #define CONFIG_ENV_IS_IN_SPI_FLASH 334 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 335 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 336 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 337 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */ 338 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */ 339 #define MTDIDS_DEFAULT "nor0=m25p80-flash.0" 340 #define MTDPARTS_DEFAULT "mtdparts=m25p80-flash.0:128k(SPL)," \ 341 "512k(u-boot),128k(u-boot-env1)," \ 342 "128k(u-boot-env2),3464k(kernel)," \ 343 "-(rootfs)" 344 #elif defined(CONFIG_EMMC_BOOT) 345 #undef CONFIG_ENV_IS_NOWHERE 346 #define CONFIG_ENV_IS_IN_MMC 347 #define CONFIG_SYS_MMC_ENV_DEV 1 348 #define CONFIG_SYS_MMC_ENV_PART 2 349 #endif 350 351 /* SPI flash. */ 352 #define CONFIG_CMD_SF 353 #define CONFIG_SPI_FLASH 354 #define CONFIG_SPI_FLASH_WINBOND 355 #define CONFIG_SF_DEFAULT_SPEED 24000000 356 357 /* Network. */ 358 #define CONFIG_PHY_GIGE 359 #define CONFIG_PHYLIB 360 #define CONFIG_PHY_ADDR 0 361 #define CONFIG_PHY_SMSC 362 363 /* NAND support */ 364 #ifdef CONFIG_NAND 365 #define CONFIG_CMD_NAND 366 #define GPMC_NAND_ECC_LP_x16_LAYOUT 1 367 #if !defined(CONFIG_SPI_BOOT) && !defined(CONFIG_NOR_BOOT) 368 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 369 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \ 370 "128k(SPL.backup1)," \ 371 "128k(SPL.backup2)," \ 372 "128k(SPL.backup3),1792k(u-boot)," \ 373 "128k(u-boot-spl-os)," \ 374 "128k(u-boot-env),5m(kernel),-(rootfs)" 375 #define CONFIG_ENV_IS_IN_NAND 376 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */ 377 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 378 #endif 379 #endif 380 381 /* 382 * NOR Size = 16 MiB 383 * Number of Sectors/Blocks = 128 384 * Sector Size = 128 KiB 385 * Word length = 16 bits 386 * Default layout: 387 * 0x000000 - 0x07FFFF : U-Boot (512 KiB) 388 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB) 389 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB) 390 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB) 391 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB) 392 */ 393 #if defined(CONFIG_NOR) 394 #undef CONFIG_SYS_NO_FLASH 395 #define CONFIG_CMD_FLASH 396 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 397 #define CONFIG_SYS_FLASH_PROTECTION 398 #define CONFIG_SYS_FLASH_CFI 399 #define CONFIG_FLASH_CFI_DRIVER 400 #define CONFIG_FLASH_CFI_MTD 401 #define CONFIG_SYS_MAX_FLASH_SECT 128 402 #define CONFIG_SYS_MAX_FLASH_BANKS 1 403 #define CONFIG_SYS_FLASH_BASE (0x08000000) 404 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT 405 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 406 #ifdef CONFIG_NOR_BOOT 407 #define CONFIG_ENV_IS_IN_FLASH 408 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 409 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */ 410 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */ 411 #define MTDIDS_DEFAULT "nor0=physmap-flash.0" 412 #define MTDPARTS_DEFAULT "mtdparts=physmap-flash.0:" \ 413 "512k(u-boot)," \ 414 "128k(u-boot-env1)," \ 415 "128k(u-boot-env2)," \ 416 "4m(kernel),-(rootfs)" 417 #endif 418 #endif /* NOR support */ 419 420 #endif /* ! __CONFIG_AM335X_EVM_H */ 421