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 #include <linux/sizes.h> 21 22 #ifndef CONFIG_SPL_BUILD 23 # define CONFIG_TIMESTAMP 24 #endif 25 26 #define CONFIG_SYS_BOOTM_LEN SZ_16M 27 28 #define CONFIG_MACH_TYPE MACH_TYPE_AM335XEVM 29 30 /* Clock Defines */ 31 #define V_OSCK 24000000 /* Clock output from T2 */ 32 #define V_SCLK (V_OSCK) 33 34 /* Custom script for NOR */ 35 #define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds" 36 37 /* Always 128 KiB env size */ 38 #define CONFIG_ENV_SIZE SZ_128K 39 40 #ifdef CONFIG_NAND 41 #define NANDARGS \ 42 "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \ 43 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ 44 "nandargs=setenv bootargs console=${console} " \ 45 "${optargs} " \ 46 "root=${nandroot} " \ 47 "rootfstype=${nandrootfstype}\0" \ 48 "nandroot=ubi0:rootfs rw ubi.mtd=NAND.file-system,2048\0" \ 49 "nandrootfstype=ubifs rootwait=1\0" \ 50 "nandboot=echo Booting from nand ...; " \ 51 "run nandargs; " \ 52 "nand read ${fdtaddr} NAND.u-boot-spl-os; " \ 53 "nand read ${loadaddr} NAND.kernel; " \ 54 "bootz ${loadaddr} - ${fdtaddr}\0" 55 #else 56 #define NANDARGS "" 57 #endif 58 59 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 60 61 #define BOOTENV_DEV_LEGACY_MMC(devtypeu, devtypel, instance) \ 62 "bootcmd_" #devtypel #instance "=" \ 63 "setenv mmcdev " #instance"; "\ 64 "setenv bootpart " #instance":2 ; "\ 65 "run mmcboot\0" 66 67 #define BOOTENV_DEV_NAME_LEGACY_MMC(devtypeu, devtypel, instance) \ 68 #devtypel #instance " " 69 70 #define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \ 71 "bootcmd_" #devtypel "=" \ 72 "run nandboot\0" 73 74 #define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \ 75 #devtypel #instance " " 76 77 #if CONFIG_IS_ENABLED(CMD_PXE) 78 # define BOOT_TARGET_PXE(func) func(PXE, pxe, na) 79 #else 80 # define BOOT_TARGET_PXE(func) 81 #endif 82 83 #if CONFIG_IS_ENABLED(CMD_DHCP) 84 # define BOOT_TARGET_DHCP(func) func(DHCP, dhcp, na) 85 #else 86 # define BOOT_TARGET_DHCP(func) 87 #endif 88 89 #define BOOT_TARGET_DEVICES(func) \ 90 func(MMC, mmc, 0) \ 91 func(LEGACY_MMC, legacy_mmc, 0) \ 92 func(MMC, mmc, 1) \ 93 func(LEGACY_MMC, legacy_mmc, 1) \ 94 func(NAND, nand, 0) \ 95 BOOT_TARGET_PXE(func) \ 96 BOOT_TARGET_DHCP(func) 97 98 #include <config_distro_bootcmd.h> 99 100 #ifndef CONFIG_SPL_BUILD 101 #include <environment/ti/dfu.h> 102 #include <environment/ti/mmc.h> 103 104 #define CONFIG_EXTRA_ENV_SETTINGS \ 105 DEFAULT_LINUX_BOOT_ENV \ 106 DEFAULT_MMC_TI_ARGS \ 107 DEFAULT_FIT_TI_ARGS \ 108 "bootpart=0:2\0" \ 109 "bootdir=/boot\0" \ 110 "bootfile=zImage\0" \ 111 "fdtfile=undefined\0" \ 112 "console=ttyO0,115200n8\0" \ 113 "partitions=" \ 114 "uuid_disk=${uuid_gpt_disk};" \ 115 "name=bootloader,start=384K,size=1792K," \ 116 "uuid=${uuid_gpt_bootloader};" \ 117 "name=rootfs,start=2688K,size=-,uuid=${uuid_gpt_rootfs}\0" \ 118 "optargs=\0" \ 119 "ramroot=/dev/ram0 rw\0" \ 120 "ramrootfstype=ext2\0" \ 121 "spiroot=/dev/mtdblock4 rw\0" \ 122 "spirootfstype=jffs2\0" \ 123 "spisrcaddr=0xe0000\0" \ 124 "spiimgsize=0x362000\0" \ 125 "spibusno=0\0" \ 126 "spiargs=setenv bootargs console=${console} " \ 127 "${optargs} " \ 128 "root=${spiroot} " \ 129 "rootfstype=${spirootfstype}\0" \ 130 "ramargs=setenv bootargs console=${console} " \ 131 "${optargs} " \ 132 "root=${ramroot} " \ 133 "rootfstype=${ramrootfstype}\0" \ 134 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 135 "spiboot=echo Booting from spi ...; " \ 136 "run spiargs; " \ 137 "sf probe ${spibusno}:0; " \ 138 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \ 139 "bootz ${loadaddr}\0" \ 140 "ramboot=echo Booting from ramdisk ...; " \ 141 "run ramargs; " \ 142 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ 143 "findfdt="\ 144 "if test $board_name = A335BONE; then " \ 145 "setenv fdtfile am335x-bone.dtb; fi; " \ 146 "if test $board_name = A335BNLT; then " \ 147 "setenv fdtfile am335x-boneblack.dtb; fi; " \ 148 "if test $board_name = A335PBGL; then " \ 149 "setenv fdtfile am335x-pocketbeagle.dtb; fi; " \ 150 "if test $board_name = BBBW; then " \ 151 "setenv fdtfile am335x-boneblack-wireless.dtb; fi; " \ 152 "if test $board_name = BBG1; then " \ 153 "setenv fdtfile am335x-bonegreen.dtb; fi; " \ 154 "if test $board_name = BBGW; then " \ 155 "setenv fdtfile am335x-bonegreen-wireless.dtb; fi; " \ 156 "if test $board_name = BBBL; then " \ 157 "setenv fdtfile am335x-boneblue.dtb; fi; " \ 158 "if test $board_name = A33515BB; then " \ 159 "setenv fdtfile am335x-evm.dtb; fi; " \ 160 "if test $board_name = A335X_SK; then " \ 161 "setenv fdtfile am335x-evmsk.dtb; fi; " \ 162 "if test $board_name = A335_ICE; then " \ 163 "setenv fdtfile am335x-icev2.dtb; fi; " \ 164 "if test $fdtfile = undefined; then " \ 165 "echo WARNING: Could not determine device tree to use; fi; \0" \ 166 "init_console=" \ 167 "if test $board_name = A335_ICE; then "\ 168 "setenv console ttyO3,115200n8;" \ 169 "else " \ 170 "setenv console ttyO0,115200n8;" \ 171 "fi;\0" \ 172 NANDARGS \ 173 NETARGS \ 174 DFUARGS \ 175 BOOTENV 176 #endif 177 178 /* NS16550 Configuration */ 179 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 180 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 181 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 182 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 183 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 184 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 185 186 #define CONFIG_ENV_EEPROM_IS_ON_I2C 187 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 188 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 189 190 /* PMIC support */ 191 #define CONFIG_POWER_TPS65217 192 #define CONFIG_POWER_TPS65910 193 194 /* SPL */ 195 #ifndef CONFIG_NOR_BOOT 196 /* Bootcount using the RTC block */ 197 #define CONFIG_SYS_BOOTCOUNT_BE 198 199 /* USB gadget RNDIS */ 200 #endif 201 202 #ifdef CONFIG_NAND 203 /* NAND: device related configs */ 204 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 205 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 206 CONFIG_SYS_NAND_PAGE_SIZE) 207 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 208 #define CONFIG_SYS_NAND_OOBSIZE 64 209 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 210 /* NAND: driver related configs */ 211 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 212 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 213 10, 11, 12, 13, 14, 15, 16, 17, \ 214 18, 19, 20, 21, 22, 23, 24, 25, \ 215 26, 27, 28, 29, 30, 31, 32, 33, \ 216 34, 35, 36, 37, 38, 39, 40, 41, \ 217 42, 43, 44, 45, 46, 47, 48, 49, \ 218 50, 51, 52, 53, 54, 55, 56, 57, } 219 220 #define CONFIG_SYS_NAND_ECCSIZE 512 221 #define CONFIG_SYS_NAND_ECCBYTES 14 222 #define CONFIG_SYS_NAND_ONFI_DETECTION 223 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW 224 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000 225 /* NAND: SPL related configs */ 226 #ifdef CONFIG_SPL_OS_BOOT 227 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */ 228 #endif 229 #endif /* !CONFIG_NAND */ 230 231 /* 232 * For NOR boot, we must set this to the start of where NOR is mapped 233 * in memory. 234 */ 235 236 /* 237 * USB configuration. We enable MUSB support, both for host and for 238 * gadget. We set USB0 as peripheral and USB1 as host, based on the 239 * board schematic and physical port wired to each. Then for host we 240 * add mass storage support and for gadget we add both RNDIS ethernet 241 * and DFU. 242 */ 243 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT 244 #define CONFIG_AM335X_USB0 245 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 246 #define CONFIG_AM335X_USB1 247 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 248 249 /* 250 * Disable MMC DM for SPL build and can be re-enabled after adding 251 * DM support in SPL 252 */ 253 #ifdef CONFIG_SPL_BUILD 254 #undef CONFIG_DM_MMC 255 #undef CONFIG_TIMER 256 #undef CONFIG_DM_USB 257 #endif 258 259 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USB_ETHER) 260 /* Remove other SPL modes. */ 261 /* disable host part of MUSB in SPL */ 262 /* disable EFI partitions and partition UUID support */ 263 #endif 264 265 /* USB Device Firmware Update support */ 266 #ifndef CONFIG_SPL_BUILD 267 #define DFUARGS \ 268 DFU_ALT_INFO_EMMC \ 269 DFU_ALT_INFO_MMC \ 270 DFU_ALT_INFO_RAM \ 271 DFU_ALT_INFO_NAND 272 #endif 273 274 /* 275 * Default to using SPI for environment, etc. 276 * 0x000000 - 0x020000 : SPL (128KiB) 277 * 0x020000 - 0x0A0000 : U-Boot (512KiB) 278 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB) 279 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB) 280 * 0x0E0000 - 0x442000 : Linux Kernel 281 * 0x442000 - 0x800000 : Userland 282 */ 283 #if defined(CONFIG_SPI_BOOT) 284 /* SPL related */ 285 #define CONFIG_SPL_SPI_LOAD 286 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 287 288 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 289 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 290 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 291 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */ 292 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */ 293 #elif defined(CONFIG_EMMC_BOOT) 294 #define CONFIG_SYS_MMC_ENV_DEV 1 295 #define CONFIG_SYS_MMC_ENV_PART 0 296 #define CONFIG_ENV_OFFSET 0x260000 297 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) 298 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 299 #define CONFIG_SYS_MMC_MAX_DEVICE 2 300 #elif defined(CONFIG_NOR_BOOT) 301 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 302 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */ 303 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */ 304 #elif defined(CONFIG_ENV_IS_IN_NAND) 305 #define CONFIG_ENV_OFFSET 0x001c0000 306 #define CONFIG_ENV_OFFSET_REDUND 0x001e0000 307 #define CONFIG_SYS_ENV_SECT_SIZE CONFIG_SYS_NAND_BLOCK_SIZE 308 #endif 309 310 /* SPI flash. */ 311 #define CONFIG_SF_DEFAULT_SPEED 24000000 312 313 /* Network. */ 314 #define CONFIG_PHY_SMSC 315 /* Enable Atheros phy driver */ 316 #define CONFIG_PHY_ATHEROS 317 318 /* 319 * NOR Size = 16 MiB 320 * Number of Sectors/Blocks = 128 321 * Sector Size = 128 KiB 322 * Word length = 16 bits 323 * Default layout: 324 * 0x000000 - 0x07FFFF : U-Boot (512 KiB) 325 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB) 326 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB) 327 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB) 328 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB) 329 */ 330 #if defined(CONFIG_NOR) 331 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 332 #define CONFIG_SYS_FLASH_PROTECTION 333 #define CONFIG_SYS_FLASH_CFI 334 #define CONFIG_FLASH_CFI_DRIVER 335 #define CONFIG_FLASH_CFI_MTD 336 #define CONFIG_SYS_MAX_FLASH_SECT 128 337 #define CONFIG_SYS_MAX_FLASH_BANKS 1 338 #define CONFIG_SYS_FLASH_BASE (0x08000000) 339 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT 340 #define CONFIG_SYS_FLASH_SIZE 0x01000000 341 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 342 #endif /* NOR support */ 343 344 #ifdef CONFIG_DRIVER_TI_CPSW 345 #define CONFIG_CLOCK_SYNTHESIZER 346 #define CLK_SYNTHESIZER_I2C_ADDR 0x65 347 #endif 348 349 #endif /* ! __CONFIG_AM335X_EVM_H */ 350