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_TIMESTAMP 23 #endif 24 25 #define CONFIG_SYS_BOOTM_LEN (16 << 20) 26 27 #define CONFIG_MACH_TYPE MACH_TYPE_AM335XEVM 28 29 /* Clock Defines */ 30 #define V_OSCK 24000000 /* Clock output from T2 */ 31 #define V_SCLK (V_OSCK) 32 33 /* Custom script for NOR */ 34 #define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds" 35 36 /* Always 128 KiB env size */ 37 #define CONFIG_ENV_SIZE (128 << 10) 38 39 #ifdef CONFIG_NAND 40 #define NANDARGS \ 41 "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \ 42 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ 43 "nandargs=setenv bootargs console=${console} " \ 44 "${optargs} " \ 45 "root=${nandroot} " \ 46 "rootfstype=${nandrootfstype}\0" \ 47 "nandroot=ubi0:rootfs rw ubi.mtd=NAND.file-system,2048\0" \ 48 "nandrootfstype=ubifs rootwait=1\0" \ 49 "nandboot=echo Booting from nand ...; " \ 50 "run nandargs; " \ 51 "nand read ${fdtaddr} NAND.u-boot-spl-os; " \ 52 "nand read ${loadaddr} NAND.kernel; " \ 53 "bootz ${loadaddr} - ${fdtaddr}\0" 54 #else 55 #define NANDARGS "" 56 #endif 57 58 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 59 60 #define BOOTENV_DEV_LEGACY_MMC(devtypeu, devtypel, instance) \ 61 "bootcmd_" #devtypel #instance "=" \ 62 "setenv mmcdev " #instance"; "\ 63 "setenv bootpart " #instance":2 ; "\ 64 "run mmcboot\0" 65 66 #define BOOTENV_DEV_NAME_LEGACY_MMC(devtypeu, devtypel, instance) \ 67 #devtypel #instance " " 68 69 #define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \ 70 "bootcmd_" #devtypel "=" \ 71 "run nandboot\0" 72 73 #define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \ 74 #devtypel #instance " " 75 76 #define BOOT_TARGET_DEVICES(func) \ 77 func(MMC, mmc, 0) \ 78 func(LEGACY_MMC, legacy_mmc, 0) \ 79 func(MMC, mmc, 1) \ 80 func(LEGACY_MMC, legacy_mmc, 1) \ 81 func(NAND, nand, 0) \ 82 func(PXE, pxe, na) \ 83 func(DHCP, dhcp, na) 84 85 #include <config_distro_bootcmd.h> 86 87 #ifndef CONFIG_SPL_BUILD 88 #include <environment/ti/dfu.h> 89 #include <environment/ti/mmc.h> 90 91 #define CONFIG_EXTRA_ENV_SETTINGS \ 92 DEFAULT_LINUX_BOOT_ENV \ 93 DEFAULT_MMC_TI_ARGS \ 94 DEFAULT_FIT_TI_ARGS \ 95 "bootpart=0:2\0" \ 96 "bootdir=/boot\0" \ 97 "bootfile=zImage\0" \ 98 "fdtfile=undefined\0" \ 99 "console=ttyO0,115200n8\0" \ 100 "partitions=" \ 101 "uuid_disk=${uuid_gpt_disk};" \ 102 "name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \ 103 "optargs=\0" \ 104 "ramroot=/dev/ram0 rw\0" \ 105 "ramrootfstype=ext2\0" \ 106 "spiroot=/dev/mtdblock4 rw\0" \ 107 "spirootfstype=jffs2\0" \ 108 "spisrcaddr=0xe0000\0" \ 109 "spiimgsize=0x362000\0" \ 110 "spibusno=0\0" \ 111 "spiargs=setenv bootargs console=${console} " \ 112 "${optargs} " \ 113 "root=${spiroot} " \ 114 "rootfstype=${spirootfstype}\0" \ 115 "ramargs=setenv bootargs console=${console} " \ 116 "${optargs} " \ 117 "root=${ramroot} " \ 118 "rootfstype=${ramrootfstype}\0" \ 119 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 120 "spiboot=echo Booting from spi ...; " \ 121 "run spiargs; " \ 122 "sf probe ${spibusno}:0; " \ 123 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \ 124 "bootz ${loadaddr}\0" \ 125 "ramboot=echo Booting from ramdisk ...; " \ 126 "run ramargs; " \ 127 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ 128 "findfdt="\ 129 "if test $board_name = A335BONE; then " \ 130 "setenv fdtfile am335x-bone.dtb; fi; " \ 131 "if test $board_name = A335BNLT; then " \ 132 "setenv fdtfile am335x-boneblack.dtb; fi; " \ 133 "if test $board_name = BBBW; then " \ 134 "setenv fdtfile am335x-boneblack-wireless.dtb; fi; " \ 135 "if test $board_name = BBG1; then " \ 136 "setenv fdtfile am335x-bonegreen.dtb; fi; " \ 137 "if test $board_name = BBGW; then " \ 138 "setenv fdtfile am335x-bonegreen-wireless.dtb; fi; " \ 139 "if test $board_name = BBBL; then " \ 140 "setenv fdtfile am335x-boneblue.dtb; fi; " \ 141 "if test $board_name = A33515BB; then " \ 142 "setenv fdtfile am335x-evm.dtb; fi; " \ 143 "if test $board_name = A335X_SK; then " \ 144 "setenv fdtfile am335x-evmsk.dtb; fi; " \ 145 "if test $board_name = A335_ICE; then " \ 146 "setenv fdtfile am335x-icev2.dtb; fi; " \ 147 "if test $fdtfile = undefined; then " \ 148 "echo WARNING: Could not determine device tree to use; fi; \0" \ 149 "init_console=" \ 150 "if test $board_name = A335_ICE; then "\ 151 "setenv console ttyO3,115200n8;" \ 152 "else " \ 153 "setenv console ttyO0,115200n8;" \ 154 "fi;\0" \ 155 NANDARGS \ 156 NETARGS \ 157 DFUARGS \ 158 BOOTENV 159 #endif 160 161 /* NS16550 Configuration */ 162 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 163 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 164 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 165 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 166 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 167 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 168 169 #define CONFIG_ENV_EEPROM_IS_ON_I2C 170 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 171 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 172 173 /* PMIC support */ 174 #define CONFIG_POWER_TPS65217 175 #define CONFIG_POWER_TPS65910 176 177 /* SPL */ 178 #ifndef CONFIG_NOR_BOOT 179 /* Bootcount using the RTC block */ 180 #define CONFIG_BOOTCOUNT_LIMIT 181 #define CONFIG_BOOTCOUNT_AM33XX 182 #define CONFIG_SYS_BOOTCOUNT_BE 183 184 /* USB gadget RNDIS */ 185 #endif 186 187 #ifdef CONFIG_NAND 188 /* NAND: device related configs */ 189 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 190 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 191 CONFIG_SYS_NAND_PAGE_SIZE) 192 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 193 #define CONFIG_SYS_NAND_OOBSIZE 64 194 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 195 /* NAND: driver related configs */ 196 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 197 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 198 10, 11, 12, 13, 14, 15, 16, 17, \ 199 18, 19, 20, 21, 22, 23, 24, 25, \ 200 26, 27, 28, 29, 30, 31, 32, 33, \ 201 34, 35, 36, 37, 38, 39, 40, 41, \ 202 42, 43, 44, 45, 46, 47, 48, 49, \ 203 50, 51, 52, 53, 54, 55, 56, 57, } 204 205 #define CONFIG_SYS_NAND_ECCSIZE 512 206 #define CONFIG_SYS_NAND_ECCBYTES 14 207 #define CONFIG_SYS_NAND_ONFI_DETECTION 208 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW 209 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000 210 /* NAND: SPL related configs */ 211 #ifdef CONFIG_SPL_OS_BOOT 212 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */ 213 #endif 214 #endif /* !CONFIG_NAND */ 215 216 /* 217 * For NOR boot, we must set this to the start of where NOR is mapped 218 * in memory. 219 */ 220 #ifdef CONFIG_NOR_BOOT 221 #define CONFIG_SYS_TEXT_BASE 0x08000000 222 #endif 223 224 /* 225 * USB configuration. We enable MUSB support, both for host and for 226 * gadget. We set USB0 as peripheral and USB1 as host, based on the 227 * board schematic and physical port wired to each. Then for host we 228 * add mass storage support and for gadget we add both RNDIS ethernet 229 * and DFU. 230 */ 231 #define CONFIG_USB_MUSB_DSPS 232 #define CONFIG_USB_MUSB_PIO_ONLY 233 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT 234 #define CONFIG_AM335X_USB0 235 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 236 #define CONFIG_AM335X_USB1 237 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 238 239 /* 240 * Disable MMC DM for SPL build and can be re-enabled after adding 241 * DM support in SPL 242 */ 243 #ifdef CONFIG_SPL_BUILD 244 #undef CONFIG_DM_MMC 245 #undef CONFIG_TIMER 246 #undef CONFIG_DM_USB 247 #endif 248 249 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT) 250 /* Remove other SPL modes. */ 251 /* disable host part of MUSB in SPL */ 252 /* disable EFI partitions and partition UUID support */ 253 #endif 254 255 /* USB Device Firmware Update support */ 256 #ifndef CONFIG_SPL_BUILD 257 #define DFUARGS \ 258 DFU_ALT_INFO_EMMC \ 259 DFU_ALT_INFO_MMC \ 260 DFU_ALT_INFO_RAM \ 261 DFU_ALT_INFO_NAND 262 #endif 263 264 /* 265 * Default to using SPI for environment, etc. 266 * 0x000000 - 0x020000 : SPL (128KiB) 267 * 0x020000 - 0x0A0000 : U-Boot (512KiB) 268 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB) 269 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB) 270 * 0x0E0000 - 0x442000 : Linux Kernel 271 * 0x442000 - 0x800000 : Userland 272 */ 273 #if defined(CONFIG_SPI_BOOT) 274 /* SPL related */ 275 #define CONFIG_SPL_SPI_LOAD 276 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 277 278 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 279 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 280 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */ 281 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */ 282 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */ 283 #elif defined(CONFIG_EMMC_BOOT) 284 #define CONFIG_SYS_MMC_ENV_DEV 1 285 #define CONFIG_SYS_MMC_ENV_PART 2 286 #define CONFIG_ENV_OFFSET 0x0 287 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) 288 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT 289 #define CONFIG_SYS_MMC_MAX_DEVICE 2 290 #elif defined(CONFIG_NOR_BOOT) 291 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 292 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */ 293 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */ 294 #elif defined(CONFIG_ENV_IS_IN_NAND) 295 #define CONFIG_ENV_OFFSET 0x001c0000 296 #define CONFIG_ENV_OFFSET_REDUND 0x001e0000 297 #define CONFIG_SYS_ENV_SECT_SIZE CONFIG_SYS_NAND_BLOCK_SIZE 298 #endif 299 300 /* SPI flash. */ 301 #define CONFIG_SF_DEFAULT_SPEED 24000000 302 303 /* Network. */ 304 #define CONFIG_PHY_SMSC 305 /* Enable Atheros phy driver */ 306 #define CONFIG_PHY_ATHEROS 307 308 /* 309 * NOR Size = 16 MiB 310 * Number of Sectors/Blocks = 128 311 * Sector Size = 128 KiB 312 * Word length = 16 bits 313 * Default layout: 314 * 0x000000 - 0x07FFFF : U-Boot (512 KiB) 315 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB) 316 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB) 317 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB) 318 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB) 319 */ 320 #if defined(CONFIG_NOR) 321 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 322 #define CONFIG_SYS_FLASH_PROTECTION 323 #define CONFIG_SYS_FLASH_CFI 324 #define CONFIG_FLASH_CFI_DRIVER 325 #define CONFIG_FLASH_CFI_MTD 326 #define CONFIG_SYS_MAX_FLASH_SECT 128 327 #define CONFIG_SYS_MAX_FLASH_BANKS 1 328 #define CONFIG_SYS_FLASH_BASE (0x08000000) 329 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT 330 #define CONFIG_SYS_FLASH_SIZE 0x01000000 331 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 332 #endif /* NOR support */ 333 334 #ifdef CONFIG_DRIVER_TI_CPSW 335 #define CONFIG_CLOCK_SYNTHESIZER 336 #define CLK_SYNTHESIZER_I2C_ADDR 0x65 337 #endif 338 339 #endif /* ! __CONFIG_AM335X_EVM_H */ 340