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