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 #define CONFIG_AM33XX 20 21 #include <asm/arch/cpu.h> 22 #include <asm/arch/hardware.h> 23 24 #define CONFIG_DMA_COHERENT 25 #define CONFIG_DMA_COHERENT_SIZE (1 << 20) 26 27 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */ 28 #define CONFIG_SYS_MALLOC_LEN (1024 << 10) 29 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 30 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ 31 #define CONFIG_SYS_PROMPT "U-Boot# " 32 #define CONFIG_SYS_NO_FLASH 33 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */ 34 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM 35 36 #define CONFIG_OF_LIBFDT 37 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 38 #define CONFIG_SETUP_MEMORY_TAGS 39 #define CONFIG_INITRD_TAG 40 41 /* commands to include */ 42 #include <config_cmd_default.h> 43 44 #define CONFIG_CMD_ASKENV 45 #define CONFIG_VERSION_VARIABLE 46 47 /* set to negative value for no autoboot */ 48 #define CONFIG_BOOTDELAY 3 49 #define CONFIG_EXTRA_ENV_SETTINGS \ 50 "loadaddr=0x80200000\0" \ 51 "fdtaddr=0x80F80000\0" \ 52 "rdaddr=0x81000000\0" \ 53 "bootfile=/boot/uImage\0" \ 54 "console=ttyO0,115200n8\0" \ 55 "optargs=\0" \ 56 "mmcdev=0\0" \ 57 "mmcroot=/dev/mmcblk0p2 rw\0" \ 58 "mmcrootfstype=ext4 rootwait\0" \ 59 "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \ 60 "ramrootfstype=ext2\0" \ 61 "mmcargs=setenv bootargs console=${console} " \ 62 "${optargs} " \ 63 "root=${mmcroot} " \ 64 "rootfstype=${mmcrootfstype}\0" \ 65 "bootenv=uEnv.txt\0" \ 66 "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 67 "importbootenv=echo Importing environment from mmc ...; " \ 68 "env import -t $loadaddr $filesize\0" \ 69 "ramargs=setenv bootargs console=${console} " \ 70 "${optargs} " \ 71 "root=${ramroot} " \ 72 "rootfstype=${ramrootfstype}\0" \ 73 "loadramdisk=fatload mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 74 "loaduimagefat=fatload mmc ${mmcdev} ${loadaddr} ${bootfile}\0" \ 75 "loaduimage=ext2load mmc ${mmcdev}:2 ${loadaddr} ${bootfile}\0" \ 76 "mmcboot=echo Booting from mmc ...; " \ 77 "run mmcargs; " \ 78 "bootm ${loadaddr}\0" \ 79 "ramboot=echo Booting from ramdisk ...; " \ 80 "run ramargs; " \ 81 "bootm ${loadaddr}\0" \ 82 83 #define CONFIG_BOOTCOMMAND \ 84 "if mmc rescan ${mmcdev}; then " \ 85 "echo SD/MMC found on device ${mmcdev};" \ 86 "if run loadbootenv; then " \ 87 "echo Loaded environment from ${bootenv};" \ 88 "run importbootenv;" \ 89 "fi;" \ 90 "if test -n $uenvcmd; then " \ 91 "echo Running uenvcmd ...;" \ 92 "run uenvcmd;" \ 93 "fi;" \ 94 "if run loaduimage; then " \ 95 "run mmcboot;" \ 96 "fi;" \ 97 "fi;" \ 98 99 /* Clock Defines */ 100 #define V_OSCK 24000000 /* Clock output from T2 */ 101 #define V_SCLK (V_OSCK) 102 103 #define CONFIG_CMD_ECHO 104 105 /* max number of command args */ 106 #define CONFIG_SYS_MAXARGS 16 107 108 /* Console I/O Buffer Size */ 109 #define CONFIG_SYS_CBSIZE 512 110 111 /* Print Buffer Size */ 112 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 113 + sizeof(CONFIG_SYS_PROMPT) + 16) 114 115 /* Boot Argument Buffer Size */ 116 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 117 118 /* 119 * memtest works on 8 MB in DRAM after skipping 32MB from 120 * start addr of ram disk 121 */ 122 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024)) 123 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ 124 + (8 * 1024 * 1024)) 125 126 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */ 127 #define CONFIG_SYS_HZ 1000 /* 1ms clock */ 128 129 #define CONFIG_MMC 130 #define CONFIG_GENERIC_MMC 131 #define CONFIG_OMAP_HSMMC 132 #define CONFIG_CMD_MMC 133 #define CONFIG_DOS_PARTITION 134 #define CONFIG_CMD_FAT 135 #define CONFIG_CMD_EXT2 136 137 #define CONFIG_SPI 138 #define CONFIG_OMAP3_SPI 139 #define CONFIG_MTD_DEVICE 140 #define CONFIG_SPI_FLASH 141 #define CONFIG_SPI_FLASH_WINBOND 142 #define CONFIG_CMD_SF 143 #define CONFIG_SF_DEFAULT_SPEED (24000000) 144 145 /* Physical Memory Map */ 146 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 147 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */ 148 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ 149 150 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1 151 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ 152 GENERATED_GBL_DATA_SIZE) 153 /* Platform/Board specific defs */ 154 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 155 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 156 #define CONFIG_SYS_HZ 1000 157 158 /* NS16550 Configuration */ 159 #define CONFIG_SYS_NS16550 160 #define CONFIG_SYS_NS16550_SERIAL 161 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 162 #define CONFIG_SYS_NS16550_CLK (48000000) 163 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 164 165 /* I2C Configuration */ 166 #define CONFIG_I2C 167 #define CONFIG_CMD_I2C 168 #define CONFIG_HARD_I2C 169 #define CONFIG_SYS_I2C_SPEED 100000 170 #define CONFIG_SYS_I2C_SLAVE 1 171 #define CONFIG_I2C_MULTI_BUS 172 #define CONFIG_DRIVER_OMAP24XX_I2C 173 #define CONFIG_CMD_EEPROM 174 #define CONFIG_ENV_EEPROM_IS_ON_I2C 175 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 176 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 177 #define CONFIG_SYS_I2C_MULTI_EEPROMS 178 179 #define CONFIG_OMAP_GPIO 180 181 #define CONFIG_BAUDRATE 115200 182 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \ 183 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 } 184 185 /* 186 * select serial console configuration 187 */ 188 #define CONFIG_SERIAL1 1 189 #define CONFIG_CONS_INDEX 1 190 #define CONFIG_SYS_CONSOLE_INFO_QUIET 191 192 #define CONFIG_ENV_IS_NOWHERE 193 194 /* Defines for SPL */ 195 #define CONFIG_SPL 196 #define CONFIG_SPL_TEXT_BASE 0x402F0400 197 #define CONFIG_SPL_MAX_SIZE (46 * 1024) 198 #define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR 199 200 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 201 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 202 203 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ 204 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ 205 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1 206 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img" 207 #define CONFIG_SPL_MMC_SUPPORT 208 #define CONFIG_SPL_FAT_SUPPORT 209 #define CONFIG_SPL_I2C_SUPPORT 210 211 #define CONFIG_SPL_LIBCOMMON_SUPPORT 212 #define CONFIG_SPL_LIBDISK_SUPPORT 213 #define CONFIG_SPL_LIBGENERIC_SUPPORT 214 #define CONFIG_SPL_SERIAL_SUPPORT 215 #define CONFIG_SPL_GPIO_SUPPORT 216 #define CONFIG_SPL_YMODEM_SUPPORT 217 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds" 218 219 /* 220 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 221 * 64 bytes before this address should be set aside for u-boot.img's 222 * header. That is 0x800FFFC0--0x80100000 should not be used for any 223 * other needs. 224 */ 225 #define CONFIG_SYS_TEXT_BASE 0x80800000 226 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 227 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 228 229 /* Since SPL did pll and ddr initialization for us, 230 * we don't need to do it twice. 231 */ 232 #ifndef CONFIG_SPL_BUILD 233 #define CONFIG_SKIP_LOWLEVEL_INIT 234 #endif 235 236 #define CONFIG_CMD_NET 237 #define CONFIG_CMD_DHCP 238 #define CONFIG_CMD_PING 239 #define CONFIG_DRIVER_TI_CPSW 240 #define CONFIG_MII 241 #define CONFIG_BOOTP_DEFAULT 242 #define CONFIG_BOOTP_DNS 243 #define CONFIG_BOOTP_DNS2 244 #define CONFIG_BOOTP_SEND_HOSTNAME 245 #define CONFIG_BOOTP_GATEWAY 246 #define CONFIG_BOOTP_SUBNETMASK 247 #define CONFIG_NET_RETRY_COUNT 10 248 #define CONFIG_NET_MULTI 249 #define CONFIG_PHY_GIGE 250 #define CONFIG_PHYLIB 251 #define CONFIG_PHY_SMSC 252 253 #endif /* ! __CONFIG_AM335X_EVM_H */ 254