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 #define CONFIG_CMD_MEMORY /* for mtest */ 21 #undef CONFIG_GZIP 22 #undef CONFIG_ZLIB 23 #undef CONFIG_SYS_HUSH_PARSER 24 #undef CONFIG_CMD_NET 25 26 #include <asm/arch/cpu.h> 27 #include <asm/arch/hardware.h> 28 29 #define CONFIG_ENV_SIZE 0x400 30 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 * 1024)) 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_CMD_ASKENV 37 #define CONFIG_VERSION_VARIABLE 38 39 /* set to negative value for no autoboot */ 40 #define CONFIG_BOOTDELAY 3 41 #define CONFIG_SYS_AUTOLOAD "no" 42 #define CONFIG_BOOTFILE "uImage" 43 #define CONFIG_EXTRA_ENV_SETTINGS \ 44 "verify=yes\0" \ 45 "ramdisk_file=ramdisk.gz\0" \ 46 47 /* Clock Defines */ 48 #define V_OSCK 24000000 /* Clock output from T2 */ 49 #define V_SCLK (V_OSCK) 50 51 #define CONFIG_CMD_ECHO 52 53 /* max number of command args */ 54 #define CONFIG_SYS_MAXARGS 16 55 56 /* Console I/O Buffer Size */ 57 #define CONFIG_SYS_CBSIZE 512 58 59 /* Print Buffer Size */ 60 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 61 + sizeof(CONFIG_SYS_PROMPT) + 16) 62 63 /* Boot Argument Buffer Size */ 64 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 65 66 /* 67 * memtest works on 8 MB in DRAM after skipping 32MB from 68 * start addr of ram disk 69 */ 70 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024)) 71 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ 72 + (8 * 1024 * 1024)) 73 74 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */ 75 #define CONFIG_SYS_HZ 1000 /* 1ms clock */ 76 77 #define CONFIG_MMC 78 #define CONFIG_GENERIC_MMC 79 #define CONFIG_OMAP_HSMMC 80 #define CONFIG_CMD_MMC 81 #define CONFIG_DOS_PARTITION 82 #define CONFIG_CMD_FAT 83 #define CONFIG_CMD_EXT2 84 85 /* Physical Memory Map */ 86 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 87 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */ 88 #define PHYS_DRAM_1_SIZE 0x10000000 /*(0x80000000 / 8) 256 MB */ 89 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ 90 91 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1 92 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - \ 93 GENERATED_GBL_DATA_SIZE) 94 /* Platform/Board specific defs */ 95 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 96 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 97 #define CONFIG_SYS_HZ 1000 98 99 /* NS16550 Configuration */ 100 #define CONFIG_SYS_NS16550 101 #define CONFIG_SYS_NS16550_SERIAL 102 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 103 #define CONFIG_SYS_NS16550_CLK (48000000) 104 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 105 106 /* I2C Configuration */ 107 #define CONFIG_I2C 108 #define CONFIG_CMD_I2C 109 #define CONFIG_HARD_I2C 110 #define CONFIG_SYS_I2C_SPEED 100000 111 #define CONFIG_SYS_I2C_SLAVE 1 112 #define CONFIG_DRIVER_OMAP24XX_I2C 113 114 #define CONFIG_BAUDRATE 115200 115 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \ 116 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 } 117 118 /* 119 * select serial console configuration 120 */ 121 #define CONFIG_SERIAL1 1 122 #define CONFIG_CONS_INDEX 1 123 #define CONFIG_SYS_CONSOLE_INFO_QUIET 124 125 #define CONFIG_ENV_IS_NOWHERE 126 127 /* Defines for SPL */ 128 #define CONFIG_SPL 129 #define CONFIG_SPL_TEXT_BASE 0x402F0400 130 #define CONFIG_SPL_MAX_SIZE (46 * 1024) 131 #define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK 132 133 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 134 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 135 136 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ 137 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ 138 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1 139 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img" 140 #define CONFIG_SPL_MMC_SUPPORT 141 #define CONFIG_SPL_FAT_SUPPORT 142 #define CONFIG_SPL_I2C_SUPPORT 143 144 #define CONFIG_SPL_LIBCOMMON_SUPPORT 145 #define CONFIG_SPL_LIBDISK_SUPPORT 146 #define CONFIG_SPL_LIBGENERIC_SUPPORT 147 #define CONFIG_SPL_SERIAL_SUPPORT 148 #define CONFIG_SPL_YMODEM_SUPPORT 149 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds" 150 151 /* 152 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 153 * 64 bytes before this address should be set aside for u-boot.img's 154 * header. That is 0x800FFFC0--0x80100000 should not be used for any 155 * other needs. 156 */ 157 #define CONFIG_SYS_TEXT_BASE 0x80800000 158 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 159 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 160 161 /* Since SPL did pll and ddr initialization for us, 162 * we don't need to do it twice. 163 */ 164 #ifndef CONFIG_SPL_BUILD 165 #define CONFIG_SKIP_LOWLEVEL_INIT 166 #endif 167 168 /* Unsupported features */ 169 #undef CONFIG_USE_IRQ 170 171 #endif /* ! __CONFIG_AM335X_EVM_H */ 172