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 25 #include <asm/arch/cpu.h> 26 #include <asm/arch/hardware.h> 27 28 #define CONFIG_DMA_COHERENT 29 #define CONFIG_DMA_COHERENT_SIZE (1 << 20) 30 31 #define CONFIG_ENV_SIZE 0x400 32 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 * 1024)) 33 #define CONFIG_SYS_PROMPT "U-Boot# " 34 #define CONFIG_SYS_NO_FLASH 35 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */ 36 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM 37 38 #define CONFIG_CMD_ASKENV 39 #define CONFIG_VERSION_VARIABLE 40 41 /* set to negative value for no autoboot */ 42 #define CONFIG_BOOTDELAY 3 43 #define CONFIG_SYS_AUTOLOAD "no" 44 #define CONFIG_BOOTFILE "uImage" 45 #define CONFIG_EXTRA_ENV_SETTINGS \ 46 "verify=yes\0" \ 47 "ramdisk_file=ramdisk.gz\0" \ 48 49 /* Clock Defines */ 50 #define V_OSCK 24000000 /* Clock output from T2 */ 51 #define V_SCLK (V_OSCK) 52 53 #define CONFIG_CMD_ECHO 54 55 /* max number of command args */ 56 #define CONFIG_SYS_MAXARGS 16 57 58 /* Console I/O Buffer Size */ 59 #define CONFIG_SYS_CBSIZE 512 60 61 /* Print Buffer Size */ 62 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 63 + sizeof(CONFIG_SYS_PROMPT) + 16) 64 65 /* Boot Argument Buffer Size */ 66 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 67 68 /* 69 * memtest works on 8 MB in DRAM after skipping 32MB from 70 * start addr of ram disk 71 */ 72 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024)) 73 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ 74 + (8 * 1024 * 1024)) 75 76 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */ 77 #define CONFIG_SYS_HZ 1000 /* 1ms clock */ 78 79 #define CONFIG_MMC 80 #define CONFIG_GENERIC_MMC 81 #define CONFIG_OMAP_HSMMC 82 #define CONFIG_CMD_MMC 83 #define CONFIG_DOS_PARTITION 84 #define CONFIG_CMD_FAT 85 #define CONFIG_CMD_EXT2 86 87 /* Physical Memory Map */ 88 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 89 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */ 90 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ 91 92 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1 93 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - \ 94 GENERATED_GBL_DATA_SIZE) 95 /* Platform/Board specific defs */ 96 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 97 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 98 #define CONFIG_SYS_HZ 1000 99 100 /* NS16550 Configuration */ 101 #define CONFIG_SYS_NS16550 102 #define CONFIG_SYS_NS16550_SERIAL 103 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 104 #define CONFIG_SYS_NS16550_CLK (48000000) 105 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 106 107 /* I2C Configuration */ 108 #define CONFIG_I2C 109 #define CONFIG_CMD_I2C 110 #define CONFIG_HARD_I2C 111 #define CONFIG_SYS_I2C_SPEED 100000 112 #define CONFIG_SYS_I2C_SLAVE 1 113 #define CONFIG_I2C_MULTI_BUS 114 #define CONFIG_DRIVER_OMAP24XX_I2C 115 116 #define CONFIG_BAUDRATE 115200 117 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \ 118 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 } 119 120 /* 121 * select serial console configuration 122 */ 123 #define CONFIG_SERIAL1 1 124 #define CONFIG_CONS_INDEX 1 125 #define CONFIG_SYS_CONSOLE_INFO_QUIET 126 127 #define CONFIG_ENV_IS_NOWHERE 128 129 /* Defines for SPL */ 130 #define CONFIG_SPL 131 #define CONFIG_SPL_TEXT_BASE 0x402F0400 132 #define CONFIG_SPL_MAX_SIZE (46 * 1024) 133 #define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK 134 135 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 136 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 137 138 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ 139 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ 140 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1 141 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img" 142 #define CONFIG_SPL_MMC_SUPPORT 143 #define CONFIG_SPL_FAT_SUPPORT 144 #define CONFIG_SPL_I2C_SUPPORT 145 146 #define CONFIG_SPL_LIBCOMMON_SUPPORT 147 #define CONFIG_SPL_LIBDISK_SUPPORT 148 #define CONFIG_SPL_LIBGENERIC_SUPPORT 149 #define CONFIG_SPL_SERIAL_SUPPORT 150 #define CONFIG_SPL_YMODEM_SUPPORT 151 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds" 152 153 /* 154 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 155 * 64 bytes before this address should be set aside for u-boot.img's 156 * header. That is 0x800FFFC0--0x80100000 should not be used for any 157 * other needs. 158 */ 159 #define CONFIG_SYS_TEXT_BASE 0x80800000 160 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 161 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 162 163 /* Since SPL did pll and ddr initialization for us, 164 * we don't need to do it twice. 165 */ 166 #ifndef CONFIG_SPL_BUILD 167 #define CONFIG_SKIP_LOWLEVEL_INIT 168 #endif 169 170 /* Unsupported features */ 171 #undef CONFIG_USE_IRQ 172 173 #define CONFIG_CMD_NET 174 #define CONFIG_CMD_DHCP 175 #define CONFIG_CMD_PING 176 #define CONFIG_DRIVER_TI_CPSW 177 #define CONFIG_MII 178 #define CONFIG_BOOTP_DEFAULT 179 #define CONFIG_BOOTP_DNS 180 #define CONFIG_BOOTP_DNS2 181 #define CONFIG_BOOTP_SEND_HOSTNAME 182 #define CONFIG_BOOTP_GATEWAY 183 #define CONFIG_BOOTP_SUBNETMASK 184 #define CONFIG_NET_RETRY_COUNT 10 185 #define CONFIG_NET_MULTI 186 #define CONFIG_PHY_GIGE 187 #define CONFIG_PHYLIB 188 189 #endif /* ! __CONFIG_AM335X_EVM_H */ 190