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_AM335X 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_SETUP_PLL 30 #define CONFIG_AM335X_CONFIG_DDR 31 #define CONFIG_ENV_SIZE 0x400 32 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 * 1024)) 33 #define CONFIG_SYS_PROMPT "AM335X# " 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 >> 1) 52 53 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for 54 initial data */ 55 #define CONFIG_CMD_ECHO 56 57 /* max number of command args */ 58 #define CONFIG_SYS_MAXARGS 32 59 60 /* Console I/O Buffer Size */ 61 #define CONFIG_SYS_CBSIZE 512 62 63 /* Print Buffer Size */ 64 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 65 + sizeof(CONFIG_SYS_PROMPT) + 16) 66 67 /* Boot Argument Buffer Size */ 68 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 69 70 /* 71 * memtest works on 8 MB in DRAM after skipping 32MB from 72 * start addr of ram disk 73 */ 74 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024)) 75 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ 76 + (8 * 1024 * 1024)) 77 78 #undef CONFIG_SYS_CLKS_IN_HZ /* everything, incl board info, in Hz */ 79 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */ 80 #define CONFIG_SYS_HZ 1000 /* 1ms clock */ 81 82 /* Physical Memory Map */ 83 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 84 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */ 85 #define PHYS_DRAM_1_SIZE 0x10000000 /*(0x80000000 / 8) 256 MB */ 86 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ 87 88 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1 89 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - \ 90 GENERATED_GBL_DATA_SIZE) 91 /* Platform/Board specific defs */ 92 #define CONFIG_SYS_CLK_FREQ 24000000 93 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 94 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 95 #define CONFIG_SYS_HZ 1000 96 97 /* NS16550 Configuration */ 98 #define CONFIG_SYS_NS16550 99 #define CONFIG_SYS_NS16550_SERIAL 100 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 101 #define CONFIG_SYS_NS16550_CLK (48000000) 102 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 103 #define CONFIG_SYS_NS16550_COM4 0x481A6000 /* UART3 on IA BOard */ 104 105 #define CONFIG_BAUDRATE 115200 106 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \ 107 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 } 108 109 /* 110 * select serial console configuration 111 */ 112 #define CONFIG_SERIAL1 1 113 #define CONFIG_CONS_INDEX 1 114 #define CONFIG_SYS_CONSOLE_INFO_QUIET 115 116 #define CONFIG_ENV_IS_NOWHERE 117 118 #define CONFIG_SYS_TEXT_BASE 0x402f0400 119 120 /* Unsupported features */ 121 #undef CONFIG_USE_IRQ 122 123 #endif /* ! __CONFIG_AM335X_EVM_H */ 124