1 /* 2 * (C) Copyright 2015 3 * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de 4 * 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #ifndef __CONFIG_H 10 #define __CONFIG_H 11 12 /* 13 * DDR Setup 14 */ 15 #define CONFIG_SYS_SDRAM_BASE 0x00000000 /* DDR is system memory */ 16 /* TODO: Check: Can this be unified with CONFIG_SYS_SDRAM_BASE? */ 17 #define CONFIG_SYS_DDR_SDRAM_BASE CONFIG_SYS_SDRAM_BASE 18 19 /* 20 * Memory test 21 * TODO: Migrate! 22 */ 23 24 /* 25 * The reserved memory 26 */ 27 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* start of monitor */ 28 29 #define CONFIG_SYS_MONITOR_LEN (512 * 1024) /* Reserve 512 kB for Mon */ 30 #define CONFIG_SYS_MALLOC_LEN (512 * 1024) /* Reserved for malloc */ 31 32 /* 33 * Initial RAM Base Address Setup 34 */ 35 #define CONFIG_SYS_INIT_RAM_LOCK 36 #define CONFIG_SYS_INIT_RAM_ADDR 0xE6000000 /* Initial RAM address */ 37 #define CONFIG_SYS_INIT_RAM_SIZE 0x1000 /* Size of used area in RAM */ 38 #define CONFIG_SYS_GBL_DATA_OFFSET \ 39 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 40 41 /* 42 * FLASH on the Local Bus 43 */ 44 #define CONFIG_SYS_FLASH_BASE 0xFE000000 /* FLASH base address */ 45 #define CONFIG_SYS_FLASH_SIZE 8 /* FLASH size is up to 8M */ 46 47 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* number of banks */ 48 #define CONFIG_SYS_MAX_FLASH_SECT 135 49 50 #define CONFIG_SYS_BAUDRATE_TABLE \ 51 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200} 52 53 /* 54 * Environment 55 */ 56 57 #define CONFIG_LOADS_ECHO /* echo on for serial download */ 58 #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */ 59 60 /* 61 * Miscellaneous configurable options 62 */ 63 #define CONFIG_SYS_LOAD_ADDR 0x2000000 /* default load address */ 64 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1ms ticks */ 65 66 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ 67 68 /* Print Buffer Size */ 69 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 70 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 71 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 72 73 /* 74 * For booting Linux, the board info and command line data 75 * have to be in the first 256 MB of memory, since this is 76 * the maximum mapped by the Linux kernel during initialization. 77 */ 78 #define CONFIG_SYS_BOOTMAPSZ (256 << 20) /* Initial Memory map for Linux */ 79 80 /* 81 * Environment Configuration 82 */ 83 84 #define CONFIG_HAS_ETH0 85 #define CONFIG_HAS_ETH1 86 87 #define CONFIG_LOADADDR 800000 /* default location for tftp and bootm */ 88 89 /* TODO: Turn into string option and migrate to Kconfig */ 90 #define CONFIG_HOSTNAME "gazerbeam" 91 #define CONFIG_ROOTPATH "/opt/nfsroot" 92 #define CONFIG_BOOTFILE "uImage" 93 94 #define CONFIG_EXTRA_ENV_SETTINGS \ 95 "netdev=eth0\0" \ 96 "consoledev=ttyS1\0" \ 97 "u-boot=u-boot.bin\0" \ 98 "kernel_addr=1000000\0" \ 99 "fdt_addr=C00000\0" \ 100 "fdtfile=hrcon.dtb\0" \ 101 "load=tftp ${loadaddr} ${u-boot}\0" \ 102 "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) \ 103 " +${filesize};era " __stringify(CONFIG_SYS_MONITOR_BASE)\ 104 " +${filesize};cp.b ${fileaddr} " \ 105 __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \ 106 "upd=run load update\0" \ 107 108 #define CONFIG_NFSBOOTCOMMAND \ 109 "setenv bootargs root=/dev/nfs rw " \ 110 "nfsroot=$serverip:$rootpath " \ 111 "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \ 112 "console=$consoledev,$baudrate $othbootargs;" \ 113 "tftp ${kernel_addr} $bootfile;" \ 114 "tftp ${fdt_addr} $fdtfile;" \ 115 "bootm ${kernel_addr} - ${fdt_addr}" 116 117 #define CONFIG_MMCBOOTCOMMAND \ 118 "setenv bootargs root=/dev/mmcblk0p3 rw rootwait " \ 119 "console=$consoledev,$baudrate $othbootargs;" \ 120 "ext2load mmc 0:2 ${kernel_addr} $bootfile;" \ 121 "ext2load mmc 0:2 ${fdt_addr} $fdtfile;" \ 122 "bootm ${kernel_addr} - ${fdt_addr}" 123 124 #define CONFIG_BOOTCOMMAND CONFIG_MMCBOOTCOMMAND 125 126 #endif /* __CONFIG_H */ 127