1Freescale Amadeus Plus M5253EVBE board 2====================================== 3 4Hayden Fraser(Hayden.Fraser@freescale.com) 5Created 06/05/2007 6=========================================== 7 8 91. SWITCH SETTINGS 10================== 111.1 N/A 12 13 142. MEMORY MAP UNDER U-BOOT AND LINUX KERNEL 15=========================================== 162.1. For the initial bringup, we adopted a consistent memory scheme between U-Boot and 17 linux kernel, you can customize it based on your system requirements: 18 SDR: 0x00000000-0x00ffffff 19 SRAM0: 0x20010000-0x20017fff 20 SRAM1: 0x20000000-0x2000ffff 21 MBAR1: 0x10000000-0x4fffffff 22 MBAR2: 0x80000000-0xCfffffff 23 Flash: 0xffe00000-0xffffffff 24 253. DEFINITIONS AND COMPILATION 26============================== 273.1 Explanation on NEW definitions in include/configs/M5253EVBE.h 28 CONFIG_MCF52x2 Processor family 29 CONFIG_MCF5253 MCF5253 specific 30 CONFIG_SYS_CLK Define Amadeus Plus CPU Clock 31 CONFIG_SYS_MBAR MBAR base address 32 CONFIG_SYS_MBAR2 MBAR2 base address 33 343.2 Compilation 35 export CROSS_COMPILE=/usr/local/freescale-coldfire-4.1-elf/bin/m68k-elf- 36 cd u-boot-1-2-x 37 make distclean 38 make M5253EVBE_config 39 make 40 41 424. SCREEN DUMP 43============== 444.1 U-Boot 1.2.0 (Jun 18 2007 - 18:20:00) 45 46CPU: Freescale Coldfire MCF5253 at 62 MHz 47Board: Freescale MCF5253 EVBE 48DRAM: 16 MB 49FLASH: 2 MB 50In: serial 51Out: serial 52Err: serial 53=> flinfo 54 55Bank # 1: CFI conformant FLASH (16 x 16) Size: 2 MB in 35 Sectors 56 AMD Standard command set, Manufacturer ID: 0x01, Device ID: 0x49 57 Erase timeout: 16384 ms, write timeout: 1 ms 58 59 Sector Start Addresses: 60 FFE00000 RO FFE04000 RO FFE06000 RO FFE08000 RO FFE10000 RO 61 FFE20000 FFE30000 FFE40000 FFE50000 FFE60000 62 FFE70000 FFE80000 FFE90000 FFEA0000 FFEB0000 63 FFEC0000 FFED0000 FFEE0000 FFEF0000 FFF00000 64 FFF10000 FFF20000 FFF30000 FFF40000 FFF50000 65 FFF60000 FFF70000 FFF80000 FFF90000 FFFA0000 66 FFFB0000 FFFC0000 FFFD0000 FFFE0000 FFFF0000 67 68=> bdinfo 69boot_params = 0x00F62F90 70memstart = 0x00000000 71memsize = 0x01000000 72flashstart = 0xFFE00000 73flashsize = 0x00200000 74flashoffset = 0x00000000 75baudrate = 19200 bps 76 77=> printenv 78bootdelay=5 79baudrate=19200 80stdin=serial 81stdout=serial 82stderr=serial 83 84Environment size: 134/8188 bytes 85=> saveenv 86Saving Environment to Flash... 87Un-Protected 1 sectors 88Erasing Flash... 89. done 90Erased 1 sectors 91Writing to Flash... done 92Protected 1 sectors 93=> 94 955. COMPILER 96----------- 97To create U-Boot the CodeSourcery's version of the GNU Toolchain for the ColdFire architecture 98compiler set (freescale-coldfire-4.1-elf) from www.codesourcery.com was used. 99You can download it from:http://www.codesourcery.com/gnu_toolchains/coldfire/download.html 100 101compiler that you used - for example, codesourcery_elf requires -MQ in rules.mk, old M68K 2.95.3 just -M 102codesourcery_elf requires -MQ in rules.mk, old M68K 2.95.3 just -M 103