By Thomas.Lange@corelatus.se 2004-Oct-05----------------------------------------DbAu1xx0 are development boards from AMD containingan Alchemy AU1xx0 series cpu with mips32 core.Existing cpu:s are Au1000, Au1100, Au1500 and Au1550Limitations & comments----------------------Support was originally big endian only.I have not tested, but several u-boot users report workingconfigurations in little endian mode.I named the board dbau1x00, to allowsupport for all three development boards( dbau1000, dbau1100 and dbau1500 ).Now there is a new board called dbau1550 also, whichshould be supported RSN.I only have a dbau1000, so my testing is limitedto this board.The board has two different flash banks, that canbe selected via dip switch. This makes it possibleto test new bootloaders without thrashing the YAMONboot loader delivered with board.NOTE! When you switch between the two boot flashes, thebase addresses will be swapped.Have this in mind when you compile u-boot. TEXT_BASE hasto match the address where u-boot is located when youactually launch.Ethernet only supported for mac0.PCMCIA only supported for slot 0, only 3.3V.PCMCIA IDE tested with Sandisk Compact Flash andIBM microdrive.###########################################     NOTE!!!!!!   ############################################If you partition a disk on another system (e.g. laptop),all bytes will be swapped on 16bit level when usingPCMCIA and running cpu in big endian mode!!!!This is probably due to an error in Au1000 chip.Solution:a) Boot via network and partition disk directly fromdbau1x00. The endian will then be correct.b) Partition disk on "laptop" and fill it with all filesyou need. Then write a simple program that endian swapswhole disk,Example:Original "laptop" byte order:B0 B1 B2 B3 B4 B5 B6 B7 B8 B9...Dbau1000 byte order will then be:B1 B0 B3 B2 B5 B4 B7 B6 B9 B8...