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Diffstat (limited to 'board/dbau1x00')
| -rw-r--r-- | board/dbau1x00/README | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/board/dbau1x00/README b/board/dbau1x00/README index 024fbbe..d8f9ecc 100644 --- a/board/dbau1x00/README +++ b/board/dbau1x00/README @@ -1,30 +1,40 @@ -By Thomas.Lange@corelatus.se 2003-10-06 +By Thomas.Lange@corelatus.se 2004-Oct-05 ---------------------------------------- -DbAu1000 is a development board from AMD containing -an Alchemy AU1000 with mips32 core. +DbAu1xx0 are development boards from AMD containing +an Alchemy AU1xx0 series cpu with mips32 core. +Existing cpu:s are Au1000, Au1100, Au1500 and Au1550 Limitations & comments ---------------------- -I assume that you set board to BIG endian! -Little endian not tested, most probably broken. +Support was originally big endian only. +I have not tested, but several u-boot users report working +configurations in little endian mode. I named the board dbau1x00, to allow support for all three development boards -some day ( dbau1000, dbau1100 and dbau1500 ). +( dbau1000, dbau1100 and dbau1500 ). +Now there is a new board called dbau1550 also, which +should be supported RSN. -I only have a dbau1000, so all testing is limited -to this board! +I only have a dbau1000, so my testing is limited +to this board. The board has two different flash banks, that can be selected via dip switch. This makes it possible to test new bootloaders without thrashing the YAMON -boot loader deliviered with board. +boot loader delivered with board. + +NOTE! When you switch between the two boot flashes, the +base addresses will be swapped. +Have this in mind when you compile u-boot. TEXT_BASE has +to match the address where u-boot is located when you +actually launch. Ethernet only supported for mac0. -Pcmcia only supported for slot 0, only 3.3V. +PCMCIA only supported for slot 0, only 3.3V. -Pcmcia IDE tested with Sandisk Compact Flash and +PCMCIA IDE tested with Sandisk Compact Flash and IBM microdrive. ################################### @@ -32,7 +42,7 @@ IBM microdrive. ################################### If you partition a disk on another system (e.g. laptop), all bytes will be swapped on 16bit level when using -PCMCIA!!!! +PCMCIA and running cpu in big endian mode!!!! This is probably due to an error in Au1000 chip. |