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4 Commits

Author SHA1 Message Date
Sean Cross 0a4c73a63a sw: wip commit -- dfu state machine works, spi broken 
Need to fix SPI and SB_WARMBOOT, but the DFU state machine now works.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-28 11:13:25 +08:00
Sean Cross b0afd2b0ae sw: puts: don't eat first character 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-25 18:59:57 +08:00
Sean Cross 7210ee219d sw: add div/mul instructions 
For foboot, we're using a CPU without a divide or multiply instruction,
to save gates.  Replace these with software implementations.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-21 11:01:46 +08:00
Sean Cross 84d4b40897 foboot: move software stuff to sw directory 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-05 08:54:51 +08:00