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nextpnr/himbaechel/uarch
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YRabbit 5e9a96d358 gowin: Himbaechel. Add SERDES and differential IO 
- experiment with notifyBelChange as an auxiliary cells reservation mechanism;
- since HCLK pips depend on the coordinates, and not on the tile type,
  the tile type is copied if necessary;
- information about supported types of differential IO primitives has
  been added to the extra information of the chip;

Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
 		2023-08-31 08:28:09 +02:00
..
example himbächel: Initial implementation 2023-05-13 08:26:41 +02:00
gowin gowin: Himbaechel. Add SERDES and differential IO 2023-08-31 08:28:09 +02:00