Port io_expander code from Kasli #214
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Reference: M-Labs/artiq-zynq#214
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Delete Branch "esavkin/artiq-zynq:213-sfp-fiber-support"
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Closes #213
Enables SFP fiber support in Kasli SoC.
Needs to be applied to release-7 branch
WIP: Port io_expander code from Kaslito Port io_expander code from Kasli@ -117,0 +122,4 @@
io_expander0.init().expect("I2C I/O expander #0 initialization failed");
io_expander1.init().expect("I2C I/O expander #1 initialization failed");
// Actively drive TX_DISABLE to false on SFP0..3
Needs to be done in satman as well.
Maybe do it in another PR? It looks like i2c logic in satman needs to be refactored to make io_expander shared
Looks like it's a super simple "refactoring" but ok if you want...
Seems acceptable otherwise.