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Merge pull request #727 from betrusted-io/master 

fix a timing error in the S7 OPI block
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bunnie 2020-12-10 23:17:29 +08:00 committed by GitHub
parent ee41fbb338 8ee0fdbf8e
commit ef6fd57613
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litex/soc/cores/spi_opi.py
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@ -1393,7 +1393,7 @@ class S7SPIOPI(Module, AutoCSR, AutoDoc):
]) ])
self.comb += self.ecc_status.fields.ecc_error.eq(ecs_n) self.comb += self.ecc_status.fields.ecc_error.eq(ecs_n)
self.comb += [ self.sync += [
ecs_pulse.eq(ecs_n_delay & ~ecs_n), # falling edge -> positive pulse ecs_pulse.eq(ecs_n_delay & ~ecs_n), # falling edge -> positive pulse
If(ecs_pulse, If(ecs_pulse,
self.ecc_address.fields.ecc_address.eq(rom_addr), self.ecc_address.fields.ecc_address.eq(rom_addr),