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sayma: reduce serwb linerate to 500Mbps

This commit is contained in:
Florent Kermarrec 2018-04-16 22:45:33 +02:00
parent 825a2158ba
commit ca01c8f1cb
2 changed files with 2 additions and 2 deletions
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2
artiq/gateware/targets/sayma_amc.py
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@ -170,7 +170,7 @@ class Standalone(MiniSoC, AMPSoC):
# AMC/RTM serwb
serwb_pads = platform.request("amc_rtm_serwb")
serwb_phy_amc = serwb.phy.SERWBPHY(platform.device, serwb_pads, mode="master")
serwb_phy_amc = serwb.phy.SERWBPHY(platform.device, serwb_pads, mode="master", phy_width=4)
self.submodules.serwb_phy_amc = serwb_phy_amc
self.csr_devices.append("serwb_phy_amc")

2
artiq/gateware/targets/sayma_rtm.py
View File

@ -156,7 +156,7 @@ class SaymaRTM(Module):
# AMC/RTM serwb
serwb_pads = platform.request("amc_rtm_serwb")
platform.add_period_constraint(serwb_pads.clk_p, 10.)
serwb_phy_rtm = serwb.phy.SERWBPHY(platform.device, serwb_pads, mode="slave")
serwb_phy_rtm = serwb.phy.SERWBPHY(platform.device, serwb_pads, mode="slave", phy_width=4)
self.submodules.serwb_phy_rtm = serwb_phy_rtm
self.comb += self.crg.serwb_refclk.eq(serwb_phy_rtm.serdes.refclk)
csr_devices.append("serwb_phy_rtm")