From 295c7e7b98df98989f3fb4505e44f0be52813d81 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Mon, 2 Jul 2012 12:56:22 -0700 Subject: B100: squash B100 top level work Implements timed commands and FIFO control. Uses control and data FIFOs for GPIF. Implements a common core for E100/B100. --- usrp2/top/B100/timing.ucf | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) (limited to 'usrp2/top/B100/timing.ucf') diff --git a/usrp2/top/B100/timing.ucf b/usrp2/top/B100/timing.ucf index 96c47cf2c..c4404e1d0 100644 --- a/usrp2/top/B100/timing.ucf +++ b/usrp2/top/B100/timing.ucf @@ -5,10 +5,15 @@ NET "IFCLK" TNM_NET = "IFCLK"; TIMESPEC "TS_IFCLK" = PERIOD "IFCLK" 20833 ps HIGH 50 %; #constrain FX2 IO -NET "GPIF_D<*>" MAXDELAY = 5.5 ns; -NET "GPIF_CTL<*>" MAXDELAY = 5.5 ns; -NET "GPIF_ADR<*>" MAXDELAY = 5.5ns; -NET "GPIF_SLWR" MAXDELAY = 5.5 ns; -NET "GPIF_SLRD" MAXDELAY = 5.5 ns; -NET "GPIF_SLOE" MAXDELAY = 5.5 ns; -NET "GPIF_PKTEND" MAXDELAY = 5.5 ns; +INST "GPIF_D<*>" TNM = gpif_net_in; +INST "GPIF_CTL<*>" TNM = gpif_net_in; + +INST "GPIF_D<*>" TNM = gpif_net_out; +INST "GPIF_ADR<*>" TNM = gpif_net_out; +INST "GPIF_SLWR" TNM = gpif_net_out; +INST "GPIF_SLOE" TNM = gpif_net_out; +INST "GPIF_SLRD" TNM = gpif_net_out; +INST "GPIF_PKTEND" TNM = gpif_net_out; + +TIMEGRP "gpif_net_in" OFFSET = IN 7 ns VALID 14 ns BEFORE "IFCLK" RISING; +TIMEGRP "gpif_net_out" OFFSET = OUT 7 ns AFTER "IFCLK" RISING; -- cgit v1.2.3