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authorJosh Blum <josh@joshknows.com>2012-07-02 12:56:22 -0700
committerJosh Blum <josh@joshknows.com>2012-07-02 12:56:22 -0700
commit295c7e7b98df98989f3fb4505e44f0be52813d81 (patch)
treec4f9b219d198cecd06c7091680ce7ad47ff3430d /usrp2/top/B100/timing.ucf
parentc19e10d790e99cc555510cb121437ba56278c3f6 (diff)
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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.
Diffstat (limited to 'usrp2/top/B100/timing.ucf')
-rw-r--r--usrp2/top/B100/timing.ucf19
1 files changed, 12 insertions, 7 deletions
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;