miegl/b210-k7-fpga
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Squashed B200 FPGA Source. Code from Josh Blum, Ian Buckley, and Matt Ettus.

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Original-commit: 0df4b801a34697f2058b4a7b95e08d2a0576c9db
This commit is contained in:
Ben Hilburn
2013-10-10 10:17:27 -07:00
commit c91b74de33
488 changed files with 281740 additions and 0 deletions
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top/b200/timing.ucf
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# codec_main_clk is 40 MHz main tcxo clock
NET "codec_main_clk*" TNM_NET = "codec_main_clk";
TIMESPEC "TS_codec_main_clk" = PERIOD "codec_main_clk" 25000 ps HIGH 50 %;
# IFCLK is 100 MHz GPIF clock
NET "IFCLK" TNM_NET = "IFCLK";
TIMESPEC "TS_IFCLK" = PERIOD "IFCLK" 10000 ps HIGH 50 %;
# codec_data_clk is the data clock from catalina, sample rate dependent
# this clock equals sample rate in CMOS DDR 1R1T mode
# this clock is double the sample rate in CMOS DDR 2R2T mode
# Max clock rate is 61.44 MHz
NET "codec_data_clk_p" TNM_NET = "codec_data_clk_p";
TIMESPEC "TS_codec_data_clk_p" = PERIOD "codec_data_clk_p" 16276 ps HIGH 50 %;
#always use IOB for GPIF pins for awesome timing
INST "GPIF_*" IOB = TRUE;
#low speed misc output group
INST "SFDX*" TNM = ls_misc_out;
INST "SRX*" TNM = ls_misc_out;
INST "LED_*" TNM = ls_misc_out;
INST "tx_enable*" TNM = ls_misc_out;
INST "tx_bandsel_*" TNM = ls_misc_out;
INST "rx_bandsel_*" TNM = ls_misc_out;
INST "ref_sel" TNM = ls_misc_out;
INST "*_ce" TNM = ls_misc_out;
INST "*_miso" TNM = ls_misc_out;
INST "*_mosi" TNM = ls_misc_out;
INST "*_sclk" TNM = ls_misc_out;
INST "gps_*" TNM = ls_misc_out;
INST "FPGA_*D0" TNM = ls_misc_out;
#constrain the misc IOs to the bus clock
NET "bus_clk" TNM_NET = "bus_clk";
TIMESPEC "TS_bus_clk" = PERIOD "bus_clk" 10 ns HIGH 50 %;
TIMEGRP "ls_misc_out" OFFSET = OUT 15 ns AFTER "bus_clk" RISING;