diff options
| -rwxr-xr-x | build.sh | 11 | ||||
| -rw-r--r-- | piodev1.prj | 1 | ||||
| -rw-r--r-- | piodev1.ucf | 61 | ||||
| -rw-r--r-- | piodev1.v | 93 | ||||
| -rw-r--r-- | piodev1.xst | 29 |
5 files changed, 195 insertions, 0 deletions
diff --git a/build.sh b/build.sh new file mode 100755 index 0000000..e9668f6 --- /dev/null +++ b/build.sh @@ -0,0 +1,11 @@ +#!/bin/bash +set -xe + +. /opt/Xilinx/14.7/ISE_DS/settings64.sh +mkdir -p xst/projnav.tmp +xst -intstyle ise -ifn piodev1.xst -ofn piodev1.syr +ngdbuild -intstyle ise -dd _ngo -uc piodev1.ucf -p xc9572xl-VQ64-5 piodev1.ngc piodev1.ngd +cpldfit -intstyle ise -p xc9572xl-5-VQ64 -ofmt vhdl -optimize speed -htmlrpt -loc on -slew fast -init low -inputs 54 -pterms 25 -unused float -power std -terminate keeper piodev1.ngd +XSLTProcess piodev1_build.xml +tsim -intstyle ise piodev1 piodev1.nga +hprep6 -s IEEE1149 -n piodev1 -i piodev1 diff --git a/piodev1.prj b/piodev1.prj new file mode 100644 index 0000000..df6d963 --- /dev/null +++ b/piodev1.prj @@ -0,0 +1 @@ +verilog work "piodev1.v" diff --git a/piodev1.ucf b/piodev1.ucf new file mode 100644 index 0000000..f0dc682 --- /dev/null +++ b/piodev1.ucf @@ -0,0 +1,61 @@ +NET nIN_CH LOC=P1; +NET nCS_CH LOC=P2; + +NET D<7> LOC=P4; +NET D<6> LOC=P5; +NET D<5> LOC=P6; +NET D<4> LOC=P7; +NET D<3> LOC=P8; +NET D<2> LOC=P9; +NET D<1> LOC=P10; +NET D<0> LOC=P11; + +NET A20_SRAM LOC=P12; +NET nCS_SRAM LOC=P13; + +NET nRD LOC=P15; +NET nRD BUFG=CLK; +NET nWR LOC=P16; +NET nWR BUFG=CLK; + +NET CLK LOC=P17; +NET CLK BUFG=CLK; + +NET nCS_SW LOC=P18; +NET WR_LEDS LOC=P19; + +NET SWRESET LOC=P23 PULLUP; +NET RECOVERY LOC=P28 PULLUP; + +NET nIN10 LOC=P31; +NET nCS0 LOC=P32; +NET nCS2 LOC=P33; +NET SBEN LOC=P34; + +NET PD<1> LOC=P35; +NET PD<0> LOC=P36; +NET PD<3> LOC=P38; +NET PD<2> LOC=P39; +NET PD<5> LOC=P40; +NET PD<4> LOC=P42; +NET PD<7> LOC=P43; +NET PD<6> LOC=P44; + +NET A0 LOC=P45; +NET A1 LOC=P46; +NET A2 LOC=P47; +NET A3 LOC=P48; +NET A20 LOC=P49; +NET A21 LOC=P50; +NET A22 LOC=P51; + +NET A20_FLASH LOC=P52; +NET nCS_FLASH LOC=P56; + +NET nCS_PORTA LOC=P58; +NET nCS_PORTB LOC=P59; +NET A0_PORTA LOC=P60; +NET nRST_FT LOC=P61; + +NET nRST LOC=P64; +NET nRST BUFG=SR; diff --git a/piodev1.v b/piodev1.v new file mode 100644 index 0000000..4f84636 --- /dev/null +++ b/piodev1.v @@ -0,0 +1,93 @@ +module piodev1( + input nIN_CH, + output nCS_CH, + + inout [0:7] D, + + output A20_SRAM, + output nCS_SRAM, + + input nRD, + input nWR, + + input CLK, + + output nCS_SW, + output WR_LEDS, + + input SWRESET, + input RECOVERY, + + output nIN10, + input nCS0, + input nCS2, + output SBEN, + + inout [0:7] PD, + + input A0, + input A1, + input A2, + input A3, + input A20, + input A21, + input A22, + + output A20_FLASH, + output nCS_FLASH, + + output nCS_PORTA, + output nCS_PORTB, + output A0_PORTA, + output nRST_FT, + + input NRST + ); + +wire CS0 = !nCS0; +wire CS2 = !nCS2; + +wire CS_FLASH = CS2; +wire CS_PORTA = CS0; + +assign nCS_FLASH = !CS_FLASH; +assign nCS_PORTA = !CS_PORTA; + +assign SBEN = 1'b1; + +assign A20_FLASH = A20; + +assign A0_PORTA = 1'b0; + +assign nCS_PORTB = 1'b1; +assign nRST_FT = 1'b1; + +reg PDtoD = 1'b0; +reg [7:0] buffer = 0; + +wire activateOutput = CS0 | CS2; + +always @(negedge nWR or negedge nRD) begin + if (!nWR) begin + PDtoD <= 1'b0; + end + + if (!nRD) begin + PDtoD <= 1'b1; + end +end + +always @(posedge nWR or posedge nRD) begin + if (nWR) begin + buffer <= D; + end + + if (nRD) begin + buffer <= PD; + end +end + +assign D = (PDtoD && activateOutput) ? buffer : 8'bzzzzzzzz; +assign PD = !PDtoD ? buffer : 8'bzzzzzzzz; + +endmodule diff --git a/piodev1.xst b/piodev1.xst new file mode 100644 index 0000000..cb30796 --- /dev/null +++ b/piodev1.xst @@ -0,0 +1,29 @@ +set -tmpdir "xst/projnav.tmp" +set -xsthdpdir "xst" +run +-ifn piodev1.prj +-ifmt mixed +-ofn piodev1 +-ofmt NGC +-p xc9500xl +-top piodev1 +-opt_mode Speed +-opt_level 1 +-iuc NO +-keep_hierarchy Yes +-netlist_hierarchy As_Optimized +-rtlview Yes +-hierarchy_separator / +-bus_delimiter <> +-case Maintain +-verilog2001 YES +-fsm_extract YES -fsm_encoding Auto +-safe_implementation No +-mux_extract Yes +-resource_sharing YES +-iobuf YES +-pld_mp YES +-pld_xp YES +-pld_ce YES +-wysiwyg NO +-equivalent_register_removal YES |