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URL https://opencores.org/ocsvn/eco32/eco32/trunk

Subversion Repositories eco32

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  • This comparison shows the changes necessary to convert path 
    /eco32/trunk
    from Rev 190 to Rev 191
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  •

Rev 190 → Rev 191

/fpga/src/eco32.v
47,7 → 47,11
ata_iordy,
slot1_cs_n,
slot2_cs_n,
ether_cs_n);
ether_cs_n,
sw1_3_n,
sw1_4_n,
sw2_n,
sw3_n);
 
// clock and reset
input clk_in;
107,7 → 111,10
// ethernet
output ether_cs_n;
// board I/O
//!!!!!
input sw1_3_n;
input sw1_4_n;
input sw2_n;
input sw3_n;
 
// clk_reset
wire clk;
484,7 → 491,11
.addr(bio_addr),
.data_in(bio_data_in[31:0]),
.data_out(bio_data_out[31:0]),
.wt(bio_wt)
.wt(bio_wt),
.sw1_3_n(sw1_3_n),
.sw1_4_n(sw1_4_n),
.sw2_n(sw2_n),
.sw3_n(sw3_n)
);
 
endmodule
/fpga/src/bio/bio.v
6,7 → 6,9
module bio(clk, reset,
en, wr, addr,
data_in, data_out,
wt);
wt,
sw1_3_n, sw1_4_n,
sw2_n, sw3_n);
// internal interface
input clk;
input reset;
17,10 → 19,23
output [31:0] data_out;
output wt;
// external interface
input sw1_3_n;
input sw1_4_n;
input sw2_n;
input sw3_n;
 
reg [31:0] bio_out;
wire [31:0] bio_in;
 
reg sw1_3_p_n;
reg sw1_3_s_n;
reg sw1_4_p_n;
reg sw1_4_s_n;
reg sw2_p_n;
reg sw2_s_n;
reg sw3_p_n;
reg sw3_s_n;
 
always @(posedge clk) begin
if (reset) begin
bio_out[31:0] <= 32'h0;
35,6 → 50,18
(addr == 0) ? bio_out[31:0] : bio_in[31:0];
assign wt = 0;
 
assign bio_in[31:0] = { 28'h0, 4'h0 };
always @(posedge clk) begin
sw1_3_p_n <= sw1_3_n;
sw1_3_s_n <= sw1_3_p_n;
sw1_4_p_n <= sw1_4_n;
sw1_4_s_n <= sw1_4_p_n;
sw2_p_n <= sw2_n;
sw2_s_n <= sw2_p_n;
sw3_p_n <= sw3_n;
sw3_s_n <= sw3_p_n;
end
 
assign bio_in[31:0] =
{ 28'h0, ~sw1_3_s_n, ~sw1_4_s_n, ~sw2_s_n, ~sw3_s_n };
 
endmodule
/fpga/xsa-xst-3/eco32.ucf
132,7 → 132,7
NET "rs232_1_txd" LOC = "f4";
 
#
# board I/O
# disk, ethernet, etc.
#
NET "ata_cs0_n" LOC = "g15";
NET "ata_cs1_n" LOC = "g14";
166,3 → 166,11
NET "pbus_write_n" LOC = "r1";
NET "slot1_cs_n" LOC = "e15";
NET "slot2_cs_n" LOC = "d16";
 
#
# board I/O
#
NET "sw1_3_n" LOC = "k2";
NET "sw1_4_n" LOC = "j4";
NET "sw2_n" LOC = "e11";
NET "sw3_n" LOC = "a13";
/fpga/xsa-xst-3/eco32.bit Cannot display: file marked as a binary type. svn:mime-type = application/octet-stream

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