gary/experiments/primitive_ram/Top.bsv

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package Top;
import ECP5_RAM::*;
(* always_enabled *)
interface Top;
(* prefix="" *)
method Action putA((* port="adc_miso" *) Bool write, (* port="btn" *)Bit#(4) addr, (* port="sd_d" *) Bit#(4) data);
(* prefix="" *)
method Action putB((* port="flash_csn" *) Bool write, (* port="audio_l" *) Bit#(4) addr, (* port="audio_r" *) Bit#(4) data);
(* result="led" *)
method Bit#(8) read();
endinterface
(* synthesize,clock_prefix="clk_25mhz",reset_prefix="audio_v" *)
module mkTop(Top ifc);
EBRPortConfig cfgA = defaultValue;
cfgA.write_mode = Normal;
cfgA.chip_select_addr = 5;
EBRPortConfig cfgB = defaultValue;
cfgB.register_output = True;
let r <- mkEBR(cfgA, cfgB);
Wire#(Bit#(8)) out <- mkDWire(0);
rule collect_output;
out <= {r.portA.read, r.portB.read};
endrule
method Action putA(Bool write, Bit#(4) addr, Bit#(4) data);
r.portA.put(0, write, addr, data);
endmethod
method Action putB(Bool write, Bit#(4) addr, Bit#(4) data);
r.portB.put(0, write, addr, data);
endmethod
method Bit#(8) read();
return out;
endmethod
endmodule
endpackage