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oh/gpio/dv/dut_gpio.v
Andreas Olofsson ebc011b1c7 Adding gpio circuit
-work in progress
-compiles and read/write to some registers work
2016-01-23 00:09:14 -05:00

100 lines
2.7 KiB
Verilog

module dut(/*AUTOARG*/
// Outputs
dut_active, wait_out, access_out, packet_out,
// Inputs
clk, nreset, vdd, vss, access_in, packet_in, wait_in
);
parameter AW = 32;
parameter DW = 32;
parameter CW = 2;
parameter IDW = 12;
parameter M_IDW = 6;
parameter S_IDW = 12;
parameter PW = 104;
parameter N = 1;
//#######################################
//# CLOCK AND RESET
//#######################################
input clk;
input nreset;
input [N*N-1:0] vdd;
input vss;
output dut_active;
//#######################################
//#EMESH INTERFACE
//#######################################
//Stimulus Driven Transaction
input [N-1:0] access_in;
input [N*PW-1:0] packet_in;
output [N-1:0] wait_out;
//DUT driven transactoin
output [N-1:0] access_out;
output [N*PW-1:0] packet_out;
input [N-1:0] wait_in;
/*AUTOINPUT*/
/*AUTOWIRE*/
// Beginning of automatic wires (for undeclared instantiated-module outputs)
wire [AW-1:0] gpio_en; // From gpio of gpio.v
wire [AW-1:0] gpio_ilat; // From gpio of gpio.v
wire gpio_irq; // From gpio of gpio.v
wire [AW-1:0] gpio_out; // From gpio of gpio.v
wire [31:0] reg_rdata; // From gpio of gpio.v
// End of automatics
wire [AW-1:0] gpio_in; // To gpio of gpio.v
reg [N-1:0] access_out;
//######################################################################
//DUT
//######################################################################
assign gpio_in[AW-1:0] = 32'h87654321;
assign wait_out[N-1:0] = 'b0;
assign dut_active = 1'b1;
always @ (posedge clk)
access_out[0] <= access_in[0] & ~packet_in[0];
emesh2packet e2p (// Outputs
.packet_out (packet_out[PW-1:0]),
// Inputs
.write_out (1'b0),
.datamode_out (2'b10),
.ctrlmode_out (5'b0),
.dstaddr_out ({(AW){1'b0}}),
.data_out (reg_rdata[AW-1:0]),
.srcaddr_out ({(AW){1'b0}})
);
/*gpio AUTO_TEMPLATE(.gpio_irq (gpio_irq),
.gpio_\(.*\) (gpio_\1[AW-1:0]),
);
*/
gpio #(.N(AW))
gpio (.reg_access (access_in[0]),
.reg_packet (packet_in[PW-1:0]),
.gpio_in (gpio_in[AW-1:0]),
/*AUTOINST*/
// Outputs
.reg_rdata (reg_rdata[31:0]),
.gpio_out (gpio_out[AW-1:0]), // Templated
.gpio_en (gpio_en[AW-1:0]), // Templated
.gpio_irq (gpio_irq), // Templated
.gpio_ilat (gpio_ilat[AW-1:0]), // Templated
// Inputs
.nreset (nreset),
.clk (clk));
endmodule // dut
// Local Variables:
// verilog-library-directories:("." "../hdl" "../../emesh/hdl")
// End: