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Diffstat (limited to 'tests/intercon/test.v')
| -rw-r--r-- | tests/intercon/test.v | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/tests/intercon/test.v b/tests/intercon/test.v new file mode 100644 index 0000000..1945f44 --- /dev/null +++ b/tests/intercon/test.v @@ -0,0 +1,216 @@ +`default_nettype none + +`include "messages.vh" + +`ifndef MASTER_OPERATIONS_COUNT + `error_MASTER_OPERATIONS_COUNT_must_be_defined +; /* Cause syntax error */ +`endif + +`ifndef SIMULATION + `error_SIMULATION_not_defined +; /* Cause syntax error */ +`endif + +module intercon_test(); + wire M_ACK_I; + wire M_CLK_I; + wire [19:0] M_ADR_O; + wire [15:0] M_DAT_I; + wire [15:0] M_DAT_O; + wire M_RST_I; + wire M_STB_O; + wire M_CYC_O; + wire M_WE_O; + wire M_STALL_I; + + wire S0_ACK_O, S1_ACK_O, S2_ACK_O, S3_ACK_O; + wire S0_CLK_I, S1_CLK_I, S2_CLK_I, S3_CLK_I; + wire [17:0] S0_ADR_I, S1_ADR_I, S2_ADR_I, S3_ADR_I; + wire [15:0] S0_DAT_I, S1_DAT_I, S2_DAT_I, S3_DAT_I; + wire [15:0] S0_DAT_O, S1_DAT_O, S2_DAT_O, S3_DAT_O; + wire S0_RST_I, S1_RST_I, S2_RST_I, S3_RST_I; + wire S0_STB_I, S1_STB_I, S2_STB_I, S3_STB_I; + wire S0_WE_I, S1_WE_I, S2_WE_I, S3_WE_I; + wire S0_STALL_O, S1_STALL_O, S2_STALL_O, S3_STALL_O; + + reg CLK; + reg RST; + + /* Non-wishbone */ + wire M_finished; + + master_model + #(.MASTER_NR(0), + .OPERATIONS_FILE("operations.mem"), + .OPERATIONS_COUNT(`MASTER_OPERATIONS_COUNT) + ) master + ( + .ACK_I(M_ACK_I), + .CLK_I(M_CLK_I), + .ADR_O(M_ADR_O), + .DAT_I(M_DAT_I), + .DAT_O(M_DAT_O), + .RST_I(M_RST_I), + .STB_O(M_STB_O), + .CYC_O(M_CYC_O), + .WE_O(M_WE_O), + .STALL_I(M_STALL_I), + + .finished(M_finished) + ); + + memory_slave_model + #( + .SLAVE_NR(0) + ) slave0 + ( + .ACK_O(S0_ACK_O), + .CLK_I(S0_CLK_I), + .ADR_I(S0_ADR_I), + .DAT_I(S0_DAT_I), + .DAT_O(S0_DAT_O), + .RST_I(S0_RST_I), + .STB_I(S0_STB_I), + .WE_I(S0_WE_I), + .STALL_O(S0_STALL_O) + ); + + memory_slave_model + #( + .SLAVE_NR(1) + ) slave1 + ( + .ACK_O(S1_ACK_O), + .CLK_I(S1_CLK_I), + .ADR_I(S1_ADR_I), + .DAT_I(S1_DAT_I), + .DAT_O(S1_DAT_O), + .RST_I(S1_RST_I), + .STB_I(S1_STB_I), + .WE_I(S1_WE_I), + .STALL_O(S1_STALL_O) + ); + + memory_slave_model + #( + .SLAVE_NR(2) + ) slave2 + ( + .ACK_O(S2_ACK_O), + .CLK_I(S2_CLK_I), + .ADR_I(S2_ADR_I), + .DAT_I(S2_DAT_I), + .DAT_O(S2_DAT_O), + .RST_I(S2_RST_I), + .STB_I(S2_STB_I), + .WE_I(S2_WE_I), + .STALL_O(S2_STALL_O) + ); + + memory_slave_model + #( + .SLAVE_NR(3) + ) slave3 + ( + .ACK_O(S3_ACK_O), + .CLK_I(S3_CLK_I), + .ADR_I(S3_ADR_I), + .DAT_I(S3_DAT_I), + .DAT_O(S3_DAT_O), + .RST_I(S3_RST_I), + .STB_I(S3_STB_I), + .WE_I(S3_WE_I), + .STALL_O(S3_STALL_O) + ); + + intercon intercon + ( + .CLK(CLK), + .RST(RST), + + .S0_ACK_O(S0_ACK_O), + .S0_CLK_I(S0_CLK_I), + .S0_ADR_I(S0_ADR_I), + .S0_DAT_I(S0_DAT_I), + .S0_DAT_O(S0_DAT_O), + .S0_RST_I(S0_RST_I), + .S0_STB_I(S0_STB_I), + .S0_WE_I(S0_WE_I), + .S0_STALL_O(S0_STALL_O), + + .S1_ACK_O(S1_ACK_O), + .S1_CLK_I(S1_CLK_I), + .S1_ADR_I(S1_ADR_I), + .S1_DAT_I(S1_DAT_I), + .S1_DAT_O(S1_DAT_O), + .S1_RST_I(S1_RST_I), + .S1_STB_I(S1_STB_I), + .S1_WE_I(S1_WE_I), + .S1_STALL_O(S1_STALL_O), + + .S2_ACK_O(S2_ACK_O), + .S2_CLK_I(S2_CLK_I), + .S2_ADR_I(S2_ADR_I), + .S2_DAT_I(S2_DAT_I), + .S2_DAT_O(S2_DAT_O), + .S2_RST_I(S2_RST_I), + .S2_STB_I(S2_STB_I), + .S2_WE_I(S2_WE_I), + .S2_STALL_O(S2_STALL_O), + + .S3_ACK_O(S3_ACK_O), + .S3_CLK_I(S3_CLK_I), + .S3_ADR_I(S3_ADR_I), + .S3_DAT_I(S3_DAT_I), + .S3_DAT_O(S3_DAT_O), + .S3_RST_I(S3_RST_I), + .S3_STB_I(S3_STB_I), + .S3_WE_I(S3_WE_I), + .S3_STALL_O(S3_STALL_O), + + .M_ACK_I(M_ACK_I), + .M_CLK_I(M_CLK_I), + .M_ADR_O(M_ADR_O), + .M_DAT_O(M_DAT_O), + .M_DAT_I(M_DAT_I), + .M_RST_I(M_RST_I), + .M_STB_O(M_STB_O), + .M_CYC_O(M_CYC_O), + .M_WE_O(M_WE_O), + .M_STALL_I(M_STALL_I) + ); + + integer i; + + initial begin + CLK <= 0; + RST <= 1; + + for (i = 0; i < 500; i++) begin + #1; + + CLK <= ~CLK; + + if (CLK) + RST <= 0; + + if (M_finished) + $finish; + + /* + * I should delete this debugging code, but from time to time + * it proves so handy, that I just can't do it :/ + */ + // if (!CLK) + // `DBG(({"M_CYC_O: %d M_STB_O: %d M_ACK_I: %d M_STALL_I: %d ", + // "sla: %d sa: %d ca: %d RST: %b"}, + // M_CYC_O, M_STB_O, M_ACK_I, M_STALL_I, + // intercon.slave_last_accessed, intercon.slave_accessed, + // intercon.commands_awaiting, intercon.RST)); + end + + $display("error: master hasn't finished its opertaions in 300 ticks"); + $finish; + end +endmodule // intercon_test |