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https://github.com/retroSoC/retroSoC.git
synced 2026-11-06 14:55:14 +00:00
maksyuki
6eedacd2f7
- Updated test files to change instances of ribp_if to apb4_if in various test cases, ensuring consistency with the new APB4 interface. - Modified assertions and checks in tests to reflect the new APB4 naming conventions, including changes in expected output and input files. - Adjusted the test descriptions to accurately represent the APB4 functionality being tested, particularly in timer, UART, and GPIO tests. - Ensured that all relevant paths and file names in the tests are updated to point to the new APB4 implementations, maintaining the integrity of the test suite.
62 lines
1.9 KiB
Systemverilog
62 lines
1.9 KiB
Systemverilog
// Shared APB4 master helpers for unit tests.
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// The including module must provide clk_i and an apb4_if instance.
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`ifndef APB4_BFM_IF
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`define APB4_BFM_IF apb4
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`endif
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task automatic apb4_idle();
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begin
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`APB4_BFM_IF.psel = 1'b0;
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`APB4_BFM_IF.penable = 1'b0;
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`APB4_BFM_IF.pwrite = 1'b0;
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`APB4_BFM_IF.paddr = '0;
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`APB4_BFM_IF.pwdata = '0;
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`APB4_BFM_IF.pstrb = '0;
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`APB4_BFM_IF.pprot = '0;
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end
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endtask
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task automatic apb4_xfer(input logic [31:0] address, input logic write, input logic [31:0] wdata,
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input logic [3:0] strobe, input logic expected_error,
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output logic [31:0] rdata);
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begin
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@(negedge clk_i);
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`APB4_BFM_IF.paddr = address;
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`APB4_BFM_IF.pwdata = wdata;
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`APB4_BFM_IF.pstrb = write ? strobe : 4'h0;
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`APB4_BFM_IF.pwrite = write;
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`APB4_BFM_IF.pprot = '0;
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`APB4_BFM_IF.psel = 1'b1;
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`APB4_BFM_IF.penable = 1'b0;
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@(negedge clk_i);
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`APB4_BFM_IF.penable = 1'b1;
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while (!`APB4_BFM_IF.pready) begin
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@(negedge clk_i);
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end
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if (`APB4_BFM_IF.pslverr !== expected_error) begin
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$fatal(1, "APB4 %s %h error=%b expected=%b", write ? "write" : "read", address,
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`APB4_BFM_IF.pslverr, expected_error);
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end
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rdata = `APB4_BFM_IF.prdata;
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`APB4_BFM_IF.psel = 1'b0;
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`APB4_BFM_IF.penable = 1'b0;
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`APB4_BFM_IF.pwrite = 1'b0;
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`APB4_BFM_IF.pstrb = '0;
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end
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endtask
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task automatic apb4_write(input logic [31:0] address, input logic [31:0] data,
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input logic [3:0] strobe, input logic expected_error);
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logic [31:0] unused_rdata;
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begin
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apb4_xfer(address, 1'b1, data, strobe, expected_error, unused_rdata);
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end
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endtask
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task automatic apb4_read(input logic [31:0] address, input logic expected_error,
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output logic [31:0] data);
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begin
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apb4_xfer(address, 1'b0, 32'd0, 4'h0, expected_error, data);
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end
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endtask
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