diff options
Diffstat (limited to 'rtl/gfx/gfx_flush_flow.sv')
| -rw-r--r-- | rtl/gfx/gfx_flush_flow.sv | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/rtl/gfx/gfx_flush_flow.sv b/rtl/gfx/gfx_flush_flow.sv deleted file mode 100644 index a0e43d7..0000000 --- a/rtl/gfx/gfx_flush_flow.sv +++ /dev/null @@ -1,45 +0,0 @@ -module gfx_flush_flow -#(parameter STAGES=0) -( - input logic clk, - rst_n, - - input logic in_valid, - out_ready, - - output logic out_valid, - commit, - flush -); - - logic was_valid, was_ready; - logic[STAGES - 1:0] valid; - - assign flush = was_valid && !was_ready; - assign commit = was_valid && was_ready; - assign out_valid = valid[STAGES - 1] && !flush; - - always_ff @(posedge clk or negedge rst_n) - if (!rst_n) begin - was_ready <= 0; - was_valid <= 0; - - for (integer i = 0; i < STAGES; ++i) - valid[i] <= 0; - end else begin - was_ready <= out_ready; - was_valid <= out_valid; - - if (!flush) - valid[0] <= in_valid; - else - valid[0] <= 0; - - for (integer i = 1; i < STAGES; ++i) - if (!flush) - valid[i] <= valid[i - 1]; - else - valid[i] <= 0; - end - -endmodule |
