diff options
| author | Alejandro Soto <alejandro@34project.org> | 2022-11-02 23:19:48 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2022-11-02 23:19:48 -0600 |
| commit | 4ef4190e67534168e1e64b810a09c0cd1338e2a9 (patch) | |
| tree | c7e451ef6b153974b5bbf03321c2f9969f4dabea /rtl/bus | |
| parent | fe7ae05a9acbc237e386e9841d63e12c4f5aae42 (diff) | |
Move bus/master.sv to bus_master.sv
Diffstat (limited to 'rtl/bus')
| -rw-r--r-- | rtl/bus/master.sv | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/rtl/bus/master.sv b/rtl/bus/master.sv deleted file mode 100644 index e4a76d2..0000000 --- a/rtl/bus/master.sv +++ /dev/null @@ -1,63 +0,0 @@ -module bus_master -( - input logic clk, - rst, - - input logic[29:0] addr, - input logic start, - write, - output logic ready, - output logic[31:0] data_rd, - input logic[31:0] data_wr, - - output logic[31:0] avl_address, - output logic avl_read, - avl_write, - input logic[31:0] avl_readdata, - output logic[31:0] avl_writedata, - input logic avl_waitrequest, - output logic[3:0] avl_byteenable -); - - enum { - IDLE, - WAIT - } state; - - assign data_rd = avl_readdata; - assign avl_byteenable = 4'b1111; //TODO - - always_comb - unique case(state) - IDLE: ready = 0; - WAIT: ready = !avl_waitrequest; - endcase - - always_ff @(posedge clk) begin - unique case(state) - IDLE: begin - avl_read <= 0; - avl_write <= 0; - end - - WAIT: - if(!start) - state <= IDLE; - endcase - - if(!avl_waitrequest && start) begin - avl_address <= {addr, 2'b00}; - avl_read <= ~write; - avl_write <= write; - avl_writedata <= data_wr; - state <= WAIT; - end - end - - initial begin - state = IDLE; - avl_read = 0; - avl_write = 0; - end - -endmodule |
