diff options
Diffstat (limited to 'sources/hdl/verilog/frontend.v')
| -rw-r--r-- | sources/hdl/verilog/frontend.v | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sources/hdl/verilog/frontend.v b/sources/hdl/verilog/frontend.v index 9225bd9..c1ce196 100644 --- a/sources/hdl/verilog/frontend.v +++ b/sources/hdl/verilog/frontend.v @@ -25,6 +25,10 @@ module frontend#(parameter SIM_MEM = "false")( output valid_out, output [`IMEM_ADDR_WIDTH-1:0] addr_out, output ready_in, + + `ifdef HBM_BENDER + output hbm_temp_rd, + `endif // frontend <-> xdma interface input [`XDMA_AXI_DATA_WIDTH-1:0] h2c_tdata_0, @@ -37,6 +41,7 @@ module frontend#(parameter SIM_MEM = "false")( output per_rd_init, output per_zq_init, output per_ref_init + ); reg[31:0] delay_fin; @@ -125,6 +130,10 @@ module frontend#(parameter SIM_MEM = "false")( reg [`IMEM_RD_LATENCY-1:0] valid_out_sr; reg [(`IMEM_RD_LATENCY * `IMEM_ADDR_WIDTH)-1:0] addr_out_sr; + reg hbm_temp_rd_ns, hbm_temp_rd_r; + + assign hbm_temp_rd = hbm_temp_rd_r; + assign user_rst = (|rst_ctr_r); // imem <-> xdma interface @@ -150,6 +159,9 @@ module frontend#(parameter SIM_MEM = "false")( always @* begin aref_en_valid = `LOW; aref_en = `LOW; + `ifdef HBM_BENDER + hbm_temp_rd_ns = `LOW; + `endif state_ns = state_r; xfer_ctr_ns = xfer_ctr_r; rst_ctr_ns = {5{`LOW}}; @@ -182,6 +194,12 @@ module frontend#(parameter SIM_MEM = "false")( aref_en = h2c_tdata_0[0]; state_ns = IDLE_S; end + `ifdef HBM_BENDER + else if(h2c_tdata_0[`INSTR_WIDTH+4]) begin // read HBM temp + hbm_temp_rd_ns = `HIGH; + state_ns = IDLE_S; + end + `endif else begin xfer_ctr_ns = xfer_ctr_r + 1; if(h2c_tlast_0) begin @@ -216,6 +234,9 @@ module frontend#(parameter SIM_MEM = "false")( rst_ctr_r <= rst_ctr_r - 1; else rst_ctr_r <= 0; + `ifdef HBM_BENDER + hbm_temp_rd_r <= 0; + `endif end else begin state_r <= state_ns; @@ -230,6 +251,9 @@ module frontend#(parameter SIM_MEM = "false")( valid_out_sr[`IMEM_RD_LATENCY-1:0] <= valid_out_sr >> 1; addr_out_sr[(`IMEM_RD_LATENCY-1)*`IMEM_ADDR_WIDTH-1:0] <= addr_out_sr >> `IMEM_ADDR_WIDTH; + `endif + `ifdef HBM_BENDER + hbm_temp_rd_r <= hbm_temp_rd_ns; `endif end end |