// ================================================================ // NVDLA Open Source Project // // Copyright(c) 2016 - 2017 NVIDIA Corporation. Licensed under the // NVDLA Open Hardware License; Check "LICENSE" which comes with // this distribution for more information. // ================================================================ // File Name: NV_NVDLA_CDMA_CVT_cell.v module NV_NVDLA_CDMA_CVT_cell ( cfg_mul_in_rsc_z //|< i ,cfg_in_precision //|< i ,cfg_out_precision //|< i ,cfg_truncate //|< i ,chn_alu_in_rsc_vz //|< i ,chn_alu_in_rsc_z //|< i ,chn_data_in_rsc_vz //|< i ,chn_data_in_rsc_z //|< i ,chn_data_out_rsc_vz //|< i ,nvdla_core_clk //|< i ,nvdla_core_rstn //|< i ,chn_alu_in_rsc_lz //|> o ,chn_data_in_rsc_lz //|> o ,chn_data_out_rsc_lz //|> o ,chn_data_out_rsc_z //|> o ); input [15:0] cfg_mul_in_rsc_z; input [1:0] cfg_in_precision; input [1:0] cfg_out_precision; input [5:0] cfg_truncate; input chn_alu_in_rsc_vz; input [15:0] chn_alu_in_rsc_z; input chn_data_in_rsc_vz; input [16:0] chn_data_in_rsc_z; input chn_data_out_rsc_vz; input nvdla_core_clk; input nvdla_core_rstn; output chn_alu_in_rsc_lz; output chn_data_in_rsc_lz; output chn_data_out_rsc_lz; output [15:0] chn_data_out_rsc_z; wire [15:0] cfg_mul_in; wire [17:0] chn_alu_ext; wire [15:0] chn_alu_in; wire chn_alu_prdy; wire chn_alu_pvld; wire [17:0] chn_data_ext; wire [16:0] chn_data_in; wire [15:0] chn_data_out; wire [15:0] chn_dout; wire chn_in_prdy; wire chn_in_pvld; wire chn_out_prdy; wire chn_out_pvld; wire chn_sync_prdy; wire chn_sync_pvld; wire [15:0] dout_int16_sat; wire [7:0] dout_int8_sat; wire mon_sub_c; wire [33:0] mul_data_out; wire [33:0] mul_dout; wire mul_out_prdy; wire mul_out_pvld; wire [17:0] sub_data_out; wire [17:0] sub_dout; wire sub_out_prdy; wire sub_out_pvld; wire [16:0] tru_data_out; wire [16:0] tru_dout; wire tru_out_prdy; wire tru_out_pvld; // synoff nets // monitor nets // debug nets // tie high nets // tie low nets // no connect nets // not all bits used nets // todo nets assign chn_in_pvld = chn_data_in_rsc_vz; assign chn_alu_pvld = chn_alu_in_rsc_vz; assign chn_data_in[16:0] = chn_data_in_rsc_z[16:0]; assign chn_alu_in[15:0] = chn_alu_in_rsc_z[15:0]; assign cfg_mul_in[15:0] = cfg_mul_in_rsc_z[15:0]; assign chn_out_prdy = chn_data_out_rsc_vz; assign chn_data_in_rsc_lz = chn_in_prdy; assign chn_alu_in_rsc_lz = chn_alu_prdy; assign chn_data_out_rsc_lz = chn_out_pvld; assign chn_data_out_rsc_z[15:0] = chn_data_out[15:0]; assign chn_sync_pvld = chn_alu_pvld & chn_in_pvld; assign chn_alu_prdy = chn_sync_prdy & chn_in_pvld; assign chn_in_prdy = chn_sync_prdy & chn_alu_pvld; assign chn_data_ext[17:0] = {{1{chn_data_in[16]}}, chn_data_in[16:0]}; assign chn_alu_ext[17:0] = {{2{chn_alu_in[15]}}, chn_alu_in[15:0]}; //sub assign {mon_sub_c,sub_dout[17:0]} = $signed(chn_data_ext[17:0]) -$signed(chn_alu_ext[17:0]); NV_NVDLA_CDMA_CVT_CELL_pipe_p1 pipe_p1 ( .nvdla_core_clk (nvdla_core_clk) //|< i ,.nvdla_core_rstn (nvdla_core_rstn) //|< i ,.chn_sync_pvld (chn_sync_pvld) //|< w ,.sub_dout (sub_dout[17:0]) //|< w ,.sub_out_prdy (sub_out_prdy) //|< w ,.chn_sync_prdy (chn_sync_prdy) //|> w ,.sub_data_out (sub_data_out[17:0]) //|> w ,.sub_out_pvld (sub_out_pvld) //|> w ); //mul assign mul_dout[33:0] = $signed(sub_data_out[17:0]) * $signed(cfg_mul_in[15:0]); NV_NVDLA_CDMA_CVT_CELL_pipe_p2 pipe_p2 ( .nvdla_core_clk (nvdla_core_clk) //|< i ,.nvdla_core_rstn (nvdla_core_rstn) //|< i ,.mul_dout (mul_dout[33:0]) //|< w ,.mul_out_prdy (mul_out_prdy) //|< w ,.sub_out_pvld (sub_out_pvld) //|< w ,.mul_data_out (mul_data_out[33:0]) //|> w ,.mul_out_pvld (mul_out_pvld) //|> w ,.sub_out_prdy (sub_out_prdy) //|> w ); //truncate NV_NVDLA_HLS_shiftrightsu #(.IN_WIDTH(34 ),.OUT_WIDTH(17 ),.SHIFT_WIDTH(6 )) u_shiftright_su ( .data_in (mul_data_out[33:0]) //|< w ,.shift_num (cfg_truncate[5:0]) //|< i ,.data_out (tru_dout[16:0]) //|> w ); //signed //unsigned assign tru_data_out[16:0] = tru_dout[16:0]; assign tru_out_pvld = mul_out_pvld; assign mul_out_prdy = tru_out_prdy; NV_NVDLA_HLS_saturate #(.IN_WIDTH(17 ),.OUT_WIDTH(16 )) u_saturate_int16 ( .data_in (tru_data_out[16:0]) //|< w ,.data_out (dout_int16_sat[15:0]) //|> w ); NV_NVDLA_HLS_saturate #(.IN_WIDTH(17 ),.OUT_WIDTH(8 )) u_saturate_int8 ( .data_in (tru_data_out[16:0]) //|< w ,.data_out (dout_int8_sat[7:0]) //|> w ); assign chn_dout = (cfg_out_precision[1:0] == 1 ) ? dout_int16_sat[15:0] : {{(16 - 8 ){dout_int8_sat[8 -1]}},dout_int8_sat[7:0]}; NV_NVDLA_CDMA_CVT_CELL_pipe_p3 pipe_p3 ( .nvdla_core_clk (nvdla_core_clk) //|< i ,.nvdla_core_rstn (nvdla_core_rstn) //|< i ,.chn_dout (chn_dout[15:0]) //|< w ,.chn_out_prdy (chn_out_prdy) //|< w ,.tru_out_pvld (tru_out_pvld) //|< w ,.chn_data_out (chn_data_out[15:0]) //|> w ,.chn_out_pvld (chn_out_pvld) //|> w ,.tru_out_prdy (tru_out_prdy) //|> w ); endmodule // NV_NVDLA_CDMA_CVT_cell // ************************************************************************************************************** // Generated by ::pipe -m -bc -rand none -is sub_data_out[17:0] (sub_out_pvld,sub_out_prdy) <= sub_dout[17:0] (chn_sync_pvld,chn_sync_prdy) // ************************************************************************************************************** module NV_NVDLA_CDMA_CVT_CELL_pipe_p1 ( nvdla_core_clk ,nvdla_core_rstn ,chn_sync_pvld ,sub_dout ,sub_out_prdy ,chn_sync_prdy ,sub_data_out ,sub_out_pvld ); input nvdla_core_clk; input nvdla_core_rstn; input chn_sync_pvld; input [17:0] sub_dout; input sub_out_prdy; output chn_sync_prdy; output [17:0] sub_data_out; output sub_out_pvld; reg chn_sync_prdy; reg [17:0] p1_pipe_data; reg p1_pipe_ready; reg p1_pipe_ready_bc; reg p1_pipe_valid; reg p1_skid_catch; reg [17:0] p1_skid_data; reg [17:0] p1_skid_pipe_data; reg p1_skid_pipe_ready; reg p1_skid_pipe_valid; reg p1_skid_ready; reg p1_skid_ready_flop; reg p1_skid_valid; reg [17:0] sub_data_out; reg sub_out_pvld; //## pipe (1) skid buffer always @( chn_sync_pvld or p1_skid_ready_flop or p1_skid_pipe_ready or p1_skid_valid ) begin p1_skid_catch = chn_sync_pvld && p1_skid_ready_flop && !p1_skid_pipe_ready; p1_skid_ready = (p1_skid_valid)? p1_skid_pipe_ready : !p1_skid_catch; end always @(posedge nvdla_core_clk or negedge nvdla_core_rstn) begin if (!nvdla_core_rstn) begin p1_skid_valid <= 1'b0; p1_skid_ready_flop <= 1'b1; chn_sync_prdy <= 1'b1; end else begin p1_skid_valid <= (p1_skid_valid)? !p1_skid_pipe_ready : p1_skid_catch; p1_skid_ready_flop <= p1_skid_ready; chn_sync_prdy <= p1_skid_ready; end end always @(posedge nvdla_core_clk) begin // VCS sop_coverage_off start p1_skid_data <= (p1_skid_catch)? sub_dout[17:0] : p1_skid_data; // VCS sop_coverage_off end end always @( p1_skid_ready_flop or chn_sync_pvld or p1_skid_valid or sub_dout or p1_skid_data ) begin p1_skid_pipe_valid = (p1_skid_ready_flop)? chn_sync_pvld : p1_skid_valid; // VCS sop_coverage_off start p1_skid_pipe_data = (p1_skid_ready_flop)? sub_dout[17:0] : p1_skid_data; // VCS sop_coverage_off end end //## pipe (1) valid-ready-bubble-collapse always @( p1_pipe_ready or p1_pipe_valid ) begin p1_pipe_ready_bc = p1_pipe_ready || !p1_pipe_valid; end always @(posedge nvdla_core_clk or negedge nvdla_core_rstn) begin if (!nvdla_core_rstn) begin p1_pipe_valid <= 1'b0; end else begin p1_pipe_valid <= (p1_pipe_ready_bc)? p1_skid_pipe_valid : 1'd1; end end always @(posedge nvdla_core_clk) begin // VCS sop_coverage_off start p1_pipe_data <= (p1_pipe_ready_bc && p1_skid_pipe_valid)? p1_skid_pipe_data : p1_pipe_data; // VCS sop_coverage_off end end always @( p1_pipe_ready_bc ) begin p1_skid_pipe_ready = p1_pipe_ready_bc; end //## pipe (1) output always @( p1_pipe_valid or sub_out_prdy or p1_pipe_data ) begin sub_out_pvld = p1_pipe_valid; p1_pipe_ready = sub_out_prdy; sub_data_out[17:0] = p1_pipe_data; end //## pipe (1) assertions/testpoints `ifndef VIVA_PLUGIN_PIPE_DISABLE_ASSERTIONS wire p1_assert_clk = nvdla_core_clk; `ifdef SPYGLASS_ASSERT_ON `else // spyglass disable_block NoWidthInBasedNum-ML // spyglass disable_block STARC-2.10.3.2a // spyglass disable_block STARC05-2.1.3.1 // spyglass disable_block STARC-2.1.4.6 // spyglass disable_block W116 // spyglass disable_block W154 // spyglass disable_block W239 // spyglass disable_block W362 // spyglass disable_block WRN_58 // spyglass disable_block WRN_61 `endif // SPYGLASS_ASSERT_ON `ifdef ASSERT_ON `ifdef FV_ASSERT_ON `define ASSERT_RESET nvdla_core_rstn `else `ifdef SYNTHESIS `define ASSERT_RESET nvdla_core_rstn `else `ifdef ASSERT_OFF_RESET_IS_X `define ASSERT_RESET ((1'bx === nvdla_core_rstn) ? 1'b0 : nvdla_core_rstn) `else `define ASSERT_RESET ((1'bx === nvdla_core_rstn) ? 1'b1 : nvdla_core_rstn) `endif // ASSERT_OFF_RESET_IS_X `endif // SYNTHESIS `endif // FV_ASSERT_ON `ifndef SYNTHESIS // VCS coverage off nv_assert_no_x #(0,1,0,"No X's allowed on control signals") zzz_assert_no_x_1x (nvdla_core_clk, `ASSERT_RESET, nvdla_core_rstn, (sub_out_pvld^sub_out_prdy^chn_sync_pvld^chn_sync_prdy)); // spyglass disable W504 SelfDeterminedExpr-ML // VCS coverage on `endif `undef ASSERT_RESET `endif // ASSERT_ON `ifdef SPYGLASS_ASSERT_ON `else // spyglass enable_block NoWidthInBasedNum-ML // spyglass enable_block STARC-2.10.3.2a // spyglass enable_block STARC05-2.1.3.1 // spyglass enable_block STARC-2.1.4.6 // spyglass enable_block W116 // spyglass enable_block W154 // spyglass enable_block W239 // spyglass enable_block W362 // spyglass enable_block WRN_58 // spyglass enable_block WRN_61 `endif // SPYGLASS_ASSERT_ON `ifdef SPYGLASS_ASSERT_ON `else // spyglass disable_block NoWidthInBasedNum-ML // spyglass disable_block STARC-2.10.3.2a // spyglass disable_block STARC05-2.1.3.1 // spyglass disable_block STARC-2.1.4.6 // spyglass disable_block W116 // spyglass disable_block W154 // spyglass disable_block W239 // spyglass disable_block W362 // spyglass disable_block WRN_58 // spyglass disable_block WRN_61 `endif // SPYGLASS_ASSERT_ON `ifdef ASSERT_ON `ifdef FV_ASSERT_ON `define ASSERT_RESET nvdla_core_rstn `else `ifdef SYNTHESIS `define ASSERT_RESET nvdla_core_rstn `else `ifdef ASSERT_OFF_RESET_IS_X `define ASSERT_RESET ((1'bx === nvdla_core_rstn) ? 1'b0 : nvdla_core_rstn) `else `define ASSERT_RESET ((1'bx === nvdla_core_rstn) ? 1'b1 : nvdla_core_rstn) `endif // ASSERT_OFF_RESET_IS_X `endif // SYNTHESIS `endif // FV_ASSERT_ON // VCS coverage off nv_assert_hold_throughout_event_interval #(0,1,0,"valid removed before ready") zzz_assert_hold_throughout_event_interval_2x (nvdla_core_clk, `ASSERT_RESET, (chn_sync_pvld && !chn_sync_prdy), (chn_sync_pvld), (chn_sync_prdy)); // spyglass disable W504 SelfDeterminedExpr-ML // VCS coverage on `undef ASSERT_RESET `endif // ASSERT_ON `ifdef SPYGLASS_ASSERT_ON `else // spyglass enable_block NoWidthInBasedNum-ML // spyglass enable_block STARC-2.10.3.2a // spyglass enable_block STARC05-2.1.3.1 // spyglass enable_block STARC-2.1.4.6 // spyglass enable_block W116 // spyglass enable_block W154 // spyglass enable_block W239 // spyglass enable_block W362 // spyglass enable_block WRN_58 // spyglass enable_block WRN_61 `endif // SPYGLASS_ASSERT_ON `endif endmodule // NV_NVDLA_CDMA_CVT_CELL_pipe_p1 // ************************************************************************************************************** // Generated by ::pipe -m -bc -rand none -is mul_data_out[33:0] (mul_out_pvld,mul_out_prdy) <= mul_dout[33:0] (sub_out_pvld,sub_out_prdy) // ************************************************************************************************************** module NV_NVDLA_CDMA_CVT_CELL_pipe_p2 ( nvdla_core_clk ,nvdla_core_rstn ,mul_dout ,mul_out_prdy ,sub_out_pvld ,mul_data_out ,mul_out_pvld ,sub_out_prdy ); input nvdla_core_clk; input nvdla_core_rstn; input [33:0] mul_dout; input mul_out_prdy; input sub_out_pvld; output [33:0] mul_data_out; output mul_out_pvld; output sub_out_prdy; reg [33:0] mul_data_out; reg mul_out_pvld; reg [33:0] p2_pipe_data; reg p2_pipe_ready; reg p2_pipe_ready_bc; reg p2_pipe_valid; reg p2_skid_catch; reg [33:0] p2_skid_data; reg [33:0] p2_skid_pipe_data; reg p2_skid_pipe_ready; reg p2_skid_pipe_valid; reg p2_skid_ready; reg p2_skid_ready_flop; reg p2_skid_valid; reg sub_out_prdy; //## pipe (2) skid buffer always @( sub_out_pvld or p2_skid_ready_flop or p2_skid_pipe_ready or p2_skid_valid ) begin p2_skid_catch = sub_out_pvld && p2_skid_ready_flop && !p2_skid_pipe_ready; p2_skid_ready = (p2_skid_valid)? p2_skid_pipe_ready : !p2_skid_catch; end always @(posedge nvdla_core_clk or negedge nvdla_core_rstn) begin if (!nvdla_core_rstn) begin p2_skid_valid <= 1'b0; p2_skid_ready_flop <= 1'b1; sub_out_prdy <= 1'b1; end else begin p2_skid_valid <= (p2_skid_valid)? !p2_skid_pipe_ready : p2_skid_catch; p2_skid_ready_flop <= p2_skid_ready; sub_out_prdy <= p2_skid_ready; end end always @(posedge nvdla_core_clk) begin // VCS sop_coverage_off start p2_skid_data <= (p2_skid_catch)? mul_dout[33:0] : p2_skid_data; // VCS sop_coverage_off end end always @( p2_skid_ready_flop or sub_out_pvld or p2_skid_valid or mul_dout or p2_skid_data ) begin p2_skid_pipe_valid = (p2_skid_ready_flop)? sub_out_pvld : p2_skid_valid; // VCS sop_coverage_off start p2_skid_pipe_data = (p2_skid_ready_flop)? mul_dout[33:0] : p2_skid_data; // VCS sop_coverage_off end end //## pipe (2) valid-ready-bubble-collapse always @( p2_pipe_ready or p2_pipe_valid ) begin p2_pipe_ready_bc = p2_pipe_ready || !p2_pipe_valid; end always @(posedge nvdla_core_clk or negedge nvdla_core_rstn) begin if (!nvdla_core_rstn) begin p2_pipe_valid <= 1'b0; end else begin p2_pipe_valid <= (p2_pipe_ready_bc)? p2_skid_pipe_valid : 1'd1; end end always @(posedge nvdla_core_clk) begin // VCS sop_coverage_off start p2_pipe_data <= (p2_pipe_ready_bc && p2_skid_pipe_valid)? p2_skid_pipe_data : p2_pipe_data; // VCS sop_coverage_off end end always @( p2_pipe_ready_bc ) begin p2_skid_pipe_ready = p2_pipe_ready_bc; end //## pipe (2) output always @( p2_pipe_valid or mul_out_prdy or p2_pipe_data ) begin mul_out_pvld = p2_pipe_valid; p2_pipe_ready = mul_out_prdy; mul_data_out[33:0] = p2_pipe_data; end //## pipe (2) assertions/testpoints `ifndef VIVA_PLUGIN_PIPE_DISABLE_ASSERTIONS wire p2_assert_clk = nvdla_core_clk; `ifdef SPYGLASS_ASSERT_ON `else // spyglass disable_block NoWidthInBasedNum-ML // spyglass disable_block STARC-2.10.3.2a // spyglass disable_block STARC05-2.1.3.1 // spyglass disable_block STARC-2.1.4.6 // spyglass disable_block W116 // spyglass disable_block W154 // spyglass disable_block W239 // spyglass disable_block W362 // spyglass disable_block WRN_58 // spyglass disable_block WRN_61 `endif // SPYGLASS_ASSERT_ON `ifdef ASSERT_ON `ifdef FV_ASSERT_ON `define ASSERT_RESET nvdla_core_rstn `else `ifdef SYNTHESIS `define ASSERT_RESET nvdla_core_rstn `else `ifdef ASSERT_OFF_RESET_IS_X `define ASSERT_RESET ((1'bx === nvdla_core_rstn) ? 1'b0 : nvdla_core_rstn) `else `define ASSERT_RESET ((1'bx === nvdla_core_rstn) ? 1'b1 : nvdla_core_rstn) `endif // ASSERT_OFF_RESET_IS_X `endif // SYNTHESIS `endif // FV_ASSERT_ON `ifndef SYNTHESIS // VCS coverage off nv_assert_no_x #(0,1,0,"No X's allowed on control signals") zzz_assert_no_x_3x (nvdla_core_clk, `ASSERT_RESET, nvdla_core_rstn, (mul_out_pvld^mul_out_prdy^sub_out_pvld^sub_out_prdy)); // spyglass disable W504 SelfDeterminedExpr-ML // VCS coverage on `endif `undef ASSERT_RESET `endif // ASSERT_ON `ifdef SPYGLASS_ASSERT_ON `else // spyglass enable_block NoWidthInBasedNum-ML // spyglass enable_block STARC-2.10.3.2a // spyglass enable_block STARC05-2.1.3.1 // spyglass enable_block STARC-2.1.4.6 // spyglass enable_block W116 // spyglass enable_block W154 // spyglass enable_block W239 // spyglass enable_block W362 // spyglass enable_block WRN_58 // spyglass enable_block WRN_61 `endif // SPYGLASS_ASSERT_ON `ifdef SPYGLASS_ASSERT_ON `else // spyglass disable_block NoWidthInBasedNum-ML // spyglass disable_block STARC-2.10.3.2a // spyglass disable_block STARC05-2.1.3.1 // spyglass disable_block STARC-2.1.4.6 // spyglass disable_block W116 // spyglass disable_block W154 // spyglass disable_block W239 // spyglass disable_block W362 // spyglass disable_block WRN_58 // spyglass disable_block WRN_61 `endif // SPYGLASS_ASSERT_ON `ifdef ASSERT_ON `ifdef FV_ASSERT_ON `define ASSERT_RESET nvdla_core_rstn `else `ifdef SYNTHESIS `define ASSERT_RESET nvdla_core_rstn `else `ifdef ASSERT_OFF_RESET_IS_X `define ASSERT_RESET ((1'bx === nvdla_core_rstn) ? 1'b0 : nvdla_core_rstn) `else `define ASSERT_RESET ((1'bx === nvdla_core_rstn) ? 1'b1 : nvdla_core_rstn) `endif // ASSERT_OFF_RESET_IS_X `endif // SYNTHESIS `endif // FV_ASSERT_ON // VCS coverage off nv_assert_hold_throughout_event_interval #(0,1,0,"valid removed before ready") zzz_assert_hold_throughout_event_interval_4x (nvdla_core_clk, `ASSERT_RESET, (sub_out_pvld && !sub_out_prdy), (sub_out_pvld), (sub_out_prdy)); // spyglass disable W504 SelfDeterminedExpr-ML // VCS coverage on `undef ASSERT_RESET `endif // ASSERT_ON `ifdef SPYGLASS_ASSERT_ON `else // spyglass enable_block NoWidthInBasedNum-ML // spyglass enable_block STARC-2.10.3.2a // spyglass enable_block STARC05-2.1.3.1 // spyglass enable_block STARC-2.1.4.6 // spyglass enable_block W116 // spyglass enable_block W154 // spyglass enable_block W239 // spyglass enable_block W362 // spyglass enable_block WRN_58 // spyglass enable_block WRN_61 `endif // SPYGLASS_ASSERT_ON `endif endmodule // NV_NVDLA_CDMA_CVT_CELL_pipe_p2 // ************************************************************************************************************** // Generated by ::pipe -m -bc -rand none -is chn_data_out[15:0] (chn_out_pvld,chn_out_prdy) <= chn_dout[15:0] (tru_out_pvld,tru_out_prdy) // ************************************************************************************************************** module NV_NVDLA_CDMA_CVT_CELL_pipe_p3 ( nvdla_core_clk ,nvdla_core_rstn ,chn_dout ,chn_out_prdy ,tru_out_pvld ,chn_data_out ,chn_out_pvld ,tru_out_prdy ); input nvdla_core_clk; input nvdla_core_rstn; input [15:0] chn_dout; input chn_out_prdy; input tru_out_pvld; output [15:0] chn_data_out; output chn_out_pvld; output tru_out_prdy; reg [15:0] chn_data_out; reg chn_out_pvld; reg [15:0] p3_pipe_data; reg p3_pipe_ready; reg p3_pipe_ready_bc; reg p3_pipe_valid; reg p3_skid_catch; reg [15:0] p3_skid_data; reg [15:0] p3_skid_pipe_data; reg p3_skid_pipe_ready; reg p3_skid_pipe_valid; reg p3_skid_ready; reg p3_skid_ready_flop; reg p3_skid_valid; reg tru_out_prdy; //## pipe (3) skid buffer always @( tru_out_pvld or p3_skid_ready_flop or p3_skid_pipe_ready or p3_skid_valid ) begin p3_skid_catch = tru_out_pvld && p3_skid_ready_flop && !p3_skid_pipe_ready; p3_skid_ready = (p3_skid_valid)? p3_skid_pipe_ready : !p3_skid_catch; end always @(posedge nvdla_core_clk or negedge nvdla_core_rstn) begin if (!nvdla_core_rstn) begin p3_skid_valid <= 1'b0; p3_skid_ready_flop <= 1'b1; tru_out_prdy <= 1'b1; end else begin p3_skid_valid <= (p3_skid_valid)? !p3_skid_pipe_ready : p3_skid_catch; p3_skid_ready_flop <= p3_skid_ready; tru_out_prdy <= p3_skid_ready; end end always @(posedge nvdla_core_clk) begin // VCS sop_coverage_off start p3_skid_data <= (p3_skid_catch)? chn_dout[15:0] : p3_skid_data; // VCS sop_coverage_off end end always @( p3_skid_ready_flop or tru_out_pvld or p3_skid_valid or chn_dout or p3_skid_data ) begin p3_skid_pipe_valid = (p3_skid_ready_flop)? tru_out_pvld : p3_skid_valid; // VCS sop_coverage_off start p3_skid_pipe_data = (p3_skid_ready_flop)? chn_dout[15:0] : p3_skid_data; // VCS sop_coverage_off end end //## pipe (3) valid-ready-bubble-collapse always @( p3_pipe_ready or p3_pipe_valid ) begin p3_pipe_ready_bc = p3_pipe_ready || !p3_pipe_valid; end always @(posedge nvdla_core_clk or negedge nvdla_core_rstn) begin if (!nvdla_core_rstn) begin p3_pipe_valid <= 1'b0; end else begin p3_pipe_valid <= (p3_pipe_ready_bc)? p3_skid_pipe_valid : 1'd1; end end always @(posedge nvdla_core_clk) begin // VCS sop_coverage_off start p3_pipe_data <= (p3_pipe_ready_bc && p3_skid_pipe_valid)? p3_skid_pipe_data : p3_pipe_data; // VCS sop_coverage_off end end always @( p3_pipe_ready_bc ) begin p3_skid_pipe_ready = p3_pipe_ready_bc; end //## pipe (3) output always @( p3_pipe_valid or chn_out_prdy or p3_pipe_data ) begin chn_out_pvld = p3_pipe_valid; p3_pipe_ready = chn_out_prdy; chn_data_out[15:0] = p3_pipe_data; end //## pipe (3) assertions/testpoints `ifndef VIVA_PLUGIN_PIPE_DISABLE_ASSERTIONS wire p3_assert_clk = nvdla_core_clk; `ifdef SPYGLASS_ASSERT_ON `else // spyglass disable_block NoWidthInBasedNum-ML // spyglass disable_block STARC-2.10.3.2a // spyglass disable_block STARC05-2.1.3.1 // spyglass disable_block STARC-2.1.4.6 // spyglass disable_block W116 // spyglass disable_block W154 // spyglass disable_block W239 // spyglass disable_block W362 // spyglass disable_block WRN_58 // spyglass disable_block WRN_61 `endif // SPYGLASS_ASSERT_ON `ifdef ASSERT_ON `ifdef FV_ASSERT_ON `define ASSERT_RESET nvdla_core_rstn `else `ifdef SYNTHESIS `define ASSERT_RESET nvdla_core_rstn `else `ifdef ASSERT_OFF_RESET_IS_X `define ASSERT_RESET ((1'bx === nvdla_core_rstn) ? 1'b0 : nvdla_core_rstn) `else `define ASSERT_RESET ((1'bx === nvdla_core_rstn) ? 1'b1 : nvdla_core_rstn) `endif // ASSERT_OFF_RESET_IS_X `endif // SYNTHESIS `endif // FV_ASSERT_ON `ifndef SYNTHESIS // VCS coverage off nv_assert_no_x #(0,1,0,"No X's allowed on control signals") zzz_assert_no_x_5x (nvdla_core_clk, `ASSERT_RESET, nvdla_core_rstn, (chn_out_pvld^chn_out_prdy^tru_out_pvld^tru_out_prdy)); // spyglass disable W504 SelfDeterminedExpr-ML // VCS coverage on `endif `undef ASSERT_RESET `endif // ASSERT_ON `ifdef SPYGLASS_ASSERT_ON `else // spyglass enable_block NoWidthInBasedNum-ML // spyglass enable_block STARC-2.10.3.2a // spyglass enable_block STARC05-2.1.3.1 // spyglass enable_block STARC-2.1.4.6 // spyglass enable_block W116 // spyglass enable_block W154 // spyglass enable_block W239 // spyglass enable_block W362 // spyglass enable_block WRN_58 // spyglass enable_block WRN_61 `endif // SPYGLASS_ASSERT_ON `ifdef SPYGLASS_ASSERT_ON `else // spyglass disable_block NoWidthInBasedNum-ML // spyglass disable_block STARC-2.10.3.2a // spyglass disable_block STARC05-2.1.3.1 // spyglass disable_block STARC-2.1.4.6 // spyglass disable_block W116 // spyglass disable_block W154 // spyglass disable_block W239 // spyglass disable_block W362 // spyglass disable_block WRN_58 // spyglass disable_block WRN_61 `endif // SPYGLASS_ASSERT_ON `ifdef ASSERT_ON `ifdef FV_ASSERT_ON `define ASSERT_RESET nvdla_core_rstn `else `ifdef SYNTHESIS `define ASSERT_RESET nvdla_core_rstn `else `ifdef ASSERT_OFF_RESET_IS_X `define ASSERT_RESET ((1'bx === nvdla_core_rstn) ? 1'b0 : nvdla_core_rstn) `else `define ASSERT_RESET ((1'bx === nvdla_core_rstn) ? 1'b1 : nvdla_core_rstn) `endif // ASSERT_OFF_RESET_IS_X `endif // SYNTHESIS `endif // FV_ASSERT_ON // VCS coverage off nv_assert_hold_throughout_event_interval #(0,1,0,"valid removed before ready") zzz_assert_hold_throughout_event_interval_6x (nvdla_core_clk, `ASSERT_RESET, (tru_out_pvld && !tru_out_prdy), (tru_out_pvld), (tru_out_prdy)); // spyglass disable W504 SelfDeterminedExpr-ML // VCS coverage on `undef ASSERT_RESET `endif // ASSERT_ON `ifdef SPYGLASS_ASSERT_ON `else // spyglass enable_block NoWidthInBasedNum-ML // spyglass enable_block STARC-2.10.3.2a // spyglass enable_block STARC05-2.1.3.1 // spyglass enable_block STARC-2.1.4.6 // spyglass enable_block W116 // spyglass enable_block W154 // spyglass enable_block W239 // spyglass enable_block W362 // spyglass enable_block WRN_58 // spyglass enable_block WRN_61 `endif // SPYGLASS_ASSERT_ON `endif endmodule // NV_NVDLA_CDMA_CVT_CELL_pipe_p3