//| !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! //| !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! //| !!!!!!!!!!!! !!!!!!!!!!!! //| !!!!!!!!!!!! DO NOT EDIT - GENERATED BY VIVA - DO NOT EDIT !!!!!!!!!!!! //| !!!!!!!!!!!! !!!!!!!!!!!! //| !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! //| !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! //| generated by viva: NV_NVDLA_PDP_WDMA_DAT_fifo.vcp --> NV_NVDLA_PDP_WDMA_DAT_fifo.v //| /home/nvtools/engr/2017/05/16_10_02_50/nvtools/viva/viva -e 'vlib v sv svi svh vt gv bvrl vp defs NULL' -y '. /home/nvtools/engr/2017/05/16_10_02_50/nvtools/rtl/vlib ../../../../../../../../vlib /home/nvtools/engr/2017/03/07_07_35_45/nvtools/assertions /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c0 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c1 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c2 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c3 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/home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c18 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c19 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c20 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c21 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c22 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c23 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c24 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c25 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c26 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c27 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c28 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c29 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c30 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c31 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c32 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c33 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/stdcell/c34 /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/rams /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/misc /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/analog/common /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/analog/ism /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/analog/pll /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/pads/common /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/pads/mem /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/pads/mipi /home/libs/tlit5_vlibcells/11202192_07042017/librarycells/pads/uphy /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/pads/sdmem /home/libs/tlit5_vlibcells/11221199_07072017/librarycells/pads/usb /home/nvtools/engr/2017/05/25_05_01_38/nvtools/rtl/vlib/sync /home/nvtools/engr/2017/05/25_05_01_38/nvtools/rtl/vlib/sync/nvstd ../../../../include/private/collector/headers/tlit5 ../../../vlibs/tlit5 ../../../include /home/tools/synopsys/syn_2011.09/dw/sim_ver /home/ip/shared/clock/clkgate/1.0/36067466/verilog ../../../vlibs/tlit5/rams/model ./rams/model' -i '. ../../../../include/private/collector/headers/tlit5 /home/nvtools/engr/2017/05/16_10_02_50/nvtools/rtl/include ../../../../../../../inf/sim_helpers/1.0/include/public/rtl /home/nvtools/engr/2017/03/07_07_35_45/nvtools/assertions ../../../../../../../../vlib ../../../vlibs/tlit5 ../../../include /home/tools/synopsys/syn_2011.09/dw/sim_ver /home/ip/shared/inf/ness/2.0/38823533/include/verilog /home/nvtools/engr/2017/06/15_05_01_31/nvtools/viva_plugins/mobile /home/ip/shared/fpga/shared_proto/1.0/38757645/vmod/include /home/ip/shared/fpga/shared_proto/1.0/38757645/vmod/include ../../../vlibs/tlit5/rams/model ./rams/model' -p ' /home/nvtools/engr/2017/06/15_05_01_31/nvtools/viva_plugins/shared /home/nvtools/engr/2017/06/15_05_01_31/nvtools/viva_plugins/mobile /home/nvtools/engr/2017/06/15_05_01_31/nvtools/viva_plugins/archive ../../../plugins' -pf /home/nvtools/engr/2017/06/26_10_09_38/nvtools/viva_plugins/mobile/unit_actmon.pl -d NV_BEHAVIORAL -d NVTOOLS_SYNC2D_GENERIC_CELL -d BEHAVIORAL_AUTOPD_DEFAULT -d JTAGREG_CONFIG=/error_get_source_dir_not_found_might_mean_missing_input_in_t_make_config_but_could_also_indicate_garbage_input_for/__TOP-ip/socd/ip_chip_tools/1.0/defs/public/jtagreg/golden/tlit5/jtagreg.yml NV_NVDLA_PDP_WDMA_DAT_fifo.vcp -o NV_NVDLA_PDP_WDMA_DAT_fifo.v //| &Shell ${FIFOGEN} -stdout -m NV_NVDLA_PDP_WDMA_DAT_fifo_32x64 //| -clk_name ::eval($VIVA_CLOCK) //| -reset_name ::eval($VIVA_RESET) //| -wr_pipebus dat_fifo_wr //| -rd_pipebus dat_fifo_rd //| -rand_none //| -rd_reg //| -ram_bypass //| -d ::eval(32) //| -w ::eval(64) //| -ram ff; // // AUTOMATICALLY GENERATED -- DO NOT EDIT OR CHECK IN // // /home/nvtools/engr/2017/03/11_05_00_06/nvtools/scripts/fifogen // fifogen -input_config_yaml ../../../../../../../socd/ip_chip_tools/1.0/defs/public/fifogen/golden/tlit5/fifogen.yml -no_make_ram -no_make_ram -stdout -m NV_NVDLA_PDP_WDMA_DAT_fifo_32x64 -clk_name nvdla_core_clk -reset_name nvdla_core_rstn -wr_pipebus dat_fifo_wr -rd_pipebus dat_fifo_rd -rand_none -rd_reg -ram_bypass -d 32 -w 64 -ram ff [Chosen ram type: ff - fifogen_flops (user specified, thus no other ram type is allowed)] // chip config vars: assertion_module_prefix=nv_ strict_synchronizers=1 strict_synchronizers_use_lib_cells=1 strict_synchronizers_use_tm_lib_cells=1 strict_sync_randomizer=1 assertion_message_prefix=FIFOGEN_ASSERTION allow_async_fifola=0 ignore_ramgen_fifola_variant=1 uses_p_SSYNC=0 uses_prand=1 uses_rammake_inc=1 use_x_or_0=1 force_wr_reg_gated=1 no_force_reset=1 no_timescale=1 no_pli_ifdef=1 requires_full_throughput=1 ram_auto_ff_bits_cutoff=16 ram_auto_ff_width_cutoff=2 ram_auto_ff_width_cutoff_max_depth=32 ram_auto_ff_depth_cutoff=-1 ram_auto_ff_no_la2_depth_cutoff=5 ram_auto_la2_width_cutoff=8 ram_auto_la2_width_cutoff_max_depth=56 ram_auto_la2_depth_cutoff=16 flopram_emu_model=1 dslp_single_clamp_port=1 dslp_clamp_port=1 slp_single_clamp_port=1 slp_clamp_port=1 master_clk_gated=1 clk_gate_module=NV_CLK_gate_power redundant_timing_flops=0 hot_reset_async_force_ports_and_loopback=1 ram_sleep_en_width=1 async_cdc_reg_id=NV_AFIFO_ rd_reg_default_for_async=1 async_ram_instance_prefix=NV_ASYNC_RAM_ allow_rd_busy_reg_warning=0 do_dft_xelim_gating=1 add_dft_xelim_wr_clkgate=1 add_dft_xelim_rd_clkgate=1 // // leda B_3208_NV OFF -- Unequal length LHS and RHS in assignment // leda B_1405 OFF -- 2 asynchronous resets in this unit detected `define FORCE_CONTENTION_ASSERTION_RESET_ACTIVE 1'b1 `include "simulate_x_tick.vh" module NV_NVDLA_PDP_WDMA_DAT_fifo_32x64 ( nvdla_core_clk , nvdla_core_rstn , dat_fifo_wr_prdy , dat_fifo_wr_pvld , dat_fifo_wr_pd , dat_fifo_rd_prdy , dat_fifo_rd_pvld , dat_fifo_rd_pd , pwrbus_ram_pd ); // spyglass disable_block W401 -- clock is not input to module input nvdla_core_clk; input nvdla_core_rstn; output dat_fifo_wr_prdy; input dat_fifo_wr_pvld; input [63:0] dat_fifo_wr_pd; input dat_fifo_rd_prdy; output dat_fifo_rd_pvld; output [63:0] dat_fifo_rd_pd; input [31:0] pwrbus_ram_pd; // Master Clock Gating (SLCG) // // We gate the clock(s) when idle or stalled. // This allows us to turn off numerous miscellaneous flops // that don't get gated during synthesis for one reason or another. // // We gate write side and read side separately. // If the fifo is synchronous, we also gate the ram separately, but if // -master_clk_gated_unified or -status_reg/-status_logic_reg is specified, // then we use one clk gate for write, ram, and read. // wire nvdla_core_clk_mgated_enable; // assigned by code at end of this module wire nvdla_core_clk_mgated; // used only in synchronous fifos NV_CLK_gate_power nvdla_core_clk_mgate( .clk(nvdla_core_clk), .reset_(nvdla_core_rstn), .clk_en(nvdla_core_clk_mgated_enable), .clk_gated(nvdla_core_clk_mgated) ); // // WRITE SIDE // wire wr_reserving; reg dat_fifo_wr_busy_int; // copy for internal use assign dat_fifo_wr_prdy = !dat_fifo_wr_busy_int; assign wr_reserving = dat_fifo_wr_pvld && !dat_fifo_wr_busy_int; // reserving write space? wire wr_popping; // fwd: write side sees pop? reg [5:0] dat_fifo_wr_count; // write-side count wire [5:0] wr_count_next_wr_popping = wr_reserving ? dat_fifo_wr_count : (dat_fifo_wr_count - 1'd1); // spyglass disable W164a W484 wire [5:0] wr_count_next_no_wr_popping = wr_reserving ? (dat_fifo_wr_count + 1'd1) : dat_fifo_wr_count; // spyglass disable W164a W484 wire [5:0] wr_count_next = wr_popping ? wr_count_next_wr_popping : wr_count_next_no_wr_popping; wire wr_count_next_no_wr_popping_is_32 = ( wr_count_next_no_wr_popping == 6'd32 ); wire wr_count_next_is_32 = wr_popping ? 1'b0 : wr_count_next_no_wr_popping_is_32; wire [5:0] wr_limit_muxed; // muxed with simulation/emulation overrides wire [5:0] wr_limit_reg = wr_limit_muxed; // VCS coverage off wire dat_fifo_wr_busy_next = wr_count_next_is_32 || // busy next cycle? (wr_limit_reg != 6'd0 && // check dat_fifo_wr_limit if != 0 wr_count_next >= wr_limit_reg) ; // VCS coverage on always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_wr_busy_int <= 1'b0; dat_fifo_wr_count <= 6'd0; end else begin dat_fifo_wr_busy_int <= dat_fifo_wr_busy_next; if ( wr_reserving ^ wr_popping ) begin dat_fifo_wr_count <= wr_count_next; end //synopsys translate_off else if ( !(wr_reserving ^ wr_popping) ) begin end else begin dat_fifo_wr_count <= {6{`x_or_0}}; end //synopsys translate_on end end wire wr_pushing = wr_reserving; // data pushed same cycle as dat_fifo_wr_pvld // // RAM // reg [4:0] dat_fifo_wr_adr; // current write address // spyglass disable_block W484 always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_wr_adr <= 5'd0; end else begin if ( wr_pushing ) begin dat_fifo_wr_adr <= dat_fifo_wr_adr + 1'd1; end end end // spyglass enable_block W484 wire rd_popping; reg [4:0] dat_fifo_rd_adr; // read address this cycle wire ram_we = wr_pushing && (dat_fifo_wr_count > 6'd0 || !rd_popping); // note: write occurs next cycle wire [63:0] dat_fifo_rd_pd_p; // read data out of ram wire [31 : 0] pwrbus_ram_pd; // Adding parameter for fifogen to disable wr/rd contention assertion in ramgen. // Fifogen handles this by ignoring the data on the ram data out for that cycle. NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_flopram_rwsa_32x64 ram ( .clk( nvdla_core_clk_mgated ) , .pwrbus_ram_pd ( pwrbus_ram_pd ) , .di ( dat_fifo_wr_pd ) , .we ( ram_we ) , .wa ( dat_fifo_wr_adr ) , .ra ( (dat_fifo_wr_count == 0) ? 6'd32 : {1'b0,dat_fifo_rd_adr} ) , .dout ( dat_fifo_rd_pd_p ) ); wire [4:0] rd_adr_next_popping = dat_fifo_rd_adr + 1'd1; // spyglass disable W484 always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_rd_adr <= 5'd0; end else begin if ( rd_popping ) begin dat_fifo_rd_adr <= rd_adr_next_popping; end //synopsys translate_off else if ( !rd_popping ) begin end else begin dat_fifo_rd_adr <= {5{`x_or_0}}; end //synopsys translate_on end end // // SYNCHRONOUS BOUNDARY // assign wr_popping = rd_popping; // let it be seen immediately wire rd_pushing = wr_pushing; // let it be seen immediately // // READ SIDE // wire dat_fifo_rd_pvld_p; // data out of fifo is valid reg dat_fifo_rd_pvld_int; // internal copy of dat_fifo_rd_pvld assign dat_fifo_rd_pvld = dat_fifo_rd_pvld_int; assign rd_popping = dat_fifo_rd_pvld_p && !(dat_fifo_rd_pvld_int && !dat_fifo_rd_prdy); reg [5:0] dat_fifo_rd_count_p; // read-side fifo count // spyglass disable_block W164a W484 wire [5:0] rd_count_p_next_rd_popping = rd_pushing ? dat_fifo_rd_count_p : (dat_fifo_rd_count_p - 1'd1); wire [5:0] rd_count_p_next_no_rd_popping = rd_pushing ? (dat_fifo_rd_count_p + 1'd1) : dat_fifo_rd_count_p; // spyglass enable_block W164a W484 wire [5:0] rd_count_p_next = rd_popping ? rd_count_p_next_rd_popping : rd_count_p_next_no_rd_popping; assign dat_fifo_rd_pvld_p = dat_fifo_rd_count_p != 0 || rd_pushing; always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_rd_count_p <= 6'd0; end else begin if ( rd_pushing || rd_popping ) begin dat_fifo_rd_count_p <= rd_count_p_next; end //synopsys translate_off else if ( !(rd_pushing || rd_popping ) ) begin end else begin dat_fifo_rd_count_p <= {6{`x_or_0}}; end //synopsys translate_on end end reg [63:0] dat_fifo_rd_pd; // output data register wire rd_req_next = (dat_fifo_rd_pvld_p || (dat_fifo_rd_pvld_int && !dat_fifo_rd_prdy)) ; always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_rd_pvld_int <= 1'b0; end else begin dat_fifo_rd_pvld_int <= rd_req_next; end end always @( posedge nvdla_core_clk_mgated ) begin if ( (rd_popping) ) begin dat_fifo_rd_pd <= dat_fifo_rd_pd_p; end //synopsys translate_off else if ( !((rd_popping)) ) begin end else begin dat_fifo_rd_pd <= {64{`x_or_0}}; end //synopsys translate_on end // Master Clock Gating (SLCG) Enables // // plusarg for disabling this stuff: // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS reg master_clk_gating_disabled; initial master_clk_gating_disabled = $test$plusargs( "fifogen_disable_master_clk_gating" ) != 0; `endif `endif // synopsys translate_on assign nvdla_core_clk_mgated_enable = ((wr_reserving || wr_pushing || wr_popping || (dat_fifo_wr_pvld && !dat_fifo_wr_busy_int) || (dat_fifo_wr_busy_int != dat_fifo_wr_busy_next)) || (rd_pushing || rd_popping || (dat_fifo_rd_pvld_int && dat_fifo_rd_prdy)) || (wr_pushing)) `ifdef FIFOGEN_MASTER_CLK_GATING_DISABLED || 1'b1 `endif // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS || master_clk_gating_disabled `endif `endif // synopsys translate_on ; // Simulation and Emulation Overrides of wr_limit(s) // `ifdef EMU `ifdef EMU_FIFO_CFG // Emulation Global Config Override // assign wr_limit_muxed = `EMU_FIFO_CFG.NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_wr_limit_override ? `EMU_FIFO_CFG.NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_wr_limit : 6'd0; `else // No Global Override for Emulation // assign wr_limit_muxed = 6'd0; `endif // EMU_FIFO_CFG `else // !EMU `ifdef SYNTH_LEVEL1_COMPILE // No Override for GCS Compiles // assign wr_limit_muxed = 6'd0; `else `ifdef SYNTHESIS // No Override for RTL Synthesis // assign wr_limit_muxed = 6'd0; `else // RTL Simulation Plusarg Override // VCS coverage off reg wr_limit_override; reg [5:0] wr_limit_override_value; assign wr_limit_muxed = wr_limit_override ? wr_limit_override_value : 6'd0; `ifdef NV_ARCHPRO event reinit; initial begin $display("fifogen reinit initial block %m"); -> reinit; end `endif `ifdef NV_ARCHPRO always @( reinit ) begin `else initial begin `endif wr_limit_override = 0; wr_limit_override_value = 0; // to keep viva happy with dangles if ( $test$plusargs( "NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_wr_limit" ) ) begin wr_limit_override = 1; $value$plusargs( "NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_wr_limit=%d", wr_limit_override_value); end end // VCS coverage on `endif `endif `endif // // Histogram of fifo depth (from write side's perspective) // // NOTE: it will reference `SIMTOP.perfmon_enabled, so that // has to at least be defined, though not initialized. // tbgen testbenches have it already and various // ways to turn it on and off. // `ifdef PERFMON_HISTOGRAM // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS perfmon_histogram perfmon ( .clk ( nvdla_core_clk ) , .max ( {26'd0, (wr_limit_reg == 6'd0) ? 6'd32 : wr_limit_reg} ) , .curr ( {26'd0, dat_fifo_wr_count} ) ); `endif `endif // synopsys translate_on `endif // spyglass disable_block W164a W164b W116 W484 W504 `ifdef SPYGLASS `else `ifdef FV_ASSERT_ON `else // synopsys translate_off `endif `ifdef ASSERT_ON `ifdef SPYGLASS wire disable_assert_plusarg = 1'b0; `else `ifdef FV_ASSERT_ON wire disable_assert_plusarg = 1'b0; `else wire disable_assert_plusarg = $test$plusargs("DISABLE_NESS_FLOW_ASSERTIONS"); `endif `endif wire assert_enabled = 1'b1 && !disable_assert_plusarg; `endif `ifdef FV_ASSERT_ON `else // synopsys translate_on `endif `ifdef ASSERT_ON //synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS always @(assert_enabled) begin if ( assert_enabled === 1'b0 ) begin $display("Asserts are disabled for %m"); end end `endif `endif //synopsys translate_on `endif `endif // spyglass enable_block W164a W164b W116 W484 W504 //The NV_BLKBOX_SRC0 module is only present when the FIFOGEN_MODULE_SEARCH // define is set. This is to aid fifogen team search for fifogen fifo // instance and module names in a given design. `ifdef FIFOGEN_MODULE_SEARCH NV_BLKBOX_SRC0 dummy_breadcrumb_fifogen_blkbox (.Y()); `endif // spyglass enable_block W401 -- clock is not input to module // synopsys dc_script_begin // set_boundary_optimization find(design, "NV_NVDLA_PDP_WDMA_DAT_fifo_32x64") true // synopsys dc_script_end //| &Attachment -no_warn EndModulePrepend; endmodule // NV_NVDLA_PDP_WDMA_DAT_fifo_32x64 // // Flop-Based RAM // module NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_flopram_rwsa_32x64 ( clk , pwrbus_ram_pd , di , we , wa , ra , dout ); input clk; // write clock input [31 : 0] pwrbus_ram_pd; input [63:0] di; input we; input [4:0] wa; input [5:0] ra; output [63:0] dout; NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_0 (.A(pwrbus_ram_pd[0])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_1 (.A(pwrbus_ram_pd[1])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_2 (.A(pwrbus_ram_pd[2])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_3 (.A(pwrbus_ram_pd[3])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_4 (.A(pwrbus_ram_pd[4])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_5 (.A(pwrbus_ram_pd[5])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_6 (.A(pwrbus_ram_pd[6])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_7 (.A(pwrbus_ram_pd[7])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_8 (.A(pwrbus_ram_pd[8])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_9 (.A(pwrbus_ram_pd[9])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_10 (.A(pwrbus_ram_pd[10])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_11 (.A(pwrbus_ram_pd[11])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_12 (.A(pwrbus_ram_pd[12])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_13 (.A(pwrbus_ram_pd[13])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_14 (.A(pwrbus_ram_pd[14])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_15 (.A(pwrbus_ram_pd[15])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_16 (.A(pwrbus_ram_pd[16])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_17 (.A(pwrbus_ram_pd[17])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_18 (.A(pwrbus_ram_pd[18])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_19 (.A(pwrbus_ram_pd[19])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_20 (.A(pwrbus_ram_pd[20])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_21 (.A(pwrbus_ram_pd[21])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_22 (.A(pwrbus_ram_pd[22])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_23 (.A(pwrbus_ram_pd[23])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_24 (.A(pwrbus_ram_pd[24])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_25 (.A(pwrbus_ram_pd[25])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_26 (.A(pwrbus_ram_pd[26])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_27 (.A(pwrbus_ram_pd[27])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_28 (.A(pwrbus_ram_pd[28])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_29 (.A(pwrbus_ram_pd[29])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_30 (.A(pwrbus_ram_pd[30])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_31 (.A(pwrbus_ram_pd[31])); `ifdef EMU wire [63:0] dout_p; // we use an emulation ram here to save flops on the emulation board // so that the monstrous chip can fit :-) // reg [4:0] Wa0_vmw; reg we0_vmw; reg [63:0] Di0_vmw; always @( posedge clk ) begin Wa0_vmw <= wa; we0_vmw <= we; Di0_vmw <= di; end vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_flopram_rwsa_32x64 emu_ram ( .Wa0( Wa0_vmw ) , .we0( we0_vmw ) , .Di0( Di0_vmw ) , .Ra0( ra[4:0] ) , .Do0( dout_p ) ); assign dout = (ra == 32) ? di : dout_p; `else reg [63:0] ram_ff0; reg [63:0] ram_ff1; reg [63:0] ram_ff2; reg [63:0] ram_ff3; reg [63:0] ram_ff4; reg [63:0] ram_ff5; reg [63:0] ram_ff6; reg [63:0] ram_ff7; reg [63:0] ram_ff8; reg [63:0] ram_ff9; reg [63:0] ram_ff10; reg [63:0] ram_ff11; reg [63:0] ram_ff12; reg [63:0] ram_ff13; reg [63:0] ram_ff14; reg [63:0] ram_ff15; reg [63:0] ram_ff16; reg [63:0] ram_ff17; reg [63:0] ram_ff18; reg [63:0] ram_ff19; reg [63:0] ram_ff20; reg [63:0] ram_ff21; reg [63:0] ram_ff22; reg [63:0] ram_ff23; reg [63:0] ram_ff24; reg [63:0] ram_ff25; reg [63:0] ram_ff26; reg [63:0] ram_ff27; reg [63:0] ram_ff28; reg [63:0] ram_ff29; reg [63:0] ram_ff30; reg [63:0] ram_ff31; always @( posedge clk ) begin if ( we && wa == 5'd0 ) begin ram_ff0 <= di; end if ( we && wa == 5'd1 ) begin ram_ff1 <= di; end if ( we && wa == 5'd2 ) begin ram_ff2 <= di; end if ( we && wa == 5'd3 ) begin ram_ff3 <= di; end if ( we && wa == 5'd4 ) begin ram_ff4 <= di; end if ( we && wa == 5'd5 ) begin ram_ff5 <= di; end if ( we && wa == 5'd6 ) begin ram_ff6 <= di; end if ( we && wa == 5'd7 ) begin ram_ff7 <= di; end if ( we && wa == 5'd8 ) begin ram_ff8 <= di; end if ( we && wa == 5'd9 ) begin ram_ff9 <= di; end if ( we && wa == 5'd10 ) begin ram_ff10 <= di; end if ( we && wa == 5'd11 ) begin ram_ff11 <= di; end if ( we && wa == 5'd12 ) begin ram_ff12 <= di; end if ( we && wa == 5'd13 ) begin ram_ff13 <= di; end if ( we && wa == 5'd14 ) begin ram_ff14 <= di; end if ( we && wa == 5'd15 ) begin ram_ff15 <= di; end if ( we && wa == 5'd16 ) begin ram_ff16 <= di; end if ( we && wa == 5'd17 ) begin ram_ff17 <= di; end if ( we && wa == 5'd18 ) begin ram_ff18 <= di; end if ( we && wa == 5'd19 ) begin ram_ff19 <= di; end if ( we && wa == 5'd20 ) begin ram_ff20 <= di; end if ( we && wa == 5'd21 ) begin ram_ff21 <= di; end if ( we && wa == 5'd22 ) begin ram_ff22 <= di; end if ( we && wa == 5'd23 ) begin ram_ff23 <= di; end if ( we && wa == 5'd24 ) begin ram_ff24 <= di; end if ( we && wa == 5'd25 ) begin ram_ff25 <= di; end if ( we && wa == 5'd26 ) begin ram_ff26 <= di; end if ( we && wa == 5'd27 ) begin ram_ff27 <= di; end if ( we && wa == 5'd28 ) begin ram_ff28 <= di; end if ( we && wa == 5'd29 ) begin ram_ff29 <= di; end if ( we && wa == 5'd30 ) begin ram_ff30 <= di; end if ( we && wa == 5'd31 ) begin ram_ff31 <= di; end end reg [63:0] dout; always @(*) begin case( ra ) 6'd0: dout = ram_ff0; 6'd1: dout = ram_ff1; 6'd2: dout = ram_ff2; 6'd3: dout = ram_ff3; 6'd4: dout = ram_ff4; 6'd5: dout = ram_ff5; 6'd6: dout = ram_ff6; 6'd7: dout = ram_ff7; 6'd8: dout = ram_ff8; 6'd9: dout = ram_ff9; 6'd10: dout = ram_ff10; 6'd11: dout = ram_ff11; 6'd12: dout = ram_ff12; 6'd13: dout = ram_ff13; 6'd14: dout = ram_ff14; 6'd15: dout = ram_ff15; 6'd16: dout = ram_ff16; 6'd17: dout = ram_ff17; 6'd18: dout = ram_ff18; 6'd19: dout = ram_ff19; 6'd20: dout = ram_ff20; 6'd21: dout = ram_ff21; 6'd22: dout = ram_ff22; 6'd23: dout = ram_ff23; 6'd24: dout = ram_ff24; 6'd25: dout = ram_ff25; 6'd26: dout = ram_ff26; 6'd27: dout = ram_ff27; 6'd28: dout = ram_ff28; 6'd29: dout = ram_ff29; 6'd30: dout = ram_ff30; 6'd31: dout = ram_ff31; 6'd32: dout = di; //VCS coverage off default: dout = {64{`x_or_0}}; //VCS coverage on endcase end `endif // EMU endmodule // NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_flopram_rwsa_32x64 // emulation model of flopram guts // `ifdef EMU module vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_flopram_rwsa_32x64 ( Wa0, we0, Di0, Ra0, Do0 ); input [4:0] Wa0; input we0; input [63:0] Di0; input [4:0] Ra0; output [63:0] Do0; // Only visible during Spyglass to avoid blackboxes. `ifdef SPYGLASS_FLOPRAM assign Do0 = 64'd0; wire dummy = 1'b0 | (|Wa0) | (|we0) | (|Di0) | (|Ra0); `endif // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS reg [63:0] mem[31:0]; // expand mem for debug ease `ifdef EMU_EXPAND_FLOPRAM_MEM wire [63:0] Q0 = mem[0]; wire [63:0] Q1 = mem[1]; wire [63:0] Q2 = mem[2]; wire [63:0] Q3 = mem[3]; wire [63:0] Q4 = mem[4]; wire [63:0] Q5 = mem[5]; wire [63:0] Q6 = mem[6]; wire [63:0] Q7 = mem[7]; wire [63:0] Q8 = mem[8]; wire [63:0] Q9 = mem[9]; wire [63:0] Q10 = mem[10]; wire [63:0] Q11 = mem[11]; wire [63:0] Q12 = mem[12]; wire [63:0] Q13 = mem[13]; wire [63:0] Q14 = mem[14]; wire [63:0] Q15 = mem[15]; wire [63:0] Q16 = mem[16]; wire [63:0] Q17 = mem[17]; wire [63:0] Q18 = mem[18]; wire [63:0] Q19 = mem[19]; wire [63:0] Q20 = mem[20]; wire [63:0] Q21 = mem[21]; wire [63:0] Q22 = mem[22]; wire [63:0] Q23 = mem[23]; wire [63:0] Q24 = mem[24]; wire [63:0] Q25 = mem[25]; wire [63:0] Q26 = mem[26]; wire [63:0] Q27 = mem[27]; wire [63:0] Q28 = mem[28]; wire [63:0] Q29 = mem[29]; wire [63:0] Q30 = mem[30]; wire [63:0] Q31 = mem[31]; `endif // asynchronous ram writes always @(*) begin if ( we0 == 1'b1 ) begin #0.1; mem[Wa0] = Di0; end end assign Do0 = mem[Ra0]; `endif `endif // synopsys translate_on // synopsys dc_script_begin // set_dont_touch { find (design, vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_flopram_rwsa_32x64) } // set_attribute { find (design, vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_flopram_rwsa_32x64) } require_dont_touch true -type boolean // synopsys dc_script_end // g2c if { [find / -null_ok -subdesign vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_flopram_rwsa_32x64] != {} } { set_attr preserve 1 [find / -subdesign vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_flopram_rwsa_32x64] } endmodule // vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_flopram_rwsa_32x64 //vmw: Memory vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_flopram_rwsa_32x64 //vmw: Address-size 5 //vmw: Data-size 64 //vmw: Sensitivity level 1 //vmw: Ports W R //vmw: terminal we0 WriteEnable0 //vmw: terminal Wa0 address0 //vmw: terminal Di0[63:0] data0[63:0] //vmw: //vmw: terminal Ra0 address1 //vmw: terminal Do0[63:0] data1[63:0] //vmw: //qt: CELL vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x64_flopram_rwsa_32x64 //qt: TERMINAL we0 TYPE=WE POLARITY=H PORT=1 //qt: TERMINAL Wa0[%d] TYPE=ADDRESS DIR=W BIT=%1 PORT=1 //qt: TERMINAL Di0[%d] TYPE=DATA DIR=I BIT=%1 PORT=1 //qt: //qt: TERMINAL Ra0[%d] TYPE=ADDRESS DIR=R BIT=%1 PORT=1 //qt: TERMINAL Do0[%d] TYPE=DATA DIR=O BIT=%1 PORT=1 //qt: `endif // EMU //| &Shell ${FIFOGEN} -stdout -m NV_NVDLA_PDP_WDMA_DAT_fifo_32x32 //| -clk_name ::eval($VIVA_CLOCK) //| -reset_name ::eval($VIVA_RESET) //| -wr_pipebus dat_fifo_wr //| -rd_pipebus dat_fifo_rd //| -rand_none //| -rd_reg //| -ram_bypass //| -d ::eval(32) //| -w ::eval(32) //| -ram ff; // // AUTOMATICALLY GENERATED -- DO NOT EDIT OR CHECK IN // // /home/nvtools/engr/2017/03/11_05_00_06/nvtools/scripts/fifogen // fifogen -input_config_yaml ../../../../../../../socd/ip_chip_tools/1.0/defs/public/fifogen/golden/tlit5/fifogen.yml -no_make_ram -no_make_ram -stdout -m NV_NVDLA_PDP_WDMA_DAT_fifo_32x32 -clk_name nvdla_core_clk -reset_name nvdla_core_rstn -wr_pipebus dat_fifo_wr -rd_pipebus dat_fifo_rd -rand_none -rd_reg -ram_bypass -d 32 -w 32 -ram ff [Chosen ram type: ff - fifogen_flops (user specified, thus no other ram type is allowed)] // chip config vars: assertion_module_prefix=nv_ strict_synchronizers=1 strict_synchronizers_use_lib_cells=1 strict_synchronizers_use_tm_lib_cells=1 strict_sync_randomizer=1 assertion_message_prefix=FIFOGEN_ASSERTION allow_async_fifola=0 ignore_ramgen_fifola_variant=1 uses_p_SSYNC=0 uses_prand=1 uses_rammake_inc=1 use_x_or_0=1 force_wr_reg_gated=1 no_force_reset=1 no_timescale=1 no_pli_ifdef=1 requires_full_throughput=1 ram_auto_ff_bits_cutoff=16 ram_auto_ff_width_cutoff=2 ram_auto_ff_width_cutoff_max_depth=32 ram_auto_ff_depth_cutoff=-1 ram_auto_ff_no_la2_depth_cutoff=5 ram_auto_la2_width_cutoff=8 ram_auto_la2_width_cutoff_max_depth=56 ram_auto_la2_depth_cutoff=16 flopram_emu_model=1 dslp_single_clamp_port=1 dslp_clamp_port=1 slp_single_clamp_port=1 slp_clamp_port=1 master_clk_gated=1 clk_gate_module=NV_CLK_gate_power redundant_timing_flops=0 hot_reset_async_force_ports_and_loopback=1 ram_sleep_en_width=1 async_cdc_reg_id=NV_AFIFO_ rd_reg_default_for_async=1 async_ram_instance_prefix=NV_ASYNC_RAM_ allow_rd_busy_reg_warning=0 do_dft_xelim_gating=1 add_dft_xelim_wr_clkgate=1 add_dft_xelim_rd_clkgate=1 // // leda B_3208_NV OFF -- Unequal length LHS and RHS in assignment // leda B_1405 OFF -- 2 asynchronous resets in this unit detected `define FORCE_CONTENTION_ASSERTION_RESET_ACTIVE 1'b1 `include "simulate_x_tick.vh" module NV_NVDLA_PDP_WDMA_DAT_fifo_32x32 ( nvdla_core_clk , nvdla_core_rstn , dat_fifo_wr_prdy , dat_fifo_wr_pvld , dat_fifo_wr_pd , dat_fifo_rd_prdy , dat_fifo_rd_pvld , dat_fifo_rd_pd , pwrbus_ram_pd ); // spyglass disable_block W401 -- clock is not input to module input nvdla_core_clk; input nvdla_core_rstn; output dat_fifo_wr_prdy; input dat_fifo_wr_pvld; input [31:0] dat_fifo_wr_pd; input dat_fifo_rd_prdy; output dat_fifo_rd_pvld; output [31:0] dat_fifo_rd_pd; input [31:0] pwrbus_ram_pd; // Master Clock Gating (SLCG) // // We gate the clock(s) when idle or stalled. // This allows us to turn off numerous miscellaneous flops // that don't get gated during synthesis for one reason or another. // // We gate write side and read side separately. // If the fifo is synchronous, we also gate the ram separately, but if // -master_clk_gated_unified or -status_reg/-status_logic_reg is specified, // then we use one clk gate for write, ram, and read. // wire nvdla_core_clk_mgated_enable; // assigned by code at end of this module wire nvdla_core_clk_mgated; // used only in synchronous fifos NV_CLK_gate_power nvdla_core_clk_mgate( .clk(nvdla_core_clk), .reset_(nvdla_core_rstn), .clk_en(nvdla_core_clk_mgated_enable), .clk_gated(nvdla_core_clk_mgated) ); // // WRITE SIDE // wire wr_reserving; reg dat_fifo_wr_busy_int; // copy for internal use assign dat_fifo_wr_prdy = !dat_fifo_wr_busy_int; assign wr_reserving = dat_fifo_wr_pvld && !dat_fifo_wr_busy_int; // reserving write space? wire wr_popping; // fwd: write side sees pop? reg [5:0] dat_fifo_wr_count; // write-side count wire [5:0] wr_count_next_wr_popping = wr_reserving ? dat_fifo_wr_count : (dat_fifo_wr_count - 1'd1); // spyglass disable W164a W484 wire [5:0] wr_count_next_no_wr_popping = wr_reserving ? (dat_fifo_wr_count + 1'd1) : dat_fifo_wr_count; // spyglass disable W164a W484 wire [5:0] wr_count_next = wr_popping ? wr_count_next_wr_popping : wr_count_next_no_wr_popping; wire wr_count_next_no_wr_popping_is_32 = ( wr_count_next_no_wr_popping == 6'd32 ); wire wr_count_next_is_32 = wr_popping ? 1'b0 : wr_count_next_no_wr_popping_is_32; wire [5:0] wr_limit_muxed; // muxed with simulation/emulation overrides wire [5:0] wr_limit_reg = wr_limit_muxed; // VCS coverage off wire dat_fifo_wr_busy_next = wr_count_next_is_32 || // busy next cycle? (wr_limit_reg != 6'd0 && // check dat_fifo_wr_limit if != 0 wr_count_next >= wr_limit_reg) ; // VCS coverage on always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_wr_busy_int <= 1'b0; dat_fifo_wr_count <= 6'd0; end else begin dat_fifo_wr_busy_int <= dat_fifo_wr_busy_next; if ( wr_reserving ^ wr_popping ) begin dat_fifo_wr_count <= wr_count_next; end //synopsys translate_off else if ( !(wr_reserving ^ wr_popping) ) begin end else begin dat_fifo_wr_count <= {6{`x_or_0}}; end //synopsys translate_on end end wire wr_pushing = wr_reserving; // data pushed same cycle as dat_fifo_wr_pvld // // RAM // reg [4:0] dat_fifo_wr_adr; // current write address // spyglass disable_block W484 always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_wr_adr <= 5'd0; end else begin if ( wr_pushing ) begin dat_fifo_wr_adr <= dat_fifo_wr_adr + 1'd1; end end end // spyglass enable_block W484 wire rd_popping; reg [4:0] dat_fifo_rd_adr; // read address this cycle wire ram_we = wr_pushing && (dat_fifo_wr_count > 6'd0 || !rd_popping); // note: write occurs next cycle wire [31:0] dat_fifo_rd_pd_p; // read data out of ram wire [31 : 0] pwrbus_ram_pd; // Adding parameter for fifogen to disable wr/rd contention assertion in ramgen. // Fifogen handles this by ignoring the data on the ram data out for that cycle. NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_flopram_rwsa_32x32 ram ( .clk( nvdla_core_clk_mgated ) , .pwrbus_ram_pd ( pwrbus_ram_pd ) , .di ( dat_fifo_wr_pd ) , .we ( ram_we ) , .wa ( dat_fifo_wr_adr ) , .ra ( (dat_fifo_wr_count == 0) ? 6'd32 : {1'b0,dat_fifo_rd_adr} ) , .dout ( dat_fifo_rd_pd_p ) ); wire [4:0] rd_adr_next_popping = dat_fifo_rd_adr + 1'd1; // spyglass disable W484 always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_rd_adr <= 5'd0; end else begin if ( rd_popping ) begin dat_fifo_rd_adr <= rd_adr_next_popping; end //synopsys translate_off else if ( !rd_popping ) begin end else begin dat_fifo_rd_adr <= {5{`x_or_0}}; end //synopsys translate_on end end // // SYNCHRONOUS BOUNDARY // assign wr_popping = rd_popping; // let it be seen immediately wire rd_pushing = wr_pushing; // let it be seen immediately // // READ SIDE // wire dat_fifo_rd_pvld_p; // data out of fifo is valid reg dat_fifo_rd_pvld_int; // internal copy of dat_fifo_rd_pvld assign dat_fifo_rd_pvld = dat_fifo_rd_pvld_int; assign rd_popping = dat_fifo_rd_pvld_p && !(dat_fifo_rd_pvld_int && !dat_fifo_rd_prdy); reg [5:0] dat_fifo_rd_count_p; // read-side fifo count // spyglass disable_block W164a W484 wire [5:0] rd_count_p_next_rd_popping = rd_pushing ? dat_fifo_rd_count_p : (dat_fifo_rd_count_p - 1'd1); wire [5:0] rd_count_p_next_no_rd_popping = rd_pushing ? (dat_fifo_rd_count_p + 1'd1) : dat_fifo_rd_count_p; // spyglass enable_block W164a W484 wire [5:0] rd_count_p_next = rd_popping ? rd_count_p_next_rd_popping : rd_count_p_next_no_rd_popping; assign dat_fifo_rd_pvld_p = dat_fifo_rd_count_p != 0 || rd_pushing; always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_rd_count_p <= 6'd0; end else begin if ( rd_pushing || rd_popping ) begin dat_fifo_rd_count_p <= rd_count_p_next; end //synopsys translate_off else if ( !(rd_pushing || rd_popping ) ) begin end else begin dat_fifo_rd_count_p <= {6{`x_or_0}}; end //synopsys translate_on end end reg [31:0] dat_fifo_rd_pd; // output data register wire rd_req_next = (dat_fifo_rd_pvld_p || (dat_fifo_rd_pvld_int && !dat_fifo_rd_prdy)) ; always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_rd_pvld_int <= 1'b0; end else begin dat_fifo_rd_pvld_int <= rd_req_next; end end always @( posedge nvdla_core_clk_mgated ) begin if ( (rd_popping) ) begin dat_fifo_rd_pd <= dat_fifo_rd_pd_p; end //synopsys translate_off else if ( !((rd_popping)) ) begin end else begin dat_fifo_rd_pd <= {32{`x_or_0}}; end //synopsys translate_on end // Master Clock Gating (SLCG) Enables // // plusarg for disabling this stuff: // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS reg master_clk_gating_disabled; initial master_clk_gating_disabled = $test$plusargs( "fifogen_disable_master_clk_gating" ) != 0; `endif `endif // synopsys translate_on assign nvdla_core_clk_mgated_enable = ((wr_reserving || wr_pushing || wr_popping || (dat_fifo_wr_pvld && !dat_fifo_wr_busy_int) || (dat_fifo_wr_busy_int != dat_fifo_wr_busy_next)) || (rd_pushing || rd_popping || (dat_fifo_rd_pvld_int && dat_fifo_rd_prdy)) || (wr_pushing)) `ifdef FIFOGEN_MASTER_CLK_GATING_DISABLED || 1'b1 `endif // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS || master_clk_gating_disabled `endif `endif // synopsys translate_on ; // Simulation and Emulation Overrides of wr_limit(s) // `ifdef EMU `ifdef EMU_FIFO_CFG // Emulation Global Config Override // assign wr_limit_muxed = `EMU_FIFO_CFG.NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_wr_limit_override ? `EMU_FIFO_CFG.NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_wr_limit : 6'd0; `else // No Global Override for Emulation // assign wr_limit_muxed = 6'd0; `endif // EMU_FIFO_CFG `else // !EMU `ifdef SYNTH_LEVEL1_COMPILE // No Override for GCS Compiles // assign wr_limit_muxed = 6'd0; `else `ifdef SYNTHESIS // No Override for RTL Synthesis // assign wr_limit_muxed = 6'd0; `else // RTL Simulation Plusarg Override // VCS coverage off reg wr_limit_override; reg [5:0] wr_limit_override_value; assign wr_limit_muxed = wr_limit_override ? wr_limit_override_value : 6'd0; `ifdef NV_ARCHPRO event reinit; initial begin $display("fifogen reinit initial block %m"); -> reinit; end `endif `ifdef NV_ARCHPRO always @( reinit ) begin `else initial begin `endif wr_limit_override = 0; wr_limit_override_value = 0; // to keep viva happy with dangles if ( $test$plusargs( "NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_wr_limit" ) ) begin wr_limit_override = 1; $value$plusargs( "NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_wr_limit=%d", wr_limit_override_value); end end // VCS coverage on `endif `endif `endif // // Histogram of fifo depth (from write side's perspective) // // NOTE: it will reference `SIMTOP.perfmon_enabled, so that // has to at least be defined, though not initialized. // tbgen testbenches have it already and various // ways to turn it on and off. // `ifdef PERFMON_HISTOGRAM // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS perfmon_histogram perfmon ( .clk ( nvdla_core_clk ) , .max ( {26'd0, (wr_limit_reg == 6'd0) ? 6'd32 : wr_limit_reg} ) , .curr ( {26'd0, dat_fifo_wr_count} ) ); `endif `endif // synopsys translate_on `endif // spyglass disable_block W164a W164b W116 W484 W504 `ifdef SPYGLASS `else `ifdef FV_ASSERT_ON `else // synopsys translate_off `endif `ifdef ASSERT_ON `ifdef SPYGLASS wire disable_assert_plusarg = 1'b0; `else `ifdef FV_ASSERT_ON wire disable_assert_plusarg = 1'b0; `else wire disable_assert_plusarg = $test$plusargs("DISABLE_NESS_FLOW_ASSERTIONS"); `endif `endif wire assert_enabled = 1'b1 && !disable_assert_plusarg; `endif `ifdef FV_ASSERT_ON `else // synopsys translate_on `endif `ifdef ASSERT_ON //synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS always @(assert_enabled) begin if ( assert_enabled === 1'b0 ) begin $display("Asserts are disabled for %m"); end end `endif `endif //synopsys translate_on `endif `endif // spyglass enable_block W164a W164b W116 W484 W504 //The NV_BLKBOX_SRC0 module is only present when the FIFOGEN_MODULE_SEARCH // define is set. This is to aid fifogen team search for fifogen fifo // instance and module names in a given design. `ifdef FIFOGEN_MODULE_SEARCH NV_BLKBOX_SRC0 dummy_breadcrumb_fifogen_blkbox (.Y()); `endif // spyglass enable_block W401 -- clock is not input to module // synopsys dc_script_begin // set_boundary_optimization find(design, "NV_NVDLA_PDP_WDMA_DAT_fifo_32x32") true // synopsys dc_script_end //| &Attachment -no_warn EndModulePrepend; endmodule // NV_NVDLA_PDP_WDMA_DAT_fifo_32x32 // // Flop-Based RAM // module NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_flopram_rwsa_32x32 ( clk , pwrbus_ram_pd , di , we , wa , ra , dout ); input clk; // write clock input [31 : 0] pwrbus_ram_pd; input [31:0] di; input we; input [4:0] wa; input [5:0] ra; output [31:0] dout; NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_0 (.A(pwrbus_ram_pd[0])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_1 (.A(pwrbus_ram_pd[1])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_2 (.A(pwrbus_ram_pd[2])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_3 (.A(pwrbus_ram_pd[3])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_4 (.A(pwrbus_ram_pd[4])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_5 (.A(pwrbus_ram_pd[5])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_6 (.A(pwrbus_ram_pd[6])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_7 (.A(pwrbus_ram_pd[7])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_8 (.A(pwrbus_ram_pd[8])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_9 (.A(pwrbus_ram_pd[9])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_10 (.A(pwrbus_ram_pd[10])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_11 (.A(pwrbus_ram_pd[11])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_12 (.A(pwrbus_ram_pd[12])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_13 (.A(pwrbus_ram_pd[13])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_14 (.A(pwrbus_ram_pd[14])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_15 (.A(pwrbus_ram_pd[15])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_16 (.A(pwrbus_ram_pd[16])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_17 (.A(pwrbus_ram_pd[17])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_18 (.A(pwrbus_ram_pd[18])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_19 (.A(pwrbus_ram_pd[19])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_20 (.A(pwrbus_ram_pd[20])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_21 (.A(pwrbus_ram_pd[21])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_22 (.A(pwrbus_ram_pd[22])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_23 (.A(pwrbus_ram_pd[23])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_24 (.A(pwrbus_ram_pd[24])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_25 (.A(pwrbus_ram_pd[25])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_26 (.A(pwrbus_ram_pd[26])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_27 (.A(pwrbus_ram_pd[27])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_28 (.A(pwrbus_ram_pd[28])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_29 (.A(pwrbus_ram_pd[29])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_30 (.A(pwrbus_ram_pd[30])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_31 (.A(pwrbus_ram_pd[31])); `ifdef EMU wire [31:0] dout_p; // we use an emulation ram here to save flops on the emulation board // so that the monstrous chip can fit :-) // reg [4:0] Wa0_vmw; reg we0_vmw; reg [31:0] Di0_vmw; always @( posedge clk ) begin Wa0_vmw <= wa; we0_vmw <= we; Di0_vmw <= di; end vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_flopram_rwsa_32x32 emu_ram ( .Wa0( Wa0_vmw ) , .we0( we0_vmw ) , .Di0( Di0_vmw ) , .Ra0( ra[4:0] ) , .Do0( dout_p ) ); assign dout = (ra == 32) ? di : dout_p; `else reg [31:0] ram_ff0; reg [31:0] ram_ff1; reg [31:0] ram_ff2; reg [31:0] ram_ff3; reg [31:0] ram_ff4; reg [31:0] ram_ff5; reg [31:0] ram_ff6; reg [31:0] ram_ff7; reg [31:0] ram_ff8; reg [31:0] ram_ff9; reg [31:0] ram_ff10; reg [31:0] ram_ff11; reg [31:0] ram_ff12; reg [31:0] ram_ff13; reg [31:0] ram_ff14; reg [31:0] ram_ff15; reg [31:0] ram_ff16; reg [31:0] ram_ff17; reg [31:0] ram_ff18; reg [31:0] ram_ff19; reg [31:0] ram_ff20; reg [31:0] ram_ff21; reg [31:0] ram_ff22; reg [31:0] ram_ff23; reg [31:0] ram_ff24; reg [31:0] ram_ff25; reg [31:0] ram_ff26; reg [31:0] ram_ff27; reg [31:0] ram_ff28; reg [31:0] ram_ff29; reg [31:0] ram_ff30; reg [31:0] ram_ff31; always @( posedge clk ) begin if ( we && wa == 5'd0 ) begin ram_ff0 <= di; end if ( we && wa == 5'd1 ) begin ram_ff1 <= di; end if ( we && wa == 5'd2 ) begin ram_ff2 <= di; end if ( we && wa == 5'd3 ) begin ram_ff3 <= di; end if ( we && wa == 5'd4 ) begin ram_ff4 <= di; end if ( we && wa == 5'd5 ) begin ram_ff5 <= di; end if ( we && wa == 5'd6 ) begin ram_ff6 <= di; end if ( we && wa == 5'd7 ) begin ram_ff7 <= di; end if ( we && wa == 5'd8 ) begin ram_ff8 <= di; end if ( we && wa == 5'd9 ) begin ram_ff9 <= di; end if ( we && wa == 5'd10 ) begin ram_ff10 <= di; end if ( we && wa == 5'd11 ) begin ram_ff11 <= di; end if ( we && wa == 5'd12 ) begin ram_ff12 <= di; end if ( we && wa == 5'd13 ) begin ram_ff13 <= di; end if ( we && wa == 5'd14 ) begin ram_ff14 <= di; end if ( we && wa == 5'd15 ) begin ram_ff15 <= di; end if ( we && wa == 5'd16 ) begin ram_ff16 <= di; end if ( we && wa == 5'd17 ) begin ram_ff17 <= di; end if ( we && wa == 5'd18 ) begin ram_ff18 <= di; end if ( we && wa == 5'd19 ) begin ram_ff19 <= di; end if ( we && wa == 5'd20 ) begin ram_ff20 <= di; end if ( we && wa == 5'd21 ) begin ram_ff21 <= di; end if ( we && wa == 5'd22 ) begin ram_ff22 <= di; end if ( we && wa == 5'd23 ) begin ram_ff23 <= di; end if ( we && wa == 5'd24 ) begin ram_ff24 <= di; end if ( we && wa == 5'd25 ) begin ram_ff25 <= di; end if ( we && wa == 5'd26 ) begin ram_ff26 <= di; end if ( we && wa == 5'd27 ) begin ram_ff27 <= di; end if ( we && wa == 5'd28 ) begin ram_ff28 <= di; end if ( we && wa == 5'd29 ) begin ram_ff29 <= di; end if ( we && wa == 5'd30 ) begin ram_ff30 <= di; end if ( we && wa == 5'd31 ) begin ram_ff31 <= di; end end reg [31:0] dout; always @(*) begin case( ra ) 6'd0: dout = ram_ff0; 6'd1: dout = ram_ff1; 6'd2: dout = ram_ff2; 6'd3: dout = ram_ff3; 6'd4: dout = ram_ff4; 6'd5: dout = ram_ff5; 6'd6: dout = ram_ff6; 6'd7: dout = ram_ff7; 6'd8: dout = ram_ff8; 6'd9: dout = ram_ff9; 6'd10: dout = ram_ff10; 6'd11: dout = ram_ff11; 6'd12: dout = ram_ff12; 6'd13: dout = ram_ff13; 6'd14: dout = ram_ff14; 6'd15: dout = ram_ff15; 6'd16: dout = ram_ff16; 6'd17: dout = ram_ff17; 6'd18: dout = ram_ff18; 6'd19: dout = ram_ff19; 6'd20: dout = ram_ff20; 6'd21: dout = ram_ff21; 6'd22: dout = ram_ff22; 6'd23: dout = ram_ff23; 6'd24: dout = ram_ff24; 6'd25: dout = ram_ff25; 6'd26: dout = ram_ff26; 6'd27: dout = ram_ff27; 6'd28: dout = ram_ff28; 6'd29: dout = ram_ff29; 6'd30: dout = ram_ff30; 6'd31: dout = ram_ff31; 6'd32: dout = di; //VCS coverage off default: dout = {32{`x_or_0}}; //VCS coverage on endcase end `endif // EMU endmodule // NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_flopram_rwsa_32x32 // emulation model of flopram guts // `ifdef EMU module vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_flopram_rwsa_32x32 ( Wa0, we0, Di0, Ra0, Do0 ); input [4:0] Wa0; input we0; input [31:0] Di0; input [4:0] Ra0; output [31:0] Do0; // Only visible during Spyglass to avoid blackboxes. `ifdef SPYGLASS_FLOPRAM assign Do0 = 32'd0; wire dummy = 1'b0 | (|Wa0) | (|we0) | (|Di0) | (|Ra0); `endif // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS reg [31:0] mem[31:0]; // expand mem for debug ease `ifdef EMU_EXPAND_FLOPRAM_MEM wire [31:0] Q0 = mem[0]; wire [31:0] Q1 = mem[1]; wire [31:0] Q2 = mem[2]; wire [31:0] Q3 = mem[3]; wire [31:0] Q4 = mem[4]; wire [31:0] Q5 = mem[5]; wire [31:0] Q6 = mem[6]; wire [31:0] Q7 = mem[7]; wire [31:0] Q8 = mem[8]; wire [31:0] Q9 = mem[9]; wire [31:0] Q10 = mem[10]; wire [31:0] Q11 = mem[11]; wire [31:0] Q12 = mem[12]; wire [31:0] Q13 = mem[13]; wire [31:0] Q14 = mem[14]; wire [31:0] Q15 = mem[15]; wire [31:0] Q16 = mem[16]; wire [31:0] Q17 = mem[17]; wire [31:0] Q18 = mem[18]; wire [31:0] Q19 = mem[19]; wire [31:0] Q20 = mem[20]; wire [31:0] Q21 = mem[21]; wire [31:0] Q22 = mem[22]; wire [31:0] Q23 = mem[23]; wire [31:0] Q24 = mem[24]; wire [31:0] Q25 = mem[25]; wire [31:0] Q26 = mem[26]; wire [31:0] Q27 = mem[27]; wire [31:0] Q28 = mem[28]; wire [31:0] Q29 = mem[29]; wire [31:0] Q30 = mem[30]; wire [31:0] Q31 = mem[31]; `endif // asynchronous ram writes always @(*) begin if ( we0 == 1'b1 ) begin #0.1; mem[Wa0] = Di0; end end assign Do0 = mem[Ra0]; `endif `endif // synopsys translate_on // synopsys dc_script_begin // set_dont_touch { find (design, vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_flopram_rwsa_32x32) } // set_attribute { find (design, vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_flopram_rwsa_32x32) } require_dont_touch true -type boolean // synopsys dc_script_end // g2c if { [find / -null_ok -subdesign vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_flopram_rwsa_32x32] != {} } { set_attr preserve 1 [find / -subdesign vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_flopram_rwsa_32x32] } endmodule // vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_flopram_rwsa_32x32 //vmw: Memory vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_flopram_rwsa_32x32 //vmw: Address-size 5 //vmw: Data-size 32 //vmw: Sensitivity level 1 //vmw: Ports W R //vmw: terminal we0 WriteEnable0 //vmw: terminal Wa0 address0 //vmw: terminal Di0[31:0] data0[31:0] //vmw: //vmw: terminal Ra0 address1 //vmw: terminal Do0[31:0] data1[31:0] //vmw: //qt: CELL vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x32_flopram_rwsa_32x32 //qt: TERMINAL we0 TYPE=WE POLARITY=H PORT=1 //qt: TERMINAL Wa0[%d] TYPE=ADDRESS DIR=W BIT=%1 PORT=1 //qt: TERMINAL Di0[%d] TYPE=DATA DIR=I BIT=%1 PORT=1 //qt: //qt: TERMINAL Ra0[%d] TYPE=ADDRESS DIR=R BIT=%1 PORT=1 //qt: TERMINAL Do0[%d] TYPE=DATA DIR=O BIT=%1 PORT=1 //qt: `endif // EMU //| &Shell ${FIFOGEN} -stdout -m NV_NVDLA_PDP_WDMA_DAT_fifo_32x16 //| -clk_name ::eval($VIVA_CLOCK) //| -reset_name ::eval($VIVA_RESET) //| -wr_pipebus dat_fifo_wr //| -rd_pipebus dat_fifo_rd //| -rand_none //| -rd_reg //| -ram_bypass //| -d ::eval(32) //| -w ::eval(16) //| -ram ff; // // AUTOMATICALLY GENERATED -- DO NOT EDIT OR CHECK IN // // /home/nvtools/engr/2017/03/11_05_00_06/nvtools/scripts/fifogen // fifogen -input_config_yaml ../../../../../../../socd/ip_chip_tools/1.0/defs/public/fifogen/golden/tlit5/fifogen.yml -no_make_ram -no_make_ram -stdout -m NV_NVDLA_PDP_WDMA_DAT_fifo_32x16 -clk_name nvdla_core_clk -reset_name nvdla_core_rstn -wr_pipebus dat_fifo_wr -rd_pipebus dat_fifo_rd -rand_none -rd_reg -ram_bypass -d 32 -w 16 -ram ff [Chosen ram type: ff - fifogen_flops (user specified, thus no other ram type is allowed)] // chip config vars: assertion_module_prefix=nv_ strict_synchronizers=1 strict_synchronizers_use_lib_cells=1 strict_synchronizers_use_tm_lib_cells=1 strict_sync_randomizer=1 assertion_message_prefix=FIFOGEN_ASSERTION allow_async_fifola=0 ignore_ramgen_fifola_variant=1 uses_p_SSYNC=0 uses_prand=1 uses_rammake_inc=1 use_x_or_0=1 force_wr_reg_gated=1 no_force_reset=1 no_timescale=1 no_pli_ifdef=1 requires_full_throughput=1 ram_auto_ff_bits_cutoff=16 ram_auto_ff_width_cutoff=2 ram_auto_ff_width_cutoff_max_depth=32 ram_auto_ff_depth_cutoff=-1 ram_auto_ff_no_la2_depth_cutoff=5 ram_auto_la2_width_cutoff=8 ram_auto_la2_width_cutoff_max_depth=56 ram_auto_la2_depth_cutoff=16 flopram_emu_model=1 dslp_single_clamp_port=1 dslp_clamp_port=1 slp_single_clamp_port=1 slp_clamp_port=1 master_clk_gated=1 clk_gate_module=NV_CLK_gate_power redundant_timing_flops=0 hot_reset_async_force_ports_and_loopback=1 ram_sleep_en_width=1 async_cdc_reg_id=NV_AFIFO_ rd_reg_default_for_async=1 async_ram_instance_prefix=NV_ASYNC_RAM_ allow_rd_busy_reg_warning=0 do_dft_xelim_gating=1 add_dft_xelim_wr_clkgate=1 add_dft_xelim_rd_clkgate=1 // // leda B_3208_NV OFF -- Unequal length LHS and RHS in assignment // leda B_1405 OFF -- 2 asynchronous resets in this unit detected `define FORCE_CONTENTION_ASSERTION_RESET_ACTIVE 1'b1 `include "simulate_x_tick.vh" module NV_NVDLA_PDP_WDMA_DAT_fifo_32x16 ( nvdla_core_clk , nvdla_core_rstn , dat_fifo_wr_prdy , dat_fifo_wr_pvld , dat_fifo_wr_pd , dat_fifo_rd_prdy , dat_fifo_rd_pvld , dat_fifo_rd_pd , pwrbus_ram_pd ); // spyglass disable_block W401 -- clock is not input to module input nvdla_core_clk; input nvdla_core_rstn; output dat_fifo_wr_prdy; input dat_fifo_wr_pvld; input [15:0] dat_fifo_wr_pd; input dat_fifo_rd_prdy; output dat_fifo_rd_pvld; output [15:0] dat_fifo_rd_pd; input [31:0] pwrbus_ram_pd; // Master Clock Gating (SLCG) // // We gate the clock(s) when idle or stalled. // This allows us to turn off numerous miscellaneous flops // that don't get gated during synthesis for one reason or another. // // We gate write side and read side separately. // If the fifo is synchronous, we also gate the ram separately, but if // -master_clk_gated_unified or -status_reg/-status_logic_reg is specified, // then we use one clk gate for write, ram, and read. // wire nvdla_core_clk_mgated_enable; // assigned by code at end of this module wire nvdla_core_clk_mgated; // used only in synchronous fifos NV_CLK_gate_power nvdla_core_clk_mgate( .clk(nvdla_core_clk), .reset_(nvdla_core_rstn), .clk_en(nvdla_core_clk_mgated_enable), .clk_gated(nvdla_core_clk_mgated) ); // // WRITE SIDE // wire wr_reserving; reg dat_fifo_wr_busy_int; // copy for internal use assign dat_fifo_wr_prdy = !dat_fifo_wr_busy_int; assign wr_reserving = dat_fifo_wr_pvld && !dat_fifo_wr_busy_int; // reserving write space? wire wr_popping; // fwd: write side sees pop? reg [5:0] dat_fifo_wr_count; // write-side count wire [5:0] wr_count_next_wr_popping = wr_reserving ? dat_fifo_wr_count : (dat_fifo_wr_count - 1'd1); // spyglass disable W164a W484 wire [5:0] wr_count_next_no_wr_popping = wr_reserving ? (dat_fifo_wr_count + 1'd1) : dat_fifo_wr_count; // spyglass disable W164a W484 wire [5:0] wr_count_next = wr_popping ? wr_count_next_wr_popping : wr_count_next_no_wr_popping; wire wr_count_next_no_wr_popping_is_32 = ( wr_count_next_no_wr_popping == 6'd32 ); wire wr_count_next_is_32 = wr_popping ? 1'b0 : wr_count_next_no_wr_popping_is_32; wire [5:0] wr_limit_muxed; // muxed with simulation/emulation overrides wire [5:0] wr_limit_reg = wr_limit_muxed; // VCS coverage off wire dat_fifo_wr_busy_next = wr_count_next_is_32 || // busy next cycle? (wr_limit_reg != 6'd0 && // check dat_fifo_wr_limit if != 0 wr_count_next >= wr_limit_reg) ; // VCS coverage on always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_wr_busy_int <= 1'b0; dat_fifo_wr_count <= 6'd0; end else begin dat_fifo_wr_busy_int <= dat_fifo_wr_busy_next; if ( wr_reserving ^ wr_popping ) begin dat_fifo_wr_count <= wr_count_next; end //synopsys translate_off else if ( !(wr_reserving ^ wr_popping) ) begin end else begin dat_fifo_wr_count <= {6{`x_or_0}}; end //synopsys translate_on end end wire wr_pushing = wr_reserving; // data pushed same cycle as dat_fifo_wr_pvld // // RAM // reg [4:0] dat_fifo_wr_adr; // current write address // spyglass disable_block W484 always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_wr_adr <= 5'd0; end else begin if ( wr_pushing ) begin dat_fifo_wr_adr <= dat_fifo_wr_adr + 1'd1; end end end // spyglass enable_block W484 wire rd_popping; reg [4:0] dat_fifo_rd_adr; // read address this cycle wire ram_we = wr_pushing && (dat_fifo_wr_count > 6'd0 || !rd_popping); // note: write occurs next cycle wire [15:0] dat_fifo_rd_pd_p; // read data out of ram wire [31 : 0] pwrbus_ram_pd; // Adding parameter for fifogen to disable wr/rd contention assertion in ramgen. // Fifogen handles this by ignoring the data on the ram data out for that cycle. NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_flopram_rwsa_32x16 ram ( .clk( nvdla_core_clk_mgated ) , .pwrbus_ram_pd ( pwrbus_ram_pd ) , .di ( dat_fifo_wr_pd ) , .we ( ram_we ) , .wa ( dat_fifo_wr_adr ) , .ra ( (dat_fifo_wr_count == 0) ? 6'd32 : {1'b0,dat_fifo_rd_adr} ) , .dout ( dat_fifo_rd_pd_p ) ); wire [4:0] rd_adr_next_popping = dat_fifo_rd_adr + 1'd1; // spyglass disable W484 always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_rd_adr <= 5'd0; end else begin if ( rd_popping ) begin dat_fifo_rd_adr <= rd_adr_next_popping; end //synopsys translate_off else if ( !rd_popping ) begin end else begin dat_fifo_rd_adr <= {5{`x_or_0}}; end //synopsys translate_on end end // // SYNCHRONOUS BOUNDARY // assign wr_popping = rd_popping; // let it be seen immediately wire rd_pushing = wr_pushing; // let it be seen immediately // // READ SIDE // wire dat_fifo_rd_pvld_p; // data out of fifo is valid reg dat_fifo_rd_pvld_int; // internal copy of dat_fifo_rd_pvld assign dat_fifo_rd_pvld = dat_fifo_rd_pvld_int; assign rd_popping = dat_fifo_rd_pvld_p && !(dat_fifo_rd_pvld_int && !dat_fifo_rd_prdy); reg [5:0] dat_fifo_rd_count_p; // read-side fifo count // spyglass disable_block W164a W484 wire [5:0] rd_count_p_next_rd_popping = rd_pushing ? dat_fifo_rd_count_p : (dat_fifo_rd_count_p - 1'd1); wire [5:0] rd_count_p_next_no_rd_popping = rd_pushing ? (dat_fifo_rd_count_p + 1'd1) : dat_fifo_rd_count_p; // spyglass enable_block W164a W484 wire [5:0] rd_count_p_next = rd_popping ? rd_count_p_next_rd_popping : rd_count_p_next_no_rd_popping; assign dat_fifo_rd_pvld_p = dat_fifo_rd_count_p != 0 || rd_pushing; always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_rd_count_p <= 6'd0; end else begin if ( rd_pushing || rd_popping ) begin dat_fifo_rd_count_p <= rd_count_p_next; end //synopsys translate_off else if ( !(rd_pushing || rd_popping ) ) begin end else begin dat_fifo_rd_count_p <= {6{`x_or_0}}; end //synopsys translate_on end end reg [15:0] dat_fifo_rd_pd; // output data register wire rd_req_next = (dat_fifo_rd_pvld_p || (dat_fifo_rd_pvld_int && !dat_fifo_rd_prdy)) ; always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_rd_pvld_int <= 1'b0; end else begin dat_fifo_rd_pvld_int <= rd_req_next; end end always @( posedge nvdla_core_clk_mgated ) begin if ( (rd_popping) ) begin dat_fifo_rd_pd <= dat_fifo_rd_pd_p; end //synopsys translate_off else if ( !((rd_popping)) ) begin end else begin dat_fifo_rd_pd <= {16{`x_or_0}}; end //synopsys translate_on end // Master Clock Gating (SLCG) Enables // // plusarg for disabling this stuff: // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS reg master_clk_gating_disabled; initial master_clk_gating_disabled = $test$plusargs( "fifogen_disable_master_clk_gating" ) != 0; `endif `endif // synopsys translate_on assign nvdla_core_clk_mgated_enable = ((wr_reserving || wr_pushing || wr_popping || (dat_fifo_wr_pvld && !dat_fifo_wr_busy_int) || (dat_fifo_wr_busy_int != dat_fifo_wr_busy_next)) || (rd_pushing || rd_popping || (dat_fifo_rd_pvld_int && dat_fifo_rd_prdy)) || (wr_pushing)) `ifdef FIFOGEN_MASTER_CLK_GATING_DISABLED || 1'b1 `endif // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS || master_clk_gating_disabled `endif `endif // synopsys translate_on ; // Simulation and Emulation Overrides of wr_limit(s) // `ifdef EMU `ifdef EMU_FIFO_CFG // Emulation Global Config Override // assign wr_limit_muxed = `EMU_FIFO_CFG.NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_wr_limit_override ? `EMU_FIFO_CFG.NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_wr_limit : 6'd0; `else // No Global Override for Emulation // assign wr_limit_muxed = 6'd0; `endif // EMU_FIFO_CFG `else // !EMU `ifdef SYNTH_LEVEL1_COMPILE // No Override for GCS Compiles // assign wr_limit_muxed = 6'd0; `else `ifdef SYNTHESIS // No Override for RTL Synthesis // assign wr_limit_muxed = 6'd0; `else // RTL Simulation Plusarg Override // VCS coverage off reg wr_limit_override; reg [5:0] wr_limit_override_value; assign wr_limit_muxed = wr_limit_override ? wr_limit_override_value : 6'd0; `ifdef NV_ARCHPRO event reinit; initial begin $display("fifogen reinit initial block %m"); -> reinit; end `endif `ifdef NV_ARCHPRO always @( reinit ) begin `else initial begin `endif wr_limit_override = 0; wr_limit_override_value = 0; // to keep viva happy with dangles if ( $test$plusargs( "NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_wr_limit" ) ) begin wr_limit_override = 1; $value$plusargs( "NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_wr_limit=%d", wr_limit_override_value); end end // VCS coverage on `endif `endif `endif // // Histogram of fifo depth (from write side's perspective) // // NOTE: it will reference `SIMTOP.perfmon_enabled, so that // has to at least be defined, though not initialized. // tbgen testbenches have it already and various // ways to turn it on and off. // `ifdef PERFMON_HISTOGRAM // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS perfmon_histogram perfmon ( .clk ( nvdla_core_clk ) , .max ( {26'd0, (wr_limit_reg == 6'd0) ? 6'd32 : wr_limit_reg} ) , .curr ( {26'd0, dat_fifo_wr_count} ) ); `endif `endif // synopsys translate_on `endif // spyglass disable_block W164a W164b W116 W484 W504 `ifdef SPYGLASS `else `ifdef FV_ASSERT_ON `else // synopsys translate_off `endif `ifdef ASSERT_ON `ifdef SPYGLASS wire disable_assert_plusarg = 1'b0; `else `ifdef FV_ASSERT_ON wire disable_assert_plusarg = 1'b0; `else wire disable_assert_plusarg = $test$plusargs("DISABLE_NESS_FLOW_ASSERTIONS"); `endif `endif wire assert_enabled = 1'b1 && !disable_assert_plusarg; `endif `ifdef FV_ASSERT_ON `else // synopsys translate_on `endif `ifdef ASSERT_ON //synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS always @(assert_enabled) begin if ( assert_enabled === 1'b0 ) begin $display("Asserts are disabled for %m"); end end `endif `endif //synopsys translate_on `endif `endif // spyglass enable_block W164a W164b W116 W484 W504 //The NV_BLKBOX_SRC0 module is only present when the FIFOGEN_MODULE_SEARCH // define is set. This is to aid fifogen team search for fifogen fifo // instance and module names in a given design. `ifdef FIFOGEN_MODULE_SEARCH NV_BLKBOX_SRC0 dummy_breadcrumb_fifogen_blkbox (.Y()); `endif // spyglass enable_block W401 -- clock is not input to module // synopsys dc_script_begin // set_boundary_optimization find(design, "NV_NVDLA_PDP_WDMA_DAT_fifo_32x16") true // synopsys dc_script_end //| &Attachment -no_warn EndModulePrepend; endmodule // NV_NVDLA_PDP_WDMA_DAT_fifo_32x16 // // Flop-Based RAM // module NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_flopram_rwsa_32x16 ( clk , pwrbus_ram_pd , di , we , wa , ra , dout ); input clk; // write clock input [31 : 0] pwrbus_ram_pd; input [15:0] di; input we; input [4:0] wa; input [5:0] ra; output [15:0] dout; NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_0 (.A(pwrbus_ram_pd[0])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_1 (.A(pwrbus_ram_pd[1])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_2 (.A(pwrbus_ram_pd[2])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_3 (.A(pwrbus_ram_pd[3])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_4 (.A(pwrbus_ram_pd[4])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_5 (.A(pwrbus_ram_pd[5])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_6 (.A(pwrbus_ram_pd[6])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_7 (.A(pwrbus_ram_pd[7])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_8 (.A(pwrbus_ram_pd[8])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_9 (.A(pwrbus_ram_pd[9])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_10 (.A(pwrbus_ram_pd[10])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_11 (.A(pwrbus_ram_pd[11])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_12 (.A(pwrbus_ram_pd[12])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_13 (.A(pwrbus_ram_pd[13])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_14 (.A(pwrbus_ram_pd[14])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_15 (.A(pwrbus_ram_pd[15])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_16 (.A(pwrbus_ram_pd[16])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_17 (.A(pwrbus_ram_pd[17])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_18 (.A(pwrbus_ram_pd[18])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_19 (.A(pwrbus_ram_pd[19])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_20 (.A(pwrbus_ram_pd[20])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_21 (.A(pwrbus_ram_pd[21])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_22 (.A(pwrbus_ram_pd[22])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_23 (.A(pwrbus_ram_pd[23])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_24 (.A(pwrbus_ram_pd[24])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_25 (.A(pwrbus_ram_pd[25])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_26 (.A(pwrbus_ram_pd[26])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_27 (.A(pwrbus_ram_pd[27])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_28 (.A(pwrbus_ram_pd[28])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_29 (.A(pwrbus_ram_pd[29])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_30 (.A(pwrbus_ram_pd[30])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_31 (.A(pwrbus_ram_pd[31])); `ifdef EMU wire [15:0] dout_p; // we use an emulation ram here to save flops on the emulation board // so that the monstrous chip can fit :-) // reg [4:0] Wa0_vmw; reg we0_vmw; reg [15:0] Di0_vmw; always @( posedge clk ) begin Wa0_vmw <= wa; we0_vmw <= we; Di0_vmw <= di; end vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_flopram_rwsa_32x16 emu_ram ( .Wa0( Wa0_vmw ) , .we0( we0_vmw ) , .Di0( Di0_vmw ) , .Ra0( ra[4:0] ) , .Do0( dout_p ) ); assign dout = (ra == 32) ? di : dout_p; `else reg [15:0] ram_ff0; reg [15:0] ram_ff1; reg [15:0] ram_ff2; reg [15:0] ram_ff3; reg [15:0] ram_ff4; reg [15:0] ram_ff5; reg [15:0] ram_ff6; reg [15:0] ram_ff7; reg [15:0] ram_ff8; reg [15:0] ram_ff9; reg [15:0] ram_ff10; reg [15:0] ram_ff11; reg [15:0] ram_ff12; reg [15:0] ram_ff13; reg [15:0] ram_ff14; reg [15:0] ram_ff15; reg [15:0] ram_ff16; reg [15:0] ram_ff17; reg [15:0] ram_ff18; reg [15:0] ram_ff19; reg [15:0] ram_ff20; reg [15:0] ram_ff21; reg [15:0] ram_ff22; reg [15:0] ram_ff23; reg [15:0] ram_ff24; reg [15:0] ram_ff25; reg [15:0] ram_ff26; reg [15:0] ram_ff27; reg [15:0] ram_ff28; reg [15:0] ram_ff29; reg [15:0] ram_ff30; reg [15:0] ram_ff31; always @( posedge clk ) begin if ( we && wa == 5'd0 ) begin ram_ff0 <= di; end if ( we && wa == 5'd1 ) begin ram_ff1 <= di; end if ( we && wa == 5'd2 ) begin ram_ff2 <= di; end if ( we && wa == 5'd3 ) begin ram_ff3 <= di; end if ( we && wa == 5'd4 ) begin ram_ff4 <= di; end if ( we && wa == 5'd5 ) begin ram_ff5 <= di; end if ( we && wa == 5'd6 ) begin ram_ff6 <= di; end if ( we && wa == 5'd7 ) begin ram_ff7 <= di; end if ( we && wa == 5'd8 ) begin ram_ff8 <= di; end if ( we && wa == 5'd9 ) begin ram_ff9 <= di; end if ( we && wa == 5'd10 ) begin ram_ff10 <= di; end if ( we && wa == 5'd11 ) begin ram_ff11 <= di; end if ( we && wa == 5'd12 ) begin ram_ff12 <= di; end if ( we && wa == 5'd13 ) begin ram_ff13 <= di; end if ( we && wa == 5'd14 ) begin ram_ff14 <= di; end if ( we && wa == 5'd15 ) begin ram_ff15 <= di; end if ( we && wa == 5'd16 ) begin ram_ff16 <= di; end if ( we && wa == 5'd17 ) begin ram_ff17 <= di; end if ( we && wa == 5'd18 ) begin ram_ff18 <= di; end if ( we && wa == 5'd19 ) begin ram_ff19 <= di; end if ( we && wa == 5'd20 ) begin ram_ff20 <= di; end if ( we && wa == 5'd21 ) begin ram_ff21 <= di; end if ( we && wa == 5'd22 ) begin ram_ff22 <= di; end if ( we && wa == 5'd23 ) begin ram_ff23 <= di; end if ( we && wa == 5'd24 ) begin ram_ff24 <= di; end if ( we && wa == 5'd25 ) begin ram_ff25 <= di; end if ( we && wa == 5'd26 ) begin ram_ff26 <= di; end if ( we && wa == 5'd27 ) begin ram_ff27 <= di; end if ( we && wa == 5'd28 ) begin ram_ff28 <= di; end if ( we && wa == 5'd29 ) begin ram_ff29 <= di; end if ( we && wa == 5'd30 ) begin ram_ff30 <= di; end if ( we && wa == 5'd31 ) begin ram_ff31 <= di; end end reg [15:0] dout; always @(*) begin case( ra ) 6'd0: dout = ram_ff0; 6'd1: dout = ram_ff1; 6'd2: dout = ram_ff2; 6'd3: dout = ram_ff3; 6'd4: dout = ram_ff4; 6'd5: dout = ram_ff5; 6'd6: dout = ram_ff6; 6'd7: dout = ram_ff7; 6'd8: dout = ram_ff8; 6'd9: dout = ram_ff9; 6'd10: dout = ram_ff10; 6'd11: dout = ram_ff11; 6'd12: dout = ram_ff12; 6'd13: dout = ram_ff13; 6'd14: dout = ram_ff14; 6'd15: dout = ram_ff15; 6'd16: dout = ram_ff16; 6'd17: dout = ram_ff17; 6'd18: dout = ram_ff18; 6'd19: dout = ram_ff19; 6'd20: dout = ram_ff20; 6'd21: dout = ram_ff21; 6'd22: dout = ram_ff22; 6'd23: dout = ram_ff23; 6'd24: dout = ram_ff24; 6'd25: dout = ram_ff25; 6'd26: dout = ram_ff26; 6'd27: dout = ram_ff27; 6'd28: dout = ram_ff28; 6'd29: dout = ram_ff29; 6'd30: dout = ram_ff30; 6'd31: dout = ram_ff31; 6'd32: dout = di; //VCS coverage off default: dout = {16{`x_or_0}}; //VCS coverage on endcase end `endif // EMU endmodule // NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_flopram_rwsa_32x16 // emulation model of flopram guts // `ifdef EMU module vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_flopram_rwsa_32x16 ( Wa0, we0, Di0, Ra0, Do0 ); input [4:0] Wa0; input we0; input [15:0] Di0; input [4:0] Ra0; output [15:0] Do0; // Only visible during Spyglass to avoid blackboxes. `ifdef SPYGLASS_FLOPRAM assign Do0 = 16'd0; wire dummy = 1'b0 | (|Wa0) | (|we0) | (|Di0) | (|Ra0); `endif // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS reg [15:0] mem[31:0]; // expand mem for debug ease `ifdef EMU_EXPAND_FLOPRAM_MEM wire [15:0] Q0 = mem[0]; wire [15:0] Q1 = mem[1]; wire [15:0] Q2 = mem[2]; wire [15:0] Q3 = mem[3]; wire [15:0] Q4 = mem[4]; wire [15:0] Q5 = mem[5]; wire [15:0] Q6 = mem[6]; wire [15:0] Q7 = mem[7]; wire [15:0] Q8 = mem[8]; wire [15:0] Q9 = mem[9]; wire [15:0] Q10 = mem[10]; wire [15:0] Q11 = mem[11]; wire [15:0] Q12 = mem[12]; wire [15:0] Q13 = mem[13]; wire [15:0] Q14 = mem[14]; wire [15:0] Q15 = mem[15]; wire [15:0] Q16 = mem[16]; wire [15:0] Q17 = mem[17]; wire [15:0] Q18 = mem[18]; wire [15:0] Q19 = mem[19]; wire [15:0] Q20 = mem[20]; wire [15:0] Q21 = mem[21]; wire [15:0] Q22 = mem[22]; wire [15:0] Q23 = mem[23]; wire [15:0] Q24 = mem[24]; wire [15:0] Q25 = mem[25]; wire [15:0] Q26 = mem[26]; wire [15:0] Q27 = mem[27]; wire [15:0] Q28 = mem[28]; wire [15:0] Q29 = mem[29]; wire [15:0] Q30 = mem[30]; wire [15:0] Q31 = mem[31]; `endif // asynchronous ram writes always @(*) begin if ( we0 == 1'b1 ) begin #0.1; mem[Wa0] = Di0; end end assign Do0 = mem[Ra0]; `endif `endif // synopsys translate_on // synopsys dc_script_begin // set_dont_touch { find (design, vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_flopram_rwsa_32x16) } // set_attribute { find (design, vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_flopram_rwsa_32x16) } require_dont_touch true -type boolean // synopsys dc_script_end // g2c if { [find / -null_ok -subdesign vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_flopram_rwsa_32x16] != {} } { set_attr preserve 1 [find / -subdesign vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_flopram_rwsa_32x16] } endmodule // vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_flopram_rwsa_32x16 //vmw: Memory vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_flopram_rwsa_32x16 //vmw: Address-size 5 //vmw: Data-size 16 //vmw: Sensitivity level 1 //vmw: Ports W R //vmw: terminal we0 WriteEnable0 //vmw: terminal Wa0 address0 //vmw: terminal Di0[15:0] data0[15:0] //vmw: //vmw: terminal Ra0 address1 //vmw: terminal Do0[15:0] data1[15:0] //vmw: //qt: CELL vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x16_flopram_rwsa_32x16 //qt: TERMINAL we0 TYPE=WE POLARITY=H PORT=1 //qt: TERMINAL Wa0[%d] TYPE=ADDRESS DIR=W BIT=%1 PORT=1 //qt: TERMINAL Di0[%d] TYPE=DATA DIR=I BIT=%1 PORT=1 //qt: //qt: TERMINAL Ra0[%d] TYPE=ADDRESS DIR=R BIT=%1 PORT=1 //qt: TERMINAL Do0[%d] TYPE=DATA DIR=O BIT=%1 PORT=1 //qt: `endif // EMU //| &Shell ${FIFOGEN} -stdout -m NV_NVDLA_PDP_WDMA_DAT_fifo_32x8 //| -clk_name ::eval($VIVA_CLOCK) //| -reset_name ::eval($VIVA_RESET) //| -wr_pipebus dat_fifo_wr //| -rd_pipebus dat_fifo_rd //| -rand_none //| -rd_reg //| -ram_bypass //| -d ::eval(32) //| -w ::eval(8) //| -ram ff; // // AUTOMATICALLY GENERATED -- DO NOT EDIT OR CHECK IN // // /home/nvtools/engr/2017/03/11_05_00_06/nvtools/scripts/fifogen // fifogen -input_config_yaml ../../../../../../../socd/ip_chip_tools/1.0/defs/public/fifogen/golden/tlit5/fifogen.yml -no_make_ram -no_make_ram -stdout -m NV_NVDLA_PDP_WDMA_DAT_fifo_32x8 -clk_name nvdla_core_clk -reset_name nvdla_core_rstn -wr_pipebus dat_fifo_wr -rd_pipebus dat_fifo_rd -rand_none -rd_reg -ram_bypass -d 32 -w 8 -ram ff [Chosen ram type: ff - fifogen_flops (user specified, thus no other ram type is allowed)] // chip config vars: assertion_module_prefix=nv_ strict_synchronizers=1 strict_synchronizers_use_lib_cells=1 strict_synchronizers_use_tm_lib_cells=1 strict_sync_randomizer=1 assertion_message_prefix=FIFOGEN_ASSERTION allow_async_fifola=0 ignore_ramgen_fifola_variant=1 uses_p_SSYNC=0 uses_prand=1 uses_rammake_inc=1 use_x_or_0=1 force_wr_reg_gated=1 no_force_reset=1 no_timescale=1 no_pli_ifdef=1 requires_full_throughput=1 ram_auto_ff_bits_cutoff=16 ram_auto_ff_width_cutoff=2 ram_auto_ff_width_cutoff_max_depth=32 ram_auto_ff_depth_cutoff=-1 ram_auto_ff_no_la2_depth_cutoff=5 ram_auto_la2_width_cutoff=8 ram_auto_la2_width_cutoff_max_depth=56 ram_auto_la2_depth_cutoff=16 flopram_emu_model=1 dslp_single_clamp_port=1 dslp_clamp_port=1 slp_single_clamp_port=1 slp_clamp_port=1 master_clk_gated=1 clk_gate_module=NV_CLK_gate_power redundant_timing_flops=0 hot_reset_async_force_ports_and_loopback=1 ram_sleep_en_width=1 async_cdc_reg_id=NV_AFIFO_ rd_reg_default_for_async=1 async_ram_instance_prefix=NV_ASYNC_RAM_ allow_rd_busy_reg_warning=0 do_dft_xelim_gating=1 add_dft_xelim_wr_clkgate=1 add_dft_xelim_rd_clkgate=1 // // leda B_3208_NV OFF -- Unequal length LHS and RHS in assignment // leda B_1405 OFF -- 2 asynchronous resets in this unit detected `define FORCE_CONTENTION_ASSERTION_RESET_ACTIVE 1'b1 `include "simulate_x_tick.vh" module NV_NVDLA_PDP_WDMA_DAT_fifo_32x8 ( nvdla_core_clk , nvdla_core_rstn , dat_fifo_wr_prdy , dat_fifo_wr_pvld , dat_fifo_wr_pd , dat_fifo_rd_prdy , dat_fifo_rd_pvld , dat_fifo_rd_pd , pwrbus_ram_pd ); // spyglass disable_block W401 -- clock is not input to module input nvdla_core_clk; input nvdla_core_rstn; output dat_fifo_wr_prdy; input dat_fifo_wr_pvld; input [7:0] dat_fifo_wr_pd; input dat_fifo_rd_prdy; output dat_fifo_rd_pvld; output [7:0] dat_fifo_rd_pd; input [31:0] pwrbus_ram_pd; // Master Clock Gating (SLCG) // // We gate the clock(s) when idle or stalled. // This allows us to turn off numerous miscellaneous flops // that don't get gated during synthesis for one reason or another. // // We gate write side and read side separately. // If the fifo is synchronous, we also gate the ram separately, but if // -master_clk_gated_unified or -status_reg/-status_logic_reg is specified, // then we use one clk gate for write, ram, and read. // wire nvdla_core_clk_mgated_enable; // assigned by code at end of this module wire nvdla_core_clk_mgated; // used only in synchronous fifos NV_CLK_gate_power nvdla_core_clk_mgate( .clk(nvdla_core_clk), .reset_(nvdla_core_rstn), .clk_en(nvdla_core_clk_mgated_enable), .clk_gated(nvdla_core_clk_mgated) ); // // WRITE SIDE // wire wr_reserving; reg dat_fifo_wr_busy_int; // copy for internal use assign dat_fifo_wr_prdy = !dat_fifo_wr_busy_int; assign wr_reserving = dat_fifo_wr_pvld && !dat_fifo_wr_busy_int; // reserving write space? wire wr_popping; // fwd: write side sees pop? reg [5:0] dat_fifo_wr_count; // write-side count wire [5:0] wr_count_next_wr_popping = wr_reserving ? dat_fifo_wr_count : (dat_fifo_wr_count - 1'd1); // spyglass disable W164a W484 wire [5:0] wr_count_next_no_wr_popping = wr_reserving ? (dat_fifo_wr_count + 1'd1) : dat_fifo_wr_count; // spyglass disable W164a W484 wire [5:0] wr_count_next = wr_popping ? wr_count_next_wr_popping : wr_count_next_no_wr_popping; wire wr_count_next_no_wr_popping_is_32 = ( wr_count_next_no_wr_popping == 6'd32 ); wire wr_count_next_is_32 = wr_popping ? 1'b0 : wr_count_next_no_wr_popping_is_32; wire [5:0] wr_limit_muxed; // muxed with simulation/emulation overrides wire [5:0] wr_limit_reg = wr_limit_muxed; // VCS coverage off wire dat_fifo_wr_busy_next = wr_count_next_is_32 || // busy next cycle? (wr_limit_reg != 6'd0 && // check dat_fifo_wr_limit if != 0 wr_count_next >= wr_limit_reg) ; // VCS coverage on always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_wr_busy_int <= 1'b0; dat_fifo_wr_count <= 6'd0; end else begin dat_fifo_wr_busy_int <= dat_fifo_wr_busy_next; if ( wr_reserving ^ wr_popping ) begin dat_fifo_wr_count <= wr_count_next; end //synopsys translate_off else if ( !(wr_reserving ^ wr_popping) ) begin end else begin dat_fifo_wr_count <= {6{`x_or_0}}; end //synopsys translate_on end end wire wr_pushing = wr_reserving; // data pushed same cycle as dat_fifo_wr_pvld // // RAM // reg [4:0] dat_fifo_wr_adr; // current write address // spyglass disable_block W484 always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_wr_adr <= 5'd0; end else begin if ( wr_pushing ) begin dat_fifo_wr_adr <= dat_fifo_wr_adr + 1'd1; end end end // spyglass enable_block W484 wire rd_popping; reg [4:0] dat_fifo_rd_adr; // read address this cycle wire ram_we = wr_pushing && (dat_fifo_wr_count > 6'd0 || !rd_popping); // note: write occurs next cycle wire [7:0] dat_fifo_rd_pd_p; // read data out of ram wire [31 : 0] pwrbus_ram_pd; // Adding parameter for fifogen to disable wr/rd contention assertion in ramgen. // Fifogen handles this by ignoring the data on the ram data out for that cycle. NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_flopram_rwsa_32x8 ram ( .clk( nvdla_core_clk_mgated ) , .pwrbus_ram_pd ( pwrbus_ram_pd ) , .di ( dat_fifo_wr_pd ) , .we ( ram_we ) , .wa ( dat_fifo_wr_adr ) , .ra ( (dat_fifo_wr_count == 0) ? 6'd32 : {1'b0,dat_fifo_rd_adr} ) , .dout ( dat_fifo_rd_pd_p ) ); wire [4:0] rd_adr_next_popping = dat_fifo_rd_adr + 1'd1; // spyglass disable W484 always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_rd_adr <= 5'd0; end else begin if ( rd_popping ) begin dat_fifo_rd_adr <= rd_adr_next_popping; end //synopsys translate_off else if ( !rd_popping ) begin end else begin dat_fifo_rd_adr <= {5{`x_or_0}}; end //synopsys translate_on end end // // SYNCHRONOUS BOUNDARY // assign wr_popping = rd_popping; // let it be seen immediately wire rd_pushing = wr_pushing; // let it be seen immediately // // READ SIDE // wire dat_fifo_rd_pvld_p; // data out of fifo is valid reg dat_fifo_rd_pvld_int; // internal copy of dat_fifo_rd_pvld assign dat_fifo_rd_pvld = dat_fifo_rd_pvld_int; assign rd_popping = dat_fifo_rd_pvld_p && !(dat_fifo_rd_pvld_int && !dat_fifo_rd_prdy); reg [5:0] dat_fifo_rd_count_p; // read-side fifo count // spyglass disable_block W164a W484 wire [5:0] rd_count_p_next_rd_popping = rd_pushing ? dat_fifo_rd_count_p : (dat_fifo_rd_count_p - 1'd1); wire [5:0] rd_count_p_next_no_rd_popping = rd_pushing ? (dat_fifo_rd_count_p + 1'd1) : dat_fifo_rd_count_p; // spyglass enable_block W164a W484 wire [5:0] rd_count_p_next = rd_popping ? rd_count_p_next_rd_popping : rd_count_p_next_no_rd_popping; assign dat_fifo_rd_pvld_p = dat_fifo_rd_count_p != 0 || rd_pushing; always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_rd_count_p <= 6'd0; end else begin if ( rd_pushing || rd_popping ) begin dat_fifo_rd_count_p <= rd_count_p_next; end //synopsys translate_off else if ( !(rd_pushing || rd_popping ) ) begin end else begin dat_fifo_rd_count_p <= {6{`x_or_0}}; end //synopsys translate_on end end reg [7:0] dat_fifo_rd_pd; // output data register wire rd_req_next = (dat_fifo_rd_pvld_p || (dat_fifo_rd_pvld_int && !dat_fifo_rd_prdy)) ; always @( posedge nvdla_core_clk_mgated or negedge nvdla_core_rstn ) begin if ( !nvdla_core_rstn ) begin dat_fifo_rd_pvld_int <= 1'b0; end else begin dat_fifo_rd_pvld_int <= rd_req_next; end end always @( posedge nvdla_core_clk_mgated ) begin if ( (rd_popping) ) begin dat_fifo_rd_pd <= dat_fifo_rd_pd_p; end //synopsys translate_off else if ( !((rd_popping)) ) begin end else begin dat_fifo_rd_pd <= {8{`x_or_0}}; end //synopsys translate_on end // Master Clock Gating (SLCG) Enables // // plusarg for disabling this stuff: // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS reg master_clk_gating_disabled; initial master_clk_gating_disabled = $test$plusargs( "fifogen_disable_master_clk_gating" ) != 0; `endif `endif // synopsys translate_on assign nvdla_core_clk_mgated_enable = ((wr_reserving || wr_pushing || wr_popping || (dat_fifo_wr_pvld && !dat_fifo_wr_busy_int) || (dat_fifo_wr_busy_int != dat_fifo_wr_busy_next)) || (rd_pushing || rd_popping || (dat_fifo_rd_pvld_int && dat_fifo_rd_prdy)) || (wr_pushing)) `ifdef FIFOGEN_MASTER_CLK_GATING_DISABLED || 1'b1 `endif // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS || master_clk_gating_disabled `endif `endif // synopsys translate_on ; // Simulation and Emulation Overrides of wr_limit(s) // `ifdef EMU `ifdef EMU_FIFO_CFG // Emulation Global Config Override // assign wr_limit_muxed = `EMU_FIFO_CFG.NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_wr_limit_override ? `EMU_FIFO_CFG.NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_wr_limit : 6'd0; `else // No Global Override for Emulation // assign wr_limit_muxed = 6'd0; `endif // EMU_FIFO_CFG `else // !EMU `ifdef SYNTH_LEVEL1_COMPILE // No Override for GCS Compiles // assign wr_limit_muxed = 6'd0; `else `ifdef SYNTHESIS // No Override for RTL Synthesis // assign wr_limit_muxed = 6'd0; `else // RTL Simulation Plusarg Override // VCS coverage off reg wr_limit_override; reg [5:0] wr_limit_override_value; assign wr_limit_muxed = wr_limit_override ? wr_limit_override_value : 6'd0; `ifdef NV_ARCHPRO event reinit; initial begin $display("fifogen reinit initial block %m"); -> reinit; end `endif `ifdef NV_ARCHPRO always @( reinit ) begin `else initial begin `endif wr_limit_override = 0; wr_limit_override_value = 0; // to keep viva happy with dangles if ( $test$plusargs( "NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_wr_limit" ) ) begin wr_limit_override = 1; $value$plusargs( "NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_wr_limit=%d", wr_limit_override_value); end end // VCS coverage on `endif `endif `endif // // Histogram of fifo depth (from write side's perspective) // // NOTE: it will reference `SIMTOP.perfmon_enabled, so that // has to at least be defined, though not initialized. // tbgen testbenches have it already and various // ways to turn it on and off. // `ifdef PERFMON_HISTOGRAM // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS perfmon_histogram perfmon ( .clk ( nvdla_core_clk ) , .max ( {26'd0, (wr_limit_reg == 6'd0) ? 6'd32 : wr_limit_reg} ) , .curr ( {26'd0, dat_fifo_wr_count} ) ); `endif `endif // synopsys translate_on `endif // spyglass disable_block W164a W164b W116 W484 W504 `ifdef SPYGLASS `else `ifdef FV_ASSERT_ON `else // synopsys translate_off `endif `ifdef ASSERT_ON `ifdef SPYGLASS wire disable_assert_plusarg = 1'b0; `else `ifdef FV_ASSERT_ON wire disable_assert_plusarg = 1'b0; `else wire disable_assert_plusarg = $test$plusargs("DISABLE_NESS_FLOW_ASSERTIONS"); `endif `endif wire assert_enabled = 1'b1 && !disable_assert_plusarg; `endif `ifdef FV_ASSERT_ON `else // synopsys translate_on `endif `ifdef ASSERT_ON //synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS always @(assert_enabled) begin if ( assert_enabled === 1'b0 ) begin $display("Asserts are disabled for %m"); end end `endif `endif //synopsys translate_on `endif `endif // spyglass enable_block W164a W164b W116 W484 W504 //The NV_BLKBOX_SRC0 module is only present when the FIFOGEN_MODULE_SEARCH // define is set. This is to aid fifogen team search for fifogen fifo // instance and module names in a given design. `ifdef FIFOGEN_MODULE_SEARCH NV_BLKBOX_SRC0 dummy_breadcrumb_fifogen_blkbox (.Y()); `endif // spyglass enable_block W401 -- clock is not input to module // synopsys dc_script_begin // set_boundary_optimization find(design, "NV_NVDLA_PDP_WDMA_DAT_fifo_32x8") true // synopsys dc_script_end //| &Attachment -no_warn EndModulePrepend; endmodule // NV_NVDLA_PDP_WDMA_DAT_fifo_32x8 // // Flop-Based RAM // module NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_flopram_rwsa_32x8 ( clk , pwrbus_ram_pd , di , we , wa , ra , dout ); input clk; // write clock input [31 : 0] pwrbus_ram_pd; input [7:0] di; input we; input [4:0] wa; input [5:0] ra; output [7:0] dout; NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_0 (.A(pwrbus_ram_pd[0])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_1 (.A(pwrbus_ram_pd[1])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_2 (.A(pwrbus_ram_pd[2])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_3 (.A(pwrbus_ram_pd[3])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_4 (.A(pwrbus_ram_pd[4])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_5 (.A(pwrbus_ram_pd[5])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_6 (.A(pwrbus_ram_pd[6])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_7 (.A(pwrbus_ram_pd[7])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_8 (.A(pwrbus_ram_pd[8])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_9 (.A(pwrbus_ram_pd[9])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_10 (.A(pwrbus_ram_pd[10])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_11 (.A(pwrbus_ram_pd[11])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_12 (.A(pwrbus_ram_pd[12])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_13 (.A(pwrbus_ram_pd[13])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_14 (.A(pwrbus_ram_pd[14])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_15 (.A(pwrbus_ram_pd[15])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_16 (.A(pwrbus_ram_pd[16])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_17 (.A(pwrbus_ram_pd[17])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_18 (.A(pwrbus_ram_pd[18])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_19 (.A(pwrbus_ram_pd[19])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_20 (.A(pwrbus_ram_pd[20])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_21 (.A(pwrbus_ram_pd[21])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_22 (.A(pwrbus_ram_pd[22])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_23 (.A(pwrbus_ram_pd[23])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_24 (.A(pwrbus_ram_pd[24])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_25 (.A(pwrbus_ram_pd[25])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_26 (.A(pwrbus_ram_pd[26])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_27 (.A(pwrbus_ram_pd[27])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_28 (.A(pwrbus_ram_pd[28])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_29 (.A(pwrbus_ram_pd[29])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_30 (.A(pwrbus_ram_pd[30])); NV_BLKBOX_SINK UJ_BBOX2UNIT_UNUSED_pwrbus_31 (.A(pwrbus_ram_pd[31])); `ifdef EMU wire [7:0] dout_p; // we use an emulation ram here to save flops on the emulation board // so that the monstrous chip can fit :-) // reg [4:0] Wa0_vmw; reg we0_vmw; reg [7:0] Di0_vmw; always @( posedge clk ) begin Wa0_vmw <= wa; we0_vmw <= we; Di0_vmw <= di; end vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_flopram_rwsa_32x8 emu_ram ( .Wa0( Wa0_vmw ) , .we0( we0_vmw ) , .Di0( Di0_vmw ) , .Ra0( ra[4:0] ) , .Do0( dout_p ) ); assign dout = (ra == 32) ? di : dout_p; `else reg [7:0] ram_ff0; reg [7:0] ram_ff1; reg [7:0] ram_ff2; reg [7:0] ram_ff3; reg [7:0] ram_ff4; reg [7:0] ram_ff5; reg [7:0] ram_ff6; reg [7:0] ram_ff7; reg [7:0] ram_ff8; reg [7:0] ram_ff9; reg [7:0] ram_ff10; reg [7:0] ram_ff11; reg [7:0] ram_ff12; reg [7:0] ram_ff13; reg [7:0] ram_ff14; reg [7:0] ram_ff15; reg [7:0] ram_ff16; reg [7:0] ram_ff17; reg [7:0] ram_ff18; reg [7:0] ram_ff19; reg [7:0] ram_ff20; reg [7:0] ram_ff21; reg [7:0] ram_ff22; reg [7:0] ram_ff23; reg [7:0] ram_ff24; reg [7:0] ram_ff25; reg [7:0] ram_ff26; reg [7:0] ram_ff27; reg [7:0] ram_ff28; reg [7:0] ram_ff29; reg [7:0] ram_ff30; reg [7:0] ram_ff31; always @( posedge clk ) begin if ( we && wa == 5'd0 ) begin ram_ff0 <= di; end if ( we && wa == 5'd1 ) begin ram_ff1 <= di; end if ( we && wa == 5'd2 ) begin ram_ff2 <= di; end if ( we && wa == 5'd3 ) begin ram_ff3 <= di; end if ( we && wa == 5'd4 ) begin ram_ff4 <= di; end if ( we && wa == 5'd5 ) begin ram_ff5 <= di; end if ( we && wa == 5'd6 ) begin ram_ff6 <= di; end if ( we && wa == 5'd7 ) begin ram_ff7 <= di; end if ( we && wa == 5'd8 ) begin ram_ff8 <= di; end if ( we && wa == 5'd9 ) begin ram_ff9 <= di; end if ( we && wa == 5'd10 ) begin ram_ff10 <= di; end if ( we && wa == 5'd11 ) begin ram_ff11 <= di; end if ( we && wa == 5'd12 ) begin ram_ff12 <= di; end if ( we && wa == 5'd13 ) begin ram_ff13 <= di; end if ( we && wa == 5'd14 ) begin ram_ff14 <= di; end if ( we && wa == 5'd15 ) begin ram_ff15 <= di; end if ( we && wa == 5'd16 ) begin ram_ff16 <= di; end if ( we && wa == 5'd17 ) begin ram_ff17 <= di; end if ( we && wa == 5'd18 ) begin ram_ff18 <= di; end if ( we && wa == 5'd19 ) begin ram_ff19 <= di; end if ( we && wa == 5'd20 ) begin ram_ff20 <= di; end if ( we && wa == 5'd21 ) begin ram_ff21 <= di; end if ( we && wa == 5'd22 ) begin ram_ff22 <= di; end if ( we && wa == 5'd23 ) begin ram_ff23 <= di; end if ( we && wa == 5'd24 ) begin ram_ff24 <= di; end if ( we && wa == 5'd25 ) begin ram_ff25 <= di; end if ( we && wa == 5'd26 ) begin ram_ff26 <= di; end if ( we && wa == 5'd27 ) begin ram_ff27 <= di; end if ( we && wa == 5'd28 ) begin ram_ff28 <= di; end if ( we && wa == 5'd29 ) begin ram_ff29 <= di; end if ( we && wa == 5'd30 ) begin ram_ff30 <= di; end if ( we && wa == 5'd31 ) begin ram_ff31 <= di; end end reg [7:0] dout; always @(*) begin case( ra ) 6'd0: dout = ram_ff0; 6'd1: dout = ram_ff1; 6'd2: dout = ram_ff2; 6'd3: dout = ram_ff3; 6'd4: dout = ram_ff4; 6'd5: dout = ram_ff5; 6'd6: dout = ram_ff6; 6'd7: dout = ram_ff7; 6'd8: dout = ram_ff8; 6'd9: dout = ram_ff9; 6'd10: dout = ram_ff10; 6'd11: dout = ram_ff11; 6'd12: dout = ram_ff12; 6'd13: dout = ram_ff13; 6'd14: dout = ram_ff14; 6'd15: dout = ram_ff15; 6'd16: dout = ram_ff16; 6'd17: dout = ram_ff17; 6'd18: dout = ram_ff18; 6'd19: dout = ram_ff19; 6'd20: dout = ram_ff20; 6'd21: dout = ram_ff21; 6'd22: dout = ram_ff22; 6'd23: dout = ram_ff23; 6'd24: dout = ram_ff24; 6'd25: dout = ram_ff25; 6'd26: dout = ram_ff26; 6'd27: dout = ram_ff27; 6'd28: dout = ram_ff28; 6'd29: dout = ram_ff29; 6'd30: dout = ram_ff30; 6'd31: dout = ram_ff31; 6'd32: dout = di; //VCS coverage off default: dout = {8{`x_or_0}}; //VCS coverage on endcase end `endif // EMU endmodule // NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_flopram_rwsa_32x8 // emulation model of flopram guts // `ifdef EMU module vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_flopram_rwsa_32x8 ( Wa0, we0, Di0, Ra0, Do0 ); input [4:0] Wa0; input we0; input [7:0] Di0; input [4:0] Ra0; output [7:0] Do0; // Only visible during Spyglass to avoid blackboxes. `ifdef SPYGLASS_FLOPRAM assign Do0 = 8'd0; wire dummy = 1'b0 | (|Wa0) | (|we0) | (|Di0) | (|Ra0); `endif // synopsys translate_off `ifndef SYNTH_LEVEL1_COMPILE `ifndef SYNTHESIS reg [7:0] mem[31:0]; // expand mem for debug ease `ifdef EMU_EXPAND_FLOPRAM_MEM wire [7:0] Q0 = mem[0]; wire [7:0] Q1 = mem[1]; wire [7:0] Q2 = mem[2]; wire [7:0] Q3 = mem[3]; wire [7:0] Q4 = mem[4]; wire [7:0] Q5 = mem[5]; wire [7:0] Q6 = mem[6]; wire [7:0] Q7 = mem[7]; wire [7:0] Q8 = mem[8]; wire [7:0] Q9 = mem[9]; wire [7:0] Q10 = mem[10]; wire [7:0] Q11 = mem[11]; wire [7:0] Q12 = mem[12]; wire [7:0] Q13 = mem[13]; wire [7:0] Q14 = mem[14]; wire [7:0] Q15 = mem[15]; wire [7:0] Q16 = mem[16]; wire [7:0] Q17 = mem[17]; wire [7:0] Q18 = mem[18]; wire [7:0] Q19 = mem[19]; wire [7:0] Q20 = mem[20]; wire [7:0] Q21 = mem[21]; wire [7:0] Q22 = mem[22]; wire [7:0] Q23 = mem[23]; wire [7:0] Q24 = mem[24]; wire [7:0] Q25 = mem[25]; wire [7:0] Q26 = mem[26]; wire [7:0] Q27 = mem[27]; wire [7:0] Q28 = mem[28]; wire [7:0] Q29 = mem[29]; wire [7:0] Q30 = mem[30]; wire [7:0] Q31 = mem[31]; `endif // asynchronous ram writes always @(*) begin if ( we0 == 1'b1 ) begin #0.1; mem[Wa0] = Di0; end end assign Do0 = mem[Ra0]; `endif `endif // synopsys translate_on // synopsys dc_script_begin // set_dont_touch { find (design, vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_flopram_rwsa_32x8) } // set_attribute { find (design, vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_flopram_rwsa_32x8) } require_dont_touch true -type boolean // synopsys dc_script_end // g2c if { [find / -null_ok -subdesign vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_flopram_rwsa_32x8] != {} } { set_attr preserve 1 [find / -subdesign vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_flopram_rwsa_32x8] } endmodule // vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_flopram_rwsa_32x8 //vmw: Memory vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_flopram_rwsa_32x8 //vmw: Address-size 5 //vmw: Data-size 8 //vmw: Sensitivity level 1 //vmw: Ports W R //vmw: terminal we0 WriteEnable0 //vmw: terminal Wa0 address0 //vmw: terminal Di0[7:0] data0[7:0] //vmw: //vmw: terminal Ra0 address1 //vmw: terminal Do0[7:0] data1[7:0] //vmw: //qt: CELL vmw_NV_NVDLA_PDP_WDMA_DAT_fifo_32x8_flopram_rwsa_32x8 //qt: TERMINAL we0 TYPE=WE POLARITY=H PORT=1 //qt: TERMINAL Wa0[%d] TYPE=ADDRESS DIR=W BIT=%1 PORT=1 //qt: TERMINAL Di0[%d] TYPE=DATA DIR=I BIT=%1 PORT=1 //qt: //qt: TERMINAL Ra0[%d] TYPE=ADDRESS DIR=R BIT=%1 PORT=1 //qt: TERMINAL Do0[%d] TYPE=DATA DIR=O BIT=%1 PORT=1 //qt: `endif // EMU