diff options
Diffstat (limited to 'src/maker/tlv')
| -rwxr-xr-x | src/maker/tlv/clk_gate.v | 40 | ||||
| -rwxr-xr-x | src/maker/tlv/pseudo_rand.m4out.tlv | 69 | ||||
| -rwxr-xr-x | src/maker/tlv/pseudo_rand.sv | 70 | ||||
| -rwxr-xr-x | src/maker/tlv/pseudo_rand_gen.sv | 46 | ||||
| -rwxr-xr-x | src/maker/tlv/sandpiper.vh | 72 | ||||
| -rwxr-xr-x | src/maker/tlv/sandpiper_gen.vh | 4 | ||||
| -rwxr-xr-x | src/maker/tlv/sp_default.vh | 66 |
7 files changed, 0 insertions, 367 deletions
diff --git a/src/maker/tlv/clk_gate.v b/src/maker/tlv/clk_gate.v deleted file mode 100755 index 77e9186d..00000000 --- a/src/maker/tlv/clk_gate.v +++ /dev/null @@ -1,40 +0,0 @@ -/* -Copyright (c) 2015, Steven F. Hoover - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * The name of Steven F. Hoover - may not be used to endorse or promote products derived from this software - without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE -FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -`include "sp_default.vh" -/* verilator lint_off LATCH */ - -// Clock gate module used by SandPiper default project. - -module clk_gate (output gated_clk, input free_clk, func_en, pwr_en, gating_override); - wire clk_en; - reg latched_clk_en /*verilator clock_enable*/; - assign clk_en = func_en & (pwr_en | gating_override); - `TLV_BLATCH(latched_clk_en, clk_en, free_clk) - assign gated_clk = latched_clk_en & free_clk; -endmodule - diff --git a/src/maker/tlv/pseudo_rand.m4out.tlv b/src/maker/tlv/pseudo_rand.m4out.tlv deleted file mode 100755 index cb0d6149..00000000 --- a/src/maker/tlv/pseudo_rand.m4out.tlv +++ /dev/null @@ -1,69 +0,0 @@ -\m4_TLV_version 1b: tl-x.org -\SV -/* -Copyright (c) 2014, Steven F. Hoover - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * The name of Steven F. Hoover - may not be used to endorse or promote products derived from this software - without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE -FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -module pseudo_rand - #(parameter WIDTH=257) // Random vector width, to a max of 257. - (input logic clk, - input logic reset, - output logic [WIDTH-1:0] rand_vect - ); - -// Currently, this implements a Galois LFSR. -// TODO: It should be XORed with something else so it doesn't just shift. -// Using polynomials with maximal number of taps would have less regular shifting behavior. - -// Bits are numbered in the reverse of the traditional order. This puts the taps in the lower bit positions. - -// Choose optimal parameters for given WIDTH. -localparam LFSR_WIDTH = - (WIDTH <= 64) ? 64 : - (WIDTH <= 128) ? 128 : - (WIDTH <= 257) ? 257 : 0; // 257 enables a large non-power of two for replication on an irregular boundary. -// Polynomial source: http://www.eej.ulst.ac.uk/~ian/modules/EEE515/files/old_files/lfsr/lfsr_table.pdf -localparam [LFSR_WIDTH-1:0] LFSR_POLY = {{(LFSR_WIDTH-8){1'b0}}, - (LFSR_WIDTH == 64) ? 8'b00011011 : - (LFSR_WIDTH == 128) ? 8'b10000111 : - (LFSR_WIDTH == 257) ? 8'b11000101 : 8'b0}; - -bit [256:0] SEED = 257'h0_7163e168_713d5431_6684e132_5cd84848_f3048b46_76874654_0c45f864_04e4684a; - - - -\TLV - |default - @0 - $reset = reset; - @1 - $lfsr[LFSR_WIDTH-1:0] = $reset ? *SEED : {$lfsr#+1[LFSR_WIDTH-2:0], 1'b0} ^ ({LFSR_WIDTH{$lfsr#+1[LFSR_WIDTH-1]}} & *LFSR_POLY); - @2 - *rand_vect = $lfsr[WIDTH-1:0]; - -\SV - -endmodule diff --git a/src/maker/tlv/pseudo_rand.sv b/src/maker/tlv/pseudo_rand.sv deleted file mode 100755 index a9988b58..00000000 --- a/src/maker/tlv/pseudo_rand.sv +++ /dev/null @@ -1,70 +0,0 @@ -`line 2 "pseudo_rand.m4out.tlv" 0 //_\TLV_version 1b: tl-x.org, generated by SandPiper(TM) 1.11-2021/01/28-beta -`include "sp_default.vh" //_\SV -/* -Copyright (c) 2014, Steven F. Hoover - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * The name of Steven F. Hoover - may not be used to endorse or promote products derived from this software - without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE -FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -module pseudo_rand - #(parameter WIDTH=257) // Random vector width, to a max of 257. - (input logic clk, - input logic reset, - output logic [WIDTH-1:0] rand_vect - ); - -// Currently, this implements a Galois LFSR. -// TODO: It should be XORed with something else so it doesn't just shift. -// Using polynomials with maximal number of taps would have less regular shifting behavior. - -// Bits are numbered in the reverse of the traditional order. This puts the taps in the lower bit positions. - -// Choose optimal parameters for given WIDTH. -localparam LFSR_WIDTH = - (WIDTH <= 64) ? 64 : - (WIDTH <= 128) ? 128 : - (WIDTH <= 257) ? 257 : 0; // 257 enables a large non-power of two for replication on an irregular boundary. -// Polynomial source: http://www.eej.ulst.ac.uk/~ian/modules/EEE515/files/old_files/lfsr/lfsr_table.pdf -localparam [LFSR_WIDTH-1:0] LFSR_POLY = {{(LFSR_WIDTH-8){1'b0}}, - (LFSR_WIDTH == 64) ? 8'b00011011 : - (LFSR_WIDTH == 128) ? 8'b10000111 : - (LFSR_WIDTH == 257) ? 8'b11000101 : 8'b0}; - -bit [256:0] SEED = 257'h0_7163e168_713d5431_6684e132_5cd84848_f3048b46_76874654_0c45f864_04e4684a; - - - -`include "pseudo_rand_gen.sv" //_\TLV - //_|default - //_@0 - assign DEFAULT_reset_a0 = reset; - //_@1 - assign DEFAULT_lfsr_a1[LFSR_WIDTH-1:0] = DEFAULT_reset_a1 ? SEED : {DEFAULT_lfsr_a2[LFSR_WIDTH-2:0], 1'b0} ^ ({LFSR_WIDTH{DEFAULT_lfsr_a2[LFSR_WIDTH-1]}} & LFSR_POLY); - //_@2 - assign rand_vect = DEFAULT_lfsr_a2[WIDTH-1:0]; endgenerate - -//_\SV - -endmodule - diff --git a/src/maker/tlv/pseudo_rand_gen.sv b/src/maker/tlv/pseudo_rand_gen.sv deleted file mode 100755 index ec008179..00000000 --- a/src/maker/tlv/pseudo_rand_gen.sv +++ /dev/null @@ -1,46 +0,0 @@ -// Generated by SandPiper(TM) 1.11-2021/01/28-beta from Redwood EDA. -// Redwood EDA does not claim intellectual property rights to this file and provides no warranty regarding its correctness or quality. - - -`include "sandpiper_gen.vh" - - - - - -// -// Signals declared top-level. -// - -// For |default$lfsr. -logic [LFSR_WIDTH-1:0] DEFAULT_lfsr_a1, - DEFAULT_lfsr_a2; - -// For |default$reset. -logic DEFAULT_reset_a0, - DEFAULT_reset_a1; - - - -generate - - - // - // Scope: |default - // - - // For $lfsr. - always_ff @(posedge clk) DEFAULT_lfsr_a2[LFSR_WIDTH-1:0] <= DEFAULT_lfsr_a1[LFSR_WIDTH-1:0]; - - // For $reset. - always_ff @(posedge clk) DEFAULT_reset_a1 <= DEFAULT_reset_a0; - - - - -endgenerate - - - - -generate // This is awkward, but we need to go into 'generate' context in the line that `includes the declarations file. diff --git a/src/maker/tlv/sandpiper.vh b/src/maker/tlv/sandpiper.vh deleted file mode 100755 index ccba8b0e..00000000 --- a/src/maker/tlv/sandpiper.vh +++ /dev/null @@ -1,72 +0,0 @@ -/* -Copyright (c) 2015, Steven F. Hoover - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * The name of Steven F. Hoover - may not be used to endorse or promote products derived from this software - without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE -FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -// Project-independent SandPiper header file. - -`ifndef SANDPIPER_VH -`define SANDPIPER_VH - - -// Note, these have no SP prefix, so collisions are possible. - - -`ifdef WHEN - // Make sure user definition does not collide. - !!!ERROR: WHEN macro already defined -`else - `ifdef SP_PHYS - // Phys compilation disabled X-injection. - `define WHEN(valid_sig) - `else - // Inject X. - `define WHEN(valid_sig) !valid_sig ? 'x : - `endif -`endif - - -// SandPiper does not generate set/reset flops. Reset is implemented as combinational -// logic, and it is up to synthesis to infer set/reset flops when possible. -//`ifdef RESET -// // Make sure user definition does not collide. -// !!!ERROR: RESET macro already defined -//`else -// `define RESET(i, reset) ((reset) ? '0 : i) -//`endif -// -//`ifdef SET -// // Make sure user definition does not collide. -// !!!ERROR: SET macro already defined -//`else -// `define SET(i, set) ((set) ? '1 : i) -//`endif - -// Since SandPiper required use of all signals, this is useful to create a -// bogus use and keep SandPiper happy when a signal, by intent, has no uses. -`define BOGUS_USE(ignore) - -`endif // SANDPIPER_VH - diff --git a/src/maker/tlv/sandpiper_gen.vh b/src/maker/tlv/sandpiper_gen.vh deleted file mode 100755 index d063661a..00000000 --- a/src/maker/tlv/sandpiper_gen.vh +++ /dev/null @@ -1,4 +0,0 @@ -// This just verifies that sandpiper.vh has been included. -`ifndef SANDPIPER_VH - !!!ERROR: SandPiper project's sp_<proj>.vh file must include sandpiper.vh. -`endif diff --git a/src/maker/tlv/sp_default.vh b/src/maker/tlv/sp_default.vh deleted file mode 100755 index 5e74259a..00000000 --- a/src/maker/tlv/sp_default.vh +++ /dev/null @@ -1,66 +0,0 @@ -`ifndef SP_DEFAULT -`define SP_DEFAULT -/* -Copyright (c) 2015, Steven F. Hoover - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * The name of Steven F. Hoover - may not be used to endorse or promote products derived from this software - without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE -FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - - -// File included by SandPiper-generated code for the default project configuration. -`include "sandpiper.vh" - - -// Latch macros. Inject 'x in simulation for clk === 'x. - -// A-phase latch. -`ifdef SP_PHYS -`define TLV_LATCH(in, out, clk) \ -always @ (in, clk) begin \ - if (clk === 1'b1) \ - out <= in; \ - else if (clk === 1'bx) \ - out <= 'x; \ -end -`else -`define TLV_LATCH(in, out, clk) always @ (in, clk) if (clk == 1'b1) out <= in; -`endif // SP_PHYS - -// B-phase latch. -`ifdef SP_PHYS -`define TLV_BLATCH(out, in, clk) \ -always @ (in, clk) begin \ - if (!clk === 1'b1) \ - out <= in; \ - else if (!clk === 1'bx) \ - out <= 'x; \ -end -`else -`define TLV_BLATCH(out, in, clk) always @ (in, clk) if (!clk == 1'b1) out <= in; -`endif // SP_PHYS - - - -`endif // SP_DEFAULT - |