From: Miodrag Milanovic Date: Sun, 4 Aug 2019 09:46:36 +0000 (+0200) Subject: Added bram support X-Git-Tag: working-ls180~1116^2~10 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cf96f41c6d9c405ddc039a8d0629731924b774ed;p=yosys.git Added bram support --- diff --git a/techlibs/efinix/Makefile.inc b/techlibs/efinix/Makefile.inc index 82dfa3cd8..d0593baec 100644 --- a/techlibs/efinix/Makefile.inc +++ b/techlibs/efinix/Makefile.inc @@ -1,7 +1,10 @@ OBJS += techlibs/efinix/synth_efinix.o OBJS += techlibs/efinix/efinix_gbuf.o +OBJS += techlibs/efinix/efinix_determine_init.o $(eval $(call add_share_file,share/efinix,techlibs/efinix/cells_map.v)) $(eval $(call add_share_file,share/efinix,techlibs/efinix/arith_map.v)) $(eval $(call add_share_file,share/efinix,techlibs/efinix/cells_sim.v)) +$(eval $(call add_share_file,share/efinix,techlibs/efinix/brams_map.v)) +$(eval $(call add_share_file,share/efinix,techlibs/efinix/bram.txt)) \ No newline at end of file diff --git a/techlibs/efinix/bram.txt b/techlibs/efinix/bram.txt new file mode 100644 index 000000000..0b3fd9308 --- /dev/null +++ b/techlibs/efinix/bram.txt @@ -0,0 +1,32 @@ +bram $__EFINIX_5K + init 1 + + abits 8 @a8d16 + dbits 16 @a8d16 + abits 9 @a9d8 + dbits 8 @a9d8 + abits 10 @a10d4 + dbits 4 @a10d4 + abits 11 @a11d2 + dbits 2 @a11d2 + abits 12 @a12d1 + dbits 1 @a12d1 + abits 8 @a8d20 + dbits 20 @a8d20 + abits 9 @a9d10 + dbits 10 @a9d10 + + groups 2 + ports 1 1 + wrmode 1 0 + enable 1 1 + transp 0 2 + clocks 2 3 + clkpol 2 3 +endbram + +match $__EFINIX_5K + min bits 256 + min efficiency 5 + shuffle_enable B +endmatch diff --git a/techlibs/efinix/brams_map.v b/techlibs/efinix/brams_map.v new file mode 100644 index 000000000..9ef01d026 --- /dev/null +++ b/techlibs/efinix/brams_map.v @@ -0,0 +1,65 @@ +module \$__EFINIX_5K (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN); + parameter CFG_ABITS = 8; + parameter CFG_DBITS = 20; + parameter CFG_ENABLE_A = 2; + + parameter CLKPOL2 = 1; + parameter CLKPOL3 = 1; + parameter [5119:0] INIT = 5119'bx; + parameter TRANSP2 = 0; + + input CLK2; + input CLK3; + + input [CFG_ABITS-1:0] A1ADDR; + input [CFG_DBITS-1:0] A1DATA; + input [CFG_ENABLE_A-1:0] A1EN; + + input [CFG_ABITS-1:0] B1ADDR; + output [CFG_DBITS-1:0] B1DATA; + input B1EN; + + localparam WRITEMODE_A = TRANSP2 ? "WRITE_FIRST" : "READ_FIRST"; + + EFX_RAM_5K #( + .READ_WIDTH(20), + .WRITE_WIDTH(20), + .OUTPUT_REG(1'b0), + .RCLK_POLARITY(1'b1), + .RE_POLARITY(1'b1), + .WCLK_POLARITY(1'b1), + .WE_POLARITY(1'b1), + .WCLKE_POLARITY(1'b1), + .WRITE_MODE(WRITEMODE_A), + .INIT_0(INIT[ 0*256 +: 256]), + .INIT_1(INIT[ 1*256 +: 256]), + .INIT_2(INIT[ 2*256 +: 256]), + .INIT_3(INIT[ 3*256 +: 256]), + .INIT_4(INIT[ 4*256 +: 256]), + .INIT_5(INIT[ 5*256 +: 256]), + .INIT_6(INIT[ 6*256 +: 256]), + .INIT_7(INIT[ 7*256 +: 256]), + .INIT_8(INIT[ 8*256 +: 256]), + .INIT_9(INIT[ 9*256 +: 256]), + .INIT_A(INIT[10*256 +: 256]), + .INIT_B(INIT[11*256 +: 256]), + .INIT_C(INIT[12*256 +: 256]), + .INIT_D(INIT[13*256 +: 256]), + .INIT_E(INIT[14*256 +: 256]), + .INIT_F(INIT[15*256 +: 256]), + .INIT_10(INIT[16*256 +: 256]), + .INIT_11(INIT[17*256 +: 256]), + .INIT_12(INIT[18*256 +: 256]), + .INIT_13(INIT[19*256 +: 256]) + ) _TECHMAP_REPLACE_ ( + .WDATA(A1DATA), + .WADDR(A1ADDR), + .WE(A1EN), + .WCLK(CLK2), + .WCLKE(1'b1), + .RDATA(B1DATA), + .RADDR(B1ADDR), + .RE(B1EN), + .RCLK(CLK3) + ); +endmodule diff --git a/techlibs/efinix/cells_sim.v b/techlibs/efinix/cells_sim.v index 2cbf8ae4b..8c8f6afaa 100644 --- a/techlibs/efinix/cells_sim.v +++ b/techlibs/efinix/cells_sim.v @@ -35,10 +35,73 @@ module EFX_FF( parameter D_POLARITY = 1; endmodule -module EFX_GBUFCE ( +module EFX_GBUFCE( input CE, input I, output O ); parameter CE_POLARITY = 1'b1; endmodule + +module EFX_RAM_5K( + input [WRITE_WIDTH-1:0] WDATA, + input [WRITE_ADDR_WIDTH-1:0] WADDR, + input WE, + input WCLK, + input WCLKE, + output [READ_WIDTH-1:0] RDATA, + input [READ_ADDR_WIDTH-1:0] RADDR, + input RE, + input RCLK +); + parameter READ_WIDTH = 20; + parameter WRITE_WIDTH = 20; + parameter OUTPUT_REG = 1'b0; + parameter RCLK_POLARITY = 1'b1; + parameter RE_POLARITY = 1'b1; + parameter WCLK_POLARITY = 1'b1; + parameter WE_POLARITY = 1'b1; + parameter WCLKE_POLARITY = 1'b1; + parameter WRITE_MODE = "READ_FIRST"; + parameter INIT_0 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_4 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_5 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_6 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_7 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_8 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_9 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_A = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_B = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_C = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_D = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_E = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_10 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_11 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_12 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_13 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + + localparam READ_ADDR_WIDTH = + (READ_WIDTH == 16) ? 8 : // 256x16 + (READ_WIDTH == 8) ? 9 : // 512x8 + (READ_WIDTH == 4) ? 10 : // 1024x4 + (READ_WIDTH == 2) ? 11 : // 2048x2 + (READ_WIDTH == 1) ? 12 : // 4096x1 + (READ_WIDTH == 20) ? 8 : // 256x20 + (READ_WIDTH == 10) ? 9 : // 512x10 + (READ_WIDTH == 5) ? 10 : -1; // 1024x5 + + localparam WRITE_ADDR_WIDTH = + (WRITE_WIDTH == 16) ? 8 : // 256x16 + (WRITE_WIDTH == 8) ? 9 : // 512x8 + (WRITE_WIDTH == 4) ? 10 : // 1024x4 + (WRITE_WIDTH == 2) ? 11 : // 2048x2 + (WRITE_WIDTH == 1) ? 12 : // 4096x1 + (WRITE_WIDTH == 20) ? 8 : // 256x20 + (WRITE_WIDTH == 10) ? 9 : // 512x10 + (WRITE_WIDTH == 5) ? 10 : -1; // 1024x5 + +endmodule \ No newline at end of file diff --git a/techlibs/efinix/efinix_determine_init.cc b/techlibs/efinix/efinix_determine_init.cc new file mode 100644 index 000000000..54da703ff --- /dev/null +++ b/techlibs/efinix/efinix_determine_init.cc @@ -0,0 +1,89 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2018 Icenowy Zheng + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include "kernel/yosys.h" +#include "kernel/sigtools.h" + +USING_YOSYS_NAMESPACE +PRIVATE_NAMESPACE_BEGIN + +struct EfinixDetermineInitPass : public Pass { + EfinixDetermineInitPass() : Pass("efinix_determine_init", "Efinix: Determine the init value of cells") { } + void help() YS_OVERRIDE + { + log("\n"); + log(" efinix_determine_init [selection]\n"); + log("\n"); + log("Determine the init value of cells that doesn't allow unknown init value.\n"); + log("\n"); + } + + Const determine_init(Const init) + { + for (int i = 0; i < GetSize(init); i++) { + if (init[i] != State::S0 && init[i] != State::S1) + init[i] = State::S0; + } + + return init; + } + + void execute(std::vector args, RTLIL::Design *design) YS_OVERRIDE + { + log_header(design, "Executing EFINIX_DETERMINE_INIT pass (determine init value for cells).\n"); + + extra_args(args, args.size(), design); + + int cnt = 0; + for (auto module : design->selected_modules()) + { + for (auto cell : module->selected_cells()) + { + if (cell->type == "\\EFX_RAM_5K") + { + cell->setParam("\\INIT_0", determine_init(cell->getParam("\\INIT_0"))); + cell->setParam("\\INIT_1", determine_init(cell->getParam("\\INIT_1"))); + cell->setParam("\\INIT_2", determine_init(cell->getParam("\\INIT_2"))); + cell->setParam("\\INIT_3", determine_init(cell->getParam("\\INIT_3"))); + cell->setParam("\\INIT_4", determine_init(cell->getParam("\\INIT_4"))); + cell->setParam("\\INIT_5", determine_init(cell->getParam("\\INIT_5"))); + cell->setParam("\\INIT_6", determine_init(cell->getParam("\\INIT_6"))); + cell->setParam("\\INIT_7", determine_init(cell->getParam("\\INIT_7"))); + cell->setParam("\\INIT_8", determine_init(cell->getParam("\\INIT_8"))); + cell->setParam("\\INIT_9", determine_init(cell->getParam("\\INIT_9"))); + cell->setParam("\\INIT_A", determine_init(cell->getParam("\\INIT_A"))); + cell->setParam("\\INIT_B", determine_init(cell->getParam("\\INIT_B"))); + cell->setParam("\\INIT_C", determine_init(cell->getParam("\\INIT_C"))); + cell->setParam("\\INIT_D", determine_init(cell->getParam("\\INIT_D"))); + cell->setParam("\\INIT_E", determine_init(cell->getParam("\\INIT_E"))); + cell->setParam("\\INIT_F", determine_init(cell->getParam("\\INIT_F"))); + cell->setParam("\\INIT_10", determine_init(cell->getParam("\\INIT_10"))); + cell->setParam("\\INIT_11", determine_init(cell->getParam("\\INIT_11"))); + cell->setParam("\\INIT_12", determine_init(cell->getParam("\\INIT_12"))); + cell->setParam("\\INIT_13", determine_init(cell->getParam("\\INIT_13"))); + + cnt++; + } + } + } + log_header(design, "Updated %d cells with determined init value.\n", cnt); + } +} EfinixDetermineInitPass; + +PRIVATE_NAMESPACE_END diff --git a/techlibs/efinix/synth_efinix.cc b/techlibs/efinix/synth_efinix.cc index 3f17bafa3..000a17310 100644 --- a/techlibs/efinix/synth_efinix.cc +++ b/techlibs/efinix/synth_efinix.cc @@ -150,6 +150,13 @@ struct SynthEfinixPass : public ScriptPass run("synth -run coarse"); } + if (check_label("map_bram", "(skip if -nobram)")) + { + run("memory_bram -rules +/efinix/bram.txt"); + run("techmap -map +/efinix/brams_map.v"); + run("efinix_determine_init"); + } + if (check_label("fine")) { run("opt -fast -mux_undef -undriven -fine");