diff options
Diffstat (limited to 'techlibs/gowin/brams_map.v')
-rw-r--r-- | techlibs/gowin/brams_map.v | 550 |
1 files changed, 409 insertions, 141 deletions
diff --git a/techlibs/gowin/brams_map.v b/techlibs/gowin/brams_map.v index fbebc4af8..7ffc91bac 100644 --- a/techlibs/gowin/brams_map.v +++ b/techlibs/gowin/brams_map.v @@ -1,142 +1,410 @@ -/* Semi Dual Port (SDP) memory have the following configurations: - * Memory Config RAM(BIT) Port Mode Memory Depth Data Depth - * ----------------|---------| ----------|--------------|------------| - * B-SRAM_16K_SD1 16K 16Kx1 16,384 1 - * B-SRAM_8K_SD2 16K 8Kx2 8,192 2 - * B-SRAM_4K_SD4 16K 4Kx2 4,096 4 - */ -module \$__GW1NR_SDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN); - parameter CFG_ABITS = 10; - parameter CFG_DBITS = 16; - parameter CFG_ENABLE_A = 1; - parameter [16383:0] INIT = 16384'hx; - parameter CLKPOL2 = 1; - parameter CLKPOL3 = 1; - - 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; - - wire [31-CFG_DBITS:0] open; - - - generate if (CFG_DBITS == 1) begin - SDP #( - `include "bram_init_16.vh" - .READ_MODE(0), - .BIT_WIDTH_0(1), - .BIT_WIDTH_1(1), - .BLK_SEL(3'b000), - .RESET_MODE("SYNC") - ) _TECHMAP_REPLACE_ ( - .CLKA(CLK2), .CLKB(CLK3), - .WREA(A1EN), .OCE(1'b0), .CEA(1'b1), - .WREB(1'b0), .CEB(B1EN), - .RESETA(1'b0), .RESETB(1'b0), .BLKSEL(3'b000), - .DI({{(32-CFG_DBITS){1'b0}}, A1DATA}), - .DO({open, B1DATA}), - .ADA({A1ADDR, {(14-CFG_ABITS){1'b0}}}), - .ADB({B1ADDR, {(14-CFG_ABITS){1'b0}}}) - ); - end else if (CFG_DBITS == 2) begin - SDP #( - `include "bram_init_16.vh" - .READ_MODE(0), - .BIT_WIDTH_0(2), - .BIT_WIDTH_1(2), - .BLK_SEL(3'b000), - .RESET_MODE("SYNC") - ) _TECHMAP_REPLACE_ ( - .CLKA(CLK2), .CLKB(CLK3), - .WREA(A1EN), .OCE(1'b0), .CEA(1'b1), - .WREB(1'b0), .CEB(B1EN), - .RESETA(1'b0), .RESETB(1'b0), .BLKSEL(3'b000), - .DI({{(32-CFG_DBITS){1'b0}}, A1DATA}), - .DO({open, B1DATA}), - .ADA({A1ADDR, {(14-CFG_ABITS){1'b0}}}), - .ADB({B1ADDR, {(14-CFG_ABITS){1'b0}}}) - ); - end else if (CFG_DBITS <= 4) begin - SDP #( - `include "bram_init_16.vh" - .READ_MODE(0), - .BIT_WIDTH_0(4), - .BIT_WIDTH_1(4), - .BLK_SEL(3'b000), - .RESET_MODE("SYNC") - ) _TECHMAP_REPLACE_ ( - .CLKA(CLK2), .CLKB(CLK3), - .WREA(A1EN), .OCE(1'b0), - .WREB(1'b0), .CEB(B1EN), .CEA(1'b1), - .RESETA(1'b0), .RESETB(1'b0), .BLKSEL(3'b000), - .DI({{(32-CFG_DBITS){1'b0}}, A1DATA}), - .DO({open, B1DATA}), - .ADA({A1ADDR, {(14-CFG_ABITS){1'b0}}}), - .ADB({B1ADDR, {(14-CFG_ABITS){1'b0}}}) - ); - end else if (CFG_DBITS <= 8) begin - SDP #( - `include "bram_init_16.vh" - .READ_MODE(0), - .BIT_WIDTH_0(8), - .BIT_WIDTH_1(8), - .BLK_SEL(3'b000), - .RESET_MODE("SYNC") - ) _TECHMAP_REPLACE_ ( - .CLKA(CLK2), .CLKB(CLK3), - .WREA(A1EN), .OCE(1'b0), .CEA(1'b1), - .WREB(1'b0), .CEB(B1EN), - .RESETA(1'b0), .RESETB(1'b0), .BLKSEL(3'b000), - .DI({{(32-CFG_DBITS){1'b0}}, A1DATA}), - .DO({open, B1DATA}), - .ADA({A1ADDR, {(14-CFG_ABITS){1'b0}}}), - .ADB({B1ADDR, {(14-CFG_ABITS){1'b0}}}) - ); - end else if (CFG_DBITS <= 16) begin - SDP #( - `include "bram_init_16.vh" - .READ_MODE(0), - .BIT_WIDTH_0(16), - .BIT_WIDTH_1(16), - .BLK_SEL(3'b000), - .RESET_MODE("SYNC") - ) _TECHMAP_REPLACE_ ( - .CLKA(CLK2), .CLKB(CLK3), - .WREA(|A1EN), .OCE(1'b0), - .WREB(1'b0), .CEB(B1EN), .CEA(1'b1), - .RESETA(1'b0), .RESETB(1'b0), .BLKSEL(3'b000), - .DI({{(32-CFG_DBITS){1'b0}}, A1DATA}), - .DO({open, B1DATA}), - .ADA({A1ADDR, {(12-CFG_ABITS){1'b0}}, A1EN}), - .ADB({B1ADDR, {(14-CFG_ABITS){1'b0}}}) - ); - end else if (CFG_DBITS <= 32) begin - SDP #( - `include "bram_init_16.vh" - .READ_MODE(0), - .BIT_WIDTH_0(32), - .BIT_WIDTH_1(32), - .BLK_SEL(3'b000), - .RESET_MODE("SYNC") - ) _TECHMAP_REPLACE_ ( - .CLKA(CLK2), .CLKB(CLK3), - .WREA(|A1EN), .OCE(1'b0), - .WREB(1'b0), .CEB(B1EN), .CEA(1'b1), - .RESETA(1'b0), .RESETB(1'b0), .BLKSEL(3'b000), - .DI(A1DATA), - .DO(B1DATA), - .ADA({A1ADDR, {(10-CFG_ABITS){1'b0}}, A1EN}), - .ADB({B1ADDR, {(14-CFG_ABITS){1'b0}}}) - ); - end else begin - wire TECHMAP_FAIL = 1'b1; - end endgenerate - +`define DEF_FUNCS \ + function [255:0] init_slice_x8; \ + input integer idx; \ + integer i; \ + for (i = 0; i < 32; i = i + 1) begin \ + init_slice_x8[i*8+:8] = INIT[(idx * 32 + i) * 9+:8]; \ + end \ + endfunction \ + function [287:0] init_slice_x9; \ + input integer idx; \ + init_slice_x9 = INIT[idx * 288+:288]; \ + endfunction \ + +`define x8_width(width) (width / 9 * 8 + width % 9) +`define x8_rd_data(data) {1'bx, data[31:24], 1'bx, data[23:16], 1'bx, data[15:8], 1'bx, data[7:0]} +`define x8_wr_data(data) {data[34:27], data[25:18], data[16:9], data[7:0]} +`define wre(width, wr_en, wr_be) (width < 18 ? wr_en | wr_be[0] : wr_en) +`define addrbe(width, addr, wr_be) (width < 18 ? addr : {addr[13:4], wr_be}) + + +`define INIT(func) \ + .INIT_RAM_00(func('h00)), \ + .INIT_RAM_01(func('h01)), \ + .INIT_RAM_02(func('h02)), \ + .INIT_RAM_03(func('h03)), \ + .INIT_RAM_04(func('h04)), \ + .INIT_RAM_05(func('h05)), \ + .INIT_RAM_06(func('h06)), \ + .INIT_RAM_07(func('h07)), \ + .INIT_RAM_08(func('h08)), \ + .INIT_RAM_09(func('h09)), \ + .INIT_RAM_0A(func('h0a)), \ + .INIT_RAM_0B(func('h0b)), \ + .INIT_RAM_0C(func('h0c)), \ + .INIT_RAM_0D(func('h0d)), \ + .INIT_RAM_0E(func('h0e)), \ + .INIT_RAM_0F(func('h0f)), \ + .INIT_RAM_10(func('h10)), \ + .INIT_RAM_11(func('h11)), \ + .INIT_RAM_12(func('h12)), \ + .INIT_RAM_13(func('h13)), \ + .INIT_RAM_14(func('h14)), \ + .INIT_RAM_15(func('h15)), \ + .INIT_RAM_16(func('h16)), \ + .INIT_RAM_17(func('h17)), \ + .INIT_RAM_18(func('h18)), \ + .INIT_RAM_19(func('h19)), \ + .INIT_RAM_1A(func('h1a)), \ + .INIT_RAM_1B(func('h1b)), \ + .INIT_RAM_1C(func('h1c)), \ + .INIT_RAM_1D(func('h1d)), \ + .INIT_RAM_1E(func('h1e)), \ + .INIT_RAM_1F(func('h1f)), \ + .INIT_RAM_20(func('h20)), \ + .INIT_RAM_21(func('h21)), \ + .INIT_RAM_22(func('h22)), \ + .INIT_RAM_23(func('h23)), \ + .INIT_RAM_24(func('h24)), \ + .INIT_RAM_25(func('h25)), \ + .INIT_RAM_26(func('h26)), \ + .INIT_RAM_27(func('h27)), \ + .INIT_RAM_28(func('h28)), \ + .INIT_RAM_29(func('h29)), \ + .INIT_RAM_2A(func('h2a)), \ + .INIT_RAM_2B(func('h2b)), \ + .INIT_RAM_2C(func('h2c)), \ + .INIT_RAM_2D(func('h2d)), \ + .INIT_RAM_2E(func('h2e)), \ + .INIT_RAM_2F(func('h2f)), \ + .INIT_RAM_30(func('h30)), \ + .INIT_RAM_31(func('h31)), \ + .INIT_RAM_32(func('h32)), \ + .INIT_RAM_33(func('h33)), \ + .INIT_RAM_34(func('h34)), \ + .INIT_RAM_35(func('h35)), \ + .INIT_RAM_36(func('h36)), \ + .INIT_RAM_37(func('h37)), \ + .INIT_RAM_38(func('h38)), \ + .INIT_RAM_39(func('h39)), \ + .INIT_RAM_3A(func('h3a)), \ + .INIT_RAM_3B(func('h3b)), \ + .INIT_RAM_3C(func('h3c)), \ + .INIT_RAM_3D(func('h3d)), \ + .INIT_RAM_3E(func('h3e)), \ + .INIT_RAM_3F(func('h3f)), + +module $__GOWIN_SP_ (...); + +parameter INIT = 0; +parameter OPTION_RESET_MODE = "SYNC"; + +parameter PORT_A_WIDTH = 36; +parameter PORT_A_WR_BE_WIDTH = 4; +parameter PORT_A_OPTION_WRITE_MODE = 0; + +input PORT_A_CLK; +input PORT_A_CLK_EN; +input PORT_A_WR_EN; +input PORT_A_RD_SRST; +input PORT_A_RD_ARST; +input [13:0] PORT_A_ADDR; +input [PORT_A_WR_BE_WIDTH-1:0] PORT_A_WR_BE; +input [PORT_A_WIDTH-1:0] PORT_A_WR_DATA; +output [PORT_A_WIDTH-1:0] PORT_A_RD_DATA; + +`DEF_FUNCS + +wire RST = OPTION_RESET_MODE == "SYNC" ? PORT_A_RD_SRST : PORT_A_RD_ARST; +wire WRE = `wre(PORT_A_WIDTH, PORT_A_WR_EN, PORT_A_WR_BE); +wire [13:0] AD = `addrbe(PORT_A_WIDTH, PORT_A_ADDR, PORT_A_WR_BE); + +generate + +if (PORT_A_WIDTH < 9) begin + + wire [31:0] DI = `x8_wr_data(PORT_A_WR_DATA); + wire [31:0] DO; + + assign PORT_A_RD_DATA = `x8_rd_data(DO); + + SP #( + `INIT(init_slice_x8) + .READ_MODE(1'b0), + .WRITE_MODE(PORT_A_OPTION_WRITE_MODE), + .BIT_WIDTH(`x8_width(PORT_A_WIDTH)), + .BLK_SEL(3'b000), + .RESET_MODE(OPTION_RESET_MODE), + ) _TECHMAP_REPLACE_ ( + .BLKSEL(3'b000), + .CLK(PORT_A_CLK), + .CE(PORT_A_CLK_EN), + .WRE(WRE), + .RESET(RST), + .OCE(1'b0), + .AD(AD), + .DI(DI), + .DO(DO), + ); + +end else begin + + wire [35:0] DI = PORT_A_WR_DATA; + wire [35:0] DO; + + assign PORT_A_RD_DATA = DO; + + SPX9 #( + `INIT(init_slice_x9) + .READ_MODE(1'b0), + .WRITE_MODE(PORT_A_OPTION_WRITE_MODE), + .BIT_WIDTH(PORT_A_WIDTH), + .BLK_SEL(3'b000), + .RESET_MODE(OPTION_RESET_MODE), + ) _TECHMAP_REPLACE_ ( + .BLKSEL(3'b000), + .CLK(PORT_A_CLK), + .CE(PORT_A_CLK_EN), + .WRE(WRE), + .RESET(RST), + .OCE(1'b0), + .AD(AD), + .DI(DI), + .DO(DO), + ); + +end + +endgenerate + +endmodule + + +module $__GOWIN_DP_ (...); + +parameter INIT = 0; +parameter OPTION_RESET_MODE = "SYNC"; + +parameter PORT_A_WIDTH = 18; +parameter PORT_A_WR_BE_WIDTH = 2; +parameter PORT_A_OPTION_WRITE_MODE = 0; + +parameter PORT_B_WIDTH = 18; +parameter PORT_B_WR_BE_WIDTH = 2; +parameter PORT_B_OPTION_WRITE_MODE = 0; + +input PORT_A_CLK; +input PORT_A_CLK_EN; +input PORT_A_WR_EN; +input PORT_A_RD_SRST; +input PORT_A_RD_ARST; +input [13:0] PORT_A_ADDR; +input [PORT_A_WR_BE_WIDTH-1:0] PORT_A_WR_BE; +input [PORT_A_WIDTH-1:0] PORT_A_WR_DATA; +output [PORT_A_WIDTH-1:0] PORT_A_RD_DATA; + +input PORT_B_CLK; +input PORT_B_CLK_EN; +input PORT_B_WR_EN; +input PORT_B_RD_SRST; +input PORT_B_RD_ARST; +input [13:0] PORT_B_ADDR; +input [PORT_A_WR_BE_WIDTH-1:0] PORT_B_WR_BE; +input [PORT_A_WIDTH-1:0] PORT_B_WR_DATA; +output [PORT_A_WIDTH-1:0] PORT_B_RD_DATA; + +`DEF_FUNCS + +wire RSTA = OPTION_RESET_MODE == "SYNC" ? PORT_A_RD_SRST : PORT_A_RD_ARST; +wire RSTB = OPTION_RESET_MODE == "SYNC" ? PORT_B_RD_SRST : PORT_B_RD_ARST; +wire WREA = `wre(PORT_A_WIDTH, PORT_A_WR_EN, PORT_A_WR_BE); +wire WREB = `wre(PORT_B_WIDTH, PORT_B_WR_EN, PORT_B_WR_BE); +wire [13:0] ADA = `addrbe(PORT_A_WIDTH, PORT_A_ADDR, PORT_A_WR_BE); +wire [13:0] ADB = `addrbe(PORT_B_WIDTH, PORT_B_ADDR, PORT_B_WR_BE); + +generate + +if (PORT_A_WIDTH < 9 || PORT_B_WIDTH < 9) begin + + wire [15:0] DIA = `x8_wr_data(PORT_A_WR_DATA); + wire [15:0] DIB = `x8_wr_data(PORT_B_WR_DATA); + wire [15:0] DOA; + wire [15:0] DOB; + + assign PORT_A_RD_DATA = `x8_rd_data(DOA); + assign PORT_B_RD_DATA = `x8_rd_data(DOB); + + DP #( + `INIT(init_slice_x8) + .READ_MODE0(1'b0), + .READ_MODE1(1'b0), + .WRITE_MODE0(PORT_A_OPTION_WRITE_MODE), + .WRITE_MODE1(PORT_B_OPTION_WRITE_MODE), + .BIT_WIDTH_0(`x8_width(PORT_A_WIDTH)), + .BIT_WIDTH_1(`x8_width(PORT_B_WIDTH)), + .BLK_SEL(3'b000), + .RESET_MODE(OPTION_RESET_MODE), + ) _TECHMAP_REPLACE_ ( + .BLKSEL(3'b000), + + .CLKA(PORT_A_CLK), + .CEA(PORT_A_CLK_EN), + .WREA(WREA), + .RESETA(RSTA), + .OCEA(1'b0), + .ADA(ADA), + .DIA(DIA), + .DOA(DOA), + + .CLKB(PORT_B_CLK), + .CEB(PORT_B_CLK_EN), + .WREB(WREB), + .RESETB(RSTB), + .OCEB(1'b0), + .ADB(ADB), + .DIB(DIB), + .DOB(DOB), + ); + +end else begin + + wire [17:0] DIA = PORT_A_WR_DATA; + wire [17:0] DIB = PORT_B_WR_DATA; + wire [17:0] DOA; + wire [17:0] DOB; + + assign PORT_A_RD_DATA = DOA; + assign PORT_B_RD_DATA = DOB; + + DPX9 #( + `INIT(init_slice_x9) + .READ_MODE0(1'b0), + .READ_MODE1(1'b0), + .WRITE_MODE0(PORT_A_OPTION_WRITE_MODE), + .WRITE_MODE1(PORT_B_OPTION_WRITE_MODE), + .BIT_WIDTH_0(PORT_A_WIDTH), + .BIT_WIDTH_1(PORT_B_WIDTH), + .BLK_SEL(3'b000), + .RESET_MODE(OPTION_RESET_MODE), + ) _TECHMAP_REPLACE_ ( + .BLKSEL(3'b000), + + .CLKA(PORT_A_CLK), + .CEA(PORT_A_CLK_EN), + .WREA(WREA), + .RESETA(RSTA), + .OCEA(1'b0), + .ADA(ADA), + .DIA(DIA), + .DOA(DOA), + + .CLKB(PORT_B_CLK), + .CEB(PORT_B_CLK_EN), + .WREB(WREB), + .RESETB(RSTB), + .OCEB(1'b0), + .ADB(ADB), + .DIB(DIB), + .DOB(DOB), + ); + +end + +endgenerate + +endmodule + + +module $__GOWIN_SDP_ (...); + +parameter INIT = 0; +parameter OPTION_RESET_MODE = "SYNC"; + +parameter PORT_R_WIDTH = 18; + +parameter PORT_W_WIDTH = 18; +parameter PORT_W_WR_BE_WIDTH = 2; + +input PORT_R_CLK; +input PORT_R_CLK_EN; +input PORT_R_RD_SRST; +input PORT_R_RD_ARST; +input [13:0] PORT_R_ADDR; +output [PORT_R_WIDTH-1:0] PORT_R_RD_DATA; + +input PORT_W_CLK; +input PORT_W_CLK_EN; +input PORT_W_WR_EN; +input [13:0] PORT_W_ADDR; +input [PORT_W_WR_BE_WIDTH-1:0] PORT_W_WR_BE; +input [PORT_W_WIDTH-1:0] PORT_W_WR_DATA; + +`DEF_FUNCS + +wire RST = OPTION_RESET_MODE == "SYNC" ? PORT_R_RD_SRST : PORT_R_RD_ARST; +wire WRE = `wre(PORT_W_WIDTH, PORT_W_WR_EN, PORT_W_WR_BE); +wire [13:0] ADW = `addrbe(PORT_W_WIDTH, PORT_W_ADDR, PORT_W_WR_BE); + +generate + +if (PORT_W_WIDTH < 9 || PORT_R_WIDTH < 9) begin + + wire [31:0] DI = `x8_wr_data(PORT_W_WR_DATA); + wire [31:0] DO; + + assign PORT_R_RD_DATA = `x8_rd_data(DO); + + SDP #( + `INIT(init_slice_x8) + .READ_MODE(1'b0), + .BIT_WIDTH_0(`x8_width(PORT_W_WIDTH)), + .BIT_WIDTH_1(`x8_width(PORT_R_WIDTH)), + .BLK_SEL(3'b000), + .RESET_MODE(OPTION_RESET_MODE), + ) _TECHMAP_REPLACE_ ( + .BLKSEL(3'b000), + + .CLKA(PORT_W_CLK), + .CEA(PORT_W_CLK_EN), + .WREA(WRE), + .RESETA(1'b0), + .ADA(ADW), + .DI(DI), + + .CLKB(PORT_R_CLK), + .CEB(PORT_R_CLK_EN), + .WREB(1'b0), + .RESETB(RST), + .OCE(1'b0), + .ADB(PORT_R_ADDR), + .DO(DO), + ); + +end else begin + + wire [35:0] DI = PORT_W_WR_DATA; + wire [35:0] DO; + + assign PORT_R_RD_DATA = DO; + + SDPX9 #( + `INIT(init_slice_x9) + .READ_MODE(1'b0), + .BIT_WIDTH_0(PORT_W_WIDTH), + .BIT_WIDTH_1(PORT_R_WIDTH), + .BLK_SEL(3'b000), + .RESET_MODE(OPTION_RESET_MODE), + ) _TECHMAP_REPLACE_ ( + .BLKSEL(3'b000), + + .CLKA(PORT_W_CLK), + .CEA(PORT_W_CLK_EN), + .WREA(WRE), + .RESETA(1'b0), + .ADA(ADW), + .DI(DI), + + .CLKB(PORT_R_CLK), + .CEB(PORT_R_CLK_EN), + .WREB(1'b0), + .RESETB(RST), + .OCE(1'b0), + .ADB(PORT_R_ADDR), + .DO(DO), + ); + +end + +endgenerate + endmodule |