diff options
Diffstat (limited to 'techlibs/xilinx/xc6s_brams_map.v')
| -rw-r--r-- | techlibs/xilinx/xc6s_brams_map.v | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/techlibs/xilinx/xc6s_brams_map.v b/techlibs/xilinx/xc6s_brams_map.v new file mode 100644 index 000000000..c9b33af42 --- /dev/null +++ b/techlibs/xilinx/xc6s_brams_map.v @@ -0,0 +1,255 @@ +module \$__XILINX_RAMB8BWER_SDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN); + parameter CLKPOL2 = 1; + parameter CLKPOL3 = 1; + parameter [9215:0] INIT = 9216'bx; + + input CLK2; + input CLK3; + + input [7:0] A1ADDR; + output [35:0] A1DATA; + input A1EN; + + input [7:0] B1ADDR; + input [35:0] B1DATA; + input [3:0] B1EN; + + wire [12:0] A1ADDR_13 = {A1ADDR, 5'b0}; + wire [12:0] B1ADDR_13 = {B1ADDR, 5'b0}; + + wire [3:0] DIP, DOP; + wire [31:0] DI, DO; + + assign A1DATA = { DOP[3], DO[31:24], DOP[2], DO[23:16], DOP[1], DO[15: 8], DOP[0], DO[ 7: 0] }; + assign { DIP[3], DI[31:24], DIP[2], DI[23:16], DIP[1], DI[15: 8], DIP[0], DI[ 7: 0] } = B1DATA; + + RAMB8BWER #( + .RAM_MODE("SDP"), + .DATA_WIDTH_A(36), + .DATA_WIDTH_B(36), + .WRITE_MODE_A("READ_FIRST"), + .WRITE_MODE_B("READ_FIRST"), + `include "brams_init_9.vh" + ) _TECHMAP_REPLACE_ ( + .DOBDO(DO[31:16]), + .DOADO(DO[15:0]), + .DOPBDOP(DOP[3:2]), + .DOPADOP(DOP[1:0]), + .DIBDI(DI[31:16]), + .DIADI(DI[15:0]), + .DIPBDIP(DIP[3:2]), + .DIPADIP(DIP[1:0]), + .WEBWEU(B1EN[3:2]), + .WEAWEL(B1EN[1:0]), + + .ADDRAWRADDR(B1ADDR_13), + .CLKAWRCLK(CLK3 ^ !CLKPOL3), + .ENAWREN(|1), + .REGCEA(|0), + .RSTA(|0), + + .ADDRBRDADDR(A1ADDR_13), + .CLKBRDCLK(CLK2 ^ !CLKPOL2), + .ENBRDEN(A1EN), + .REGCEBREGCE(|1), + .RSTB(|0) + ); +endmodule + +// ------------------------------------------------------------------------ + +module \$__XILINX_RAMB16BWER_TDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN); + parameter CFG_ABITS = 9; + parameter CFG_DBITS = 36; + parameter CFG_ENABLE_B = 4; + + parameter CLKPOL2 = 1; + parameter CLKPOL3 = 1; + parameter [18431:0] INIT = 18432'bx; + + input CLK2; + input CLK3; + + input [CFG_ABITS-1:0] A1ADDR; + output [CFG_DBITS-1:0] A1DATA; + input A1EN; + + input [CFG_ABITS-1:0] B1ADDR; + input [CFG_DBITS-1:0] B1DATA; + input [CFG_ENABLE_B-1:0] B1EN; + + wire [13:0] A1ADDR_14 = A1ADDR << (14 - CFG_ABITS); + wire [13:0] B1ADDR_14 = B1ADDR << (14 - CFG_ABITS); + wire [3:0] B1EN_4 = {4{B1EN}}; + + wire [3:0] DIP, DOP; + wire [31:0] DI, DO; + + wire [31:0] DOB; + wire [3:0] DOPB; + + assign A1DATA = { DOP[3], DO[31:24], DOP[2], DO[23:16], DOP[1], DO[15: 8], DOP[0], DO[ 7: 0] }; + assign { DIP[3], DI[31:24], DIP[2], DI[23:16], DIP[1], DI[15: 8], DIP[0], DI[ 7: 0] } = B1DATA; + + generate if (CFG_DBITS > 8) begin + RAMB16BWER #( + .DATA_WIDTH_A(CFG_DBITS), + .DATA_WIDTH_B(CFG_DBITS), + .WRITE_MODE_A("READ_FIRST"), + .WRITE_MODE_B("READ_FIRST"), + `include "brams_init_18.vh" + ) _TECHMAP_REPLACE_ ( + .DIA(32'd0), + .DIPA(4'd0), + .DOA(DO[31:0]), + .DOPA(DOP[3:0]), + .ADDRA(A1ADDR_14), + .CLKA(CLK2 ^ !CLKPOL2), + .ENA(A1EN), + .REGCEA(|1), + .RSTA(|0), + .WEA(4'b0), + + .DIB(DI), + .DIPB(DIP), + .DOB(DOB), + .DOPB(DOPB), + .ADDRB(B1ADDR_14), + .CLKB(CLK3 ^ !CLKPOL3), + .ENB(|1), + .REGCEB(|0), + .RSTB(|0), + .WEB(B1EN_4) + ); + end else begin + RAMB16BWER #( + .DATA_WIDTH_A(CFG_DBITS), + .DATA_WIDTH_B(CFG_DBITS), + .WRITE_MODE_A("READ_FIRST"), + .WRITE_MODE_B("READ_FIRST"), + `include "brams_init_16.vh" + ) _TECHMAP_REPLACE_ ( + .DIA(32'd0), + .DIPA(4'd0), + .DOA(DO[31:0]), + .DOPA(DOP[3:0]), + .ADDRA(A1ADDR_14), + .CLKA(CLK2 ^ !CLKPOL2), + .ENA(A1EN), + .REGCEA(|1), + .RSTA(|0), + .WEA(4'b0), + + .DIB(DI), + .DIPB(DIP), + .DOB(DOB), + .DOPB(DOPB), + .ADDRB(B1ADDR_14), + .CLKB(CLK3 ^ !CLKPOL3), + .ENB(|1), + .REGCEB(|0), + .RSTB(|0), + .WEB(B1EN_4) + ); + end endgenerate +endmodule + +// ------------------------------------------------------------------------ + +module \$__XILINX_RAMB8BWER_TDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN); + parameter CFG_ABITS = 9; + parameter CFG_DBITS = 18; + parameter CFG_ENABLE_B = 2; + + parameter CLKPOL2 = 1; + parameter CLKPOL3 = 1; + parameter [9215:0] INIT = 9216'bx; + + input CLK2; + input CLK3; + + input [CFG_ABITS-1:0] A1ADDR; + output [CFG_DBITS-1:0] A1DATA; + input A1EN; + + input [CFG_ABITS-1:0] B1ADDR; + input [CFG_DBITS-1:0] B1DATA; + input [CFG_ENABLE_B-1:0] B1EN; + + wire [12:0] A1ADDR_13 = A1ADDR << (13 - CFG_ABITS); + wire [12:0] B1ADDR_13 = B1ADDR << (13 - CFG_ABITS); + wire [1:0] B1EN_2 = {2{B1EN}}; + + wire [1:0] DIP, DOP; + wire [15:0] DI, DO; + + wire [15:0] DOBDO; + wire [1:0] DOPBDOP; + + assign A1DATA = { DOP[1], DO[15: 8], DOP[0], DO[ 7: 0] }; + assign { DIP[1], DI[15: 8], DIP[0], DI[ 7: 0] } = B1DATA; + + generate if (CFG_DBITS > 8) begin + RAMB8BWER #( + .RAM_MODE("TDP"), + .DATA_WIDTH_A(CFG_DBITS), + .DATA_WIDTH_B(CFG_DBITS), + .WRITE_MODE_A("READ_FIRST"), + .WRITE_MODE_B("READ_FIRST"), + `include "brams_init_9.vh" + ) _TECHMAP_REPLACE_ ( + .DIADI(16'b0), + .DIPADIP(2'b0), + .DOADO(DO), + .DOPADOP(DOP), + .ADDRAWRADDR(A1ADDR_13), + .CLKAWRCLK(CLK2 ^ !CLKPOL2), + .ENAWREN(A1EN), + .REGCEA(|1), + .RSTA(|0), + .WEAWEL(2'b0), + + .DIBDI(DI), + .DIPBDIP(DIP), + .DOBDO(DOBDO), + .DOPBDOP(DOPBDOP), + .ADDRBRDADDR(B1ADDR_13), + .CLKBRDCLK(CLK3 ^ !CLKPOL3), + .ENBRDEN(|1), + .REGCEBREGCE(|0), + .RSTB(|0), + .WEBWEU(B1EN_2) + ); + end else begin + RAMB8BWER #( + .RAM_MODE("TDP"), + .DATA_WIDTH_A(CFG_DBITS), + .DATA_WIDTH_B(CFG_DBITS), + .WRITE_MODE_A("READ_FIRST"), + .WRITE_MODE_B("READ_FIRST"), + `include "brams_init_8.vh" + ) _TECHMAP_REPLACE_ ( + .DIADI(16'b0), + .DIPADIP(2'b0), + .DOADO(DO), + .DOPADOP(DOP), + .ADDRAWRADDR(A1ADDR_13), + .CLKAWRCLK(CLK2 ^ !CLKPOL2), + .ENAWREN(A1EN), + .REGCEA(|1), + .RSTA(|0), + .WEAWEL(2'b0), + + .DIBDI(DI), + .DIPBDIP(DIP), + .DOBDO(DOBDO), + .DOPBDOP(DOPBDOP), + .ADDRBRDADDR(B1ADDR_13), + .CLKBRDCLK(CLK3 ^ !CLKPOL3), + .ENBRDEN(|1), + .REGCEBREGCE(|0), + .RSTB(|0), + .WEBWEU(B1EN_2) + ); + end endgenerate +endmodule |