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ecp5: Adding BRAM maps for all size options 

Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2018-10-10 17:18:17 +01:00
parent 983fb7ff88
commit bdfead8c64
1 changed files with 64 additions and 1 deletions
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65
techlibs/ecp5/brams_map.v
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@ -24,7 +24,6 @@ module \$__ECP5_DP16KD (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN);
localparam WRITEMODE_A = TRANSP2 ? "WRITETHROUGH" : "NORMAL";
generate if (CFG_DBITS == 1) begin
DP16KD #(
`include "bram_init_1_2_4.vh"
@ -41,6 +40,70 @@ module \$__ECP5_DP16KD (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN);
.WEB(1'b0), .CEB(B1EN), .OCEB(1'b1),
.RSTA(1'b0), .RSTB(1'b0)
);
end else if (CFG_DBITS == 2) begin
DP16KD #(
`include "bram_init_1_2_4.vh"
.DATA_WIDTH_A(2),
.DATA_WIDTH_B(2),
.CLKAMUX(CLKAMUX),
.CLKBMUX(CLKBMUX),
.WRITEMODE_A(WRITEMODE_A),
.GSR("DISABLED")
) _TECHMAP_REPLACE_ (
`include "bram_conn_2.vh"
.CLKA(CLK2), .CLKB(CLK3),
.WEA(1'b1), .CEA(|A1EN), .OCEA(1'b1),
.WEB(1'b0), .CEB(B1EN), .OCEB(1'b1),
.RSTA(1'b0), .RSTB(1'b0)
);
end else if (CFG_DBITS <= 4) begin
DP16KD #(
`include "bram_init_1_2_4.vh"
.DATA_WIDTH_A(4),
.DATA_WIDTH_B(4),
.CLKAMUX(CLKAMUX),
.CLKBMUX(CLKBMUX),
.WRITEMODE_A(WRITEMODE_A),
.GSR("DISABLED")
) _TECHMAP_REPLACE_ (
`include "bram_conn_4.vh"
.CLKA(CLK2), .CLKB(CLK3),
.WEA(1'b1), .CEA(|A1EN), .OCEA(1'b1),
.WEB(1'b0), .CEB(B1EN), .OCEB(1'b1),
.RSTA(1'b0), .RSTB(1'b0)
);
end else if (CFG_DBITS <= 9) begin
DP16KD #(
`include "bram_init_9_18_36.vh"
.DATA_WIDTH_A(9),
.DATA_WIDTH_B(9),
.CLKAMUX(CLKAMUX),
.CLKBMUX(CLKBMUX),
.WRITEMODE_A(WRITEMODE_A),
.GSR("DISABLED")
) _TECHMAP_REPLACE_ (
`include "bram_conn_9.vh"
.CLKA(CLK2), .CLKB(CLK3),
.WEA(1'b1), .CEA(|A1EN), .OCEA(1'b1),
.WEB(1'b0), .CEB(B1EN), .OCEB(1'b1),
.RSTA(1'b0), .RSTB(1'b0)
);
end else if (CFG_DBITS <= 18) begin
DP16KD #(
`include "bram_init_9_18_36.vh"
.DATA_WIDTH_A(18),
.DATA_WIDTH_B(18),
.CLKAMUX(CLKAMUX),
.CLKBMUX(CLKBMUX),
.WRITEMODE_A(WRITEMODE_A),
.GSR("DISABLED")
) _TECHMAP_REPLACE_ (
`include "bram_conn_18.vh"
.CLKA(CLK2), .CLKB(CLK3),
.WEA(1'b1), .CEA(|A1EN), .OCEA(1'b1),
.WEB(1'b0), .CEB(B1EN), .OCEB(1'b1),
.RSTA(1'b0), .RSTB(1'b0)
);
end else begin
wire TECHMAP_FAIL = 1'b1;
end endgenerate