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Added bram support

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This commit is contained in:
Miodrag Milanovic 2019-08-04 11:46:36 +02:00
parent 6e210f26fa
commit cf96f41c6d
6 changed files with 260 additions and 1 deletions
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65
techlibs/efinix/brams_map.v Normal file
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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