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authorMartin Braun <martin.braun@ettus.com>2014-10-07 11:25:20 +0200
committerMartin Braun <martin.braun@ettus.com>2014-10-07 11:25:20 +0200
commitfd3e84941de463fa1a7ebab0a69515b4bf2614cd (patch)
tree3fa721a13d41d2c0451d663a59a220a38fd5e614 /fpga/usrp2/control_lib/ram_2port_mixed_width.v
parent3b66804e41891e358c790b453a7a59ec7462dba4 (diff)
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Removed copy of FPGA source files.
Diffstat (limited to 'fpga/usrp2/control_lib/ram_2port_mixed_width.v')
-rw-r--r--fpga/usrp2/control_lib/ram_2port_mixed_width.v137
1 files changed, 0 insertions, 137 deletions
diff --git a/fpga/usrp2/control_lib/ram_2port_mixed_width.v b/fpga/usrp2/control_lib/ram_2port_mixed_width.v
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--- a/fpga/usrp2/control_lib/ram_2port_mixed_width.v
+++ /dev/null
@@ -1,137 +0,0 @@
-//
-// Copyright 2011 Ettus Research LLC
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
-//
-
-
-module ram_2port_mixed_width
- (input clk16,
- input en16,
- input we16,
- input [10:0] addr16,
- input [15:0] di16,
- output [15:0] do16,
- input clk32,
- input en32,
- input we32,
- input [9:0] addr32,
- input [31:0] di32,
- output [31:0] do32);
-
- wire en32a = en32 & ~addr32[9];
- wire en32b = en32 & addr32[9];
- wire en16a = en16 & ~addr16[10];
- wire en16b = en16 & addr16[10];
-
- wire [31:0] do32a, do32b;
- wire [15:0] do16a, do16b;
-
- assign do32 = addr32[9] ? do32b : do32a;
- assign do16 = addr16[10] ? do16b : do16a;
-
- RAMB16BWE_S36_S18 #(.INIT_A(36'h000000000),
- .INIT_B(18'h00000),
- .SIM_COLLISION_CHECK("ALL"), // "NONE", "WARNING_ONLY", "GENERATE_X_ONLY", "ALL"
- .SRVAL_A(36'h000000000), // Port A output value upon SSR assertion
- .SRVAL_B(18'h00000), // Port B output value upon SSR assertion
- .WRITE_MODE_A("WRITE_FIRST"), // WRITE_FIRST, READ_FIRST or NO_CHANGE
- .WRITE_MODE_B("WRITE_FIRST") // WRITE_FIRST, READ_FIRST or NO_CHANGE
- )
- RAMB16BWE_S36_S18_0 (.DOA(do32a), // Port A 32-bit Data Output
- .DOB(do16a), // Port B 16-bit Data Output
- .DOPA(), // Port A 4-bit Parity Output
- .DOPB(), // Port B 2-bit Parity Output
- .ADDRA(addr32[8:0]), // Port A 9-bit Address Input
- .ADDRB(addr16[9:0]), // Port B 10-bit Address Input
- .CLKA(clk32), // Port A 1-bit Clock
- .CLKB(clk16), // Port B 1-bit Clock
- .DIA(di32), // Port A 32-bit Data Input
- .DIB(di16), // Port B 16-bit Data Input
- .DIPA(0), // Port A 4-bit parity Input
- .DIPB(0), // Port-B 2-bit parity Input
- .ENA(en32a), // Port A 1-bit RAM Enable Input
- .ENB(en16a), // Port B 1-bit RAM Enable Input
- .SSRA(0), // Port A 1-bit Synchronous Set/Reset Input
- .SSRB(0), // Port B 1-bit Synchronous Set/Reset Input
- .WEA({4{we32}}), // Port A 4-bit Write Enable Input
- .WEB({2{we16}}) // Port B 2-bit Write Enable Input
- );
-
- RAMB16BWE_S36_S18 #(.INIT_A(36'h000000000),
- .INIT_B(18'h00000),
- .SIM_COLLISION_CHECK("ALL"), // "NONE", "WARNING_ONLY", "GENERATE_X_ONLY", "ALL"
- .SRVAL_A(36'h000000000), // Port A output value upon SSR assertion
- .SRVAL_B(18'h00000), // Port B output value upon SSR assertion
- .WRITE_MODE_A("WRITE_FIRST"), // WRITE_FIRST, READ_FIRST or NO_CHANGE
- .WRITE_MODE_B("WRITE_FIRST") // WRITE_FIRST, READ_FIRST or NO_CHANGE
- )
- RAMB16BWE_S36_S18_1 (.DOA(do32b), // Port A 32-bit Data Output
- .DOB(do16b), // Port B 16-bit Data Output
- .DOPA(), // Port A 4-bit Parity Output
- .DOPB(), // Port B 2-bit Parity Output
- .ADDRA(addr32[8:0]), // Port A 9-bit Address Input
- .ADDRB(addr16[9:0]), // Port B 10-bit Address Input
- .CLKA(clk32), // Port A 1-bit Clock
- .CLKB(clk16), // Port B 1-bit Clock
- .DIA(di32), // Port A 32-bit Data Input
- .DIB(di16), // Port B 16-bit Data Input
- .DIPA(0), // Port A 4-bit parity Input
- .DIPB(0), // Port-B 2-bit parity Input
- .ENA(en32b), // Port A 1-bit RAM Enable Input
- .ENB(en16b), // Port B 1-bit RAM Enable Input
- .SSRA(0), // Port A 1-bit Synchronous Set/Reset Input
- .SSRB(0), // Port B 1-bit Synchronous Set/Reset Input
- .WEA({4{we32}}), // Port A 4-bit Write Enable Input
- .WEB({2{we16}}) // Port B 2-bit Write Enable Input
- );
-
-endmodule // ram_2port_mixed_width
-
-
-
-
-// ISE 10.1.03 chokes on the following
-
-/*
-
- reg [31:0] ram [(1<<AWIDTH)-1:0];
- integer i;
- initial
- for(i=0;i<512;i=i+1)
- ram[i] <= 32'b0;
-
- always @(posedge clk16)
- if (en16)
- begin
- if (we16)
- if(addr16[0])
- ram[addr16[10:1]][15:0] <= di16;
- else
- ram[addr16[10:1]][31:16] <= di16;
- do16 <= addr16[0] ? ram[addr16[10:1]][15:0] : ram[addr16[10:1]][31:16];
- end
-
- always @(posedge clk32)
- if (en32)
- begin
- if (we32)
- ram[addr32] <= di32;
- do32 <= ram[addr32];
- end
-
-endmodule // ram_2port_mixed_width
-
-
- */