diff options
Diffstat (limited to 'fpga/usrp2/control_lib/wb_ram_block.v')
-rw-r--r-- | fpga/usrp2/control_lib/wb_ram_block.v | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/fpga/usrp2/control_lib/wb_ram_block.v b/fpga/usrp2/control_lib/wb_ram_block.v deleted file mode 100644 index da6c610d3..000000000 --- a/fpga/usrp2/control_lib/wb_ram_block.v +++ /dev/null @@ -1,53 +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/>. -// - - - -// Since this is a block ram, there are no byte-selects and there is a 1-cycle read latency -// These have to be a multiple of 512 lines (2K) long - -module wb_ram_block - #(parameter AWIDTH=9) - (input clk_i, - input stb_i, - input we_i, - input [AWIDTH-1:0] adr_i, - input [31:0] dat_i, - output reg [31:0] dat_o, - output ack_o); - - reg [31:0] distram [0:1<<(AWIDTH-1)]; - - always @(posedge clk_i) - begin - if(stb_i & we_i) - distram[adr_i] <= dat_i; - dat_o <= distram[adr_i]; - end - - reg stb_d1, ack_d1; - always @(posedge clk_i) - stb_d1 <= stb_i; - - always @(posedge clk_i) - ack_d1 <= ack_o; - - assign ack_o = stb_i & (we_i | (stb_d1 & ~ack_d1)); -endmodule // wb_ram_block - - - |