diff options
Diffstat (limited to 'fpga/usrp3/lib/wishbone/settings_readback.v')
-rw-r--r-- | fpga/usrp3/lib/wishbone/settings_readback.v | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/fpga/usrp3/lib/wishbone/settings_readback.v b/fpga/usrp3/lib/wishbone/settings_readback.v deleted file mode 100644 index 745571717..000000000 --- a/fpga/usrp3/lib/wishbone/settings_readback.v +++ /dev/null @@ -1,40 +0,0 @@ -// -// Copyright 2011-2012 Ettus Research LLC -// - - -// -// Use this module in conjunction with settings_bus.v to add stateful reads -// to the settings bis. This enables you to do things like have registers reset atomicly -// as they are read. It also pipelines the address path to ease timing. -// - -module settings_readback - #(parameter AWIDTH=16, parameter DWIDTH=32, parameter RB_ADDRW=2) - ( - input wb_clk, - input wb_rst, - input [AWIDTH-1:0] wb_adr_i, - input wb_stb_i, - input wb_we_i, - input [DWIDTH-1:0] rb_data, - output reg [RB_ADDRW-1:0] rb_addr, - output [DWIDTH-1:0] wb_dat_o, - output reg rb_rd_stb - ); - - always @(posedge wb_clk) - if (wb_stb_i && ~wb_we_i) begin - rb_addr <= wb_adr_i[RB_ADDRW+1:2]; - rb_rd_stb <= 1'b1; - end else begin - rb_rd_stb <= 1'b0; - end - - assign wb_dat_o = rb_data; - - - -endmodule // settings_readback - -
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