aboutsummaryrefslogtreecommitdiffstats
path: root/fpga/usrp2/gpmc/fifo_to_gpmc.v
diff options
context:
space:
mode:
Diffstat (limited to 'fpga/usrp2/gpmc/fifo_to_gpmc.v')
-rw-r--r--fpga/usrp2/gpmc/fifo_to_gpmc.v9
1 files changed, 5 insertions, 4 deletions
diff --git a/fpga/usrp2/gpmc/fifo_to_gpmc.v b/fpga/usrp2/gpmc/fifo_to_gpmc.v
index 42c71d2d6..27252b970 100644
--- a/fpga/usrp2/gpmc/fifo_to_gpmc.v
+++ b/fpga/usrp2/gpmc/fifo_to_gpmc.v
@@ -1,5 +1,5 @@
//
-// Copyright 2011 Ettus Research LLC
+// Copyright 2011-2012 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
@@ -39,7 +39,7 @@
////////////////////////////////////////////////////////////////////////
module fifo_to_gpmc
- #(parameter PTR_WIDTH = 2, parameter ADDR_WIDTH = 10)
+ #(parameter PTR_WIDTH = 2, parameter ADDR_WIDTH = 10, parameter LAST_ADDR = 10'h3ff)
(input clk, input reset, input clear, input arst,
input [17:0] data_i, input src_rdy_i, output dst_rdy_o,
output [15:0] EM_D, input [ADDR_WIDTH:1] EM_A, input EM_CLK, input EM_OE,
@@ -82,14 +82,15 @@ module fifo_to_gpmc
end
GPMC_STATE_EMPTY: begin
- if (EM_A == 10'h3ff) begin
+ if (EM_A == LAST_ADDR) begin
gpmc_state <= GPMC_STATE_START;
gpmc_ptr <= next_gpmc_ptr;
+ addr <= 0;
end
end
endcase //gpmc_state
- end //EM_WE
+ end //EM_OE
end //always
//------------------------------------------------------------------