diff options
Diffstat (limited to 'usrp2/gpmc/gpmc.v')
| -rw-r--r-- | usrp2/gpmc/gpmc.v | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/usrp2/gpmc/gpmc.v b/usrp2/gpmc/gpmc.v index 91d02bfec..831df3b4c 100644 --- a/usrp2/gpmc/gpmc.v +++ b/usrp2/gpmc/gpmc.v @@ -32,7 +32,11 @@ module gpmc // //////////////////////////////////////////// // Write path wire read_sel_in, write_sel_in, clear_in; - wire write_done_in = ~EM_NCS4 & ~EM_NWE & (EM_A == 10'h3FF); + wire write_done_in; + + edge_sync #(.POSEDGE(0)) + edge_sync_wdi(.clk(wb_clk), .rst(wb_rst), + .sig(~EM_NCS4 & ~EM_NWE & (EM_A == 10'h3FF)), .trig(write_done_in)); ram_2port_mixed_width buffer_in (.clk16(wb_clk), .en16(~EM_NCS4), .we16(~EM_NWE), .addr16({write_sel_in,EM_A}), .di16(EM_D), .do16(), @@ -47,7 +51,11 @@ module gpmc // //////////////////////////////////////////// // Read path wire read_sel_out, write_sel_out, clear_out; - wire read_done_out = ~EM_NCS4 & ~EM_NOE & (EM_A == 10'h3FF); + wire read_done_out; + + edge_sync #(.POSEDGE(0)) + edge_sync_rdo(.clk(wb_clk), .rst(wb_rst), + .sig(~EM_NCS4 & ~EM_NOE & (EM_A == 10'h3FF)), .trig(read_done_out)); ram_2port_mixed_width buffer_out (.clk16(wb_clk), .en16(~EM_NCS4), .we16(0), .addr16({read_sel_out,EM_A}), .di16(0), .do16(EM_D_ram), |