Skip to content

W
White Rabbit core collection
Commit c2adeb23 authored by li hongming's avatar li hongming
Browse files
Options

Modify the xwrf_mux to support multi output

parent 3654cd97
Hide whitespace changes
Inline Side-by-side
Showing with 10 additions and 9 deletions
modules/fabric/xwrf_mux.vhd
View file @ c2adeb23
......@@ -269,21 +269,22 @@ begin
dmux_others(I) <= or_reduce(dmux_select(I-1 downto 0));
end generate;
-- Modify the MUX to support multi output by hm
GEN_DMUX_CONN : for I in 0 to g_muxed_ports-1 generate
mux_src_o(I).cyc <= ep_snk_i.cyc when(dmux_select(I) = '1' and dmux_others(I) = '0') else
mux_src_o(I).cyc <= ep_snk_i.cyc when(dmux_select(I) = '1') else
'0';
mux_src_o(I).stb <= '1' when(dmux_snd_stat(I) = '1' and dmux_others(I) = '0') else
mux_src_o(I).stb <= '1' when(dmux_snd_stat(I) = '1') else
ep_snk_i.stb when(dmux_select(I) = '1' and dmux_others(I) = '0') else
(ep_snk_i.stb and not ep_snk_out_stall) when(dmux_select(I) = '1' and dmux_others(I) = '1') else
'0';
mux_src_o(I).adr <= c_WRF_STATUS when(dmux_snd_stat(I) = '1' and dmux_others(I) = '0') else
ep_snk_i.adr when(dmux_select(I) = '1' and dmux_others(I) = '0') else
mux_src_o(I).adr <= c_WRF_STATUS when(dmux_snd_stat(I) = '1') else
ep_snk_i.adr when(dmux_select(I) = '1') else
(others => '0');
mux_src_o(I).dat <= dmux_status_reg when(dmux_snd_stat(I) = '1' and dmux_others(I) = '0') else
ep_snk_i.dat when(dmux_select(I) = '1' and dmux_others(I) = '0') else
mux_src_o(I).dat <= dmux_status_reg when(dmux_snd_stat(I) = '1') else
ep_snk_i.dat when(dmux_select(I) = '1') else
(others => '0');
mux_src_o(I).sel <= (others => '1') when(dmux_snd_stat(I) = '1' and dmux_others(I) = '0') else
ep_snk_i.sel when(dmux_select(I) = '1' and dmux_others(I) = '0') else
mux_src_o(I).sel <= (others => '1') when(dmux_snd_stat(I) = '1') else
ep_snk_i.sel when(dmux_select(I) = '1') else
(others => '1');
mux_src_o(I).we <= '1';
end generate;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment