miegl/b210-k7-fpga
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fpga: lib: add generic to disable bitq engine tri-stating

Browse Source 
Original-commit: b067b2af7924aa8577a8619f97d54122e0b71daf
This commit is contained in:
Max Köhler
2020-09-16 14:24:16 -05:00
committed by Wade Fife
parent f1d3374e50
commit 42d17bd090
2 changed files with 16 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/vivado_ipi/axi_bitq/axi_bitq.vhd
+7 -4
View File
@@ -90,7 +90,7 @@ begin
S_AXI_RDATA <= (others => '0');
case read_addr is
when "00" =>
when "00" =>
S_AXI_RDATA(31 downto 0) <= wr_data;
when "01" =>
S_AXI_RDATA(31 downto 0) <= stb_data;
@@ -151,7 +151,7 @@ begin
start <= '0';
elsif (write_addr_token = '1') and (write_data_token = '1') then
case write_addr(write_addr'left downto 2) is
when "00" =>
when "00" =>
if (write_strb(0) = '1') and (ready = '1') then
wr_data(7 downto 0) <= write_data(7 downto 0);
end if;
@@ -164,7 +164,7 @@ begin
if (write_strb(3) = '1') and (ready = '1') then
wr_data(31 downto 24) <= write_data(31 downto 24);
end if;
when "01" =>
when "01" =>
if (write_strb(0) = '1') and (ready = '1') then
stb_data(7 downto 0) <= write_data(7 downto 0);
end if;
@@ -202,11 +202,14 @@ begin
bitq_rstn <= '0' when (S_AXI_ARESETN = '0') or (bitq_soft_rst = '1') else '1';
bitq_ctrl : entity bitq_fsm
generic map (
IDLE_VALUE => 'Z'
)
port map (
clk => S_AXI_ACLK,
rstn => S_AXI_ARESETN,
prescalar => prescalar,
bit_clk => bit_clk,
bit_in => bit_in,
bit_out => bit_out,