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- minor changes in register interface

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git-svn-id: http://moon:8086/svn/vhdl/trunk@819 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2010-03-25 09:34:27 +00:00
parent 3b014c19ca
commit 832c1c8a33
1 changed files with 7 additions and 7 deletions
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lib/emac/src/emac_top_jb.vhd
+7 -7
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@@ -110,14 +110,14 @@ registers_read:
begin begin
if rising_edge(CLK_I) then if rising_edge(CLK_I) then
rx_ctrl_in.data_read <= '0'; rx_ctrl_in.data_read <= '0';
ACK_O <= rx_ctrl_out.data_vld; ACK_O <= '0';
DAT_O <= rx_dout; if CYC_I = '1' then
if (STB_I and CYC_I) = '1' then ACK_O <= STB_I and not WE_I;
case ADDR_I(5 downto 2) is case ADDR_I(5 downto 2) is
when "0000" => when "0000" =>
DAT_O <= (others => '0'); DAT_O <= (others => '0');
ACK_O <= not WE_I; DAT_O <= (others => '0');
DAT_O(31) <= tx_ctrl_in.tx_er; DAT_O(31) <= tx_ctrl_in.tx_er;
DAT_O(30) <= mii_rx_er; DAT_O(30) <= mii_rx_er;
DAT_O(29) <= mii_col; DAT_O(29) <= mii_col;
@@ -126,13 +126,13 @@ registers_read:
DAT_O(16) <= rx_ctrl_out.rx_vld; DAT_O(16) <= rx_ctrl_out.rx_vld;
DAT_O(5) <= tx_int_en; DAT_O(5) <= tx_int_en;
DAT_O(4) <= rx_int_en; DAT_O(4) <= rx_int_en;
when "0001" => when "0001" =>
ACK_O <= not WE_I;
DAT_O <= tx_ctrl_out.tx_size & rx_ctrl_out.rx_size; DAT_O <= tx_ctrl_out.tx_size & rx_ctrl_out.rx_size;
when "0010" => when "0010" =>
rx_ctrl_in.data_read <= not WE_I; rx_ctrl_in.data_read <= STB_I and not WE_I;
ACK_O <= rx_ctrl_out.data_vld;
DAT_O <= rx_dout;
when others => null; when others => null;
end case; end case;