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- TX-params are set via ctrl_in directly from regsiter interface.

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No parameter set via din anymore
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git-svn-id: http://moon:8086/svn/vhdl/trunk@820 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2010-03-25 19:56:53 +00:00
parent 832c1c8a33
commit e8b6c8efdb
3 changed files with 15 additions and 32 deletions
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lib/emac/src/emac_tx.vhd
+5 -18
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@@ -49,8 +49,6 @@ ARCHITECTURE behavior OF emac_tx IS
signal flush_en : std_logic;
signal alloc_req_size : unsigned(15 downto 0);
signal fill_base : word_ptr_t;
signal fill_size : word_ptr_t;
signal fill_cnt : word_ptr_t;
@@ -233,17 +231,6 @@ host_state:
------------------------------------------------------------------
-- Allocation stuff
------------------------------------------------------------------
alloc_req_size_register:
process(clk)
begin
if rising_edge(clk) then
if ctrl_in.tx_size_vld = '1' then
alloc_req_size <= din(15 downto 0);
end if;
end if;
end process;
------------------------------------------------------------------
alloc_request_logic:
process(clk)
@@ -253,12 +240,12 @@ alloc_request_logic:
alloc_req <= '0';
elsif ctrl_in.tx_req_en = '1' and alloc_req = '0' then
alloc_req <= '1';
fill_remain <= alloc_req_size(1 downto 0);
fill_size <= alloc_req_size(word_ptr_t'left+2 downto 2);
if din(1 downto 0) /= "00" then
fill_size <= alloc_req_size(word_ptr_t'left+2 downto 2) + 1;
fill_remain <= ctrl_in.tx_size(1 downto 0);
fill_size <= ctrl_in.tx_size(word_ptr_t'left+2 downto 2);
if ctrl_in.tx_size(1 downto 0) /= "00" then
fill_size <= ctrl_in.tx_size(word_ptr_t'left+2 downto 2) + 1;
end if;
ctrl_out.tx_size <= resize(alloc_req_size(word_ptr_t'left downto 0), 16);
ctrl_out.tx_size <= resize(ctrl_in.tx_size(word_ptr_t'left downto 0), 16);
elsif alloc_ack = '1' then
alloc_req <= '0';