eFEX firmware  1.7.3
ATLAS l1-calo - electron and tau feature extraction firmware for eFEX boards

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ipbus_decode_efex_cntrl_mgt_quad.vhd
1 -- Address decode logic for ipbus fabric
2 --
3 -- This file has been AUTOGENERATED from the address table - do not hand edit
4 --
5 -- We assume the synthesis tool is clever enough to recognise exclusive conditions
6 -- in the if statement.
7 --
8 -- Dave Newbold, February 2011
9 
10 library IEEE;
11 use IEEE.STD_LOGIC_1164.all;
12 use ieee.numeric_std.all;
13 
15 
16  constant IPBUS_SEL_WIDTH: positive := 4;
17  subtype ipbus_sel_t is std_logic_vector(IPBUS_SEL_WIDTH - 1 downto 0);
18  function ipbus_sel_efex_cntrl_mgt_quad(addr : in std_logic_vector(31 downto 0)) return ipbus_sel_t;
19 
20 -- START automatically generated VHDL the Wed Aug 5 19:00:38 2020
21  constant N_SLV_QUAD_MGT_CONTROL: integer := 0;
22  constant N_SLV_QUAD_SYNCH_CONTROL: integer := 1;
23  constant N_SLV_QUAD_MGT_PULSE: integer := 2;
24  constant N_SLV_QUAD_MGT_STATUS: integer := 3;
25  constant N_SLV_GT0: integer := 4;
26  constant N_SLV_GT1: integer := 5;
27  constant N_SLV_GT2: integer := 6;
28  constant N_SLV_GT3: integer := 7;
29  constant N_SLAVES: integer := 8;
30 -- END automatically generated VHDL
31 
32 
34 
36 
37  function ipbus_sel_efex_cntrl_mgt_quad(addr : in std_logic_vector(31 downto 0)) return ipbus_sel_t is
38  variable sel: ipbus_sel_t;
39  begin
40 
41 -- START automatically generated VHDL the Wed Aug 5 19:00:38 2020
42  if std_match(addr, "-------------------------000--00") then
43  sel := ipbus_sel_t(to_unsigned(N_SLV_QUAD_MGT_CONTROL, IPBUS_SEL_WIDTH)); -- quad.mgt_control / base 0x00000000 / mask 0x00000073
44  elsif std_match(addr, "-------------------------000--01") then
45  sel := ipbus_sel_t(to_unsigned(N_SLV_QUAD_SYNCH_CONTROL, IPBUS_SEL_WIDTH)); -- quad.synch_control / base 0x00000001 / mask 0x00000073
46  elsif std_match(addr, "-------------------------000--10") then
47  sel := ipbus_sel_t(to_unsigned(N_SLV_QUAD_MGT_PULSE, IPBUS_SEL_WIDTH)); -- quad.mgt_pulse / base 0x00000002 / mask 0x00000073
48  elsif std_match(addr, "-------------------------000--11") then
49  sel := ipbus_sel_t(to_unsigned(N_SLV_QUAD_MGT_STATUS, IPBUS_SEL_WIDTH)); -- quad.mgt_status / base 0x00000003 / mask 0x00000073
50  elsif std_match(addr, "-------------------------001----") then
51  sel := ipbus_sel_t(to_unsigned(N_SLV_GT0, IPBUS_SEL_WIDTH)); -- gt0 / base 0x00000010 / mask 0x00000070
52  elsif std_match(addr, "-------------------------010----") then
53  sel := ipbus_sel_t(to_unsigned(N_SLV_GT1, IPBUS_SEL_WIDTH)); -- gt1 / base 0x00000020 / mask 0x00000070
54  elsif std_match(addr, "-------------------------011----") then
55  sel := ipbus_sel_t(to_unsigned(N_SLV_GT2, IPBUS_SEL_WIDTH)); -- gt2 / base 0x00000030 / mask 0x00000070
56  elsif std_match(addr, "-------------------------100----") then
57  sel := ipbus_sel_t(to_unsigned(N_SLV_GT3, IPBUS_SEL_WIDTH)); -- gt3 / base 0x00000040 / mask 0x00000070
58 -- END automatically generated VHDL
59 
60  else
61  sel := ipbus_sel_t(to_unsigned(N_SLAVES, IPBUS_SEL_WIDTH));
62  end if;
63 
64  return sel;
65 
66  end function ipbus_sel_efex_cntrl_mgt_quad;
67 
69