##// END OF EJS Templates
APB_MULTI_DIODE added
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@@ -0,0 +1,106
1 ------------------------------------------------------------------------------
2 -- This file is a part of the LPP VHDL IP LIBRARY
3 -- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS
4 --
5 -- This program is free software; you can redistribute it and/or modify
6 -- it under the terms of the GNU General Public License as published by
7 -- the Free Software Foundation; either version 2 of the License, or
8 -- (at your option) any later version.
9 --
10 -- This program is distributed in the hope that it will be useful,
11 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
12 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 -- GNU General Public License for more details.
14 --
15 -- You should have received a copy of the GNU General Public License
16 -- along with this program; if not, write to the Free Software
17 -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 -------------------------------------------------------------------------------
19 -- APB_MULTI_DIODE.vhd
20
21 library ieee;
22 use ieee.std_logic_1164.all;
23 --use ieee.numeric_std.all;
24 library grlib;
25 use grlib.amba.all;
26 use grlib.stdlib.all;
27 use grlib.devices.all;
28 library lpp;
29 use lpp.lpp_amba.all;
30
31
32 entity APB_MULTI_DIODE is
33 generic (
34 pindex : integer := 0;
35 paddr : integer := 0;
36 pmask : integer := 16#fff#;
37 pirq : integer := 0;
38 abits : integer := 8);
39 port (
40 rst : in std_ulogic;
41 clk : in std_ulogic;
42 apbi : in apb_slv_in_type;
43 apbo : out apb_slv_out_type;
44 LED : out std_logic_vector(2 downto 0)
45 );
46 end;
47
48
49 architecture AR_APB_MULTI_DIODE of APB_MULTI_DIODE is
50
51 constant REVISION : integer := 1;
52
53 constant pconfig : apb_config_type := (
54 0 => ahb_device_reg (VENDOR_LPP, LPP_MULTI_DIODE, 0, REVISION, 0),
55 1 => apb_iobar(paddr, pmask));
56
57
58
59 type LEDregs is record
60 DATAin : std_logic_vector(31 downto 0);
61 DATAout : std_logic_vector(31 downto 0);
62 end record;
63
64 signal r : LEDregs;
65
66
67 begin
68
69 r.DATAout <= r.DATAin xor X"FFFFFFFF";
70
71 process(rst,clk)
72 begin
73 if rst = '0' then
74 LED <= "000";
75 r.DATAin <= (others => '0');
76 apbo.prdata <= (others => '0');
77 elsif clk'event and clk = '1' then
78
79 LED <= r.DATAin(2 downto 0);
80
81 --APB Write OP
82 if (apbi.psel(pindex) and apbi.penable and apbi.pwrite) = '1' then
83 case apbi.paddr(abits-1 downto 2) is
84 when "000000" =>
85 r.DATAin <= apbi.pwdata;
86 when others =>
87 null;
88 end case;
89 end if;
90
91 --APB READ OP
92 if (apbi.psel(pindex) and apbi.penable and (not apbi.pwrite)) = '1' then
93 case apbi.paddr(abits-1 downto 2) is
94 when "000000" =>
95 apbo.prdata <= r.DATAin;
96 when others =>
97 apbo.prdata <= r.DATAout;
98 end case;
99 end if;
100
101 end if;
102 apbo.pconfig <= pconfig;
103 end process;
104
105
106 end ar_APB_MULTI_DIODE; No newline at end of file
@@ -1,4 +1,3
1 ./amba_lcd_16x2_ctrlr
2 1 ./dsp/iir_filter
3 2 ./general_purpose
4 3 ./lpp_amba
@@ -27,8 +27,6 use std.textio.all;
27 27
28 28
29 29
30
31
32 30 package lpp_amba is
33 31
34 32 constant VENDOR_LPP : amba_vendor_type := 16#19#;
@@ -38,6 +36,7 constant VENDOR_LPP : amba_vendor
38 36 constant ROCKET_TM : amba_device_type := 16#001#;
39 37 constant otherCore : amba_device_type := 16#002#;
40 38 constant LPP_SIMPLE_DIODE : amba_device_type := 16#003#;
39 constant LPP_MULTI_DIODE : amba_device_type := 16#004#;
41 40
42 41
43 42 component APB_SIMPLE_DIODE is
@@ -57,4 +56,20 component APB_SIMPLE_DIODE is
57 56 end component;
58 57
59 58
59 component APB_MULTI_DIODE is
60 generic (
61 pindex : integer := 0;
62 paddr : integer := 0;
63 pmask : integer := 16#fff#;
64 pirq : integer := 0;
65 abits : integer := 8);
66 port (
67 rst : in std_ulogic;
68 clk : in std_ulogic;
69 apbi : in apb_slv_in_type;
70 apbo : out apb_slv_out_type;
71 LED : out std_logic_vector(2 downto 0)
72 );
73 end component;
74
60 75 end;
@@ -1,2 +1,3
1 APB_MULTI_DIODE.vhd
1 2 APB_SIMPLE_DIODE.vhd
2 3 lpp_amba.vhd
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