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