]> git.zerfleddert.de Git - raggedstone/blob - dhwk/source/fifo_control.vhd
46ecd93d34c4fd825b60f8a2557052b6a22d3c9c
[raggedstone] / dhwk / source / fifo_control.vhd
1 -- VHDL model created from schematic fifo_control.sch -- Jan 09 09:34:17 2007
2
3
4 LIBRARY ieee;
5
6 USE ieee.std_logic_1164.ALL;
7 USE ieee.numeric_std.ALL;
8
9
10 entity FIFO_CONTROL is
11 Port ( FIFO_RDn : In std_logic;
12 FLAG_IN_0 : In std_logic;
13 FLAG_IN_4 : In std_logic;
14 HOLD : In std_logic;
15 KONST_1 : In std_logic;
16 PCI_CLOCK : In std_logic;
17 PSC_ENABLE : In std_logic;
18 R_EFn : In std_logic;
19 R_FFn : In std_logic;
20 R_HFn : In std_logic;
21 RESET : In std_logic;
22 S_EFn : In std_logic;
23 S_FFn : In std_logic;
24 S_FIFO_Q_OUT : In std_logic_vector (7 downto 0);
25 S_HFn : In std_logic;
26 SERIAL_IN : In std_logic;
27 SPC_ENABLE : In std_logic;
28 SPC_RDY_IN : In std_logic;
29 WRITE_XX1_0 : In std_logic;
30 R_ERROR : Out std_logic;
31 R_FIFO_D_IN : Out std_logic_vector (7 downto 0);
32 R_FIFO_READn : Out std_logic;
33 R_FIFO_RESETn : Out std_logic;
34 R_FIFO_RETRANSMITn : Out std_logic;
35 R_FIFO_WRITEn : Out std_logic;
36 RESERVE : Out std_logic;
37 S_ERROR : Out std_logic;
38 S_FIFO_READn : Out std_logic;
39 S_FIFO_RESETn : Out std_logic;
40 S_FIFO_RETRANSMITn : Out std_logic;
41 S_FIFO_WRITEn : Out std_logic;
42 SERIAL_OUT : Out std_logic;
43 SPC_RDY_OUT : Out std_logic;
44 SR_ERROR : Out std_logic;
45 SYNC_FLAG : Out std_logic_vector (7 downto 0));
46 end FIFO_CONTROL;
47
48 architecture SCHEMATIC of FIFO_CONTROL is
49
50 SIGNAL gnd : std_logic := '0';
51 SIGNAL vcc : std_logic := '1';
52
53 signal XXXR_FIFO_WRITEn : std_logic;
54 signal XXXS_FIFO_READn : std_logic;
55 signal SYNC_FLAG_DUMMY : std_logic_vector (7 downto 0);
56 signal XXXR_FIFO_D_IN : std_logic_vector (7 downto 0);
57
58 component SER_PAR_CON
59 Port ( PCI_CLOCK : In std_logic;
60 RESET : In std_logic;
61 SERIAL_IN : In std_logic;
62 SPC_ENABLE : In std_logic;
63 SYNC_R_FIFO_FFn : In std_logic;
64 PAR_OUT : Out std_logic_vector (7 downto 0);
65 R_FIFO_WRITEn : Out std_logic;
66 SPC_RDY_OUT : Out std_logic );
67 end component;
68
69 component PAR_SER_CON
70 Port ( PAR_IN : In std_logic_vector (7 downto 0);
71 PCI_CLOCK : In std_logic;
72 PSC_ENABLE : In std_logic;
73 RESET : In std_logic;
74 SPC_RDY_IN : In std_logic;
75 SYNC_S_FIFO_EFn : In std_logic;
76 S_FIFO_READn : Out std_logic;
77 SER_OUT : Out std_logic );
78 end component;
79
80 component FIFO_IO_CONTROL
81 Port ( FIFO_RDn : In std_logic;
82 PCI_CLOCK : In std_logic;
83 RESET : In std_logic;
84 SYNC_FLAG_1 : In std_logic;
85 SYNC_FLAG_7 : In std_logic;
86 WRITE_XX1_0 : In std_logic;
87 R_ERROR : Out std_logic;
88 R_FIFO_READn : Out std_logic;
89 R_FIFO_RESETn : Out std_logic;
90 R_FIFO_RETRANSMITn : Out std_logic;
91 S_ERROR : Out std_logic;
92 S_FIFO_RESETn : Out std_logic;
93 S_FIFO_RETRANSMITn : Out std_logic;
94 S_FIFO_WRITEn : Out std_logic;
95 SR_ERROR : Out std_logic );
96 end component;
97
98 component CONNECTING_FSM
99 Port ( PCI_CLOCK : In std_logic;
100 PSC_ENABLE : In std_logic;
101 RESET : In std_logic;
102 S_FIFO_Q_OUT : In std_logic_vector (7 downto 0);
103 SPC_ENABLE : In std_logic;
104 SYNC_R_FIFO_FFn : In std_logic;
105 SYNC_S_FIFO_EFn : In std_logic;
106 R_FIFO_D_IN : Out std_logic_vector (7 downto 0);
107 R_FIFO_WRITEn : Out std_logic;
108 S_FIFO_READn : Out std_logic );
109 end component;
110
111 component FLAG_BUS
112 Port ( FLAG_IN_0 : In std_logic;
113 FLAG_IN_4 : In std_logic;
114 HOLD : In std_logic;
115 KONS_1 : In std_logic;
116 PCI_CLOCK : In std_logic;
117 R_EFn : In std_logic;
118 R_FFn : In std_logic;
119 R_HFn : In std_logic;
120 S_EFn : In std_logic;
121 S_FFn : In std_logic;
122 S_HFn : In std_logic;
123 SYNC_FLAG : Out std_logic_vector (7 downto 0) );
124 end component;
125
126 begin
127
128 SYNC_FLAG <= SYNC_FLAG_DUMMY;
129
130 RESERVE <= gnd;
131 I23 : SER_PAR_CON
132 Port Map ( PCI_CLOCK=>PCI_CLOCK, RESET=>RESET,
133 SERIAL_IN=>SERIAL_IN, SPC_ENABLE=>SPC_ENABLE,
134 SYNC_R_FIFO_FFn=>SYNC_FLAG_DUMMY(3),
135 PAR_OUT(7 downto 0)=>R_FIFO_D_IN(7 downto 0),
136 R_FIFO_WRITEn=>R_FIFO_WRITEn, SPC_RDY_OUT=>SPC_RDY_OUT );
137 I22 : PAR_SER_CON
138 Port Map ( PAR_IN(7 downto 0)=>S_FIFO_Q_OUT(7 downto 0),
139 PCI_CLOCK=>PCI_CLOCK, PSC_ENABLE=>PSC_ENABLE,
140 RESET=>RESET, SPC_RDY_IN=>SPC_RDY_IN,
141 SYNC_S_FIFO_EFn=>SYNC_FLAG_DUMMY(5),
142 S_FIFO_READn=>S_FIFO_READn, SER_OUT=>SERIAL_OUT );
143 I21 : FIFO_IO_CONTROL
144 Port Map ( FIFO_RDn=>FIFO_RDn, PCI_CLOCK=>PCI_CLOCK, RESET=>RESET,
145 SYNC_FLAG_1=>SYNC_FLAG_DUMMY(1),
146 SYNC_FLAG_7=>SYNC_FLAG_DUMMY(7),
147 WRITE_XX1_0=>WRITE_XX1_0, R_ERROR=>R_ERROR,
148 R_FIFO_READn=>R_FIFO_READn,
149 R_FIFO_RESETn=>R_FIFO_RESETn,
150 R_FIFO_RETRANSMITn=>R_FIFO_RETRANSMITn,
151 S_ERROR=>S_ERROR, S_FIFO_RESETn=>S_FIFO_RESETn,
152 S_FIFO_RETRANSMITn=>S_FIFO_RETRANSMITn,
153 S_FIFO_WRITEn=>S_FIFO_WRITEn, SR_ERROR=>SR_ERROR );
154 I20 : CONNECTING_FSM
155 Port Map ( PCI_CLOCK=>PCI_CLOCK, PSC_ENABLE=>PSC_ENABLE,
156 RESET=>RESET,
157 S_FIFO_Q_OUT(7 downto 0)=>S_FIFO_Q_OUT(7 downto 0),
158 SPC_ENABLE=>SPC_ENABLE,
159 SYNC_R_FIFO_FFn=>SYNC_FLAG_DUMMY(3),
160 SYNC_S_FIFO_EFn=>SYNC_FLAG_DUMMY(5),
161 R_FIFO_D_IN(7 downto 0)=>XXXR_FIFO_D_IN(7 downto 0),
162 R_FIFO_WRITEn=>XXXR_FIFO_WRITEn,
163 S_FIFO_READn=>XXXS_FIFO_READn );
164 I19 : FLAG_BUS
165 Port Map ( FLAG_IN_0=>FLAG_IN_0, FLAG_IN_4=>FLAG_IN_4, HOLD=>HOLD,
166 KONS_1=>KONST_1, PCI_CLOCK=>PCI_CLOCK, R_EFn=>R_EFn,
167 R_FFn=>R_FFn, R_HFn=>R_HFn, S_EFn=>S_EFn, S_FFn=>S_FFn,
168 S_HFn=>S_HFn,
169 SYNC_FLAG(7 downto 0)=>SYNC_FLAG_DUMMY(7 downto 0) );
170
171 end SCHEMATIC;
Impressum, Datenschutz