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//////////////////////////////////////////////////////////////////////
////                                                              ////
////  uart_defines.v                                              ////
////                                                              ////
////                                                              ////
////  This file is part of the "UART 16550 compatible" project    ////
////  http://www.opencores.org/cores/uart16550/                   ////
////                                                              ////
////  Documentation related to this project:                      ////
////  - http://www.opencores.org/cores/uart16550/                 ////
////                                                              ////
////  Projects compatibility:                                     ////
////  - WISHBONE                                                  ////
////  RS232 Protocol                                              ////
////  16550D uart (mostly supported)                              ////
////                                                              ////
////  Overview (main Features):                                   ////
////  Defines of the Core                                         ////
////                                                              ////
////  Known problems (limits):                                    ////
////  None                                                        ////
////                                                              ////
////  To Do:                                                      ////
////  Nothing.                                                    ////
////                                                              ////
////  Author(s):                                                  ////
////      - gorban@opencores.org                                  ////
////      - Jacob Gorban                                          ////
////                                                              ////
////  Created:        2001/05/12                                  ////
////  Last Updated:   2001/05/17                                  ////
////                  (See log for the revision history)          ////
////                                                              ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
////                                                              ////
//// Copyright (C) 2000 Jacob Gorban, gorban@opencores.org        ////
////                                                              ////
//// This source file may be used and distributed without         ////
//// restriction provided that this copyright statement is not    ////
//// removed from the file and that any derivative work contains  ////
//// the original copyright notice and the associated disclaimer. ////
////                                                              ////
//// This source file is free software; you can redistribute it   ////
//// and/or modify it under the terms of the GNU Lesser General   ////
//// Public License as published by the Free Software Foundation; ////
//// either version 2.1 of the License, or (at your option) any   ////
//// later version.                                               ////
////                                                              ////
//// This source is distributed in the hope that it will be       ////
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
//// PURPOSE.  See the GNU Lesser General Public License for more ////
//// details.                                                     ////
////                                                              ////
//// You should have received a copy of the GNU Lesser General    ////
//// Public License along with this source; if not, download it   ////
//// from http://www.opencores.org/lgpl.shtml                     ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
//
// CVS Revision History
//
// $Log: not supported by cvs2svn $
// Revision 1.5  2001/05/31 20:08:01  gorban
// FIFO changes and other corrections.
//
// Revision 1.4  2001/05/21 19:12:02  gorban
// Corrected some Linter messages.
//
// Revision 1.3  2001/05/17 18:34:18  gorban
// First 'stable' release. Should be sythesizable now. Also added new header.
//
// Revision 1.0  2001-05-17 21:27:11+02  jacob
// Initial revision
//
//
 
`define UART_ADDR_WIDTH 3
 
// Register addresses
`define UART_REG_RB     3'd0    // receiver buffer
`define UART_REG_TR  3'd0       // transmitter
`define UART_REG_IE     3'd1    // Interrupt enable
`define UART_REG_II  3'd2       // Interrupt identification
`define UART_REG_FC  3'd2       // FIFO control
`define UART_REG_LC     3'd3    // Line Control
`define UART_REG_MC     3'd4    // Modem control
`define UART_REG_LS  3'd5       // Line status
`define UART_REG_MS  3'd6       // Modem status
`define UART_REG_DL1    3'd0    // Divisor latch bytes (1-4)
`define UART_REG_DL2    3'd1
`define UART_REG_DL3    3'd4
`define UART_REG_DL4    3'd5
 
// Interrupt Enable register bits
`define UART_IE_RDA     0        // Received Data available interrupt
`define UART_IE_THRE    1       // Transmitter Holding Register empty interrupt
`define UART_IE_RLS     2       // Receiver Line Status Interrupt
`define UART_IE_MS      3       // Modem Status Interrupt
 
// Interrupt Identification register bits
`define UART_II_IP      0        // Interrupt pending when 0
`define UART_II_II      3:1     // Interrupt identification
 
// Interrupt identification values for bits 3:1
`define UART_II_RLS     3'b011  // Receiver Line Status
`define UART_II_RDA     3'b010  // Receiver Data available
`define UART_II_TI      3'b110  // Timeout Indication
`define UART_II_THRE    3'b001  // Transmitter Holding Register empty
`define UART_II_MS      3'b000  // Modem Status
 
// FIFO Control Register bits
`define UART_FC_TL      1:0      // Trigger level
 
// FIFO trigger level values
`define UART_FC_1       2'b00
`define UART_FC_4       2'b01
`define UART_FC_8       2'b10
`define UART_FC_14      2'b11
 
// Line Control register bits
`define UART_LC_BITS    1:0      // bits in character
`define UART_LC_SB      2       // stop bits
`define UART_LC_PE      3       // parity enable
`define UART_LC_EP      4       // even parity
`define UART_LC_SP      5       // stick parity
`define UART_LC_BC      6       // Break control
`define UART_LC_DL      7       // Divisor Latch access bit
 
// Modem Control register bits
`define UART_MC_DTR     0
`define UART_MC_RTS     1
`define UART_MC_OUT1    2
`define UART_MC_OUT2    3
`define UART_MC_LB      4       // Loopback mode
 
// Line Status Register bits
`define UART_LS_DR      0        // Data ready
`define UART_LS_OE      1       // Overrun Error
`define UART_LS_PE      2       // Parity Error
`define UART_LS_FE      3       // Framing Error
`define UART_LS_BI      4       // Break interrupt
`define UART_LS_TFE     5       // Transmit FIFO is empty
`define UART_LS_TE      6       // Transmitter Empty indicator
`define UART_LS_EI      7       // Error indicator
 
// Modem Status Register bits
`define UART_MS_DCTS    0        // Delta signals
`define UART_MS_DDSR    1
`define UART_MS_TERI    2
`define UART_MS_DDCD    3
`define UART_MS_CCTS    4       // Complement signals
`define UART_MS_CDSR    5
`define UART_MS_CRI     6
`define UART_MS_CDCD    7
 
 
// FIFO parameter defines
 
`define UART_FIFO_WIDTH 8
`define UART_FIFO_DEPTH 16
`define UART_FIFO_POINTER_W     4
`define UART_FIFO_COUNTER_W     5
// receiver fifo has width 10 because it has parity and framing error bits
`define UART_FIFO_REC_WIDTH  10
 
 
 
 
 
 
 
`define VERBOSE_WB  0           // All activity on the WISHBONE is recorded
`define VERBOSE_LINE_STATUS 0   // Details about the lsr (line status register)
`define FAST_TEST   1           // 64/1024 packets are sent
 

Line No.	Rev	Author	Line
1	1327	jcastillo	`//////////////////////////////////////////////////////////////////////`
2			`//// ////`
3			`//// uart_defines.v ////`
4			`//// ////`
5			`//// ////`
6			`//// This file is part of the "UART 16550 compatible" project ////`
7			`//// http://www.opencores.org/cores/uart16550/ ////`
8			`//// ////`
9			`//// Documentation related to this project: ////`
10			`//// - http://www.opencores.org/cores/uart16550/ ////`
11			`//// ////`
12			`//// Projects compatibility: ////`
13			`//// - WISHBONE ////`
14			`//// RS232 Protocol ////`
15			`//// 16550D uart (mostly supported) ////`
16			`//// ////`
17			`//// Overview (main Features): ////`
18			`//// Defines of the Core ////`
19			`//// ////`
20			`//// Known problems (limits): ////`
21			`//// None ////`
22			`//// ////`
23			`//// To Do: ////`
24			`//// Nothing. ////`
25			`//// ////`
26			`//// Author(s): ////`
27			`//// - gorban@opencores.org ////`
28			`//// - Jacob Gorban ////`
29			`//// ////`
30			`//// Created: 2001/05/12 ////`
31			`//// Last Updated: 2001/05/17 ////`
32			`//// (See log for the revision history) ////`
33			`//// ////`
34			`//// ////`
35			`//////////////////////////////////////////////////////////////////////`
36			`//// ////`
37			`//// Copyright (C) 2000 Jacob Gorban, gorban@opencores.org ////`
38			`//// ////`
39			`//// This source file may be used and distributed without ////`
40			`//// restriction provided that this copyright statement is not ////`
41			`//// removed from the file and that any derivative work contains ////`
42			`//// the original copyright notice and the associated disclaimer. ////`
43			`//// ////`
44			`//// This source file is free software; you can redistribute it ////`
45			`//// and/or modify it under the terms of the GNU Lesser General ////`
46			`//// Public License as published by the Free Software Foundation; ////`
47			`//// either version 2.1 of the License, or (at your option) any ////`
48			`//// later version. ////`
49			`//// ////`
50			`//// This source is distributed in the hope that it will be ////`
51			`//// useful, but WITHOUT ANY WARRANTY; without even the implied ////`
52			`//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////`
53			`//// PURPOSE. See the GNU Lesser General Public License for more ////`
54			`//// details. ////`
55			`//// ////`
56			`//// You should have received a copy of the GNU Lesser General ////`
57			`//// Public License along with this source; if not, download it ////`
58			`//// from http://www.opencores.org/lgpl.shtml ////`
59			`//// ////`
60			`//////////////////////////////////////////////////////////////////////`
61			`//`
62			`// CVS Revision History`
63			`//`
64			`// $Log: not supported by cvs2svn $`
65			`// Revision 1.5 2001/05/31 20:08:01 gorban`
66			`// FIFO changes and other corrections.`
67			`//`
68			`// Revision 1.4 2001/05/21 19:12:02 gorban`
69			`// Corrected some Linter messages.`
70			`//`
71			`// Revision 1.3 2001/05/17 18:34:18 gorban`
72			`// First 'stable' release. Should be sythesizable now. Also added new header.`
73			`//`
74			`// Revision 1.0 2001-05-17 21:27:11+02 jacob`
75			`// Initial revision`
76			`//`
77			`//`
78
79			`define UART_ADDR_WIDTH 3
80
81			`// Register addresses`
82			`define UART_REG_RB 3'd0 // receiver buffer
83			`define UART_REG_TR 3'd0 // transmitter
84			`define UART_REG_IE 3'd1 // Interrupt enable
85			`define UART_REG_II 3'd2 // Interrupt identification
86			`define UART_REG_FC 3'd2 // FIFO control
87			`define UART_REG_LC 3'd3 // Line Control
88			`define UART_REG_MC 3'd4 // Modem control
89			`define UART_REG_LS 3'd5 // Line status
90			`define UART_REG_MS 3'd6 // Modem status
91			`define UART_REG_DL1 3'd0 // Divisor latch bytes (1-4)
92			`define UART_REG_DL2 3'd1
93			`define UART_REG_DL3 3'd4
94			`define UART_REG_DL4 3'd5
95
96			`// Interrupt Enable register bits`
97			`define UART_IE_RDA 0 // Received Data available interrupt
98			`define UART_IE_THRE 1 // Transmitter Holding Register empty interrupt
99			`define UART_IE_RLS 2 // Receiver Line Status Interrupt
100			`define UART_IE_MS 3 // Modem Status Interrupt
101
102			`// Interrupt Identification register bits`
103			`define UART_II_IP 0 // Interrupt pending when 0
104			`define UART_II_II 3:1 // Interrupt identification
105
106			`// Interrupt identification values for bits 3:1`
107			`define UART_II_RLS 3'b011 // Receiver Line Status
108			`define UART_II_RDA 3'b010 // Receiver Data available
109			`define UART_II_TI 3'b110 // Timeout Indication
110			`define UART_II_THRE 3'b001 // Transmitter Holding Register empty
111			`define UART_II_MS 3'b000 // Modem Status
112
113			`// FIFO Control Register bits`
114			`define UART_FC_TL 1:0 // Trigger level
115
116			`// FIFO trigger level values`
117			`define UART_FC_1 2'b00
118			`define UART_FC_4 2'b01
119			`define UART_FC_8 2'b10
120			`define UART_FC_14 2'b11
121
122			`// Line Control register bits`
123			`define UART_LC_BITS 1:0 // bits in character
124			`define UART_LC_SB 2 // stop bits
125			`define UART_LC_PE 3 // parity enable
126			`define UART_LC_EP 4 // even parity
127			`define UART_LC_SP 5 // stick parity
128			`define UART_LC_BC 6 // Break control
129			`define UART_LC_DL 7 // Divisor Latch access bit
130
131			`// Modem Control register bits`
132			`define UART_MC_DTR 0
133			`define UART_MC_RTS 1
134			`define UART_MC_OUT1 2
135			`define UART_MC_OUT2 3
136			`define UART_MC_LB 4 // Loopback mode
137
138			`// Line Status Register bits`
139			`define UART_LS_DR 0 // Data ready
140			`define UART_LS_OE 1 // Overrun Error
141			`define UART_LS_PE 2 // Parity Error
142			`define UART_LS_FE 3 // Framing Error
143			`define UART_LS_BI 4 // Break interrupt
144			`define UART_LS_TFE 5 // Transmit FIFO is empty
145			`define UART_LS_TE 6 // Transmitter Empty indicator
146			`define UART_LS_EI 7 // Error indicator
147
148			`// Modem Status Register bits`
149			`define UART_MS_DCTS 0 // Delta signals
150			`define UART_MS_DDSR 1
151			`define UART_MS_TERI 2
152			`define UART_MS_DDCD 3
153			`define UART_MS_CCTS 4 // Complement signals
154			`define UART_MS_CDSR 5
155			`define UART_MS_CRI 6
156			`define UART_MS_CDCD 7
157
158
159			`// FIFO parameter defines`
160
161			`define UART_FIFO_WIDTH 8
162			`define UART_FIFO_DEPTH 16
163			`define UART_FIFO_POINTER_W 4
164			`define UART_FIFO_COUNTER_W 5
165			`// receiver fifo has width 10 because it has parity and framing error bits`
166			`define UART_FIFO_REC_WIDTH 10
167
168
169
170
171
172
173
174			`define VERBOSE_WB 0 // All activity on the WISHBONE is recorded
175			`define VERBOSE_LINE_STATUS 0 // Details about the lsr (line status register)
176			`define FAST_TEST 1 // 64/1024 packets are sent
177

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[/] [or1k/] [trunk/] [rc203soc/] [rtl/] [verilog/] [uart16550/] [rtl/] [verilog-backup/] [uart_defines.v] - Blame information for rev 1765