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Diffstat (limited to 'opencores/uart16550/rtl/verilog-backup/uart_defines.v')
-rw-r--r-- | opencores/uart16550/rtl/verilog-backup/uart_defines.v | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/opencores/uart16550/rtl/verilog-backup/uart_defines.v b/opencores/uart16550/rtl/verilog-backup/uart_defines.v deleted file mode 100644 index 991b49a55..000000000 --- a/opencores/uart16550/rtl/verilog-backup/uart_defines.v +++ /dev/null @@ -1,177 +0,0 @@ -////////////////////////////////////////////////////////////////////// -//// //// -//// 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: uart_defines.v,v $ -// 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 - |