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authorJohnathan Corgan <jcorgan@corganenterprises.com>2009-10-01 11:00:25 -0700
committerJohnathan Corgan <jcorgan@corganenterprises.com>2009-10-01 11:07:59 -0700
commit1ff74777e47f3a2edefc5154484f2bdcb86c1a13 (patch)
tree04f94ef4f7f06a210f7532592829332c7f2621f0 /opencores/uart16550/rtl/verilog/uart_defines.v
parent7b8f65256b5ea300187ebb6a359df2fa707a295d (diff)
parent42fc55415af499980901c7787f44c7e74b4a9ce1 (diff)
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Merge branch 'new_eth' of http://gnuradio.org/git/matt into master
* 'new_eth' of http://gnuradio.org/git/matt: (42 commits) Fix warnings, mostly from implicitly defined wires or unspecified widths fullchip sim now compiles again, after moving eth and models over to new simple_gemac remove unused opencores remove debugging code no idea where this came from, it shouldn't be here Copied wb_1master back from quad radio Remove old mac. Good riddance. remove unused port More xilinx fifos, more clean up of our fifos might as well use a cascade fifo to help timing and give a little more capacity fix a typo which caused tx glitches Untested fixes for getting serdes onto the new fifo system. Compiles, at least Implement Eth flow control using pause frames parameterized fifo sizes, some reformatting remove unused old style fifo allow control of whether or not to honor flow control, adds some debug lines debug the rx side no longer used, replaced by newfifo version remove special last_line adjustment from ethernet port Firmware now inserts mac source address value in each frame. ...
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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 ////
-//// - Igor Mohor (igorm@opencores.org) ////
-//// ////
-//// Created: 2001/05/12 ////
-//// Last Updated: 2001/05/17 ////
-//// (See log for the revision history) ////
-//// ////
-//// ////
-//////////////////////////////////////////////////////////////////////
-//// ////
-//// Copyright (C) 2000, 2001 Authors ////
-//// ////
-//// 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 1.14 2003/09/12 07:26:58 dries
-// adjusted comment + define
-//
-// Revision 1.13 2003/06/11 16:37:47 gorban
-// This fixes errors in some cases when data is being read and put to the FIFO at the same time. Patch is submitted by Scott Furman. Update is very recommended.
-//
-// Revision 1.12 2002/07/22 23:02:23 gorban
-// Bug Fixes:
-// * Possible loss of sync and bad reception of stop bit on slow baud rates fixed.
-// Problem reported by Kenny.Tung.
-// * Bad (or lack of ) loopback handling fixed. Reported by Cherry Withers.
-//
-// Improvements:
-// * Made FIFO's as general inferrable memory where possible.
-// So on FPGA they should be inferred as RAM (Distributed RAM on Xilinx).
-// This saves about 1/3 of the Slice count and reduces P&R and synthesis times.
-//
-// * Added optional baudrate output (baud_o).
-// This is identical to BAUDOUT* signal on 16550 chip.
-// It outputs 16xbit_clock_rate - the divided clock.
-// It's disabled by default. Define UART_HAS_BAUDRATE_OUTPUT to use.
-//
-// Revision 1.10 2001/12/11 08:55:40 mohor
-// Scratch register define added.
-//
-// Revision 1.9 2001/12/03 21:44:29 gorban
-// Updated specification documentation.
-// Added full 32-bit data bus interface, now as default.
-// Address is 5-bit wide in 32-bit data bus mode.
-// Added wb_sel_i input to the core. It's used in the 32-bit mode.
-// Added debug interface with two 32-bit read-only registers in 32-bit mode.
-// Bits 5 and 6 of LSR are now only cleared on TX FIFO write.
-// My small test bench is modified to work with 32-bit mode.
-//
-// Revision 1.8 2001/11/26 21:38:54 gorban
-// Lots of fixes:
-// Break condition wasn't handled correctly at all.
-// LSR bits could lose their values.
-// LSR value after reset was wrong.
-// Timing of THRE interrupt signal corrected.
-// LSR bit 0 timing corrected.
-//
-// Revision 1.7 2001/08/24 21:01:12 mohor
-// Things connected to parity changed.
-// Clock devider changed.
-//
-// Revision 1.6 2001/08/23 16:05:05 mohor
-// Stop bit bug fixed.
-// Parity bug fixed.
-// WISHBONE read cycle bug fixed,
-// OE indicator (Overrun Error) bug fixed.
-// PE indicator (Parity Error) bug fixed.
-// Register read bug fixed.
-//
-// 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
-//
-//
-
-// remove comments to restore to use the new version with 8 data bit interface
-// in 32bit-bus mode, the wb_sel_i signal is used to put data in correct place
-// also, in 8-bit version there'll be no debugging features included
-// CAUTION: doesn't work with current version of OR1200
-//`define DATA_BUS_WIDTH_8
-
-`ifdef DATA_BUS_WIDTH_8
- `define UART_ADDR_WIDTH 3
- `define UART_DATA_WIDTH 8
-`else
- `define UART_ADDR_WIDTH 5
- `define UART_DATA_WIDTH 32
-`endif
-
-// Uncomment this if you want your UART to have
-// 16xBaudrate output port.
-// If defined, the enable signal will be used to drive baudrate_o signal
-// It's frequency is 16xbaudrate
-
-`define UART_HAS_BAUDRATE_OUTPUT
-
-// Register addresses
-`define UART_REG_RB `UART_ADDR_WIDTH'd0 // receiver buffer
-`define UART_REG_TR `UART_ADDR_WIDTH'd0 // transmitter
-`define UART_REG_IE `UART_ADDR_WIDTH'd1 // Interrupt enable
-`define UART_REG_II `UART_ADDR_WIDTH'd2 // Interrupt identification
-`define UART_REG_FC `UART_ADDR_WIDTH'd2 // FIFO control
-`define UART_REG_LC `UART_ADDR_WIDTH'd3 // Line Control
-`define UART_REG_MC `UART_ADDR_WIDTH'd4 // Modem control
-`define UART_REG_LS `UART_ADDR_WIDTH'd5 // Line status
-`define UART_REG_MS `UART_ADDR_WIDTH'd6 // Modem status
-`define UART_REG_SR `UART_ADDR_WIDTH'd7 // Scratch register
-`define UART_REG_DL1 `UART_ADDR_WIDTH'd0 // Divisor latch bytes (1-2)
-`define UART_REG_DL2 `UART_ADDR_WIDTH'd1
-
-// 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 11 because it has break, parity and framing error bits
-`define UART_FIFO_REC_WIDTH 11
-
-
-`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
-
-
-
-
-
-
-