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///////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Filename: lleqspi.v
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// Filename: lleqspi.v
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//
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//
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// Project: Wishbone Controlled Quad SPI Flash Controller
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// Project: Wishbone Controlled Quad SPI Flash Controller
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//
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//
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// to/from a Quad SPI port. The port is understood to be
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// to/from a Quad SPI port. The port is understood to be
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// a normal SPI port unless the driver requests four bit mode.
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// a normal SPI port unless the driver requests four bit mode.
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// When not in use, unlike our previous SPI work, no bits will
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// When not in use, unlike our previous SPI work, no bits will
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// toggle.
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// toggle.
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//
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//
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// Creator: Dan Gisselquist
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// Creator: Dan Gisselquist, Ph.D.
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// Gisselquist Technology, LLC
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// Gisselquist Technology, LLC
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//
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//
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///////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Copyright (C) 2015-2016, Gisselquist Technology, LLC
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// Copyright (C) 2015-2017, Gisselquist Technology, LLC
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//
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//
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// This program is free software (firmware): you can redistribute it and/or
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// This program is free software (firmware): you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
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// modify it under the terms of the GNU General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or (at
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// by the Free Software Foundation, either version 3 of the License, or (at
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// your option) any later version.
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// your option) any later version.
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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// for more details.
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//
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//
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// You should have received a copy of the GNU General Public License along
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// You should have received a copy of the GNU General Public License along
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// with this program. (It's in the $(ROOT)/doc directory, run make with no
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// with this program. (It's in the $(ROOT)/doc directory. Run make with no
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// target there if the PDF file isn't present.) If not, see
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// target there if the PDF file isn't present.) If not, see
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// <http://www.gnu.org/licenses/> for a copy.
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// <http://www.gnu.org/licenses/> for a copy.
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//
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//
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// License: GPL, v3, as defined and found on www.gnu.org,
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// License: GPL, v3, as defined and found on www.gnu.org,
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// http://www.gnu.org/licenses/gpl.html
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// http://www.gnu.org/licenses/gpl.html
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//
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//
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//
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//
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///////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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`define EQSPI_IDLE 3'h0
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`define EQSPI_IDLE 3'h0
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`define EQSPI_START 3'h1
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`define EQSPI_START 3'h1
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`define EQSPI_BITS 3'h2
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`define EQSPI_BITS 3'h2
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`define EQSPI_READY 3'h3
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`define EQSPI_READY 3'h3
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`define EQSPI_HOLDING 3'h4
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`define EQSPI_HOLDING 3'h4
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