49 lines
2.0 KiB
C
49 lines
2.0 KiB
C
/* $NetBSD: tftreg.h,v 1.1 2006/12/02 22:18:47 freza Exp $ */
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/*
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* Copyright (c) 2006 Jachym Holecek
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* All rights reserved.
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*
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* Written for DFC Design, s.r.o.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _VIRTEX_DEV_LLFBREG_H_
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#define _VIRTEX_DEV_LLFBREG_H_
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#define TFT_SIZE 8
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/* Used by PLB version, ignored in CDMAC version. */
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#define TFT_ADDR 0x0000 /* Framebuffer in RAM */
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#define ADDR_MASK 0xffe00000 /* High 11bits decoded */
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#define ADDR_ALIGN (~ADDR_MASK + 1)
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#define ADDR_MAKE(addr) ((addr) >> 21) /* Write only useful bits */
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#define TFT_CTRL 0x0004
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#define CTRL_RESET 0x80000000 /* Software reset */
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#define CTRL_REVERSE 0x00000002 /* Reverse scan direction */
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#define CTRL_ENABLE 0x00000001
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#endif /* _VIRTEX_DEV_LLFBREG_H_ */
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