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      1 /* 	$NetBSD: tftreg.h,v 1.1 2006/12/02 22:18:47 freza Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2006 Jachym Holecek
      5  * All rights reserved.
      6  *
      7  * Written for DFC Design, s.r.o.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  *
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  *
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _VIRTEX_DEV_LLFBREG_H_
     33 #define _VIRTEX_DEV_LLFBREG_H_
     34 
     35 #define TFT_SIZE 		8
     36 
     37 /* Used by PLB version, ignored in CDMAC version. */
     38 #define TFT_ADDR 		0x0000 		/* Framebuffer in RAM */
     39 #define ADDR_MASK 		0xffe00000 	/* High 11bits decoded */
     40 #define ADDR_ALIGN 		(~ADDR_MASK + 1)
     41 #define ADDR_MAKE(addr) 	((addr) >> 21) 	/* Write only useful bits */
     42 
     43 #define TFT_CTRL 		0x0004
     44 #define CTRL_RESET 		0x80000000 	/* Software reset */
     45 #define CTRL_REVERSE 		0x00000002 	/* Reverse scan direction */
     46 #define CTRL_ENABLE 		0x00000001
     47 
     48 #endif /* _VIRTEX_DEV_LLFBREG_H_ */
     49