Files
netbsd/sys/arch/evbppc/virtex/dev/tftreg.h
2013-04-06 16:48:33 +02:00

49 lines
2.0 KiB
C

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