xref: /netbsd-src/sys/arch/evbppc/virtex/dev/tftreg.h (revision e388b581bda9d091aa50b0ea5e04ad26708acd88)
1*e388b581Sfreza /* 	$NetBSD: tftreg.h,v 1.1 2006/12/02 22:18:47 freza Exp $ */
2*e388b581Sfreza 
3*e388b581Sfreza /*
4*e388b581Sfreza  * Copyright (c) 2006 Jachym Holecek
5*e388b581Sfreza  * All rights reserved.
6*e388b581Sfreza  *
7*e388b581Sfreza  * Written for DFC Design, s.r.o.
8*e388b581Sfreza  *
9*e388b581Sfreza  * Redistribution and use in source and binary forms, with or without
10*e388b581Sfreza  * modification, are permitted provided that the following conditions
11*e388b581Sfreza  * are met:
12*e388b581Sfreza  *
13*e388b581Sfreza  * 1. Redistributions of source code must retain the above copyright
14*e388b581Sfreza  *    notice, this list of conditions and the following disclaimer.
15*e388b581Sfreza  *
16*e388b581Sfreza  * 2. Redistributions in binary form must reproduce the above copyright
17*e388b581Sfreza  *    notice, this list of conditions and the following disclaimer in the
18*e388b581Sfreza  *    documentation and/or other materials provided with the distribution.
19*e388b581Sfreza  *
20*e388b581Sfreza  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21*e388b581Sfreza  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22*e388b581Sfreza  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23*e388b581Sfreza  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24*e388b581Sfreza  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25*e388b581Sfreza  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26*e388b581Sfreza  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27*e388b581Sfreza  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28*e388b581Sfreza  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29*e388b581Sfreza  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30*e388b581Sfreza  */
31*e388b581Sfreza 
32*e388b581Sfreza #ifndef _VIRTEX_DEV_LLFBREG_H_
33*e388b581Sfreza #define _VIRTEX_DEV_LLFBREG_H_
34*e388b581Sfreza 
35*e388b581Sfreza #define TFT_SIZE 		8
36*e388b581Sfreza 
37*e388b581Sfreza /* Used by PLB version, ignored in CDMAC version. */
38*e388b581Sfreza #define TFT_ADDR 		0x0000 		/* Framebuffer in RAM */
39*e388b581Sfreza #define ADDR_MASK 		0xffe00000 	/* High 11bits decoded */
40*e388b581Sfreza #define ADDR_ALIGN 		(~ADDR_MASK + 1)
41*e388b581Sfreza #define ADDR_MAKE(addr) 	((addr) >> 21) 	/* Write only useful bits */
42*e388b581Sfreza 
43*e388b581Sfreza #define TFT_CTRL 		0x0004
44*e388b581Sfreza #define CTRL_RESET 		0x80000000 	/* Software reset */
45*e388b581Sfreza #define CTRL_REVERSE 		0x00000002 	/* Reverse scan direction */
46*e388b581Sfreza #define CTRL_ENABLE 		0x00000001
47*e388b581Sfreza 
48*e388b581Sfreza #endif /* _VIRTEX_DEV_LLFBREG_H_ */
49