xref: /openbmc/linux/include/video/pmag-ba-fb.h (revision 55fd7e02)
1 /*
2  *	linux/include/video/pmag-ba-fb.h
3  *
4  *	TURBOchannel PMAG-BA Color Frame Buffer (CFB) card support,
5  *	Copyright (C) 1999, 2000, 2001 by
6  *	Michael Engel <engel@unix-ag.org>,
7  *	Karsten Merker <merker@linuxtag.org>
8  *	Copyright (c) 2005  Maciej W. Rozycki
9  *
10  *	This file is subject to the terms and conditions of the GNU General
11  *	Public License.  See the file COPYING in the main directory of this
12  *	archive for more details.
13  */
14 
15 /* IOmem resource offsets.  */
16 #define PMAG_BA_FBMEM		0x000000	/* frame buffer */
17 #define PMAG_BA_BT459		0x200000	/* Bt459 RAMDAC */
18 #define PMAG_BA_IRQ		0x300000	/* IRQ acknowledge */
19 #define PMAG_BA_ROM		0x380000	/* REX option ROM */
20 #define PMAG_BA_BT438		0x380000	/* Bt438 clock chip reset */
21 #define PMAG_BA_SIZE		0x400000	/* address space size */
22 
23 /* Bt459 register offsets, byte-wide registers.  */
24 #define BT459_ADDR_LO		0x0		/* address low */
25 #define BT459_ADDR_HI		0x4		/* address high */
26 #define BT459_DATA		0x8		/* data window register */
27 #define BT459_CMAP		0xc		/* color map window register */
28