diff options
Diffstat (limited to 'src/soc/intel/fsp_baytrail/baytrail/gfx.h')
| -rw-r--r-- | src/soc/intel/fsp_baytrail/baytrail/gfx.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/soc/intel/fsp_baytrail/baytrail/gfx.h b/src/soc/intel/fsp_baytrail/baytrail/gfx.h new file mode 100644 index 0000000000..655615d37c --- /dev/null +++ b/src/soc/intel/fsp_baytrail/baytrail/gfx.h @@ -0,0 +1,48 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _BAYTRAIL_GFX_H_ +#define _BAYTRAIL_GFX_H_ + +/* + * PCI config registers. + */ + +#define GGC 0x50 +# define GGC_VGA_DISABLE (1 << 1) +# define GGC_GTT_SIZE_MASK (3 << 8) +# define GGC_GTT_SIZE_0MB (0 << 8) +# define GGC_GTT_SIZE_1MB (1 << 8) +# define GGC_GTT_SIZE_2MB (2 << 8) +# define GGC_GSM_SIZE_MASK (0x1f << 3) +# define GGC_GSM_SIZE_0MB (0 << 3) +# define GGC_GSM_SIZE_32MB (1 << 3) +# define GGC_GSM_SIZE_64MB (2 << 3) +# define GGC_GSM_SIZE_128MB (4 << 3) + +#define GSM_BASE 0x5c +#define GTT_BASE 0x70 + +#define MSAC 0x62 +#define APERTURE_SIZE_MASK (3 << 1) +#define APERTURE_SIZE_128MB (0 << 1) +#define APERTURE_SIZE_256MB (1 << 1) +#define APERTURE_SIZE_512MB (3 << 1) + +#endif /* _BAYTRAIL_GFX_H_ */ |