diff options
Diffstat (limited to 'sys/dev/pci/agpreg.h')
| -rw-r--r-- | sys/dev/pci/agpreg.h | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/sys/dev/pci/agpreg.h b/sys/dev/pci/agpreg.h index 2e3c87a61b3..8ae675f083d 100644 --- a/sys/dev/pci/agpreg.h +++ b/sys/dev/pci/agpreg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: agpreg.h,v 1.7 2007/08/04 19:40:25 reyk Exp $ */ +/* $OpenBSD: agpreg.h,v 1.8 2007/11/25 17:11:12 oga Exp $ */ /* $NetBSD: agpreg.h,v 1.1 2001/09/10 10:01:02 fvdl Exp $ */ /*- @@ -52,20 +52,58 @@ /* * Config offsets for Intel AGP chipsets. */ +/* i845/855PM */ +#define AGP_I845_AGPMISC 0x51 +#define AGPMISC_AAGN (1U << 1) /* Aperture AccessEN */ + +/* i840/850/850E */ +#define AGP_I840_MCHCFG 0x50 +#define MCHCFG_AAGN (1U << 9) /* Aperture AccessEN */ + +/* i82443LX/BX/GX */ #define AGP_INTEL_NBXCFG 0x50 #define AGP_INTEL_STS 0x90 +#define NBXCFG_APAE (1U << 10) /* AGPtoPCI AccessDIS */ +#define NBXCFG_AAGN (1U << 9) /* Aperture AccessEN */ + +/* Error Status for i8XX Chipset */ +#define AGP_INTEL_I8XX_ERRSTS 0xc8 + +/* Common register */ +#define AGP_INTEL_ERRSTS 0x91 /* Not i8XX */ +#define AGP_INTEL_AGPCMD 0xa8 +#define AGPCMD_SBA (1U << 9) +#define AGPCMD_AGPEN (1U << 8) +#define AGPCMD_FWEN (1U << 4) +#define AGPCMD_RATE_1X (1U << 1) +#define AGPCMD_RATE_2X (1U << 2) +#define AGPCMD_RATE_4X (1U << 3) + #define AGP_INTEL_AGPCTRL 0xb0 +#define AGPCTRL_AGPRSE (1U << 13) /* AGPRSE (82443 only)*/ +#define AGPCTRL_GTLB (1U << 7) /* GTLB EN */ + #define AGP_INTEL_APSIZE 0xb4 +#define APSIZE_MASK 0x3f + #define AGP_INTEL_ATTBASE 0xb8 /* - * Config offsets for VIA AGP chipsets. + * Config offsets for VIA AGP 2.x chipsets. */ #define AGP_VIA_GARTCTRL 0x80 #define AGP_VIA_APSIZE 0x84 #define AGP_VIA_ATTBASE 0x88 /* + * Config offsets for VIA AGP 3.0 chipsets. + */ +#define AGP3_VIA_GARTCTRL 0x90 +#define AGP3_VIA_APSIZE 0x94 +#define AGP3_VIA_ATTBASE 0x98 +#define AGP_VIA_AGPSEL 0xfd + +/* * Config offsets for SiS AGP chipsets. */ #define AGP_SIS_ATTBASE 0x90 |