diff options
Diffstat (limited to 'sys/dev/agp/agpreg.h')
| -rw-r--r-- | sys/dev/agp/agpreg.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/sys/dev/agp/agpreg.h b/sys/dev/agp/agpreg.h index 1914dc4..3850444 100644 --- a/sys/dev/agp/agpreg.h +++ b/sys/dev/agp/agpreg.h @@ -180,11 +180,19 @@ * Memory mapped register offsets for i810 chipset. */ #define AGP_I810_PGTBL_CTL 0x2020 +/** + * This field determines the actual size of the global GTT on the 965 + * and G33 + */ +#define AGP_I810_PGTBL_SIZE_MASK 0x0000000e +#define AGP_I810_PGTBL_SIZE_512KB (0 << 1) +#define AGP_I810_PGTBL_SIZE_256KB (1 << 1) +#define AGP_I810_PGTBL_SIZE_128KB (2 << 1) #define AGP_I810_DRT 0x3000 #define AGP_I810_DRT_UNPOPULATED 0x00 #define AGP_I810_DRT_POPULATED 0x01 #define AGP_I810_GTT 0x10000 - + /* * Config registers for i830MG device 0 */ @@ -192,7 +200,7 @@ #define AGP_I830_GCC1_DEV2 0x08 #define AGP_I830_GCC1_DEV2_ENABLED 0x00 #define AGP_I830_GCC1_DEV2_DISABLED 0x08 -#define AGP_I830_GCC1_GMS 0x70 +#define AGP_I830_GCC1_GMS 0xf0 /* Top bit reserved pre-G33 */ #define AGP_I830_GCC1_GMS_STOLEN_512 0x20 #define AGP_I830_GCC1_GMS_STOLEN_1024 0x30 #define AGP_I830_GCC1_GMS_STOLEN_8192 0x40 @@ -244,6 +252,21 @@ #define AGP_I915_MSAC_GMASIZE_256 0x00 /* + * G965 registers + */ +#define AGP_I965_GTTMMADR 0x10 +#define AGP_I965_MSAC 0x62 +#define AGP_I965_MSAC_GMASIZE_128 0x00 +#define AGP_I965_MSAC_GMASIZE_256 0x02 +#define AGP_I965_MSAC_GMASIZE_512 0x06 + +/* + * G33 registers + */ +#define AGP_G33_GCC1_GMS_STOLEN_128M 0x80 +#define AGP_G33_GCC1_GMS_STOLEN_256M 0x90 + +/* * NVIDIA nForce/nForce2 registers */ #define AGP_NVIDIA_0_APBASE 0x10 |
