diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 43ad2cb8b9f5..5c2d9f206d05 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -25,19 +25,6 @@ #ifndef _I915_REG_H_ #define _I915_REG_H_ -/* MCH MMIO space */ -/** 915-945 and GM965 MCH register controlling DRAM channel access */ -#define DCC 0x200 -#define DCC_ADDRESSING_MODE_SINGLE_CHANNEL (0 << 0) -#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC (1 << 0) -#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED (2 << 0) -#define DCC_ADDRESSING_MODE_MASK (3 << 0) -#define DCC_CHANNEL_XOR_DISABLE (1 << 10) - -/** 965 MCH register controlling DRAM channel configuration */ -#define CHDECMISC 0x111 -#define CHDECMISC_FLEXMEMORY (1 << 1) - /* * The Bridge device's PCI config space has information about the * fb aperture size and the amount of pre-reserved memory. @@ -516,6 +503,30 @@ #define PALETTE_A 0x0a000 #define PALETTE_B 0x0a800 +/* MCH MMIO space */ + +/* + * MCHBAR mirror. + * + * This mirrors the MCHBAR MMIO space whose location is determined by + * device 0 function 0's pci config register 0x44 or 0x48 and matches it in + * every way. It is not accessible from the CP register read instructions. + * + */ +#define MCHBAR_MIRROR_BASE 0x10000 + +/** 915-945 and GM965 MCH register controlling DRAM channel access */ +#define DCC 0x10200 +#define DCC_ADDRESSING_MODE_SINGLE_CHANNEL (0 << 0) +#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC (1 << 0) +#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED (2 << 0) +#define DCC_ADDRESSING_MODE_MASK (3 << 0) +#define DCC_CHANNEL_XOR_DISABLE (1 << 10) + +/** 965 MCH register controlling DRAM channel configuration */ +#define C0DRB3 0x10206 +#define C1DRB3 0x10606 + /* * Overlay regs */ |