diff options
Diffstat (limited to 'src/northbridge/intel/sandybridge/hostbridge_regs.h')
-rw-r--r-- | src/northbridge/intel/sandybridge/hostbridge_regs.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/northbridge/intel/sandybridge/hostbridge_regs.h b/src/northbridge/intel/sandybridge/hostbridge_regs.h new file mode 100644 index 0000000000..00d37d4a6d --- /dev/null +++ b/src/northbridge/intel/sandybridge/hostbridge_regs.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __SANDYBRIDGE_HOSTBRIDGE_REGS_H__ +#define __SANDYBRIDGE_HOSTBRIDGE_REGS_H__ + +#define EPBAR 0x40 +#define MCHBAR 0x48 + +#define GGC 0x50 /* GMCH Graphics Control */ +#define DEVEN 0x54 /* Device Enable */ +#define DEVEN_D7EN (1 << 14) +#define DEVEN_PEG60 (1 << 13) +#define DEVEN_D4EN (1 << 7) +#define DEVEN_IGD (1 << 4) +#define DEVEN_PEG10 (1 << 3) +#define DEVEN_PEG11 (1 << 2) +#define DEVEN_PEG12 (1 << 1) +#define DEVEN_HOST (1 << 0) + +#define PAVPC 0x58 /* Protected Audio Video Path Control */ +#define DPR 0x5c /* DMA Protected Range */ + +#define PCIEXBAR 0x60 +#define DMIBAR 0x68 + +#define MESEG_BASE 0x70 +#define MESEG_MASK 0x78 +#define MELCK (1 << 10) /* ME Range Lock */ +#define ME_STLEN_EN (1 << 11) /* ME Stolen Memory Enable */ + +#define PAM0 0x80 +#define PAM1 0x81 +#define PAM2 0x82 +#define PAM3 0x83 +#define PAM4 0x84 +#define PAM5 0x85 +#define PAM6 0x86 + +#define LAC 0x87 /* Legacy Access Control */ +#define SMRAM 0x88 /* System Management RAM Control */ + +#define REMAPBASE 0x90 +#define REMAPLIMIT 0x98 +#define TOM 0xa0 +#define TOUUD 0xa8 /* Top of Upper Usable DRAM */ +#define BDSM 0xb0 /* Base Data of Stolen Memory */ +#define BGSM 0xb4 /* Base GTT Stolen Memory */ +#define TSEGMB 0xb8 /* TSEG Memory Base */ +#define TOLUD 0xbc /* Top of Low Used Memory */ + +#define CAPID0_A 0xe4 /* Capabilities Register A */ +#define CAPID0_B 0xe8 /* Capabilities Register B */ + +#define SKPAD 0xdc /* Scratchpad Data */ + +#define DIDOR 0xf3 /* Device ID override, for debug and samples only */ + +#endif /* __SANDYBRIDGE_HOSTBRIDGE_REGS_H__ */ |