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__ */