diff options
author | Angel Pons <th3fanbus@gmail.com> | 2020-07-22 00:55:38 +0200 |
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committer | Angel Pons <th3fanbus@gmail.com> | 2020-07-24 23:18:27 +0000 |
commit | e220e311276a976f045194adc8d0fe3da78b0555 (patch) | |
tree | b462fa40e983e28e7aef75c6d2c803b8cf6e863f /src/northbridge/intel/haswell/hostbridge_regs.h | |
parent | ad247ac5d8ef4a38bd1d61fbd28076f343a46c5c (diff) |
nb/intel/haswell: Put host bridge registers into its own file
Tested with BUILD_TIMELESS=1, Asrock B85M Pro4 remains identical.
Change-Id: I1d3a32a9386c0dee65eea6f9d0a2520d5e800db1
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43690
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/northbridge/intel/haswell/hostbridge_regs.h')
-rw-r--r-- | src/northbridge/intel/haswell/hostbridge_regs.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/northbridge/intel/haswell/hostbridge_regs.h b/src/northbridge/intel/haswell/hostbridge_regs.h new file mode 100644 index 0000000000..b462a09a69 --- /dev/null +++ b/src/northbridge/intel/haswell/hostbridge_regs.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __HASWELL_HOSTBRIDGE_REGS_H__ +#define __HASWELL_HOSTBRIDGE_REGS_H__ + +#define EPBAR 0x40 +#define MCHBAR 0x48 +#define PCIEXBAR 0x60 +#define DMIBAR 0x68 + +#define GGC 0x50 /* GMCH Graphics Control */ +#define GGC_DISABLE_VGA_IO_DECODE (1 << 1) +#define GGC_IGD_MEM_IN_32MB_UNITS(x) (((x) & 0x1f) << 3) +#define GGC_GTT_0MB (0 << 8) +#define GGC_GTT_1MB (1 << 8) +#define GGC_GTT_2MB (2 << 8) + +#define DEVEN 0x54 /* Device Enable */ +#define DEVEN_D7EN (1 << 14) +#define DEVEN_D4EN (1 << 7) +#define DEVEN_D3EN (1 << 5) +#define DEVEN_D2EN (1 << 4) +#define DEVEN_D1F0EN (1 << 3) +#define DEVEN_D1F1EN (1 << 2) +#define DEVEN_D1F2EN (1 << 1) +#define DEVEN_D0EN (1 << 0) + +#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 D_OPEN (1 << 6) +#define D_CLS (1 << 5) +#define D_LCK (1 << 4) +#define G_SMRAME (1 << 3) +#define C_BASE_SEG ((0 << 2) | (1 << 1) | (0 << 0)) + +#define MESEG_BASE 0x70 /* Management Engine Base */ +#define MESEG_LIMIT 0x78 /* Management Engine Limit */ +#define REMAPBASE 0x90 /* Remap base */ +#define REMAPLIMIT 0x98 /* Remap limit */ +#define TOM 0xa0 /* Top of DRAM in memory controller space */ +#define TOUUD 0xa8 /* Top of Upper Usable DRAM */ +#define BDSM 0xb0 /* Base Data Stolen Memory */ +#define BGSM 0xb4 /* Base GTT Stolen Memory */ +#define TSEG 0xb8 /* TSEG base */ +#define TOLUD 0xbc /* Top of Low Used Memory */ + +#define SKPAD 0xdc /* Scratchpad Data */ + +#define CAPID0_A 0xe4 +#define VTD_DISABLE (1 << 23) + +#endif /* __HASWELL_HOSTBRIDGE_REGS_H__ */ |