| commit | 8cc39a5fae28c02d344b2401bb489898f369929f | [log] [tgz] |
|---|---|---|
| author | Angel Pons <th3fanbus@gmail.com> | Fri Oct 23 11:00:14 2020 +0200 |
| committer | Angel Pons <th3fanbus@gmail.com> | Sat Oct 24 20:47:17 2020 +0000 |
| tree | 4ebe9106062e999270e8631f3ed1147118c4c5e9 | |
| parent | 97f0d81503be2053a544e80b61732ff5d5479ef0 [diff] [blame] |
nb/intel/haswell/finalize.c: Lock down MC ARB register The Haswell System Agent BIOS Spec revision 0.6.0 indicates this register needs to be locked, and Broadwell already locks it. Tested on Asrock B85M Pro4, still boots and register is locked. Change-Id: Icdeb39e2fdde1403b6ab83faed214addca863f4b Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/46680 Reviewed-by: Nico Huber <nico.h@gmx.de> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/haswell/registers/mchbar.h b/src/northbridge/intel/haswell/registers/mchbar.h index bd99cee..97ae433 100644 --- a/src/northbridge/intel/haswell/registers/mchbar.h +++ b/src/northbridge/intel/haswell/registers/mchbar.h
@@ -47,5 +47,6 @@ #define REQLIM 0x6800 #define DMIVCLIM 0x7000 #define CRDTLCK 0x77fc +#define MCARBLCK 0x7ffc #endif /* __HASWELL_REGISTERS_MCHBAR_H__ */