diff options
Diffstat (limited to 'src/northbridge/intel/nehalem/raminit.c')
| -rw-r--r-- | src/northbridge/intel/nehalem/raminit.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/northbridge/intel/nehalem/raminit.c b/src/northbridge/intel/nehalem/raminit.c index 46189117a7..c887de1d98 100644 --- a/src/northbridge/intel/nehalem/raminit.c +++ b/src/northbridge/intel/nehalem/raminit.c @@ -36,6 +36,7 @@ #include <cpu/intel/turbo.h> #include <mrc_cache.h> #include <southbridge/intel/ibexpeak/me.h> +#include <southbridge/intel/common/pmbase.h> #include <delay.h> #include <types.h> @@ -4246,6 +4247,11 @@ void raminit(const int s3resume, const u8 *spd_addrmap) MCHBAR8(0x2ca8) = MCHBAR8(0x2ca8) + 4; // "+" or "|"? /* This issues a CPU reset without resetting the platform */ printk(BIOS_DEBUG, "Issuing a CPU reset\n"); + /* Write back the S3 state to PM1_CNT to let the reset CPU + know it also needs to take the s3 path. */ + if (s3resume) + write_pmbase32(PM1_CNT, read_pmbase32(PM1_CNT) + | (SLP_TYP_S3 << 10)); MCHBAR32_OR(0x1af0, 0x10); halt(); } |