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-rw-r--r--src/cpu/amd/agesa/s3_resume.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/cpu/amd/agesa/s3_resume.c b/src/cpu/amd/agesa/s3_resume.c
index 7069c77f1a..5b4c2c3d42 100644
--- a/src/cpu/amd/agesa/s3_resume.c
+++ b/src/cpu/amd/agesa/s3_resume.c
@@ -168,6 +168,8 @@ void OemAgesaSaveMtrr(void)
flash->spi->rw = SPI_WRITE_FLAG;
spi_claim_bus(flash->spi);
+ flash->erase(flash, S3_DATA_MTRR_POS, S3_DATA_MTRR_SIZE);
+
/* Enable access to AMD RdDram and WrDram extension bits */
msr_data = rdmsr(SYS_CFG);
msr_data.lo |= SYSCFG_MSR_MtrrFixDramModEn;