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Diffstat (limited to 'src/southbridge/intel/i82801dx/lpc.c')
-rw-r--r--src/southbridge/intel/i82801dx/lpc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801dx/lpc.c b/src/southbridge/intel/i82801dx/lpc.c
index 3c74e98f59..94d8e14eb3 100644
--- a/src/southbridge/intel/i82801dx/lpc.c
+++ b/src/southbridge/intel/i82801dx/lpc.c
@@ -299,6 +299,12 @@ static void lpc_init(struct device *dev)
/* Initialize the High Precision Event Timers */
enable_hpet(dev);
+
+ /* Don't allow evil boot loaders, kernels, or
+ * userspace applications to deceive us:
+ */
+ if (CONFIG(HAVE_SMI_HANDLER))
+ aseg_smm_lock();
}
static void i82801dx_lpc_read_resources(struct device *dev)