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-rw-r--r--src/southbridge/amd/cs5536/cs5536_early_setup.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/southbridge/amd/cs5536/cs5536_early_setup.c b/src/southbridge/amd/cs5536/cs5536_early_setup.c
index ff31f76235..99cc5d28c5 100644
--- a/src/southbridge/amd/cs5536/cs5536_early_setup.c
+++ b/src/southbridge/amd/cs5536/cs5536_early_setup.c
@@ -155,6 +155,15 @@ static void dummy(void)
{
}
+/* see page 412 of the cs5536 companion book */
+static int cs5536_setup_onchipuart(void) {
+ msr_t msr;
+ msr.lo = 2;
+ msr.hi = 0;
+ wrmsr(0x5160003a, msr);
+ wrmsr(0x5160003e, msr);
+}
+
static int cs5536_early_setup(void)
{
msr_t msr;