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-rw-r--r--src/soc/amd/phoenix/early_fch.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/soc/amd/phoenix/early_fch.c b/src/soc/amd/phoenix/early_fch.c
index d74ef3e30f..bcfddb2241 100644
--- a/src/soc/amd/phoenix/early_fch.c
+++ b/src/soc/amd/phoenix/early_fch.c
@@ -19,9 +19,12 @@
/* Before console init */
void fch_pre_init(void)
{
- /* Enable_acpimmio_decode_pm04 to enable the ACPIMMIO decode which is needed to access
- the GPIO registers. */
- enable_acpimmio_decode_pm04();
+ /*
+ * PM_04_ACPIMMIO_DECODE_EN which enables the ACPIMMIO decode is already set after
+ * reset. Since the IO port based indirect PM register space access isn't implemented
+ * in Phoenix any more, don't call enable_acpimmio_decode_pm04() which uses the
+ * indirect PM register space access via the IO ports that aren't implemented any more.
+ */
/* Setup SPI base by calling lpc_early_init before setting up eSPI. */
lpc_early_init();