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-rw-r--r--src/mainboard/siemens/mc_bdx1/mainboard.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mainboard/siemens/mc_bdx1/mainboard.c b/src/mainboard/siemens/mc_bdx1/mainboard.c
index 8a5226b09f..fe35fe1c14 100644
--- a/src/mainboard/siemens/mc_bdx1/mainboard.c
+++ b/src/mainboard/siemens/mc_bdx1/mainboard.c
@@ -33,6 +33,7 @@
#include <i210.h>
#include <soc/pci_devs.h>
#include <soc/irq.h>
+#include <soc/lpc.h>
#define MAX_PATH_DEPTH 12
#define MAX_NUM_MAPPINGS 10
@@ -102,6 +103,10 @@ static void mainboard_init(void *chip_info)
actl &= ~SCIS_MASK;
actl |= SCIS_IRQ10;
pci_write_config8(dev, ACPI_CNTL_OFFSET, actl);
+
+ /* Enable additional I/O decoding ranges on LPC for COM 3 and COM 4 */
+ pci_write_config32(dev, LPC_GEN1_DEC, 0x1C02E9);
+ pci_write_config32(dev, LPC_GEN2_DEC, 0x1C03E9);
}
static void mainboard_final(void *chip_info)