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-rw-r--r--src/include/device/pci_ids.h1
-rw-r--r--src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/src/include/device/pci_ids.h b/src/include/device/pci_ids.h
index 4ced4a5b27..bde150f304 100644
--- a/src/include/device/pci_ids.h
+++ b/src/include/device/pci_ids.h
@@ -782,6 +782,7 @@
#define PCI_VENDOR_ID_TI 0x104c
#define PCI_DEVICE_ID_TI_TVP4010 0x3d04
#define PCI_DEVICE_ID_TI_TVP4020 0x3d07
+#define PCI_DEVICE_ID_TI_XIO2001 0x8240
#define PCI_DEVICE_ID_TI_1130 0xac12
#define PCI_DEVICE_ID_TI_1031 0xac13
#define PCI_DEVICE_ID_TI_1131 0xac15
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c
index 540e322b95..da01ce3905 100644
--- a/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c
@@ -15,6 +15,8 @@
#include <bootstate.h>
#include <console/console.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
#include <gpio.h>
#include <hwilib.h>
#include <intelblocks/lpc_lib.h>
@@ -28,6 +30,7 @@
void variant_mainboard_final(void)
{
int status;
+ struct device *dev = NULL;
/*
* Set up the DP2LVDS converter.
@@ -47,6 +50,11 @@ void variant_mainboard_final(void)
* INTA#->PIRQB#, INTB#->PIRQC#, INTC#->PIRQD#, INTD#-> PIRQA#
*/
pcr_write16(PID_ITSS, 0x314c, 0x0321);
+
+ /* Disable clock outputs 1-5 (CLKOUT) for XIO2001 PCIe to PCI Bridge. */
+ dev = dev_find_device(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XIO2001, 0);
+ if (dev)
+ pci_write_config8(dev, 0xd8, 0x3e);
}
static void wait_for_legacy_dev(void *unused)