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-rw-r--r--src/soc/intel/baytrail/northcluster.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/soc/intel/baytrail/northcluster.c b/src/soc/intel/baytrail/northcluster.c
index 55ace5911d..c8ba9c15ff 100644
--- a/src/soc/intel/baytrail/northcluster.c
+++ b/src/soc/intel/baytrail/northcluster.c
@@ -20,7 +20,7 @@
#include <device/pci_ids.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include <arch/acpi.h>
-
+#include <stddef.h>
#include <soc/iomap.h>
#include <soc/iosf.h>
#include <soc/pci_devs.h>
@@ -65,7 +65,14 @@
uint32_t nc_read_top_of_low_memory(void)
{
- return iosf_bunit_read(BUNIT_BMBOUND) & ~((1 << 27) - 1);
+ MAYBE_STATIC uint32_t tolm = 0;
+
+ if (tolm)
+ return tolm;
+
+ tolm = iosf_bunit_read(BUNIT_BMBOUND) & ~((1 << 27) - 1);
+
+ return tolm;
}
static void nc_read_resources(device_t dev)