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-rw-r--r--src/acpi/acpi.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/acpi/acpi.c b/src/acpi/acpi.c
index 456fd332dc..26552982e2 100644
--- a/src/acpi/acpi.c
+++ b/src/acpi/acpi.c
@@ -18,6 +18,7 @@
#include <acpi/acpi.h>
#include <acpi/acpi_ivrs.h>
#include <acpi/acpigen.h>
+#include <arch/mmio.h>
#include <device/pci.h>
#include <cbmem.h>
#include <commonlib/helpers.h>
@@ -850,7 +851,7 @@ void acpi_create_hpet(acpi_hpet_t *hpet)
addr->addrl = CONFIG_HPET_ADDRESS & 0xffffffff;
addr->addrh = ((unsigned long long)CONFIG_HPET_ADDRESS) >> 32;
- hpet->id = *(unsigned int *)CONFIG_HPET_ADDRESS;
+ hpet->id = read32p(CONFIG_HPET_ADDRESS);
hpet->number = 0;
hpet->min_tick = CONFIG_HPET_MIN_TICKS;