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Diffstat (limited to 'src/southbridge/intel/i82801dx/lpc.c')
-rw-r--r--src/southbridge/intel/i82801dx/lpc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801dx/lpc.c b/src/southbridge/intel/i82801dx/lpc.c
index 69ec110d6e..cf4e132e3b 100644
--- a/src/southbridge/intel/i82801dx/lpc.c
+++ b/src/southbridge/intel/i82801dx/lpc.c
@@ -68,6 +68,12 @@ static void i82801dx_enable_ioapic(struct device *dev)
printk(BIOS_DEBUG, "IOAPIC Southbridge enabled %x\n", reg32);
set_ioapic_id(IO_APIC_ADDR, 0x02);
+
+ /*
+ * Select Boot Configuration register (0x03) and
+ * use Processor System Bus (0x01) to deliver interrupts.
+ */
+ io_apic_write(IO_APIC_ADDR, 0x03, 0x01);
}
static void i82801dx_enable_serial_irqs(struct device *dev)