x86: Allow interrupt to happen once
At present the interrupt table is included in all phases of U-Boot. Allow
it to be omitted, e.g. in TPL, to reduce size.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/lib/pirq_routing.c b/arch/x86/lib/pirq_routing.c
index e5f0e61..17bd2fc 100644
--- a/arch/x86/lib/pirq_routing.c
+++ b/arch/x86/lib/pirq_routing.c
@@ -10,6 +10,8 @@
#include <asm/pci.h>
#include <asm/pirq_routing.h>
+DECLARE_GLOBAL_DATA_PTR;
+
static u8 pirq_get_next_free_irq(struct udevice *dev, u8 *pirq, u16 bitmap,
bool irq_already_routed[])
{
@@ -131,3 +133,11 @@
return addr + rt->size;
}
+
+ulong write_pirq_routing_table(ulong addr)
+{
+ if (!gd->arch.pirq_routing_table)
+ return addr;
+
+ return copy_pirq_routing_table(addr, gd->arch.pirq_routing_table);
+}