x86: broadwell: Correct I/O APIC ID
Currently ID 2 is assgined to broadwell I/O APIC, however per
chromebook_samus.dts 2 is the core#2 LAPIC ID. Now we change
I/O APIC ID to 4 to avoid conflict.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/cpu/broadwell/pch.c b/arch/x86/cpu/broadwell/pch.c
index f0798a7..317f57d 100644
--- a/arch/x86/cpu/broadwell/pch.c
+++ b/arch/x86/cpu/broadwell/pch.c
@@ -109,7 +109,8 @@
{
u32 reg32;
- io_apic_set_id(0x02);
+ /* Make sure this is a unique ID within system */
+ io_apic_set_id(0x04);
/* affirm full set of redirection table entries ("write once") */
reg32 = io_apic_read(0x01);