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x86: broadwell: Correct I/O APIC ID

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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>
This commit is contained in:
Bin Meng 2016-05-22 01:45:35 -07:00
parent 911d6f6932
commit b813ea9a14
1 changed files with 2 additions and 1 deletions
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3
arch/x86/cpu/broadwell/pch.c
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@ -109,7 +109,8 @@ static void pch_enable_ioapic(void)
{
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);