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| author | Bin Meng <bmeng.cn@gmail.com> | 2016-05-22 01:45:35 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-05-23 15:27:42 +0800 |
| commit | b813ea9a14eaa9a6c071a9ab48a18d9a17dcef08 (patch) | |
| tree | a7c79b750494abd26a81646aaa4d91ff62d0cf70 /arch/x86 | |
| parent | 911d6f693292dbf9b54de43f18ac95427e9accd8 (diff) | |
| download | blackbird-obmc-uboot-b813ea9a14eaa9a6c071a9ab48a18d9a17dcef08.tar.gz blackbird-obmc-uboot-b813ea9a14eaa9a6c071a9ab48a18d9a17dcef08.zip | |
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>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/cpu/broadwell/pch.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/cpu/broadwell/pch.c b/arch/x86/cpu/broadwell/pch.c index f0798a7f9e..317f57d3f9 100644 --- a/arch/x86/cpu/broadwell/pch.c +++ b/arch/x86/cpu/broadwell/pch.c @@ -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); |
