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3 commits

Author SHA1 Message Date
Bin Meng
3d23287828 x86: Add I/O APIC register access routines 
I/O APIC registers are addressed indirectly. Add io_apic_read() and
io_apic_write() routines to help register access. Two macros for I/O
APIC ID and version register offset are also added.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
 2015-07-14 18:03:17 -06:00
Bin Meng
ba9091f55d x86: Clean up ioapic header file 
Remove all the dead/unused macros from asm/ioapic.h.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
 2015-07-14 18:03:17 -06:00
Simon Glass
a2f5d091cc x86: Add ioapic.h header 
Add definitions for the I/O Advanced Peripheral Interrupt Controller.

Signed-off-by: Simon Glass <sjg@chromium.org>
 2014-11-25 06:33:59 -07:00