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rd890: clear IO-APIC before setup

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Add function "clear_ioapic" before "setup_ioapic" for RD890 northbridge
like it is done for SB700 and SB800 chipsets ("amd/cimx/sb{7,8}00").

No functionality change is noticed.

Change-Id: I1fd87692d8bf35c166141c9b7a6a1e748c19a636
Signed-off-by: Aladyshev Konstantin <aladyshev@nicevt.ru>
Reviewed-on: http://review.coreboot.org/2045
Tested-by: build bot (Jenkins)
Reviewed-by: Zheng Bao <zheng.bao@amd.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Aladyshev Konstantin 2012-12-18 22:44:01 +04:00 • committed by Ronald G. Minnich
commit 9027845d65
1 changed files with 1 additions and 0 deletions
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src/northbridge/amd/cimx/rd890/late.c
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@ -123,6 +123,7 @@ static void ioapic_init(struct device *dev)
pci_write_config32(dev, 0xF8, 0x1);
ioapic_base = pci_read_config32(dev, 0xFC) & 0xfffffff0;
clear_ioapic(ioapic_base);
setup_ioapic(ioapic_base, 1);
}