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authorZheng Bao <fishbaozi@gmail.com>2015-11-09 20:13:19 +0800
committerZheng Bao <zheng.bao@amd.com>2015-11-12 09:25:45 +0100
commit266609968b94c9b739dedcb6861ea1b50f34be85 (patch)
tree76c1c0102212b6e7ee7e851495bfb5805c6c0b6a /src/northbridge/rdc/r8610
parent83b776137399bcfa9427e7a60d5f1620ee2d1985 (diff)
downloadcoreboot-266609968b94c9b739dedcb6861ea1b50f34be85.tar.xz
AMD/Kabini: Fix the interrupt routing
The plugged devices on PCIe should use IOAPIC2 instead of standard IOAPIC1. The entries in IOAPIC2 count from the end of IOAPIC1. The unchanged code worked because the OS uses MSI instead APIC. To test that, boot linux with parameter pci=nomsi and see if the devices like NIC work well as they do without the booting parameter. run 'cat /proc/interrupts' to see if the devices actually use no-msi. Change-Id: Id6d35224312aeb6e3a175ec9990e0bb34bad67e7 Signed-off-by: Zheng Bao <fishbaozi@gmail.com> Reviewed-on: http://review.coreboot.org/12362 Tested-by: build bot (Jenkins) Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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