x86: add PCI extended config space access for AMD Barcelona

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This patch implements PCI extended configuration space access for
AMD's Barcelona CPUs. It extends the method using CF8/CFC IO
addresses. An x86 capability bit has been introduced that is set for
CPUs supporting PCI extended config space accesses.

Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Robert Richter 2007-09-03 10:17:39 +02:00 • committed by Ingo Molnar

parent 1c47cd638e

commit 831d991821

7 changed files with 65 additions and 6 deletions

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4

arch/x86/kernel/cpu/amd.c

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3

arch/x86/kernel/cpu/amd_64.c

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13

arch/x86/kernel/setup.c

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26

arch/x86/kernel/setup.h

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arch/x86/kernel/setup_64.c

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21

arch/x86/pci/direct.c

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2

include/asm-x86/cpufeature.h

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