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authorLinus Torvalds <torvalds@linux-foundation.org>2018-01-13 13:14:54 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-01-13 13:14:54 -0800
commit8e66791a80abd0e86ac1995395129791eefe50b5 (patch)
tree3a74d712f47818c9e9f8517251532ac35d88060e /arch/x86/include
parented93de8420a342785da7585b06c107ae32f73b2b (diff)
parent03a551734cfc2b93f83950a595974e3c9cbd82fd (diff)
downloadlinux-8e66791a80abd0e86ac1995395129791eefe50b5.tar.gz
Merge tag 'pci-v4.15-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
 "Fix AMD boot regression due to 64-bit window conflicting with system
  memory (Christian König)"

* tag 'pci-v4.15-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  x86/PCI: Move and shrink AMD 64-bit window to avoid conflict
  x86/PCI: Add "pci=big_root_window" option for AMD 64-bit windows
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/pci_x86.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
index 7a5d6695abd3..eb66fa9cd0fc 100644
--- a/arch/x86/include/asm/pci_x86.h
+++ b/arch/x86/include/asm/pci_x86.h
@@ -38,6 +38,7 @@ do {						\
 #define PCI_NOASSIGN_ROMS	0x80000
 #define PCI_ROOT_NO_CRS		0x100000
 #define PCI_NOASSIGN_BARS	0x200000
+#define PCI_BIG_ROOT_WINDOW	0x400000
 
 extern unsigned int pci_probe;
 extern unsigned long pirq_table_addr;