From 5f0db7a2fb78895a197f64e548333b3bbd433996 Mon Sep 17 00:00:00 2001 From: Feng Tang Date: Fri, 14 Aug 2009 15:37:50 -0400 Subject: [PATCH] SFI: Hook PCI MMCONFIG First check ACPI, and if that fails, ask SFI to find the MCFG. Signed-off-by: Feng Tang Signed-off-by: Len Brown Cc: Jesse Barnes --- arch/x86/Kconfig | 2 +- arch/x86/pci/mmconfig-shared.c | 6 ++++-- arch/x86/pci/mmconfig_32.c | 2 +- 3 files changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d8ba42418d33..4c92c91f354b 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1880,7 +1880,7 @@ config PCI_DIRECT config PCI_MMCONFIG def_bool y - depends on X86_32 && PCI && ACPI && (PCI_GOMMCONFIG || PCI_GOANY) + depends on X86_32 && PCI && (ACPI || SFI) && (PCI_GOMMCONFIG || PCI_GOANY) config PCI_OLPC def_bool y diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index b707a0141d3b..602c172d3bd5 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -13,10 +13,12 @@ #include #include #include +#include #include #include #include #include +#include #define PREFIX "PCI: " @@ -493,7 +495,7 @@ static void __init pci_mmcfg_reject_broken(int early) (unsigned int)cfg->start_bus_number, (unsigned int)cfg->end_bus_number); - if (!early) + if (!early && !acpi_disabled) valid = is_mmconf_reserved(is_acpi_reserved, addr, size, i, cfg, 0); if (valid) @@ -608,7 +610,7 @@ static void __init __pci_mmcfg_init(int early) } if (!known_bridge) - acpi_table_parse(ACPI_SIG_MCFG, pci_parse_mcfg); + acpi_sfi_table_parse(ACPI_SIG_MCFG, pci_parse_mcfg); pci_mmcfg_reject_broken(early); diff --git a/arch/x86/pci/mmconfig_32.c b/arch/x86/pci/mmconfig_32.c index 8b2d561046a3..f10a7e94a84c 100644 --- a/arch/x86/pci/mmconfig_32.c +++ b/arch/x86/pci/mmconfig_32.c @@ -11,9 +11,9 @@ #include #include -#include #include #include +#include /* Assume systems with more busses have correct MCFG */ #define mmcfg_virt_addr ((void __iomem *) fix_to_virt(FIX_PCIE_MCFG)) -- 2.45.2