Commit 5f0db7a2 authored by Feng Tang's avatar Feng Tang Committed by Len Brown

SFI: Hook PCI MMCONFIG

First check ACPI, and if that fails, ask SFI to find the MCFG.
Signed-off-by: default avatarFeng Tang <feng.tang@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
parent efafc8b2
......@@ -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
......
......@@ -13,10 +13,12 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/acpi.h>
#include <linux/sfi_acpi.h>
#include <linux/bitmap.h>
#include <linux/sort.h>
#include <asm/e820.h>
#include <asm/pci_x86.h>
#include <asm/acpi.h>
#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);
......
......@@ -11,9 +11,9 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/acpi.h>
#include <asm/e820.h>
#include <asm/pci_x86.h>
#include <acpi/acpi.h>
/* Assume systems with more busses have correct MCFG */
#define mmcfg_virt_addr ((void __iomem *) fix_to_virt(FIX_PCIE_MCFG))
......
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