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| author | Jeff Garzik <jeff@garzik.org> | 2006-06-22 22:11:56 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-06-22 22:11:56 -0400 |
| commit | 71d530cd1b6d97094481002a04c77fea1c8e1c22 (patch) | |
| tree | e786da7145d83c19a594adf76ed90d52c51058b1 /arch/i386/pci/mmconfig.c | |
| parent | d7a80dad2fe19a2b8c119c8e9cba605474a75a2b (diff) | |
| parent | d588fcbe5a7ba8bba2cebf7799ab2d573717a806 (diff) | |
| download | op-kernel-dev-71d530cd1b6d97094481002a04c77fea1c8e1c22.zip op-kernel-dev-71d530cd1b6d97094481002a04c77fea1c8e1c22.tar.gz | |
Merge branch 'master' into upstream
Conflicts:
drivers/scsi/libata-core.c
drivers/scsi/libata-scsi.c
include/linux/pci_ids.h
Diffstat (limited to 'arch/i386/pci/mmconfig.c')
| -rw-r--r-- | arch/i386/pci/mmconfig.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c index 6b1ea0c..e545b09 100644 --- a/arch/i386/pci/mmconfig.c +++ b/arch/i386/pci/mmconfig.c @@ -15,7 +15,9 @@ #include <asm/e820.h> #include "pci.h" -#define MMCONFIG_APER_SIZE (256*1024*1024) +/* aperture is up to 256MB but BIOS may reserve less */ +#define MMCONFIG_APER_MIN (2 * 1024*1024) +#define MMCONFIG_APER_MAX (256 * 1024*1024) /* Assume systems with more busses have correct MCFG */ #define MAX_CHECK_BUS 16 @@ -197,9 +199,10 @@ void __init pci_mmcfg_init(void) return; if (!e820_all_mapped(pci_mmcfg_config[0].base_address, - pci_mmcfg_config[0].base_address + MMCONFIG_APER_SIZE, + pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN, E820_RESERVED)) { - printk(KERN_ERR "PCI: BIOS Bug: MCFG area is not E820-reserved\n"); + printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n", + pci_mmcfg_config[0].base_address); printk(KERN_ERR "PCI: Not using MMCONFIG.\n"); return; } |
