[PATCH] Move early chipset quirks out to new file

They did not really belong into io_apic.c. Move them into a new file
and clean it up a bit.

Also remove outdated ATI quirk that was obsolete,

Signed-off-by: Andi Kleen <ak@suse.de>

1 files changed, 0 insertions, 101 deletions

diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index a02ed17d05dc..8bbff64c20d7 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -280,107 +280,6 @@ static int __init setup_enable_8254_timer(char *s)
 __setup("disable_8254_timer", setup_disable_8254_timer);
 __setup("enable_8254_timer", setup_enable_8254_timer);
 
-#include <asm/pci-direct.h>
-#include <linux/pci_ids.h>
-#include <linux/pci.h>
-
-
-#ifdef CONFIG_ACPI
-
-static int nvidia_hpet_detected __initdata;
-
-static int __init nvidia_hpet_check(unsigned long phys, unsigned long size)
-{
-        nvidia_hpet_detected = 1;
-        return 0;
-}
-#endif
-
-/* Temporary Hack. Nvidia and VIA boards currently only work with IO-APIC
-   off. Check for an Nvidia or VIA PCI bridge and turn it off.
-   Use pci direct infrastructure because this runs before the PCI subsystem. 
-
-   Can be overwritten with "apic"
-
-   And another hack to disable the IOMMU on VIA chipsets.
-
-   ... and others. Really should move this somewhere else.
-
-   Kludge-O-Rama. */
-void __init check_ioapic(void) 
-{ 
-        int num,slot,func; 
-        /* Poor man's PCI discovery */
-        for (num = 0; num < 32; num++) { 
-                for (slot = 0; slot < 32; slot++) { 
-                        for (func = 0; func < 8; func++) { 
-                                u32 class;
-                                u32 vendor;
-                                u8 type;
-                                class = read_pci_config(num,slot,func,
-                                                        PCI_CLASS_REVISION);
-                                if (class == 0xffffffff)
-                                        break; 
-
-                                if ((class >> 16) != PCI_CLASS_BRIDGE_PCI)
-                                        continue; 
-
-                                vendor = read_pci_config(num, slot, func, 
-                                                         PCI_VENDOR_ID);
-                                vendor &= 0xffff;
-                                switch (vendor) { 
-                                case PCI_VENDOR_ID_VIA:
-#ifdef CONFIG_IOMMU
-                                        if ((end_pfn > MAX_DMA32_PFN ||
-                                             force_iommu) &&
-                                            !iommu_aperture_allowed) {
-                                                printk(KERN_INFO
-    "Looks like a VIA chipset. Disabling IOMMU. Override with \"iommu=allowed\"\n");
-                                                iommu_aperture_disabled = 1;
-                                        }
-#endif
-                                        return;
-                                case PCI_VENDOR_ID_NVIDIA:
-#ifdef CONFIG_ACPI
-                                        /*
-                                         * All timer overrides on Nvidia are
-                                         * wrong unless HPET is enabled.
-                                         */
-                                        nvidia_hpet_detected = 0;
-                                        acpi_table_parse(ACPI_HPET,
-                                                        nvidia_hpet_check);
-                                        if (nvidia_hpet_detected == 0) {
-                                                acpi_skip_timer_override = 1;
-                                                printk(KERN_INFO "Nvidia board "
-                                                    "detected. Ignoring ACPI "
-                                                    "timer override.\n");
-                                        }
-#endif
-                                        /* RED-PEN skip them on mptables too? */
-                                        return;
-
-                                /* This should be actually default, but
-                                   for 2.6.16 let's do it for ATI only where
-                                   it's really needed. */
-                                case PCI_VENDOR_ID_ATI:
-                                        if (timer_over_8254 == 1) {     
-                                                timer_over_8254 = 0;    
-                                        printk(KERN_INFO
-                "ATI board detected. Disabling timer routing over 8254.\n");
-                                        }       
-                                        return;
-                                } 
-
-
-                                /* No multi-function device? */
-                                type = read_pci_config_byte(num,slot,func,
-                                                            PCI_HEADER_TYPE);
-                                if (!(type & 0x80))
-                                        break;
-                        } 
-                }
-        }
-} 
 
 /*
  * Find the IRQ entry number of a certain pin.