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PCI quirks: add quirk to disable boot interrupt generation on broadcom HT1000

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Signed-off-by: Olaf Dabrunz <od@suse.de>
Signed-off-by: Stefan Assmann <sassmann@suse.de>
Cc: Jon Masters <jonathan@jonmasters.org>
Cc: Olaf Dabrunz <od@suse.de>
Cc: Stefan Assmann <sassmann@suse.de>
Cc: Ihno Krumreich <ihno@suse.de>
Cc: Sven Dietrich <sdietrich@suse.de>
Cc: Daniel Gollub <dgollub@suse.de>
Cc: Felix Foerster <ffoerster@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Olaf Dabrunz 2008-07-08 15:59:47 +02:00 committed by Ingo Molnar
parent dbbcfb2211
commit 7725118815
1 changed files with 32 additions and 0 deletions
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32
drivers/pci/quirks.c
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@ -1417,6 +1417,38 @@ static void quirk_disable_intel_boot_interrupt(struct pci_dev *dev)
dev->vendor, dev->device);
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_10, quirk_disable_intel_boot_interrupt);
/*
* disable boot interrupts on HT-1000
*/
#define BC_HT1000_FEATURE_REG 0x64
#define BC_HT1000_PIC_REGS_ENABLE (1<<0)
#define BC_HT1000_MAP_IDX 0xC00
#define BC_HT1000_MAP_DATA 0xC01
static void quirk_disable_broadcom_boot_interrupt(struct pci_dev *dev)
{
u32 pci_config_dword;
u8 irq;
if (noioapicquirk)
return;
pci_read_config_dword(dev, BC_HT1000_FEATURE_REG, &pci_config_dword);
pci_write_config_dword(dev, BC_HT1000_FEATURE_REG, pci_config_dword |
BC_HT1000_PIC_REGS_ENABLE);
for (irq = 0x10; irq < 0x10 + 32; irq++) {
outb(irq, BC_HT1000_MAP_IDX);
outb(0x00, BC_HT1000_MAP_DATA);
}
pci_write_config_dword(dev, BC_HT1000_FEATURE_REG, pci_config_dword);
printk(KERN_INFO "disabled boot interrupts on PCI device"
"0x%04x:0x%04x\n", dev->vendor, dev->device);
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000SB, quirk_disable_broadcom_boot_interrupt);
#endif /* CONFIG_X86_IO_APIC */
/*