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      1  1.8   njoly /* 	$NetBSD: aapic.c,v 1.8 2009/11/25 15:06:26 njoly Exp $	*/
      2  1.1    fvdl 
      3  1.1    fvdl #include <sys/cdefs.h>
      4  1.8   njoly __KERNEL_RCSID(0, "$NetBSD: aapic.c,v 1.8 2009/11/25 15:06:26 njoly Exp $");
      5  1.1    fvdl 
      6  1.1    fvdl #include <sys/param.h>
      7  1.1    fvdl #include <sys/systm.h>
      8  1.1    fvdl #include <sys/kernel.h>
      9  1.1    fvdl #include <sys/device.h>
     10  1.1    fvdl 
     11  1.1    fvdl #include <dev/pci/pcireg.h>
     12  1.1    fvdl #include <dev/pci/pcivar.h>
     13  1.1    fvdl #include <dev/pci/pcidevs.h>
     14  1.1    fvdl 
     15  1.1    fvdl #include <arch/x86/pci/amd8131reg.h>
     16  1.1    fvdl 
     17  1.3    fvdl #include "ioapic.h"
     18  1.3    fvdl 
     19  1.3    fvdl #if NIOAPIC > 0
     20  1.3    fvdl extern int nioapics;
     21  1.3    fvdl #endif
     22  1.3    fvdl 
     23  1.7   joerg static int	aapic_match(device_t, cfdata_t, void *);
     24  1.7   joerg static void	aapic_attach(device_t, device_t, void *);
     25  1.1    fvdl 
     26  1.6   joerg CFATTACH_DECL_NEW(aapic, 0, aapic_match, aapic_attach, NULL, NULL);
     27  1.1    fvdl 
     28  1.1    fvdl static int
     29  1.5   joerg aapic_match(device_t parent, cfdata_t match, void *aux)
     30  1.1    fvdl {
     31  1.1    fvdl 	struct pci_attach_args *pa = aux;
     32  1.1    fvdl 
     33  1.1    fvdl 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_AMD &&
     34  1.1    fvdl 	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_AMD_PCIX8131_APIC)
     35  1.1    fvdl 		return (1);
     36  1.1    fvdl 
     37  1.1    fvdl 	return (0);
     38  1.1    fvdl }
     39  1.1    fvdl 
     40  1.1    fvdl static void
     41  1.5   joerg aapic_attach(device_t parent, device_t self, void *aux)
     42  1.1    fvdl {
     43  1.1    fvdl 	struct pci_attach_args *pa = aux;
     44  1.1    fvdl 	char devinfo[256];
     45  1.1    fvdl 	int bus, dev, func, rev;
     46  1.1    fvdl 	pcitag_t tag;
     47  1.1    fvdl 	pcireg_t reg;
     48  1.1    fvdl 
     49  1.2  itojun 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
     50  1.1    fvdl 	rev = PCI_REVISION(pa->pa_class);
     51  1.8   njoly 	aprint_naive("\n");
     52  1.8   njoly 	aprint_normal(": %s (rev. 0x%02x)\n", devinfo, rev);
     53  1.1    fvdl 
     54  1.3    fvdl #if NIOAPIC > 0
     55  1.3    fvdl 	if (nioapics == 0)
     56  1.3    fvdl 		return;
     57  1.3    fvdl #else
     58  1.3    fvdl 	return;
     59  1.3    fvdl #endif
     60  1.3    fvdl 
     61  1.1    fvdl 	reg = pci_conf_read(pa->pa_pc, pa->pa_tag, AMD8131_IOAPIC_CTL);
     62  1.3    fvdl 	reg |= AMD8131_IOAEN;
     63  1.3    fvdl 	pci_conf_write(pa->pa_pc, pa->pa_tag, AMD8131_IOAPIC_CTL, reg);
     64  1.3    fvdl 
     65  1.3    fvdl 	pci_decompose_tag(pa->pa_pc, pa->pa_tag, &bus, &dev, &func);
     66  1.3    fvdl 	func = 0;
     67  1.3    fvdl 	tag = pci_make_tag(pa->pa_pc, bus, dev, func);
     68  1.3    fvdl 	reg = pci_conf_read(pa->pa_pc, tag, AMD8131_PCIX_MISC);
     69  1.3    fvdl 	reg &= ~AMD8131_NIOAMODE;
     70  1.3    fvdl 	pci_conf_write(pa->pa_pc, tag, AMD8131_PCIX_MISC, reg);
     71  1.1    fvdl }
     72