diff options
Diffstat (limited to 'sys/arch/amd64/pci/pchb.c')
| -rw-r--r-- | sys/arch/amd64/pci/pchb.c | 55 |
1 files changed, 51 insertions, 4 deletions
diff --git a/sys/arch/amd64/pci/pchb.c b/sys/arch/amd64/pci/pchb.c index 339f26ccb83..478121194bf 100644 --- a/sys/arch/amd64/pci/pchb.c +++ b/sys/arch/amd64/pci/pchb.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pchb.c,v 1.2 2004/06/14 00:32:30 deraadt Exp $ */ +/* $OpenBSD: pchb.c,v 1.3 2006/02/12 23:46:27 kettenis Exp $ */ /* $NetBSD: pchb.c,v 1.1 2003/04/26 18:39:50 fvdl Exp $ */ /*- @@ -71,10 +71,27 @@ #define I82424_BCTL_PCIMEM_BURSTEN 0x01 #define I82424_BCTL_PCI_BURSTEN 0x02 +/* XXX should be in dev/ic/amd64htreg.h */ +#define AMD64HT_LDT0_BUS 0x94 +#define AMD64HT_LDT0_TYPE 0x98 +#define AMD64HT_LDT1_BUS 0xb4 +#define AMD64HT_LDT1_TYPE 0xb8 +#define AMD64HT_LDT2_BUS 0xd4 +#define AMD64HT_LDT2_TYPE 0xd8 + +#define AMD64HT_NUM_LDT 3 + +#define AMD64HT_LDT_TYPE_MASK 0x0000001f +#define AMD64HT_LDT_INIT_COMPLETE 0x00000002 +#define AMD64HT_LDT_NC 0x00000004 + +#define AMD64HT_LDT_SEC_BUS_NUM(reg) (((reg) >> 8) & 0xff) + int pchbmatch(struct device *, void *, void *); void pchbattach(struct device *, struct device *, void *); int pchb_print(void *, const char *); +void pchb_amd64ht_attach (struct device *, struct pci_attach_args *, int); struct cfattach pchb_ca = { sizeof(struct pchb_softc), pchbmatch, pchbattach, @@ -105,15 +122,19 @@ pchbattach(parent, self, aux) void *aux; { struct pci_attach_args *pa = aux; + int i; printf("\n"); switch (PCI_VENDOR(pa->pa_id)) { - /* Nothing yet */ - default: + case PCI_VENDOR_AMD: + switch (PCI_PRODUCT(pa->pa_id)) { + case PCI_PRODUCT_AMD_AMD64_HT: + for (i = 0; i < AMD64HT_NUM_LDT; i++) + pchb_amd64ht_attach(self, pa, i); break; + } } - } int @@ -128,3 +149,29 @@ pchb_print(aux, pnp) printf(" bus %d", pba->pba_bus); return (UNCONF); } + +void +pchb_amd64ht_attach (struct device *self, struct pci_attach_args *pa, int i) +{ + struct pcibus_attach_args pba; + pcireg_t type, bus; + int reg; + + reg = AMD64HT_LDT0_TYPE + i * 0x20; + type = pci_conf_read(pa->pa_pc, pa->pa_tag, reg); + if ((type & AMD64HT_LDT_INIT_COMPLETE) == 0 || + (type & AMD64HT_LDT_NC) == 0) + return; + + reg = AMD64HT_LDT0_BUS + i * 0x20; + bus = pci_conf_read(pa->pa_pc, pa->pa_tag, reg); + if (AMD64HT_LDT_SEC_BUS_NUM(bus) > 0) { + pba.pba_busname = "pci"; + pba.pba_iot = pa->pa_iot; + pba.pba_memt = pa->pa_memt; + pba.pba_dmat = pa->pa_dmat; + pba.pba_bus = AMD64HT_LDT_SEC_BUS_NUM(bus); + pba.pba_pc = pa->pa_pc; + config_found(self, &pba, pchb_print); + } +} |