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OpenCloudOS-Kernel
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[SPARC64]: Implement basic pci_sun4v_scan_bus(). 

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-02-12 22:18:52 -08:00
parent 3833789bb2
commit c260926750
1 changed files with 46 additions and 3 deletions
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49
arch/sparc64/kernel/pci_sun4v.c
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@ -566,9 +566,50 @@ static struct pci_ops pci_sun4v_ops = {
};
static void pbm_scan_bus(struct pci_controller_info *p,
struct pci_pbm_info *pbm)
{
struct pcidev_cookie *cookie = kmalloc(sizeof(*cookie), GFP_KERNEL);
if (!cookie) {
prom_printf("%s: Critical allocation failure.\n", pbm->name);
prom_halt();
}
/* All we care about is the PBM. */
memset(cookie, 0, sizeof(*cookie));
cookie->pbm = pbm;
pbm->pci_bus = pci_scan_bus(pbm->pci_first_busno,
p->pci_ops,
pbm);
pci_fixup_host_bridge_self(pbm->pci_bus);
pbm->pci_bus->self->sysdata = cookie;
pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node);
pci_record_assignments(pbm, pbm->pci_bus);
pci_assign_unassigned(pbm, pbm->pci_bus);
pci_fixup_irq(pbm, pbm->pci_bus);
pci_determine_66mhz_disposition(pbm, pbm->pci_bus);
pci_setup_busmastering(pbm, pbm->pci_bus);
}
static void pci_sun4v_scan_bus(struct pci_controller_info *p)
{
/* XXX Implement me! XXX */
if (p->pbm_A.prom_node) {
p->pbm_A.is_66mhz_capable =
prom_getbool(p->pbm_A.prom_node, "66mhz-capable");
pbm_scan_bus(p, &p->pbm_A);
}
if (p->pbm_B.prom_node) {
p->pbm_B.is_66mhz_capable =
prom_getbool(p->pbm_B.prom_node, "66mhz-capable");
pbm_scan_bus(p, &p->pbm_B);
}
/* XXX register error interrupt handlers XXX */
}
static unsigned int pci_sun4v_irq_build(struct pci_pbm_info *pbm,
@ -579,7 +620,6 @@ static unsigned int pci_sun4v_irq_build(struct pci_pbm_info *pbm,
return 0;
}
/* XXX correct? XXX */
static void pci_sun4v_base_address_update(struct pci_dev *pdev, int resource)
{
struct pcidev_cookie *pcp = pdev->sysdata;
@ -598,6 +638,7 @@ static void pci_sun4v_base_address_update(struct pci_dev *pdev, int resource)
return;
}
/* XXX 64-bit MEM handling is not %100 correct... XXX */
is_64bit = 0;
if (res->flags & IORESOURCE_IO)
root = &pbm->io_space;
@ -625,7 +666,6 @@ static void pci_sun4v_base_address_update(struct pci_dev *pdev, int resource)
pci_write_config_dword(pdev, where + 4, 0);
}
/* XXX correct? XXX */
static void pci_sun4v_resource_adjust(struct pci_dev *pdev,
struct resource *res,
struct resource *root)
@ -668,6 +708,9 @@ static void pci_sun4v_determine_mem_io_space(struct pci_pbm_info *pbm)
saw_mem = 1;
break;
case 3:
/* XXX 64-bit MEM handling XXX */
default:
break;
};