[parisc-linux-cvs] Elroy fixups
Matthew Wilcox
willy@debian.org
Mon, 3 Sep 2001 23:56:20 +0100
* Do fixups for each device's IO port space. Fixes a bug on
non-PAT machines.
* Don't subtract 1 from the IO port space that elroy can claim.
Index: arch/parisc/kernel/lba_pci.c
===================================================================
RCS file: /home/cvs/parisc/linux/arch/parisc/kernel/lba_pci.c,v
retrieving revision 1.34
diff -u -p -r1.34 lba_pci.c
--- lba_pci.c 2001/08/28 08:15:09 1.34
+++ lba_pci.c 2001/09/03 21:22:47
@@ -707,9 +707,8 @@ lba_fixup_bus(struct pci_bus *bus)
u16 status;
#endif
struct lba_device *ldev = LBA_DEV(bus->sysdata);
-#ifdef __LP64__
- int i;
-#endif
+ int lba_portbase = HBA_PORT_BASE(ldev->hba.hba_num);
+
DBG("lba_fixup_bus(0x%p) bus %d sysdata 0x%p\n",
bus, bus->secondary, bus->sysdata);
@@ -788,26 +787,28 @@ lba_fixup_bus(struct pci_bus *bus)
list_for_each(ln, &bus->devices) {
+ int i;
struct pci_dev *dev = pci_dev_b(ln);
-#ifdef __LP64__
- /*
- ** Virtualize Device/Bridge Resources.
- */
+ /* Virtualize Device/Bridge Resources. */
for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- struct resource *res = &(dev->resource[i]);
+ struct resource *res = &dev->resource[i];
/* If resource not allocated - skip it */
if (!res->start)
continue;
- if (res->flags & IORESOURCE_MEM) {
+ if (res->flags & IORESOURCE_IO) {
+ res->start |= lba_portbase;
+ res->end |= lba_portbase;
+#ifdef __LP64__
+ } else if (res->flags & IORESOURCE_MEM) {
/* "Globalize" PCI address */
res->start |= ldev->lmmio_base;
res->end |= ldev->lmmio_base;
+#endif
}
}
-#endif
#ifdef FBB_SUPPORT
/*
@@ -1189,8 +1190,7 @@ lba_legacy_resources(struct parisc_devic
r->name = "LBA PCI I/O Ports";
r->flags = IORESOURCE_IO;
r->start = READ_REG32(pa_dev->hpa + LBA_IOS_BASE) & ~1L;
- r->end = r->start +
- (READ_REG32(pa_dev->hpa + LBA_IOS_MASK) ^ (HBA_PORT_SPACE_SIZE - 1)) - 1;
+ r->end = r->start + (READ_REG32(pa_dev->hpa + LBA_IOS_MASK) ^ (HBA_PORT_SPACE_SIZE - 1));
/* Virtualize the I/O Port space ranges */
lba_num = HBA_PORT_BASE(lba_dev->hba.hba_num);
--
Revolutions do not require corporate support.