/* Max address size we deal with */
#define OF_MAX_ADDR_CELLS 4
#define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \
- (ns) >= 0)
+ (ns) > 0)
static struct of_bus *of_match_bus(struct device_node *np);
static int __of_address_to_resource(struct device_node *dev,
*sizec = 2;
}
+static unsigned int of_bus_pci_get_flags(const u32 *addr)
+{
+ unsigned int flags = 0;
+ u32 w = addr[0];
+
+ switch((w >> 24) & 0x03) {
+ case 0x01:
+ flags |= IORESOURCE_IO;
+ break;
+ case 0x02: /* 32 bits */
+ case 0x03: /* 64 bits */
+ flags |= IORESOURCE_MEM;
+ break;
+ }
+ if (w & 0x40000000)
+ flags |= IORESOURCE_PREFETCH;
+ return flags;
+}
+
static u64 of_bus_pci_map(u32 *addr, const u32 *range, int na, int ns, int pna)
{
u64 cp, s, da;
+ unsigned int af, rf;
+
+ af = of_bus_pci_get_flags(addr);
+ rf = of_bus_pci_get_flags(range);
/* Check address type match */
- if ((addr[0] ^ range[0]) & 0x03000000)
+ if ((af ^ rf) & (IORESOURCE_MEM | IORESOURCE_IO))
return OF_BAD_ADDR;
/* Read address values, skipping high cell */
return of_bus_default_translate(addr + 1, offset, na - 1);
}
-static unsigned int of_bus_pci_get_flags(const u32 *addr)
-{
- unsigned int flags = 0;
- u32 w = addr[0];
-
- switch((w >> 24) & 0x03) {
- case 0x01:
- flags |= IORESOURCE_IO;
- break;
- case 0x02: /* 32 bits */
- case 0x03: /* 64 bits */
- flags |= IORESOURCE_MEM;
- break;
- }
- if (w & 0x40000000)
- flags |= IORESOURCE_PREFETCH;
- return flags;
-}
-
const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
unsigned int *flags)
{
}
EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
-static u8 of_irq_pci_swizzle(u8 slot, u8 pin)
-{
- return (((pin - 1) + slot) % 4) + 1;
-}
-
int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
{
struct device_node *dn, *ppnode;
* parsing
*/
dn = pci_device_to_OF_node(pdev);
- if (dn)
- return of_irq_map_one(dn, 0, out_irq);
+ if (dn) {
+ rc = of_irq_map_one(dn, 0, out_irq);
+ if (!rc)
+ return rc;
+ }
/* Ok, we don't, time to have fun. Let's start by building up an
* interrupt spec. we assume #interrupt-cells is 1, which is standard
#else
struct pci_controller *host;
host = pci_bus_to_host(pdev->bus);
- ppnode = host ? host->arch_data : NULL;
+ ppnode = host ? host->dn : NULL;
#endif
/* No node for host bridge ? give up */
if (ppnode == NULL)
/* We can only get here if we hit a P2P bridge with no node,
* let's do standard swizzling and try again
*/
- lspec = of_irq_pci_swizzle(PCI_SLOT(pdev->devfn), lspec);
+ lspec = pci_swizzle_interrupt_pin(pdev, lspec);
pdev = ppdev;
}
static int of_translate_one(struct device_node *parent, struct of_bus *bus,
struct of_bus *pbus, u32 *addr,
- int na, int ns, int pna)
+ int na, int ns, int pna, const char *rprop)
{
const u32 *ranges;
unsigned int rlen;
* to translate addresses that aren't supposed to be translated in
* the first place. --BenH.
*/
- ranges = of_get_property(parent, "ranges", &rlen);
+ ranges = of_get_property(parent, rprop, &rlen);
if (ranges == NULL || rlen == 0) {
offset = of_read_number(addr, na);
memset(addr, 0, pna * 4);
* that can be mapped to a cpu physical address). This is not really specified
* that way, but this is traditionally the way IBM at least do things
*/
-u64 of_translate_address(struct device_node *dev, const u32 *in_addr)
+u64 __of_translate_address(struct device_node *dev, const u32 *in_addr,
+ const char *rprop)
{
struct device_node *parent = NULL;
struct of_bus *bus, *pbus;
pbus->name, pna, pns, parent->full_name);
/* Apply bus translation */
- if (of_translate_one(dev, bus, pbus, addr, na, ns, pna))
+ if (of_translate_one(dev, bus, pbus, addr, na, ns, pna, rprop))
break;
/* Complete the move up one level */
return result;
}
+
+u64 of_translate_address(struct device_node *dev, const u32 *in_addr)
+{
+ return __of_translate_address(dev, in_addr, "ranges");
+}
EXPORT_SYMBOL(of_translate_address);
+u64 of_translate_dma_address(struct device_node *dev, const u32 *in_addr)
+{
+ return __of_translate_address(dev, in_addr, "dma-ranges");
+}
+EXPORT_SYMBOL(of_translate_dma_address);
+
const u32 *of_get_address(struct device_node *dev, int index, u64 *size,
unsigned int *flags)
{
if (flags & OF_IMAP_NO_PHANDLE) {
struct device_node *np;
- for(np = NULL; (np = of_find_all_nodes(np)) != NULL;) {
- if (of_get_property(np, "interrupt-controller", NULL)
- == NULL)
- continue;
+ for_each_node_with_property(np, "interrupt-controller") {
/* Skip /chosen/interrupt-controller */
if (strcmp(np->name, "chosen") == 0)
continue;
struct device_node *p;
const u32 *intspec, *tmp, *addr;
u32 intsize, intlen;
- int res;
+ int res = -EINVAL;
DBG("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index);
/* Get size of interrupt specifier */
tmp = of_get_property(p, "#interrupt-cells", NULL);
- if (tmp == NULL) {
- of_node_put(p);
- return -EINVAL;
- }
+ if (tmp == NULL)
+ goto out;
intsize = *tmp;
DBG(" intsize=%d intlen=%d\n", intsize, intlen);
/* Check index */
if ((index + 1) * intsize > intlen)
- return -EINVAL;
+ goto out;
/* Get new specifier and map it */
res = of_irq_map_raw(p, intspec + index * intsize, intsize,
addr, out_irq);
+out:
of_node_put(p);
return res;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff