Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney...

[pandora-kernel.git] / arch / powerpc / kernel / prom_parse.c

diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index b5c96af..bc1fb27 100644 (file)
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -128,12 +128,35 @@ static void of_bus_pci_count_cells(struct device_node *np,
                *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 */
@@ -153,25 +176,6 @@ static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
        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)
 {
@@ -273,7 +277,7 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
 #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)
@@ -419,7 +423,7 @@ static struct of_bus *of_match_bus(struct device_node *np)
 
 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;
@@ -438,7 +442,7 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus,
         * 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);
@@ -481,7 +485,8 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus,
  * 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;
@@ -540,7 +545,7 @@ u64 of_translate_address(struct device_node *dev, const u32 *in_addr)
                    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 */
@@ -556,8 +561,19 @@ u64 of_translate_address(struct device_node *dev, const u32 *in_addr)
 
        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)
 {