powerpc/bootwrapper: Use the child-bus #address-cells to decide which range entry...

[deliverable/linux.git] / arch / powerpc / boot / devtree.c

diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c
index e5dfe449731393cb7aec718b4fd169964309def0..a7e21a35c03af6a7bd584cccf6b140f85157d7cf 100644 (file)
--- a/arch/powerpc/boot/devtree.c
+++ b/arch/powerpc/boot/devtree.c
@@ -88,6 +88,20 @@ void dt_fixup_clock(const char *path, u32 freq)
        }
 }
 
+void dt_fixup_mac_address_by_alias(const char *alias, const u8 *addr)
+{
+       void *devp = find_node_by_alias(alias);
+
+       if (devp) {
+               printf("%s: local-mac-address <-"
+                      " %02x:%02x:%02x:%02x:%02x:%02x\n\r", alias,
+                      addr[0], addr[1], addr[2],
+                      addr[3], addr[4], addr[5]);
+
+               setprop(devp, "local-mac-address", addr, 6);
+       }
+}
+
 void dt_fixup_mac_address(u32 index, const u8 *addr)
 {
        void *devp = find_node_by_prop_value(NULL, "linux,network-index",
@@ -199,7 +213,7 @@ static int find_range(u32 *reg, u32 *ranges, int nregaddr,
                u32 range_addr[MAX_ADDR_CELLS];
                u32 range_size[MAX_ADDR_CELLS];
 
-               copy_val(range_addr, ranges + i, naddr);
+               copy_val(range_addr, ranges + i, nregaddr);
                copy_val(range_size, ranges + i + nregaddr + naddr, nsize);
 
                if (compare_reg(reg, range_addr, range_size))
@@ -336,3 +350,23 @@ int dt_is_compatible(void *node, const char *compat)
 
        return 0;
 }
+
+int dt_get_virtual_reg(void *node, void **addr, int nres)
+{
+       unsigned long xaddr;
+       int n;
+
+       n = getprop(node, "virtual-reg", addr, nres * 4);
+       if (n > 0)
+               return n / 4;
+
+       for (n = 0; n < nres; n++) {
+               if (!dt_xlate_reg(node, n, &xaddr, NULL))
+                       break;
+
+               addr[n] = (void *)xaddr;
+       }
+
+       return n;
+}
+