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-rw-r--r--arch/powerpc/boot/devtree.c14
-rw-r--r--arch/powerpc/boot/ops.h14
2 files changed, 28 insertions, 0 deletions
diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c
index e5dfe449731..60f561e307a 100644
--- 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",
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index 6036a98e646..5872ef1779a 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -159,9 +159,23 @@ static inline void *find_node_by_devtype(const void *prev,
return find_node_by_prop_value_str(prev, "device_type", type);
}
+static inline void *find_node_by_alias(const char *alias)
+{
+ void *devp = finddevice("/aliases");
+
+ if (devp) {
+ char path[MAX_PATH_LEN];
+ if (getprop(devp, alias, path, MAX_PATH_LEN) > 0)
+ return finddevice(path);
+ }
+
+ return NULL;
+}
+
void dt_fixup_memory(u64 start, u64 size);
void dt_fixup_cpu_clocks(u32 cpufreq, u32 tbfreq, u32 busfreq);
void dt_fixup_clock(const char *path, u32 freq);
+void dt_fixup_mac_address_by_alias(const char *alias, const u8 *addr);
void dt_fixup_mac_address(u32 index, const u8 *addr);
void __dt_fixup_mac_addresses(u32 startindex, ...);
#define dt_fixup_mac_addresses(...) \