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| author | Kumar Gala <galak@kernel.crashing.org> | 2008-01-15 16:30:32 +0100 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2008-01-24 02:32:44 +0100 |
| commit | ad160681c8caa0a73e6abd3ac606cd857608f94a (patch) | |
| tree | b3e1a48096c03ff83fdf5b0dfccd2434c57c9621 /arch/powerpc | |
| parent | [POWERPC] 83xx: convert boards to use machine_device_initcall (diff) | |
| download | linux-ad160681c8caa0a73e6abd3ac606cd857608f94a.tar.xz linux-ad160681c8caa0a73e6abd3ac606cd857608f94a.zip | |
[POWERPC] bootwrapper: Add find_node_by_alias and dt_fixup_mac_address_by_alias
Add the ability to set the mac address given the alias for the device.
Removes the need for having a linux,network-index property.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/boot/devtree.c | 14 | ||||
| -rw-r--r-- | arch/powerpc/boot/ops.h | 14 |
2 files changed, 28 insertions, 0 deletions
diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c index e5dfe4497313..60f561e307a9 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 6036a98e646a..5872ef1779ae 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(...) \ |