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Commit ad160681 authored by Kumar Gala's avatar Kumar Gala
Browse files

[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: default avatarKumar Gala <galak@kernel.crashing.org>
parent 6392f184

arch/powerpc/boot/devtree.c

+14 −0
Original line number Diff line number Diff line
@@ -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",

arch/powerpc/boot/ops.h

+14 −0
Original line number Diff line number Diff line
@@ -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(...) \