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	As part of bringing the master branch back in to next, we need to allow for all of these changes to exist here. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
		
			
				
	
	
		
			70 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0+
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/*
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 * Copyright (C) 2017 Microchip
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 *		      Wenyou Yang <wenyou.yang@microchip.com>
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 */
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#include <dm.h>
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#include <env.h>
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#include <i2c_eeprom.h>
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#include <net.h>
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#include <netdev.h>
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int at91_set_ethaddr(int offset)
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{
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	const int ETH_ADDR_LEN = 6;
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	unsigned char ethaddr[ETH_ADDR_LEN];
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	const char *ETHADDR_NAME = "ethaddr";
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	struct udevice *dev;
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	int ret;
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	if (env_get(ETHADDR_NAME))
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		return 0;
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	ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev);
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	if (ret)
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		return ret;
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	ret = i2c_eeprom_read(dev, offset, ethaddr, 6);
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	if (ret)
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		return ret;
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	if (is_valid_ethaddr(ethaddr))
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		eth_env_set_enetaddr(ETHADDR_NAME, ethaddr);
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	return 0;
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}
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/* this function will set eth1addr from a second eeprom, if available */
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int at91_set_eth1addr(int offset)
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{
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	const int ETH_ADDR_LEN = 6;
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	unsigned char ethaddr[ETH_ADDR_LEN];
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	/* configure eth1addr for second interface */
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	const char *ETHADDR_NAME = "eth1addr";
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	struct udevice *dev;
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	int ret;
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	if (env_get(ETHADDR_NAME))
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		return 0;
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	/* first eeprom is retrieved, this is for the first interface */
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	ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev);
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	if (ret)
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		return ret;
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	/* attempt to obtain a second eeprom device */
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	ret = uclass_next_device_err(&dev);
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	if (ret)
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		return ret;
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	ret = i2c_eeprom_read(dev, offset, ethaddr, 6);
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	if (ret)
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		return ret;
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	if (is_valid_ethaddr(ethaddr))
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		eth_env_set_enetaddr(ETHADDR_NAME, ethaddr);
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	return 0;
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}
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