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786af90de8
Check whether the ethernet interface is enabled at all before reading MAC EEPROM. As a cost saving measure, it can happen that the MAC EEPROM is not populated on SoMs which do not use ethernet. Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
37 lines
1013 B
C
37 lines
1013 B
C
/* SPDX-License-Identifier: GPL-2.0+
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*
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* Copyright 2022 DENX Software Engineering GmbH, Philip Oberfichtner <pro@denx.de>
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*/
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/*
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* dh_mac_is_in_env - Check if MAC address is already set
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*
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* @env: name of environment variable
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* Return: true if MAC is set, false otherwise
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*/
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bool dh_mac_is_in_env(const char *env);
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/*
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* dh_get_mac_is_enabled - Test if ethernet MAC is enabled in DT
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*
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* @alias: alias for ethernet MAC device tree node
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* Return: 0 if OK, other value on error
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*/
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int dh_get_mac_is_enabled(const char *alias);
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/*
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* dh_get_mac_from_eeprom - Get MAC address from eeprom and write it to enetaddr
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*
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* @enetaddr: buffer where address is to be stored
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* @alias: alias for EEPROM device tree node
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* Return: 0 if OK, other value on error
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*/
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int dh_get_mac_from_eeprom(unsigned char *enetaddr, const char *alias);
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/*
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* dh_setup_mac_address - Try to get MAC address from various locations and write it to env
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*
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* Return: 0 if OK, other value on error
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*/
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int dh_setup_mac_address(void);
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