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Introduce the (optional) eeprom print and eeprom update commands. These commands are eeprom layout aware: * The eeprom print command prints the contents of the eeprom in a human readable way (eeprom layout fields, and data formatted to be fit for human consumption). * The eeprom update command allows user to update eeprom fields by specifying the field name, and providing the new data in a human readable format (same format as displayed by the eeprom print command). * Both commands can either auto detect the layout, or be told which layout to use. New CONFIG options: CONFIG_CMD_EEPROM_LAYOUT - enables commands. CONFIG_EEPROM_LAYOUT_HELP_STRING - tells user what layout names are supported Feature API: __weak int parse_layout_version(char *str) - override to provide your own layout name parsing __weak void __eeprom_layout_assign(struct eeprom_layout *layout, int layout_version); - override to setup the layout metadata based on the version __weak int eeprom_layout_detect(unsigned char *data) - override to provide your own algorithm for detecting layout version eeprom_field.c - contains various printing and updating functions for common types of eeprom fields. Can be used for defining custom layouts. Cc: Heiko Schocher <hs@denx.de> Cc: Marek Vasut <marex@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Igor Grinberg <grinberg@compulab.co.il> Cc: Tom Rini <trini@konsulko.com> Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/*
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* (C) Copyright 2009-2016 CompuLab, Ltd.
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*
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* Authors: Nikita Kiryanov <nikita@compulab.co.il>
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* Igor Grinberg <grinberg@compulab.co.il>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _FIELD_
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#define _FIELD_
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#define PRINT_FIELD_SEGMENT "%-30s"
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struct eeprom_field {
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char *name;
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int size;
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unsigned char *buf;
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void (*print)(const struct eeprom_field *eeprom_field);
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int (*update)(struct eeprom_field *eeprom_field, char *value);
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};
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void eeprom_field_print_bin(const struct eeprom_field *field);
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int eeprom_field_update_bin(struct eeprom_field *field, char *value);
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void eeprom_field_print_bin_rev(const struct eeprom_field *field);
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int eeprom_field_update_bin_rev(struct eeprom_field *field, char *value);
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void eeprom_field_print_mac(const struct eeprom_field *field);
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int eeprom_field_update_mac(struct eeprom_field *field, char *value);
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void eeprom_field_print_ascii(const struct eeprom_field *field);
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int eeprom_field_update_ascii(struct eeprom_field *field, char *value);
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void eeprom_field_print_reserved(const struct eeprom_field *field);
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int eeprom_field_update_reserved(struct eeprom_field *field, char *value);
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#endif
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