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u-boot/include/eeprom_field.h

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SPDX: Convert all of our single license tags to Linux Kernel style When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 05:58:06 +08:00
/* SPDX-License-Identifier: GPL-2.0+ */
cmd: eeprom: add support for layout aware commands 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>
2016-04-16 22:55:03 +08:00
/*
* (C) Copyright 2009-2016 CompuLab, Ltd.
*
* Authors: Nikita Kiryanov <nikita@compulab.co.il>
* Igor Grinberg <grinberg@compulab.co.il>
*/
#ifndef _FIELD_
#define _FIELD_
#define PRINT_FIELD_SEGMENT "%-30s"
struct eeprom_field {
char *name;
int size;
unsigned char *buf;
void (*print)(const struct eeprom_field *eeprom_field);
int (*update)(struct eeprom_field *eeprom_field, char *value);
};
void eeprom_field_print_bin(const struct eeprom_field *field);
int eeprom_field_update_bin(struct eeprom_field *field, char *value);
void eeprom_field_print_bin_rev(const struct eeprom_field *field);
int eeprom_field_update_bin_rev(struct eeprom_field *field, char *value);
void eeprom_field_print_mac(const struct eeprom_field *field);
int eeprom_field_update_mac(struct eeprom_field *field, char *value);
void eeprom_field_print_ascii(const struct eeprom_field *field);
int eeprom_field_update_ascii(struct eeprom_field *field, char *value);
void eeprom_field_print_reserved(const struct eeprom_field *field);
int eeprom_field_update_reserved(struct eeprom_field *field, char *value);
#endif
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