upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/include/hwconfig.h

100 lines
2.4 KiB

/*
* An inteface for configuring a hardware via u-boot environment.
*
* Copyright (c) 2009 MontaVista Software, Inc.
* Copyright 2011 Freescale Semiconductor, Inc.
*
* Author: Anton Vorontsov <avorontsov@ru.mvista.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _HWCONFIG_H
#define _HWCONFIG_H
#include <linux/types.h>
#include <linux/errno.h>
#ifdef CONFIG_HWCONFIG
extern int hwconfig_f(const char *opt, char *buf);
extern const char *hwconfig_arg_f(const char *opt, size_t *arglen, char *buf);
extern int hwconfig_arg_cmp_f(const char *opt, const char *arg, char *buf);
extern int hwconfig_sub_f(const char *opt, const char *subopt, char *buf);
extern const char *hwconfig_subarg_f(const char *opt, const char *subopt,
size_t *subarglen, char *buf);
extern int hwconfig_subarg_cmp_f(const char *opt, const char *subopt,
const char *subarg, char *buf);
#else
static inline int hwconfig_f(const char *opt, char *buf)
{
return -ENOSYS;
}
static inline const char *hwconfig_arg_f(const char *opt, size_t *arglen,
char *buf)
{
*arglen = 0;
return "";
}
static inline int hwconfig_arg_cmp_f(const char *opt, const char *arg,
char *buf)
{
return -ENOSYS;
}
static inline int hwconfig_sub_f(const char *opt, const char *subopt, char *buf)
{
return -ENOSYS;
}
static inline const char *hwconfig_subarg_f(const char *opt, const char *subopt,
size_t *subarglen, char *buf)
{
*subarglen = 0;
return "";
}
static inline int hwconfig_subarg_cmp_f(const char *opt, const char *subopt,
const char *subarg, char *buf)
{
return -ENOSYS;
}
#endif /* CONFIG_HWCONFIG */
static inline int hwconfig(const char *opt)
{
return hwconfig_f(opt, NULL);
}
static inline const char *hwconfig_arg(const char *opt, size_t *arglen)
{
return hwconfig_arg_f(opt, arglen, NULL);
}
static inline int hwconfig_arg_cmp(const char *opt, const char *arg)
{
return hwconfig_arg_cmp_f(opt, arg, NULL);
}
static inline int hwconfig_sub(const char *opt, const char *subopt)
{
return hwconfig_sub_f(opt, subopt, NULL);
}
static inline const char *hwconfig_subarg(const char *opt, const char *subopt,
size_t *subarglen)
{
return hwconfig_subarg_f(opt, subopt, subarglen, NULL);
}
static inline int hwconfig_subarg_cmp(const char *opt, const char *subopt,
const char *subarg)
{
return hwconfig_subarg_cmp_f(opt, subopt, subarg, NULL);
}
#endif /* _HWCONFIG_H */