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/api/api_net.c

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/*
* (C) Copyright 2007 Semihalf
*
* Written by: Rafal Jaworowski <raj@semihalf.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <common.h>
#include <net.h>
#include <linux/types.h>
#include <api_public.h>
DECLARE_GLOBAL_DATA_PTR;
#define DEBUG
#undef DEBUG
#ifdef DEBUG
#define debugf(fmt, args...) do { printf("%s(): ", __func__); printf(fmt, ##args); } while (0)
#else
#define debugf(fmt, args...)
#endif
#define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
#ifdef CONFIG_CMD_NET
static int dev_valid_net(void *cookie)
{
return ((void *)eth_get_dev() == cookie) ? 1 : 0;
}
int dev_open_net(void *cookie)
{
if (!dev_valid_net(cookie))
return API_ENODEV;
if (eth_init(gd->bd) < 0)
return API_EIO;
return 0;
}
int dev_close_net(void *cookie)
{
if (!dev_valid_net(cookie))
return API_ENODEV;
eth_halt();
return 0;
}
/*
* There can only be one active eth interface at a time - use what is
* currently set to eth_current
*/
int dev_enum_net(struct device_info *di)
{
struct eth_device *eth_current = eth_get_dev();
di->type = DEV_TYP_NET;
di->cookie = (void *)eth_current;
if (di->cookie == NULL)
return 0;
memcpy(di->di_net.hwaddr, eth_current->enetaddr, 6);
debugf("device found, returning cookie 0x%08x\n",
(u_int32_t)di->cookie);
return 1;
}
int dev_write_net(void *cookie, void *buf, int len)
{
/* XXX verify that cookie points to a valid net device??? */
return eth_send(buf, len);
}
int dev_read_net(void *cookie, void *buf, int len)
{
/* XXX verify that cookie points to a valid net device??? */
return eth_receive(buf, len);
}
#else
int dev_open_net(void *cookie)
{
return API_ENODEV;
}
int dev_close_net(void *cookie)
{
return API_ENODEV;
}
int dev_enum_net(struct device_info *di)
{
return 0;
}
int dev_write_net(void *cookie, void *buf, int len)
{
return API_ENODEV;
}
int dev_read_net(void *cookie, void *buf, int len)
{
return API_ENODEV;
}
#endif