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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2013 Lucas Stach <l.stach@pengutronix.de>
* Copyright (C) 2014 Eric Bénard <eric@eukrea.com>
* Copyright (C) 2019 Ahmad Fatoum <a.fatoum@pengutronix.de>
*/
#include <common.h>
#include <init.h>
#include <envfs.h>
#include <mach/imx/bbu.h>
#include <linux/mdio.h>
#include <linux/phy.h>
#include <deep-probe.h>
static int ar8035_phy_fixup(struct phy_device *dev)
{
u16 val;
/* Ar803x phy SmartEEE feature cause link status generates glitch,
* which cause ethernet link down/up issue, so disable SmartEEE
*/
val = phy_read_mmd(dev, MDIO_MMD_PCS, 0x805d);
phy_write(dev, MII_MMD_DATA, val & ~(1 << 8));
val = phy_read_mmd(dev, MDIO_MMD_PCS, 0x4003);
phy_write(dev, MII_MMD_DATA, val & ~(1 << 8));
val = phy_read_mmd(dev, MDIO_MMD_PCS, 0x4007);
val &= 0xffe3;
val |= 0x18;
phy_write(dev, MII_MMD_DATA, val);
return 0;
}
static int marsboard_device_init(struct device *dev)
{
barebox_set_hostname("marsboard");
phy_register_fixup_for_uid(0x004dd072, 0xffffffef, ar8035_phy_fixup);
imx6_bbu_internal_spi_i2c_register_handler("spiflash",
"/dev/m25p0.barebox", BBU_HANDLER_FLAG_DEFAULT);
defaultenv_append_directory(defaultenv_mars);
return 0;
}
static const struct of_device_id marsboard_of_match[] = {
{ .compatible = "embest,imx6q-marsboard" },
{ /* sentinel */ },
};
BAREBOX_DEEP_PROBE_ENABLE(marsboard_of_match);
static struct driver marsboard_driver = {
.name = "board-mars",
.probe = marsboard_device_init,
.of_compatible = marsboard_of_match,
};
postcore_platform_driver(marsboard_driver);
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