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// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: 2018 Sascha Hauer, Pengutronix
#include <asm/memory.h>
#include <bootsource.h>
#include <common.h>
#include <init.h>
#include <linux/phy.h>
#include <linux/sizes.h>
#include <mach/bbu.h>
#include <envfs.h>
#define PHY_ID_AR8031 0x004dd074
#define AR_PHY_ID_MASK 0xffffffff
static int ar8031_phy_fixup(struct phy_device *phydev)
{
/*
* Enable 1.8V(SEL_1P5_1P8_POS_REG) on
* Phy control debug reg 0
*/
phy_write(phydev, 0x1d, 0x1f);
phy_write(phydev, 0x1e, 0x8);
/* rgmii tx clock delay enable */
phy_write(phydev, 0x1d, 0x05);
phy_write(phydev, 0x1e, 0x100);
return 0;
}
static int nxp_imx8mq_evk_init(void)
{
int flags;
if (!of_machine_is_compatible("fsl,imx8mq-evk"))
return 0;
barebox_set_hostname("imx8mq-evk");
flags = bootsource_get_instance() == 0 ? BBU_HANDLER_FLAG_DEFAULT : 0;
imx8m_bbu_internal_mmc_register_handler("eMMC", "/dev/mmc0.barebox", flags);
flags = bootsource_get_instance() == 1 ? BBU_HANDLER_FLAG_DEFAULT : 0;
imx8m_bbu_internal_mmc_register_handler("SD", "/dev/mmc1.barebox", flags);
if (bootsource_get_instance() == 0)
of_device_enable_path("/chosen/environment-emmc");
else
of_device_enable_path("/chosen/environment-sd");
phy_register_fixup_for_uid(PHY_ID_AR8031, AR_PHY_ID_MASK,
ar8031_phy_fixup);
return 0;
}
device_initcall(nxp_imx8mq_evk_init);
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