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// SPDX-License-Identifier: GPL-2.0-only
#include <asm/armlinux.h>
#include <asm/io.h>
#include <bootsource.h>
#include <common.h>
#include <environment.h>
#include <envfs.h>
#include <gpio.h>
#include <init.h>
#include <mach/imx/bbu.h>
#include <mach/imx/generic.h>
#include <mach/imx/imx6-regs.h>
#include <mach/imx/imx6.h>
#include <mfd/imx6q-iomuxc-gpr.h>
#include <linux/sizes.h>
#include <linux/phy.h>
#define PHY_ID_AR8031 0x004dd074
#define AR_PHY_ID_MASK 0xffffffff
static int ar8031_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
*/
phy_write(dev, 0xd, 0x3);
phy_write(dev, 0xe, 0x805d);
phy_write(dev, 0xd, 0x4003);
val = phy_read(dev, 0xe);
phy_write(dev, 0xe, val & ~(1 << 8));
/* To enable AR8031 ouput a 125MHz clk from CLK_25M */
phy_write(dev, 0xd, 0x7);
phy_write(dev, 0xe, 0x8016);
phy_write(dev, 0xd, 0x4007);
val = phy_read(dev, 0xe);
val &= 0xffe3;
val |= 0x18;
phy_write(dev, 0xe, val);
/* introduce tx clock delay */
phy_write(dev, 0x1d, 0x5);
val = phy_read(dev, 0x1e);
val |= 0x0100;
phy_write(dev, 0x1e, val);
return 0;
}
static int wandboard_device_init(void)
{
if (!of_machine_is_compatible("wand,imx6dl-wandboard") &&
!of_machine_is_compatible("wand,imx6q-wandboard"))
return 0;
phy_register_fixup_for_uid(PHY_ID_AR8031, AR_PHY_ID_MASK, ar8031_phy_fixup);
barebox_set_hostname("wandboard");
imx6_bbu_internal_mmc_register_handler("mmc", "/dev/mmc2.barebox",
BBU_HANDLER_FLAG_DEFAULT);
return 0;
}
device_initcall(wandboard_device_init);
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