93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
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* Copyright (C) 2013 Hubert Feurstein <h.feurstein@gmail.com>
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*
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* based on arch/arm/boards/freescale-mx6-sabrelite/board.c
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* Copyright (C) 2012 Steffen Trumtrar, Pengutronix
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <common.h>
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#include <init.h>
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#include <environment.h>
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#include <mach/imx6-regs.h>
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#include <fec.h>
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#include <gpio.h>
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#include <asm/armlinux.h>
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#include <generated/mach-types.h>
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#include <partition.h>
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#include <linux/phy.h>
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#include <asm/io.h>
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#include <asm/mmu.h>
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#include <mach/generic.h>
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#include <sizes.h>
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#include <net.h>
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#include <mach/imx6.h>
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#include <mach/devices-imx6.h>
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#include <mach/iomux-mx6.h>
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#include <spi/spi.h>
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#include <mach/spi.h>
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#include <mach/usb.h>
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#define PHY_ID_AR8031 0x004dd074
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#define AR_PHY_ID_MASK 0xffffffff
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static int ar8031_phy_fixup(struct phy_device *dev)
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{
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u16 val;
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/* To enable AR8031 ouput a 125MHz clk from CLK_25M */
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phy_write(dev, 0xd, 0x7);
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phy_write(dev, 0xe, 0x8016);
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phy_write(dev, 0xd, 0x4007);
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val = phy_read(dev, 0xe);
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val &= 0xffe3;
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val |= 0x18;
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phy_write(dev, 0xe, val);
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/* introduce tx clock delay */
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phy_write(dev, 0x1d, 0x5);
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val = phy_read(dev, 0x1e);
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val |= 0x0100;
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phy_write(dev, 0x1e, val);
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return 0;
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}
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static int sabresd_devices_init(void)
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{
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if (!of_machine_is_compatible("fsl,imx6q-sabresd"))
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return 0;
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armlinux_set_architecture(3980);
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barebox_set_hostname("sabresd");
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return 0;
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}
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device_initcall(sabresd_devices_init);
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static int sabresd_coredevices_init(void)
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{
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if (!of_machine_is_compatible("fsl,imx6q-sabresd"))
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return 0;
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phy_register_fixup_for_uid(PHY_ID_AR8031, AR_PHY_ID_MASK,
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ar8031_phy_fixup);
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return 0;
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}
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/*
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* Do this before the fec initializes but after our
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* gpios are available.
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*/
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coredevice_initcall(sabresd_coredevices_init);
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