arch/powerpc/platforms/85xx/mpc85xx_mds.c - kernel/quantenna - Git at Google

 /*
  * Copyright (C) 2006-2010, 2012-2013 Freescale Semiconductor, Inc.
  * All rights reserved.
  *
  * Author: Andy Fleming <afleming@freescale.com>
  *
  * Based on 83xx/mpc8360e_pb.c by:
  *	   Li Yang <LeoLi@freescale.com>
  *	   Yin Olivia <Hong-hua.Yin@freescale.com>
  *
  * Description:
  * MPC85xx MDS board specific routines.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
  * Free Software Foundation;  either version 2 of the  License, or (at your
  * option) any later version.
  */

 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/reboot.h>
 #include <linux/pci.h>
 #include <linux/kdev_t.h>
 #include <linux/major.h>
 #include <linux/console.h>
 #include <linux/delay.h>
 #include <linux/seq_file.h>
 #include <linux/initrd.h>
 #include <linux/fsl_devices.h>
 #include <linux/of_platform.h>
 #include <linux/of_device.h>
 #include <linux/phy.h>
 #include <linux/memblock.h>
 #include <linux/fsl/guts.h>

 #include <linux/atomic.h>
 #include <asm/time.h>
 #include <asm/io.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
 #include <asm/irq.h>
 #include <mm/mmu_decl.h>
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
 #include <sysdev/simple_gpio.h>
 #include <soc/fsl/qe/qe.h>
 #include <soc/fsl/qe/qe_ic.h>
 #include <asm/mpic.h>
 #include <asm/swiotlb.h>
 #include "smp.h"

 #include "mpc85xx.h"

 #undef DEBUG
 #ifdef DEBUG
 #define DBG(fmt...) udbg_printf(fmt)
 #else
 #define DBG(fmt...)
 #endif

 #define MV88E1111_SCR	0x10
 #define MV88E1111_SCR_125CLK	0x0010
 static int mpc8568_fixup_125_clock(struct phy_device *phydev)
 {
 	int scr;
 	int err;

 	/* Workaround for the 125 CLK Toggle */
 	scr = phy_read(phydev, MV88E1111_SCR);

 	if (scr < 0)
 		return scr;

 	err = phy_write(phydev, MV88E1111_SCR, scr & ~(MV88E1111_SCR_125CLK));

 	if (err)
 		return err;

 	err = phy_write(phydev, MII_BMCR, BMCR_RESET);

 	if (err)
 		return err;

 	scr = phy_read(phydev, MV88E1111_SCR);

 	if (scr < 0)
 		return scr;

 	err = phy_write(phydev, MV88E1111_SCR, scr | 0x0008);

 	return err;
 }

 static int mpc8568_mds_phy_fixups(struct phy_device *phydev)
 {
 	int temp;
 	int err;

 	/* Errata */
 	err = phy_write(phydev,29, 0x0006);

 	if (err)
 		return err;

 	temp = phy_read(phydev, 30);

 	if (temp < 0)
 		return temp;

 	temp = (temp & (~0x8000)) | 0x4000;
 	err = phy_write(phydev,30, temp);

 	if (err)
 		return err;

 	err = phy_write(phydev,29, 0x000a);

 	if (err)
 		return err;

 	temp = phy_read(phydev, 30);

 	if (temp < 0)
 		return temp;

 	temp = phy_read(phydev, 30);

 	if (temp < 0)
 		return temp;

 	temp &= ~0x0020;

 	err = phy_write(phydev,30,temp);

 	if (err)
 		return err;

 	/* Disable automatic MDI/MDIX selection */
 	temp = phy_read(phydev, 16);

 	if (temp < 0)
 		return temp;

 	temp &= ~0x0060;
 	err = phy_write(phydev,16,temp);

 	return err;
 }

 /* ************************************************************************
  *
  * Setup the architecture
  *
  */
 #ifdef CONFIG_QUICC_ENGINE
 static void __init mpc85xx_mds_reset_ucc_phys(void)
 {
 	struct device_node *np;
 	static u8 __iomem *bcsr_regs;

 	/* Map BCSR area */
 	np = of_find_node_by_name(NULL, "bcsr");
 	if (!np)
 		return;

 	bcsr_regs = of_iomap(np, 0);
 	of_node_put(np);
 	if (!bcsr_regs)
 		return;

 	if (machine_is(mpc8568_mds)) {
 #define BCSR_UCC1_GETH_EN	(0x1 << 7)
 #define BCSR_UCC2_GETH_EN	(0x1 << 7)
 #define BCSR_UCC1_MODE_MSK	(0x3 << 4)
 #define BCSR_UCC2_MODE_MSK	(0x3 << 0)

 		/* Turn off UCC1 & UCC2 */
 		clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
 		clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);

 		/* Mode is RGMII, all bits clear */
 		clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK |
 					 BCSR_UCC2_MODE_MSK);

 		/* Turn UCC1 & UCC2 on */
 		setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
 		setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
 	} else if (machine_is(mpc8569_mds)) {
 #define BCSR7_UCC12_GETHnRST	(0x1 << 2)
 #define BCSR8_UEM_MARVELL_RST	(0x1 << 1)
 #define BCSR_UCC_RGMII		(0x1 << 6)
 #define BCSR_UCC_RTBI		(0x1 << 5)
 		/*
 		 * U-Boot mangles interrupt polarity for Marvell PHYs,
 		 * so reset built-in and UEM Marvell PHYs, this puts
 		 * the PHYs into their normal state.
 		 */
 		clrbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST);
 		setbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST);

 		setbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST);
 		clrbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST);

 		for_each_compatible_node(np, "network", "ucc_geth") {
 			const unsigned int *prop;
 			int ucc_num;

 			prop = of_get_property(np, "cell-index", NULL);
 			if (prop == NULL)
 				continue;

 			ucc_num = *prop - 1;

 			prop = of_get_property(np, "phy-connection-type", NULL);
 			if (prop == NULL)
 				continue;

 			if (strcmp("rtbi", (const char *)prop) == 0)
 				clrsetbits_8(&bcsr_regs[7 + ucc_num],
 					BCSR_UCC_RGMII, BCSR_UCC_RTBI);
 		}
 	} else if (machine_is(p1021_mds)) {
 #define BCSR11_ENET_MICRST     (0x1 << 5)
 		/* Reset Micrel PHY */
 		clrbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);
 		setbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);
 	}

 	iounmap(bcsr_regs);
 }

 static void __init mpc85xx_mds_qe_init(void)
 {
 	struct device_node *np;

 	mpc85xx_qe_init();
 	mpc85xx_qe_par_io_init();
 	mpc85xx_mds_reset_ucc_phys();

 	if (machine_is(p1021_mds)) {

 		struct ccsr_guts __iomem *guts;

 		np = of_find_node_by_name(NULL, "global-utilities");
 		if (np) {
 			guts = of_iomap(np, 0);
 			if (!guts)
 				pr_err("mpc85xx-rdb: could not map global utilities register\n");
 			else{
 			/* P1021 has pins muxed for QE and other functions. To
 			 * enable QE UEC mode, we need to set bit QE0 for UCC1
 			 * in Eth mode, QE0 and QE3 for UCC5 in Eth mode, QE9
 			 * and QE12 for QE MII management signals in PMUXCR
 			 * register.
 			 */
 				setbits32(&guts->pmuxcr, MPC85xx_PMUXCR_QE(0) |
 						  MPC85xx_PMUXCR_QE(3) |
 						  MPC85xx_PMUXCR_QE(9) |
 						  MPC85xx_PMUXCR_QE(12));
 				iounmap(guts);
 			}
 			of_node_put(np);
 		}

 	}
 }

 static void __init mpc85xx_mds_qeic_init(void)
 {
 	struct device_node *np;

 	np = of_find_compatible_node(NULL, NULL, "fsl,qe");
 	if (!of_device_is_available(np)) {
 		of_node_put(np);
 		return;
 	}

 	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
 	if (!np) {
 		np = of_find_node_by_type(NULL, "qeic");
 		if (!np)
 			return;
 	}

 	if (machine_is(p1021_mds))
 		qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
 				qe_ic_cascade_high_mpic);
 	else
 		qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);
 	of_node_put(np);
 }
 #else
 static void __init mpc85xx_mds_qe_init(void) { }
 static void __init mpc85xx_mds_qeic_init(void) { }
 #endif	/* CONFIG_QUICC_ENGINE */

 static void __init mpc85xx_mds_setup_arch(void)
 {
 	if (ppc_md.progress)
 		ppc_md.progress("mpc85xx_mds_setup_arch()", 0);

 	mpc85xx_smp_init();

 	mpc85xx_mds_qe_init();

 	fsl_pci_assign_primary();

 	swiotlb_detect_4g();
 }


 static int __init board_fixups(void)
 {
 	char phy_id[20];
 	char *compstrs[2] = {"fsl,gianfar-mdio", "fsl,ucc-mdio"};
 	struct device_node *mdio;
 	struct resource res;
 	int i;

 	for (i = 0; i < ARRAY_SIZE(compstrs); i++) {
 		mdio = of_find_compatible_node(NULL, NULL, compstrs[i]);

 		of_address_to_resource(mdio, 0, &res);
 		snprintf(phy_id, sizeof(phy_id), "%llx:%02x",
 			(unsigned long long)res.start, 1);

 		phy_register_fixup_for_id(phy_id, mpc8568_fixup_125_clock);
 		phy_register_fixup_for_id(phy_id, mpc8568_mds_phy_fixups);

 		/* Register a workaround for errata */
 		snprintf(phy_id, sizeof(phy_id), "%llx:%02x",
 			(unsigned long long)res.start, 7);
 		phy_register_fixup_for_id(phy_id, mpc8568_mds_phy_fixups);

 		of_node_put(mdio);
 	}

 	return 0;
 }
 machine_arch_initcall(mpc8568_mds, board_fixups);
 machine_arch_initcall(mpc8569_mds, board_fixups);

 static int __init mpc85xx_publish_devices(void)
 {
 	if (machine_is(mpc8568_mds))
 		simple_gpiochip_init("fsl,mpc8568mds-bcsr-gpio");
 	if (machine_is(mpc8569_mds))
 		simple_gpiochip_init("fsl,mpc8569mds-bcsr-gpio");

 	return mpc85xx_common_publish_devices();
 }

 machine_arch_initcall(mpc8568_mds, mpc85xx_publish_devices);
 machine_arch_initcall(mpc8569_mds, mpc85xx_publish_devices);
 machine_arch_initcall(p1021_mds, mpc85xx_common_publish_devices);

 machine_arch_initcall(mpc8568_mds, swiotlb_setup_bus_notifier);
 machine_arch_initcall(mpc8569_mds, swiotlb_setup_bus_notifier);
 machine_arch_initcall(p1021_mds, swiotlb_setup_bus_notifier);

 static void __init mpc85xx_mds_pic_init(void)
 {
 	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
 			MPIC_SINGLE_DEST_CPU,
 			0, 256, " OpenPIC  ");
 	BUG_ON(mpic == NULL);

 	mpic_init(mpic);
 	mpc85xx_mds_qeic_init();
 }

 static int __init mpc85xx_mds_probe(void)
 {
         unsigned long root = of_get_flat_dt_root();

         return of_flat_dt_is_compatible(root, "MPC85xxMDS");
 }

 define_machine(mpc8568_mds) {
 	.name		= "MPC8568 MDS",
 	.probe		= mpc85xx_mds_probe,
 	.setup_arch	= mpc85xx_mds_setup_arch,
 	.init_IRQ	= mpc85xx_mds_pic_init,
 	.get_irq	= mpic_get_irq,
 	.restart	= fsl_rstcr_restart,
 	.calibrate_decr	= generic_calibrate_decr,
 	.progress	= udbg_progress,
 #ifdef CONFIG_PCI
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
 #endif
 };

 static int __init mpc8569_mds_probe(void)
 {
 	unsigned long root = of_get_flat_dt_root();

 	return of_flat_dt_is_compatible(root, "fsl,MPC8569EMDS");
 }

 define_machine(mpc8569_mds) {
 	.name		= "MPC8569 MDS",
 	.probe		= mpc8569_mds_probe,
 	.setup_arch	= mpc85xx_mds_setup_arch,
 	.init_IRQ	= mpc85xx_mds_pic_init,
 	.get_irq	= mpic_get_irq,
 	.restart	= fsl_rstcr_restart,
 	.calibrate_decr	= generic_calibrate_decr,
 	.progress	= udbg_progress,
 #ifdef CONFIG_PCI
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
 #endif
 };

 static int __init p1021_mds_probe(void)
 {
 	unsigned long root = of_get_flat_dt_root();

 	return of_flat_dt_is_compatible(root, "fsl,P1021MDS");

 }

 define_machine(p1021_mds) {
 	.name		= "P1021 MDS",
 	.probe		= p1021_mds_probe,
 	.setup_arch	= mpc85xx_mds_setup_arch,
 	.init_IRQ	= mpc85xx_mds_pic_init,
 	.get_irq	= mpic_get_irq,
 	.restart	= fsl_rstcr_restart,
 	.calibrate_decr	= generic_calibrate_decr,
 	.progress	= udbg_progress,
 #ifdef CONFIG_PCI
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
 #endif
 };
	/*
	* Copyright (C) 2006-2010, 2012-2013 Freescale Semiconductor, Inc.
	* All rights reserved.
	*
	* Author: Andy Fleming <afleming@freescale.com>
	*
	* Based on 83xx/mpc8360e_pb.c by:
	* Li Yang <LeoLi@freescale.com>
	* Yin Olivia <Hong-hua.Yin@freescale.com>
	*
	* Description:
	* MPC85xx MDS board specific routines.
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License as published by the
	* Free Software Foundation; either version 2 of the License, or (at your
	* option) any later version.
	*/

	#include <linux/stddef.h>
	#include <linux/kernel.h>
	#include <linux/init.h>
	#include <linux/errno.h>
	#include <linux/reboot.h>
	#include <linux/pci.h>
	#include <linux/kdev_t.h>
	#include <linux/major.h>
	#include <linux/console.h>
	#include <linux/delay.h>
	#include <linux/seq_file.h>
	#include <linux/initrd.h>
	#include <linux/fsl_devices.h>
	#include <linux/of_platform.h>
	#include <linux/of_device.h>
	#include <linux/phy.h>
	#include <linux/memblock.h>
	#include <linux/fsl/guts.h>

	#include <linux/atomic.h>
	#include <asm/time.h>
	#include <asm/io.h>
	#include <asm/machdep.h>
	#include <asm/pci-bridge.h>
	#include <asm/irq.h>
	#include <mm/mmu_decl.h>
	#include <asm/prom.h>
	#include <asm/udbg.h>
	#include <sysdev/fsl_soc.h>
	#include <sysdev/fsl_pci.h>
	#include <sysdev/simple_gpio.h>
	#include <soc/fsl/qe/qe.h>
	#include <soc/fsl/qe/qe_ic.h>
	#include <asm/mpic.h>
	#include <asm/swiotlb.h>
	#include "smp.h"

	#include "mpc85xx.h"

	#undef DEBUG
	#ifdef DEBUG
	#define DBG(fmt...) udbg_printf(fmt)
	#else
	#define DBG(fmt...)
	#endif

	#define MV88E1111_SCR 0x10
	#define MV88E1111_SCR_125CLK 0x0010
	static int mpc8568_fixup_125_clock(struct phy_device *phydev)
	{
	int scr;
	int err;

	/* Workaround for the 125 CLK Toggle */
	scr = phy_read(phydev, MV88E1111_SCR);

	if (scr < 0)
	return scr;

	err = phy_write(phydev, MV88E1111_SCR, scr & ~(MV88E1111_SCR_125CLK));

	if (err)
	return err;

	err = phy_write(phydev, MII_BMCR, BMCR_RESET);

	if (err)
	return err;

	scr = phy_read(phydev, MV88E1111_SCR);

	if (scr < 0)
	return scr;

	err = phy_write(phydev, MV88E1111_SCR, scr \| 0x0008);

	return err;
	}

	static int mpc8568_mds_phy_fixups(struct phy_device *phydev)
	{
	int temp;
	int err;

	/* Errata */
	err = phy_write(phydev,29, 0x0006);

	if (err)
	return err;

	temp = phy_read(phydev, 30);

	if (temp < 0)
	return temp;

	temp = (temp & (~0x8000)) \| 0x4000;
	err = phy_write(phydev,30, temp);

	if (err)
	return err;

	err = phy_write(phydev,29, 0x000a);

	if (err)
	return err;

	temp = phy_read(phydev, 30);

	if (temp < 0)
	return temp;

	temp = phy_read(phydev, 30);

	if (temp < 0)
	return temp;

	temp &= ~0x0020;

	err = phy_write(phydev,30,temp);

	if (err)
	return err;

	/* Disable automatic MDI/MDIX selection */
	temp = phy_read(phydev, 16);

	if (temp < 0)
	return temp;

	temp &= ~0x0060;
	err = phy_write(phydev,16,temp);

	return err;
	}

	/* ************************************************************************
	*
	* Setup the architecture
	*
	*/
	#ifdef CONFIG_QUICC_ENGINE
	static void __init mpc85xx_mds_reset_ucc_phys(void)
	{
	struct device_node *np;
	static u8 __iomem *bcsr_regs;

	/* Map BCSR area */
	np = of_find_node_by_name(NULL, "bcsr");
	if (!np)
	return;

	bcsr_regs = of_iomap(np, 0);
	of_node_put(np);
	if (!bcsr_regs)
	return;

	if (machine_is(mpc8568_mds)) {
	#define BCSR_UCC1_GETH_EN (0x1 << 7)
	#define BCSR_UCC2_GETH_EN (0x1 << 7)
	#define BCSR_UCC1_MODE_MSK (0x3 << 4)
	#define BCSR_UCC2_MODE_MSK (0x3 << 0)

	/* Turn off UCC1 & UCC2 */
	clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
	clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);

	/* Mode is RGMII, all bits clear */
	clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK \|
	BCSR_UCC2_MODE_MSK);

	/* Turn UCC1 & UCC2 on */
	setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
	setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
	} else if (machine_is(mpc8569_mds)) {
	#define BCSR7_UCC12_GETHnRST (0x1 << 2)
	#define BCSR8_UEM_MARVELL_RST (0x1 << 1)
	#define BCSR_UCC_RGMII (0x1 << 6)
	#define BCSR_UCC_RTBI (0x1 << 5)
	/*
	* U-Boot mangles interrupt polarity for Marvell PHYs,
	* so reset built-in and UEM Marvell PHYs, this puts
	* the PHYs into their normal state.
	*/
	clrbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST);
	setbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST);

	setbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST);
	clrbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST);

	for_each_compatible_node(np, "network", "ucc_geth") {
	const unsigned int *prop;
	int ucc_num;

	prop = of_get_property(np, "cell-index", NULL);
	if (prop == NULL)
	continue;

	ucc_num = *prop - 1;

	prop = of_get_property(np, "phy-connection-type", NULL);
	if (prop == NULL)
	continue;

	if (strcmp("rtbi", (const char *)prop) == 0)
	clrsetbits_8(&bcsr_regs[7 + ucc_num],
	BCSR_UCC_RGMII, BCSR_UCC_RTBI);
	}
	} else if (machine_is(p1021_mds)) {
	#define BCSR11_ENET_MICRST (0x1 << 5)
	/* Reset Micrel PHY */
	clrbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);
	setbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);
	}

	iounmap(bcsr_regs);
	}

	static void __init mpc85xx_mds_qe_init(void)
	{
	struct device_node *np;

	mpc85xx_qe_init();
	mpc85xx_qe_par_io_init();
	mpc85xx_mds_reset_ucc_phys();

	if (machine_is(p1021_mds)) {

	struct ccsr_guts __iomem *guts;

	np = of_find_node_by_name(NULL, "global-utilities");
	if (np) {
	guts = of_iomap(np, 0);
	if (!guts)
	pr_err("mpc85xx-rdb: could not map global utilities register\n");
	else{
	/* P1021 has pins muxed for QE and other functions. To
	* enable QE UEC mode, we need to set bit QE0 for UCC1
	* in Eth mode, QE0 and QE3 for UCC5 in Eth mode, QE9
	* and QE12 for QE MII management signals in PMUXCR
	* register.
	*/
	setbits32(&guts->pmuxcr, MPC85xx_PMUXCR_QE(0) \|
	MPC85xx_PMUXCR_QE(3) \|
	MPC85xx_PMUXCR_QE(9) \|
	MPC85xx_PMUXCR_QE(12));
	iounmap(guts);
	}
	of_node_put(np);
	}

	}
	}

	static void __init mpc85xx_mds_qeic_init(void)
	{
	struct device_node *np;

	np = of_find_compatible_node(NULL, NULL, "fsl,qe");
	if (!of_device_is_available(np)) {
	of_node_put(np);
	return;
	}

	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
	if (!np) {
	np = of_find_node_by_type(NULL, "qeic");
	if (!np)
	return;
	}

	if (machine_is(p1021_mds))
	qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
	qe_ic_cascade_high_mpic);
	else
	qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);
	of_node_put(np);
	}
	#else
	static void __init mpc85xx_mds_qe_init(void) { }
	static void __init mpc85xx_mds_qeic_init(void) { }
	#endif /* CONFIG_QUICC_ENGINE */

	static void __init mpc85xx_mds_setup_arch(void)
	{
	if (ppc_md.progress)
	ppc_md.progress("mpc85xx_mds_setup_arch()", 0);

	mpc85xx_smp_init();

	mpc85xx_mds_qe_init();

	fsl_pci_assign_primary();

	swiotlb_detect_4g();
	}


	static int __init board_fixups(void)
	{
	char phy_id[20];
	char *compstrs[2] = {"fsl,gianfar-mdio", "fsl,ucc-mdio"};
	struct device_node *mdio;
	struct resource res;
	int i;

	for (i = 0; i < ARRAY_SIZE(compstrs); i++) {
	mdio = of_find_compatible_node(NULL, NULL, compstrs[i]);

	of_address_to_resource(mdio, 0, &res);
	snprintf(phy_id, sizeof(phy_id), "%llx:%02x",
	(unsigned long long)res.start, 1);

	phy_register_fixup_for_id(phy_id, mpc8568_fixup_125_clock);
	phy_register_fixup_for_id(phy_id, mpc8568_mds_phy_fixups);

	/* Register a workaround for errata */
	snprintf(phy_id, sizeof(phy_id), "%llx:%02x",
	(unsigned long long)res.start, 7);
	phy_register_fixup_for_id(phy_id, mpc8568_mds_phy_fixups);

	of_node_put(mdio);
	}

	return 0;
	}
	machine_arch_initcall(mpc8568_mds, board_fixups);
	machine_arch_initcall(mpc8569_mds, board_fixups);

	static int __init mpc85xx_publish_devices(void)
	{
	if (machine_is(mpc8568_mds))
	simple_gpiochip_init("fsl,mpc8568mds-bcsr-gpio");
	if (machine_is(mpc8569_mds))
	simple_gpiochip_init("fsl,mpc8569mds-bcsr-gpio");

	return mpc85xx_common_publish_devices();
	}

	machine_arch_initcall(mpc8568_mds, mpc85xx_publish_devices);
	machine_arch_initcall(mpc8569_mds, mpc85xx_publish_devices);
	machine_arch_initcall(p1021_mds, mpc85xx_common_publish_devices);

	machine_arch_initcall(mpc8568_mds, swiotlb_setup_bus_notifier);
	machine_arch_initcall(mpc8569_mds, swiotlb_setup_bus_notifier);
	machine_arch_initcall(p1021_mds, swiotlb_setup_bus_notifier);

	static void __init mpc85xx_mds_pic_init(void)
	{
	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN \|
	MPIC_SINGLE_DEST_CPU,
	0, 256, " OpenPIC ");
	BUG_ON(mpic == NULL);

	mpic_init(mpic);
	mpc85xx_mds_qeic_init();
	}

	static int __init mpc85xx_mds_probe(void)
	{
	unsigned long root = of_get_flat_dt_root();

	return of_flat_dt_is_compatible(root, "MPC85xxMDS");
	}

	define_machine(mpc8568_mds) {
	.name = "MPC8568 MDS",
	.probe = mpc85xx_mds_probe,
	.setup_arch = mpc85xx_mds_setup_arch,
	.init_IRQ = mpc85xx_mds_pic_init,
	.get_irq = mpic_get_irq,
	.restart = fsl_rstcr_restart,
	.calibrate_decr = generic_calibrate_decr,
	.progress = udbg_progress,
	#ifdef CONFIG_PCI
	.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
	.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
	#endif
	};

	static int __init mpc8569_mds_probe(void)
	{
	unsigned long root = of_get_flat_dt_root();

	return of_flat_dt_is_compatible(root, "fsl,MPC8569EMDS");
	}

	define_machine(mpc8569_mds) {
	.name = "MPC8569 MDS",
	.probe = mpc8569_mds_probe,
	.setup_arch = mpc85xx_mds_setup_arch,
	.init_IRQ = mpc85xx_mds_pic_init,
	.get_irq = mpic_get_irq,
	.restart = fsl_rstcr_restart,
	.calibrate_decr = generic_calibrate_decr,
	.progress = udbg_progress,
	#ifdef CONFIG_PCI
	.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
	.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
	#endif
	};

	static int __init p1021_mds_probe(void)
	{
	unsigned long root = of_get_flat_dt_root();

	return of_flat_dt_is_compatible(root, "fsl,P1021MDS");

	}

	define_machine(p1021_mds) {
	.name = "P1021 MDS",
	.probe = p1021_mds_probe,
	.setup_arch = mpc85xx_mds_setup_arch,
	.init_IRQ = mpc85xx_mds_pic_init,
	.get_irq = mpic_get_irq,
	.restart = fsl_rstcr_restart,
	.calibrate_decr = generic_calibrate_decr,
	.progress = udbg_progress,
	#ifdef CONFIG_PCI
	.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
	.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
	#endif
	};