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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/arm/mach-orion5x/board-dt.c
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// SPDX-License-Identifier: GPL-2.0-only

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/*

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 * Copyright 2012 (C), Thomas Petazzoni <[email protected]>

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 *

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 * arch/arm/mach-orion5x/board-dt.c

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 *

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 * Flattened Device Tree board initialization

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 */

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#include <linux/kernel.h>

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#include <linux/init.h>

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#include <linux/of.h>

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#include <linux/of_platform.h>

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#include <linux/cpu.h>

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#include <linux/mbus.h>

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#include <linux/clocksource.h>

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#include <asm/system_misc.h>

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#include <asm/mach/arch.h>

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#include <asm/mach/map.h>

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#include <plat/irq.h>

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#include <plat/time.h>

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#include "orion5x.h"

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#include "bridge-regs.h"

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#include "common.h"

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static struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = {

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	OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL),

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	OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",

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		       NULL),

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	OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),

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	OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),

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	OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1090000, "mv_crypto", NULL),

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	{},

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};

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static void __init orion5x_dt_init(void)

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{

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	char *dev_name;

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	u32 dev, rev;

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	orion5x_id(&dev, &rev, &dev_name);

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	printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);

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	BUG_ON(mvebu_mbus_dt_init(false));

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	/*

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	 * Setup Orion address map

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	 */

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	orion5x_setup_wins();

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	/*

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	 * Don't issue "Wait for Interrupt" instruction if we are

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	 * running on D0 5281 silicon.

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	 */

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	if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {

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		printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");

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		cpu_idle_poll_ctrl(true);

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	}

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	if (of_machine_is_compatible("maxtor,shared-storage-2"))

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		mss2_init();

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	if (of_machine_is_compatible("lacie,d2-network"))

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		d2net_init();

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	of_platform_default_populate(NULL, orion5x_auxdata_lookup, NULL);

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}

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static const char *orion5x_dt_compat[] = {

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	"marvell,orion5x",

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	NULL,

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};

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DT_MACHINE_START(ORION5X_DT, "Marvell Orion5x (Flattened Device Tree)")

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	/* Maintainer: Thomas Petazzoni <[email protected]> */

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	.map_io		= orion5x_map_io,

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	.init_machine	= orion5x_dt_init,

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	.restart	= orion5x_restart,

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	.dt_compat	= orion5x_dt_compat,

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MACHINE_END

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