Quelle  board-dt.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright 2012 (C), Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
 *
 * arch/arm/mach-orion5x/board-dt.c
 *
 * Flattened Device Tree board initialization
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/cpu.h>
#include <linux/mbus.h>
#include <linux/clocksource.h>
#include <asm/system_misc.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <plat/irq.h>
#include <plat/time.h>
#include "orion5x.h"
#include "bridge-regs.h"
#include "common.h"

static struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = {
 OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL),
 OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",
         NULL),
 OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),
 OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),
 OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1090000, "mv_crypto", NULL),
 {},
};

static void __init orion5x_dt_init(void)
{
 char *dev_name;
 u32 dev, rev;

 orion5x_id(&dev, &rev, &dev_name);
 printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);

 BUG_ON(mvebu_mbus_dt_init(false));

 /*
 * Setup Orion address map
 */
 orion5x_setup_wins();

 /*
 * Don't issue "Wait for Interrupt" instruction if we are
 * running on D0 5281 silicon.
 */
 if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {
  printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");
  cpu_idle_poll_ctrl(true);
 }

 if (of_machine_is_compatible("maxtor,shared-storage-2"))
  mss2_init();

 if (of_machine_is_compatible("lacie,d2-network"))
  d2net_init();

 of_platform_default_populate(NULL, orion5x_auxdata_lookup, NULL);
}

static const char *orion5x_dt_compat[] = {
 "marvell,orion5x",
 NULL,
};

DT_MACHINE_START(ORION5X_DT, "Marvell Orion5x (Flattened Device Tree)")
 /* Maintainer: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> */
 .map_io  = orion5x_map_io,
 .init_machine = orion5x_dt_init,
 .restart = orion5x_restart,
 .dt_compat = orion5x_dt_compat,
MACHINE_END