LXR linux/arch/arm/mach-orion5x/board-dt.c

   1/*
   2 * Copyright 2012 (C), Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
   3 *
   4 * arch/arm/mach-orion5x/board-dt.c
   5 *
   6 * Flattened Device Tree board initialization
   7 *
   8 * This file is licensed under the terms of the GNU General Public
   9 * License version 2.  This program is licensed "as is" without any
  10 * warranty of any kind, whether express or implied.
  11 */
  12
  13#include <linux/kernel.h>
  14#include <linux/init.h>
  15#include <linux/of.h>
  16#include <linux/of_platform.h>
  17#include <linux/cpu.h>
  18#include <linux/mbus.h>
  19#include <linux/clocksource.h>
  20#include <asm/system_misc.h>
  21#include <asm/mach/arch.h>
  22#include <asm/mach/map.h>
  23#include <plat/irq.h>
  24#include <plat/time.h>
  25#include "orion5x.h"
  26#include "bridge-regs.h"
  27#include "common.h"
  28
  29static struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = {
  30        OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL),
  31        OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",
  32                       NULL),
  33        OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),
  34        OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),
  35        OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1090000, "mv_crypto", NULL),
  36        {},
  37};
  38
  39static void __init orion5x_dt_init(void)
  40{
  41        char *dev_name;
  42        u32 dev, rev;
  43
  44        orion5x_id(&dev, &rev, &dev_name);
  45        printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);
  46
  47        BUG_ON(mvebu_mbus_dt_init(false));
  48
  49        /*
  50         * Setup Orion address map
  51         */
  52        orion5x_setup_wins();
  53
  54        /*
  55         * Don't issue "Wait for Interrupt" instruction if we are
  56         * running on D0 5281 silicon.
  57         */
  58        if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {
  59                printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");
  60                cpu_idle_poll_ctrl(true);
  61        }
  62
  63        if (of_machine_is_compatible("maxtor,shared-storage-2"))
  64                mss2_init();
  65
  66        of_platform_default_populate(NULL, orion5x_auxdata_lookup, NULL);
  67}
  68
  69static const char *orion5x_dt_compat[] = {
  70        "marvell,orion5x",
  71        NULL,
  72};
  73
  74DT_MACHINE_START(ORION5X_DT, "Marvell Orion5x (Flattened Device Tree)")
  75        /* Maintainer: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> */
  76        .map_io         = orion5x_map_io,
  77        .init_machine   = orion5x_dt_init,
  78        .restart        = orion5x_restart,
  79        .dt_compat      = orion5x_dt_compat,
  80MACHINE_END
  81