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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright 2012 (C), Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
   4  *
   5  * arch/arm/mach-orion5x/board-dt.c
   6  *
   7  * Flattened Device Tree board initialization
   8  */
   9
  10 #include <linux/kernel.h>
  11 #include <linux/init.h>
  12 #include <linux/of.h>
  13 #include <linux/of_platform.h>
  14 #include <linux/cpu.h>
  15 #include <linux/mbus.h>
  16 #include <linux/clocksource.h>
  17 #include <asm/system_misc.h>
  18 #include <asm/mach/arch.h>
  19 #include <asm/mach/map.h>
  20 #include <plat/irq.h>
  21 #include <plat/time.h>
  22 #include "orion5x.h"
  23 #include "bridge-regs.h"
  24 #include "common.h"
  25
  26 static struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = {
  27         OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL),
  28         OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",
  29                        NULL),
  30         OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),
  31         OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),
  32         OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1090000, "mv_crypto", NULL),
  33         {},
  34 };
  35
  36 static void __init orion5x_dt_init(void)
  37 {
  38         char *dev_name;
  39         u32 dev, rev;
  40
  41         orion5x_id(&dev, &rev, &dev_name);
  42         printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);
  43
  44         BUG_ON(mvebu_mbus_dt_init(false));
  45
  46         /*
  47          * Setup Orion address map
  48          */
  49         orion5x_setup_wins();
  50
  51         /*
  52          * Don't issue "Wait for Interrupt" instruction if we are
  53          * running on D0 5281 silicon.
  54          */
  55         if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {
  56                 printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");
  57                 cpu_idle_poll_ctrl(true);
  58         }
  59
  60         if (of_machine_is_compatible("maxtor,shared-storage-2"))
  61                 mss2_init();
  62
  63         if (of_machine_is_compatible("lacie,d2-network"))
  64                 d2net_init();
  65
  66         of_platform_default_populate(NULL, orion5x_auxdata_lookup, NULL);
  67 }
  68
  69 static const char *orion5x_dt_compat[] = {
  70         "marvell,orion5x",
  71         NULL,
  72 };
  73
  74 DT_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,
  80 MACHINE_END