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

   1 /*
   2  * Copyright 2012 (C), Jason Cooper <jason@lakedaemon.net>
   3  *
   4  * arch/arm/mach-kirkwood/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/kexec.h>
  18 #include <asm/mach/arch.h>
  19 #include <asm/mach/map.h>
  20 #include <mach/bridge-regs.h>
  21 #include <plat/irq.h>
  22 #include "common.h"
  23
  24 static struct of_device_id kirkwood_dt_match_table[] __initdata = {
  25         { .compatible = "simple-bus", },
  26         { }
  27 };
  28
  29 struct of_dev_auxdata kirkwood_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-nand", 0xf4000000, "orion_nand", NULL),
  36         {},
  37 };
  38
  39 static void __init kirkwood_dt_init(void)
  40 {
  41         pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk);
  42
  43         /*
  44          * Disable propagation of mbus errors to the CPU local bus,
  45          * as this causes mbus errors (which can occur for example
  46          * for PCI aborts) to throw CPU aborts, which we're not set
  47          * up to deal with.
  48          */
  49         writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
  50
  51         kirkwood_setup_cpu_mbus();
  52
  53 #ifdef CONFIG_CACHE_FEROCEON_L2
  54         kirkwood_l2_init();
  55 #endif
  56
  57         /* Setup root of clk tree */
  58         kirkwood_clk_init();
  59
  60         /* internal devices that every board has */
  61         kirkwood_xor0_init();
  62         kirkwood_xor1_init();
  63         kirkwood_crypto_init();
  64
  65 #ifdef CONFIG_KEXEC
  66         kexec_reinit = kirkwood_enable_pcie;
  67 #endif
  68
  69         if (of_machine_is_compatible("globalscale,dreamplug"))
  70                 dreamplug_init();
  71
  72         if (of_machine_is_compatible("dlink,dns-kirkwood"))
  73                 dnskw_init();
  74
  75         if (of_machine_is_compatible("iom,iconnect"))
  76                 iconnect_init();
  77
  78         if (of_machine_is_compatible("raidsonic,ib-nas62x0"))
  79                 ib62x0_init();
  80
  81         if (of_machine_is_compatible("qnap,ts219"))
  82                 qnap_dt_ts219_init();
  83
  84         if (of_machine_is_compatible("seagate,goflexnet"))
  85                 goflexnet_init();
  86
  87         if (of_machine_is_compatible("buffalo,lsxl"))
  88                 lsxl_init();
  89
  90         of_platform_populate(NULL, kirkwood_dt_match_table,
  91                              kirkwood_auxdata_lookup, NULL);
  92 }
  93
  94 static const char *kirkwood_dt_board_compat[] = {
  95         "globalscale,dreamplug",
  96         "dlink,dns-320",
  97         "dlink,dns-325",
  98         "iom,iconnect",
  99         "raidsonic,ib-nas62x0",
 100         "qnap,ts219",
 101         "seagate,goflexnet",
 102         "buffalo,lsxl",
 103         NULL
 104 };
 105
 106 DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)")
 107         /* Maintainer: Jason Cooper <jason@lakedaemon.net> */
 108         .map_io         = kirkwood_map_io,
 109         .init_early     = kirkwood_init_early,
 110         .init_irq       = orion_dt_init_irq,
 111         .timer          = &kirkwood_timer,
 112         .init_machine   = kirkwood_dt_init,
 113         .restart        = kirkwood_restart,
 114         .dt_compat      = kirkwood_dt_board_compat,
 115 MACHINE_END