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         OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1030000, "mv_crypto", NULL),
  37         {},
  38 };
  39
  40 static void __init kirkwood_dt_init(void)
  41 {
  42         pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk);
  43
  44         /*
  45          * Disable propagation of mbus errors to the CPU local bus,
  46          * as this causes mbus errors (which can occur for example
  47          * for PCI aborts) to throw CPU aborts, which we're not set
  48          * up to deal with.
  49          */
  50         writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
  51
  52         kirkwood_setup_cpu_mbus();
  53
  54         kirkwood_l2_init();
  55
  56         /* Setup root of clk tree */
  57         kirkwood_clk_init();
  58
  59         /* internal devices that every board has */
  60         kirkwood_xor0_init();
  61         kirkwood_xor1_init();
  62
  63 #ifdef CONFIG_KEXEC
  64         kexec_reinit = kirkwood_enable_pcie;
  65 #endif
  66
  67         if (of_machine_is_compatible("globalscale,dreamplug"))
  68                 dreamplug_init();
  69
  70         if (of_machine_is_compatible("dlink,dns-kirkwood"))
  71                 dnskw_init();
  72
  73         if (of_machine_is_compatible("iom,iconnect"))
  74                 iconnect_init();
  75
  76         if (of_machine_is_compatible("raidsonic,ib-nas62x0"))
  77                 ib62x0_init();
  78
  79         if (of_machine_is_compatible("qnap,ts219"))
  80                 qnap_dt_ts219_init();
  81
  82         if (of_machine_is_compatible("seagate,dockstar"))
  83                 dockstar_dt_init();
  84
  85         if (of_machine_is_compatible("seagate,goflexnet"))
  86                 goflexnet_init();
  87
  88         if (of_machine_is_compatible("buffalo,lsxl"))
  89                 lsxl_init();
  90
  91         if (of_machine_is_compatible("iom,ix2-200"))
  92                 iomega_ix2_200_init();
  93
  94         if (of_machine_is_compatible("keymile,km_kirkwood"))
  95                 km_kirkwood_init();
  96
  97         of_platform_populate(NULL, kirkwood_dt_match_table,
  98                              kirkwood_auxdata_lookup, NULL);
  99 }
 100
 101 static const char *kirkwood_dt_board_compat[] = {
 102         "globalscale,dreamplug",
 103         "dlink,dns-320",
 104         "dlink,dns-325",
 105         "iom,iconnect",
 106         "raidsonic,ib-nas62x0",
 107         "qnap,ts219",
 108         "seagate,dockstar",
 109         "seagate,goflexnet",
 110         "buffalo,lsxl",
 111         "iom,ix2-200",
 112         "keymile,km_kirkwood",
 113         NULL
 114 };
 115
 116 DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)")
 117         /* Maintainer: Jason Cooper <jason@lakedaemon.net> */
 118         .map_io         = kirkwood_map_io,
 119         .init_early     = kirkwood_init_early,
 120         .init_irq       = orion_dt_init_irq,
 121         .timer          = &kirkwood_timer,
 122         .init_machine   = kirkwood_dt_init,
 123         .restart        = kirkwood_restart,
 124         .dt_compat      = kirkwood_dt_board_compat,
 125 MACHINE_END