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 static 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,mv64xxx-i2c", 0xf1011100, "mv64xxx_i2c.1",
  34                        NULL),
  35         OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),
  36         OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),
  37         OF_DEV_AUXDATA("marvell,orion-nand", 0xf4000000, "orion_nand", NULL),
  38         OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1030000, "mv_crypto", NULL),
  39         {},
  40 };
  41
  42 static void __init kirkwood_dt_init(void)
  43 {
  44         pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk);
  45
  46         /*
  47          * Disable propagation of mbus errors to the CPU local bus,
  48          * as this causes mbus errors (which can occur for example
  49          * for PCI aborts) to throw CPU aborts, which we're not set
  50          * up to deal with.
  51          */
  52         writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
  53
  54         kirkwood_setup_cpu_mbus();
  55
  56         kirkwood_l2_init();
  57
  58         /* Setup root of clk tree */
  59         kirkwood_clk_init();
  60
  61         /* internal devices that every board has */
  62         kirkwood_xor0_init();
  63         kirkwood_xor1_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,dockstar"))
  85                 dockstar_dt_init();
  86
  87         if (of_machine_is_compatible("seagate,goflexnet"))
  88                 goflexnet_init();
  89
  90         if (of_machine_is_compatible("buffalo,lsxl"))
  91                 lsxl_init();
  92
  93         if (of_machine_is_compatible("iom,ix2-200"))
  94                 iomega_ix2_200_init();
  95
  96         if (of_machine_is_compatible("keymile,km_kirkwood"))
  97                 km_kirkwood_init();
  98
  99         if (of_machine_is_compatible("lacie,inetspace_v2") ||
 100             of_machine_is_compatible("lacie,netspace_v2") ||
 101             of_machine_is_compatible("lacie,netspace_max_v2") ||
 102             of_machine_is_compatible("lacie,netspace_lite_v2") ||
 103             of_machine_is_compatible("lacie,netspace_mini_v2"))
 104                 ns2_init();
 105
 106         if (of_machine_is_compatible("mpl,cec4"))
 107                 mplcec4_init();
 108
 109         if (of_machine_is_compatible("plathome,openblocks-a6"))
 110                 openblocks_a6_init();
 111
 112         if (of_machine_is_compatible("usi,topkick"))
 113                 usi_topkick_init();
 114
 115         if (of_machine_is_compatible("zyxel,nsa310"))
 116                 nsa310_init();
 117
 118         of_platform_populate(NULL, kirkwood_dt_match_table,
 119                              kirkwood_auxdata_lookup, NULL);
 120 }
 121
 122 static const char * const kirkwood_dt_board_compat[] = {
 123         "globalscale,dreamplug",
 124         "dlink,dns-320",
 125         "dlink,dns-325",
 126         "iom,iconnect",
 127         "raidsonic,ib-nas62x0",
 128         "qnap,ts219",
 129         "seagate,dockstar",
 130         "seagate,goflexnet",
 131         "buffalo,lsxl",
 132         "iom,ix2-200",
 133         "keymile,km_kirkwood",
 134         "lacie,inetspace_v2",
 135         "lacie,netspace_max_v2",
 136         "lacie,netspace_v2",
 137         "lacie,netspace_lite_v2",
 138         "lacie,netspace_mini_v2",
 139         "mpl,cec4",
 140         "plathome,openblocks-a6",
 141         "usi,topkick",
 142         "zyxel,nsa310",
 143         NULL
 144 };
 145
 146 DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)")
 147         /* Maintainer: Jason Cooper <jason@lakedaemon.net> */
 148         .map_io         = kirkwood_map_io,
 149         .init_early     = kirkwood_init_early,
 150         .init_irq       = orion_dt_init_irq,
 151         .timer          = &kirkwood_timer,
 152         .init_machine   = kirkwood_dt_init,
 153         .restart        = kirkwood_restart,
 154         .dt_compat      = kirkwood_dt_board_compat,
 155 MACHINE_END