board-dt.c

Go to the documentation of this file.

/*
 * Copyright 2012 (C), Jason Cooper <[email protected]>
 *
 * arch/arm/mach-kirkwood/board-dt.c
 *
 * Flattened Device Tree board initialization
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/kexec.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/bridge-regs.h>
#include <plat/irq.h>
#include "common.h"

static struct of_device_id kirkwood_dt_match_table[] __initdata = {
    { .compatible = "simple-bus", },
    { }
};

struct of_dev_auxdata kirkwood_auxdata_lookup[] __initdata = {
    OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL),
    OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",
               NULL),
    OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),
    OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),
    OF_DEV_AUXDATA("marvell,orion-nand", 0xf4000000, "orion_nand", NULL),
    OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1030000, "mv_crypto", NULL),
    {},
};

static void __init kirkwood_dt_init(void)
{
    pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk);

    /*
     * Disable propagation of mbus errors to the CPU local bus,
     * as this causes mbus errors (which can occur for example
     * for PCI aborts) to throw CPU aborts, which we're not set
     * up to deal with.
     */
    writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);

    kirkwood_setup_cpu_mbus();

    kirkwood_l2_init();

    /* Setup root of clk tree */
    kirkwood_clk_init();

    /* internal devices that every board has */
    kirkwood_xor0_init();
    kirkwood_xor1_init();

#ifdef CONFIG_KEXEC
    kexec_reinit = kirkwood_enable_pcie;
#endif

    if (of_machine_is_compatible("globalscale,dreamplug"))
        dreamplug_init();

    if (of_machine_is_compatible("dlink,dns-kirkwood"))
        dnskw_init();

    if (of_machine_is_compatible("iom,iconnect"))
        iconnect_init();

    if (of_machine_is_compatible("raidsonic,ib-nas62x0"))
        ib62x0_init();

    if (of_machine_is_compatible("qnap,ts219"))
        qnap_dt_ts219_init();

    if (of_machine_is_compatible("seagate,dockstar"))
        dockstar_dt_init();

    if (of_machine_is_compatible("seagate,goflexnet"))
        goflexnet_init();

    if (of_machine_is_compatible("buffalo,lsxl"))
        lsxl_init();

    if (of_machine_is_compatible("iom,ix2-200"))
        iomega_ix2_200_init();

    if (of_machine_is_compatible("keymile,km_kirkwood"))
        km_kirkwood_init();

    of_platform_populate(NULL, kirkwood_dt_match_table,
                 kirkwood_auxdata_lookup, NULL);
}

static const char *kirkwood_dt_board_compat[] = {
    "globalscale,dreamplug",
    "dlink,dns-320",
    "dlink,dns-325",
    "iom,iconnect",
    "raidsonic,ib-nas62x0",
    "qnap,ts219",
    "seagate,dockstar",
    "seagate,goflexnet",
    "buffalo,lsxl",
    "iom,ix2-200",
    "keymile,km_kirkwood",
    NULL
};

DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)")
    /* Maintainer: Jason Cooper <[email protected]> */
    .map_io     = kirkwood_map_io,
    .init_early = kirkwood_init_early,
    .init_irq   = orion_dt_init_irq,
    .timer      = &kirkwood_timer,
    .init_machine   = kirkwood_dt_init,
    .restart    = kirkwood_restart,
    .dt_compat  = kirkwood_dt_board_compat,
MACHINE_END