// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * arch/powerpc/platforms/83xx/mpc837x_rdb.c
 *
 * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
 *
 * MPC837x RDB board specific routines
 */

#include <linux/pci.h>
#include <linux/of_platform.h>

#include <asm/time.h>
#include <asm/ipic.h>
#include <asm/udbg.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>

#include "mpc83xx.h"

static void __init mpc837x_rdb_sd_cfg(void)
{
        void __iomem *im;

        im = ioremap(get_immrbase(), 0x1000);
        if (!im) {
                WARN_ON(1);
                return;
        }

        /*
         * On RDB boards (in contrast to MDS) USBB pins are used for SD only,
         * so we can safely mux them away from the USB block.
         */
        clrsetbits_be32(im + MPC83XX_SICRL_OFFS, MPC837X_SICRL_USBB_MASK,
                                                 MPC837X_SICRL_SD);
        clrsetbits_be32(im + MPC83XX_SICRH_OFFS, MPC837X_SICRH_SPI_MASK,
                                                 MPC837X_SICRH_SD);
        iounmap(im);
}

/* ************************************************************************
 *
 * Setup the architecture
 *
 */
static void __init mpc837x_rdb_setup_arch(void)
{
        mpc83xx_setup_arch();
        mpc837x_usb_cfg();
        mpc837x_rdb_sd_cfg();
}

machine_device_initcall(mpc837x_rdb, mpc83xx_declare_of_platform_devices);

static const char * const board[] __initconst = {
        "fsl,mpc8377rdb",
        "fsl,mpc8378rdb",
        "fsl,mpc8379rdb",
        "fsl,mpc8377wlan",
        NULL
};

define_machine(mpc837x_rdb) {
        .name                   = "MPC837x RDB/WLAN",
        .compatibles            = board,
        .setup_arch             = mpc837x_rdb_setup_arch,
        .discover_phbs          = mpc83xx_setup_pci,
        .init_IRQ               = mpc83xx_ipic_init_IRQ,
        .get_irq                = ipic_get_irq,
        .restart                = mpc83xx_restart,
        .time_init              = mpc83xx_time_init,
        .progress               = udbg_progress,
};