linux-imx

/*

 * CCI cache coherent interconnect driver

 *

 * Copyright (C) 2013 ARM Ltd.

 * Author: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 * This program is distributed "as is" WITHOUT ANY WARRANTY of any

 * kind, whether express or implied; without even the implied warranty

 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

​

#include <linux/arm-cci.h>

#include <linux/io.h>

#include <linux/module.h>

#include <linux/of_address.h>

#include <linux/of_platform.h>

#include <linux/platform_device.h>

#include <linux/slab.h>

​

#include <asm/cacheflush.h>

#include <asm/smp_plat.h>

​

static void __iomem *cci_ctrl_base __ro_after_init;

static unsigned long cci_ctrl_phys __ro_after_init;

​

#ifdef CONFIG_ARM_CCI400_PORT_CTRL

struct cci_nb_ports {

    unsigned int nb_ace;

    unsigned int nb_ace_lite;

};

​

static const struct cci_nb_ports cci400_ports = {

    .nb_ace = 2,

    .nb_ace_lite = 3

};

​

#define CCI400_PORTS_DATA   (&cci400_ports)

#else

#define CCI400_PORTS_DATA   (NULL)

#endif

​

static const struct of_device_id arm_cci_matches[] = {

#ifdef CONFIG_ARM_CCI400_COMMON

    {.compatible = "arm,cci-400", .data = CCI400_PORTS_DATA },

#endif

#ifdef CONFIG_ARM_CCI5xx_PMU

    { .compatible = "arm,cci-500", },

    { .compatible = "arm,cci-550", },

#endif

    {},

};

​

static const struct of_dev_auxdata arm_cci_auxdata[] = {

    OF_DEV_AUXDATA("arm,cci-400-pmu", 0, NULL, &cci_ctrl_base),

    OF_DEV_AUXDATA("arm,cci-400-pmu,r0", 0, NULL, &cci_ctrl_base),

    OF_DEV_AUXDATA("arm,cci-400-pmu,r1", 0, NULL, &cci_ctrl_base),

    OF_DEV_AUXDATA("arm,cci-500-pmu,r0", 0, NULL, &cci_ctrl_base),

    OF_DEV_AUXDATA("arm,cci-550-pmu,r0", 0, NULL, &cci_ctrl_base),