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platform-mxc_rnga.c

/*
 * Copyright (C) 2010 Pengutronix
 * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
 *
 * 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.
 */
#include <mach/hardware.h>
#include <mach/devices-common.h>

00012 struct imx_mxc_rnga_data {
      resource_size_t iobase;
};

#define imx_mxc_rnga_data_entry_single(soc)                       \
      {                                               \
            .iobase = soc ## _RNGA_BASE_ADDR,               \
      }

#ifdef CONFIG_SOC_IMX31
static const struct imx_mxc_rnga_data imx31_mxc_rnga_data __initconst =
      imx_mxc_rnga_data_entry_single(MX31);
#endif /* ifdef CONFIG_SOC_IMX31 */

static struct platform_device *__init imx_add_mxc_rnga(
            const struct imx_mxc_rnga_data *data)
{
      struct resource res[] = {
            {
                  .start = data->iobase,
                  .end = data->iobase + SZ_16K - 1,
                  .flags = IORESOURCE_MEM,
            },
      };
      return imx_add_platform_device("mxc_rnga", -1,
                  res, ARRAY_SIZE(res), NULL, 0);
}

static int __init imxXX_add_mxc_rnga(void)
{
      struct platform_device *ret;

#if defined(CONFIG_SOC_IMX31)
      if (cpu_is_mx31())
            ret = imx_add_mxc_rnga(&imx31_mxc_rnga_data);
      else
#endif /* if defined(CONFIG_SOC_IMX31) */
            ret = ERR_PTR(-ENODEV);

      if (IS_ERR(ret))
            return PTR_ERR(ret);

      return 0;
}
arch_initcall(imxXX_add_mxc_rnga);

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