OpenCloudOS-Kernel/arch/arm/mach-imx/devices/platform-mxc_rnga.c

54 lines
1.3 KiB
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 "../hardware.h"
#include "devices-common.h"
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);
return PTR_ERR_OR_ZERO(ret);
}
arch_initcall(imxXX_add_mxc_rnga);