diff options
Diffstat (limited to 'arch/arm/mach-imx/devices/platform-mxc_rnga.c')
| -rw-r--r-- | arch/arm/mach-imx/devices/platform-mxc_rnga.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/devices/platform-mxc_rnga.c b/arch/arm/mach-imx/devices/platform-mxc_rnga.c new file mode 100644 index 00000000000..c58404badb5 --- /dev/null +++ b/arch/arm/mach-imx/devices/platform-mxc_rnga.c @@ -0,0 +1,56 @@ +/* + * 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); + + if (IS_ERR(ret)) + return PTR_ERR(ret); + + return 0; +} +arch_initcall(imxXX_add_mxc_rnga); |