Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / arm / plat-mxc / devices / platform-mxc_rnga.c

diff --git a/arch/arm/plat-mxc/devices/platform-mxc_rnga.c b/arch/arm/plat-mxc/devices/platform-mxc_rnga.c
new file mode 100644 (file)
index 0000000..b4b7612
--- /dev/null
+++ b/arch/arm/plat-mxc/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 <mach/hardware.h>
+#include <mach/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);