arch/nios2/platform/platform.c

   1 /*
   2  * Copyright (C) 2013 Altera Corporation
   3  * Copyright (C) 2011 Thomas Chou
   4  * Copyright (C) 2011 Walter Goossens
   5  *
   6  * This file is subject to the terms and conditions of the GNU General
   7  * Public License. See the file COPYING in the main directory of this
   8  * archive for more details.
   9  */
  10
  11 #include <linux/init.h>
  12 #include <linux/of_address.h>
  13 #include <linux/of_fdt.h>
  14 #include <linux/err.h>
  15 #include <linux/slab.h>
  16 #include <linux/sys_soc.h>
  17 #include <linux/io.h>
  18
  19 static int __init nios2_soc_device_init(void)
  20 {
  21         struct soc_device *soc_dev;
  22         struct soc_device_attribute *soc_dev_attr;
  23         const char *machine;
  24
  25         soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
  26         if (soc_dev_attr) {
  27                 machine = of_flat_dt_get_machine_name();
  28                 if (machine)
  29                         soc_dev_attr->machine = kasprintf(GFP_KERNEL, "%s",
  30                                                 machine);
  31
  32                 soc_dev_attr->family = "Nios II";
  33
  34                 soc_dev = soc_device_register(soc_dev_attr);
  35                 if (IS_ERR(soc_dev)) {
  36                         kfree(soc_dev_attr->machine);
  37                         kfree(soc_dev_attr);
  38                 }
  39         }
  40
  41         return 0;
  42 }
  43
  44 device_initcall(nios2_soc_device_init);