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_platform.h>
  13 #include <linux/of_address.h>
  14 #include <linux/of_fdt.h>
  15 #include <linux/err.h>
  16 #include <linux/slab.h>
  17 #include <linux/sys_soc.h>
  18 #include <linux/io.h>
  19
  20 static int __init nios2_soc_device_init(void)
  21 {
  22         struct soc_device *soc_dev;
  23         struct soc_device_attribute *soc_dev_attr;
  24         const char *machine;
  25
  26         soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
  27         if (soc_dev_attr) {
  28                 machine = of_flat_dt_get_machine_name();
  29                 if (machine)
  30                         soc_dev_attr->machine = kasprintf(GFP_KERNEL, "%s",
  31                                                 machine);
  32
  33                 soc_dev_attr->family = "Nios II";
  34
  35                 soc_dev = soc_device_register(soc_dev_attr);
  36                 if (IS_ERR(soc_dev)) {
  37                         kfree(soc_dev_attr->machine);
  38                         kfree(soc_dev_attr);
  39                 }
  40         }
  41
  42         return of_platform_populate(NULL, of_default_bus_match_table,
  43                 NULL, NULL);
  44 }
  45
  46 device_initcall(nios2_soc_device_init);