target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-wdt.c

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
   7  */
   8
   9 #include <linux/init.h>
  10 #include <linux/kernel.h>
  11 #include <linux/platform_device.h>
  12 #include <bcm63xx_cpu.h>
  13
  14 static struct resource wdt_resources[] = {
  15         {
  16                 .start          = -1, /* filled at runtime */
  17                 .end            = -1, /* filled at runtime */
  18                 .flags          = IORESOURCE_MEM,
  19         },
  20 };
  21
  22 static struct platform_device bcm63xx_wdt_device = {
  23         .name           = "bcm63xx-wdt",
  24         .id             = 0,
  25         .num_resources  = ARRAY_SIZE(wdt_resources),
  26         .resource       = wdt_resources,
  27 };
  28
  29 int __init bcm63xx_wdt_register(void)
  30 {
  31         wdt_resources[0].start = bcm63xx_regset_address(RSET_WDT);
  32         wdt_resources[0].end = wdt_resources[0].start;
  33         wdt_resources[0].end += RSET_WDT_SIZE - 1;
  34
  35         /* Disable watchdog for 6345 until we fix it */
  36         if (!BCMCPU_IS_6345())
  37                 return platform_device_register(&bcm63xx_wdt_device);
  38 }