target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/arcaydian.c

   1 #include <linux/init.h>
   2 #include <linux/module.h>
   3 #include <linux/types.h>
   4 #include <linux/string.h>
   5 #include <linux/mtd/physmap.h>
   6 #include <linux/kernel.h>
   7 #include <linux/reboot.h>
   8 #include <linux/platform_device.h>
   9 #include <linux/leds.h>
  10 #include <linux/etherdevice.h>
  11 #include <linux/reboot.h>
  12 #include <linux/time.h>
  13 #include <linux/io.h>
  14 #include <linux/gpio.h>
  15
  16 #include <ifxmips.h>
  17 #include <ifxmips_prom.h>
  18
  19 #include "arcaydian.h"
  20
  21 static int ifxmips_brn = 1;
  22
  23 int __init
  24 ifxmips_find_brn_mac(unsigned char *ifxmips_ethaddr)
  25 {
  26         unsigned char temp[8];
  27         memcpy_fromio(temp,
  28                 (void *)KSEG1ADDR(IFXMIPS_FLASH_START + 0x800000 - 0x10000), 8);
  29         if (!memcmp(temp, "BRN-BOOT", 8))
  30         {
  31                 memcpy_fromio(ifxmips_ethaddr,
  32                         (void *)KSEG1ADDR(IFXMIPS_FLASH_START +
  33                         0x800000 - 0x10000 + 0x16), 6);
  34                 if (is_valid_ether_addr(ifxmips_ethaddr))
  35                         return 1;
  36         } else {
  37                 ifxmips_brn = 0;
  38         }
  39         return 0;
  40 }
  41
  42 int
  43 ifxmips_has_brn_block(void)
  44 {
  45         return ifxmips_brn;
  46 }
  47 EXPORT_SYMBOL(ifxmips_has_brn_block);