target/linux/ifxmips/files/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 = 0;
  22
  23 int __init
  24 ifxmix_detect_brn_block(unsigned int offset)
  25 {
  26         unsigned char temp[8];
  27         memcpy_fromio(temp, (void *)KSEG1ADDR(IFXMIPS_FLASH_START + offset), 8);
  28         if (!memcmp(temp, "BRN-BOOT", 8))
  29                 ifxmips_brn = 1;
  30         return !ifxmips_brn;
  31 }
  32
  33 int __init
  34 ifxmips_find_brn_mac(unsigned int offset, unsigned char *ifxmips_ethaddr)
  35 {
  36         if(!ifxmips_brn)
  37                 return 1;
  38         memcpy_fromio(ifxmips_ethaddr,
  39                 (void *)KSEG1ADDR(IFXMIPS_FLASH_START + offset), 6);
  40         return is_valid_ether_addr(ifxmips_ethaddr);
  41 }
  42
  43 /* used by madwifi to know if eeprom is located in flash */
  44 int
  45 ifxmips_has_brn_block(void)
  46 {
  47         return ifxmips_brn;
  48 }
  49 EXPORT_SYMBOL(ifxmips_has_brn_block);