target/linux/aruba-2.6/files/arch/mips/aruba/flash_lock.c

   1 #include <linux/module.h>
   2 #include <linux/types.h>
   3 #include <asm/bootinfo.h>
   4
   5 #define AP70_PROT_ADDR 0xb8010008
   6 #define AP70_PROT_DATA 0x8
   7 #define AP60_PROT_ADDR 0xB8400000
   8 #define AP60_PROT_DATA 0x04000000
   9
  10 void unlock_ap60_70_flash(void)
  11 {
  12         volatile __u32 val;
  13         switch (mips_machtype) {
  14                 case MACH_ARUBA_AP70:
  15                         val = *(volatile __u32 *)AP70_PROT_ADDR;
  16                         val &= ~(AP70_PROT_DATA);
  17                         *(volatile __u32 *)AP70_PROT_ADDR = val;
  18                         break;
  19                 case MACH_ARUBA_AP65:
  20                 case MACH_ARUBA_AP60:
  21                 default:
  22                         val = *(volatile __u32 *)AP60_PROT_ADDR;
  23                         val &= ~(AP60_PROT_DATA);
  24                         *(volatile __u32 *)AP60_PROT_ADDR = val;
  25                         break;
  26         }
  27 }