diff options
Diffstat (limited to 'cpu/mpc8xx')
| -rw-r--r-- | cpu/mpc8xx/commproc.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/cpu/mpc8xx/commproc.c b/cpu/mpc8xx/commproc.c index 37c72a7..75740e0 100644 --- a/cpu/mpc8xx/commproc.c +++ b/cpu/mpc8xx/commproc.c @@ -110,3 +110,29 @@ ulong post_word_load (void) } #endif /* CONFIG_POST || CONFIG_LOGBUFFER*/ + +#ifdef CONFIG_BOOTCOUNT_LIMIT + +void bootcount_store (ulong a) +{ + volatile ulong *save_addr = + (volatile ulong *)( ((immap_t *) CFG_IMMR)->im_cpm.cp_dpmem + + CPM_BOOTCOUNT_ADDR ); + + save_addr[0] = a; + save_addr[1] = BOOTCOUNT_MAGIC; +} + +ulong bootcount_load (void) +{ + volatile ulong *save_addr = + (volatile ulong *)( ((immap_t *) CFG_IMMR)->im_cpm.cp_dpmem + + CPM_BOOTCOUNT_ADDR ); + + if (save_addr[1] != BOOTCOUNT_MAGIC) + return 0; + else + return save_addr[0]; +} + +#endif /* CONFIG_BOOTCOUNT_LIMIT */ |