diff options
Diffstat (limited to 'drivers/bootcount/bootcount_davinci.c')
-rw-r--r-- | drivers/bootcount/bootcount_davinci.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/bootcount/bootcount_davinci.c b/drivers/bootcount/bootcount_davinci.c index eddd940005..f0acfad805 100644 --- a/drivers/bootcount/bootcount_davinci.c +++ b/drivers/bootcount/bootcount_davinci.c @@ -20,17 +20,19 @@ void bootcount_store(ulong a) */ writel(RTC_KICK0R_WE, ®->kick0r); writel(RTC_KICK1R_WE, ®->kick1r); - raw_bootcount_store(®->scratch0, a); - raw_bootcount_store(®->scratch1, BOOTCOUNT_MAGIC); + raw_bootcount_store(®->scratch2, + (BOOTCOUNT_MAGIC & 0xffff0000) | (a & 0x0000ffff)); } ulong bootcount_load(void) { + unsigned long val; struct davinci_rtc *reg = (struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR; - if (raw_bootcount_load(®->scratch1) != BOOTCOUNT_MAGIC) + val = raw_bootcount_load(®->scratch2); + if ((val & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000)) return 0; else - return raw_bootcount_load(®->scratch0); + return val & 0x0000ffff; } |