diff options
Diffstat (limited to 'src/cpu/allwinner/a10/timer.c')
-rw-r--r-- | src/cpu/allwinner/a10/timer.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/cpu/allwinner/a10/timer.c b/src/cpu/allwinner/a10/timer.c index 60cc60c4d1..7d5d1419c3 100644 --- a/src/cpu/allwinner/a10/timer.c +++ b/src/cpu/allwinner/a10/timer.c @@ -11,6 +11,7 @@ #include <delay.h> #include <timer.h> +struct a1x_timer_module *const timer_module = (void *)A1X_TIMER_BASE; struct a1x_timer *const tmr0 = &((struct a1x_timer_module *)A1X_TIMER_BASE)->timer[0]; @@ -53,3 +54,13 @@ void udelay(unsigned usec) } } + +/* + * This function has nothing to do with timers; however, the chip revision + * register is in the timer module, so keep this function here. + */ +u8 a1x_get_cpu_chip_revision(void) +{ + write32(0, &timer_module->cpu_cfg); + return (read32(&timer_module->cpu_cfg) >> 6) & 0x3; +} |