diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/shared/timer/gptimer.c')
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/timer/gptimer.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/timer/gptimer.c b/c/src/lib/libbsp/sparc/shared/timer/gptimer.c index f8c6da20f3..f47952ff74 100644 --- a/c/src/lib/libbsp/sparc/shared/timer/gptimer.c +++ b/c/src/lib/libbsp/sparc/shared/timer/gptimer.c @@ -93,6 +93,7 @@ struct gptimer_priv { struct gptimer_regs *regs; unsigned int base_clk; unsigned int base_freq; + unsigned int widthmask; char separate_interrupt; char isr_installed; @@ -265,6 +266,10 @@ int gptimer_init1(struct drvmgr_dev *dev) else irq_ack_mask = ~0; + /* Probe timer register width mask */ + priv->regs->timer[timer_start].value = 0xffffffff; + priv->widthmask = priv->regs->timer[timer_start].value; + priv->timer_cnt = timer_cnt; for (i=0; i<timer_cnt; i++) { timer = &priv->timers[i]; @@ -493,6 +498,16 @@ static void gptimer_tlib_get_counter( *counter = timer->tregs->value; } +static void gptimer_tlib_get_widthmask( + struct tlib_dev *hand, + unsigned int *widthmask) +{ + struct gptimer_timer *timer = (struct gptimer_timer *)hand; + struct gptimer_priv *priv = priv_from_timer(timer); + + *widthmask = priv->widthmask; +} + static struct tlib_drv gptimer_tlib_drv = { .reset = gptimer_tlib_reset, @@ -506,4 +521,5 @@ static struct tlib_drv gptimer_tlib_drv = .get_counter = gptimer_tlib_get_counter, .custom = NULL, .int_pend = gptimer_tlib_int_pend, + .get_widthmask = gptimer_tlib_get_widthmask, }; |