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leon, tlib: added timer width mask information

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This commit is contained in:
Daniel Hellstrom
2017-04-10 14:52:16 +02:00
parent ae203e0d41
commit 78e56096c8
2 changed files with 24 additions and 0 deletions
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8
c/src/lib/libbsp/sparc/shared/include/tlib.h
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@@ -43,6 +43,7 @@ struct tlib_drv {
void (*get_counter)(struct tlib_dev *hand, unsigned int *counter);
int (*custom)(struct tlib_dev *hand, int cmd, void *arg);
int (*int_pend)(struct tlib_dev *hand, int ack);
void (*get_widthmask)(struct tlib_dev *hand, unsigned int *widthmask);
};
struct tlib_dev {
@@ -183,6 +184,13 @@ static inline int tlib_interrupt_pending(void *hand, int ack)
return dev->drv->int_pend(dev, ack);
}
static inline void tlib_get_widthmask(void *hand, unsigned int *widthmask)
{
struct tlib_dev *dev = hand;
dev->drv->get_widthmask(dev, widthmask);
}
#ifdef __cplusplus
}
#endif

16
c/src/lib/libbsp/sparc/shared/timer/gptimer.c
View File

@@ -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,
};