blackfin: bf60x: enable gptimer clock source
Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
diff --git a/arch/blackfin/kernel/gptimers.c b/arch/blackfin/kernel/gptimers.c
index 06459f4..f7afe57 100644
--- a/arch/blackfin/kernel/gptimers.c
+++ b/arch/blackfin/kernel/gptimers.c
@@ -23,7 +23,11 @@
printk(KERN_DEBUG "%s:%s:%i: Assertion failed: " #expr "\n", __FILE__, __func__, __LINE__);
#endif
-#define BFIN_TIMER_NUM_GROUP (BFIN_TIMER_OCTET(MAX_BLACKFIN_GPTIMERS - 1) + 1)
+#ifndef CONFIG_BF60x
+# define BFIN_TIMER_NUM_GROUP (BFIN_TIMER_OCTET(MAX_BLACKFIN_GPTIMERS - 1) + 1)
+#else
+# define BFIN_TIMER_NUM_GROUP 1
+#endif
static struct bfin_gptimer_regs * const timer_regs[MAX_BLACKFIN_GPTIMERS] =
{
@@ -158,6 +162,74 @@
}
EXPORT_SYMBOL(get_gptimer_count);
+#ifdef CONFIG_BF60x
+void set_gptimer_delay(unsigned int timer_id, uint32_t delay)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ bfin_write(&timer_regs[timer_id]->delay, delay);
+ SSYNC();
+}
+EXPORT_SYMBOL(set_gptimer_delay);
+
+uint32_t get_gptimer_delay(unsigned int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ return bfin_read(&timer_regs[timer_id]->delay);
+}
+EXPORT_SYMBOL(get_gptimer_delay);
+#endif
+
+#ifdef CONFIG_BF60x
+int get_gptimer_intr(unsigned int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ return !!(bfin_read(&group_regs[BFIN_TIMER_OCTET(timer_id)]->data_ilat) & timil_mask[timer_id]);
+}
+EXPORT_SYMBOL(get_gptimer_intr);
+
+void clear_gptimer_intr(unsigned int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ bfin_write(&group_regs[BFIN_TIMER_OCTET(timer_id)]->data_ilat, timil_mask[timer_id]);
+}
+EXPORT_SYMBOL(clear_gptimer_intr);
+
+int get_gptimer_over(unsigned int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ return !!(bfin_read(&group_regs[BFIN_TIMER_OCTET(timer_id)]->stat_ilat) & tovf_mask[timer_id]);
+}
+EXPORT_SYMBOL(get_gptimer_over);
+
+void clear_gptimer_over(unsigned int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ bfin_write(&group_regs[BFIN_TIMER_OCTET(timer_id)]->stat_ilat, tovf_mask[timer_id]);
+}
+EXPORT_SYMBOL(clear_gptimer_over);
+
+int get_gptimer_run(unsigned int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ return !!(bfin_read(&group_regs[BFIN_TIMER_OCTET(timer_id)]->run) & trun_mask[timer_id]);
+}
+EXPORT_SYMBOL(get_gptimer_run);
+
+uint32_t get_gptimer_status(unsigned int group)
+{
+ tassert(group < BFIN_TIMER_NUM_GROUP);
+ return bfin_read(&group_regs[group]->data_ilat);
+}
+EXPORT_SYMBOL(get_gptimer_status);
+
+void set_gptimer_status(unsigned int group, uint32_t value)
+{
+ tassert(group < BFIN_TIMER_NUM_GROUP);
+ bfin_write(&group_regs[group]->data_ilat, value);
+ SSYNC();
+}
+EXPORT_SYMBOL(set_gptimer_status);
+#else
uint32_t get_gptimer_status(unsigned int group)
{
tassert(group < BFIN_TIMER_NUM_GROUP);
@@ -212,6 +284,7 @@
return !!(read_gptimer_status(timer_id) & trun_mask[timer_id]);
}
EXPORT_SYMBOL(get_gptimer_run);
+#endif
void set_gptimer_config(unsigned int timer_id, uint16_t config)
{
@@ -231,6 +304,12 @@
void enable_gptimers(uint16_t mask)
{
int i;
+#ifdef CONFIG_BF60x
+ uint16_t imask;
+ imask = bfin_read16(TIMER_DATA_IMSK);
+ imask &= ~mask;
+ bfin_write16(TIMER_DATA_IMSK, imask);
+#endif
tassert((mask & ~BLACKFIN_GPTIMER_IDMASK) == 0);
for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i) {
bfin_write(&group_regs[i]->enable, mask & 0xFF);
@@ -255,10 +334,12 @@
{
int i;
_disable_gptimers(mask);
+#ifndef CONFIG_BF60x
for (i = 0; i < MAX_BLACKFIN_GPTIMERS; ++i)
if (mask & (1 << i))
bfin_write(&group_regs[BFIN_TIMER_OCTET(i)]->status, trun_mask[i]);
SSYNC();
+#endif
}
EXPORT_SYMBOL(disable_gptimers);