1 files changed, 179 insertions, 79 deletions

diff --git a/arch/blackfin/kernel/gptimers.c b/arch/blackfin/kernel/gptimers.c
index 1904d8b5332..d776773d386 100644
--- a/arch/blackfin/kernel/gptimers.c
+++ b/arch/blackfin/kernel/gptimers.c
@@ -10,8 +10,8 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include <asm/blackfin.h>
 #include <asm/gptimers.h>
 
@@ -23,49 +23,39 @@
 		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)
-
-typedef struct {
-	uint16_t config;
-	uint16_t __pad;
-	uint32_t counter;
-	uint32_t period;
-	uint32_t width;
-} GPTIMER_timer_regs;
-
-typedef struct {
-	uint16_t enable;
-	uint16_t __pad0;
-	uint16_t disable;
-	uint16_t __pad1;
-	uint32_t status;
-} GPTIMER_group_regs;
-
-static volatile GPTIMER_timer_regs *const timer_regs[MAX_BLACKFIN_GPTIMERS] =
-{
-	(GPTIMER_timer_regs *)TIMER0_CONFIG,
-	(GPTIMER_timer_regs *)TIMER1_CONFIG,
-	(GPTIMER_timer_regs *)TIMER2_CONFIG,
-#if (MAX_BLACKFIN_GPTIMERS > 3)
-	(GPTIMER_timer_regs *)TIMER3_CONFIG,
-	(GPTIMER_timer_regs *)TIMER4_CONFIG,
-	(GPTIMER_timer_regs *)TIMER5_CONFIG,
-	(GPTIMER_timer_regs *)TIMER6_CONFIG,
-	(GPTIMER_timer_regs *)TIMER7_CONFIG,
+#ifndef CONFIG_BF60x
+# define BFIN_TIMER_NUM_GROUP  (BFIN_TIMER_OCTET(MAX_BLACKFIN_GPTIMERS - 1) + 1)
+#else
+# define BFIN_TIMER_NUM_GROUP  1
 #endif
-#if (MAX_BLACKFIN_GPTIMERS > 8)
-	(GPTIMER_timer_regs *)TIMER8_CONFIG,
-	(GPTIMER_timer_regs *)TIMER9_CONFIG,
-	(GPTIMER_timer_regs *)TIMER10_CONFIG,
-	(GPTIMER_timer_regs *)TIMER11_CONFIG,
+
+static struct bfin_gptimer_regs * const timer_regs[MAX_BLACKFIN_GPTIMERS] =
+{
+	(void *)TIMER0_CONFIG,
+	(void *)TIMER1_CONFIG,
+	(void *)TIMER2_CONFIG,
+#if (MAX_BLACKFIN_GPTIMERS > 3)
+	(void *)TIMER3_CONFIG,
+	(void *)TIMER4_CONFIG,
+	(void *)TIMER5_CONFIG,
+	(void *)TIMER6_CONFIG,
+	(void *)TIMER7_CONFIG,
+# if (MAX_BLACKFIN_GPTIMERS > 8)
+	(void *)TIMER8_CONFIG,
+	(void *)TIMER9_CONFIG,
+	(void *)TIMER10_CONFIG,
+#  if (MAX_BLACKFIN_GPTIMERS > 11)
+	(void *)TIMER11_CONFIG,
+#  endif
+# endif
 #endif
 };
 
-static volatile GPTIMER_group_regs *const group_regs[BFIN_TIMER_NUM_GROUP] =
+static struct bfin_gptimer_group_regs * const group_regs[BFIN_TIMER_NUM_GROUP] =
 {
-	(GPTIMER_group_regs *)TIMER0_GROUP_REG,
+	(void *)TIMER0_GROUP_REG,
 #if (MAX_BLACKFIN_GPTIMERS > 8)
-	(GPTIMER_group_regs *)TIMER8_GROUP_REG,
+	(void *)TIMER8_GROUP_REG,
 #endif
 };
 
@@ -80,12 +70,14 @@ static uint32_t const trun_mask[MAX_BLACKFIN_GPTIMERS] =
 	TIMER_STATUS_TRUN5,
 	TIMER_STATUS_TRUN6,
 	TIMER_STATUS_TRUN7,
-#endif
-#if (MAX_BLACKFIN_GPTIMERS > 8)
+# if (MAX_BLACKFIN_GPTIMERS > 8)
 	TIMER_STATUS_TRUN8,
 	TIMER_STATUS_TRUN9,
 	TIMER_STATUS_TRUN10,
+#  if (MAX_BLACKFIN_GPTIMERS > 11)
 	TIMER_STATUS_TRUN11,
+#  endif
+# endif
 #endif
 };
 
@@ -100,12 +92,14 @@ static uint32_t const tovf_mask[MAX_BLACKFIN_GPTIMERS] =
 	TIMER_STATUS_TOVF5,
 	TIMER_STATUS_TOVF6,
 	TIMER_STATUS_TOVF7,
-#endif
-#if (MAX_BLACKFIN_GPTIMERS > 8)
+# if (MAX_BLACKFIN_GPTIMERS > 8)
 	TIMER_STATUS_TOVF8,
 	TIMER_STATUS_TOVF9,
 	TIMER_STATUS_TOVF10,
+#  if (MAX_BLACKFIN_GPTIMERS > 11)
 	TIMER_STATUS_TOVF11,
+#  endif
+# endif
 #endif
 };
 
@@ -120,150 +114,256 @@ static uint32_t const timil_mask[MAX_BLACKFIN_GPTIMERS] =
 	TIMER_STATUS_TIMIL5,
 	TIMER_STATUS_TIMIL6,
 	TIMER_STATUS_TIMIL7,
-#endif
-#if (MAX_BLACKFIN_GPTIMERS > 8)
+# if (MAX_BLACKFIN_GPTIMERS > 8)
 	TIMER_STATUS_TIMIL8,
 	TIMER_STATUS_TIMIL9,
 	TIMER_STATUS_TIMIL10,
+#  if (MAX_BLACKFIN_GPTIMERS > 11)
 	TIMER_STATUS_TIMIL11,
+#  endif
+# endif
 #endif
 };
 
-void set_gptimer_pwidth(int timer_id, uint32_t value)
+void set_gptimer_pwidth(unsigned int timer_id, uint32_t value)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	timer_regs[timer_id]->width = value;
+	bfin_write(&timer_regs[timer_id]->width, value);
 	SSYNC();
 }
 EXPORT_SYMBOL(set_gptimer_pwidth);
 
-uint32_t get_gptimer_pwidth(int timer_id)
+uint32_t get_gptimer_pwidth(unsigned int timer_id)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	return timer_regs[timer_id]->width;
+	return bfin_read(&timer_regs[timer_id]->width);
 }
 EXPORT_SYMBOL(get_gptimer_pwidth);
 
-void set_gptimer_period(int timer_id, uint32_t period)
+void set_gptimer_period(unsigned int timer_id, uint32_t period)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	timer_regs[timer_id]->period = period;
+	bfin_write(&timer_regs[timer_id]->period, period);
 	SSYNC();
 }
 EXPORT_SYMBOL(set_gptimer_period);
 
-uint32_t get_gptimer_period(int timer_id)
+uint32_t get_gptimer_period(unsigned int timer_id)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	return timer_regs[timer_id]->period;
+	return bfin_read(&timer_regs[timer_id]->period);
 }
 EXPORT_SYMBOL(get_gptimer_period);
 
-uint32_t get_gptimer_count(int timer_id)
+uint32_t get_gptimer_count(unsigned int timer_id)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	return timer_regs[timer_id]->counter;
+	return bfin_read(&timer_regs[timer_id]->counter);
 }
 EXPORT_SYMBOL(get_gptimer_count);
 
-uint32_t get_gptimer_status(int group)
+#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);
-	return group_regs[group]->status;
+	return bfin_read(&group_regs[group]->status);
 }
 EXPORT_SYMBOL(get_gptimer_status);
 
-void set_gptimer_status(int group, uint32_t value)
+void set_gptimer_status(unsigned int group, uint32_t value)
 {
 	tassert(group < BFIN_TIMER_NUM_GROUP);
-	group_regs[group]->status = value;
+	bfin_write(&group_regs[group]->status, value);
 	SSYNC();
 }
 EXPORT_SYMBOL(set_gptimer_status);
 
-uint16_t get_gptimer_intr(int timer_id)
+static uint32_t read_gptimer_status(unsigned int timer_id)
+{
+	return bfin_read(&group_regs[BFIN_TIMER_OCTET(timer_id)]->status);
+}
+
+int get_gptimer_intr(unsigned int timer_id)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	return (group_regs[BFIN_TIMER_OCTET(timer_id)]->status & timil_mask[timer_id]) ? 1 : 0;
+	return !!(read_gptimer_status(timer_id) & timil_mask[timer_id]);
 }
 EXPORT_SYMBOL(get_gptimer_intr);
 
-void clear_gptimer_intr(int timer_id)
+void clear_gptimer_intr(unsigned int timer_id)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	group_regs[BFIN_TIMER_OCTET(timer_id)]->status = timil_mask[timer_id];
+	bfin_write(&group_regs[BFIN_TIMER_OCTET(timer_id)]->status, timil_mask[timer_id]);
 }
 EXPORT_SYMBOL(clear_gptimer_intr);
 
-uint16_t get_gptimer_over(int timer_id)
+int get_gptimer_over(unsigned int timer_id)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	return (group_regs[BFIN_TIMER_OCTET(timer_id)]->status & tovf_mask[timer_id]) ? 1 : 0;
+	return !!(read_gptimer_status(timer_id) & tovf_mask[timer_id]);
 }
 EXPORT_SYMBOL(get_gptimer_over);
 
-void clear_gptimer_over(int timer_id)
+void clear_gptimer_over(unsigned int timer_id)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	group_regs[BFIN_TIMER_OCTET(timer_id)]->status = tovf_mask[timer_id];
+	bfin_write(&group_regs[BFIN_TIMER_OCTET(timer_id)]->status, tovf_mask[timer_id]);
 }
 EXPORT_SYMBOL(clear_gptimer_over);
 
-void set_gptimer_config(int timer_id, uint16_t config)
+int get_gptimer_run(unsigned int timer_id)
+{
+	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+	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)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	timer_regs[timer_id]->config = config;
+	bfin_write(&timer_regs[timer_id]->config, config);
 	SSYNC();
 }
 EXPORT_SYMBOL(set_gptimer_config);
 
-uint16_t get_gptimer_config(int timer_id)
+uint16_t get_gptimer_config(unsigned int timer_id)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	return timer_regs[timer_id]->config;
+	return bfin_read(&timer_regs[timer_id]->config);
 }
 EXPORT_SYMBOL(get_gptimer_config);
 
 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) {
-		group_regs[i]->enable = mask & 0xFF;
+		bfin_write(&group_regs[i]->enable, mask & 0xFF);
 		mask >>= 8;
 	}
 	SSYNC();
 }
 EXPORT_SYMBOL(enable_gptimers);
 
-void disable_gptimers(uint16_t mask)
+static void _disable_gptimers(uint16_t mask)
 {
 	int i;
 	uint16_t m = mask;
 	tassert((mask & ~BLACKFIN_GPTIMER_IDMASK) == 0);
 	for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i) {
-		group_regs[i]->disable = m & 0xFF;
+		bfin_write(&group_regs[i]->disable, m & 0xFF);
 		m >>= 8;
 	}
+}
+
+void disable_gptimers(uint16_t mask)
+{
+#ifndef CONFIG_BF60x
+	int i;
+	_disable_gptimers(mask);
 	for (i = 0; i < MAX_BLACKFIN_GPTIMERS; ++i)
 		if (mask & (1 << i))
-			group_regs[BFIN_TIMER_OCTET(i)]->status |= trun_mask[i];
+			bfin_write(&group_regs[BFIN_TIMER_OCTET(i)]->status, trun_mask[i]);
 	SSYNC();
+#else
+	_disable_gptimers(mask);
+#endif
 }
 EXPORT_SYMBOL(disable_gptimers);
 
-void set_gptimer_pulse_hi(int timer_id)
+void disable_gptimers_sync(uint16_t mask)
+{
+	_disable_gptimers(mask);
+	SSYNC();
+}
+EXPORT_SYMBOL(disable_gptimers_sync);
+
+void set_gptimer_pulse_hi(unsigned int timer_id)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	timer_regs[timer_id]->config |= TIMER_PULSE_HI;
+	bfin_write_or(&timer_regs[timer_id]->config, TIMER_PULSE_HI);
 	SSYNC();
 }
 EXPORT_SYMBOL(set_gptimer_pulse_hi);
 
-void clear_gptimer_pulse_hi(int timer_id)
+void clear_gptimer_pulse_hi(unsigned int timer_id)
 {
 	tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
-	timer_regs[timer_id]->config &= ~TIMER_PULSE_HI;
+	bfin_write_and(&timer_regs[timer_id]->config, ~TIMER_PULSE_HI);
 	SSYNC();
 }
 EXPORT_SYMBOL(clear_gptimer_pulse_hi);
@@ -273,7 +373,7 @@ uint16_t get_enabled_gptimers(void)
 	int i;
 	uint16_t result = 0;
 	for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i)
-		result |= (group_regs[i]->enable << (i << 3));
+		result |= (bfin_read(&group_regs[i]->enable) << (i << 3));
 	return result;
 }
 EXPORT_SYMBOL(get_enabled_gptimers);