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Diffstat (limited to 'arch/arm/plat-omap/dmtimer.c')
-rw-r--r--arch/arm/plat-omap/dmtimer.c136
1 files changed, 60 insertions, 76 deletions
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 08ccf8922520..44bafdab2dce 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -153,8 +153,7 @@
struct omap_dm_timer {
unsigned long phys_base;
int irq;
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
- defined(CONFIG_ARCH_OMAP4)
+#ifdef CONFIG_ARCH_OMAP2PLUS
struct clk *iclk, *fclk;
#endif
void __iomem *io_base;
@@ -163,20 +162,9 @@ struct omap_dm_timer {
unsigned posted:1;
};
-#ifdef CONFIG_ARCH_OMAP1
-
-#define omap_dm_clk_enable(x)
-#define omap_dm_clk_disable(x)
-#define omap2_dm_timers NULL
-#define omap2_dm_source_names NULL
-#define omap2_dm_source_clocks NULL
-#define omap3_dm_timers NULL
-#define omap3_dm_source_names NULL
-#define omap3_dm_source_clocks NULL
-#define omap4_dm_timers NULL
-#define omap4_dm_source_names NULL
-#define omap4_dm_source_clocks NULL
+static int dm_timer_count;
+#ifdef CONFIG_ARCH_OMAP1
static struct omap_dm_timer omap1_dm_timers[] = {
{ .phys_base = 0xfffb1400, .irq = INT_1610_GPTIMER1 },
{ .phys_base = 0xfffb1c00, .irq = INT_1610_GPTIMER2 },
@@ -188,20 +176,14 @@ static struct omap_dm_timer omap1_dm_timers[] = {
{ .phys_base = 0xfffbd400, .irq = INT_1610_GPTIMER8 },
};
-static const int dm_timer_count = ARRAY_SIZE(omap1_dm_timers);
+static const int omap1_dm_timer_count = ARRAY_SIZE(omap1_dm_timers);
-#elif defined(CONFIG_ARCH_OMAP2)
-
-#define omap_dm_clk_enable(x) clk_enable(x)
-#define omap_dm_clk_disable(x) clk_disable(x)
+#else
#define omap1_dm_timers NULL
-#define omap3_dm_timers NULL
-#define omap3_dm_source_names NULL
-#define omap3_dm_source_clocks NULL
-#define omap4_dm_timers NULL
-#define omap4_dm_source_names NULL
-#define omap4_dm_source_clocks NULL
+#define omap1_dm_timer_count 0
+#endif /* CONFIG_ARCH_OMAP1 */
+#ifdef CONFIG_ARCH_OMAP2
static struct omap_dm_timer omap2_dm_timers[] = {
{ .phys_base = 0x48028000, .irq = INT_24XX_GPTIMER1 },
{ .phys_base = 0x4802a000, .irq = INT_24XX_GPTIMER2 },
@@ -225,20 +207,16 @@ static const char *omap2_dm_source_names[] __initdata = {
};
static struct clk *omap2_dm_source_clocks[3];
-static const int dm_timer_count = ARRAY_SIZE(omap2_dm_timers);
-
-#elif defined(CONFIG_ARCH_OMAP3)
+static const int omap2_dm_timer_count = ARRAY_SIZE(omap2_dm_timers);
-#define omap_dm_clk_enable(x) clk_enable(x)
-#define omap_dm_clk_disable(x) clk_disable(x)
-#define omap1_dm_timers NULL
+#else
#define omap2_dm_timers NULL
+#define omap2_dm_timer_count 0
#define omap2_dm_source_names NULL
#define omap2_dm_source_clocks NULL
-#define omap4_dm_timers NULL
-#define omap4_dm_source_names NULL
-#define omap4_dm_source_clocks NULL
+#endif /* CONFIG_ARCH_OMAP2 */
+#ifdef CONFIG_ARCH_OMAP3
static struct omap_dm_timer omap3_dm_timers[] = {
{ .phys_base = 0x48318000, .irq = INT_24XX_GPTIMER1 },
{ .phys_base = 0x49032000, .irq = INT_24XX_GPTIMER2 },
@@ -261,47 +239,44 @@ static const char *omap3_dm_source_names[] __initdata = {
};
static struct clk *omap3_dm_source_clocks[2];
-static const int dm_timer_count = ARRAY_SIZE(omap3_dm_timers);
+static const int omap3_dm_timer_count = ARRAY_SIZE(omap3_dm_timers);
-#elif defined(CONFIG_ARCH_OMAP4)
-
-#define omap_dm_clk_enable(x) clk_enable(x)
-#define omap_dm_clk_disable(x) clk_disable(x)
-#define omap1_dm_timers NULL
-#define omap2_dm_timers NULL
-#define omap2_dm_source_names NULL
-#define omap2_dm_source_clocks NULL
+#else
#define omap3_dm_timers NULL
+#define omap3_dm_timer_count 0
#define omap3_dm_source_names NULL
#define omap3_dm_source_clocks NULL
+#endif /* CONFIG_ARCH_OMAP3 */
+#ifdef CONFIG_ARCH_OMAP4
static struct omap_dm_timer omap4_dm_timers[] = {
- { .phys_base = 0x4a318000, .irq = INT_44XX_GPTIMER1 },
- { .phys_base = 0x48032000, .irq = INT_44XX_GPTIMER2 },
- { .phys_base = 0x48034000, .irq = INT_44XX_GPTIMER3 },
- { .phys_base = 0x48036000, .irq = INT_44XX_GPTIMER4 },
- { .phys_base = 0x40138000, .irq = INT_44XX_GPTIMER5 },
- { .phys_base = 0x4013a000, .irq = INT_44XX_GPTIMER6 },
- { .phys_base = 0x4013a000, .irq = INT_44XX_GPTIMER7 },
- { .phys_base = 0x4013e000, .irq = INT_44XX_GPTIMER8 },
- { .phys_base = 0x4803e000, .irq = INT_44XX_GPTIMER9 },
- { .phys_base = 0x48086000, .irq = INT_44XX_GPTIMER10 },
- { .phys_base = 0x48088000, .irq = INT_44XX_GPTIMER11 },
- { .phys_base = 0x4a320000, .irq = INT_44XX_GPTIMER12 },
+ { .phys_base = 0x4a318000, .irq = OMAP44XX_IRQ_GPT1 },
+ { .phys_base = 0x48032000, .irq = OMAP44XX_IRQ_GPT2 },
+ { .phys_base = 0x48034000, .irq = OMAP44XX_IRQ_GPT3 },
+ { .phys_base = 0x48036000, .irq = OMAP44XX_IRQ_GPT4 },
+ { .phys_base = 0x40138000, .irq = OMAP44XX_IRQ_GPT5 },
+ { .phys_base = 0x4013a000, .irq = OMAP44XX_IRQ_GPT6 },
+ { .phys_base = 0x4013a000, .irq = OMAP44XX_IRQ_GPT7 },
+ { .phys_base = 0x4013e000, .irq = OMAP44XX_IRQ_GPT8 },
+ { .phys_base = 0x4803e000, .irq = OMAP44XX_IRQ_GPT9 },
+ { .phys_base = 0x48086000, .irq = OMAP44XX_IRQ_GPT10 },
+ { .phys_base = 0x48088000, .irq = OMAP44XX_IRQ_GPT11 },
+ { .phys_base = 0x4a320000, .irq = OMAP44XX_IRQ_GPT12 },
};
static const char *omap4_dm_source_names[] __initdata = {
- "sys_ck",
- "omap_32k_fck",
+ "sys_clkin_ck",
+ "sys_32k_ck",
NULL
};
static struct clk *omap4_dm_source_clocks[2];
-static const int dm_timer_count = ARRAY_SIZE(omap4_dm_timers);
+static const int omap4_dm_timer_count = ARRAY_SIZE(omap4_dm_timers);
#else
-
-#error OMAP architecture not supported!
-
-#endif
+#define omap4_dm_timers NULL
+#define omap4_dm_timer_count 0
+#define omap4_dm_source_names NULL
+#define omap4_dm_source_clocks NULL
+#endif /* CONFIG_ARCH_OMAP4 */
static struct omap_dm_timer *dm_timers;
static const char **dm_source_names;
@@ -450,8 +425,12 @@ void omap_dm_timer_enable(struct omap_dm_timer *timer)
if (timer->enabled)
return;
- omap_dm_clk_enable(timer->fclk);
- omap_dm_clk_enable(timer->iclk);
+#ifdef CONFIG_ARCH_OMAP2PLUS
+ if (cpu_class_is_omap2()) {
+ clk_enable(timer->fclk);
+ clk_enable(timer->iclk);
+ }
+#endif
timer->enabled = 1;
}
@@ -462,8 +441,12 @@ void omap_dm_timer_disable(struct omap_dm_timer *timer)
if (!timer->enabled)
return;
- omap_dm_clk_disable(timer->iclk);
- omap_dm_clk_disable(timer->fclk);
+#ifdef CONFIG_ARCH_OMAP2PLUS
+ if (cpu_class_is_omap2()) {
+ clk_disable(timer->iclk);
+ clk_disable(timer->fclk);
+ }
+#endif
timer->enabled = 0;
}
@@ -506,8 +489,7 @@ __u32 omap_dm_timer_modify_idlect_mask(__u32 inputmask)
}
EXPORT_SYMBOL_GPL(omap_dm_timer_modify_idlect_mask);
-#elif defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
- defined(CONFIG_ARCH_OMAP4)
+#else
struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer)
{
@@ -551,8 +533,7 @@ void omap_dm_timer_stop(struct omap_dm_timer *timer)
if (l & OMAP_TIMER_CTRL_ST) {
l &= ~0x1;
omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
- defined(CONFIG_ARCH_OMAP4)
+#ifdef CONFIG_ARCH_OMAP2PLUS
/* Readback to make sure write has completed */
omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
/*
@@ -560,11 +541,11 @@ void omap_dm_timer_stop(struct omap_dm_timer *timer)
* timer is stopped
*/
udelay(3500000 / clk_get_rate(timer->fclk) + 1);
- /* Ack possibly pending interrupt */
- omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG,
- OMAP_TIMER_INT_OVERFLOW);
#endif
}
+ /* Ack possibly pending interrupt */
+ omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG,
+ OMAP_TIMER_INT_OVERFLOW);
}
EXPORT_SYMBOL_GPL(omap_dm_timer_stop);
@@ -764,17 +745,21 @@ int __init omap_dm_timer_init(void)
if (cpu_class_is_omap1()) {
dm_timers = omap1_dm_timers;
+ dm_timer_count = omap1_dm_timer_count;
map_size = SZ_2K;
} else if (cpu_is_omap24xx()) {
dm_timers = omap2_dm_timers;
+ dm_timer_count = omap2_dm_timer_count;
dm_source_names = omap2_dm_source_names;
dm_source_clocks = omap2_dm_source_clocks;
} else if (cpu_is_omap34xx()) {
dm_timers = omap3_dm_timers;
+ dm_timer_count = omap3_dm_timer_count;
dm_source_names = omap3_dm_source_names;
dm_source_clocks = omap3_dm_source_clocks;
} else if (cpu_is_omap44xx()) {
dm_timers = omap4_dm_timers;
+ dm_timer_count = omap4_dm_timer_count;
dm_source_names = omap4_dm_source_names;
dm_source_clocks = omap4_dm_source_clocks;
}
@@ -793,8 +778,7 @@ int __init omap_dm_timer_init(void)
timer->io_base = ioremap(timer->phys_base, map_size);
BUG_ON(!timer->io_base);
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
- defined(CONFIG_ARCH_OMAP4)
+#ifdef CONFIG_ARCH_OMAP2PLUS
if (cpu_class_is_omap2()) {
char clk_name[16];
sprintf(clk_name, "gpt%d_ick", i + 1);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-24 18:59:21 +0300