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Diffstat (limited to 'arch/arm/plat-omap/dmtimer.c')
-rw-r--r--arch/arm/plat-omap/dmtimer.c118
1 files changed, 89 insertions, 29 deletions
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 3856f5aedfc1..e719d0eeb5c8 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -48,7 +48,7 @@
#define OMAP_TIMER_COUNTER_REG 0x28
#define OMAP_TIMER_LOAD_REG 0x2c
#define OMAP_TIMER_TRIGGER_REG 0x30
-#define OMAP_TIMER_WRITE_PEND_REG 0x34
+#define OMAP_TIMER_WRITE_PEND_REG 0x34
#define OMAP_TIMER_MATCH_REG 0x38
#define OMAP_TIMER_CAPTURE_REG 0x3c
#define OMAP_TIMER_IF_CTRL_REG 0x40
@@ -70,7 +70,7 @@
struct omap_dm_timer {
unsigned long phys_base;
int irq;
-#ifdef CONFIG_ARCH_OMAP2
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
struct clk *iclk, *fclk;
#endif
void __iomem *io_base;
@@ -82,8 +82,14 @@ struct omap_dm_timer {
#define omap_dm_clk_enable(x)
#define omap_dm_clk_disable(x)
-
-static struct omap_dm_timer dm_timers[] = {
+#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
+
+static struct omap_dm_timer omap1_dm_timers[] = {
{ .phys_base = 0xfffb1400, .irq = INT_1610_GPTIMER1 },
{ .phys_base = 0xfffb1c00, .irq = INT_1610_GPTIMER2 },
{ .phys_base = 0xfffb2400, .irq = INT_1610_GPTIMER3 },
@@ -94,12 +100,18 @@ static struct omap_dm_timer dm_timers[] = {
{ .phys_base = 0xfffbd400, .irq = INT_1610_GPTIMER8 },
};
+static const int 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)
+#define omap_dm_clk_enable(x) clk_enable(x)
+#define omap_dm_clk_disable(x) clk_disable(x)
+#define omap1_dm_timers NULL
+#define omap3_dm_timers NULL
+#define omap3_dm_source_names NULL
+#define omap3_dm_source_clocks NULL
-static struct omap_dm_timer dm_timers[] = {
+static struct omap_dm_timer omap2_dm_timers[] = {
{ .phys_base = 0x48028000, .irq = INT_24XX_GPTIMER1 },
{ .phys_base = 0x4802a000, .irq = INT_24XX_GPTIMER2 },
{ .phys_base = 0x48078000, .irq = INT_24XX_GPTIMER3 },
@@ -114,13 +126,48 @@ static struct omap_dm_timer dm_timers[] = {
{ .phys_base = 0x4808a000, .irq = INT_24XX_GPTIMER12 },
};
-static const char *dm_source_names[] = {
+static const char *omap2_dm_source_names[] __initdata = {
"sys_ck",
"func_32k_ck",
- "alt_ck"
+ "alt_ck",
+ NULL
+};
+
+static struct clk **omap2_dm_source_clocks[3];
+static const int dm_timer_count = ARRAY_SIZE(omap2_dm_timers);
+
+#elif defined(CONFIG_ARCH_OMAP3)
+
+#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
+
+static struct omap_dm_timer omap3_dm_timers[] = {
+ { .phys_base = 0x48318000, .irq = INT_24XX_GPTIMER1 },
+ { .phys_base = 0x49032000, .irq = INT_24XX_GPTIMER2 },
+ { .phys_base = 0x49034000, .irq = INT_24XX_GPTIMER3 },
+ { .phys_base = 0x49036000, .irq = INT_24XX_GPTIMER4 },
+ { .phys_base = 0x49038000, .irq = INT_24XX_GPTIMER5 },
+ { .phys_base = 0x4903A000, .irq = INT_24XX_GPTIMER6 },
+ { .phys_base = 0x4903C000, .irq = INT_24XX_GPTIMER7 },
+ { .phys_base = 0x4903E000, .irq = INT_24XX_GPTIMER8 },
+ { .phys_base = 0x49040000, .irq = INT_24XX_GPTIMER9 },
+ { .phys_base = 0x48086000, .irq = INT_24XX_GPTIMER10 },
+ { .phys_base = 0x48088000, .irq = INT_24XX_GPTIMER11 },
+ { .phys_base = 0x48304000, .irq = INT_24XX_GPTIMER12 },
+};
+
+static const char *omap3_dm_source_names[] __initdata = {
+ "sys_ck",
+ "omap_32k_fck",
+ NULL
};
-static struct clk *dm_source_clocks[3];
+static struct clk **omap3_dm_source_clocks[2];
+static const int dm_timer_count = ARRAY_SIZE(omap3_dm_timers);
#else
@@ -128,7 +175,10 @@ static struct clk *dm_source_clocks[3];
#endif
-static const int dm_timer_count = ARRAY_SIZE(dm_timers);
+static struct omap_dm_timer *dm_timers;
+static char **dm_source_names;
+static struct clk **dm_source_clocks;
+
static spinlock_t dm_timer_lock;
static inline u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, int reg)
@@ -299,7 +349,7 @@ __u32 omap_dm_timer_modify_idlect_mask(__u32 inputmask)
return inputmask;
}
-#elif defined(CONFIG_ARCH_OMAP2)
+#elif defined(CONFIG_ARCH_OMAP2) || defined (CONFIG_ARCH_OMAP3)
struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer)
{
@@ -486,36 +536,46 @@ int omap_dm_timers_active(void)
return 0;
}
-int omap_dm_timer_init(void)
+int __init omap_dm_timer_init(void)
{
struct omap_dm_timer *timer;
int i;
- if (!(cpu_is_omap16xx() || cpu_is_omap24xx()))
+ if (!(cpu_is_omap16xx() || cpu_class_is_omap2()))
return -ENODEV;
spin_lock_init(&dm_timer_lock);
-#ifdef CONFIG_ARCH_OMAP2
- for (i = 0; i < ARRAY_SIZE(dm_source_names); i++) {
- dm_source_clocks[i] = clk_get(NULL, dm_source_names[i]);
- BUG_ON(dm_source_clocks[i] == NULL);
+
+ if (cpu_class_is_omap1())
+ dm_timers = omap1_dm_timers;
+ else if (cpu_is_omap24xx()) {
+ dm_timers = omap2_dm_timers;
+ dm_source_names = (char **)omap2_dm_source_names;
+ dm_source_clocks = (struct clk **)omap2_dm_source_clocks;
+ } else if (cpu_is_omap34xx()) {
+ dm_timers = omap3_dm_timers;
+ dm_source_names = (char **)omap3_dm_source_names;
+ dm_source_clocks = (struct clk **)omap3_dm_source_clocks;
}
-#endif
+
+ if (cpu_class_is_omap2())
+ for (i = 0; dm_source_names[i] != NULL; i++)
+ dm_source_clocks[i] = clk_get(NULL, dm_source_names[i]);
+
if (cpu_is_omap243x())
dm_timers[0].phys_base = 0x49018000;
for (i = 0; i < dm_timer_count; i++) {
-#ifdef CONFIG_ARCH_OMAP2
- char clk_name[16];
-#endif
-
timer = &dm_timers[i];
- timer->io_base = (void __iomem *) io_p2v(timer->phys_base);
-#ifdef CONFIG_ARCH_OMAP2
- sprintf(clk_name, "gpt%d_ick", i + 1);
- timer->iclk = clk_get(NULL, clk_name);
- sprintf(clk_name, "gpt%d_fck", i + 1);
- timer->fclk = clk_get(NULL, clk_name);
+ timer->io_base = (void __iomem *)io_p2v(timer->phys_base);
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+ if (cpu_class_is_omap2()) {
+ char clk_name[16];
+ sprintf(clk_name, "gpt%d_ick", i + 1);
+ timer->iclk = clk_get(NULL, clk_name);
+ sprintf(clk_name, "gpt%d_fck", i + 1);
+ timer->fclk = clk_get(NULL, clk_name);
+ }
#endif
}
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-25 05:38:20 +0000