From ce2df9ca41997f38cdfb9bee0db08763487222ae Mon Sep 17 00:00:00 2001 From: "Syed Mohammed, Khasim" Date: Mon, 25 Jun 2007 22:55:39 -0700 Subject: ARM: OMAP: Add dmtimer support for OMAP3 Add DM timer support for OMAP3. Fixed source clocks for 3430 by Paul Walmsley . Signed-off-by: Syed Mohammed Khasim Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/plat-omap/dmtimer.c | 51 ++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 47 insertions(+), 4 deletions(-) (limited to 'arch/arm/plat-omap/dmtimer.c') diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index 0b5689edf2f2..e719d0eeb5c8 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -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; @@ -85,6 +85,9 @@ struct omap_dm_timer { #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 }, @@ -104,6 +107,9 @@ static const int dm_timer_count = ARRAY_SIZE(omap1_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 +#define omap3_dm_timers NULL +#define omap3_dm_source_names NULL +#define omap3_dm_source_clocks NULL static struct omap_dm_timer omap2_dm_timers[] = { { .phys_base = 0x48028000, .irq = INT_24XX_GPTIMER1 }, @@ -130,6 +136,39 @@ 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) + +#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 **omap3_dm_source_clocks[2]; +static const int dm_timer_count = ARRAY_SIZE(omap3_dm_timers); + #else #error OMAP architecture not supported! @@ -310,7 +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) { @@ -502,7 +541,7 @@ 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); @@ -513,6 +552,10 @@ int __init omap_dm_timer_init(void) 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; } if (cpu_class_is_omap2()) @@ -525,7 +568,7 @@ int __init omap_dm_timer_init(void) for (i = 0; i < dm_timer_count; i++) { timer = &dm_timers[i]; timer->io_base = (void __iomem *)io_p2v(timer->phys_base); -#ifdef CONFIG_ARCH_OMAP2 +#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); -- cgit v1.2.3-59-g8ed1b