mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-23 09:19:51 +00:00
Code Issues Releases Wiki Activity

omap: Fix dmtimer.c for multi-omap boot

Browse source 
Fix dmtimer.c for multi-omap boot. Also remove legacy
clk_enable/disable wrappers that are no longer needed.

Note that the clock handling should be further improved
to make use of the clock aliases.

Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren 2010-02-12 12:26:46 -08:00
parent 56213ca4e4
commit 882c0518e5
1 changed files with 39 additions and 51 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

90
arch/arm/plat-omap/dmtimer.c
View file

@ -163,20 +163,9 @@ struct omap_dm_timer {
unsigned posted:1;
};
static int dm_timer_count;
#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 struct omap_dm_timer omap1_dm_timers[] = {
{ .phys_base = 0xfffb1400, .irq = INT_1610_GPTIMER1 },
{ .phys_base = 0xfffb1c00, .irq = INT_1610_GPTIMER2 },
@ -188,20 +177,14 @@ 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 +208,16 @@ 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);
static const int omap2_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
#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 },
@ -261,20 +240,16 @@ 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 },
@ -295,13 +270,14 @@ static const char *omap4_dm_source_names[] __initdata = {
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 +426,12 @@ 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 +442,12 @@ 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;
}
@ -764,17 +748,21 @@ 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;
}