diff options
| author | Juha Yrjola <juha.yrjola@solidboot.com> | 2006-09-25 12:41:44 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2006-09-25 12:41:44 +0300 |
| commit | 39020842b3d8a450e80724a71d5df676535d249e (patch) | |
| tree | ca33882d0d89ba97c864c17ec950b7c1ef8c1212 /arch | |
| parent | ab0a2b9b9f536d860681dacbfb5784bd76e88a1e (diff) | |
| download | linux-39020842b3d8a450e80724a71d5df676535d249e.tar.bz2 | |
ARM: OMAP: OMAP2 dmtimer power management support
GPT1 will be set into non-posted mode, and the wakeup register
is set for all timers.
Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/plat-omap/dmtimer.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index 8d6197497a74..bcbb8d7392be 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -161,7 +161,7 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer) { u32 l; - if (timer != &dm_timers[0]) { + if (!cpu_class_is_omap2() || timer != &dm_timers[0]) { omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, 0x06); omap_dm_timer_wait_for_reset(timer); } @@ -170,6 +170,13 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer) /* Set to smart-idle mode */ l = omap_dm_timer_read_reg(timer, OMAP_TIMER_OCP_CFG_REG); l |= 0x02 << 3; + + if (cpu_class_is_omap2() && timer == &dm_timers[0]) { + /* Enable wake-up only for GPT1 on OMAP2 CPUs*/ + l |= 1 << 2; + /* Non-posted mode */ + omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, 0); + } omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l); } @@ -431,6 +438,7 @@ void omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, unsigned int value) { omap_dm_timer_write_reg(timer, OMAP_TIMER_INT_EN_REG, value); + omap_dm_timer_write_reg(timer, OMAP_TIMER_WAKEUP_EN_REG, value); } unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer) |