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-rw-r--r--arch/arm/mach-omap/board-generic.c14
-rw-r--r--arch/arm/mach-omap/board-h2.c14
-rw-r--r--arch/arm/mach-omap/board-h3.c14
-rw-r--r--arch/arm/mach-omap/board-innovator.c14
-rw-r--r--arch/arm/mach-omap/board-netstar.c16
-rw-r--r--arch/arm/mach-omap/board-osk.c14
-rw-r--r--arch/arm/mach-omap/board-perseus2.c14
-rw-r--r--arch/arm/mach-omap/board-voiceblue.c16
-rw-r--r--arch/arm/mach-omap/pm.c16
-rw-r--r--arch/arm/mach-omap/time.c44
-rw-r--r--arch/arm/mach-omap/usb.c1
11 files changed, 118 insertions, 59 deletions
diff --git a/arch/arm/mach-omap/board-generic.c b/arch/arm/mach-omap/board-generic.c
index 2102a2c..384bc7c 100644
--- a/arch/arm/mach-omap/board-generic.c
+++ b/arch/arm/mach-omap/board-generic.c
@@ -88,11 +88,13 @@ static void __init omap_generic_map_io(void)
}
MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710")
- MAINTAINER("Tony Lindgren <tony@atomide.com>")
- BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
- BOOT_PARAMS(0x10000100)
- MAPIO(omap_generic_map_io)
- INITIRQ(omap_generic_init_irq)
- INIT_MACHINE(omap_generic_init)
+ /* Maintainer: Tony Lindgren <tony@atomide.com> */
+ .phys_ram = 0x10000000,
+ .phys_io = 0xfff00000,
+ .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
+ .boot_params = 0x10000100,
+ .map_io = omap_generic_map_io,
+ .init_irq = omap_generic_init_irq,
+ .init_machine = omap_generic_init,
.timer = &omap_timer,
MACHINE_END
diff --git a/arch/arm/mach-omap/board-h2.c b/arch/arm/mach-omap/board-h2.c
index 1f06783..f37c76a 100644
--- a/arch/arm/mach-omap/board-h2.c
+++ b/arch/arm/mach-omap/board-h2.c
@@ -177,11 +177,13 @@ static void __init h2_map_io(void)
}
MACHINE_START(OMAP_H2, "TI-H2")
- MAINTAINER("Imre Deak <imre.deak@nokia.com>")
- BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
- BOOT_PARAMS(0x10000100)
- MAPIO(h2_map_io)
- INITIRQ(h2_init_irq)
- INIT_MACHINE(h2_init)
+ /* Maintainer: Imre Deak <imre.deak@nokia.com> */
+ .phys_ram = 0x10000000,
+ .phys_io = 0xfff00000,
+ .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
+ .boot_params = 0x10000100,
+ .map_io = h2_map_io,
+ .init_irq = h2_init_irq,
+ .init_machine = h2_init,
.timer = &omap_timer,
MACHINE_END
diff --git a/arch/arm/mach-omap/board-h3.c b/arch/arm/mach-omap/board-h3.c
index 486a5a0..705e485 100644
--- a/arch/arm/mach-omap/board-h3.c
+++ b/arch/arm/mach-omap/board-h3.c
@@ -195,11 +195,13 @@ static void __init h3_map_io(void)
}
MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
- MAINTAINER("Texas Instruments, Inc.")
- BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
- BOOT_PARAMS(0x10000100)
- MAPIO(h3_map_io)
- INITIRQ(h3_init_irq)
- INIT_MACHINE(h3_init)
+ /* Maintainer: Texas Instruments, Inc. */
+ .phys_ram = 0x10000000,
+ .phys_io = 0xfff00000,
+ .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
+ .boot_params = 0x10000100,
+ .map_io = h3_map_io,
+ .init_irq = h3_init_irq,
+ .init_machine = h3_init,
.timer = &omap_timer,
MACHINE_END
diff --git a/arch/arm/mach-omap/board-innovator.c b/arch/arm/mach-omap/board-innovator.c
index 57cf4da..523363f 100644
--- a/arch/arm/mach-omap/board-innovator.c
+++ b/arch/arm/mach-omap/board-innovator.c
@@ -270,11 +270,13 @@ static void __init innovator_map_io(void)
}
MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
- MAINTAINER("MontaVista Software, Inc.")
- BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
- BOOT_PARAMS(0x10000100)
- MAPIO(innovator_map_io)
- INITIRQ(innovator_init_irq)
- INIT_MACHINE(innovator_init)
+ /* Maintainer: MontaVista Software, Inc. */
+ .phys_ram = 0x10000000,
+ .phys_io = 0xfff00000,
+ .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
+ .boot_params = 0x10000100,
+ .map_io = innovator_map_io,
+ .init_irq = innovator_init_irq,
+ .init_machine = innovator_init,
.timer = &omap_timer,
MACHINE_END
diff --git a/arch/arm/mach-omap/board-netstar.c b/arch/arm/mach-omap/board-netstar.c
index 54acbd2..8c65373 100644
--- a/arch/arm/mach-omap/board-netstar.c
+++ b/arch/arm/mach-omap/board-netstar.c
@@ -141,11 +141,13 @@ static int __init netstar_late_init(void)
postcore_initcall(netstar_late_init);
MACHINE_START(NETSTAR, "NetStar OMAP5910")
- MAINTAINER("Ladislav Michl <michl@2n.cz>")
- BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
- BOOT_PARAMS(0x10000100)
- MAPIO(netstar_map_io)
- INITIRQ(netstar_init_irq)
- INIT_MACHINE(netstar_init)
- .timer = &omap_timer,
+ /* Maintainer: Ladislav Michl <michl@2n.cz> */
+ .phys_ram = 0x10000000,
+ .phys_io = 0xfff00000,
+ .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
+ .boot_params = 0x10000100,
+ .map_io = netstar_map_io,
+ .init_irq = netstar_init_irq,
+ .init_machine = netstar_init,
+ .timer = &omap_timer,
MACHINE_END
diff --git a/arch/arm/mach-omap/board-osk.c b/arch/arm/mach-omap/board-osk.c
index a951fc8..cb43343 100644
--- a/arch/arm/mach-omap/board-osk.c
+++ b/arch/arm/mach-omap/board-osk.c
@@ -159,11 +159,13 @@ static void __init osk_map_io(void)
}
MACHINE_START(OMAP_OSK, "TI-OSK")
- MAINTAINER("Dirk Behme <dirk.behme@de.bosch.com>")
- BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
- BOOT_PARAMS(0x10000100)
- MAPIO(osk_map_io)
- INITIRQ(osk_init_irq)
- INIT_MACHINE(osk_init)
+ /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
+ .phys_ram = 0x10000000,
+ .phys_io = 0xfff00000,
+ .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
+ .boot_params = 0x10000100,
+ .map_io = osk_map_io,
+ .init_irq = osk_init_irq,
+ .init_machine = osk_init,
.timer = &omap_timer,
MACHINE_END
diff --git a/arch/arm/mach-omap/board-perseus2.c b/arch/arm/mach-omap/board-perseus2.c
index 64515ae..d534204 100644
--- a/arch/arm/mach-omap/board-perseus2.c
+++ b/arch/arm/mach-omap/board-perseus2.c
@@ -179,11 +179,13 @@ static void __init omap_perseus2_map_io(void)
}
MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
- MAINTAINER("Kevin Hilman <kjh@hilman.org>")
- BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
- BOOT_PARAMS(0x10000100)
- MAPIO(omap_perseus2_map_io)
- INITIRQ(omap_perseus2_init_irq)
- INIT_MACHINE(omap_perseus2_init)
+ /* Maintainer: Kevin Hilman <kjh@hilman.org> */
+ .phys_ram = 0x10000000,
+ .phys_io = 0xfff00000,
+ .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
+ .boot_params = 0x10000100,
+ .map_io = omap_perseus2_map_io,
+ .init_irq = omap_perseus2_init_irq,
+ .init_machine = omap_perseus2_init,
.timer = &omap_timer,
MACHINE_END
diff --git a/arch/arm/mach-omap/board-voiceblue.c b/arch/arm/mach-omap/board-voiceblue.c
index f1a5bff..6b0c500 100644
--- a/arch/arm/mach-omap/board-voiceblue.c
+++ b/arch/arm/mach-omap/board-voiceblue.c
@@ -246,11 +246,13 @@ EXPORT_SYMBOL(voiceblue_wdt_disable);
EXPORT_SYMBOL(voiceblue_wdt_ping);
MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910")
- MAINTAINER("Ladislav Michl <michl@2n.cz>")
- BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
- BOOT_PARAMS(0x10000100)
- MAPIO(voiceblue_map_io)
- INITIRQ(voiceblue_init_irq)
- INIT_MACHINE(voiceblue_init)
- .timer = &omap_timer,
+ /* Maintainer: Ladislav Michl <michl@2n.cz> */
+ .phys_ram = 0x10000000,
+ .phys_io = 0xfff00000,
+ .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
+ .boot_params = 0x10000100,
+ .map_io = voiceblue_map_io,
+ .init_irq = voiceblue_init_irq,
+ .init_machine = voiceblue_init,
+ .timer = &omap_timer,
MACHINE_END
diff --git a/arch/arm/mach-omap/pm.c b/arch/arm/mach-omap/pm.c
index 00fac15..6b03ccd 100644
--- a/arch/arm/mach-omap/pm.c
+++ b/arch/arm/mach-omap/pm.c
@@ -41,7 +41,9 @@
#include <linux/pm.h>
#include <asm/io.h>
+#include <asm/mach/time.h>
#include <asm/mach-types.h>
+
#include <asm/arch/omap16xx.h>
#include <asm/arch/pm.h>
#include <asm/arch/mux.h>
@@ -80,13 +82,13 @@ void omap_pm_idle(void)
return;
}
mask32 = omap_readl(ARM_SYSST);
- local_fiq_enable();
- local_irq_enable();
-#if defined(CONFIG_OMAP_32K_TIMER) && defined(CONFIG_NO_IDLE_HZ)
- /* Override timer to use VST for the next cycle */
- omap_32k_timer_next_vst_interrupt();
-#endif
+ /*
+ * Since an interrupt may set up a timer, we don't want to
+ * reprogram the hardware timer with interrupts enabled.
+ * Re-enable interrupts only after returning from idle.
+ */
+ timer_dyn_reprogram();
if ((mask32 & DSP_IDLE) == 0) {
__asm__ volatile ("mcr p15, 0, r0, c7, c0, 4");
@@ -102,6 +104,8 @@ void omap_pm_idle(void)
func_ptr();
}
+ local_fiq_enable();
+ local_irq_enable();
}
/*
diff --git a/arch/arm/mach-omap/time.c b/arch/arm/mach-omap/time.c
index 589e8b2..dd34e9f 100644
--- a/arch/arm/mach-omap/time.c
+++ b/arch/arm/mach-omap/time.c
@@ -4,7 +4,7 @@
* OMAP Timers
*
* Copyright (C) 2004 Nokia Corporation
- * Partial timer rewrite and additional VST timer support by
+ * Partial timer rewrite and additional dynamic tick timer support by
* Tony Lindgen <tony@atomide.com> and
* Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
*
@@ -261,7 +261,6 @@ unsigned long long sched_clock(void)
* so with HZ = 100, TVR = 327.68.
*/
#define OMAP_32K_TIMER_TICK_PERIOD ((32768 / HZ) - 1)
-#define MAX_SKIP_JIFFIES 25
#define TIMER_32K_SYNCHRONIZED 0xfffbc410
#define JIFFIES_TO_HW_TICKS(nr_jiffies, clock_rate) \
@@ -347,6 +346,42 @@ static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id,
return IRQ_HANDLED;
}
+#ifdef CONFIG_NO_IDLE_HZ
+/*
+ * Programs the next timer interrupt needed. Called when dynamic tick is
+ * enabled, and to reprogram the ticks to skip from pm_idle. Note that
+ * we can keep the timer continuous, and don't need to set it to run in
+ * one-shot mode. This is because the timer will get reprogrammed again
+ * after next interrupt.
+ */
+void omap_32k_timer_reprogram(unsigned long next_tick)
+{
+ omap_32k_timer_start(JIFFIES_TO_HW_TICKS(next_tick, 32768) + 1);
+}
+
+static struct irqaction omap_32k_timer_irq;
+extern struct timer_update_handler timer_update;
+
+static int omap_32k_timer_enable_dyn_tick(void)
+{
+ /* No need to reprogram timer, just use the next interrupt */
+ return 0;
+}
+
+static int omap_32k_timer_disable_dyn_tick(void)
+{
+ omap_32k_timer_start(OMAP_32K_TIMER_TICK_PERIOD);
+ return 0;
+}
+
+static struct dyn_tick_timer omap_dyn_tick_timer = {
+ .enable = omap_32k_timer_enable_dyn_tick,
+ .disable = omap_32k_timer_disable_dyn_tick,
+ .reprogram = omap_32k_timer_reprogram,
+ .handler = omap_32k_timer_interrupt,
+};
+#endif /* CONFIG_NO_IDLE_HZ */
+
static struct irqaction omap_32k_timer_irq = {
.name = "32KHz timer",
.flags = SA_INTERRUPT | SA_TIMER,
@@ -355,6 +390,11 @@ static struct irqaction omap_32k_timer_irq = {
static __init void omap_init_32k_timer(void)
{
+
+#ifdef CONFIG_NO_IDLE_HZ
+ omap_timer.dyn_tick = &omap_dyn_tick_timer;
+#endif
+
setup_irq(INT_OS_TIMER, &omap_32k_timer_irq);
omap_timer.offset = omap_32k_timer_gettimeoffset;
omap_32k_last_tick = omap_32k_sync_timer_read();
diff --git a/arch/arm/mach-omap/usb.c b/arch/arm/mach-omap/usb.c
index 7f37857..fd483ff 100644
--- a/arch/arm/mach-omap/usb.c
+++ b/arch/arm/mach-omap/usb.c
@@ -41,7 +41,6 @@
/* These routines should handle the standard chip-specific modes
* for usb0/1/2 ports, covering basic mux and transceiver setup.
- * Call omap_usb_init() once, from INIT_MACHINE().
*
* Some board-*.c files will need to set up additional mux options,
* like for suspend handling, vbus sensing, GPIOs, and the D+ pullup.
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