7 files changed, 47 insertions, 33 deletions

diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index 8d2f2daba0c..e0a028161dd 100644
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -9,6 +9,7 @@ config ARCH_OMAP730
         depends on ARCH_OMAP1
         bool "OMAP730 Based System"
         select CPU_ARM926T
+        select OMAP_MPU_TIMER
         select ARCH_OMAP_OTG
 
 config ARCH_OMAP850
@@ -22,6 +23,7 @@ config ARCH_OMAP15XX
         default y
         bool "OMAP15xx Based System"
         select CPU_ARM925T
+        select OMAP_MPU_TIMER
 
 config ARCH_OMAP16XX
         depends on ARCH_OMAP1
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 6ee19504845..ba6009f2767 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -3,12 +3,11 @@
 #
 
 # Common support
-obj-y := io.o id.o sram.o irq.o mux.o flash.o serial.o devices.o dma.o
+obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o
 obj-y += clock.o clock_data.o opp_data.o
 
 obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
 
-obj-$(CONFIG_OMAP_MPU_TIMER)    += time.o
 obj-$(CONFIG_OMAP_32K_TIMER)    += timer32k.o
 
 # Power Management
diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c
index a39a15e4f3f..b03f34d55d8 100644
--- a/arch/arm/mach-omap1/time.c
+++ b/arch/arm/mach-omap1/time.c
@@ -57,6 +57,8 @@
 
 #include <plat/common.h>
 
+#ifdef CONFIG_OMAP_MPU_TIMER
+
 #define OMAP_MPU_TIMER_BASE             OMAP_MPU_TIMER1_BASE
 #define OMAP_MPU_TIMER_OFFSET           0x100
 
@@ -236,12 +238,7 @@ static void __init omap_init_clocksource(unsigned long rate)
                 printk(err, clocksource_mpu.name);
 }
 
-/*
- * ---------------------------------------------------------------------------
- * Timer initialization
- * ---------------------------------------------------------------------------
- */
-static void __init omap_timer_init(void)
+static void __init omap_mpu_timer_init(void)
 {
         struct clk      *ck_ref = clk_get(NULL, "ck_ref");
         unsigned long   rate;
@@ -256,13 +253,38 @@ static void __init omap_timer_init(void)
 
         omap_init_mpu_timer(rate);
         omap_init_clocksource(rate);
-        /*
-         * XXX Since this file seems to deal mostly with the MPU timer,
-         * this doesn't seem like the correct place for the sync timer
-         * clocksource init.
-         */
-        if (!cpu_is_omap7xx() && !cpu_is_omap15xx())
-                omap_init_clocksource_32k();
+}
+
+#else
+static inline void omap_mpu_timer_init(void)
+{
+        pr_err("Bogus timer, should not happen\n");
+}
+#endif  /* CONFIG_OMAP_MPU_TIMER */
+
+static inline int omap_32k_timer_usable(void)
+{
+        int res = false;
+
+        if (cpu_is_omap730() || cpu_is_omap15xx())
+                return res;
+
+#ifdef CONFIG_OMAP_32K_TIMER
+        res = omap_32k_timer_init();
+#endif
+
+        return res;
+}
+
+/*
+ * ---------------------------------------------------------------------------
+ * Timer initialization
+ * ---------------------------------------------------------------------------
+ */
+static void __init omap_timer_init(void)
+{
+        if (!omap_32k_timer_usable())
+                omap_mpu_timer_init();
 }
 
 struct sys_timer omap_timer = {
diff --git a/arch/arm/mach-omap1/timer32k.c b/arch/arm/mach-omap1/timer32k.c
index 20cfbcc6c60..13d7b8f145b 100644
--- a/arch/arm/mach-omap1/timer32k.c
+++ b/arch/arm/mach-omap1/timer32k.c
@@ -52,10 +52,9 @@
 #include <asm/irq.h>
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
+#include <plat/common.h>
 #include <plat/dmtimer.h>
 
-struct sys_timer omap_timer;
-
 /*
  * ---------------------------------------------------------------------------
  * 32KHz OS timer
@@ -181,14 +180,14 @@ static __init void omap_init_32k_timer(void)
  * Timer initialization
  * ---------------------------------------------------------------------------
  */
-static void __init omap_timer_init(void)
+bool __init omap_32k_timer_init(void)
 {
+        omap_init_clocksource_32k();
+
 #ifdef CONFIG_OMAP_DM_TIMER
         omap_dm_timer_init();
 #endif
         omap_init_32k_timer();
-}
 
-struct sys_timer omap_timer = {
-        .init           = omap_timer_init,
-};
+        return true;
+}
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 18fe3cb195d..b6333ae3f92 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -144,12 +144,9 @@ config OMAP_IOMMU_DEBUG
 config OMAP_IOMMU_IVA2
         bool
 
-choice
-        prompt "System timer"
-        default OMAP_32K_TIMER if !ARCH_OMAP15XX
-
 config OMAP_MPU_TIMER
         bool "Use mpu timer"
+        depends on ARCH_OMAP1
         help
           Select this option if you want to use the OMAP mpu timer. This
           timer provides more intra-tick resolution than the 32KHz timer,
@@ -158,6 +155,7 @@ config OMAP_MPU_TIMER
 config OMAP_32K_TIMER
         bool "Use 32KHz timer"
         depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
+        default y if (ARCH_OMAP16XX || ARCH_OMAP2PLUS)
         help
           Select this option if you want to enable the OMAP 32KHz timer.
           This timer saves power compared to the OMAP_MPU_TIMER, and has
@@ -165,8 +163,6 @@ config OMAP_32K_TIMER
           intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is
           currently only available for OMAP16XX, 24XX, 34XX and OMAP4.
 
-endchoice
-
 config OMAP3_L2_AUX_SECURE_SAVE_RESTORE
         bool "OMAP3 HS/EMU save and restore for L2 AUX control register"
         depends on ARCH_OMAP3 && PM
diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c
index 0367998ff68..5d7b08b5a13 100644
--- a/arch/arm/plat-omap/counter_32k.c
+++ b/arch/arm/plat-omap/counter_32k.c
@@ -36,8 +36,6 @@
 
 #define OMAP16XX_TIMER_32K_SYNCHRONIZED         0xfffbc410
 
-#if !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX))
-
 #include <linux/clocksource.h>
 
 /*
@@ -195,6 +193,3 @@ int __init omap_init_clocksource_32k(void)
         }
         return 0;
 }
-
-#endif  /* !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX)) */
-
diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h
index 84c707f713b..ef683e01701 100644
--- a/arch/arm/plat-omap/include/plat/common.h
+++ b/arch/arm/plat-omap/include/plat/common.h
@@ -35,6 +35,7 @@ struct sys_timer;
 
 extern void omap_map_common_io(void);
 extern struct sys_timer omap_timer;
+extern bool omap_32k_timer_init(void);
 extern int __init omap_init_clocksource_32k(void);
 
 extern void omap_reserve(void);