common: Move some time functions out of common.h

These functions belong in time.h so move them over and add comments.
Signed-off-by: NSimon Glass <sjg@chromium.org>
Reviewed-by: NTom Rini <trini@konsulko.com>

arch/arm/cpu/armv7/ls102xa/timer.c

@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <time.h>
 #include <asm/io.h>
 #include <div64.h>
 #include <asm/arch/immap_ls102xa.h>

arch/arm/cpu/armv8/generic_timer.c

@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <time.h>
 #include <asm/system.h>
 
 DECLARE_GLOBAL_DATA_PTR;

arch/arm/mach-imx/syscounter.c

@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <time.h>
 #include <asm/io.h>
 #include <div64.h>
 #include <asm/arch/imx-regs.h>

arch/arm/mach-imx/timer.c

@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <time.h>
 #include <asm/io.h>
 #include <div64.h>
 #include <asm/arch/imx-regs.h>

arch/m68k/lib/time.c

@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <time.h>
 
 #include <asm/timer.h>
 #include <asm/immap.h>

arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.c

@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <env.h>
+#include <time.h>
 #ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
 #include <hwconfig.h>
 #endif

arch/powerpc/cpu/mpc8xxx/srio.c

@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <config.h>
+#include <time.h>
 #include <asm/fsl_law.h>
 #include <asm/fsl_serdes.h>
 #include <asm/fsl_srio.h>

arch/powerpc/lib/time.c

@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include <time.h>
 #include <asm/io.h>
 
 /* ------------------------------------------------------------------------- */

drivers/crypto/fsl/jr.c

@@ -11,6 +11,7 @@
 #include "jr.h"
 #include "jobdesc.h"
 #include "desc_constr.h"
+#include <time.h>
 #ifdef CONFIG_FSL_CORENET
 #include <asm/fsl_pamu.h>
 #endif

drivers/i2c/fsl_i2c.c

@@ -9,6 +9,7 @@
 #include <common.h>
 #include <command.h>
 #include <i2c.h>		/* Functional interface */
+#include <time.h>
 #include <asm/io.h>
 #include <asm/fsl_i2c.h>	/* HW definitions */
 #include <clk.h>

include/common.h

@@ -288,10 +288,6 @@ int cleanup_before_linux_select(int flags);
 uint64_t get_ticks(void);
 void	wait_ticks    (unsigned long);
 
-/* arch/$(ARCH)/lib/time.c */
-ulong	usec2ticks    (unsigned long usec);
-ulong	ticks2usec    (unsigned long ticks);
-
 /* lib/uuid.c */
 #include <uuid.h>
 

include/time.h

@@ -70,4 +70,20 @@ uint64_t usec_to_tick(unsigned long usec);
 	(time_after_eq(a,b) && \
 	 time_before(a,c))
 
+/**
+ * usec2ticks() - Convert microseconds to internal ticks
+ *
+ * @usec: Value of microseconds to convert
+ * @return Corresponding internal ticks value, calculated using get_tbclk()
+ */
+ulong usec2ticks(unsigned long usec);
+
+/**
+ * ticks2usec() - Convert internal ticks to microseconds
+ *
+ * @ticks: Value of ticks to convert
+ * @return Corresponding microseconds value, calculated using get_tbclk()
+ */
+ulong ticks2usec(unsigned long ticks);
+
 #endif /* _TIME_H */