ARM: atmel: arm9: switch to use common timer functions

Signed-off-by: Bo Shen <voice.shen@atmel.com>
[rebase on current master]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>

diff --git a/arch/arm/mach-at91/arm926ejs/timer.c b/arch/arm/mach-at91/arm926ejs/timer.c
index b0b7fb9..31ce646 100644 (file)
--- a/arch/arm/mach-at91/arm926ejs/timer.c
+++ b/arch/arm/mach-at91/arm926ejs/timer.c
@@ -33,22 +33,6 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #define TIMER_LOAD_VAL 0xfffff
 
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
-       tick *= CONFIG_SYS_HZ;
-       do_div(tick, gd->arch.timer_rate_hz);
-
-       return tick;
-}
-
-static inline unsigned long long usec_to_tick(unsigned long long usec)
-{
-       usec *= gd->arch.timer_rate_hz;
-       do_div(usec, 1000000);
-
-       return usec;
-}
-
 /*
  * Use the PITC in full 32 bit incrementing mode
  */
@@ -64,53 +48,10 @@ int timer_init(void)
        writel(TIMER_LOAD_VAL | AT91_PIT_MR_EN , &pit->mr);
 
        gd->arch.timer_rate_hz = gd->arch.mck_rate_hz / 16;
-       gd->arch.tbu = gd->arch.tbl = 0;
 
        return 0;
 }
 
-/*
- * Get the current 64 bit timer tick count
- */
-unsigned long long get_ticks(void)
-{
-       at91_pit_t *pit = (at91_pit_t *) ATMEL_BASE_PIT;
-
-       ulong now = readl(&pit->piir);
-
-       /* increment tbu if tbl has rolled over */
-       if (now < gd->arch.tbl)
-               gd->arch.tbu++;
-       gd->arch.tbl = now;
-       return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl;
-}
-
-void __udelay(unsigned long usec)
-{
-       unsigned long long start;
-       ulong tmo;
-
-       start = get_ticks();            /* get current timestamp */
-       tmo = usec_to_tick(usec);       /* convert usecs to ticks */
-       while ((get_ticks() - start) < tmo)
-               ;                       /* loop till time has passed */
-}
-
-/*
- * get_timer(base) can be used to check for timeouts or
- * to measure elasped time relative to an event:
- *
- * ulong start_time = get_timer(0) sets start_time to the current
- * time value.
- * get_timer(start_time) returns the time elapsed since then.
- *
- * The time is used in CONFIG_SYS_HZ units!
- */
-ulong get_timer(ulong base)
-{
-       return tick_to_time(get_ticks()) - base;
-}
-
 /*
  * Return the number of timer ticks per second.
  */

diff --git a/arch/arm/mach-at91/include/mach/at91sam9260.h b/arch/arm/mach-at91/include/mach/at91sam9260.h
index 8950d67..1a4e84b 100644 (file)
--- a/arch/arm/mach-at91/include/mach/at91sam9260.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9260.h
@@ -133,6 +133,9 @@
 #define ATMEL_BASE_CS6         0x70000000
 #define ATMEL_BASE_CS7         0x80000000
 
+/* Timer */
+#define CONFIG_SYS_TIMER_COUNTER       0xfffffd3c
+
 /*
  * Other misc defines
  */

diff --git a/arch/arm/mach-at91/include/mach/at91sam9261.h b/arch/arm/mach-at91/include/mach/at91sam9261.h
index 6dfcf4c..914a3b0 100644 (file)
--- a/arch/arm/mach-at91/include/mach/at91sam9261.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9261.h
@@ -117,6 +117,9 @@
 #define ATMEL_BASE_CS6         0x70000000
 #define ATMEL_BASE_CS7         0x80000000
 
+/* Timer */
+#define CONFIG_SYS_TIMER_COUNTER       0xfffffd3c
+
 /*
  * Other misc defines
  */

diff --git a/arch/arm/mach-at91/include/mach/at91sam9263.h b/arch/arm/mach-at91/include/mach/at91sam9263.h
index 64a3888..71675ab 100644 (file)
--- a/arch/arm/mach-at91/include/mach/at91sam9263.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9263.h
@@ -132,6 +132,9 @@
 #define ATMEL_BASE_CS6         0x70000000
 #define ATMEL_BASE_CS7         0x80000000
 
+/* Timer */
+#define CONFIG_SYS_TIMER_COUNTER       0xfffffd3c
+
 /*
  * Other misc defines
  */

diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h
index 6df8cdb..cf1c73f 100644 (file)
--- a/arch/arm/mach-at91/include/mach/at91sam9g45.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h
@@ -136,6 +136,9 @@
 #define ATMEL_BASE_CS6         0x70000000
 #define ATMEL_BASE_CS7         0x80000000
 
+/* Timer */
+#define CONFIG_SYS_TIMER_COUNTER       0xfffffd3c
+
 /*
  * Other misc defines
  */

diff --git a/arch/arm/mach-at91/include/mach/at91sam9rl.h b/arch/arm/mach-at91/include/mach/at91sam9rl.h
index 3a8e6d6..70bbf4e 100644 (file)
--- a/arch/arm/mach-at91/include/mach/at91sam9rl.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9rl.h
@@ -116,6 +116,9 @@
 #define ATMEL_BASE_CS4         0x50000000      /* Compact Flash Slot 0 */
 #define ATMEL_BASE_CS5         0x60000000      /* Compact Flash Slot 1 */
 
+/* Timer */
+#define CONFIG_SYS_TIMER_COUNTER       0xfffffd3c
+
 /*
  * Other misc defines
  */

diff --git a/arch/arm/mach-at91/include/mach/at91sam9x5.h b/arch/arm/mach-at91/include/mach/at91sam9x5.h
index 36a5cdf..7e7b531 100644 (file)
--- a/arch/arm/mach-at91/include/mach/at91sam9x5.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9x5.h
@@ -154,6 +154,9 @@
 #define ATMEL_CPU_NAME get_cpu_name()
 #endif
 
+/* Timer */
+#define CONFIG_SYS_TIMER_COUNTER       0xfffffe3c
+
 /*
  * Other misc defines
  */