From a7f39e7c222e0266a1ea7495adb7ed39076960a7 Mon Sep 17 00:00:00 2001
From: Matthias Weisser <weisserm@arcor.de>
Date: Wed, 6 Jul 2011 00:28:28 +0000
Subject: [PATCH] imx: Add get_tbclk() function for imx25
Need this function for autoboot keyd
Signed-off-by: Matthias Weisser <weisserm@arcor.de>
---
arch/arm/cpu/arm926ejs/mx25/timer.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/cpu/arm926ejs/mx25/timer.c b/arch/arm/cpu/arm926ejs/mx25/timer.c
index 14f0c2dc73..7c8a71b9d3 100644
--- a/arch/arm/cpu/arm926ejs/mx25/timer.c
+++ b/arch/arm/cpu/arm926ejs/mx25/timer.c
@@ -187,3 +187,15 @@ void __udelay (unsigned long usec)
while (get_ticks() < tmp) /* loop till event */
/*NOP*/;
}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ ulong tbclk;
+
+ tbclk = CONFIG_MX25_CLK32;
+ return tbclk;
+}
--
2.39.5