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| author | Matthias Weisser <weisserm@arcor.de> | 2011-07-06 00:28:28 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-07-14 15:41:24 +0200 |
| commit | a7f39e7c222e0266a1ea7495adb7ed39076960a7 (patch) | |
| tree | 8cf7f24503c475b7188b1040e042320109284ae3 /arch/arm/cpu | |
| parent | 81d668ea9025adbdc6ecc233ddcefbd6fe594113 (diff) | |
| download | u-boot-imx-a7f39e7c222e0266a1ea7495adb7ed39076960a7.zip u-boot-imx-a7f39e7c222e0266a1ea7495adb7ed39076960a7.tar.gz u-boot-imx-a7f39e7c222e0266a1ea7495adb7ed39076960a7.tar.bz2 | |
imx: Add get_tbclk() function for imx25
Need this function for autoboot keyd
Signed-off-by: Matthias Weisser <weisserm@arcor.de>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mx25/timer.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/mx25/timer.c b/arch/arm/cpu/arm926ejs/mx25/timer.c index 14f0c2d..7c8a71b 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; +} |