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| author | Alex Hornung <alex@alexhornung.com> | 2012-02-20 07:34:48 +0000 |
|---|---|---|
| committer | Thomas Chou <thomas@wytron.com.tw> | 2012-02-23 08:31:20 +0800 |
| commit | 7bd7b31574518bf9c7b3c83ef2831e27abb6b14e (patch) | |
| tree | 412f701fab94ca7e8a258496cd1eb77c502c4e6e /arch/nios2 | |
| parent | 8875833a86e567c0ca4258353116294089d24625 (diff) | |
| download | u-boot-imx-7bd7b31574518bf9c7b3c83ef2831e27abb6b14e.zip u-boot-imx-7bd7b31574518bf9c7b3c83ef2831e27abb6b14e.tar.gz u-boot-imx-7bd7b31574518bf9c7b3c83ef2831e27abb6b14e.tar.bz2 | |
nios2: implement get_ticks and get_tbclk
* Copy over Blackfin's get_ticks and get_tbclk - they work just fine on
Nios2.
Signed-off-by: Alex Hornung <alex@alexhornung.com>
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Diffstat (limited to 'arch/nios2')
| -rw-r--r-- | arch/nios2/cpu/interrupts.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/nios2/cpu/interrupts.c b/arch/nios2/cpu/interrupts.c index 0a97fa6..2ce689f 100644 --- a/arch/nios2/cpu/interrupts.c +++ b/arch/nios2/cpu/interrupts.c @@ -98,6 +98,27 @@ ulong get_timer (ulong base) return (timestamp - base); } +/* + * This function is derived from Blackfin code (read timebase as long long). + * On Nios2 it just returns the timer value. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * This function is derived from Blackfin code. + * On Nios2 it returns the number of timer ticks per second. + */ +ulong get_tbclk(void) +{ + ulong tbclk; + + tbclk = CONFIG_SYS_HZ; + return tbclk; +} + /* The board must handle this interrupt if a timer is not * provided. */ |