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| author | Bin Meng <bmeng.cn@gmail.com> | 2015-11-24 13:31:17 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-12-01 06:23:51 -0700 |
| commit | 9ca07ebbac3c94974db75e25004203289d9013bc (patch) | |
| tree | 71505c28b02624db37f3edacd631af87ea08feef /drivers/timer/altera_timer.c | |
| parent | f838f124522ea4fb5202c1b584b4706aa48ee144 (diff) | |
| download | u-boot-imx-9ca07ebbac3c94974db75e25004203289d9013bc.zip u-boot-imx-9ca07ebbac3c94974db75e25004203289d9013bc.tar.gz u-boot-imx-9ca07ebbac3c94974db75e25004203289d9013bc.tar.bz2 | |
dm: timer: Support 64-bit counter
There are timers with a 64-bit counter value but current timer
uclass driver assumes a 32-bit one. Modify timer_get_count()
to ask timer driver to always return a 64-bit counter value,
and provide an inline helper function timer_conv_64() to handle
the 32-bit/64-bit conversion automatically.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/timer/altera_timer.c')
| -rw-r--r-- | drivers/timer/altera_timer.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/timer/altera_timer.c b/drivers/timer/altera_timer.c index 2364f1b..89fe05b 100644 --- a/drivers/timer/altera_timer.c +++ b/drivers/timer/altera_timer.c @@ -34,7 +34,7 @@ struct altera_timer_platdata { struct altera_timer_regs *regs; }; -static int altera_timer_get_count(struct udevice *dev, unsigned long *count) +static int altera_timer_get_count(struct udevice *dev, u64 *count) { struct altera_timer_platdata *plat = dev->platdata; struct altera_timer_regs *const regs = plat->regs; @@ -46,7 +46,7 @@ static int altera_timer_get_count(struct udevice *dev, unsigned long *count) /* Read timer value */ val = readl(®s->snapl) & 0xffff; val |= (readl(®s->snaph) & 0xffff) << 16; - *count = ~val; + *count = timer_conv_64(~val); return 0; } |