[U-Boot] [PATCH 1/1] ipu common: reset ipuv3 correctly

Anatolij Gustschin agust at denx.de
Sat Oct 20 01:58:12 CEST 2012


Hi,
On Sat, 6 Oct 2012 22:16:04 +0800
Liu Ying <Ying.liu at freescale.com> wrote:

> From: Liu Ying <Ying.Liu at freescale.com>
> 
> This patch checks self-clear sw_ipu_rst bit in
> SCR register of SRC controller to be cleared
> after setting it to high to reset IPUv3. This
> makes sure that IPUv3 finishes sofware reset.
> A timeout mechanism is added to stop polling
> on the bit status in case the bit could not be
> cleared by the hardware automatically within
> 10 millisecond.
> 
> Signed-off-by: Liu Ying <Ying.Liu at freescale.com>
> ---
>  drivers/video/ipu_common.c |   10 ++++++++++
>  1 files changed, 10 insertions(+), 0 deletions(-)

applied, thanks!

Anatolij


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