* [U-Boot] [PATCH] arm: trats: Turn power down for core 1
@ 2012-10-09 6:45 Piotr Wilczek
2012-10-09 6:45 ` [U-Boot] [PATCH] arm: trats: Power down " Piotr Wilczek
0 siblings, 1 reply; 5+ messages in thread
From: Piotr Wilczek @ 2012-10-09 6:45 UTC (permalink / raw)
To: u-boot
This patch turns power down for unused core 1 on Samsung Trats board.
Piotr Wilczek (1):
arm: trats: Power down core 1
board/samsung/trats/trats.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
--
1.7.5.4
^ permalink raw reply [flat|nested] 5+ messages in thread
* [U-Boot] [PATCH] arm: trats: Power down core 1
2012-10-09 6:45 [U-Boot] [PATCH] arm: trats: Turn power down for core 1 Piotr Wilczek
@ 2012-10-09 6:45 ` Piotr Wilczek
2012-10-09 17:06 ` Albert ARIBAUD
2012-10-10 9:56 ` Minkyu Kang
0 siblings, 2 replies; 5+ messages in thread
From: Piotr Wilczek @ 2012-10-09 6:45 UTC (permalink / raw)
To: u-boot
This patch turns power down for unused core 1
Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Minkyu Kang <mk7.kang@samsung.com>
---
board/samsung/trats/trats.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c
index 57400ce..d5c681c 100644
--- a/board/samsung/trats/trats.c
+++ b/board/samsung/trats/trats.c
@@ -321,6 +321,10 @@ static void board_power_init(void)
writel(0, (unsigned int)&pwr->lcd1_configuration);
writel(0, (unsigned int)&pwr->gps_configuration);
writel(0, (unsigned int)&pwr->gps_alive_configuration);
+
+ /* It is necessary to power down core 1 */
+ /* to successfully boot CPU1 in kernel */
+ writel(0, (unsigned int)&pwr->arm_core1_configuration);
}
static void board_uart_init(void)
--
1.7.5.4
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [U-Boot] [PATCH] arm: trats: Power down core 1
2012-10-09 6:45 ` [U-Boot] [PATCH] arm: trats: Power down " Piotr Wilczek
@ 2012-10-09 17:06 ` Albert ARIBAUD
2012-10-10 1:30 ` Kyungmin Park
2012-10-10 9:56 ` Minkyu Kang
1 sibling, 1 reply; 5+ messages in thread
From: Albert ARIBAUD @ 2012-10-09 17:06 UTC (permalink / raw)
To: u-boot
Hi Piotr,
On Tue, 09 Oct 2012 08:45:42 +0200, Piotr Wilczek
<p.wilczek@samsung.com> wrote:
> This patch turns power down for unused core 1
>
> Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> CC: Minkyu Kang <mk7.kang@samsung.com>
> ---
> board/samsung/trats/trats.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c
> index 57400ce..d5c681c 100644
> --- a/board/samsung/trats/trats.c
> +++ b/board/samsung/trats/trats.c
> @@ -321,6 +321,10 @@ static void board_power_init(void)
> writel(0, (unsigned int)&pwr->lcd1_configuration);
> writel(0, (unsigned int)&pwr->gps_configuration);
> writel(0, (unsigned int)&pwr->gps_alive_configuration);
> +
> + /* It is necessary to power down core 1 */
> + /* to successfully boot CPU1 in kernel */
> + writel(0, (unsigned int)&pwr->arm_core1_configuration);
> }
>
> static void board_uart_init(void)
Cc:ing trats maintainer.
Amicalement,
--
Albert.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [U-Boot] [PATCH] arm: trats: Power down core 1
2012-10-09 17:06 ` Albert ARIBAUD
@ 2012-10-10 1:30 ` Kyungmin Park
0 siblings, 0 replies; 5+ messages in thread
From: Kyungmin Park @ 2012-10-10 1:30 UTC (permalink / raw)
To: u-boot
FYI: Piotr and Lukasz are working together for samsung board.
Minkyu, can you pick up this patch?
Thank you,
Kyungmin Park
> -----Original Message-----
> From: Albert ARIBAUD [mailto:albert.u.boot at aribaud.net]
> Sent: Wednesday, October 10, 2012 2:07 AM
> To: Piotr Wilczek
> Cc: u-boot at lists.denx.de; Kyungmin Park; Lukasz Majewski
> Subject: Re: [U-Boot] [PATCH] arm: trats: Power down core 1
>
> Hi Piotr,
>
> On Tue, 09 Oct 2012 08:45:42 +0200, Piotr Wilczek <p.wilczek@samsung.com>
> wrote:
>
> > This patch turns power down for unused core 1
> >
> > Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
> > Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> > CC: Minkyu Kang <mk7.kang@samsung.com>
> > ---
> > board/samsung/trats/trats.c | 4 ++++
> > 1 files changed, 4 insertions(+), 0 deletions(-)
> >
> > diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c
> > index 57400ce..d5c681c 100644
> > --- a/board/samsung/trats/trats.c
> > +++ b/board/samsung/trats/trats.c
> > @@ -321,6 +321,10 @@ static void board_power_init(void)
> > writel(0, (unsigned int)&pwr->lcd1_configuration);
> > writel(0, (unsigned int)&pwr->gps_configuration);
> > writel(0, (unsigned int)&pwr->gps_alive_configuration);
> > +
> > + /* It is necessary to power down core 1 */
> > + /* to successfully boot CPU1 in kernel */
> > + writel(0, (unsigned int)&pwr->arm_core1_configuration);
> > }
> >
> > static void board_uart_init(void)
>
> Cc:ing trats maintainer.
>
> Amicalement,
> --
> Albert.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [U-Boot] [PATCH] arm: trats: Power down core 1
2012-10-09 6:45 ` [U-Boot] [PATCH] arm: trats: Power down " Piotr Wilczek
2012-10-09 17:06 ` Albert ARIBAUD
@ 2012-10-10 9:56 ` Minkyu Kang
1 sibling, 0 replies; 5+ messages in thread
From: Minkyu Kang @ 2012-10-10 9:56 UTC (permalink / raw)
To: u-boot
Dear Piotr Wilczek,
On 9 October 2012 15:45, Piotr Wilczek <p.wilczek@samsung.com> wrote:
> This patch turns power down for unused core 1
>
> Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> CC: Minkyu Kang <mk7.kang@samsung.com>
> ---
> board/samsung/trats/trats.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
applied to u-boot-samsung.
Thanks.
Minkyu Kang.
--
from. prom.
www.promsoft.net
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2012-10-10 9:56 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-10-09 6:45 [U-Boot] [PATCH] arm: trats: Turn power down for core 1 Piotr Wilczek
2012-10-09 6:45 ` [U-Boot] [PATCH] arm: trats: Power down " Piotr Wilczek
2012-10-09 17:06 ` Albert ARIBAUD
2012-10-10 1:30 ` Kyungmin Park
2012-10-10 9:56 ` Minkyu Kang
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