* [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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