From: Albert ARIBAUD <albert.u.boot@aribaud.net>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] arm: trats: Power down core 1
Date: Tue, 9 Oct 2012 19:06:45 +0200 [thread overview]
Message-ID: <20121009190645.66006c24@lilith> (raw)
In-Reply-To: <1349765142-27872-2-git-send-email-p.wilczek@samsung.com>
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.
next prev parent reply other threads:[~2012-10-09 17:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
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 [this message]
2012-10-10 1:30 ` Kyungmin Park
2012-10-10 9:56 ` Minkyu Kang
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