[U-Boot] [PATCH] arm: trats: Turn power down for core 1
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(-)
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)
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,
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@aribaud.net] Sent: Wednesday, October 10, 2012 2:07 AM To: Piotr Wilczek Cc: u-boot@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.
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.
participants (4)
-
Albert ARIBAUD -
Kyungmin Park -
Minkyu Kang -
Piotr Wilczek