From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [U-Boot, 09/10] arm: am437x: cm-t43: set MPU and CORE voltages on boot
Date: Thu, 25 Feb 2016 10:25:49 -0500 [thread overview]
Message-ID: <20160225152549.GX23166@bill-the-cat> (raw)
In-Reply-To: <1455902390-5387-10-git-send-email-nikita@compulab.co.il>
On Fri, Feb 19, 2016 at 07:19:49PM +0200, Nikita Kiryanov wrote:
> During boot, U-Boot raises the CPU frequency but the CORE and MPU regulators
> are not updated. This is not a problem in cold boot since the default values
> that the pmic outputs are correct, but if Linux were to switch the module to a
> low power OPP, the new voltage values will be retained after a reboot and the
> module will likely hang once U-Boot raises the CPU frequency back up.
>
> Set both CORE and MPU regulators to to 1.1V on boot.
>
> Cc: Tom Rini <trini@konsulko.com>
> Cc: Albert Aribaud <albert.u.boot@aribaud.net>
> Cc: Igor Grinberg <grinberg@compulab.co.il>
> Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
> Reviewed-by: Tom Rini <trini@konsulko.com>
Applied to u-boot/master, thanks!
--
Tom
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next prev parent reply other threads:[~2016-02-25 15:25 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-19 17:19 [U-Boot] [PATCH 00/10] cm-t43 maintenance Nikita Kiryanov
2016-02-19 17:19 ` [U-Boot] [PATCH 01/10] arm: am437x: cm-t43: fix cm-t43 boot Nikita Kiryanov
2016-02-20 0:55 ` Tom Rini
2016-02-25 15:25 ` [U-Boot] [U-Boot,01/10] " Tom Rini
2016-02-19 17:19 ` [U-Boot] [PATCH 02/10] arm: am437x: cm-t43: migrate CONFIG_DM_SERIAL to config file Nikita Kiryanov
2016-02-20 0:55 ` Tom Rini
2016-02-25 15:25 ` [U-Boot] [U-Boot, " Tom Rini
2016-02-19 17:19 ` [U-Boot] [PATCH 03/10] arm: am437x: cm-t43: support all available SPI flash chips Nikita Kiryanov
2016-02-20 0:55 ` Tom Rini
2016-02-25 15:25 ` [U-Boot] [U-Boot, " Tom Rini
2016-02-19 17:19 ` [U-Boot] [PATCH 04/10] arm: am437x: cm-t43: define prompt Nikita Kiryanov
2016-02-20 0:55 ` Tom Rini
2016-02-25 15:25 ` [U-Boot] [U-Boot,04/10] " Tom Rini
2016-02-19 17:19 ` [U-Boot] [PATCH 05/10] arm: am437x: cm-t43: split board file Nikita Kiryanov
2016-02-20 0:56 ` Tom Rini
2016-02-25 15:25 ` [U-Boot] [U-Boot,05/10] " Tom Rini
2016-02-19 17:19 ` [U-Boot] [PATCH 06/10] pmic: tps65218: add useful functions and defines Nikita Kiryanov
2016-02-20 0:56 ` Tom Rini
2016-02-25 15:25 ` [U-Boot] [U-Boot, " Tom Rini
2016-02-19 17:19 ` [U-Boot] [PATCH 07/10] arm: am437x: cm-t43: set tps fseal bit Nikita Kiryanov
2016-02-20 0:56 ` Tom Rini
2016-02-25 15:25 ` [U-Boot] [U-Boot,07/10] " Tom Rini
2016-02-19 17:19 ` [U-Boot] [PATCH 08/10] arm: am437x: cm-t43: get rid of enable_vtt_regulator() Nikita Kiryanov
2016-02-20 0:55 ` Tom Rini
2016-02-25 15:25 ` [U-Boot] [U-Boot, " Tom Rini
2016-02-19 17:19 ` [U-Boot] [PATCH 09/10] arm: am437x: cm-t43: set MPU and CORE voltages on boot Nikita Kiryanov
2016-02-20 0:56 ` Tom Rini
2016-02-25 15:25 ` Tom Rini [this message]
2016-02-19 17:19 ` [U-Boot] [PATCH 10/10] arm: am437x: cm-t43: update parameters for raw mmc boot Nikita Kiryanov
2016-02-20 0:55 ` Tom Rini
2016-02-25 15:26 ` [U-Boot] [U-Boot, " Tom Rini
2016-02-21 11:59 ` [U-Boot] [PATCH] arm: am437x: cm-t43: bring back BOOTDELAY feature Nikita Kiryanov
2016-02-21 12:54 ` Tom Rini
2016-02-25 15:26 ` [U-Boot] " Tom Rini
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