From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 01/13] mxs: Reset the EMI block on mx23
Date: Sat, 23 Feb 2013 19:48:04 +0100 [thread overview]
Message-ID: <201302231948.04713.marex@denx.de> (raw)
In-Reply-To: <CAP9ODKrW3ejhx73oUSD+W_n9pXEVJ1RDLw71tqLna_SiUSyXSg@mail.gmail.com>
Dear Otavio Salvador,
> On Sat, Feb 23, 2013 at 2:41 PM, Marek Vasut <marex@denx.de> wrote:
> > Dear Otavio Salvador,
> >
> >> On Sat, Feb 23, 2013 at 9:42 AM, Marek Vasut <marex@denx.de> wrote:
> >> > The real reason for memory instability was the fact that the EMI block
> >> > was gated and not reset throughout the boards' operation. This patch
> >> > resets the EMI block properly while also reverts the memory voltage
> >> > bump. The memory stability issues were caused by the EMI not being
> >> > reset properly and thus there is no longer need to run the memory at
> >> > higher voltage than it ought to run at.
> >> >
> >> > This partly reverts 8303ed128a55519f19c5f11087032d4bc4e0537a .
> >> >
> >> > Signed-off-by: Marek Vasut <marex@denx.de>
> >>
> >> What the changes from v1? Last time I tested it, it broke mx23evk as
> >> it made it fail in mtest.
> >
> > The MX23EVK reboots unconditionally when I attempt mtest with or without
> > this patch.
>
> Here it works fine.
>
> > And there's no previous version, this patch is V1. The stuff sent before
> > shall be ignored.
>
> So does it change something from initial post?
I do not know, that's why this is V1.
Best regards,
Marek Vasut
next prev parent reply other threads:[~2013-02-23 18:48 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-23 12:42 [U-Boot] [PATCH 01/13] mxs: Reset the EMI block on mx23 Marek Vasut
2013-02-23 12:42 ` [U-Boot] [PATCH 02/13] mxs: mmc: spi: dma: Better wrap the MXS differences Marek Vasut
2013-02-23 12:42 ` [U-Boot] [PATCH 03/13] mxs: spi: Fix the MXS SPI for mx23 Marek Vasut
2013-02-23 15:28 ` Otavio Salvador
2013-02-23 17:41 ` Marek Vasut
2013-02-23 12:43 ` [U-Boot] [PATCH 04/13] mxs: spi: Remove CONFIG_MXS_SPI_DMA_ENABLE Marek Vasut
2013-02-23 14:11 ` Fabio Estevam
2013-02-23 17:25 ` Marek Vasut
2013-02-23 12:43 ` [U-Boot] [PATCH 05/13] mxs: Squash the header file usage in ehci-mxs Marek Vasut
2013-02-23 15:32 ` Otavio Salvador
2013-02-23 12:43 ` [U-Boot] [PATCH 06/13] mxs: Make ehci-mxs multiport capable Marek Vasut
2013-02-23 15:31 ` Otavio Salvador
2013-02-23 12:43 ` [U-Boot] [PATCH 07/13] mxs: m28: Enable power to USB port 0 Marek Vasut
2013-02-23 12:43 ` [U-Boot] [PATCH 08/13] mxs: Rename CONFIG_SPL_MX28_PSWITCH_WAIT to CONFIG_SPL_MXS_PSWITCH_WAIT Marek Vasut
2013-02-23 12:43 ` [U-Boot] [PATCH 09/13] mx23: Document the tRAS lockout setting in memory initialization Marek Vasut
2013-02-23 12:43 ` [U-Boot] [PATCH 10/13] mx23evk: Adjust DRAM control register to use full 128MB of RAM Marek Vasut
2013-02-23 12:43 ` [U-Boot] [PATCH 11/13] led: Use STATUS_LED_ON and STATUS_LED_OFF when calling __led_set Marek Vasut
2013-02-23 12:43 ` [U-Boot] [PATCH 12/13] mxs: Fix iomux.h to not break build during assembly stage Marek Vasut
2013-02-23 12:43 ` [U-Boot] [PATCH 13/13] mx23_olinuxino: Add support for status LED Marek Vasut
2013-02-23 15:27 ` [U-Boot] [PATCH 01/13] mxs: Reset the EMI block on mx23 Otavio Salvador
2013-02-23 17:41 ` Marek Vasut
2013-02-23 17:54 ` Otavio Salvador
2013-02-23 18:48 ` Marek Vasut [this message]
2013-02-23 17:55 ` Marek Vasut
2013-03-07 16:56 ` Stefano Babic
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