On 26/04/2013 18:01, Fabio Estevam wrote:
From: Fabio Estevam fabio.este...@freescale.com
commit 5c2f444c9 (mxs: Reset the EMI block on mx23) changed the DDR voltage
level, which causes mx23evk to fail to load a kernel.
Put back the original values, so that mx23evk can boot a kernel
Dear Fabio Estevam,
From: Fabio Estevam fabio.este...@freescale.com
commit 5c2f444c9 (mxs: Reset the EMI block on mx23) changed the DDR voltage
level, which causes mx23evk to fail to load a kernel.
Put back the original values, so that mx23evk can boot a kernel again.
Signed-off-by:
Dear Fabio Estevam,
From: Fabio Estevam fabio.este...@freescale.com
commit 5c2f444c9 (mxs: Reset the EMI block on mx23) changed the DDR
voltage level, which causes mx23evk to fail to load a kernel.
Put back the original values, so that mx23evk can boot a kernel again.
On 27/04/2013 01:33, Marek Vasut wrote:
Dear Otavio Salvador,
Hi Fabio, Otavio, Marek,
On Fri, Apr 26, 2013 at 5:58 PM, Marek Vasut ma...@denx.de wrote:
Dear Otavio Salvador,
On Fri, Apr 26, 2013 at 5:08 PM, Fabio Estevam feste...@gmail.com wrote:
On Fri, Apr 26, 2013 at 3:16 PM, Marek
Dear Stefano Babic,
On 27/04/2013 01:33, Marek Vasut wrote:
Dear Otavio Salvador,
Hi Fabio, Otavio, Marek,
On Fri, Apr 26, 2013 at 5:58 PM, Marek Vasut ma...@denx.de wrote:
Dear Otavio Salvador,
On Fri, Apr 26, 2013 at 5:08 PM, Fabio Estevam feste...@gmail.com
wrote:
On Fri,
Hi Stefano,
On Sat, Apr 27, 2013 at 8:09 AM, Stefano Babic sba...@denx.de wrote:
I agree that we have not yet found a clear cause of the behavior - but
ler me say that is quite bound to the hardware and how voltage is
applied to the DDR. As the patch reports to allow to boot kernel in most
On Sat, Apr 27, 2013 at 2:28 PM, Fabio Estevam feste...@gmail.com wrote:
Hi Stefano,
On Sat, Apr 27, 2013 at 8:09 AM, Stefano Babic sba...@denx.de wrote:
I agree that we have not yet found a clear cause of the behavior - but
ler me say that is quite bound to the hardware and how voltage is
Dear Otavio Salvador,
On Sat, Apr 27, 2013 at 2:28 PM, Fabio Estevam feste...@gmail.com wrote:
Hi Stefano,
On Sat, Apr 27, 2013 at 8:09 AM, Stefano Babic sba...@denx.de wrote:
I agree that we have not yet found a clear cause of the behavior - but
ler me say that is quite bound to the
From: Fabio Estevam fabio.este...@freescale.com
commit 5c2f444c9 (mxs: Reset the EMI block on mx23) changed the DDR voltage
level, which causes mx23evk to fail to load a kernel.
Put back the original values, so that mx23evk can boot a kernel again.
Signed-off-by: Fabio Estevam
Dear Fabio Estevam,
From: Fabio Estevam fabio.este...@freescale.com
commit 5c2f444c9 (mxs: Reset the EMI block on mx23) changed the DDR voltage
level, which causes mx23evk to fail to load a kernel.
Put back the original values, so that mx23evk can boot a kernel again.
Signed-off-by:
Hi Fabio,
Le Fri, 26 Apr 2013 13:01:26 -0300,
Fabio Estevam feste...@gmail.com a écrit :
From: Fabio Estevam fabio.este...@freescale.com
commit 5c2f444c9 (mxs: Reset the EMI block on mx23) changed the DDR voltage
level, which causes mx23evk to fail to load a kernel.
Put back the
On Fri, Apr 26, 2013 at 1:20 PM, Marek Vasut ma...@denx.de wrote:
Is that _really_ it? Can you please try compiling kernel on the MX23 machine
to
test if the memory is really stable?
With this change I can boot the kernel and mount rootfs 100% of the times.
I don't have an easy way to do
On Fri, Apr 26, 2013 at 1:24 PM, Eric Bénard e...@eukrea.com wrote:
what are the values of these levels (previous one and new one) in mV ?
0x10 == 2.5V
0x12 == 2.6V
46v32m16 says that VDD is : 2.5V +/- 0.2V, so 2.6V is a valid supply voltage.
Not sure why 2.5V fails though.
Regards,
Fabio
On Fri, Apr 26, 2013 at 11:01 AM, Fabio Estevam feste...@gmail.com wrote:
From: Fabio Estevam fabio.este...@freescale.com
commit 5c2f444c9 (mxs: Reset the EMI block on mx23) changed the DDR voltage
level, which causes mx23evk to fail to load a kernel.
Put back the original values, so that
Dear Fabio Estevam,
On Fri, Apr 26, 2013 at 1:24 PM, Eric Bénard e...@eukrea.com wrote:
what are the values of these levels (previous one and new one) in mV ?
0x10 == 2.5V
0x12 == 2.6V
46v32m16
Eh? What's this code above?
says that VDD is : 2.5V +/- 0.2V, so 2.6V is a valid supply
Hi Marek,
Le Fri, 26 Apr 2013 20:16:30 +0200,
Marek Vasut ma...@denx.de a écrit :
On Fri, Apr 26, 2013 at 1:24 PM, Eric Bénard e...@eukrea.com wrote:
what are the values of these levels (previous one and new one) in mV ?
0x10 == 2.5V
0x12 == 2.6V
46v32m16
Eh? What's this code
On Fri, Apr 26, 2013 at 3:16 PM, Marek Vasut ma...@denx.de wrote:
Dear Fabio Estevam,
On Fri, Apr 26, 2013 at 1:24 PM, Eric Bénard e...@eukrea.com wrote:
what are the values of these levels (previous one and new one) in mV ?
0x10 == 2.5V
0x12 == 2.6V
46v32m16
Eh? What's this code
On Fri, Apr 26, 2013 at 5:08 PM, Fabio Estevam feste...@gmail.com wrote:
On Fri, Apr 26, 2013 at 3:16 PM, Marek Vasut ma...@denx.de wrote:
strange at best and I don't like it. I think that's also the source of our
problems, the DRAM suffers undervolt and quickly afterwards is configured for
On Fri, Apr 26, 2013 at 3:16 PM, Marek Vasut ma...@denx.de wrote:
http://s8.postimg.org/dn7jhntut/imx233_olinuxino_maxi_2_5_V_rising.jpg check
this, this is as much as I got from tsvetan so far, it's the VDDMEM ramping. I
dunno what's that weird drop before it starts going from 1V5 to 2V5,
Dear Fabio Estevam,
On Fri, Apr 26, 2013 at 3:16 PM, Marek Vasut ma...@denx.de wrote:
Dear Fabio Estevam,
On Fri, Apr 26, 2013 at 1:24 PM, Eric Bénard e...@eukrea.com wrote:
what are the values of these levels (previous one and new one) in mV ?
0x10 == 2.5V
0x12 == 2.6V
Dear Fabio Estevam,
On Fri, Apr 26, 2013 at 1:20 PM, Marek Vasut ma...@denx.de wrote:
Is that _really_ it? Can you please try compiling kernel on the MX23
machine to test if the memory is really stable?
With this change I can boot the kernel and mount rootfs 100% of the times.
I don't
Dear Otavio Salvador,
On Fri, Apr 26, 2013 at 5:08 PM, Fabio Estevam feste...@gmail.com wrote:
On Fri, Apr 26, 2013 at 3:16 PM, Marek Vasut ma...@denx.de wrote:
strange at best and I don't like it. I think that's also the source of
our problems, the DRAM suffers undervolt and quickly
On Fri, Apr 26, 2013 at 3:21 PM, Marek Vasut ma...@denx.de wrote:
Yes you have, extract ELDK 5.3 for armv5te from ftp://ftp.denx.de/pub/eldk/ on
SD card (use for example rootfs-qte-sdk) and all the tools are readily there.
Just grab kernel source, run make mxs_defconfig ; make -j 2 and wait
Dear Fabio Estevam,
On Fri, Apr 26, 2013 at 3:16 PM, Marek Vasut ma...@denx.de wrote:
http://s8.postimg.org/dn7jhntut/imx233_olinuxino_maxi_2_5_V_rising.jpg
check this, this is as much as I got from tsvetan so far, it's the
VDDMEM ramping. I dunno what's that weird drop before it starts
On Fri, Apr 26, 2013 at 5:56 PM, Marek Vasut ma...@denx.de wrote:
Why 1.5V? The VDDMEM reset value is 1.7V.
Some voltage drop, that's no problem.
Well, 100mV does all the difference on my test.
I'd say try one more thing -- use a different PSU. I suspect the powerblock on
olinuxino is
Dear Fabio Estevam,
On Fri, Apr 26, 2013 at 3:21 PM, Marek Vasut ma...@denx.de wrote:
Yes you have, extract ELDK 5.3 for armv5te from
ftp://ftp.denx.de/pub/eldk/ on SD card (use for example rootfs-qte-sdk)
and all the tools are readily there. Just grab kernel source, run make
Dear Fabio Estevam,
On Fri, Apr 26, 2013 at 5:56 PM, Marek Vasut ma...@denx.de wrote:
Why 1.5V? The VDDMEM reset value is 1.7V.
Some voltage drop, that's no problem.
Well, 100mV does all the difference on my test.
Yes, I get it, I'm just worried we're just putting a plaster on another
On Fri, Apr 26, 2013 at 5:58 PM, Marek Vasut ma...@denx.de wrote:
Dear Otavio Salvador,
On Fri, Apr 26, 2013 at 5:08 PM, Fabio Estevam feste...@gmail.com wrote:
On Fri, Apr 26, 2013 at 3:16 PM, Marek Vasut ma...@denx.de wrote:
strange at best and I don't like it. I think that's also the
Dear Otavio Salvador,
On Fri, Apr 26, 2013 at 5:58 PM, Marek Vasut ma...@denx.de wrote:
Dear Otavio Salvador,
On Fri, Apr 26, 2013 at 5:08 PM, Fabio Estevam feste...@gmail.com wrote:
On Fri, Apr 26, 2013 at 3:16 PM, Marek Vasut ma...@denx.de wrote:
strange at best and I don't like
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