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From: Heiko Schocher <hs@denx.de>
To: u-boot@lists.denx.de
Subject: [PATCH] cmd: mem: Remove CONFIG_SYS_MEMTEST_SCRATCH mapping
Date: Thu, 7 May 2020 11:48:20 +0200	[thread overview]
Message-ID: <7536840e-feb2-07d1-0a48-e7d8771f4e3e@denx.de> (raw)
In-Reply-To: <637580f3-0042-ded2-173b-c9bddd92c588@xilinx.com>

Hello Michal,

Am 07.05.2020 um 08:39 schrieb Michal Simek:
> On 07. 05. 20 5:33, Heiko Schocher wrote:
>> Hello Michal,
>>
>> Am 04.05.2020 um 13:54 schrieb Michal Simek:
>>> There is no real need to exactly define space for saving patterns for
>>> alternate memory test. It is much easier to allocate space on the
>>> stack and
>>> use it instead of trying to find out space where pattern should be saved.
>>>
>>> For example if you want to test the whole DDR memory you can't save
>>> patter
>>> to DDR and you need to find it out. On Xilinx devices DDR or OCM
>>> addresses
>>> were chosen but that means that OCM needs to be mapped and U-Boot has
>>> access permission there.
>>>
>>> It is easier to remove this limitation and simply save it on stack
>>> because
>>> it is very clear that memory test can't rewrite U-Boot and U-Boot has
>>> also
>>> full access to memory where runs from.
>>>
>>> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
>>> ---
>>>
>>>  ? README?????????????????????????????? | 4 ----
>>>  ? cmd/mem.c??????????????????????????? | 9 ++-------
>>>  ? include/configs/MigoR.h????????????? | 1 -
>>>  ? include/configs/advantech_dms-ba16.h | 1 -
>>>  ? include/configs/apalis_imx6.h??????? | 1 -
>>>  ? include/configs/aristainetos2.h????? | 1 -
>>>  ? include/configs/armadillo-800eva.h?? | 1 -
>>>  ? include/configs/blanche.h??????????? | 1 -
>>>  ? include/configs/cgtqmx6eval.h??????? | 1 -
>>>  ? include/configs/colibri_imx6.h?????? | 1 -
>>>  ? include/configs/dh_imx6.h??????????? | 1 -
>>>  ? include/configs/el6x_common.h??????? | 1 -
>>>  ? include/configs/embestmx6boards.h??? | 1 -
>>>  ? include/configs/ge_bx50v3.h????????? | 1 -
>>>  ? include/configs/gw_ventana.h???????? | 1 -
>>>  ? include/configs/imx6_logic.h???????? | 1 -
>>>  ? include/configs/kzm9g.h????????????? | 1 -
>>>  ? include/configs/mx6sabre_common.h??? | 1 -
>>>  ? include/configs/nitrogen6x.h???????? | 1 -
>>>  ? include/configs/presidio_asic.h????? | 1 -
>>>  ? include/configs/sh7752evb.h????????? | 1 -
>>>  ? include/configs/sh7753evb.h????????? | 1 -
>>>  ? include/configs/sh7757lcr.h????????? | 1 -
>>>  ? include/configs/stm32mp1.h?????????? | 1 -
>>>  ? include/configs/tao3530.h??????????? | 1 -
>>>  ? include/configs/tricorder.h????????? | 1 -
>>>  ? include/configs/xilinx_versal.h????? | 1 -
>>>  ? include/configs/xilinx_versal_mini.h | 1 -
>>>  ? include/configs/xilinx_zynqmp.h????? | 4 ----
>>>  ? include/configs/xilinx_zynqmp_mini.h | 1 -
>>>  ? include/configs/xilinx_zynqmp_r5.h?? | 1 -
>>>  ? scripts/config_whitelist.txt???????? | 1 -
>>>  ? 32 files changed, 2 insertions(+), 44 deletions(-)
>>
>> Hmm.. I think this is from old powerpc times, but I do not see a
>> powerpc board in the list, so this makes sense.
> 
> And was there any reason to setup specific address on PPC for saving
> test pattern?

Not that I am aware of anymore...

bye,
Heiko
-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-52   Fax: +49-8142-66989-80   Email: hs at denx.de

  reply	other threads:[~2020-05-07  9:48 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-04 11:54 [PATCH] cmd: mem: Remove CONFIG_SYS_MEMTEST_SCRATCH mapping Michal Simek
2020-05-04 14:17 ` Simon Glass
2020-05-04 14:59 ` Stefan Roese
2020-05-07  3:33 ` Heiko Schocher
2020-05-07  6:39   ` Michal Simek
2020-05-07  9:48     ` Heiko Schocher [this message]
2020-05-08 17:49 ` Tom Rini
     [not found]   ` <4626EF5E-7ED1-4DA6-B265-75C3E7C5A97D@cortina-access.com>
2020-05-22  2:35     ` Cortina Package 2 driver split up Simon Glass

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