[PATCH] cmd: mem: Remove CONFIG_SYS_MEMTEST_SCRATCH mapping
Heiko Schocher
hs at denx.de
Thu May 7 11:48:20 CEST 2020
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 at 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
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