On 30 June 2014 16:30, Jagan Teki <jagannadh.t...@gmail.com> wrote: > On Mon, Jun 30, 2014 at 4:18 PM, Heshsham Abdul Basit > <hf.ba...@gmail.com> wrote: > > Thanks for your comments Thomas and Jagan! > > > > > > On 30 June 2014 15:58, Jagan Teki <jagannadh.t...@gmail.com> wrote: > >> > >> I guess - your using Xilinx github u-boot-xlnx > >> > > > > Yes > > > >> > >> The reason for two prints is like, for > >> 1) Initial probe print, by default done in env calls > >> 2) Added in sf probe again on auto-boot commands [1] > >> > >> [1] > >> > https://github.com/Xilinx/u-boot-xlnx/blob/master/include/configs/zynq-common.h > >> > > > > Ok. I will study it. > > > > > > BTW is it technically possible to completely get rid of the second > probing > > which I boot from flash? > > Do you have any issue with the second print, it's probing once aging > before reading? > > The only problem is , it is taking significant time for my application. I though if I remove this second probing I could save some time!
> > > > Thanks > > > >> > >> On Sat, Jun 28, 2014 at 10:51 PM, Heshsham Abdul Basit > >> <hf.ba...@gmail.com> wrote: > >> > Hi, > >> > > >> > I am re-sending this email because earlier I forgot to put the subject > >> > line > >> > properly. I am struggling to figure out few things in u-boot , but I > >> > failed > >> > to get a good resource or help. > >> > > >> > This is a section of the log from u-boot running on Avnet Microzed > >> > board: > >> > > >> > > >> > [Thu Jun 26 17:40:53.656 2014] > >> > > >> > [Thu Jun 26 17:40:53.656 2014] > >> > > >> > [Thu Jun 26 17:40:53.656 2014] U-Boot 2013.07 (Jun 26 2014 - 17:34:41) > >> > > >> > [Thu Jun 26 17:40:53.656 2014] > >> > > >> > [Thu Jun 26 17:40:53.656 2014] 1 GiB > >> > > >> > [Thu Jun 26 17:40:53.671 2014] SF: Detected > >> > S25FL129P_64K/S25FL128S_64K with page size 64 KiB, total 16 MiB > >> > > >> > [Thu Jun 26 17:40:53.703 2014] *** Warning - bad CRC, using default > >> > environment > >> > > >> > [Thu Jun 26 17:40:53.703 2014] > >> > > >> > [Thu Jun 26 17:40:53.703 2014] In: serial > >> > > >> > [Thu Jun 26 17:40:53.703 2014] Out: serial > >> > > >> > [Thu Jun 26 17:40:53.703 2014] Err: serial > >> > > >> > [Thu Jun 26 17:40:53.703 2014] U-BOOT for suheb_24 > >> > > >> > [Thu Jun 26 17:40:53.703 2014] > >> > > >> > [Thu Jun 26 17:40:53.703 2014] > >> > > >> > [Thu Jun 26 17:40:53.703 2014] SF: Detected > >> > S25FL129P_64K/S25FL128S_64K with page size 64 KiB, total 16 MiB > >> > > >> > [Thu Jun 26 17:40:54.453 2014] SF: 5242880 bytes @ 0x520000 Read: OK > >> > > >> > [Thu Jun 26 17:40:54.453 2014] Description: PetaLinux Kernel > >> > > >> > [Thu Jun 26 17:40:54.453 2014] 0x010000f0 > >> > > >> > [Thu Jun 26 17:40:54.453 2014] 4620145 Bytes = 4.4 MiB > >> > > >> > [Thu Jun 26 17:40:54.453 2014] Description: Flattened Device > Tree > >> > blob > >> > > >> > [Thu Jun 26 17:40:54.453 2014] 0x01468114 > >> > > >> > [Thu Jun 26 17:40:54.453 2014] 9766 Bytes = 9.5 KiB > >> > > >> > [Thu Jun 26 17:40:54.453 2014] Hash algo: crc32 > >> > > >> > [Thu Jun 26 17:40:54.453 2014] Hash value: 9a94aca8 > >> > > >> > [Thu Jun 26 17:40:54.453 2014] Hash algo: sha1 > >> > > >> > [Thu Jun 26 17:40:54.453 2014] Hash value: > >> > 97b81e3014decb706ff19e61e1227dace97d4232 > >> > > >> > [Thu Jun 26 17:40:54.453 2014] crc32+ sha1+ Uncompressing Kernel > Image > >> > ... > >> > OK > >> > > >> > . > >> > .I noticed that the following lines are coming twice: > >> > > >> > SF: Detected S25FL129P_64K/S25FL128S_64K with page size 64 KiB, total > 16 > >> > MiB > >> > > >> > This corresponds to the function spi_flash_probe from > >> > drivers/mtd/spi/spi_flash.c > >> > > >> > > >> > I need to know: > >> > > >> > 1- Why it is probed twice? > >> > 2- The name and location of the file from where it is called (twice). > >> > 3- The second time it is being probed is considerably slow, why it is > >> > so? > >> > > >> > > >> > I have searched many forums and have looked in the code but still I am > >> > not > >> > able to figure out these things. > >> > > >> > > >> > > >> > Thanks and regards, > >> > > >> > Abdul Basit > >> > > >> > _______________________________________________ > >> > U-Boot mailing list > >> > U-Boot@lists.denx.de > >> > http://lists.denx.de/mailman/listinfo/u-boot > >> > > >> > >> thanks! > >> -- > >> Jagan. > > > > > > > > -- > Jagan. >
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