On 30 June 2014 16:37, Jagan Teki <jagannadh.t...@gmail.com> wrote: > On Mon, Jun 30, 2014 at 4:32 PM, Heshsham Abdul Basit > <hf.ba...@gmail.com> wrote: > > > > > > > > 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! > > Yes - you can please post your query to g...@xilinx.com as it's Xilinx > git specific. >
Ok, I will post it now in g...@xilinx.com Many thanks for your suggestions. > > > > > >> > >> > > >> > 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. > > > > > > > > -- > Jagan. >
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