> -----Original Message----- > From: York Sun [mailto:[email protected]] > Sent: Thursday, April 27, 2017 10:18 PM > To: Suresh Gupta <[email protected]>; Jagan Teki > <[email protected]> > Cc: [email protected]; Jagan Teki <[email protected]>; Yao Yuan > <[email protected]> > Subject: Re: [U-Boot] [PATCH] sf: Fix s25fs512s erase size and remove SECT_4K > flag > > On 04/26/2017 10:17 PM, Suresh Gupta wrote: > > > > > > <snip> > > >>> > >> Suresh, > >> > >> Did you test your patch after removing CONFIG_SPI_FLASH_BAR? Why > >> doesn't this flash support BAR commands? How did it work before broken? > >> > > > > York, the flash s25fs512s support 32 bit address to handle >16M memory > access. > > With and without CONFIG_SPI_FLASH_BAR the u-boot only access up to 16M > > of flash memory for this particular flash which is installed on our boards > (LS1012ARDB, LS1046ARDB, LS1088ARDB, LS2088ARDB). > > So, anyhow we need to remove this CONFIG_SPI_FLASH_BAR from our boards > configs. > > > > For accessing >16M of flash memory (to support 32 bit address) I > > already start discussion [2] with Jagan. Hopefully We have a solution for > > that > in near future. > > [2] https://patchwork.ozlabs.org/patch/676152/ > > > > How did it (>16MB) work before? > > York
According to me for this s25fs512s particular flash, >16M should not work in open source code. If you have any commit id where it works, let me know. I will try at my end and update you _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
