On 11 May 2015 at 14:20, Pavel Machek <pa...@denx.de> wrote: > On Mon 2015-05-11 14:14:32, Jagan Teki wrote: >> On 11 May 2015 at 14:09, Pavel Machek <pa...@denx.de> wrote: >> > On Mon 2015-05-11 14:03:06, Jagan Teki wrote: >> >> On 11 May 2015 at 13:59, Pavel Machek <pa...@denx.de> wrote: >> >> > On Mon 2015-05-11 13:35:04, Jagan Teki wrote: >> >> >> On 11 May 2015 at 13:18, Marek Vasut <ma...@denx.de> wrote: >> >> >> > On Sunday, May 10, 2015 at 07:53:46 PM, Pavel Machek wrote: >> >> >> > >> >> >> > [...] >> >> >> > >> >> >> >> > As per my early comments on this thread, I'm not happy with this >> >> >> >> > approach >> >> >> >> > of being added flash specific in generic code by simply added >> >> >> >> > like this. >> >> >> >> > >> >> >> >> > I encounter similar issue before and I simply reverted [1] >> >> >> >> > http://git.denx.de/?p=u-boot.git;a=commit;h=122d805fd4bd478bb83536348291d >> >> >> >> > 34ae648364b >> >> >> >> > >> >> >> >> > Please think in a different perceptive like adding any flags to >> >> >> >> > specific >> >> >> >> > vendor with specific part, but that also require proper tested. >> >> >> >> >> >> >> >> Ok, could you explain how you'd like to have it solved? Should we >> >> >> >> just >> >> >> >> call spi_flash_cmd() from socfpga-specific code? >> >> >> >> >> >> >> >> But I'm pretty sure similar issue will be encountered on different >> >> >> >> boards, so it would be good to have it in shared place. Do you want >> >> >> >> me >> >> >> >> to create sf_probe_micron and move it there? >> >> >> > >> >> >> > I'd just add a flag into the SPI NOR table and in the code, I'd check >> >> >> > if the flag is set and if so, trigger the Micron-specific code. That >> >> >> > ought to be simple and it doesn't introduce any new config options. >> >> >> >> >> >> Ok, solutions - what about Linux same issue or this requirement should >> >> >> be only >> >> >> for u-boot or bootloaders? >> >> > >> >> > Linux probably has same issue. >> >> >> >> Please check the same. >> >> >> >> > >> >> > Do you like Marek's "add a flag to table" proposal? >> >> >> >> Please send the patch to both the ML's. >> > >> > Which mailing lists do you mean? >> >> I meant to say if something is not working with Linux as well, send the same >> patch to both U-Boot and Linux. > > Linux already handles it, see drivers/mtd/spi-nor/spi-nor.c, functions > spi_nor_scan and set_4byte.
Seems like nothing much doing in micron side switch (JEDEC_MFR(info)) { case CFI_MFR_ST: /* Micron, actually */ /* Some Micron need WREN command; all will accept it */ need_wren = true; thanks! -- Jagan Teki, Openedev. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot