Messages in this thread | | | Date | Wed, 17 Oct 2018 09:10:45 +0200 | From | Boris Brezillon <> | Subject | Re: [PATCH v3 1/2] mtd: spi-nor: add support to non-uniform SFDP SPI NOR flash memories |
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On Wed, 17 Oct 2018 09:07:24 +0200 Boris Brezillon <boris.brezillon@bootlin.com> wrote:
> On Wed, 17 Oct 2018 02:07:43 +0000 > Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> wrote: > > > > > > Actually there is no entry of s25fs512s in current spi-nor.c file. > > For my connected flash part, jedec ID read points to s25fl512s. I > > have asked my board team to confirm the name of exact connected flash > > part. When I check the data sheet of s25fs512s, it also points to the > > same Jedec ID information. { "s25fl512s", INFO(0x010220, 0x4d00, 256 > > * 1024, 256, ....} > > > > But as stated earlier, if I skip reading SFDP or read using 1-1-1 > > protocol then read are always correct. For 1-4-4 protocol read are > > wrong and on further debugging found that Read code of 0x6C is being > > send as opcode instead of 0xEC. > > > > If I revert this patch, reads are working fine. > > Can you try with the following patch? >
Hm, nevermind. The problem is actually not related to 4B vs non-4B mode but 1-1-4 vs 1-4-4 modes.
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