Hi Tudor, > -----Original Message----- > From: linux-mtd [mailto:linux-mtd-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of > Yogesh Narayan Gaur > Sent: Thursday, September 20, 2018 10:02 AM > To: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx>; linux- > mtd@xxxxxxxxxxxxxxxxxxx; linux-spi@xxxxxxxxxxxxxxx > Cc: marek.vasut@xxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > boris.brezillon@xxxxxxxxxxx; frieder.schrempf@xxxxxxxxx; > cyrille.pitchen@xxxxxxxxxx; computersforpeace@xxxxxxxxx > Subject: RE: [RESEND PATCH 1/2] mtd: spi-nor: add macros related to MICRON > flash > > Hi Tudor, > > > -----Original Message----- > > From: Tudor Ambarus [mailto:tudor.ambarus@xxxxxxxxxxxxx] > > Sent: Wednesday, September 19, 2018 10:00 PM > > To: Yogesh Narayan Gaur <yogeshnarayan.gaur@xxxxxxx>; linux- > > mtd@xxxxxxxxxxxxxxxxxxx; linux-spi@xxxxxxxxxxxxxxx > > Cc: boris.brezillon@xxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > > marek.vasut@xxxxxxxxx; frieder.schrempf@xxxxxxxxx; > > cyrille.pitchen@xxxxxxxxxx; computersforpeace@xxxxxxxxx > > Subject: Re: [RESEND PATCH 1/2] mtd: spi-nor: add macros related to > > MICRON flash > > > > Hi, > > > > On 09/19/2018 07:50 AM, Yogesh Gaur wrote: > > > Some MICRON related macros in spi-nor domain were ST. > > > Rename entries related to STMicroelectronics under macro SNOR_MFR_ST. > > > > > > Added entry of MFR Id for Micron flashes, 0x002C. > > > > > > Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@xxxxxxx> > > > --- > > > drivers/mtd/spi-nor/spi-nor.c | 9 ++++++--- > > > include/linux/mtd/cfi.h | 1 + > > > include/linux/mtd/spi-nor.h | 3 ++- > > > 3 files changed, 9 insertions(+), 4 deletions(-) > > > > > > diff --git a/drivers/mtd/spi-nor/spi-nor.c > > > b/drivers/mtd/spi-nor/spi-nor.c index f028277..33a55bc 100644 > > > --- a/drivers/mtd/spi-nor/spi-nor.c > > > +++ b/drivers/mtd/spi-nor/spi-nor.c > > > @@ -271,6 +271,7 @@ static inline int set_4byte(struct spi_nor *nor, > > > const > > struct flash_info *info, > > > u8 cmd; > > > > > > switch (JEDEC_MFR(info)) { > > > + case SNOR_MFR_ST: > > [...] > > > a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h index > > > 9b57a9b..cbf7716 100644 > > > --- a/include/linux/mtd/cfi.h > > > +++ b/include/linux/mtd/cfi.h > > > @@ -377,6 +377,7 @@ struct cfi_fixup { > > > #define CFI_MFR_SHARP 0x00B0 > > > #define CFI_MFR_SST 0x00BF > > > #define CFI_MFR_ST 0x0020 /* STMicroelectronics */ > > > +#define CFI_MFR_MICRON 0x002C /* Micron */ > > > > Can you point us to a datasheet to verify the id? > > > > Currently data sheet of this flash is under NDA, I have asked Micron guys to > provide the public link of this data sheet. > Please find the attached public data sheet of MT35x flash. Micron team has added few basic information like device ID information, supported commands etc of this flash in public data-sheet. Complete datasheet is under NDA. -- Regards Yogesh Gaur. > -- > Regards > Yogesh Gaur. > > > Best, > > ta > > > > > #define CFI_MFR_TOSHIBA 0x0098 > > > #define CFI_MFR_WINBOND 0x00DA > > > > > > diff --git a/include/linux/mtd/spi-nor.h > > > b/include/linux/mtd/spi-nor.h index c922e97..f43bfc5 100644 > > > --- a/include/linux/mtd/spi-nor.h > > > +++ b/include/linux/mtd/spi-nor.h > > > @@ -23,7 +23,8 @@ > > > #define SNOR_MFR_ATMEL CFI_MFR_ATMEL > > > #define SNOR_MFR_GIGADEVICE 0xc8 > > > #define SNOR_MFR_INTEL CFI_MFR_INTEL > > > -#define SNOR_MFR_MICRON CFI_MFR_ST /* ST Micro <--> > Micron > > */ > > > +#define SNOR_MFR_ST CFI_MFR_ST /* ST Micro */ > > > +#define SNOR_MFR_MICRON CFI_MFR_MICRON /* > Micron */ > > > #define SNOR_MFR_MACRONIX CFI_MFR_MACRONIX > > > #define SNOR_MFR_SPANSION CFI_MFR_AMD > > > #define SNOR_MFR_SST CFI_MFR_SST > > > > ______________________________________________________ > Linux MTD discussion mailing list > https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.infr > adead.org%2Fmailman%2Flistinfo%2Flinux- > mtd%2F&data=02%7C01%7Cyogeshnarayan.gaur%40nxp.com%7Ca8587ce > 6c75d496d021208d61eb20714%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0 > %7C0%7C636730147344646202&sdata=9uJcQYkFyn%2FF0WZoVhs0Ov%2F > w0EuSCoHXpJO3xdNsDug%3D&reserved=0
Attachment:
MT35X Public.pdf
Description: MT35X Public.pdf
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