On 12/15/23 10:02, Mahapatra, Amit Kumar wrote: > Hello Tudor, Hi, > >> -----Original Message----- >> From: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> >> Sent: Friday, December 15, 2023 1:40 PM >> To: Mahapatra, Amit Kumar <amit.kumar-mahapatra@xxxxxxx>; >> broonie@xxxxxxxxxx; pratyush@xxxxxxxxxx; miquel.raynal@xxxxxxxxxxx; >> richard@xxxxxx; vigneshr@xxxxxx; sbinding@xxxxxxxxxxxxxxxxxxxxx; >> lee@xxxxxxxxxx; james.schulman@xxxxxxxxxx; david.rhodes@xxxxxxxxxx; >> rf@xxxxxxxxxxxxxxxxxxxxx; perex@xxxxxxxx; tiwai@xxxxxxxx >> Cc: linux-spi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; >> michael@xxxxxxxx; linux-mtd@xxxxxxxxxxxxxxxxxxx; >> nicolas.ferre@xxxxxxxxxxxxx; alexandre.belloni@xxxxxxxxxxx; >> claudiu.beznea@xxxxxxxxx; Simek, Michal <michal.simek@xxxxxxx>; linux- >> arm-kernel@xxxxxxxxxxxxxxxxxxx; alsa-devel@xxxxxxxxxxxxxxxx; >> patches@xxxxxxxxxxxxxxxxxxxxx; linux-sound@xxxxxxxxxxxxxxx; git (AMD- >> Xilinx) <git@xxxxxxx>; amitrkcian2002@xxxxxxxxx >> Subject: Re: [PATCH v11 07/10] mtd: spi-nor: Add stacked memories support >> in spi-nor >> >> >> >> On 15.12.2023 09:55, Mahapatra, Amit Kumar wrote: >>>> Thanks! Can you share with us what flashes you used for testing in >>>> the stacked and parallel configurations? >>> I used SPI-NOR QSPI flashes for testing stacked and parallel. >> >> I got that, I wanted the flash name or device ID. > > N25Q00A, MX66U2G45G, IS25LP01G & W25H02JV are some of the QSPI flashes on > which we tested. Additionally, we conducted tests on over 30 different > QSPI flashes from four distinct vendors (Miron, Winbond, Macronix, and ISSI). > Great. >> What I'm interested is if each flash is in its own package. Are they? > > I'm sorry, but I don't quite understand what you mean by "if each flash in > its own package." > There are flashes that are stacked at the physical level. It's a single flash with multiple dies, that are all under a single physical package. As I understand, your stacked flash model is at logical level. You have 2 flashes each in its own package. 2 different entities. Is my understanding correct? Cheers, ta
