[U-Boot] [PATCH v2 5/8] sf: winbond: Update the names for W25Q 0x40XX ID's flash parts

MCHEN4 at winbond.com MCHEN4 at winbond.com
Wed Jun 5 03:01:23 CEST 2013


Jagan,

Yes, it is OK. Of course, the 3V QPI IDs of W25Q32FV/64FV/128FV are identical to that of the 1.8V devices (W25Q32DW/64DW/128FW). It may not be a good idea but it's too late for us to change.

Best Regards,
Mike Chen

Technical Marketing
Winbond Electronics Corp. America
(408)544-2667


-----Original Message-----
From: Jagan Teki [mailto:jagannadh.teki at gmail.com]
Sent: Tuesday, June 04, 2013 10:26 AM
To: US20 Hui (Mike) Chen
Cc: US30 Syed Hussain; u-boot at lists.denx.de; Michal Simek; Tom Rini; Simon Glass; Jagannadha Sutradharudu Teki
Subject: Re: [PATCH v2 5/8] sf: winbond: Update the names for W25Q 0x40XX ID's flash parts

On Tue, Jun 4, 2013 at 10:49 PM, MCHEN4 at winbond.com <MCHEN4 at winbond.com> wrote:
> Jagan,
>
> So far, our major customer request is to have the same ID for backward compatibility. Therefore the IDs are the same for W25Q16C and W25Q16D. As for the 2.5V parts (W25Q80BL/W25Q16CL), they are the same die as the 3V (W25Q80BV/W25Q16CV), so the IDs are the same as well.
>
> The differences between the pairs are not that significant. We consider them as drop-in compatible.

Ok, thanks for your response.

And are your ok with below representation for common id's parts ?
+               .name                   = "W25Q80BL/W25Q80BV",
+               .name                   = "W25Q16CL/W25Q16DV",
+               .name                   = "W25Q32BV/W25Q32FV_SPI",
+               .name                   = "W25Q64CV/W25Q64FV_SPI",
+               .name                   = "W25Q128BV/W25Q128FV_SPI",
+               .name                   = "W25Q32DW/W25Q32FV_QPI",
+               .name                   = "W25Q64DW/W25Q64FV_QPI",
+               .name                   = "W25Q128FW/W25Q128FV_QPI",

--
Thanks,
Jagan.

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