[flashrom] Re: adding part #

[Vlim]

Thanks, Anastasia,

Can you please explain this statement,

.printlock  = SPI_PRETTYPRINT_STATUS_REGISTER_BP4_SRWD,
.unlock     = SPI_DISABLE_BLOCKPROTECT_BP4_SRWD,

Looks like this is to support memory array protection. But it needs BP0-BP4.
Do I need to specify BP0 to BP3 as well?
Or I specify the setting when I initiate the flashrom programming command?

Regards,

Victor

________________________________
From: Anastasia Klimchuk 
Sent: Thursday, March 21, 2024 05:32
To: Vlim ; [e-mail] 
Cc: Peter Marheine 
Subject: [flashrom] Re: adding part #

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Hello Victor,

Various feature bits are defined as macros in include/flash.h , some of them have comments explaining what they do. If the feature name is not descriptive, and there is no comment, but you think you might need this feature: feel free to ask. I would try to add comments later.

SPI_DISABLE_BLOCKPROTECT_BP4_SRWD and other unlock functions as in spi25_statusreg.c. Those functions have comments, hopefully this can help!

On Thu, Mar 21, 2024 at 2:48 PM Vlim <[e-mail]> wrote:
Thanks, Peter,

Where can I find the definition of terms like,

.feature_bits     = FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_WRSR_EXT2,
SPI_DISABLE_BLOCKPROTECT_BP4_SRWD

Regards,

Victor

________________________________
From: Peter Marheine <[e-mail]>
Sent: Tuesday, March 19, 2024 15:42
To: Vlim <[e-mail]>
Cc: [e-mail] <[e-mail]>
Subject: Re: [flashrom] adding part #

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Our "how to add a new chip" documentation should point you in the right direction: https://flashrom.org/contrib_howtos/how_to_add_new_chip.html

But feel free to ask further questions if anything there doesn't seem sufficient for your needs.

On Wed, Mar 20, 2024 at 6:31 AM Vlim <[e-mail]> wrote:
Hi, FlashRom team,

I am the FAE director in Gigadevice and I would like to add some part #s to the flashchip.c and flashchip.h.
Can you please provide some guidance?

Regards,

Victor Lim
FAE Director
GigaDevice Semiconductor
4088833856tel:(408)%20883-3856

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