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Date:   Mon, 12 Dec 2022 19:11:17 -0600
From:   Alex Elder <>
To:     Jakub Kicinski <>,
        Konrad Dybcio <>
Cc:     Alex Elder <>,,,,,,,,,,,,,
        Luca Weiss <>
Subject: Re: [PATCH net-next 2/2] net: ipa: add IPA v4.7 support

On 12/12/22 5:54 PM, Jakub Kicinski wrote:
>>> which in total gives us 0x146a8000-0x146aafff
>> Can you tell me where you found this information?
> [1], [2]
>>> That would also mean all of your writes are kind of skewed, unless
>>> you already applied some offsets to them.
>> This region is used by the modem, but must be set up
>> by the AP.
>>> (IMEM on 6350 starts at 0x14680000 and is 0x2e000 long, as per
>>> the bootloader memory map)
>> On SM7250 (sorry, I don't know about 7225, or 6350 for that matter),
>> the IMEM starts at 0x14680000 and has length 0x2c000.  However that
>> memory is used by multiple entities.  The portion set aside for IPA
>> starts at 0x146a9000 and has size 0x2000.

This is awesome, thank you!

Yes I think there are a couple of minor corrections to make
but I haven't had the time to go do the research yet, so
hadn't yet responded.

Nothing is "supported" upstream anyway until there's a
system with a DTS that uses it, and that won't happen
until after the end of the merge window.

Again, thank you very much, it's a safe thing to take
for now.


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