From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Alex Elder <elder@ieee.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Alex Elder <elder@kernel.org>
Cc: Marijn Suijten <marijn.suijten@somainline.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: sram: qcom,imem: Allow modem-tables
Date: Fri, 23 May 2025 20:13:36 +0200 [thread overview]
Message-ID: <81093c19-a6f7-4653-9688-ca891fd2548b@oss.qualcomm.com> (raw)
In-Reply-To: <7707b574-6fcf-487d-909a-d24874f9d686@ieee.org>
On 5/23/25 7:59 PM, Alex Elder wrote:
> On 5/22/25 6:08 PM, Konrad Dybcio wrote:
>> From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
>>
>> The IP Accelerator hardware/firmware owns a sizeable region within the
>> IMEM, ominously named 'modem-tables', presumably having to do with some
>> internal IPA-modem specifics.
>>
>> It's not actually accessed by the OS, although we have to IOMMU-map it
>> with the IPA device, so that presumably the firmware can act upon it.
>>
>> Allow it as a subnode of IMEM.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
>
> So this will just show up as a subnode of an sram@... node,
> the way "qcom,pil-reloc-info" does. This is great.
>
> Is it called "modem-tables" in internal documentation? Or
> did you choose this ominous name?
Downstream. It's hard to find accurate information on this.
Konrad
next prev parent reply other threads:[~2025-05-23 18:13 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-22 23:08 [PATCH 0/3] Grab IPA IMEM slice through DT Konrad Dybcio
2025-05-22 23:08 ` [PATCH 1/3] dt-bindings: sram: qcom,imem: Allow modem-tables Konrad Dybcio
2025-05-23 17:59 ` Alex Elder
2025-05-23 18:13 ` Konrad Dybcio [this message]
2025-05-22 23:08 ` [PATCH 2/3] dt-bindings: net: qcom,ipa: Add sram property for describing IMEM slice Konrad Dybcio
2025-05-23 17:59 ` Alex Elder
2025-05-22 23:08 ` [PATCH 3/3] net: ipa: Grab IMEM slice base/size from DTS Konrad Dybcio
2025-05-23 5:49 ` Dmitry Baryshkov
2025-05-23 13:17 ` Simon Horman
2025-05-23 18:16 ` Konrad Dybcio
2025-05-23 17:59 ` Alex Elder
2025-05-23 18:59 ` kernel test robot
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