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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba334539fc7sm27136866b.11.2026.04.16.03.19.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 16 Apr 2026 03:19:08 -0700 (PDT) Message-ID: <098ad1e8-1ad3-458e-93dd-859457cc58c9@oss.qualcomm.com> Date: Thu, 16 Apr 2026 12:19:06 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 3/3] arm64: dts: qcom: eliza: Add IMEM node To: Krzysztof Kozlowski , Alexander Koskovich , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20260416-eliza-imem-v2-0-fb7a71123451@pm.me> <20260416-eliza-imem-v2-3-fb7a71123451@pm.me> <9592f205-7467-462b-874e-7fc599e5277a@kernel.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <9592f205-7467-462b-874e-7fc599e5277a@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: nx-LsB-5DPwvApvTDWduvC2Ms5jfTq9L X-Authority-Analysis: v=2.4 cv=NuvhtcdJ c=1 sm=1 tr=0 ts=69e0b79e cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=44A4ohInunnxtq6OaqkA:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-GUID: nx-LsB-5DPwvApvTDWduvC2Ms5jfTq9L X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE2MDA5NyBTYWx0ZWRfX9M9yNM+nNybL uCnPItZaUny395BNzdJsTn/l8SVBGYyQRH/A0hRlNr4ulVAI/Q0P9+NGgGgBLo1C1iJqJxEm15l 7T0xIU7CIPAVfLb1wkgXmxpeUDfSMYRgX36aBpL8QAOJoUSoHCgeM/HaJN7A1zwVurYbMz9MgEY oWh4u5h61hAUpuK7IlG8EKPBaR29xR4rIBAYQpmZQFa0EcHuOVVpsaXiOOURdg69ijjMnkrsGCi uuC4S9WQsGBIBakteHyRQJo1+ap+yTvoAMPqnwt5DbCMM0OOps+r/PjEQWtQZmb+Sh9eBg4xnkB KinlMxqtoYA+BljBkGXiOPrbdMOGzDV3YU8yhUzo9ZTWu4q+Z2NWtddw7w5anuPbEpxv09VUirz LgvSh+ThZuxXwuTTOVZ6EKTMU9Hp3eR51f50yMoLwVeXOCeGPXI0G7nsswbUq77LAJ/aQNO3k4I pW/Fa3WYaFBwlRS8mWQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-16_02,2026-04-13_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 impostorscore=0 phishscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604160097 On 4/16/26 12:09 PM, Krzysztof Kozlowski wrote: > On 16/04/2026 11:40, Alexander Koskovich wrote: >> Add a node for the IMEM found on Eliza, which contains pil-reloc-info >> and the modem tables for IPA, among others. >> >> Signed-off-by: Alexander Koskovich >> --- >> arch/arm64/boot/dts/qcom/eliza.dtsi | 20 ++++++++++++++++++++ >> 1 file changed, 20 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/qcom/eliza.dtsi b/arch/arm64/boot/dts/qcom/eliza.dtsi >> index 6fa5679c1a62..551df07e44c6 100644 >> --- a/arch/arm64/boot/dts/qcom/eliza.dtsi >> +++ b/arch/arm64/boot/dts/qcom/eliza.dtsi >> @@ -1029,6 +1029,26 @@ qup_uart14_default: qup-uart14-default-state { >> }; >> }; >> >> + sram@14680000 { >> + compatible = "qcom,eliza-imem", "mmio-sram"; >> + reg = <0x0 0x14680000 0x0 0x2c000>; >> + ranges = <0x0 0x0 0x14680000 0x2c000>; >> + >> + no-memory-wc; >> + >> + #address-cells = <1>; >> + #size-cells = <1>; >> + >> + pilreloc-sram@94c { >> + compatible = "qcom,pil-reloc-info"; >> + reg = <0x94c 0xc8>; >> + }; >> + >> + ipa_modem_tables: modem-tables-sram@3000 { >> + reg = <0x3000 0x2000>; > > I don't think these two should be in the main SoC DTSI. The non-modem > version obviously does not have modem-tables. That's not quite right, IMEM is partitioned to have it either way, even if it stays unused. You'll notice this slice is there even on platforms that were designed with no modem in any SKU Konrad