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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba451210e1bsm533244966b.3.2026.04.22.04.07.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 22 Apr 2026 04:07:48 -0700 (PDT) Message-ID: <77111d7c-4f18-4c6b-a3fd-b5e2981939dd@oss.qualcomm.com> Date: Wed, 22 Apr 2026 13:07:46 +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 v4 2/2] arch: arm64: boot: dts: qcom: add IMEM and PIL regions for glymur To: Ananthu C V Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20260327-glymur-imem-v4-0-8fe0f20ad9fd@oss.qualcomm.com> <20260327-glymur-imem-v4-2-8fe0f20ad9fd@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: oeVURVAFCt35ZzgE5C9SGtzStpnzfBkE X-Authority-Analysis: v=2.4 cv=SONykuvH c=1 sm=1 tr=0 ts=69e8ac07 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=go9SmOXN6WSQs1UN5q4A:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-ORIG-GUID: oeVURVAFCt35ZzgE5C9SGtzStpnzfBkE X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIyMDEwNSBTYWx0ZWRfXyIuTENrj/PBo ZbV5KPtTeSe34EqPOmapuldIuoiURy+zYPGtRU1zASQqAWnFoNynC3/R9HiuIWRmj1i75vLX3i3 Vd2ojPcttw8PVvPxQIe2l6gwrZ4zFqvrXZtI3TfzFmZNQtcI1XXhvza35e6l0Vibcqxt5w2x/xx X0j8YAOtTXe9Br9PpBTx7lp/u4Q8fquIISk6nNJQ85e1rU8tgXAoqVBC0g3phfU346T5frFWEm8 x5d3FtkhHPFpW8o96r9NwGRZnyzKFGzuXHNbuVYga3AWPNgaz4iqIVCS6tdT7DNEpKechkfc2Ic Ah3CqbDJZhwv2n3Nitulb+xBO6hii6vP0dDeSeLmCrrO4HhTmJ8yHSE+nDVF7QeQ0dGZwHXUKYZ Hyz5M1E28C2qdU6UwRxM5qLrexWbR5NJQSIam9Du3+iqb8ZFWXAEICjFWJe/u7+vM0IHkIBd6KI eHK011Ndg0QHtMuTbtw== 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=2026-04-22_01,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 adultscore=0 impostorscore=0 malwarescore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604220105 On 4/21/26 11:47 AM, Ananthu C V wrote: > Hi Konrad, > > On Wed, Apr 08, 2026 at 11:42:14AM +0200, Konrad Dybcio wrote: >> On 3/27/26 11:24 AM, Ananthu C V wrote: >>> Add an IMEM on glymur which falls back to mmio-sram and define the >>> PIL relocation info region as its child, for post mortem tools to >>> locate the loaded remoteprocs. >>> >>> Signed-off-by: Ananthu C V >>> --- >>> arch/arm64/boot/dts/qcom/glymur.dtsi | 16 ++++++++++++++++ >>> 1 file changed, 16 insertions(+) >>> >>> diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi >>> index 4886e87ebd49..21ae05f0ee17 100644 >>> --- a/arch/arm64/boot/dts/qcom/glymur.dtsi >>> +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi >>> @@ -6457,6 +6457,22 @@ rx-pins { >>> }; >>> }; >>> >>> + sram@14680000 { >>> + compatible = "qcom,glymur-imem", "mmio-sram"; >>> + reg = <0x0 0x14680000 0x0 0x1000>; >>> + ranges = <0 0 0x14680000 0x1000>; >> >> size=0x2c_000 > > on glymur the imem region is a 4kb region of size 0x1000. No.. that's the "shared" slice of it Konrad