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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-144f98bf501sm4941273c88.14.2026.09.23.02.08.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 23 Sep 2026 02:08:18 -0700 (PDT) Message-ID: <4bd5d1ad-3d97-4ef9-bd46-790bcffd5ea7@oss.qualcomm.com> Date: Wed, 23 Sep 2026 14:38:12 +0530 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: qcom: nord: Add LLCC node To: Shawn Guo , Bjorn Andersson Cc: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Anurag Pateriya References: <20260922091735.491481-1-shengchao.guo@oss.qualcomm.com> Content-Language: en-US From: Pankaj Patil In-Reply-To: <20260922091735.491481-1-shengchao.guo@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=EZdd0/mC c=1 sm=1 tr=0 ts=6ab39705 cx=c_pps a=kVLUcbK0zfr7ocalXnG1qA==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=gcWZ9kyA7G0WfbYWDhQA:9 a=QEXdDO2ut3YA:10 a=vr4QvYf-bLy2KjpDp97w:22 X-Proofpoint-ORIG-GUID: tPWPXAcaYev3HeJHryhSPNaluv_m18bl X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTIzMDAzNSBTYWx0ZWRfX+JyYw6A1ZiEV OJ2p0RXQK0/fsATV3PtlAD/TJb8MaZZfeU3mzsxZVdq7sqyx6BDgbsOJP437/e5Heji7Hj9ncir Xqf4gP4GRGDXKaMykxxV9q0ZlfTqPOt7HHkPIHb+La8hpfX0CyKxrrScRDdhIAkivdWviNmzeGy qnbSz2RN6m8Mv/YWWM1ya4CsuZ16YxwJbz8s5WpZZB4V7Yo4v7FY0s1bx4/nqRrlZxs38akkCp3 HmTYJJSgrRadSB59Gin6wpuIFmqgdwhdUo6KW2GlTq0htS7wMvqyWQkPRVGH3lWVxUe10l0tnET wj7+4LUxtrqVd+JSKCSPP/fkx1VIXrdRKf6f6oSSWEfjWIb9ycJw68EtSgsjiclavc0/+tQE5p4 ZF0SQHz6iGr4MM1fTXdVNfJr6SGPP4tYjlzZxhmMol/uEBO/KcshWa5APh/zAdC8RFPMguVoGXR 4UpQDBlf9VwnpnNr5HQ== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTIzMDAzNSBTYWx0ZWRfXwgCGquxMV61C z0sCXL+2Xa7S8kzQcDXTc+pLpsnLkobnyVTYHJh/iyColXDapxC5IbnH7+d3Z7xyT/QPoJGF9rW Xcc0UcR0nI/pgd77WPZIkWFOCgpUCbk= X-Proofpoint-GUID: tPWPXAcaYev3HeJHryhSPNaluv_m18bl X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-23_04,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 bulkscore=0 adultscore=0 spamscore=0 lowpriorityscore=0 phishscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609230035 On 9/22/2026 2:47 PM, Shawn Guo wrote: > From: Anurag Pateriya > > Add the system cache controller. All sixteen banks are listed, four per > DDR slice at 0x100000 strides from slice + 0x800000, followed by the > global broadcast OR/AND regions, which the driver expects at the reg > indices right after the last bank. > > No ECC interrupt is described, as the Nord interrupt map does not expose > one for the LLCC. The driver treats it as optional. > > Signed-off-by: Anurag Pateriya > Signed-off-by: Shawn Guo > --- > Dependencies: > - LLCC driver: https://lore.kernel.org/all/20260910-nord_llcc-v1-0-30fd1cca65fe@oss.qualcomm.com/ > > arch/arm64/boot/dts/qcom/nord.dtsi | 40 ++++++++++++++++++++++++++++++ > 1 file changed, 40 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/nord.dtsi b/arch/arm64/boot/dts/qcom/nord.dtsi > index e0496fd40c30..6896bda14ef3 100644 > --- a/arch/arm64/boot/dts/qcom/nord.dtsi > +++ b/arch/arm64/boot/dts/qcom/nord.dtsi > @@ -2071,6 +2071,46 @@ watchdog@17826000 { > clocks = <&sleep_clk>; > interrupts = ; > }; > + > + llcc: system-cache-controller@21800000 { > + compatible = "qcom,nord-llcc"; > + reg = <0x0 0x21800000 0x0 0x100000>, > + <0x0 0x21a00000 0x0 0x100000>, > + <0x0 0x21c00000 0x0 0x100000>, > + <0x0 0x21e00000 0x0 0x100000>, > + <0x0 0x22800000 0x0 0x100000>, > + <0x0 0x22a00000 0x0 0x100000>, > + <0x0 0x22c00000 0x0 0x100000>, > + <0x0 0x22e00000 0x0 0x100000>, > + <0x0 0x23800000 0x0 0x100000>, > + <0x0 0x23a00000 0x0 0x100000>, > + <0x0 0x23c00000 0x0 0x100000>, > + <0x0 0x23e00000 0x0 0x100000>, > + <0x0 0x24800000 0x0 0x100000>, > + <0x0 0x24a00000 0x0 0x100000>, > + <0x0 0x24c00000 0x0 0x100000>, > + <0x0 0x24e00000 0x0 0x100000>, > + <0x0 0x20400000 0x0 0x100000>, > + <0x0 0x20600000 0x0 0x100000>; > + reg-names = "llcc0_base", > + "llcc1_base", > + "llcc2_base", > + "llcc3_base", > + "llcc4_base", > + "llcc5_base", > + "llcc6_base", > + "llcc7_base", > + "llcc8_base", > + "llcc9_base", > + "llcc10_base", > + "llcc11_base", > + "llcc12_base", > + "llcc13_base", > + "llcc14_base", > + "llcc15_base", > + "llcc_broadcast_base", > + "llcc_broadcast_and_base"; > + }; > }; > > arch_timer: timer { Reviewed-by: Pankaj Patil