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Tue, 15 Sep 2026 21:16:35 -0700 (PDT) From: Reza Kurniawan Date: Wed, 16 Sep 2026 04:16:02 +0000 Subject: [PATCH v3 1/3] mach-snapdragon: Carve out reserved memory at init for MSM8917 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260916-msm8917-support-v3-1-35103cb4e01e@gmail.com> References: <20260916-msm8917-support-v3-0-35103cb4e01e@gmail.com> In-Reply-To: <20260916-msm8917-support-v3-0-35103cb4e01e@gmail.com> To: u-boot-qcom@groups.io, u-boot@lists.u-boot-project.org Cc: Sumit Garg , Tom Rini , Ilias Apalodimas , Casey Connolly , Neil Armstrong , Balaji Selvanathan , Lukasz Majewski , Alexey Minnekhanov , Luca Weiss , Reza Kurniawan X-Mailer: b4 0.15.2 X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.u-boot-project.org Certain regions of memory in MSM8917 are marked as 'no-map'. These regions may cause security violation when included in the standard mapping. Signed-off-by: Reza Kurniawan Reviewed-by: Balaji Selvanathan --- arch/arm/mach-snapdragon/mem_map.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-snapdragon/mem_map.c b/arch/arm/mach-snapdragon/mem_map.c index f64ec0c67..eb0242ef8 100644 --- a/arch/arm/mach-snapdragon/mem_map.c +++ b/arch/arm/mach-snapdragon/mem_map.c @@ -216,7 +216,8 @@ void enable_caches(void) * reserved regions as inacessible (PTE_TYPE_FAULT) */ if (qcom_memmap_source == QCOM_MEMMAP_SOURCE_SMEM || - fdt_node_check_compatible(gd->fdt_blob, 0, "qcom,qcs404") == 0) { + fdt_node_check_compatible(gd->fdt_blob, 0, "qcom,qcs404") == 0 || + fdt_node_check_compatible(gd->fdt_blob, 0, "qcom,msm8917") == 0) { carveout_start = get_timer(0); /* Takes ~20-50ms on SDM845 */ configure_reserved_memory(); -- 2.55.0