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Thu, 10 Sep 2026 02:53:55 -0700 (PDT) Received: from thefoxflat ([2404:c0:7029:b3c6:7b99:50ff:b405:5c31]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39d7e77498csm3849455a91.3.2026.09.10.02.53.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Sep 2026 02:53:54 -0700 (PDT) From: Reza Kurniawan To: u-boot@lists.u-boot-project.org Cc: Reza Kurniawan , Casey Connolly , Ilias Apalodimas , Neil Armstrong , Sumit Garg , Tom Rini , u-boot-qcom@groups.io Subject: [PATCH 1/4] mach-snapdragon: Carve out reserved memory at init for MSM8917 Date: Thu, 10 Sep 2026 09:41:44 +0000 Message-ID: <20260910095339.110427-2-imkyufie@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260910095339.110427-1-imkyufie@gmail.com> References: <20260910095339.110427-1-imkyufie@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Thu, 10 Sep 2026 12:14:04 +0000 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 --- 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