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Thu, 03 Jul 2025 06:08:55 -0700 (PDT) Received: from localhost.localdomain ([2804:1b3:a7c0:b293:bc62:f957:108d:1060]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4a7fc57d7dcsm107314561cf.60.2025.07.03.06.08.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Jul 2025 06:08:54 -0700 (PDT) From: Hiago De Franco To: Bjorn Andersson , Mathieu Poirier Cc: Shawn Guo , Sascha Hauer , Iuliana Prodan , Peng Fan , Daniel Baluta , linux-remoteproc@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Hiago De Franco , Ritesh Kumar Subject: [PATCH] remoteproc: imx_rproc: merge ITCM and DTCM regions Date: Thu, 3 Jul 2025 10:08:31 -0300 Message-Id: <20250703130831.18830-1-hiagofranco@gmail.com> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Hiago De Franco Merge the contiguous ITCM and DTCM regions into a single region to prevent failures when loading ELF files with large sections: remoteproc remoteproc0: powering up imx-rproc remoteproc remoteproc0: Booting fw image rproc-imx-rproc-fw, size 151824 imx-rproc imx8mp-cm7: Translation failed: da = 0x1f48 len = 0x1fcb0 remoteproc remoteproc0: bad phdr da 0x1f48 mem 0x1fcb0 remoteproc remoteproc0: Failed to load program segments: -22 remoteproc remoteproc0: Boot failed: -22 This approach is the same as commit 8749919defb8 ("remoteproc: imx_rproc: Merge TCML/U"). Suggested-by: Ritesh Kumar Signed-off-by: Hiago De Franco --- Hi, The ELF I tested had the following data section: Memory region Used Size Region Size %age Used m_interrupts: 680 B 1 KB 66.41% m_text: 6984 B 127 KB 5.37% m_data: 130224 B 128 KB 99.35% m_data2: 0 GB 16 MB 0.00% [100%] Built target hello_world_cm7.elf Which triggered the error. After this patch, remoteproc was able to boot and work fine. Thanks! --- drivers/remoteproc/imx_rproc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 74299af1d7f1..bbf089ef48ee 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -166,8 +166,8 @@ static const struct imx_rproc_att imx_rproc_att_imx8qxp[] = { static const struct imx_rproc_att imx_rproc_att_imx8mn[] = { /* dev addr , sys addr , size , flags */ - /* ITCM */ - { 0x00000000, 0x007E0000, 0x00020000, ATT_OWN | ATT_IOMEM }, + /* D/ITCM */ + { 0x00000000, 0x007E0000, 0x00040000, ATT_OWN | ATT_IOMEM }, /* OCRAM_S */ { 0x00180000, 0x00180000, 0x00009000, 0 }, /* OCRAM */ @@ -180,8 +180,6 @@ static const struct imx_rproc_att imx_rproc_att_imx8mn[] = { { 0x08000000, 0x08000000, 0x08000000, 0 }, /* DDR (Code) - alias */ { 0x10000000, 0x40000000, 0x0FFE0000, 0 }, - /* DTCM */ - { 0x20000000, 0x00800000, 0x00020000, ATT_OWN | ATT_IOMEM }, /* OCRAM_S - alias */ { 0x20180000, 0x00180000, 0x00008000, ATT_OWN }, /* OCRAM */ -- 2.39.5