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Fri, 27 Oct 2023 16:43:10 +0200 (MEST) Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 91069100067; Fri, 27 Oct 2023 16:43:09 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node1.st.com [10.75.129.69]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 8B4512548A3; Fri, 27 Oct 2023 16:43:09 +0200 (CEST) Received: from localhost (10.201.20.38) by SHFDAG1NODE1.st.com (10.75.129.69) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Fri, 27 Oct 2023 16:43:09 +0200 From: Patrice Chotard To: CC: Patrice CHOTARD , Patrick DELAUNAY , U-Boot STM32 , Patrice Chotard Subject: [PATCH v1 2/9] stm32mp: dram_init: Get RAM size from DT if no RAM driver found Date: Fri, 27 Oct 2023 16:42:57 +0200 Message-ID: <20231027144304.1002307-3-patrice.chotard@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231027144304.1002307-1-patrice.chotard@foss.st.com> References: <20231027144304.1002307-1-patrice.chotard@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.20.38] X-ClientProxiedBy: SHFCAS1NODE1.st.com (10.75.129.72) To SHFDAG1NODE1.st.com (10.75.129.69) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-27_13,2023-10-27_01,2023-05-22_02 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean From: Patrice Chotard In case there is no RAM driver retrieve RAM size from DT as fallback. Signed-off-by: Patrice Chotard Signed-off-by: Patrice Chotard Reviewed-by: Patrick Delaunay --- arch/arm/mach-stm32mp/dram_init.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-stm32mp/dram_init.c b/arch/arm/mach-stm32mp/dram_init.c index 7f37b0d2aa2..a1e77a42e4f 100644 --- a/arch/arm/mach-stm32mp/dram_init.c +++ b/arch/arm/mach-stm32mp/dram_init.c @@ -24,8 +24,11 @@ int dram_init(void) int ret; ret = uclass_get_device(UCLASS_RAM, 0, &dev); - if (ret) { - log_debug("RAM init failed: %d\n", ret); + /* in case there is no RAM driver, retrieve DDR size from DT */ + if (ret == -ENODEV) { + return fdtdec_setup_mem_size_base(); + } else if (ret) { + log_err("RAM init failed: %d\n", ret); return ret; } ret = ram_get_info(dev, &ram);