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[172.104.229.140]) by smtp.gmail.com with ESMTPSA id x192sm26613948wmf.48.2019.04.23.21.00.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 23 Apr 2019 21:00:26 -0700 (PDT) From: Jun Nie To: festevam@gmail.com, otavio@ossystems.com.br, peng.fan@nxp.com, vanessa.maegima@nxp.com, bryan.odonoghue@linaro.org, u-boot@lists.denx.de Date: Wed, 24 Apr 2019 11:59:28 +0800 Message-Id: <1556078372-26851-6-git-send-email-jun.nie@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1556078372-26851-1-git-send-email-jun.nie@linaro.org> References: <1556078372-26851-1-git-send-email-jun.nie@linaro.org> Subject: [U-Boot] [PATCH v3 5/9] pico-imx7d: Reserve region of memory to OPTEE X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Subtracts CONFIG_OPTEE_TZDRAM_SIZE from the available DRAM size so that the OPTEE memory is not override during u-boot relocation. Note the OPTEE boot process will itself subtract the DRAM region it lives in from the memory map passed to Linux. Signed-off-by: Jun Nie Reviewed-by: Peng Fan --- board/technexion/pico-imx7d/pico-imx7d.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/board/technexion/pico-imx7d/pico-imx7d.c b/board/technexion/pico-imx7d/pico-imx7d.c index 53e1469..7c9e145 100644 --- a/board/technexion/pico-imx7d/pico-imx7d.c +++ b/board/technexion/pico-imx7d/pico-imx7d.c @@ -60,6 +60,11 @@ int dram_init(void) { gd->ram_size = imx_ddr_size(); + /* Subtract the defined OPTEE runtime firmware length */ +#ifdef CONFIG_OPTEE_TZDRAM_SIZE + gd->ram_size -= CONFIG_OPTEE_TZDRAM_SIZE; +#endif + return 0; }