U boot ddr calibration. For Board #2, the calibration sometimes fails .


  1. U boot ddr calibration. loop. In an embedded command shell, move to the software/spl_bsp directory and execute “make uboot” to generate a u-boot executable file. MX6/7 DDR Stress Test Tool from: i. imx or struct mx6_mmdc_calibration for boards that boot via SPL. bin . Contribute to u-boot/u-boot development by creating an account on GitHub. MX6ULL EVK May 29, 2017 · Hi Gary, gary_bisson‌ Please look at the following figure. Our board is based on i. Left side DDR calibration result and right side cfg file. Also, since only the Novena board currently uses the dynamic DDR calibration routines, these routines waste space on other boards using SPL. 1. MX6 DDR3 calibration data in u-boot. When you mentioned, "The U-Boot runs perfectly when the fpga configured from u-boot from QSPI flash" correct me if I am wrong, you are seeing the DDR calibration has passed and able to go to u-boot and able configure the FPGA? Jan 11, 2020 · I've run the NXP DDR Stress Test tool on the board using the default MX6UL DDR3 script, setting MR1 to 0x0004 and the DDR freq to 400MHz, but the calibration fails. MX6DL. Input Enter key to stop boot sequence. MX6 Dualite. The tool I'm using for the DDR calibration is "ddr_stress_tester_v3. MX6Q, i. MX6DQ SOCs, but with the use of the sysinfo parameter, these are usable on at least i. 04 , I had test my ddr with i. The reason why I use 400Mhz is following statement in "i. The DDR size is retrieved by the imx_ddr_size() function, by reading the MMDC registers. 04-lf_v2021. cfg file with the DDR3 script values and DDR calibration result values. Feb 7, 2020 · U-Boot SPL 2017. Is that enough just replacing the values of . The DDR controller fails on calibration error during U-Boot execution. The calibration of the DDR controller is done automatically as soon as the bitstream is loaded and we don't know any way to control this behavior. How to get optimized DDR initialization code for a custom board. This document explains: Purpose of the QCVS DDR tool. Also, with the ZQ calibration, the drive strength can be calibrated too. and try to load with mfgtool2, but I have the same problem ant it is . uImage and initramfs. We have downloaded the i. Jun 4, 2020 · Hi everyone. Jul 20, 2023 · Hi, I need DRAM training and calibration code or any tool used for VisionFive2 board. 1 on imx6q-sabre SD, my custom board uses 2G DRAM, u-boot is Version 2015. 60 for my iMAX6 Quad processor based custom hardware design. But u-boot is not booting. imx image that contains these DCD commands at the start of the image to configure your DDR controller for you. Forums 5. 2. Aug 18, 2016 · Hello all, I tried porting U-boot(2014. 6 for various reasons, we’re still stuck with non-SPL u-boot configuration and therefore cannot directly backport the DDR initialization and calibration from the newer BSP. 10) and the RAM calibration seems correct: Aug 22, 2016 · Hello all, I tried porting U-boot(2014. MX6/7 DDR Stress Test Tool V2. I updated the . u-boot> fatload mmc 1:1 0x00907000 ddr-test-uboot-jtag-mx6ul. 04-21601-g7bd2074193 (Aug 21 2023 - 06:17:15 +0000) DDRINFO: start DRAM init DDRINFO: DRAM rate 4000MTS Training FAILED DDRINFO: start DRAM init DDRINFO: DRAM rate 4000MTS DDRINFO:ddrphy calibration done DDRINFO: ddrmix config done DDR configured as single rank SEC0: RNG instantiated Normal Boot WDT: Started watchdog@30280000 A detailed tutorial on DDR4 SDRAM Initialization, Training and Calibration. Nov 24, 2014 · DDR3 components and schematic are identical, but layout is somewhat different in that we have all 4 chips on the top of the board. 4. I have VisionFive2 board and I’m currently going through the u-boot and Linux porting to that board. I have modified defconfig file to use SPL and perform DDR calibration during SPL. The SPL build is optional but if your U-Boot needs more RAM than the i. 0-devel+git. MX8 MSCALE SERIES DDR Tool Release (V2. bin bs=1024 skip=1. Generate the payload executable. 10 per the Bootloader for Arria10 instructions on RocketBoards), I get errors complaining about the symbol file format (I believe it is DWARF5 vs the previously used DWARF4 symbols) such as this when running the "run-u-boot. now you need to clean the source of your bitbake target for it to work. In fact the uboot that I am using works on both DDR chips. For Board #2, the calibration sometimes fails Jun 12, 2012 · calibration is recommended for setting the right VCC/2 bias for the DDR2 signals. What I'd like to know is, would it be possible to support multiple DDR calibration values to accommodate for multiple DDR versions/references inside the DCD table ? Jun 15, 2015 · There is no script file need if you are use u-boot, because u-boot can initial DDR controller itself. This document describes how to configure the double data rate (DDR) memory in U-Boot, running on the NXP QorIQ platform, using the DDR tool included in QorIQ Configuration and Validation Suite (QCVS). 78-ga. Exploring topics such as Read/Write Training, ZQ Calibration, Vref Training, Read Centering, Write Centering, Write Leveling and Periodic Calibration. you should see the new files in your "mychange" recipe. we run DDR calibration and got the updated values. Hi Yuri, Thank you for the reply. . Input following command to U-BOOT prompt to invoke tool. exe. MX7D SABRE board. in u-boot i am downloading ddr-test-uboot-jtag-mx6dl. While on serial connection I am able to see the u-boot banner and 5 options; option 4 being for entering u-boot CLI but I cannot access it no Clone of upstream U-Boot repo with patches for Arm development boards - ARM-software/u-boot Mar 6, 2014 · To apply i. After DDR3 Calibration, writing and reading DDR3 memory using CCS scripts worked well. c'. The u-boot mkimage tool is what places these commands where they need to be. Jul 9, 2014 · If we end up needing to run calibration on every board, doing DDR calibration on every board in production puts a huge time burden on our production flow, so we are considering ways to automate the DDR calibration in the software that runs on the board, so that it will calibrate itself on the first boot. Than we performed the tests with i. For me it required a lot of falgs before it started May 13, 2019 · to the new release of u-boot (2018. Unfortunately, I'm unable to use the serial connection to control or interrupt the boot process. ddr calibration. systemverilog. Using BSP V2. Please look at the next command from the enclosed DDR2 init script : // Enable ZQ calibration to tightly control the impedance of the DDR IO pads Aug 21, 2023 · U-Boot SPL 2022. We would need to calibrate the DDR3 memories with our prototype device. u-boot> go 0x00907000. test failed as i shown above. MX6D and i. 14. 0 Kudos Was this article . Jump to solution ‎03-06-2014 01:56 AM. For Board #2, the calibration sometimes fails The DDR calibration routines are gated by conditionals for the i. MX 8M Mini processor, what is the purpose of using the mscale ddr tool to generate DDR calibration values? I have an i. Source code for such calibration is found at 'arch/arm/mach-imx/mx6/ddr. MX6 has on board, you will need it to set up the DDR3 chips and then copy the U-Boot files over to the DDR3 memory. But after that aso my U-boot prompt doesn't came up and It stucked at bel Mar 26, 2024 · Hi, I accidentally bricked my RE200 V5 trying to update it (wrongly selected Load Boot Loader code then write to Flash via TFTP). Is there a similar DDR3 s Nov 16, 2017 · The calibration test is successful also stress test is successful. The scripts in there have a different syntax: "memory set" in the document is "setmem" in the built-in scripts. cfg) and its DDR calibration tool values (Skhynix H5TC2GB3FFR PBA). 1 from i. cfg file with the highlighted values of the DDR calibration values ? Any more changes to do ? Regards, Peter. The board is running fine with the old u-boot version. Mar 6, 2024 · U-Boot SPL 2022. io/ddr4-i nitialization-and-calibration 申请翻译授权中,如有侵权,将会删除 引言 Introduction Dec 11, 2015 · Error: failed during ddr calibration ##### my test is failed even though SI analysis for DDR is cleared. Attachments. MX 8M Family DDR stress test tool is a Windows-based software tool that is used as a mechanism to verify that the DDR initialization is operational for use with u-boot and OS bring-up. We already tried to backport from u-boot-toradex Clone of upstream U-Boot repo with patches for Arm development boards - ARM-software/u-boot Sep 19, 2019 · Hello , I have followed the same manual for early release IO and created peripheral and core rbf and specified peripheral in bsp-editor. ddr validation. In our case this will be u-boot, so that will be generated next. Jan 10, 2017 · I have questions about issues running U-boot on a custom-built board using Micron MT41K256M16TW-107 DDR3 and AM3358BZCZ100. MX6SDL and i. Please see the following comparison in Sabre Lite . The boards has exact DDR footprints (like density, bus width and so on). I have a 4 custom boards based on iMX6SL (2) Micron DDR and (2) Samsung DDR. If it is i. cpio. Thanks & Regards Novice Dec 23, 2021 · 2. In the sd card , i have loaded both core and peripheral rbf. Double check your DCD configuration. qcvs. For Board #1, the calibration always succeeds. ds" debugger script: Oct 24, 2024 · The i. bin intermediate file, and update helper. Feb 23, 2024 · To recap for anyone else that comes across this particular problem, the solution was to update soc. The firmware available in the TP-Link website comes without the bootloader, judging by the filename Jan 14, 2023 · U-Boot SPL 2021. So why is that ? Though I r i. 51 to calibrate the DDR, running from an SD card, using the following commands in u-boot: u-boot> dcache off. Inside DDR Tool both calibration and DDR test pass successfully. 6. 1. cfg file (#include "1066mhz-4*128m*16. Is it okay? or, my procedures somethings wrong? <test procedure> 1. board, which was used as reference for custom board. fine-tunes the behavior of the MMDC controller in order to improve. => dcache off => icache off Dec 29, 2016 · Hi all, We are building a product, which is based on i. Jun 5, 2023 · When I run newer versions of U-Boot (such as 2022. Looking at the u-boot source code, I believe u-boot trains and calibrates the DDR memory every time it boots up. The tools returned different calibration values for each Oct 11, 2019 · DDR calibration failure will sometimes causing the resetting CPU. However, I can receive text on the console. i am following this procedure. I'm looking into updating its flash memory using a Raspberry Pi Pico and the procedure described here, but I can't seem to find the original bootloader image. The board boots up and runs using the SabreSD DDR calibration values provided in the Yocto U-boot & Kernel, but we are seeing some instability problems so we tried running the DDR3 Stress Tester 1. 04+gd1528947bd (Sep 06 2021 - 08:48:23 +0000) pca9450_bind: 'pca9450@25' - found regulators subnode pmic_bind_children for 'pca9450@25' at node offset: 5064 Bound: 0 children for PMIC: 'pca9450@25' pca9450_bind: pca9450@25 - no child found pmic_reg_write: reg=c, value=29 priv->trans_len:1, ret=0 pmic_reg_write: reg Mar 23, 2016 · I used the DDR Stress Tool V2. zip (where 'xxx' is the current version number) and follow the Jun 11, 2023 · Hello OpenWrt Community, I'm encountering issues with my Notion R0121 OpenWRT router, which has a non-standard web interface that lacks essential controls compared to the usual Luci interface. i am able to download u-boot through ARM DS-5 with init script from Sabresd board. u-boot> icache off. MX8M B0 silicon. Nov 13, 2020 · We’re facing temperature related DDR stability issues that have been fixed by Toradex in BSP 2. Jun 22, 2023 · When I run newer versions of U-Boot (such as 2022. Product Forums 22. It is highly appreciated if anyone could help me to achieve my present milestone. If I use . 3. non valid DDR configuration file Mfg-tool pass on with execution to . how Jun 11, 2020 · The DDR controller starts the calibration while the PLL has not finished its initialization, which puts the DDR controller in default and prevents the proper execution of U-Boot. Given that u Apr 23, 2018 · Hi Pankaj. only with bin file with valid DDR calibration configuration. 60 I have a couple of questions: 1. 0) Build: Aug 1 2017, 17:33:25 NXP Semiconductors. Contribute to nxp-imx/uboot-imx development by creating an account on GitHub. ds" debugger script: May 1, 2023 · Hello, For the i. u-boot. Generation and signing of the next stage boot loader. mak to fully pad all the DDR firmwares, append the padded firmware to the u-boot-spl-ddr. 3. Sep 4, 2017 · When I execute DDR stress test tool from U-BOOT, write leveling calibration worked by fixed setting as following log. I need help to boot my custom SoC using the Arria10 as the FPGA. 3,347 Views Does this mean that DDR are calibrated in uboot Jan 20, 2016 · I built Android 5. I re-ran the DDR tools twice for each boards, entered the same information. MX U-Boot. So I guess it would be nice to get OpenWRT running on this device. DDR calibration coefficients should be put in folder for corresponding. The results from calibration were different from that mentioned in Aug 16, 2022 · Hi guys, we just got a bootlog of the M1200 Cudy-Model which is sold as AC1200 mesh. The values in calibration tool is completely different with the cfg file values. Full U-Boot then executes from the DDR3. May 25, 2017 · 1) I have done DDR stress test and calibration using DDR stres test tool v2. Add DDR3 calibration code for i. xlsx. MX 8M Mini processor that runs u-boot. qoriq ddr. 40 and got the calibration result, now I need to apply this change into u-boot, otherwise my custom board can't run correctly, i found u-boot source code is different from the version before Sep 24, 2019 · Just noticed that you're using u-boot 2017, PHYS_SDRAM_SIZE is not used for MX6SLEVK. Oct 31, 2016 · Solved: I have done calibration using DDR calibration tool on imx6q sabresd board. c to deal w/ the memory offsets IMEM_LEN, DMEM_LEN and fw_offset. First I start CubeMX (using the ubuntu image provided on one of your workshops) and under tools i choose the DDR Test Suite and select a prebuilt "u-boot-spl. 15fa90038d82 (Jan 31 2024 - 13:09:35 +0000) DDRINFO: start DRAM init DDRINFO: DRAM rate 4000MTS Training FAILED DDRINFO: start DRAM init DDRINFO: DRAM rate 4000MTS DDRINFO:ddrphy calibration done DDRINFO: ddrmix config done DDR configured as single rank SEC0: RNG instantiated Normal Boot WDT: Started watchdog Jan 10, 2017 · Part Number: AM3359 Hi, I have questions about issues running U-boot on a custom-built board using Micron MT41K256M16TW-107 DDR3 and AM3358BZCZ100. Please guide if there is any suggestion. You can modify u-boot to initial DDR controller registers. then you need to clear the working directory of your modified u boot and finish devtool reset u-boot-imx. With u-boot method, I get : 0x42280228. bin of=u-boot-nopad. 10) and the RAM calibration seems correct: Jun 28, 2024 · Hi, I had a look at the document. 03-00008-g7ade5b4). We inserted the RAM data in to this excel file: MX8M_LPDDR4_RPA_v22. 0. MX6 DDR Stress Tester User’s Guide" May 23, 2017 · So I have been running two methods to calibrate DDR on our product (imx6Solo based board - 2x512 MB = 1GB of DDR3), the one with GUI based tool and the one with u-boot. bin file to 0x907000 and ruuning. Mar 28, 2016 · I used the DDR Stress Tool V2. 0". [05010C07][05010C0A] DDR Calibration DQS reg = 00008988 U-Boot 1. An example is under board/mx6ullevk/imximage. To install the DDR Stress Test, save and extract the zip file mscale_ddr_tool_vXXX_setup. And I'm referring to the nitrogen6X uboot files and which files and locations should I edit using calibrations values ? Apr 8, 2019 · I am dealing with DDR calibration on iMX6UL EVK. uboot but fails on jump because of memory. Aug 16, 2017 · Linux u-boot ported the PHYs and EMIF parameters from Hardware team which prepared them using DDR vendor datasheet. Dec 17, 2020 · devtool update-recipe -a sources/meta-mychanges u-boot-imx. Jun 8, 2016 · dd if=u-boot. May 19, 2017 · 2) Correct me if I'm wrong, but at the start, the DDR is initialized with values read from the DCD table located in the first 4KB of the U-boot binary. ===== 一文了解 DDR4 中的初始化(Initialization)、内存训练(Training )以及校准(Calibration),简称 ITC。(ITC 只是译者自己想的缩写)。 原文地址: https://www. 04) in our custom board running on i. Apr 11, 2016 · Configuring DDR in U-Boot using QCVS. If u-boot can access DDR memory correctly, we can assume the value you write to DDR controller is OK. I then tried calibrating at 300MHz (see calibration result in this post), and was able to run the stress test overnight. You may be able to refer to the K2hk gel file included in CCS package (ccsv6/ccs_base/emulation/boards/xtcievmk2x/gel) for the parameters used to configure DDR3, but I am not sure how it behaves when applied on DDR3A. This code. 8b4: Toradex System/Computer on Modules - Linux BSP Release . the signal integrity and memory stability. – Dec 25, 2018 · We're using RPA Tool V18 and DDR Tool V1. gz. 3 (Mar 14 2022 - 10:05:05) Board: Ralink APSoC DRAM: 128 MB mtest end addr: 87f29f88 relocate_code Pointer at: 87f8c000 flash manufacture id: 20, device id 40 18 find flash "Das U-Boot" Source Tree. I need to understand the DRAM training and DRAM initialization code flow in u-boot source code. 09 (Sep 22 2018 - 07:29:05) MPU 1000000 kHz L3 main 400000 kHz Main VCO 2000000 kHz Per VCO 2000000 kHz EOSC1 25000 kHz HPS MMC 50000 kHz UART 100000 kHz DDR: Initializing Hard Memory Controller DDR: Triggerring emif_reset DDR: emif_reset triggered successly DDR: Triggerring emif_reset DDR: emif_reset triggered successly DDR Jan 13, 2015 · Then I re calibrate the DDR at 400Mhz and replaced MPDGCTRL0, MPDGCTRL1 , MPRDDLCTL PHY0 , MPWDDLCTL PHY0 with new values, u-boot started working. May 14, 2019 · to the new release of u-boot (2018. MX6SL variants with DDR3. 04-6. Below is the attached calibration report: ===== DDR Stress Test (2. This patch set makes use of the dynamic DDR calibration routines added in commit Jul 14, 2021 · I am trying to verify my build environment by building the U-boot code samples to be able to run the DDR Tuning tests. stm32-stm32mp157c-dk2- Aug 23, 2023 · Hi, I need DRAM training and calibration code or any tool used for VisionFive2 board. Jan 12, 2021 · Hi, I own a MT7688AN 128mb ram, with 16mb nor flash BY25Q128AS router like device that I managed to install openWRT on it (It's the ceality wifi box). However, after a failed sysupgrade it is now in a semi-bricked state, it is on a constant bootloop. 03-4. The imx processors generally boot with . cfg. use u-boot. I don't know why, but the results are quite different, especially for the Read DQS Gating calibration (MPDGCTRL0 PHY0). MX8MSCALE DDR Tool Release to generate LPDDR4 init code in ARRAY format for u-boot-2018. vydym hfaxb lwwk itswww opj rdgue zkp amluoj ala fcgvv