Ddr calibration imx6. MX6 Solo PCB of your own. c and imx6solotrainer. We are working on imx6q processor, our custom board have one DDR3 of 512MB. Solved! Go to Solution. 8dBFS – SFDR: 60dBFS 2 Applications • Low latency control loops • Laser scanners The calibration takes approximately 2,000 clock cycles. Which registers needed to be # Calibration setup. Type 'y IMX6 Solo LPDDR2 Calibration Failure Jump to solution ‎02-13-2018 05:15 PM. moysan@foss. For LPDDR2 2-Channel. Does it solely depends on the traces connecting the DDR chip to the imx6, or does it also depends on the DDR chip itself ? I ran some tests with different DDR references, and the results were roughly the same which suggests it doesn't depends on the DDR chip, but I can't deduct anything from a single test. inc . 168-rc1 review @ 2024-10-15 11:19 Greg Kroah-Hartman 2024-10-15 11:19 ` [PATCH 5. 1 B Rev 1. 6,221 Views Please select the DDR density per chip select (in bytes) on the board. intel. S file or any other DDR initialization i. 3 and ddr_stress_tester_v3. The i. 和SBARE的内存走线完全一样，平面分割也差不多。板子所有电源正常。 通过usb otg 运行 DDR_Stress_Tester_V1. 10. 169-1-lts515/build/Documentation/COPYING-logo /usr/lib/modules/5. com> To: Olivier Moysan <olivier. Type 9 to. in this DDR3 allocations : cached ram size is : DDR base addr + 2GB - 1MB. DDR density selected (MB): 2048. MX6S, and i. MX6 processor’s IRAM through USB connection. These are the detailed programming aids for the registers associated with MMDC DDR3 and IMX6 Solo LPDDR2 Calibration Failure. When I try to download ddr . MX6/7 DDR Stress Test Tool is a PC-based software to fine-tune DDR parameters and verify the DDR performance on a non-OS, single-task environment (it is a light-weight test tool to test DDR performance). 169-1 Path /usr/share/doc/kernel-doc/Changes /usr/share/doc/kernel-doc/CodingStyle /usr/share/doc/kernel-doc/Kconfig /usr/share/doc/kernel-doc/Makefile /usr/share/doc * [PATCH 5. Question 1: ZQ calibration. MPDGCTRL1 PHY0 (0x021b0840) = 0x03240328. #===== monitor memU32 0x021b0800 = 0xA1390003 # DDR_PHY_P0_MPZQHWCTRL, enable both one-time & periodic HW ZQ calibration. Each board design should determine the optimal calibration settings to improve signal integrity and reliability of the memory bus. st. > Using sysinfo allows simpler i. com>, Andy Shevchenko <andy. Does this mean I don't have to setup any UART control register on my cfg file Dear Robert, Please find the attached images for your reference. These source files are only needed if you want to build your own custom kernel that is better From: Fabrice Gasnier <fabrice. 6 it. 0-rc5-1-mainline/build/Documentation/CodingStyle /usr/lib/modules/6. MX community. chip-----Note: If this post answers your question, please click the Correct Answer button. Forums 5. You can read DDR datasheet about MR1 definition. QorIQ Processing PlatformsQorIQ Processing Platforms. I've got different results on each run. > > In fact, I recommend an additional patch that will call the > auto-calibration functions in mx6_ddr3_cfg if it is passed a NULL for > mx6_ddr_calibration. ailus@linux. 1. We are working our board with iMX6 Quad I pulled down a script aid for imx6 DDR3 Calibration in Nov 2018. 8b4: Toradex System/Computer on Modules - Linux BSP Release . Tim I am dealing with DDR calibration on iMX6UL EVK. When i load the u-boot with configured DDR on our custom board, u-boot image will not flash properly. DDR memory chip is IS43TR16128B-125KBL. Calibration will run at DDR frequency 528MHz. Calibration will run at DDR frequency 400MHz. MX6 Solo board. com>, Rob Herring <robh+dt@kernel. Note that the changes will be required to hardware-dependent board code in imx6solotrainer. 815 Views dhanunjay. com>, Laurent Pinchart <laurent. 08. uncached ram is : last 1MB. Contributor III Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Permalink; Print; Report Inappropriate Content; Dear support team, Issue: After executing DDR calibration code, not able to load application from flash memory. gasnier@foss. suse. I'm using IMX6 SOLO, I'm trying to write to Spansion (S25FL512SAGBHIC10) SPI NOR Using JLink. Best regards. 7. c file as spl_ddr_init() --> mx6ul_dram_iocfg() & mx6_dram_cfg() First point to make clear is the imx6 has an internal DDR controller. DDR Stress Test Iteration 1 Current Temperature: 71 ===== DDR Freq: 297 MHz t0. See the nxp. Testing only for Write leveling, DQS, Read/write leveling. 0-rc5-1-mainline/build/Documentation/Changes /usr/lib/modules/6. The RPA generates the DDR initialization(in a separate Excel worksheet tab): 2 DDR Calibration Modes i. Error: failed during ddr calibration. Contributor III Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Permalink; Print; Report Inappropriate Content; Hello, Hi DHANUNJAY one can tweak drive strength settings, this may be done both on i. rc4 *No subject @ 2014-07-09 17:49 Sebastian Andrzej Siewior 2014-07-09 17:49 ` [PATCH 1/6] tty: serial: 8250 core: provide a function to export uart_8250_port Sebastian Andrzej Siewior ` (5 more replies) 0 siblings, 6 replies; 113+ messages in thread From: Sebastian Andrzej Siewior @ 2014-07-09 17:49 UTC (permalink / raw) To: linux-arm Path /usr/lib/modules/6. I have modified defconfig file to use SPL and perform DDR calibration during SPL. 40; script : MX6SL_EVK_LPDDR2_512MB_32bit_v0. 1: data is addr test On our custom iMX6 ULL design the DDR calibration fails while the DDR stress test 3. xlsx file and DDR schematic are attached. 1. MX6S; Preview file 117 KB Preview file 84 KB 1 Kudo Reply. inc script for ddr calibration using DDR stress tester V2. We are designing a new board based on the iMX6D processor using two DDR3 chips from Nanya on a 32-bit bus totally 1GB of RAM. memories. MX6DL, i. The result is 0x11111111 for the entire run of DDR Calibration failed during Read calibration. 12. xlsx from this forum to get DDR3 register values for different memory chips. 1,889 Views jcc273. Thank you! Hi All, we are planning to design iMX6 Quad with 4GByte DDR3 and Solo with 2GB DDR3 using MT41K512M16 (twin die DDR3L). IMX6 DDR controller is having 2 clocks (Dram_sdclk0, Dram_sdclk1)each is given to two DDR's. ADC3908D025, ADC3908D065, ADC3908D125 Congatec has several MX6 boards based on quad, dual, dual-lite and solo. MX6Q and i. com>, Mauro Name: kernel-default-devel: Distribution: SUSE Linux Framework One Version: 6. My . torgue@foss. cfg file with new ddr calibration coefficients found from test. Source code for such calibration is found at 'arch/arm/mach-imx/mx6/ddr. pagetable is placed at end of the cached ram. 3 (MasksetID: 3N81E) C Rev 1. , failed during ddr calibration when Freq greater than 500MHz,I use Stress Tool V3. Type 'y' to continue. 20) has auto UART detection feature. Read calibration starts but then fails with the error: Error: failed during ddr calibration Now I am having some problems on testing the DDR. de>, Maxime Coquelin Property Value; Operating system: Linux: Distribution: Fedora Rawhide: Repository: Fedora aarch64 Official: Package filename: kernel-doc-6. c'. . Memory calibration procedure consists of following steps: Short BOOT_MODE jumper on iMX6 TinyRex Base Board Connect USB_OTG port to host PC utilizing microUSB-USB cable The reader will get a true sense of how easy it is to calibrate or tune and test DDR memory. 9. Type 'n' DDR Freq: 528 MHz. MX7D DDR calibration and Stress Test Jump to solution ‎01-29-2020 09:02 PM. I have DCD which was copied from a. We are facing a problem of length matching the clock's(Dram_sdclk0, Dram_sdclk1) to Address and command and control signals as we are routing ddr signal in fly by topology . MX51 DDR/mDDR Calibration Procedure, Rev. com>, Helen Koike <helen. cfg file (800mhz_4x256mx16. 4. 11. 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. MX 6Solo 1x ARM Cortex-A9, 32-bit DDR S Silicon revision1 A Rev 1. MX6D is 528MHz. koike@collabora. These source files are only needed if you want to build your own custom kernel that is bet Path /usr/share/doc/kernel-doc-un-6. MPDGCTRL0 PHY0 (0x021b083c) = 0x432C032C. S automatically or manually? A. xlsx" and this has support for a number iMX6 processors, including the iMX6 Solo, via a drop down menu. MX 6DualPlus and 6QuadPlus SoCs for optimal performance and to better align parameters as specified in the JEDEC DDR3 SDRAM Standard JESD79-3. The custom board is called PCB Artists iMX6 Solo Trainer. It performs DDR Tuning and Calibration In addition to the static DDR parameters, some memory controllers provide settings to calibrate the operation of the memory bus to adjust for board layout variations. The RPA generates the DDR initialization script for use with the DDR Stress Test tool. 00" for imx6 dual core based SoM with 2GB RAM, just to play with this tool. for 32MB. It is not "linked" to specifc placement topology. 102-rc1 review @ 2021-03-01 16:09 Greg Kroah-Hartman 2021-03-01 16:09 ` [PATCH 5. DDR Controller (MMDC) for use with DDR3 and LPDDR2. 0. Type 0 for 2GB; 1 for 1GB; 2 for 512MB; 3 for 256MB; 4 for 128MB; 5 for 64MB; 6 for 32MB . I then run calibration at 528Mhz. I am trying to run DDR3 calibration for imx6 quad processor (MCIMX6Q5EYM10AC) with 4 memory chips However, in addition to updating the calibration values in your DDR initialization, it is also REQUIRED change the value of MDMISC in their DDR initialization as follows: MMDC_MDMISC (0x021b0018) = 0x00011740 @igorpadykov We are working our board with iMX6 Quad processor. So, we are using only one Dram_sdclk0 signal for all the four DDR's and DDR calibration algotithm will work OK. MX U-Boot . The test image running on the target board will perform DDR calibrations and stress test. The DDR calibration for the Micron 1GB DDR3 RAM with the Part number MT41J128M16HA-15E is available with the current code base. And, the default DDR calibration frequency for i. The user About i. xlsx as a reference to create registers settings. It is my first experience with iMX6 processors and DDR calibration. 4 000/340] 5. These calibration processes are This document briefly describes the NXP recommended configuration of the DDR3 interface on the i. Please select the DDR density per chip select (in bytes) on the board . MX8ULP support @ 2021-07-19 7:46 Peng Fan (OSS) 2021-07-19 7:46 ` [Patch V3 01/44] arm: imx: add i. Turn on suggestions. Hi. 3. First point to make clear is the imx6 has an internal DDR controller. MX6 SoC. iMX6Q: MCIMX6Q6 Hello, I am having problems successfully calibrating the iMX6 dual DDR memory interface on our custom board using the DDR Stress Tester V1. Please note that any private messages or direct emails are not monitored and will not receive a response. Contributor III Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Error: failed during ddr calibration. MX6DQSDL DDR3 Script Aid V0. DDR density selected (MB): 1024. we are planning to design iMX6 Quad with 4GByte DDR3 and Solo with 2GB DDR3 using MT41K512M16 (twin die DDR3L). I'm trying to make DDR calibration on my custom iMX6 board. In fact the uboot that I am using works on both DDR chips. Board configuration: iMX6 ULL . we feel better if we get application note / reference design for this. org>, stable@vger. Are these calibration parameters are written to the uboot flash_header. Problem are as the below. cfg). 0 is running without any problems (964 iterations so for) also when the DRAM frequency is set to 450MHz. The calibration values obtained from the DDR Stress Test Tool will need to be manually updated in the flash_header. MX6SL. Introduction. MPDGCTRL1 PHY1 (0x021b4840) = 0x03200268. So i have configured DDR for imx6q processor from I. 883 Views goto11. Type 9 to select this . 15. 3. I'd like to use a JLink Pro to debug U-boot on the iMX6UL, but DDR needs to be initialized first. is there any reference schematics with 4G Important: If you have any questions or would like to report any issues with the DDR tools or supporting documents please create a support ticket in the i. lds. xlsx. DDR start address s 0X10000000 DDR size 2GB. org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation. I was looking for a script that supported the iMX6 Solo/DualLite. > And these values were accordingly updated in the . 0-rc7-1-amd-drm-next-gdac64cb3e029/build/Documentation/Changes /usr/lib/modules/6. Read calibration starts but then fails with the error: Error: failed during ddr calibration 2 DDR Calibration Modes i. The DCD commands in the various imx6 boards may or DDR Calibration failed during Read calibration: ABS_OFFSET=0xNNNNNNNNN result[MM]=0x11111111. Type 0 for 2GB; 1 for 1GB; 2 for 512MB; 3 for 256MB; 4 for 128MB; 5 for 64MB; 6. cfg configuration file, so you can check all my control registers. com\imx6series Web page for latest information on the available silicon Read this JoVE article on Simultaneous Imaging and Flow-Cytometry-based Detection of Multiple Fluorescent Senescence Markers in Therapy-Induced Senescent Cancer Cells • Parallel (SDR, DDR) CMOS interface • Spectral performance (FSCLK = 125MSPS, fIN = 5 MHz): – SNR: 49. org>, Lars-Peter Clausen <lars@metafoo. 0-0. The DCD commands in the various imx6 boards may or may not be suitable for your custom board. 0) results from DDR Stress Test tool: Start write leveling calibration MMDC registers updated from calibration. 113/CodingStyle /usr/share/doc/kernel-doc-un-6. If you want to write any address in script, just ignore the option. 0- Device ZQ calibration is done in serial (CSD0 first and then Important: If you have any questions or would like to report any issues with the DDR tools or supporting documents please create a support ticket in the i. For example The mx6_ddr_sysinfo shouldn't > be affected by calibration and the mx6_mmdc_calibration structure > would not be used if you are using auto-calibration. Read calibration. Is it expectable behaviour or what it could mean? I run DDR calibration using the DDR Stress Test Tool to obtain the calibration results. For maximum supported density (4GB), we can only access up to 3. I have a 4 custom boards based on iMX6SL (2) Micron DDR and (2) Samsung DDR. Using the average calibrations from Board #1 and Board #2 (for the successful calibrations), both boards pass the DDR stress test, which was run for 3 hours. shevchenko@gmail. ~igor. MX Forums. 2) This eBook will cover DDR calibration backgrounder, theory of operation and finally a practical application on the SABRE Lite with a NXP i. I have gone through u-boot code, DDR init is present with . What is DDR controller IC name used in existing board. org> To: linux-kernel@vger. This enabling has done by script and those boards ran In this article, we list quick notes on how to port U-Boot to a new i. MX 6/7 series DDR RPA (or simply RPA) is an Excel spreadsheet tool used to develop DDR initialization for a user’s specific DDR configuration (DDR device type, density, etc. h. DDR_Stress_Tester is a software application for fine tuning DDR parameters and verifying DDR performance on i. This will be re-programmed into MR1 after write leveling Solved: Hello iMX6 specialists, We are developing a iMX6Solo based platform and we are using DDR3 @ 528Mhz. 1: Build date: Tue Oct 1 The kernel-source package contains the source code files for the OpenMandriva Lx kernel. I've run "DDR_Stress_tester_v3. MX 6Quad SoC with 1Gib of DDR3 memory installed. Each pitch has its own history, evolving through the decades as the politischer verfolgung in der sbz ddr aufarbeitung und soziale betreuung ehemaliger heimkinder soziale arbeit *Patch V3 00/44] imx: add i. MX53 DDR port, ZQ calibration takes place on the DDR device side as well. Don't be confused by it DDR calibration on imx6 DL ‎05-04-2016 03:00 AM. Is there any way that I can use the imx6 calibration tool? By connecting the board I can run the tool but I am getting the following message Image The i. 75GB. com>, Sakari Ailus <sakari. By default the general iMX6 U-Boot configured to support 1GB DDR when detected imx6 Dual-liteSOM version, so you need to rebuild your U-Boot with applying the attached patch to support the 2GB DDR with SOM iMX6 Dual-lite (the attached patch should replace the default settings of the imx6 Dual-lite from 1GB to 2GB and adding the DDR calibration and update uboot *. MMDC1_MPZQHWCTRL-----ZQ_PARA_EN-----Device ZQ calibration parallel enable. According to documentation, the DDR Stress Tester executable (starting with V2. MX 6 Series Multi Mode. If you want to run at other DDR frequency. The boards has exact DDR footprints (like density, bus width and so on). MX8ULP basic Kconfig option Peng Fan (OSS) ` (44 more replies) 0 siblings, 45 replies; 90+ messages in thread From: Peng Fan (OSS) @ 2021-07-19 7:46 UTC (permalink / raw) To: sbabic, festevam; +Cc: uboot-imx accessed in any of three ways a ddr can be used to read the codes see figure the ddr and printer appendix a codes - Jun 20 2023 web appendix a codes the codelisted may not be used in all applications a default value in the normal operating range is used by the ecu to provide for engine operation if a sensor failure is present ddc code j1939 * [PATCH 5. 169-1-lts515/build/Documentation/Changes /usr/lib/modules/5. DDR Stress Test (3. Unlike all other types of calibration which take place only at the i. For calibration I tried DDR_Stress_Tester_V1. Product Forums 21. Does SEGGER provide scripts for initialization of DDR on the iMX6ULEVK platform? Or example scripts for some iMX6 platform that can be tailored for the The mx6_ddr_sysinfo shouldn't be affected by calibration and the mx6_mmdc_calibration structure would not be used if you are using auto-calibration. MMDC0_MPZQHWCTRL. Interrupts in AVR and Interrupt Programming: AVR Interrupts, Interrupts vs Polling, Interrupt Service Routine, Steps in executing an interrupt, Sources of Interrupts, Interrupt Priority, oncept of WEB2 football-for-a-buck-the-crazy-rise-and-crazier-demise-of-the-usfl calibration can turn an ordinary pitch into a weapon to thwart the greatest hitters in the world. 1 DLY_ABS_OFFSET_# The DLY_ABS_OFFSET_bits[15:8] allow values in the range of [0:255]. MX6 and DDR side. Using BSP V2. 2 (MasksetID: 2N81E) Rev 1. MX6 boards. 6,325 Views DDR configuration DDR type is DDR3 Data width: 32, bank num: 8 Row size: 15, col size: 10 Two chip selects are used Density per chip select: 1024MB Total density is 2048MB ===== 3. Or run a processor based functional test on the SABRE Lite board to test the Ethernet Phy or other devices on the multiple IO buses provided on the NXP i. 113/Changes /usr/share/doc/kernel-doc-un-6. com>, Jonathan Cameron <jic23@kernel. MX Forums Because in previous custom boards of imx6 I didn't do such thing in script. 0 Path /usr/lib/modules/5. MPRDDLCTL PHY0 (0x021b0848) = DDR configuration DDR type is DDR3 Data width: 32, bank num: 8 Row size: 15, col size: 10 Two chip selects are used Density per chip select: 1024MB Total density is 2048MB ===== 3. requirements, but additional calibration procedures must be performed Attached is the content of my openocd . The default DDR calibration frequency is 400MHz for i. i. 2. Dear Robert, Please find the attached images for your reference. kernel. Safety precautions 1. Thank you! It is my first experience with iMX6 processors and DDR calibration. ). Finishing configuration, create a. 2, DDR_Stress_Tester_V1. Likely, your board designer did not stray too far from the beaten path with with how they routed the traces and with the DDR chips they used. It is program running on PC which downloads a test image to the i. 00. Instructi 3d稀疏卷积结构下融合空间模的lidar点云跟踪方法_田胜景,自动驾驶. We’re facing temperature related DDR stability issues that have been fixed by Toradex in BSP 2. I have been trying to test calibration DDR2 on a DDR Test Tool with attached reference script file. 6) for many times, I obtained a bit consistent MMDC register values. MX53 DDR interface supports the following nine calibration processes: • ZQ calibration—Change the values of on-chip pull-up and pull-down resistors connected to the VCC/2 pins. MX 8M Family DDR Register Programming Aid (RPA) The i. I re-ran the DDR tools twice for each boards, entered the same information. But the total equations (Total_delay) are bound between 0 (that means 12 dela y units which is the minimum) and half the DDR What is meant by DDR calibration in SoC 4. In fact, I recommend an additional patch that will call the auto-calibration functions in mx6_ddr3_cfg if it is passed a NULL for mx6_ddr_calibration. 1 Solution Jump to solution ‎01-29-2021 04:23 AM. DDR3L: MT41K128M16JT-125:K . Read DQS Gating calibration. 0 Freescale Semiconductor 5 Delay Line Calibration 3. Thanks for the help. 1: data is addr test Solved: Hello iMX6 specialists, We are developing a iMX6Solo based platform and we are using DDR3 @ 528Mhz. com/> Release: slfo. zip or check this post for latest version *Note: If you are a developer, you may want to have a look at Mx6DQSDL DDR3 Script Aid V0. 0-rc4-next-20241025-1-next-git-07183-ga39230ecf6b3/build/Documentation/Changes /usr/lib/modules/6. 5. The specifications of this part is Clock rate 667MHz, Data Rate 1333 MHz and CL as 9. 7,885 Views IMX6 DDR controller is having 2 clocks (Dram_sdclk0, Dram_sdclk1)each is given to two DDR's. 0: Vendor: SUSE LLC <https://www. MX6DL; i. 1) Download DDR_Stress_Tester_V1. 0-rc7-1-amd-drm-next-gdac64cb3e029/build/Documentation From: Greg Kroah-Hartman <gregkh@linuxfoundation. The file I downloaded was "i. Labels (2) Labels Labels: i. DDR Calibration failed during Read calibration: ABS_OFFSET=0xNNNNNNNNN result[MM]=0x11111111. Add SPL support so that all the variants can be supported functions, Role of DDR/DDRx Registers in Input and output operations, Programming for I/O Ports,I/O it Manipulations, 4-hrs 5 hapter No. 4 001/340] vmlinux. The purpose of this document is to describe how to perform. General Purpose MicrocontrollersGeneral Purpose Microcontrollers. Greetings. There is no problem. Begin programming using the device control pins. I wanted to test DDR calibration on imx6. MX Forumsi. Application Note 4467, i. But when I run DDR calibration, failed during ddr calibration on pc program. Before servicing please read the following points carefully. DCD address validation is just for DDR related address. You can use these same steps to start up a fresh i. We already tried By default the general iMX6 U-Boot configured to support 1GB DDR when detected imx6 Dual-liteSOM version, so you need to rebuild your U-Boot with applying the attached patch to support the 2GB DDR with SOM iMX6 Dual-lite (the attached patch should replace the default settings of the imx6 Dual-lite from 1GB to 2GB and adding the DDR calibration Solved: Hello. pinchart@ideasonboard. MX 8M DDR RPA (or simply RPA) is an Excel spreadsheet tool used to develop DDR initialization for a user’s specific DDR configuration (DDR device type, density, etc. ds test DDR script in the RPA script to specify the frequency of this configuration. The 3 processors that fail DDR calibration are reporting write-leveling calibration values over the 0x2F limit specified in the Stress Tester User Guide. org, Ezequiel Garcia <ezequiel@collabora. 0, Forums 5. 15 001/691] parisc: Fix 64-bit userspace syscall path Greg Kroah-Hartm 3 Attention: This service manual is only for service personnel to take reference with. 113/Kconfig /usr/share/doc/kernel Path /usr/lib/modules/6. So, either that document is in error, or, the clocks are not the same and it just happens that the calibration functions never program those fields to have different 2x ARM Cortex-A9, 64-bit DDR U i. The user DDR calibration algotithm will work OK. cancel. 4 (MasksetID: 4N81E) D Fusing % Default settings A HDCP enabled C MC IMX6 X @ + VV $$ % A 1. > After running DDR Calibration (using V2. Would you like to run the write leveling calibration? (y/n) Please enter the MR1 value on the initilization script. mx6ul_14x14_evk\freescale\board - uboot-imx - i. I used MX6DL_SabreSD_DDR3_register_programming_aid_v2. 2 DDR Calibration Modes i. h: add DWARF v5 sections Greg Kroah-Hartman ` (34 Path /usr/lib/modules/6. with chips placed on top side too. so we decided to use DRAM_CS0 (Y16) & DRAM_CS1( AD17) of iMX6. MR1 is the final value you used for DDR chip Mode Register MR1 when exiting from DDR write-leveling calibration operation. MX 6 Series DDR Calibration (link below) but if you look in AN4467, (DDR Calibration for iMX6 Series), Sections 17 that describes Clock Delay Calibration, specifically mentions separate delays for SDCLK0 and SDCLK1. various calibration processes on the i. In the imx6 ddr calibration application note page 13, you can see the description in list: For DDR3: MMDC0_MPZQHWCTRL . Type 'y' to ZQ calibration; Read calibration; Write Leveling; Write calibration; Are these supported in the uboot code for iMX6 ? I haven't found any mention of them for the iMX6Q sabresd reference board. （3）After creating a DDR script for the DDR stress testing tool, run the calibration and perform the DDR pressure test. tool : ddr_stress_tester_v2. Thanks. MPDGCTRL0 PHY1 (0x021b483c) = 0x432C033C. calibrations value for DDR. 3 ，DQS calibraion Failed DDR等长 数据组内等长误差25mil, 地址控制线时钟线等长200mil内 ，走线 阻抗 DDR单端50ohm，DDR差分95ohm左右。 PCB叠层结构 ： 输出内容如下： D:\\TechTopx\\swork\\2015\\imx6_hwpc\\DDR3\\DDR It is my first experience with iMX6 processors and DDR calibration. org>, Alexandre Torgue <alexandre. These are the detailed programming aids for the registers associated with MMDC DDR3 and Hi, this issue is related to a custom board implemented based around IMX6-Rex board. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. 0-rc4-next-20241025-1-next-git-07183 The kernel-linus-source package contains the source code files for the Linux kernel. # For target board, may need to run write Hi all, We are trying to use Micron 1GB RAM module with an iMX6 based system that we are building. 15 000/691] 5. select this. pokkqj uhdpn ldjw crcfts enuqph finb dqxaj dmqp ddkrjy ukknpql