Load u boot with jtag software

Linux board porting series module 7 debugging uboot with jtag in ccs welcome to module 7 of the linux board porting online series. It presents a script that has been modified from the. This allows the loading of the linux kernel to happen in the lowerregions of ram, without conflicting with the current execution of uboot. Thank you very much for your reply, its openocd ver 0. Rzg1e u boot programming using jtag i need to download u boot to qspi memory using jtag, i am using rzg1e based board. Initially uboot spl will load, which will in turn load uboot.

Atmel jtag ice 3 or atmelice to connect to the swd port. From here i would resume the application to get to the uboot console and get the gdrelocaddr from bdinfo, but even single stepping into the program results in uboot becoming unresponsive, and the pc moving to address 0x0000000c. A fast and simple way to write new data to flash memory is via the use of a debugger or flash programmer with a bdm or jtag interface. The fpga2hps sdram interface if enabled in hardware design is not correctly configured by u boot which may cause hps to freeze. Is there any training material which shows how to load a fpga device image through uboot. Do every controller have some serial port which is capable to communicate with gdb. Repeat the steps for searching for the slave ratios for different ddr3 frequencies. Loading a fpga image using uboot is there any training material which shows how to load a fpga device image through uboot. It can be initiated by hardware such as a button press, or by a software command. Module 8 installing sdk and building kernel with debug symbols. This module is a recording of the presenter using code composer studio and an xds560 emulator to debug uboot on the beaglebone black platform. So, in theory, any jtag software that can talk to an arm920t can be. They were designed to help the early adopters make transitions as we switched from the freescale uboot 2009. This tcl script will script the flow that will be used to load the fsbl, u boot and kernel.

For the gsrd the selected method of programming the fpga is from u boot, with the image stored on the sd card. Immediately after the carambola 2 uboot partition is an area which contains uboot environment variables 1x 64 kib block, called ubootenv. Type dow data directoryuimage 0x8000 to download the linux kernel image uimage. At the u boot prompt press enter, and then enter the commands in sequence as shown in the following log. Hps soc boot guide cyclone v soc development kit 2016. Programming the fpga for the mitydspl8f, mityarm1808f, and mitydsp6748f, there are several ways to load the fpga following bootup, including. Used to put the hardware into a state suitable to boot an operating system, load the os into memory, and start the os booting. On the serial terminal, the autoboot countdown message appears.

Jons day job consists of enabling, bug fixing, and upstreaming the linux and uboot software for. Debugging using segger jlink jtag boundary devices. This module is a recording of the presenter using code composer studio and an xds560 emulator to debug u boot on the beaglebone black platform. Spi port which is connected to usb port, and jtag im having ice. I can test memory with jtag for the uboot regionfootprint. Running from flash would make it nearly impossible to read from flash while executing code from flash not to speak of updating the u boot image in flash itself. Follow u boot on gen2 documentation to build the latest version of u boot for the board. After it is switched on, a computers central processing unit cpu has no software in its main memory, so some process must load software into memory before it can be executed. Step 911 load all the kernel related files to the ddrram through tftp and bootm will start the boot. Immediately after the carambola 2 u boot partition is an area which contains u boot environment variables 1x 64 kib block, called u boot. This page presents the different fpga configuration options from hps software. This module is a recording of the presenter installing the sitara software development kit. Linux board porting series module 7 debugging uboot. Can somebody explain me the steps to have an uboot loading on.

Segger was kind enough to send us a jlink plus probe for us to test. This tutorial will show how to flash u boot on iomega iconnect using jtag. I just bought atf nitro and have activeted atf jtag on it. In order to make sure that the board wont boot on its own, you can configure the boot. Running uboot after loading it into ram via a jtag interface using codewarrior and the usb. Yes, it is possible most of the compilation structure at the end uboot provides a uboot. Connect jtag between p3 on the imx6ullsombsb development host and the host. Creating a text file with all of the desired commands is the first step in creating a u boot script. This boot flow requires ethernet on the baord and a tftp server boot your system into uboot, using one of boot methods e. That means that the procedure below will explain how to initialize the ddr using the jtag. To be able to do just that, u boot relocates itself to ram.

Connecting the uart through a terminal application e. To use openocd with your development projects, you need to do more than just connect the jtag adapter hardware dongle to your development board and start the openocd server. Possible to boot repair via jtag lumia 520 possible to boot repair via emmc tp possible to boot repair via jtag lumia 710 710. Programming the fpga arm9 based platforms critical. At this point, you should have uboot running in the target console. And the jtag port of the magiceyes, at boot time, behaves as the one of a classical arm920t i read somewhere that the 940 can be accessed in some situations. From here i would resume the application to get to the uboot console and get the gdrelocaddr from bdinfo, but even single stepping into the program results in uboot. Instruction how to getting started work with u boot. But if the footprint is large it will impact the production beat rate. I have a microzed board and would like to use uboot to load the fpga image and the linux kernel iteratively. The attached tcl script can be used in the xsct environment to automatically load and execute the required software component via a jtag interface.

Use the following commands to connect to the remote port. How can i boot uboot from the jtag on zynq ultrascale. Stop at the uboot prompt, configure networking and install the emcraft release kernel, dtb and rootfs. Music playing hi, and welcome to module 10, the final module of our linux board porting online series. Apr 12, 2010 in recent months i played with qemu emulation of an arm versatile platform board, making it run bare metal programs, the u boot boot loader and a linux kernel complete with a busyboxbased file system.

The values generated in the previous step are used in uboot for the software leveling process. Now the uboot is loaded again we need to reload the symbols based on the relocation offset we determined before. Linux board porting series debugging uboot with jtag in ccs. Uboot debug with jtag one of the challenges with uboot is that it relocates itself very soon after excecution, so that it can live in the upper regions of ram. The jtag port of the gp2x is in fact exactly the one of the magiceyes the main chip of the gp2x. This is the final in a series of three modules, which are centered around debugging uboot in code composer studio using jtag based debugging. First, you need to install the jlink tools from segger website.

Loading via cpu during the uboot phase of execution. If you are using an arm microcontroller with swd pins, you will need a dedicated programmer i. Users may load the fpga via jtag connector for initial testing and. All my uart ports are used, and im only having two options for download. Automatic booting from uboot stops and a command prompt appears on the serial. Starting with our vm from earlier we download and install java. The mkimage utility is required on a linux development system in order to create a valid u boot image from a script. Preloader will load u boot from qspi and run it, u boot will load linux from sd card. Linux board porting series module 7 debugging u boot with jtag in ccs welcome to module 7 of the linux board porting online series. In this video i go through a detailed description of how you prepare the u boot and the linux kernel for your zynq device. This answer record covers how to quickly test u boot over jtag to see if it can program a qspi flash which is marked as known to work in xilinx answer 65463 but not yet supported by xsdk and vivado.

Please refer to the script provided in ug17 in the loading pmu firmware in jtag boot mode section. Winusb 32 bit other drivers not include in here this is meant for new installation and software upgrade should download the files directly. It is compatible with the vivado design suite and xilinx software development kit. Description how can i boot uboot from the jtag on zynq ultrascale. Programming the fpga arm9 based platforms critical link. Mx 6ull som serial console using a terminal application. The ssbl contains far more features and allows to communicate with complex hardware like ethernet and software like tcpip systems. With the help of xilinx support i was able to figure out the steps that are needed to boot a full linux image via jtag, these xmd console commands are. Loading images with uboot loading images with uboot. About me jon mason is a software engineer in broadcom ltds ccx division.

This tutorial was written for avr microcontrollers with an arduino bootloader using icsp pins. Serial interface based on board pl2303 which originally was an usb cable for some old nokia phone. We therefore have two phases with different program addresses. Also, dont use this in rom or flash memory regions.

This module is a recording of the presenter installing the sitara software development kit sdk and rebuilding the linux kernel with debugging. This tutorial will show how to flash uboot on iomega iconnect using jtag. Nov 18, 2016 jtag is a useful tool that allows customers additional debugging options. All content and materials on this site are provided as is.

Mx 6ull som, perform the following steps to reload uboot. Note down the optimum value for each slave ratio and enter either in the gel file or the uboot code as described below. Recovering a platform recovering a gen2 platform is done by starting u boot via jtag and flashing u boot onto the board. Aio boot aio boot is a tool that can help you create a bootable usb with grub2, grub4dos, syslinux, clover an. The fpga2hps sdram interface can only be safely enabled from u boot, not from preloader or linux. Nov 24, 2014 in this video i go through a detailed description of how you prepare the u boot and the linux kernel for your zynq device. This blog post will describe how to setup your environment and use the jlink to debug during both u boot and kernel development. Booting linux with uboot on qemu arm freedom embedded. In the setup that was used for this article, it is a zynq mpsoc board. Resolved load uboot w jtag processors forum processors. Telnet to the openocd console and install the breakpoint at the address of interest.

So, the memory test presupposes that i have already tested the memory region where i expect to load and execute uboot. Load arm trusted firmware atf optional load linux collateral. If the fpga part is included, the os bootup breaks at xgpiops e000a000. Boot the board to the shell prompt with run bootcmd. It is based on my own experience as i broke u boot by improper flashing using serial cable and tftp server. Openocd is the software package that talks directly to the busblaster. Since this board supports only wayland graphical backend, the system is simpler. Jtag is a useful tool that allows customers additional debugging options. This way the hardware breakpoints we set next will actually work.

Recovering a platform recovering a gen2 platform is done by starting u boot via jtag and flashing u boot. Memory leak on hex load for pic32mx, revert back the intel programming. Uboot debug with xilinx sdk over jtag, zedboard devkit. Zynq training session 11 part ii compiling uboot and. In this module, im going to use the bootable multimedia card with tft pinging of the kernel that we set up in the previous module in order to set up a jtag based debugging session in code composer studio that we will use to debug the linux kernel. Enabling new hardware in uboot linux foundation events. Platform cable usb ii is a highperformance, reliable and userfriendly jtag cable from xilinx. In cases where there is no running firmware at all for instance on new hardware, this is usually the only way to install any software at all. Then i practically test the result of compilation on the zed board to. Usually at least part of the lowest level boot loader is promed into the system, but sometimes like in case of jtag could be external. In computing, booting is the process of starting a computer. Automatic booting from u boot stops and a command prompt appears on the serial. This cable is an effective tool for downloading designs to xilinx devices and debugging embedded firmware and software.

There are a lot of posts in this blog that describe the state of uboot for our i. In case you have accidentially erased uboot in the nand flash of the i. Download u boot image openwrtkirkwoodiconnect u boot. The following sections show how to debug uboot in both phases. This first step is to load an executable a copy of u boot into ram.

On the other hand, uboot image in carambola 2 from 8devices may have up to 256 kib 4x 64 kib block, they use uncompressed version and environment stored in flash. Linux board porting series module 7 debugging uboot with. I just cant find the correct nand driver for this nand samsung. This is the final in a series of three modules, which are centered around debugging u boot in code composer studio using jtag based debugging. A linux host system configured as per the linux host configuration page. Hi guys, this is my situation, im having custom board with bf548, and i want to download u boot.

When you see hit any key to stop autoboot on the console, press a key to stop auto boot, as shown below. Make sure you have installed the version of ccsv5 provided with the sitara sdk installed under sudo mode so the jtag drivers are installed with either temporary license or permanent license. Check if the u boot environment variable serverip is set your workstations ip. Re load uboot now that we have the relocation information so we can be ready to debug click run load reload program and allow the load to finish. On the other hand, u boot image in carambola 2 from 8devices may have up to 256 kib 4x 64 kib block, they use uncompressed version and environment stored in flash. At xsdb, download until u boot in jtag using the script zcu102. Ti and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose. Ok, uboot is imported into eclipse, now we need to setup jtag debugging.

Solution please refer to the script provided in ug17 in the loading pmu firmware in jtag boot mode section. The steps that ive come accross so far in my searching to do this is as follows. You also need to configure your openocd server so that it knows about your adapter and board, and helps your work. In this section, it is assumed your board doesnt boot to uboot automatically. Hi all, the following steps work with booting the design without programming the fpga section without line fpga f. Because of that i thought it would be good to also highlight uboot as. Do you confirm that jtag cant be used to program the flash memory. From there you need to download the jlink software and documentation.