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Dear Michal, and any one else interested :) I performed all of the steps carefully, - downloaded latest kernel source code (without futex) from git repository of petalogix: git://developer.petalogix.com - created system.dts using device_tree , copied system.dts into kernel source code, /arch/microblaze/boot/dts/ and /arch/microblaze/platform/generic and also renamed system.dts to platform.dts and copied it again into /arch/microblaze/boot/dts/ - In base system: Barrel shifter, hardware multiplier, integer devider, MSR, Pattern comperator, Full PVR , 8 kbytes cache - in base system: all exceptions are enabled, MMU is set to VIRTUAL mode - make mmu_defconfige - make menuconfig - touch rootfs.cpio ( in the root folder of kernel source code ) - make simpleImage.platform all done successfully. - simpleImage.platform & simpleImage.platform.ub created. Now: 1- using XMD i load simpleImage.platform on the board, here are the results: after this command: dow simpleImage.platform , we get this: XMD% dow simpleImage.platform System Reset .... DONE Downloading Program -- simpleImage.platform section, .text: 0xc0000000-0xc022b1f7 section, .ref.text: 0xc022b1f8-0xc022be87 section, .cpuinit.text: 0xc022be88-0xc022cd13 section, .meminit.text: 0xc022cd14-0xc022cfb3 section, .devexit.text: 0xc022cfb4-0xc022d0cf section, .devinit.text: 0xc022d0d0-0xc022dc33 section, .init.text: 0xc02d8000-0xc02eddb7 section, .init.ivt: 0xc02eec34-0xc02eec9b ERROR: Failed to download ELF file I-Side Memory Access Check Failed Section, 0xc0000000-0xc022b1f7 Not Accessible from Processor I-Side Interface what is the reason? I can guess, the reason is MMU. but should i set any additional address values for MMU while configuring the kernel? obviously i dont have such an address 0xc0000000 in my system. but i see this value in .config file inside kernel. nor mmu_defig neither any other process seems to change this value. 2- using U-boot, we have still the same problem is before: Filename 'image.ub'. Load address: 0x44800000 Loading: ################################################################# ################################################################# ################################################################# ############### done Bytes transferred = 3080280 (2f0058 hex) U-Boot-mONStR> bootm 0x44800000 - 0x44780000 ## Booting kernel from Legacy Image at 44800000 ... Image Name: Linux-2.6.30 Image Type: MicroBlaze Linux Kernel Image (uncompressed) Data Size: 3080216 Bytes = 2.9 MB Load Address: 90000000 Entry Point: 90000000 Verifying Checksum ... OK Loading Kernel Image ... OK OK every thing freezes here!!! What is the problem this time? do you have any idea? Thanks > Date: Wed, 21 Oct 2009 08:55:37 +0200 > From: michal.simek@xxxxxxxxxxxxx > To: microblaze-uclinux@xxxxxxxxxxxxxx > CC: microblaze-linux-dev@xxxxxxxxxxxxxx > Subject: Re: [microblaze-uclinux] Kernel boot problem ( Michael Simek Wiki ) > > Hi Sadri, > > first of all just Michal - no worries about and please do not apology. > > some my comments below. > > Mohammad Sadegh Sadri wrote: > > Hi all, > > > > according to this reference from Michael : "Mainline linux kernel for > > Microblaze" available at http://www.monstr.eu/wiki/doku.php?id=fdt:fdt i > > have built the linux kernel. > > I'll have to update my page. > > > > > I have downloaded the latest version of code for all of the packages > > from Michael's web based git repository. > > I think you are not able to use latest our master branch because you have older toolchain > If you want to use our master branch at > http://developer.petalogix.com/git/gitweb.cgi?p=linux-2.6-microblaze.git;a=summary > > please do not use microblaze: futex support patch - you can revert it or use older version. > > > > > > I have done all of the specified steps in the Wiki carefully. > > Unfortunately the kernel stops working completely at initial step. > > > > Base system is built using EDK 11.2, SP2 > > Microblaze version is 7.20.b : > > - barrel shifter : active > > - floating point unit : disabled > > - Integer multiplier : 32 bits > > - integer devider : active > > - machine status register instructions : acitve > > - Pattern comperator : active > > - cache : 8kbytes data and instruction , cache line length : 4 > > - MMU : active , mode 3 (VIRTUAL) > > - processor version registers (PVR) : FULL > > > > microblaze is running at 50MHz and DRAM controller at 100MHz, and > > hardware is working properly. > > > > Boot process : fsboot ----> U-BOOT ----> Linux kernel > > Linux version : latest available version from Michael Simek's gir > > repository. > > u-boot required config files and device tree generated with latest > > available BSPs by Michael. using DTC I make system.dtb according to > > Michaels documents. > > > > Linux kernel configuration: ( note : when i download the kernel source > > code from gir repository i see that there is no default config ) > > There are two defconfigs in arch/microblaze/configs/ > > > > I do the steps specified in the Wiki exactly : just i mention the > > differences with what Michael says > > > > - CONFIG_KERNEL_BASE_ADDR = 0x44800000 ( because my DDR SDRAM > > Controller base address is 0x44000000 ) > > - CONFIG_XILINX_MICROBLAZE_FAMILY = "spartan3" ( instead of "virtex5" > > which is the default ) > > - CONFIG_XILINX_MICROBLAZE_USE_HW_MUL=1 ( instead of 2 because i use a > > 32bits multiplier ) > > - CONFIG_XILINX_MICROBLAZE_USE_FPU = 0 ( because i dont have any FPU ) > > - CONFIG_XILINX_MICROBLAZE_HW_VER = "7.20.b" ( my microblaze version ) > > - I also enable MMU in kernel configuration > > - i do not enter any commands to be passed to kernel > > - I enable the xilinx uart lite driver to be added to the kernel > > - I say that the console should come up on uart lite ( ttyUL0 ) > > run > make mmu_defconfig > make menuconfig -> Platform option -> setup your parameters > (It should work any kernel base addr but I am using/testing ddr base addr) > copy your platform.dts file to arch/microblaze/boot/dts/ > touch rootfs.cpio -> just fake cpio image > and run make simpleImage.platform > > then you find in arch/microblaze/boot folder some files > 1. simpleImage.platform > 2. simpleImage.platform.ub > > > ad 1. load bitstream to your board , run this xmd.ini > connect mb mdm > dow simpleImage.platform > run > exit > > You should be able to see output on console -> then you can fight with rootfs. > > ad 2. load that ub image via u-boot and run > just > tftp XXXXXXXXX simpleImage.platform.ub > bootm XXXXXXXX > > then you should be able to see the same output as for previous image > > If not- read log buffer to see what wrong is. > > > > > Making the u-boot image for kernel: > > I use exactly the same command as what michael has specified in his Wiki. > > > > RESULT: > > fs-boot brings up u-boot at memory location 0x47fc0000 > > using u-boot i do the following: > > - tftp 0x44780000 system.dtb > > - tftp 0x44800000 image.ub > > - bootm 0x44800000 - 0x44780000 > > > > what happens is as follows: > > U-Boot-mONStR> bootm 0x44800000 - 0x447800000 > > ## Booting kernel from Legacy Image at 44800000 ... > > Image Name: ICTI LInux kernel > > Image Type: MicroBlaze Linux Kernel Image (uncompressed) > > Data Size: 1593860 Bytes = 1.5 MB > > Load Address: 44800000 > > Entry Point: 44800000 > > Verifying Checksum ... OK > > XIP Kernel Image ... OK > > OK > > > > From log I see that you don't have support for booting multiple images. > That's why your kernel not work. > > > Regards, > Michal > > > > and the system stops working completely!!! > > would you please provide me with some guesses through your previous > > experiments that what can be the cause of this phenomenan? > > Thanks > > Mohammad > > > > > > ------------------------------------------------------------------------ > > Less clicking: Hotmail access on the new MSN homepage. > > <http://go.microsoft.com/?linkid=9677398> > > -- > Michal Simek, Ing. (M.Eng) > PetaLogix - Linux Solutions for a Reconfigurable World > w: www.petalogix.com p: +61-7-30090663,+42-0-721842854 f: +61-7-30090663 > ___________________________ > microblaze-uclinux mailing list > microblaze-uclinux@xxxxxxxxxxxxxx > Project Home Page : http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux > Mailing List Archive : http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/ > Lots of fantastic offers on Windows 7, in one convenient place. Get a deal on Windows 7 now |