uCLinux for PPC: Bug in autoconf.h creation
I would suspect CRLF issues.. Try running dos2unix on your arch/ppc/platforms/xilinx_auto/auto-config.in and then defaulting all your settings with make menuconfig to regenerate your kernel .config and config headers. - aidan Simon Jung wrote: I am trying to build a uCLinux Distribution for PowerPC following the instructions on http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux/uclinux_powerpc/ http://www.itee.uq.edu.au/%7Ejwilliams/mblaze-uclinux/uclinux_powerpc/ make menuconfig works well but the created file /linuxppx-2.4.x/include/linux/autoconf.h has errors: The created #defines for integer and string types are mistyped the closing bracket / quote is written into a newline. Example: #define CONFIG_XILINX_PPC405_0_DISABLE_OPERAND_FORWARDING (1 ) #define CONFIG_XILINX_PPC405_0_DETERMINISTIMULT (0 ) #define CONFIG_XILINX_PPC405_0_MMU_ENABLE (1 ) #define CONFIG_XILINX_PPC405_0_DCR_RESYNC (0 ) #define CONFIG_XILINX_PPC405_0_INSTANCE ppc405_0 #define CONFIG_XILINX_PPC405_0_HW_VER 2.00.c #define CONFIG_XILINX_ON1_DMA_MASTER_0_INSTANCE on1_dma_master_PPC How can I correct the generation of autoconf.h ? Greetings, Simon Jung ___ Linuxppc-embedded mailing list Linuxppc-embedded at ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
Linux on Virtex4
Rick Moleres wrote: There's also a Linux 2.4 patch provided with the ML403 PPC reference design on the Xilinx website (http://www.xilinx.com/products/boards/ml403/reference_designs.htm) that takes care of a Virtex-4 PPC cache issue (CCR0 register). Have you applied this? Rick, which cache issue are you referring to? I tried setting the CCR0 bits in accordance with: Solution 10: CPU_213: Incorrect data might be flushed from the data cache but that didn't fix things in my case for the Avnet FX12 MiniModule. I'm pretty sure that the FX12-MM strikes: Solution 13: The return of a cacheline transaction that is not target word first (non-target word first) can cause data corruption in the PPC405 Core data cache in Virtex-4 FX devices. For which the only solutions mentioned are to run without caches or get a fixed chip. As I understand it, the memory controller for this board must be on the OPB because the memory is 16-bit. Is there any way to move the memory controller to the PLB thus avoiding the cache problem (for RAM at least)? - aidan
Linux on Virtex4
It's a cute little board isn't it! In getting this board going we had to work around a silicon bug which caused data corruption and forced us to run with caches off. See Solution 13: http://www.xilinx.com/xlnx/xil_ans_display.jsp?iLanguageID=1iCountryID=1getPagePath=20658 Check your PVR .. I found that exercising the memory with a small C program reliably caused the board to crash. My previous post including a patch for this board: http://ozlabs.org/pipermail/linuxppc-embedded/2006-April/022583.html .. and we're using the UartLite. - aidan Martin, Tim wrote: I have been working with a small module made by Memec/Avnet (FX12MM1-BASE) that has a Virtex-4 FX12 with some DDR SDRAM, a Gigabit Ethernet PHY, some FLASH, etc. I am using EDK 8.1 and generated the BSP for MontaVista 3.1 preview kit (which is based on the 2.4.20 kernel). This works, but occasionally panics while booting (doesn't panic all the time, maybe 1/3 the time). Examples of good boot and 2 crash boots below. We are using a root filesystem over NFS, and the panics seem to always be after the file system is mounted. I'm not sure if it is NFS related or not. I have also been working with the paulus 2.6 kernel tree (and I have tried the MVL linux-xilinx-26 tree), but have not been able to get the kernel to boot. The primary problem there is that we are using the uartlite instead of the full uart, and the patches I have found for uartlite support don't work. I can get the early serial messages to work, but I don't know enough about the console and serial core to get everything else working. I am also getting panics that seem to be non-serial related, but I haven't tracked it down yet. So two questions: 1) Is there anything obvious from the kernel panics below that I should be looking for? Just the answer linux 2.4.20 is really fricken old, upgrade is probably the right answer. 2) Does anyone have working UartLite support on a Virtex-4 FX12 design? Examples of 2.4.20 good: id mach(): done MMU:enter MMU:hw init MMU:mapin MMU:mapin_ram done MMU:setio MMU:exit Linux version 2.4.20_mvl31-v4fx12 (ahamel at uhflinux) (gcc version 3.3.1 (MontaVista 3.3.1-3.0.10.6 setup_arch: enter setup_arch: bootmem Xilinx Virtex-II Pro port (C) 2002 MontaVista Software, Inc. (source at mvista.com) arch: exit On node 0 totalpages: 16384 zone(0): 16384 pages. zone(1): 0 pages. zone(2): 0 pages. Kernel command line: root=/dev/nfs nfsroot=192.168.1.1:/opt/montavista/previewkit/ppc/405/target4 Xilinx INTC #0 at 0x4120 mapped to 0xFDFFF000 Calibrating delay loop... 197.01 BogoMIPS Memory: 63268k available (1092k kernel code, 340k data, 60k init, 0k highmem) Dentry cache hash table entries: 8192 (order: 4, 65536 bytes) Inode cache hash table entries: 4096 (order: 3, 32768 bytes) Mount-cache hash table entries: 1024 (order: 1, 8192 bytes) Buffer-cache hash table entries: 4096 (order: 2, 16384 bytes) Page-cache hash table entries: 16384 (order: 4, 65536 bytes) POSIX conformance testing by UNIFIX Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket LSP Revision 42 ikconfig 0.5 with /proc/ikconfig Starting kswapd Disabling the Out Of Memory Killer devfs: v1.12c (20020818) Richard Gooch (rgooch at atnf.csiro.au) devfs: boot_options: 0x1 pty: 256 Unix98 ptys configured xgpio #0 at 0x4002 mapped to 0xC500 xgpio #1 at 0x4004 mapped to 0xC5011000 xgpio #2 at 0x4006 mapped to 0xC5022000 xilinx_spi: got major number 254 xilinx_spi0 at 0x4080 mapped to 0xC5033000, irq=29 RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize loop: loaded (max 8 devices) XTemac: Device instance #0 found eth0: XTemac: using fifo direct interrupt driven mode. eth0: XTemac: PHY detected at address 4. eth0: Xilinx TEMAC #0 at 0x8040 mapped to 0xC5044000, irq=28 eth0: XTemac: id 1.0f, block id 5, type 8 NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP, IGMP IP: routing cache hash table of 512 buckets, 4Kbytes TCP: Hash tables configured (established 4096 bind 8192) eth0: XTemac: Options: 0xb8f0 eth0: XTemac: We renegotiated the speed to: 1000 eth0: XTemac: speed set to 1000Mb/s Sending DHCP requests ., OK IP-Config: Got DHCP answer from 192.168.1.1, my address is 192.168.1.75 IP-Config: Complete: device=eth0, addr=192.168.1.75, mask=255.255.255.0, gw=192.168.1.1, host=192.168.1.75, domain=, nis-domain=(none), bootserver=192.168.1.1, rootserver=192.168.1.1, rootpath= NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. Looking up port of RPC 13/2 on 192.168.1.1 Looking up port of RPC 15/1 on 192.168.1.1 VFS: Mounted root (nfs filesystem). Mounted devfs on /dev Freeing unused kernel memory: 60k init serial console detected. Disabling virtual terminals. init started: BusyBox v0.60.2 (2004.04.30-17:49+) multi-call binary
Linux 2.4 Kernel on Xilinx Virtex4 FX100's PPC
Anantharaman Chetan-W16155 wrote: Has anyone successfully ported a Linux 2.4 Kernel on a Xilinx Virtex-4 FX series FPGA?s, PPC405 processor? Yes, see http://ozlabs.org/pipermail/linuxppc-embedded/2006-April/022583.html Note that there are silicon bugs that prevent caches being used in some chips. More specifically, the FX100 FPGA? I don't have one of those, sorry. - aidan
Xilinx Virtex-2 PRO FPGA ppc 405 on ML310 board
Vincent Winstead wrote: But I still have nothing working with the ML310 board. I did a dow image.elf at the XMD command prompt, then con and it showed up with a RUNNING prompt, but nothing showed up on the hyperterminal window. I compiled using 115200 baud and I changed my hyperterminal to match this, but nothing shows up ...at all. Where do you think I would need to start looking to resolve this issue? Ensure that your hardware is working by running one of the xilinx-supplied demo programs on your design that outputs stuff from the serial port (e.g. the memory tester). If nothing comes out, check your hardware design carefully, check your serial port settings (e.g. flow control), etc. I would also read up on serial port block you are using and its linux driver. For example, if you're using the uartlite, it could be that your hardware and software don't agree on the baudrate. e.g. See drivers/char/xilinx_uartlite/xuartlite.h :- * @file xuartlite.h * * This component contains the implementation of the XUartLite component which is * the driver for the Xilinx UART Lite device. This UART is a minimal hardware * implementation with minimal features. Most of the features, including baud * rate, parity, and number of data bits are only configurable when the hardware * device is built, rather than at run time by software. - aidan
Xilinx Virtex-2 PRO FPGA ppc 405 on ML310 board
After generating a new auto-config.in using the BSP, you'll need to: 0. put new auto-config.in into kernel directory linux-2.4.x/arch/ppc/platforms/xilinx_auto 1. change to the top uClinux-dist directory (*NOT* the kernel directory) 2. In Vendor/Product Selection --- Choose Xilinx Choose powerpc-auto 3. In Kernel/Library/Defaults Selection --- Choose linux-2.4.x as your kernel, making sure that this is a symlink to or copy of the linuxppc-2.4 tarball from UQ. 4. In Kernel/Library/Defaults Selection --- Choose [*] Default all settings (lose changes) 5. Save and quit.. This process will pull in default Xilinx/powerpc config files from vendors/Xilinx/powerpc-auto/config.* for the kernel and for other uClinux components. It will also generate a new linux-2.4.x/.config based on your auto-config.in and the defaults in vendors/Xilinx/powerpc-auto/config.linux-2.4.x. btw, I don't have an ML310 board. I have however gotten the UQ kernel + uclinux to work on a v2pro FF1152 board and a virtex-4 FX-12 minimodule. another btw, the linuxppc-2.4 code has an auto-config.in inside it which, if you follow the above steps (without doing step 0), should compile. The supplied auto-config.in won't match your board, but it should at least compile. - aidan Vincent Winstead wrote: guess what - I got the BSP to work! But now I have a problem with the make command. I put the auto-config.in where it needs to be then I did a make menuconfig to configure it, then I did a make dep, but when I did a make is when an error came up that I can't seem to figure out: In file included from /home/ml310_linux/uClinux-dist/linuxppc-2.4/include/linux/pagemap.h:16, from /home/ml310_linux/uClinux-dist/linuxppc-2.4/include/linux/locks.h:8, from /home/ml310_linux/uClinux-dist/linuxppc-2.4/include/linux/blk.h:5, from init/main.c:25: /home/ml310_linux/uClinux-dist/linuxppc-2.4/include/linux/highmem.h: In function `kmap': /home/ml310_linux/uClinux-dist/linuxppc-2.4/include/linux/highmem.h:68: error: `CONFIG_KERNEL_START' undeclared (first use in this function) init/main.c: In function `start_kernel': init/main.c:393: error: `CONFIG_KERNEL_START' undeclared (first use in this function) make[1]: *** [init/main.o] Error 1 make[1]: Leaving directory `/home/ml310_linux/uClinux-dist/linuxppc-2.4' make: *** [linux] Error 1 This CONFIG_KERNEL_START is the problem. It doesn't seem to be defined anywhere and I guess it needs to be. Is this something I need to get from somewhere? Or is it maybe generated along with the BSP so I would have to put a start number into the platform Studio configuration? -Vincent */Aidan Williams /* wrote: Vincent Winstead wrote: Now, as far as step 5, am I supposed to have a symbolic link that is named linux-2.4.x placed into the uClinux-dist directory? Because there's already a folder named linux-2.4.x which was in there already when I untarred everything. At the command prompt in the uClinux-dist directory I entered the following line: ln -s ../linuxppc-2.4 linux-2.4.x and the result of this operation was to put a symbolic link into my linuxppc-2.4 directory with the name of linux-2.4.x - is this correct? First, you'll need to move the existing directory aside using a command like: mv linux-2.4.x linux-2.4.x-dist and then re-run the ln -s command above. Now on to Step 6 problem. How am I supposed to make use uClinux EDK Board Support Package 1.0 files? I'm not sure how to go about using them in the Xilinx Platform Studio in order to generate the necessary auto-config.in file. See the document below for the general approach: Even though it is about the microblaze rather than the PPC, a helpful getting started document is: http://www.itee.uq.edu.au/~wu/downloads/uClinux_ready_Microblaze_design.pdf Look particularly at the section Software Platform Settings on page 29, steps 67,68. If you are not overly familiar with the EDK, it would be best to find someone locally who can help walk you through the process of generating a system. - aidan -- This email and any attachments may be confidential. They may contain legally privileged information or copyright material. You should not read, copy, use or disclose them without authorisation. If you are not an intended recipient, please contact us at once by return email and then delete both messages. We do not accept liability in connection with computer virus, data corruption, delay, interruption, unauthorised access or unauthorised
Xilinx Virtex-2 PRO FPGA ppc 405 on ML310 board
Vincent Winstead wrote: Now, as far as step 5, am I supposed to have a symbolic link that is named linux-2.4.x placed into the uClinux-dist directory? Because there's already a folder named linux-2.4.x which was in there already when I untarred everything. At the command prompt in the uClinux-dist directory I entered the following line: ln -s ../linuxppc-2.4 linux-2.4.x and the result of this operation was to put a symbolic link into my linuxppc-2.4 directory with the name of linux-2.4.x - is this correct? First, you'll need to move the existing directory aside using a command like: mv linux-2.4.x linux-2.4.x-dist and then re-run the ln -s command above. Now on to Step 6 problem. How am I supposed to make use uClinux EDK Board Support Package 1.0 files? I'm not sure how to go about using them in the Xilinx Platform Studio in order to generate the necessary auto-config.in file. See the document below for the general approach: Even though it is about the microblaze rather than the PPC, a helpful getting started document is: http://www.itee.uq.edu.au/~wu/downloads/uClinux_ready_Microblaze_design.pdf Look particularly at the section Software Platform Settings on page 29, steps 67,68. If you are not overly familiar with the EDK, it would be best to find someone locally who can help walk you through the process of generating a system. - aidan -- This email and any attachments may be confidential. They may contain legally privileged information or copyright material. You should not read, copy, use or disclose them without authorisation. If you are not an intended recipient, please contact us at once by return email and then delete both messages. We do not accept liability in connection with computer virus, data corruption, delay, interruption, unauthorised access or unauthorised amendment. This notice should not be removed.
Xilinx Virtex-2 PRO FPGA ppc 405 on ML310 board
Grant Likely wrote: If you use 2.4: You need to use rsync to get the linuxppc-2.4 tree because I don't think anyone is maintaining .tar.gz of the rsync snapshot. Email Tom Rini and ask him. The linuxppc-2.4 tree is special because it's one of the trees that actually has the ML300 patches integrated. Mainline does not. For 2.4, I've had good success on two different boards using the v2pro and virtex4 parts with: http://www.itee.uq.edu.au/~pml/uclinux_powerpc/ The kernel tarball there has support for various xilinx supplied peripheral cores.. The neat thing about this approach is that there is a uclinux BSP for the EDK that is used to generate an auto-config.in file which you then drop directly into the linux kernel tree. Even though it is about the microblaze rather than the PPC, a helpful getting started document is: http://www.itee.uq.edu.au/~wu/downloads/uClinux_ready_Microblaze_design.pdf - aidan
