Sorry for the noise, everyone. I swapped the CF card to another board and everything works perfectly. It must be a hardware problem somewhere.
Thanks again to Dmitry for suggesting the board driver. -Jonathan > On Aug 3, 2015, at 12:25 PM, Eisch, Jonathan D [PHYSA] <jei...@iastate.edu> > wrote: > > Hello Dmitry, > > I hadn’t tried that, but the VME7807 has the same configuration registers so > I should have. > > I am able to load that driver successfully, and I’ve checked to make sure the > registers are the correct, but it doesn’t change the behavior of the board. > I still don’t get any access to the VME bus. > > I also double checked that the switches on the VME 7807 are set properly, and > they are all set to their default configuration, which is known to work with > the GE drivers. > > -Jonathan > >> On Aug 1, 2015, at 4:32 PM, Dmitry Kalinkin <dmitry.kalin...@gmail.com> >> wrote: >> >> It seems that GE does some extra FPGA trickery for VME. Could it be that you >> need vmivme7805 driver? >> >>> On 01 Aug 2015, at 01:28, Eisch, Jonathan D [PHYSA] <jei...@iastate.edu> >>> wrote: >>> >>> Hello DriverDev, >>> >>> I recently installed the latest Debian with Kernel 3.16 including all the >>> vme drivers (and vme_user in staging) on a GE VME7807RC. Using Martyn >>> Welch’s example from 12 March 2013 on this list as a guide, I tried reading >>> out 32 bytes from one of my boards, but I just got a bunch of 0xFF bytes. >>> >>> I monitored the bus with a diagnostics board, and didn’t see any activity >>> at all (no addresses, no data) from power-up through booting and trying to >>> read from the bus. Attempting the same reads with another VME7807 using >>> the GE provided driver lit up the same diagnostics board like a christmas >>> tree (well, the lower 16 bits). >>> >>> I hope I’m missing something basic, as I don’t see any error messages >>> anywhere to guide my way. >>> >>> Thanks for your help, >>> -Jonathan >>> >>> $ sudo modprobe vme_ca91cx42 >>> $ sudo modprobe vme_user bus=0 >>> $ dmesg | grep vme >>> [ 632.942457] vme_ca91cx42 0000:01:0d.0: found PCI INT A -> IRQ 14 >>> [ 632.942523] vme_ca91cx42 0000:01:0d.0: Board is the VME system controller >>> [ 632.942526] vme_ca91cx42 0000:01:0d.0: Slot ID is 0 >>> [ 632.942529] vme_ca91cx42 0000:01:0d.0: CR/CSR Offset: 0 >>> [ 632.942533] vme_ca91cx42 0000:01:0d.0: Slot number is unset, not >>> configuring CR/CSR space >>> [ 632.942537] vme_ca91cx42 0000:01:0d.0: CR/CSR configuration failed. >>> [ 640.990642] vme_user: module is from the staging directory, the quality >>> is unknown, you have been warned. >>> [ 640.991404] vme_user: VME User Space Access Driver >>> $ sudo ./vmetest >>> Simple VME User Module Test >>> WARNING: Only read 32 bytes >>> 0000: ff ff ff ff ff ff ff ff >>> 0008: ff ff ff ff ff ff ff ff >>> 0010: ff ff ff ff ff ff ff ff >>> 0018: ff ff ff ff ff ff ff ff >>> >>> $ cat main.c >>> /* >>> * main.c >>> * >>> * Created on: Jul 29, 2015 >>> * >>> * Copied from: >>> http://driverdev.linuxdriverproject.org/pipermail/driverdev-devel/2013-April/037460.html >>> * >>> */ >>> >>> #define _XOPEN_SOURCE 500 >>> #include <stdio.h> >>> #include <stdlib.h> >>> #include <sys/ioctl.h> >>> #include <sys/types.h> >>> #include <sys/stat.h> >>> #include <fcntl.h> >>> #include <unistd.h> >>> #include "vme_user.h" >>> int main(int argc, char *argv[]) >>> { >>> int fd; >>> int i; >>> int retval; >>> unsigned char data[512]; >>> >>> struct vme_master master; >>> >>> printf("Simple VME User Module Test\n"); >>> >>> fd = open("/dev/bus/vme/m0", O_RDONLY); >>> if (fd == -1) { >>> perror("ERROR: Opening window device file"); >>> return 1; >>> } >>> // master.enable = 1; >>> // master.vme_addr = 2*0x8000000; >>> // master.size = 0x100000; >>> // master.aspace = 0x4; // VME_A32 >>> // master.cycle = 0x2000 | 0x8000; // Unprivileged data access >>> // master.dwidth = 0x4; // 32 bit word access >>> master.enable = 1; >>> master.vme_addr = 0xE000; >>> master.size = 0x1000; >>> master.aspace = 0x1; // VME_A16 >>> master.cycle = 0x2000; // Unprivileged data access >>> master.dwidth = 0x2; // 16 bit word access >>> >>> retval = ioctl(fd, VME_SET_MASTER, &master); >>> if (retval != 0) { >>> printf("retval=%d\n", retval); >>> perror("ERROR: Failed to configure window"); >>> return 1; >>> } >>> >>> /* >>> * Reading first 32 bytes >>> */ >>> for (i=0; i<32; i++) { >>> data[i] = 0; >>> } >>> >>> retval = pread(fd, data, 32, 0); >>> if (retval < 512) { >>> printf("WARNING: Only read %d bytes", retval); >>> } >>> >>> for(i=0; i<retval; i++) { >>> if (i % 8 == 0) { >>> printf("\n""%4.4x: ", i); >>> } >>> printf("%2.2x ", data[i]); >>> } >>> printf("\n"); >>> >>> close(fd); >>> >>> return 0; >>> } >>> >>> >>> ---- >>> Jonathan Eisch >>> Research Associate >>> Physics & Astronomy >>> Iowa State University >>> _______________________________________________ >>> devel mailing list >>> de...@linuxdriverproject.org >>> http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel >> > > _______________________________________________ > devel mailing list > de...@linuxdriverproject.org > http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
