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Altera_Forum's avatar
Altera_Forum
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19 years ago

Opencores I2C Core and uClinux Driver

I have added an Altera Avalon SOPC Builder I2C Master component based on the Opencores I2C Host.

http://via.dynalias.org/svn/fpga/cores/i2c_master/trunk/ (http://via.dynalias.org/svn/fpga/cores/i2c_master/trunk/)

Either download using the web, or use SVN to check out the project..

I simply created a wrapper for this and the necessary files to drop this component onto the Avalon bus, so I don't take any credit for this core. This will just make it easier for new people not wishing to go through this hassle.

Also, I am working on getting the uClinux driver up and running. There is an Opencores driver already included in 2.6.16.1, so I will just be modifying/testing that and posting the results here.

J

16 Replies

  • Altera_Forum's avatar
    Altera_Forum
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    19 years ago

    It is due to kernel version changed to 2.6.17 in uClinux-dist-20060803.

    I will check it tommorow.
  • Altera_Forum's avatar
    Altera_Forum
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    19 years ago

    Hippo,

    Did all that, and still get the following 

    make: Entering directory `/home/uclinux/uClinux-dist/linux-2.6.x'
  CHK     include/nios2_system.h
perl -I/home/uclinux/uClinux-dist/linux-2.6.x/arch/nios2nommu/scripts /home/uclinux/uClinux-dist/linux-2.6.x/arch/nios2nommu/scripts/gen_nios2_system.h.pl cpu ddr_sdram ext_flash < /windows/downloaded/std_2C35.ptf > include/nios2_system.h.tmp; if  && cmp -s include/nios2_system.h include/nios2_system.h.tmp; then rm -f include/nios2_system.h.tmp; else echo &#39;  UPD     include/nios2_system.h&#39;; mv -f include/nios2_system.h.tmp include/nios2_system.h; fi
  CHK     include/linux/version.h
  SPLIT   include/linux/autoconf.h -> include/config/*
  CHK     include/linux/compile.h
  CC      drivers/i2c/i2c-core.o
  CC      drivers/i2c/i2c-dev.o
  CC      drivers/i2c/algos/i2c-algo-bit.o
  CC      drivers/i2c/algos/i2c-algo-oc.o
drivers/i2c/algos/i2c-algo-oc.c:51: error: syntax error before string constant
drivers/i2c/algos/i2c-algo-oc.c:51: warning: type defaults to `int&#39; in declaration of `MODULE_PARM&#39;
drivers/i2c/algos/i2c-algo-oc.c:51: warning: function declaration isn&#39;t a prototype
drivers/i2c/algos/i2c-algo-oc.c:51: warning: data definition has no type or storage class
drivers/i2c/algos/i2c-algo-oc.c:374: error: unknown field `name&#39; specified in initializer
drivers/i2c/algos/i2c-algo-oc.c:374: warning: initialization from incompatible pointer type
drivers/i2c/algos/i2c-algo-oc.c:375: error: unknown field `id&#39; specified in initializer
drivers/i2c/algos/i2c-algo-oc.c:375: error: `I2C_ALGO_OC&#39; undeclared here (not in a function)
drivers/i2c/algos/i2c-algo-oc.c:375: error: initializer element is not constant
drivers/i2c/algos/i2c-algo-oc.c:375: error: (near initialization for `oc_algo.smbus_xfer&#39;)
drivers/i2c/algos/i2c-algo-oc.c: In function `i2c_oc_add_bus&#39;:
drivers/i2c/algos/i2c-algo-oc.c:391: error: structure has no member named `id&#39;
drivers/i2c/algos/i2c-algo-oc.c:385: warning: unused variable `oc_adap&#39;
make: ***  Error 1
make: ***  Error 2
make: ***  Error 2
make: ***  Error 2
make: Leaving directory `/home/uclinux/uClinux-dist/linux-2.6.x&#39;
make: ***  Error 1
uclinux@colinux:~/uClinux-dist$
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    19 years ago

    hippo,

    In the customise kernel settings --> device driver --> i2c

    When I added

    i2c algorithms --> Opencores i2c interface

    i2c hardware bus support --> opencores i2c adapter

    It gives error when generating the zImage

    Pls help.
  • Altera_Forum's avatar
    Altera_Forum
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    19 years ago

    Hippo,

    Tried that, still have problems: 

      CC      drivers/i2c/algos/i2c-algo-oc.o
drivers/i2c/algos/i2c-algo-oc.c:484: error: redefinition of &#39;i2c_debug&#39;
drivers/i2c/algos/i2c-algo-oc.c:66: error: previous definition of &#39;i2c_debug&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:500: error: redefinition of &#39;i2c_start&#39;
drivers/i2c/algos/i2c-algo-oc.c:82: error: previous definition of &#39;i2c_start&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:506: error: redefinition of &#39;i2c_repstart&#39;
drivers/i2c/algos/i2c-algo-oc.c:88: error: previous definition of &#39;i2c_repstart&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:512: error: redefinition of &#39;i2c_stop&#39;
drivers/i2c/algos/i2c-algo-oc.c:94: error: previous definition of &#39;i2c_stop&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:518: error: redefinition of &#39;wait_for_bb&#39;
drivers/i2c/algos/i2c-algo-oc.c:100: error: previous definition of &#39;wait_for_bb&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:542: error: redefinition of &#39;try_address&#39;
drivers/i2c/algos/i2c-algo-oc.c:124: error: previous definition of &#39;try_address&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:564: error: redefinition of &#39;oc_sendbytes&#39;
drivers/i2c/algos/i2c-algo-oc.c:146: error: previous definition of &#39;oc_sendbytes&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:602: error: redefinition of &#39;oc_readbytes&#39;
drivers/i2c/algos/i2c-algo-oc.c:184: error: previous definition of &#39;oc_readbytes&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:641: error: redefinition of &#39;oc_doAddress&#39;
drivers/i2c/algos/i2c-algo-oc.c:223: error: previous definition of &#39;oc_doAddress&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:711: error: redefinition of &#39;oc_xfer&#39;
drivers/i2c/algos/i2c-algo-oc.c:293: error: previous definition of &#39;oc_xfer&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:785: error: redefinition of &#39;oc_func&#39;
drivers/i2c/algos/i2c-algo-oc.c:367: error: previous definition of &#39;oc_func&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:792: error: redefinition of &#39;oc_algo&#39;
drivers/i2c/algos/i2c-algo-oc.c:374: error: previous definition of &#39;oc_algo&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:793: error: unknown field `name&#39; specified in initializer
drivers/i2c/algos/i2c-algo-oc.c:793: warning: initialization from incompatible pointer type
drivers/i2c/algos/i2c-algo-oc.c:794: error: unknown field `id&#39; specified in initializer
drivers/i2c/algos/i2c-algo-oc.c:794: error: `I2C_ALGO_OC&#39; undeclared here (not in a function)
drivers/i2c/algos/i2c-algo-oc.c:794: error: initializer element is not constant
drivers/i2c/algos/i2c-algo-oc.c:794: error: (near initialization for `oc_algo.smbus_xfer&#39;)
drivers/i2c/algos/i2c-algo-oc.c:803: error: redefinition of &#39;i2c_oc_add_bus&#39;
drivers/i2c/algos/i2c-algo-oc.c:383: error: previous definition of &#39;i2c_oc_add_bus&#39; was here
drivers/i2c/algos/i2c-algo-oc.c: In function `i2c_oc_add_bus&#39;:
drivers/i2c/algos/i2c-algo-oc.c:810: error: structure has no member named `id&#39;
drivers/i2c/algos/i2c-algo-oc.c:804: warning: unused variable `oc_adap&#39;
drivers/i2c/algos/i2c-algo-oc.c: At top level:
drivers/i2c/algos/i2c-algo-oc.c:822: error: redefinition of &#39;i2c_oc_del_bus&#39;
drivers/i2c/algos/i2c-algo-oc.c:399: error: previous definition of &#39;i2c_oc_del_bus&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:827: error: redefinition of &#39;i2c_algo_oc_init&#39;
drivers/i2c/algos/i2c-algo-oc.c:404: error: previous definition of &#39;i2c_algo_oc_init&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:834: error: redefinition of &#39;i2c_algo_oc_exit&#39;
drivers/i2c/algos/i2c-algo-oc.c:411: error: previous definition of &#39;i2c_algo_oc_exit&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:838: error: redefinition of &#39;__kstrtab_i2c_oc_add_bus&#39;
drivers/i2c/algos/i2c-algo-oc.c:415: error: previous definition of &#39;__kstrtab_i2c_oc_add_bus&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:838: error: redefinition of &#39;__ksymtab_i2c_oc_add_bus&#39;
drivers/i2c/algos/i2c-algo-oc.c:415: error: previous definition of &#39;__ksymtab_i2c_oc_add_bus&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:839: error: redefinition of &#39;__kstrtab_i2c_oc_del_bus&#39;
drivers/i2c/algos/i2c-algo-oc.c:416: error: previous definition of &#39;__kstrtab_i2c_oc_del_bus&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:839: error: redefinition of &#39;__ksymtab_i2c_oc_del_bus&#39;
drivers/i2c/algos/i2c-algo-oc.c:416: error: previous definition of &#39;__ksymtab_i2c_oc_del_bus&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:841: error: redefinition of &#39;__initcall_i2c_algo_oc_init&#39;
drivers/i2c/algos/i2c-algo-oc.c:418: error: previous definition of &#39;__initcall_i2c_algo_oc_init&#39; was here
drivers/i2c/algos/i2c-algo-oc.c:842: error: redefinition of &#39;__exitcall_i2c_algo_oc_exit&#39;
drivers/i2c/algos/i2c-algo-oc.c:419: error: previous definition of &#39;__exitcall_i2c_algo_oc_exit&#39; was here
make: ***  Error 1
make: ***  Error 2
make: ***  Error 2
make: ***  Error 2
make: Leaving directory `/home/uclinux/uClinux-dist/linux-2.6.x&#39;
make: ***  Error 1
uclinux@colinux:~/uClinux-dist$
  • Altera_Forum's avatar
    Altera_Forum
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    19 years ago

    I think your source is OVER patched. ?

    Did you remove old patchby reverser patch ?

    Check "update the patches" in the UclinuxDist wiki page.

    Now you should remove old uCLinux-dist dir, and reinstall.