X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fsk98lin%2Fskvpd.c;fp=drivers%2Fnet%2Fsk98lin%2Fskvpd.c;h=eb3c8988ced135656a8e9ef55dd63f847a187c7c;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=1e662aaebf84a3c32c624d67f18b49bbc053a9ba;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git diff --git a/drivers/net/sk98lin/skvpd.c b/drivers/net/sk98lin/skvpd.c index 1e662aaeb..eb3c8988c 100644 --- a/drivers/net/sk98lin/skvpd.c +++ b/drivers/net/sk98lin/skvpd.c @@ -22,7 +22,7 @@ ******************************************************************************/ /* - Please refer skvpd.txt for information how to include this module + Please refer skvpd.txt for infomation how to include this module */ static const char SysKonnectFileId[] = "@(#)$Id: skvpd.c,v 1.37 2003/01/13 10:42:45 rschmidt Exp $ (C) SK"; @@ -132,6 +132,65 @@ int addr) /* VPD address */ #endif /* SKDIAG */ +#if 0 + +/* + Write the dword 'data' at address 'addr' into the VPD EEPROM, and + verify that the data is written. + + Needed Time: + +. MIN MAX +. ------------------------------------------------------------------- +. write 1.8 ms 3.6 ms +. internal write cyles 0.7 ms 7.0 ms +. ------------------------------------------------------------------- +. over all program time 2.5 ms 10.6 ms +. read 1.3 ms 2.6 ms +. ------------------------------------------------------------------- +. over all 3.8 ms 13.2 ms +. + + + Returns 0: success + 1: error, I2C transfer does not terminate + 2: error, data verify error + + */ +static int VpdWriteDWord( +SK_AC *pAC, /* pAC pointer */ +SK_IOC IoC, /* IO Context */ +int addr, /* VPD address */ +SK_U32 data) /* VPD data to write */ +{ + /* start VPD write */ + /* Don't swap here, it's a data stream of bytes */ + SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL, + ("VPD write dword at addr 0x%x, data = 0x%x\n",addr,data)); + VPD_OUT32(pAC, IoC, PCI_VPD_DAT_REG, (SK_U32)data); + /* But do it here */ + addr |= VPD_WRITE; + + VPD_OUT16(pAC, IoC, PCI_VPD_ADR_REG, (SK_U16)(addr | VPD_WRITE)); + + /* this may take up to 10,6 ms */ + if (VpdWait(pAC, IoC, VPD_WRITE)) { + SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR, + ("Write Timed Out\n")); + return(1); + }; + + /* verify data */ + if (VpdReadDWord(pAC, IoC, addr) != data) { + SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR | SK_DBGCAT_FATAL, + ("Data Verify Error\n")); + return(2); + } + return(0); +} /* VpdWriteDWord */ + +#endif /* 0 */ + /* * Read one Stream of 'len' bytes of VPD data, starting at 'addr' from * or to the I2C EEPROM. @@ -669,7 +728,7 @@ char *etp) /* end pointer input position */ * 6: fatal VPD error * */ -static int VpdSetupPara( +int VpdSetupPara( SK_AC *pAC, /* common data base */ const char *key, /* keyword to insert */ const char *buf, /* buffer with the keyword value */ @@ -1089,3 +1148,50 @@ SK_IOC IoC) /* IO Context */ return(0); } + + +/* + * Read the contents of the VPD EEPROM and copy it to the VPD buffer + * if not already done. If the keyword "VF" is not present it will be + * created and the error log message will be stored to this keyword. + * If "VF" is not present the error log message will be stored to the + * keyword "VL". "VL" will created or overwritten if "VF" is present. + * The VPD read/write area is saved to the VPD EEPROM. + * + * returns nothing, errors will be ignored. + */ +void VpdErrLog( +SK_AC *pAC, /* common data base */ +SK_IOC IoC, /* IO Context */ +char *msg) /* error log message */ +{ + SK_VPD_PARA *v, vf; /* VF */ + int len; + + SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_TX, + ("VPD error log msg %s\n", msg)); + if ((pAC->vpd.v.vpd_status & VPD_VALID) == 0) { + if (VpdInit(pAC, IoC) != 0) { + SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR, + ("VPD init error\n")); + return; + } + } + + len = strlen(msg); + if (len > VPD_MAX_LEN) { + /* cut it */ + len = VPD_MAX_LEN; + } + if ((v = vpd_find_para(pAC, VPD_VF, &vf)) != NULL) { + SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_TX, ("overwrite VL\n")); + (void)VpdSetupPara(pAC, VPD_VL, msg, len, VPD_RW_KEY, OWR_KEY); + } + else { + SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_TX, ("write VF\n")); + (void)VpdSetupPara(pAC, VPD_VF, msg, len, VPD_RW_KEY, ADD_KEY); + } + + (void)VpdUpdate(pAC, IoC); +} +