char
pmc_verify_cksum (void *bufp)
{
FLD_TYPE1 *buf1 = bufp;
FLD_TYPE2 *buf2 = bufp;
u_int32_t crc1, crc2; /* CRC read from EEPROM */
/* Retrieve contents of CRC field */
crc1 = pmcGetBuffValue (&buf1->Crc32[0], sizeof (buf1->Crc32));
#ifdef EEPROM_TYPE_DEBUG
pr_info("EEPROM: chksum 1 reads as %08x\n", crc1); /* RLD DEBUG */
#endif
if ((buf1->type == PROM_FORMAT_TYPE1) &&
(pmcCalcCrc_T01 ((void *) buf1) == crc1))
return PROM_FORMAT_TYPE1; /* checksum type 1 verified */
crc2 = pmcGetBuffValue (&buf2->Crc32[0], sizeof (buf2->Crc32));
#ifdef EEPROM_TYPE_DEBUG
pr_info("EEPROM: chksum 2 reads as %08x\n", crc2); /* RLD DEBUG */
#endif
if ((buf2->type == PROM_FORMAT_TYPE2) &&
(pmcCalcCrc_T02 ((void *) buf2) == crc2))
return PROM_FORMAT_TYPE2; /* checksum type 2 verified */
return PROM_FORMAT_Unk; /* failed to validate */
}
char
pmc_verify_cksum (void *bufp)
{
FLD_TYPE1 *buf1 = bufp;
FLD_TYPE2 *buf2 = bufp;
u_int32_t crc1, crc2; /* */
/* */
crc1 = pmcGetBuffValue (&buf1->Crc32[0], sizeof (buf1->Crc32));
#ifdef EEPROM_TYPE_DEBUG
pr_info("EEPROM: chksum 1 reads as %08x\n", crc1); /* */
#endif
if ((buf1->type == PROM_FORMAT_TYPE1) &&
(pmcCalcCrc_T01 ((void *) buf1) == crc1))
return PROM_FORMAT_TYPE1; /* */
crc2 = pmcGetBuffValue (&buf2->Crc32[0], sizeof (buf2->Crc32));
#ifdef EEPROM_TYPE_DEBUG
pr_info("EEPROM: chksum 2 reads as %08x\n", crc2); /* */
#endif
if ((buf2->type == PROM_FORMAT_TYPE2) &&
(pmcCalcCrc_T02 ((void *) buf2) == crc2))
return PROM_FORMAT_TYPE2; /* */
return PROM_FORMAT_Unk; /* */
}
void
pmc_init_seeprom (u_int32_t addr, u_int32_t serialNum)
{
PROMFORMAT buffer; /* Memory image of structure */
u_int32_t crc; /* CRC of structure */
time_t createTime;
int i;
createTime = get_seconds ();
/* use template data */
for (i = 0; i < sizeof (FLD_TYPE2); ++i)
buffer.bytes[i] = mfg_template[i];
/* Update serial number field in buffer */
pmcSetBuffValue (&buffer.fldType2.Serial[3], serialNum, 3);
/* Update create time field in buffer */
pmcSetBuffValue (&buffer.fldType2.CreateTime[0], createTime, 4);
/* Update CRC field in buffer */
crc = pmcCalcCrc_T02 (&buffer);
pmcSetBuffValue (&buffer.fldType2.Crc32[0], crc, 4);
#ifdef DEBUG
for (i = 0; i < sizeof (FLD_TYPE2); ++i)
pr_info("[%02X] = %02X\n", i, buffer.bytes[i] & 0xFF);
#endif
/* Write structure to serial EEPROM */
pmc_eeprom_write_buffer (addr, EE_MFG, (char *) &buffer, sizeof (FLD_TYPE2));
}
void
pmc_init_seeprom (u_int32_t addr, u_int32_t serialNum)
{
PROMFORMAT buffer; /* */
u_int32_t crc; /* */
time_t createTime;
int i;
createTime = get_seconds ();
/* */
for (i = 0; i < sizeof (FLD_TYPE2); ++i)
buffer.bytes[i] = mfg_template[i];
/* */
pmcSetBuffValue (&buffer.fldType2.Serial[3], serialNum, 3);
/* */
pmcSetBuffValue (&buffer.fldType2.CreateTime[0], createTime, 4);
/* */
crc = pmcCalcCrc_T02 (&buffer);
pmcSetBuffValue (&buffer.fldType2.Crc32[0], crc, 4);
#ifdef DEBUG
for (i = 0; i < sizeof (FLD_TYPE2); ++i)
pr_info("[%02X] = %02X\n", i, buffer.bytes[i] & 0xFF);
#endif
/* */
pmc_eeprom_write_buffer (addr, EE_MFG, (char *) &buffer, sizeof (FLD_TYPE2));
}
