d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add code to fill the EEPROM buffer with default values, if no EEPROM

Browse Source 
was found, or if there was a checksum mismatch.
This patch should allow the driver to be used with any AMD 53c974
based SCSI card, or with the AMD SCSI+Ethernet Combo Chip found on
some motherboards.
This commit is contained in:
se 1996-12-18 01:20:32 +00:00
parent 2335fa9b23
commit 87eeb5fc5a
1 changed files with 22 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
sys/pci/tek390.c
View File

@ -150,6 +150,7 @@ UCHAR DC390_EEpromInDO( USHORT mechnum );
USHORT EEpromGetData1( USHORT mechnum );
void DC390_Prepare( USHORT mechnum, PUCHAR regval, UCHAR EEpromCmd );
void DC390_ReadEEprom( USHORT mechnum, USHORT index );
USHORT DC390_DefaultEEprom( USHORT mechnum, USHORT index );
USHORT DC390_CheckEEpromCheckSum( USHORT MechNum, USHORT index );
USHORT DC390_ToMech( USHORT Mechnum, pcici_t config_id );
@ -1491,6 +1492,26 @@ DC390_ReadEEprom( USHORT mechnum, USHORT index )
}
USHORT
DC390_DefaultEEprom( USHORT mechnum, USHORT index )
{
PUCHAR ptr;
USHORT i;
ptr = (PUCHAR) &eepromBuf[index][0];
bzero (ptr, sizeof eepromBuf[index]);
for(i=0; i<0x40; i++)
{
*ptr = (TAG_QUEUING_|EN_DISCONNECT_|SYNC_NEGO_|PARITY_CHK_);
ptr += 4;
}
ptr[EE_ADAPT_SCSI_ID] = 7;
ptr[EE_MODE2] = (LUN_CHECK|ACTIVE_NEGATION);
ptr[EE_TAG_CMD_NUM] = 4;
return 0;
}
USHORT
DC390_CheckEEpromCheckSum( USHORT MechNum, USHORT index )
{
@ -1505,7 +1526,7 @@ DC390_CheckEEpromCheckSum( USHORT MechNum, USHORT index )
if( wval == 0x1234 )
rc = 0;
else
rc = -1;
rc = DC390_DefaultEEprom( MechNum, index);
return( rc );
}