UINT32 word;
} EFUSE_CTRL_STRUC, *PEFUSE_CTRL_STRUC;
-static UCHAR eFuseReadRegisters(
- IN PRTMP_ADAPTER pAd,
- IN USHORT Offset,
- IN USHORT Length,
- OUT USHORT* pData);
-
-static VOID eFuseReadPhysical(
- IN PRTMP_ADAPTER pAd,
- IN PUSHORT lpInBuffer,
- IN ULONG nInBufferSize,
- OUT PUSHORT lpOutBuffer,
- IN ULONG nOutBufferSize);
-
-static VOID eFusePhysicalWriteRegisters(
- IN PRTMP_ADAPTER pAd,
- IN USHORT Offset,
- IN USHORT Length,
- OUT USHORT* pData);
-
-static NTSTATUS eFuseWriteRegisters(
- IN PRTMP_ADAPTER pAd,
- IN USHORT Offset,
- IN USHORT Length,
- IN USHORT* pData);
-
static VOID eFuseWritePhysical(
IN PRTMP_ADAPTER pAd,
PUSHORT lpInBuffer,
}
}
-/*
-========================================================================
-
- Routine Description:
-
- Arguments:
-
- Return Value:
-
- Note:
-
-========================================================================
-*/
-NTSTATUS eFuseRead(
- IN PRTMP_ADAPTER pAd,
- IN USHORT Offset,
- OUT PUCHAR pData,
- IN USHORT Length)
-{
- USHORT* pOutBuf = (USHORT*)pData;
- NTSTATUS Status = STATUS_SUCCESS;
- UCHAR EFSROM_AOUT;
- int i;
-
- for(i=0; i<Length; i+=2)
- {
- EFSROM_AOUT = eFuseReadRegisters(pAd, Offset+i, 2, &pOutBuf[i/2]);
- }
- return Status;
-}
-
/*
========================================================================
}
}
-/*
-========================================================================
-
- Routine Description:
-
- Arguments:
-
- Return Value:
-
- Note:
-
-========================================================================
-*/
-static NTSTATUS eFuseWriteRegisters(
- IN PRTMP_ADAPTER pAd,
- IN USHORT Offset,
- IN USHORT Length,
- IN USHORT* pData)
-{
- USHORT i,Loop=0;
- USHORT eFuseData;
- USHORT LogicalAddress, BlkNum = 0xffff;
- UCHAR EFSROM_AOUT;
-
- USHORT addr,tmpaddr, InBuf[3], tmpOffset;
- USHORT buffer[8];
- BOOLEAN bWriteSuccess = TRUE;
-
- DBGPRINT(RT_DEBUG_TRACE, ("eFuseWriteRegisters Offset=%x, pData=%x\n", Offset, *pData));
-
- //Step 0. find the entry in the mapping table
- //The address of EEPROM is 2-bytes alignment.
- //The last bit is used for alignment, so it must be 0.
- tmpOffset = Offset & 0xfffe;
- EFSROM_AOUT = eFuseReadRegisters(pAd, tmpOffset, 2, &eFuseData);
-
- if( EFSROM_AOUT == 0x3f)
- { //find available logical address pointer
- //the logical address does not exist, find an empty one
- //from the first address of block 45=16*45=0x2d0 to the last address of block 47
- //==>48*16-3(reserved)=2FC
- for (i=EFUSE_USAGE_MAP_START; i<=EFUSE_USAGE_MAP_END; i+=2)
- {
- //Retrive the logical block nubmer form each logical address pointer
- //It will access two logical address pointer each time.
- eFusePhysicalReadRegisters(pAd, i, 2, &LogicalAddress);
- if( (LogicalAddress & 0xff) == 0)
- {//Not used logical address pointer
- BlkNum = i-EFUSE_USAGE_MAP_START;
- break;
- }
- else if(( (LogicalAddress >> 8) & 0xff) == 0)
- {//Not used logical address pointer
- if (i != EFUSE_USAGE_MAP_END)
- {
- BlkNum = i-EFUSE_USAGE_MAP_START+1;
- }
- break;
- }
- }
- }
- else
- {
- BlkNum = EFSROM_AOUT;
- }
-
- DBGPRINT(RT_DEBUG_TRACE, ("eFuseWriteRegisters BlkNum = %d \n", BlkNum));
-
- if(BlkNum == 0xffff)
- {
- DBGPRINT(RT_DEBUG_TRACE, ("eFuseWriteRegisters: out of free E-fuse space!!!\n"));
- return FALSE;
- }
-
- //Step 1. Save data of this block which is pointed by the avaible logical address pointer
- // read and save the original block data
- for(i =0; i<8; i++)
- {
- addr = BlkNum * 0x10 ;
-
- InBuf[0] = addr+2*i;
- InBuf[1] = 2;
- InBuf[2] = 0x0;
-
- eFuseReadPhysical(pAd, &InBuf[0], 4, &InBuf[2], 2);
-
- buffer[i] = InBuf[2];
- }
-
- //Step 2. Update the data in buffer, and write the data to Efuse
- buffer[ (Offset >> 1) % 8] = pData[0];
-
- do
- { Loop++;
- //Step 3. Write the data to Efuse
- if(!bWriteSuccess)
- {
- for(i =0; i<8; i++)
- {
- addr = BlkNum * 0x10 ;
-
- InBuf[0] = addr+2*i;
- InBuf[1] = 2;
- InBuf[2] = buffer[i];
-
- eFuseWritePhysical(pAd, &InBuf[0], 6, NULL, 2);
- }
- }
- else
- {
- addr = BlkNum * 0x10 ;
-
- InBuf[0] = addr+(Offset % 16);
- InBuf[1] = 2;
- InBuf[2] = pData[0];
-
- eFuseWritePhysical(pAd, &InBuf[0], 6, NULL, 2);
- }
-
- //Step 4. Write mapping table
- addr = EFUSE_USAGE_MAP_START+BlkNum;
-
- tmpaddr = addr;
-
- if(addr % 2 != 0)
- addr = addr -1;
- InBuf[0] = addr;
- InBuf[1] = 2;
-
- //convert the address from 10 to 8 bit ( bit7, 6 = parity and bit5 ~ 0 = bit9~4), and write to logical map entry
- tmpOffset = Offset;
- tmpOffset >>= 4;
- tmpOffset |= ((~((tmpOffset & 0x01) ^ ( tmpOffset >> 1 & 0x01) ^ (tmpOffset >> 2 & 0x01) ^ (tmpOffset >> 3 & 0x01))) << 6) & 0x40;
- tmpOffset |= ((~( (tmpOffset >> 2 & 0x01) ^ (tmpOffset >> 3 & 0x01) ^ (tmpOffset >> 4 & 0x01) ^ ( tmpOffset >> 5 & 0x01))) << 7) & 0x80;
-
- // write the logical address
- if(tmpaddr%2 != 0)
- InBuf[2] = tmpOffset<<8;
- else
- InBuf[2] = tmpOffset;
-
- eFuseWritePhysical(pAd,&InBuf[0], 6, NULL, 0);
-
- //Step 5. Compare data if not the same, invalidate the mapping entry, then re-write the data until E-fuse is exhausted
- bWriteSuccess = TRUE;
- for(i =0; i<8; i++)
- {
- addr = BlkNum * 0x10 ;
-
- InBuf[0] = addr+2*i;
- InBuf[1] = 2;
- InBuf[2] = 0x0;
-
- eFuseReadPhysical(pAd, &InBuf[0], 4, &InBuf[2], 2);
-
- if(buffer[i] != InBuf[2])
- {
- bWriteSuccess = FALSE;
- break;
- }
- }
-
- //Step 6. invlidate mapping entry and find a free mapping entry if not succeed
- if (!bWriteSuccess)
- {
- DBGPRINT(RT_DEBUG_TRACE, ("Not bWriteSuccess BlkNum = %d\n", BlkNum));
-
- // the offset of current mapping entry
- addr = EFUSE_USAGE_MAP_START+BlkNum;
-
- //find a new mapping entry
- BlkNum = 0xffff;
- for (i=EFUSE_USAGE_MAP_START; i<=EFUSE_USAGE_MAP_END; i+=2)
- {
- eFusePhysicalReadRegisters(pAd, i, 2, &LogicalAddress);
- if( (LogicalAddress & 0xff) == 0)
- {
- BlkNum = i-EFUSE_USAGE_MAP_START;
- break;
- }
- else if(( (LogicalAddress >> 8) & 0xff) == 0)
- {
- if (i != EFUSE_USAGE_MAP_END)
- {
- BlkNum = i+1-EFUSE_USAGE_MAP_START;
- }
- break;
- }
- }
- DBGPRINT(RT_DEBUG_TRACE, ("Not bWriteSuccess new BlkNum = %d\n", BlkNum));
- if(BlkNum == 0xffff)
- {
- DBGPRINT(RT_DEBUG_TRACE, ("eFuseWriteRegisters: out of free E-fuse space!!!\n"));
- return FALSE;
- }
-
- //invalidate the original mapping entry if new entry is not found
- tmpaddr = addr;
-
- if(addr % 2 != 0)
- addr = addr -1;
- InBuf[0] = addr;
- InBuf[1] = 2;
-
- eFuseReadPhysical(pAd, &InBuf[0], 4, &InBuf[2], 2);
-
- // write the logical address
- if(tmpaddr%2 != 0)
- {
- // Invalidate the high byte
- for (i=8; i<15; i++)
- {
- if( ( (InBuf[2] >> i) & 0x01) == 0)
- {
- InBuf[2] |= (0x1 <<i);
- break;
- }
- }
- }
- else
- {
- // invalidate the low byte
- for (i=0; i<8; i++)
- {
- if( ( (InBuf[2] >> i) & 0x01) == 0)
- {
- InBuf[2] |= (0x1 <<i);
- break;
- }
- }
- }
- eFuseWritePhysical(pAd, &InBuf[0], 6, NULL, 0);
- }
- }
- while (!bWriteSuccess&&Loop<2);
- if(!bWriteSuccess)
- DBGPRINT(RT_DEBUG_ERROR,("Efsue Write Failed!!\n"));
- return TRUE;
-}
-
-
/*
========================================================================
}
}
-
-/*
-========================================================================
-
- Routine Description:
-
- Arguments:
-
- Return Value:
-
- Note:
-
-========================================================================
-*/
-NTSTATUS eFuseWrite(
- IN PRTMP_ADAPTER pAd,
- IN USHORT Offset,
- IN PUCHAR pData,
- IN USHORT length)
-{
- int i;
- USHORT* pValueX = (PUSHORT) pData; //value ...
-
- // The input value=3070 will be stored as following
- // Little-endian S | S Big-endian
- // addr 1 0 | 0 1
- // Ori-V 30 70 | 30 70
- // After swapping
- // 30 70 | 70 30
- // Casting
- // 3070 | 7030 (x)
- // The swapping should be removed for big-endian
- for(i=0; i<length; i+=2)
- {
- eFuseWriteRegisters(pAd, Offset+i, 2, &pValueX[i/2]);
- }
-
- return TRUE;
-}
-
-
-
-
/*
========================================================================
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff