Skip to content

L
linux
Commit abf1794e authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz Committed by Greg Kroah-Hartman
Browse files
Options

Staging: rt28x0: remove unused code from common/ee_efuse-c 

Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent fbedb45f
Hide whitespace changes
Inline Side-by-side
Showing with 0 additions and 352 deletions
drivers/staging/rt2860/common/ee_efuse.c
View file @ abf1794e
......@@ -67,31 +67,6 @@ typedef union _EFUSE_CTRL_STRUC {
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,
......@@ -293,37 +268,6 @@ static VOID eFuseReadPhysical(
}
}
/*
========================================================================
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;
}
/*
========================================================================
......@@ -437,247 +381,6 @@ static VOID eFusePhysicalWriteRegisters(
}
}
/*
========================================================================
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;
}
/*
========================================================================
......@@ -723,49 +426,6 @@ static VOID eFuseWritePhysical(
}
}
/*
========================================================================
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;
}
/*
========================================================================
......
drivers/staging/rt2860/rtmp.h
View file @ abf1794e
......@@ -4052,18 +4052,6 @@ VOID eFuseGetFreeBlockCount(IN PRTMP_ADAPTER pAd,
INT eFuse_init(
IN PRTMP_ADAPTER pAd);
NTSTATUS eFuseRead(
IN PRTMP_ADAPTER pAd,
IN USHORT Offset,
OUT PUCHAR pData,
IN USHORT Length);
NTSTATUS eFuseWrite(
IN PRTMP_ADAPTER pAd,
IN USHORT Offset,
IN PUCHAR pData,
IN USHORT length);
//2008/09/11:KH add to support efuse-->
#endif // RTMP_EFUSE_SUPPORT //
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7