// ----------------------------------------------------------------------------
// IStepDispatcher::writeIstepControl()
// ----------------------------------------------------------------------------
errlHndl_t AST2400BootConfig::writeIstepControl( istepControl_t i_istepCtl )
{
errlHndl_t l_err = NULL;
size_t l_len = sizeof(uint8_t);
// read istep control from 0x2a
TRACFCOMP( g_bc_trace, "AST2400BootConfig:: Write istep control %x", i_istepCtl.istepControl);
do
{
//write status
l_err = deviceOp( DeviceFW::WRITE,
TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL,
&(i_istepCtl.istepStatus),
l_len,
DEVICE_SIO_ADDRESS(SIO::DONT_CARE, ISTEP_STATUS_REG));
if(l_err) { break; }
//write command/control
l_err = deviceOp( DeviceFW::WRITE,
TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL,
&(i_istepCtl.istepControl),
l_len,
DEVICE_SIO_ADDRESS(SIO::DONT_CARE,
ISTEP_HOST_CTL_REG));
if(l_err) { break; }
}
while(0);
return l_err;
}
// ----------------------------------------------------------------------------
// readIstepControl()
// ----------------------------------------------------------------------------
errlHndl_t AST2400BootConfig::readIstepControl( istepControl_t &o_stepInfo )
{
errlHndl_t l_err = NULL;
size_t l_len = sizeof(uint8_t);
do
{
// read istep control from 0x2a
l_err = deviceOp( DeviceFW::READ,
TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL,
&(o_stepInfo.istepControl),
l_len,
DEVICE_SIO_ADDRESS(SIO::DONT_CARE, ISTEP_CONTROL_REG));
if(l_err) { break; }
// read major number from 0x2b
l_err = deviceOp( DeviceFW::READ,
TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL,
&(o_stepInfo.istepMajorNumber),
l_len,
DEVICE_SIO_ADDRESS(SIO::DONT_CARE, ISTEP_MAJOR_REG));
if(l_err) { break; }
// read minor number from 0x2c
l_err = deviceOp( DeviceFW::READ,
TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL,
&(o_stepInfo.istepMinorNumber),
l_len,
DEVICE_SIO_ADDRESS(SIO::DONT_CARE, ISTEP_MINOR_REG));
}
while(0);
return l_err;
}
errlHndl_t gpioWrite ( TARGETING::Target * i_target,
void * i_buffer,
size_t i_buflen,
gpioAddr_t & i_gpioInfo)
{
errlHndl_t err = NULL;
size_t cmdlen = GPIO_ADDR_SIZE + i_buflen;
uint8_t cmd[cmdlen];
cmd[0] = i_gpioInfo.portAddr;
memcpy(&(cmd[GPIO_ADDR_SIZE]), i_buffer, i_buflen);
err = deviceOp( DeviceFW::WRITE,
i_target,
&cmd,
cmdlen,
DEVICE_I2C_ADDRESS
( i_gpioInfo.i2cPort,
i_gpioInfo.engine,
i_gpioInfo.i2cDeviceAddr,
i_gpioInfo.i2cMuxBusSelector,
&(i_gpioInfo.i2cMuxPath)
)
);
if(err)
{
err->collectTrace( GPIO_COMP_NAME );
}
return err;
}
errlHndl_t gpioRead( TARGETING::Target * i_target,
void * o_buffer,
size_t & io_buflen,
gpioAddr_t & i_gpioInfo)
{
errlHndl_t err = NULL;
// This i2c interface writes the gpio portAddr to the device
// then reads the value of the port w/o a stop bit in between ops
err = deviceOp( DeviceFW::READ,
i_target,
o_buffer,
io_buflen,
DEVICE_I2C_ADDRESS_OFFSET
( i_gpioInfo.i2cPort,
i_gpioInfo.engine,
i_gpioInfo.i2cDeviceAddr,
GPIO_ADDR_SIZE,
reinterpret_cast<uint8_t*>(&(i_gpioInfo.portAddr)),
i_gpioInfo.i2cMuxBusSelector,
&(i_gpioInfo.i2cMuxPath)
)
);
if(err)
{
err->collectTrace( GPIO_COMP_NAME );
}
return err;
}
///
/// @brief Receive - get bits off the block-transfer interface
///
errlHndl_t BTMessage::recv(void)
{
// Check to make sure we are in the right state (coding error)
assert(iv_data == NULL);
// Go down to the device and read. Note the driver is BT specific
// and we're BT specific so we can send down a BTMessage object.
size_t unused_length;
errlHndl_t err = deviceOp(DeviceFW::READ,
TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL,
static_cast<void*>(this),
unused_length,
DeviceFW::IPMIBT);
if (err)
{
delete[] iv_data;
// If the reading the response fails, the caller may still call
// delete[] on the pointer we return to them. This makes sure that
// for this case, they're just deleting NULL.
iv_data = NULL;
iv_len = 0;
}
// For BT messages, the sequence number is the key - for other xports
// it might be different. Note the sequence number is a reference to
// our base's iv_key, so we're done.
return err;
}
errlHndl_t mboxddShutDown(TARGETING::Target* i_target)
{
size_t scom_len = sizeof(uint64_t);
uint64_t scom_data = 0;
errlHndl_t err = mboxddMaskInterrupts(i_target);
if(!err)
{
// Clear the status reg
//Turn off Permission to Send
//Turn off everything possible
err = deviceOp(DeviceFW::WRITE,
i_target,
reinterpret_cast<void*>(&scom_data),
scom_len,
DEVICE_XSCOM_ADDRESS(MBOX_DB_STAT_CNTRL_1));
}
// Clear any pending stuff
if(!err)
{
err = deviceOp(DeviceFW::READ,
i_target,
reinterpret_cast<void*>(&scom_data),
scom_len,
DEVICE_XSCOM_ADDRESS(MBOX_DB_INT_REG_PIB));
}
if(!err)
{
err = deviceOp(DeviceFW::WRITE,
i_target,
reinterpret_cast<void*>(&scom_data),
scom_len,
DEVICE_XSCOM_ADDRESS(MBOX_DB_INT_REG_PIB));
}
// Others?
return err;
}
///
/// @brief Transimit - send the data out the device interface
///
errlHndl_t BTMessage::phy_xmit(void)
{
// When a uint8_t is constructed, it's initialied to 0. So,
// this initializes the sequence counter to 0.
static Util::Lockfree::Counter<uint8_t> seq;
// Assign a "unique" sequence number. Note that we don't
// leverage the network function to create a sequence
// number, we just keep an 8 bit counter. This *should*
// be ok - it means we will get back the response to any
// particular message before we send another 254 messages.
// This seems safe.
iv_seq = seq.next();
// Initialize the error state of the message
iv_state = 0;
size_t unused_size;
errlHndl_t err = deviceOp(DeviceFW::WRITE,
TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL,
static_cast<void*>(this),
unused_size,
DeviceFW::IPMIBT);
// If we're not going to remain on the i_sendq, we need to delete
// the data.
if ((err) || (iv_state != EAGAIN))
{
delete[] iv_data;
iv_data = NULL;
}
if (!err)
{
// If there wasn't an error, and we don't see EAGAIN, we need to
// queue up for a response. Note we queue up both synchronus and
// asynchronous messages, and let the subclasses handle what
// happens when the response arrives (because it will.)
if (iv_state != EAGAIN)
{
Singleton<IpmiRP>::instance().queueForResponse(*this);
}
// Otherwise we had no error, but were told EAGAIN, which means the
// interface was busy.
else
{
IPMI_TRAC(INFO_MRK "busy, queue head %x:%x", iv_netfun, iv_cmd);
}
}
return err;
}
errlHndl_t mboxddEnableInterrupts(TARGETING::Target * i_target)
{
errlHndl_t err = NULL;
size_t scom_len = sizeof(uint64_t);
// Setup mailbox intr mask reg
// Set bits 2,1,0
// assume we always use mailbox 1
uint64_t scom_data = (static_cast<uint64_t>(MBOX_DOORBELL_ERROR) |
static_cast<uint64_t>(MBOX_HW_ACK) |
static_cast<uint64_t>(MBOX_DATA_PENDING)) << 32;
err = deviceOp(DeviceFW::WRITE,
i_target,
reinterpret_cast<void*>(&scom_data),
scom_len,
DEVICE_XSCOM_ADDRESS(MBOX_DB_INT_MASK_PIB_RS));
return err;
}
errlHndl_t mboxddMaskInterrupts(TARGETING::Target * i_target)
{
errlHndl_t err = NULL;
// Mask off all interrupts
// Reset intr enable bits by setting the bits in MBOX_DB_INT_MASK_PIB_RC
uint64_t scom_data = (static_cast<uint64_t>(MBOX_DOORBELL_ERROR) |
static_cast<uint64_t>(MBOX_HW_ACK) |
static_cast<uint64_t>(MBOX_DATA_PENDING)) << 32;
size_t scom_len = sizeof(uint64_t);
err = deviceOp(DeviceFW::WRITE,
i_target,
reinterpret_cast<void*>(&scom_data),
scom_len,
DEVICE_XSCOM_ADDRESS(MBOX_DB_INT_MASK_PIB_RC));
return err;
}
/**
* @brief Reads the mailbox PIB error status register
*/
errlHndl_t mboxGetErrStat(TARGETING::Target* i_target,uint64_t &o_status)
{
errlHndl_t l_err = NULL;
uint32_t l_64bitBuf[2] = {0};
size_t l_64bitSize = sizeof(uint64_t);
do
{
l_err = deviceOp(DeviceFW::READ,i_target,
l_64bitBuf,l_64bitSize,
DEVICE_XSCOM_ADDRESS(MBOX_DB_ERR_STAT_PIB));
if (l_err)
{
TRACFCOMP(g_trac_mbox, ERR_MRK "mboxGetErrStat> Unable to read PIB Error Status");
break;
}
else
{
//Check for Illegal Op
if ((l_64bitBuf[0] & MBOX_ILLEGAL_OP) ==
MBOX_ILLEGAL_OP)
{
o_status |= MBOX_ILLEGAL_OP;
}
//Check for Write Full
if ((l_64bitBuf[0] & MBOX_DATA_WRITE_ERR) ==
MBOX_DATA_WRITE_ERR)
{
o_status |= MBOX_DATA_WRITE_ERR;
}
//Check for Read Empty
if ((l_64bitBuf[0] & MBOX_DATA_READ_ERR) ==
MBOX_DATA_READ_ERR)
{
o_status |= MBOX_DATA_READ_ERR;
}
//Check for Parity Error & add address of parity error
if ((l_64bitBuf[0] & MBOX_PARITY_ERR) ==
MBOX_PARITY_ERR)
{
o_status |= MBOX_PARITY_ERR;
uint64_t l_temp = (l_64bitBuf[0] & 0x00FF0000);
o_status |= (l_temp << 40);
}
}
//Write '1' to Clear Status(16)
l_64bitBuf[0] = 0x00010000;
l_err = deviceOp(DeviceFW::WRITE,i_target,
l_64bitBuf,l_64bitSize,
DEVICE_XSCOM_ADDRESS(MBOX_DB_ERR_STAT_PIB));
if (l_err)
{
TRACFCOMP(g_trac_mbox, ERR_MRK "mboxGetErrStat> Unable to clear PIB Error Status");
break;
}
} while(0);
return l_err;
}
/**
* @brief Performs a mailbox write operation
*/
errlHndl_t mboxWrite(TARGETING::Target* i_target,void* i_buffer,
size_t& i_buflen)
{
errlHndl_t l_err = NULL;
uint32_t l_64bitBuf[2] = {0};
size_t l_64bitSize = sizeof(uint64_t);
do
{
//If the expected siZe in bytes is bigger than the max data allowed
// send back an error.
if (i_buflen > MBOX_MAX_DATA_BYTES)
{
TRACFCOMP(g_trac_mbox, ERR_MRK "MBOX::write> Invalid data length : i_buflen=%d", i_buflen);
/*@
* @errortype
* @moduleid MBOX::MOD_MBOXDD_WRITE
* @reasoncode MBOX::RC_INVALID_LENGTH
* @userdata1 Target ID String...
* @userdata2 Data Length
* @devdesc MboxDD::write> Invalid data length (> msg_t size)
* @custdesc A problem occurred during the
* IPL of the system.
*/
l_err = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MBOX::MOD_MBOXDD_WRITE,
MBOX::RC_INVALID_LENGTH,
TARGETING::get_huid(i_target),
TO_UINT64(i_buflen),
true /*Add HB Software Callout*/);
l_err->collectTrace(MBOX_TRACE_NAME,1024);
// Set the i_buflen to 0 to indicate no write occured
i_buflen = 0;
break;
}
// read the DB_STATUS_1A_REG: doorbell status and control 1a
l_err = deviceOp(DeviceFW::READ,i_target,
l_64bitBuf,l_64bitSize,
DEVICE_XSCOM_ADDRESS(MBOX_DB_STAT_CNTRL_1));
if (l_err)
{
TRACFCOMP(g_trac_mbox, ERR_MRK "mboxWrite> Unable to read Doorbell Status/Control Register");
break;
}
/*
* DB_STATUS_1A_REG: doorbell status and control 1a
* Bit31(MSB) : Permission to Send Doorbell 1
* Bit30 : Abort Doorbell 1
* Bit29 : LBUS Slave B Pending Doorbell 1
* Bit28 : PIB Slave A Pending Doorbell 1
* Bit27 : Reserved
* Bit26 : Xdn Doorbell 1
* Bit25 : Xup Doorbell 1
* Bit24 : Reserved
* Bit23-20 : Header Count PIB Slave A Doorbell 1
* Bit19-12 : Data Count PIB Slave A Doorbell 1
* Bit11-8 : Header Count LBUS Slave B Doorbell 1
* Bit7-0 : Data Count LBUS Slave B Doorbell 1
*/
//Verify There is no LBUS Pending,
if ((l_64bitBuf[0] &
(MBOX_LBUS_SLAVE_B_PND | MBOX_HDR_PIB_SLAVE_A | MBOX_DATA_PIB_SLAVE_A)) == 0)
{
// Current register counter indicating which of the mbox registers
// to write to
uint32_t cur_reg_cntr = 0;
uint32_t l_data[2] = {0};
// Total number of registers to read to get all the data.
uint8_t l_numRegsToWrite = (i_buflen*sizeof(uint8_t))/sizeof(uint32_t);
uint8_t l_numBytesLeft =
(i_buflen*sizeof(uint8_t))%sizeof(uint32_t);
if (l_numBytesLeft != 0)
{
l_numRegsToWrite++;
}
uint32_t *l_buf = static_cast<uint32_t *>(i_buffer);
// For the write we put the data into the MBOX data registers.
// MBOX_DATA_PIB_START = 0x00050040 and the end address is
// MBOX_DATA_PIB_END = 0x0005004F
// each address inbetween increments by 1.
//Write Data registers. Start at the first and increment through
//the registers until all the data has been written.
while (cur_reg_cntr < l_numRegsToWrite)
{
// If this is the last register we need to write and are not word aligned
if (((cur_reg_cntr + 1) == l_numRegsToWrite) &&
(l_numBytesLeft != 0))
{
// zero out the data reg.
l_data[0] = 0;
// Only copy the number of bytes remaining..
memcpy(&l_data[0], l_buf+cur_reg_cntr,l_numBytesLeft);
}
else
{
// point to the next 32bits of data in the buffer.
l_data[0] = *(l_buf+cur_reg_cntr);
}
l_err = deviceOp(DeviceFW::WRITE,i_target,
l_data,l_64bitSize,
DEVICE_XSCOM_ADDRESS(MBOX_DATA_PIB_START+cur_reg_cntr));
if (l_err)
{
TRACFCOMP(g_trac_mbox, ERR_MRK "mboxWrite> Unable to write Data Area Register 0x%X",MBOX_DATA_PIB_START+cur_reg_cntr);
break;
}
//increment counter so we are at the next register
cur_reg_cntr++;
}
if (l_err)
{
break;
}
//Write LBUS Pending(28) and Data Count bits(11-0) to indicate
// data has been written.
l_64bitBuf[0] = MBOX_LBUS_SLAVE_B_PND | (MBOX_DATA_PIB_SLAVE_A &
(i_buflen << 12));
l_err = deviceOp(DeviceFW::WRITE,i_target,
l_64bitBuf,l_64bitSize,
DEVICE_XSCOM_ADDRESS(MBOX_DB_STAT_CNTRL_1));
if (l_err)
{
TRACFCOMP(g_trac_mbox, ERR_MRK "mboxWrite> Unable to set Doorbell Status/Control Register");
break;
}
}
else
{
TRACFCOMP(g_trac_mbox, ERR_MRK "mboxWrite> Message still pending : MBOX_DB_STAT_CNTRL_1=%X", l_64bitBuf[0]);
/*@
* @errortype
* @moduleid MBOX::MOD_MBOXDD_WRITE
* @reasoncode MBOX::RC_MSG_PENDING
* @userdata1 Target ID String...
* @userdata2 Status/Control Register
* @devdesc MboxDD::write> Message still pending
* @custdesc A problem occurred during the
* IPL of the system.
*/
l_err = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MBOX::MOD_MBOXDD_WRITE,
MBOX::RC_MSG_PENDING,
TARGETING::get_huid(i_target),
reinterpret_cast<uint64_t>(l_64bitBuf),
true /*Add HB Software Callout*/);
// Set the i_buflen to 0 to indicate no write occured
i_buflen = 0;
l_err->collectTrace(MBOX_TRACE_NAME,1024);
break;
}
} while(0);
return l_err;
}
/**
* @brief Performs a mailbox read operation
*/
errlHndl_t mboxRead(TARGETING::Target* i_target,void *o_buffer,
size_t &io_buflen,uint64_t* o_status)
{
uint64_t l_stat = 0;
errlHndl_t l_err = NULL;
uint32_t l_64bitBuf[2] = {0};
uint32_t l_StatusReg[2] = {0};
uint32_t l_IntReg[2] = {0};
size_t l_64bitSize = sizeof(uint64_t);
size_t input_buflen = io_buflen;
io_buflen = 0;
do
{
// no longer check for buffer length.. MBox DD will pass back the max
// allowed data if the buflen is > the max size. This is done prior
// to reading the data from the mbox registers.
// Read the Int Reg B
l_err = deviceOp(DeviceFW::READ,i_target,
l_IntReg,l_64bitSize,
DEVICE_XSCOM_ADDRESS(MBOX_DB_INT_REG_PIB));
if (l_err)
{
TRACFCOMP(g_trac_mbox, ERR_MRK "mboxRead> Unable to read PIB Interrupt Register");
break;
}
/*if nothing on in the interrupt reg -- nothing for this function to do*/
if(!(l_IntReg[0]))
{
break;
}
// Check to see if there is an error bit set.
if ((l_IntReg[0] & MBOX_DOORBELL_ERROR) ==
MBOX_DOORBELL_ERROR)
{
TRACFCOMP(g_trac_mbox, INFO_MRK
"mboxRead> Found interrupt on error status register");
// Go get the error info
l_err = mboxGetErrStat(i_target,l_stat);
if (l_err)
{
break;
}
}
#if defined(__DESTRUCTIVE_MBOX_TEST__)
if(g_forceError)
{
TRACFCOMP(g_trac_mbox,"MBOXDD> forcing error!");
g_forceError = false;
l_stat |= MBOX_DOORBELL_ERROR | MBOX_DATA_WRITE_ERR;
}
#endif
// No errors so read the doorbell status and control 1a register
l_err = deviceOp(DeviceFW::READ,i_target,
l_64bitBuf,l_64bitSize,
DEVICE_XSCOM_ADDRESS(MBOX_DB_STAT_CNTRL_1));
if (l_err)
{
TRACFCOMP(g_trac_mbox, ERR_MRK "mboxRead> Unable to read Doorbell Status/Control Register");
break;
}
/*
* DB_STATUS_1A_REG: doorbell status and control 1a
* Bit31(MSB) : Permission to Send Doorbell 1
* Bit30 : Abort Doorbell 1
* Bit29 : LBUS Slave B Pending Doorbell 1
* Bit28 : PIB Slave A Pending Doorbell 1
* Bit27 : Reserved
* Bit26 : Xdn Doorbell 1
* Bit25 : Xup Doorbell 1
* Bit24 : Reserved
* Bit23-20 : Header Count PIB Slave A Doorbell 1
* Bit19-12 : Data Count PIB Slave A Doorbell 1
* Bit11-8 : Header Count LBUS Slave B Doorbell 1
* Bit7-0 : Data Count LBUS Slave B Doorbell 1
*/
//If the Acknowledge bit is on and the Xup bit is on
if ((l_IntReg[0] & MBOX_HW_ACK) ==
MBOX_HW_ACK &&
(l_64bitBuf[0] & MBOX_XUP) == MBOX_XUP)
{
l_stat |= MBOX_HW_ACK;
l_StatusReg[0] |= MBOX_XUP;
}
//Check for PIB Pending. If PIB pending is found then we need
// to go read the data from the mailbox registers.
if ((l_IntReg[0] & MBOX_DATA_PENDING) ==
MBOX_DATA_PENDING &&
(l_64bitBuf[0] & MBOX_PIB_SLAVE_A_PND) == MBOX_PIB_SLAVE_A_PND)
{
l_stat |= MBOX_DATA_PENDING;
//Set the io_buflen to the number of bytes of data available to
// be read.
io_buflen = (l_64bitBuf[0] & MBOX_DATA_LBUS_SLAVE_B);
// If the buffer length passed in is less than the data size read,
// then set the buffer length to the passed in size and only read
// that much data. (truncate the data to fit into the buffer)
// Conversely, if the input_buflen is greater than the size of the
// data read, the io_buflen returned to the user becomes the size
// of the data read.
if (input_buflen < io_buflen)
{
TRACFCOMP(g_trac_mbox, INFO_MRK
"mboxRead> Data truncated, input buffer length less than number of significant bytes");
// set the io_buflen to the size of the buffer passed in.
// which will only read enough data to fill the buffer.
io_buflen = input_buflen;
}
// Current register counter indicating which of the mbox registers
// we are currently reading from.
uint32_t cur_reg_cntr = 0;
uint32_t l_data[2];
// Total number of registers to read to get all the data.
uint8_t l_numRegsToRead = (io_buflen*sizeof(uint8_t))/sizeof(uint32_t);
uint8_t l_numBytesLeft =
(io_buflen*sizeof(uint8_t))%sizeof(uint32_t);
if (l_numBytesLeft != 0)
{
l_numRegsToRead++;
}
uint32_t *local_buf = static_cast<uint32_t *>(o_buffer);
// For the read we extract the data from the MBOX data registers.
// MBOX_DATA_LBUS_START = 0x00050080 and the end address is
// MBOX_DATA_LBUS_END = 0x0005008F
// each address inbetween increments by 1.
//Loop through the mbox registers until all the data to be read has
// been extracted from the mbox registers.
while (cur_reg_cntr < l_numRegsToRead)
{
l_err = deviceOp(DeviceFW::READ,i_target,
l_data,l_64bitSize,
DEVICE_XSCOM_ADDRESS(MBOX_DATA_LBUS_START+cur_reg_cntr));
if (l_err)
{
TRACFCOMP(g_trac_mbox, ERR_MRK "mboxRead> Unable to read Data Area Register 0x%X",MBOX_DATA_LBUS_START+cur_reg_cntr);
break;
}
// Need to check here to make sure we are not overrunning our
// buffer.
// If this is the last register we need to read and we are not word aligned
if (((cur_reg_cntr + 1) == l_numRegsToRead) &&
(l_numBytesLeft != 0))
{
// Only copy the number of bytes remaining..
memcpy( local_buf + cur_reg_cntr,
&l_data[0], l_numBytesLeft);
}
// normal copy path.. copy the entire word.
else
{
memcpy( local_buf + cur_reg_cntr, &l_data[0], sizeof(uint32_t));
}
cur_reg_cntr++;
}
if (l_err)
{
break;
}
//Write-to-Clear Xup,and bits 20-32 (data and header count)
//Write to set Xup (by setting PIB_SLAVE_PND)
//Write the Xdn to indicate read is done
l_StatusReg[0] |= MBOX_PIB_SLAVE_A_PND | MBOX_XDN |
MBOX_HDR_LBUS_SLAVE_B | MBOX_DATA_LBUS_SLAVE_B;
}
//Write to clear PIB Pending, Abort, and XUP (all that apply)
if(l_StatusReg[0])
{
l_err = deviceOp(DeviceFW::WRITE,i_target,
l_StatusReg,l_64bitSize,
DEVICE_XSCOM_ADDRESS(MBOX_DB_STAT_CNTRL_1));
if (l_err)
{
TRACFCOMP(g_trac_mbox, ERR_MRK "mboxRead> Unable to clear Doorbell Status/Control Register");
break;
}
}
//Write-to-Clear 'on' bits of interrupt reg
if(l_IntReg[0])
{
l_err = deviceOp(DeviceFW::WRITE,i_target,
l_IntReg,l_64bitSize,
DEVICE_XSCOM_ADDRESS(MBOX_DB_INT_REG_PIB));
if (l_err)
{
TRACFCOMP(g_trac_mbox, ERR_MRK "mboxRead> Unable to clear PIB Interrupt Register");
break;
}
}
} while(0);
(*o_status) = l_stat;
return l_err;
}
errlHndl_t doScomOp(DeviceFW::OperationType i_opType,
TARGETING::Target* i_target,
void* io_buffer,
size_t& io_buflen,
int64_t i_accessType,
uint64_t i_addr)
{
errlHndl_t l_err = NULL;
do{
TARGETING::ScomSwitches scomSetting;
scomSetting.useXscom = true; //Default to Xscom supported.
if(TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL != i_target)
{
scomSetting =
i_target->getAttr<TARGETING::ATTR_SCOM_SWITCHES>();
}
//Always XSCOM the Master Sentinel
if((TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL == i_target) ||
(scomSetting.useXscom))
{ //do XSCOM
l_err = deviceOp(i_opType,
i_target,
io_buffer,
io_buflen,
DEVICE_XSCOM_ADDRESS(i_addr));
break;
}
else if(scomSetting.useInbandScom)
{ //do IBSCOM
l_err = deviceOp(i_opType,
i_target,
io_buffer,
io_buflen,
DEVICE_IBSCOM_ADDRESS(i_addr));
if( l_err ) { break; }
}
else if(scomSetting.useFsiScom)
{ //do FSISCOM
l_err = deviceOp(i_opType,
i_target,
io_buffer,
io_buflen,
DEVICE_FSISCOM_ADDRESS(i_addr));
if( l_err ) { break; }
}
else
{
assert(0,"SCOM::scomPerformOp> ATTR_SCOM_SWITCHES does not indicate Xscom, Ibscom, or FSISCOM is supported. i_target=0x%.8x", get_huid(i_target));
break;
}
}while(0);
//Look for special retry codes
if( l_err
&& (0xFFFFFFFF != i_accessType)
&& (l_err->reasonCode() == IBSCOM::IBSCOM_RETRY_DUE_TO_ERROR) )
{
delete l_err;
TRACFCOMP(g_trac_scom, "Forcing retry of Scom to %.16X on %.8X", i_addr, TARGETING::get_huid(i_target));
// use the unused i_accessType parameter to avoid an infinite recursion
int64_t accessType_flag = 0xFFFFFFFF;
l_err = doScomOp( i_opType, i_target, io_buffer,
io_buflen, accessType_flag, i_addr );
}
//Add some additional FFDC based on the specific operation
if( l_err )
{
addScomFailFFDC( l_err, i_target, i_addr );
}
return l_err;
}
// ----------------------------------------------------------------------------
// readAndProcessBootConfig()
// ----------------------------------------------------------------------------
errlHndl_t AST2400BootConfig::readAndProcessBootConfig()
{
TRACDCOMP(g_bc_trace, ENTER_MRK"readAndProcessBootConfig()");
errlHndl_t l_err = NULL;
uint8_t register_data = 0;
size_t l_len = sizeof(uint8_t);
do
{
// read the register holding the agreed upon magic
// number to indicate registers have been configured
// Registers below 0x30 do not belong to any particular SIO device.
// Device field advised to be set to SUART1 or iLPC2AHB as these are the
// only two devices currently in use and will thereby save additional
// SIO before and after this call.
l_err = deviceOp( DeviceFW::READ,
TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL,
&(register_data),
l_len,
DEVICE_SIO_ADDRESS(SIO::DONT_CARE, BOOT_FLAGS_VERSION_REG));
if( l_err )
{
TRACFCOMP(g_bc_trace,"Failed reading the boot flags version, skip processing");
break;
}
if( register_data != BOOT_FLAGS_VERSION_1 )
{
TRACFCOMP(g_bc_trace,"WRN>>readAndProcessBootConfig() - "
"boot flags not correct version"
" 0x%x!=0x%x", register_data, BOOT_FLAGS_VERSION_1 );
#ifdef CONFIG_CONSOLE
CONSOLE::displayf(NULL, "Ignoring boot flags, incorrect version 0x%x", register_data);
CONSOLE::flush();
#endif
break;
}
// read the SIO register holding the boot flags
l_err = deviceOp( DeviceFW::READ,
TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL,
&(register_data),
l_len,
DEVICE_SIO_ADDRESS(SIO::DONT_CARE, BOOT_FLAGS_REG));
if( l_err )
{
TRACFCOMP(g_bc_trace,"Failed reading the boot flags, leave"
" settings at default values");
break;
}
processBootFlagsV1( register_data );
}while(0);
TRACDCOMP(g_bc_trace, EXIT_MRK"readAndProcessBootConfig()");
return l_err;
}
