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/*
* @file: ppe/sbe/sbefw/sbeHostUtils.C
*
* @brief This file contains the PSU Access Utility Functions
*
*/
#include "sbetrace.H"
#include "sbe_sp_intf.H"
#include "sbeHostUtils.H"
#include "sbeHostMsg.H"
#include "sbe_host_intf.H"
#include "sbeerrorcodes.H"
#include "assert.h"
///////////////////////////////////////////////////////////////////
// PSU->SBE register access utilities
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
uint32_t sbeReadPsu2SbeMbxReg (uint32_t i_addr,
const uint8_t i_count,
uint64_t *o_pData)
{
#define SBE_FUNC " sbeReadPsu2SbeMbxReg "
SBE_DEBUG(SBE_FUNC"i_count[0x%02X], i_addr=[0x%08X]", i_count, i_addr);
uint32_t l_rc = SBE_SEC_OPERATION_SUCCESSFUL;
uint8_t l_count = 0;
assert((i_count >0 ) && (NULL != o_pData))
assert( (SBE_HOST_PSU_MBOX_REG0 <= i_addr) &&
(SBE_HOST_PSU_MBOX_REG3 >= (i_addr + i_count - 1)) )
while (l_count < i_count)
{
l_rc = getscom_abs ( i_addr,
reinterpret_cast<uint64_t*>(&o_pData[l_count]) );
if (l_rc)
{
// Error while reading from PSU->SBE mbx register
SBE_ERROR(SBE_FUNC"getscom_abs failed,"
"l_rc=[0x%08X], i_addr=[0x%08X]",
l_rc, i_addr);
break;
}
SBE_DEBUG(SBE_FUNC"l_data=[0x%016X]", o_pData[l_count]);
++l_count;
++i_addr;
}
return l_rc;
#undef SBE_FUNC
}
///////////////////////////////////////////////////////////////////
// SBE->PSU register access utilities
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
uint32_t sbeIntrHostUponRespWaiting ()
{
uint32_t l_rc = SBE_SEC_OPERATION_SUCCESSFUL;
// Interrupt the host by setting bit0 in SBE->PSU DB register
// if the caller requested for it.
if (g_sbePsu2SbeCmdReqHdr.flags & SBE_PSU_FLAGS_RESP_REQUIRED)
{
l_rc = sbeSetSbe2PsuDbBitX(SBE_SBE2PSU_DOORBELL_SET_BIT0);
}
return l_rc;
}
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
uint32_t sbeAcknowledgeHost ()
{
uint32_t l_rc = SBE_SEC_OPERATION_SUCCESSFUL;
// Set the Ack bit in SBE->PSU DB register
// if the caller requested for it.
if (g_sbePsu2SbeCmdReqHdr.flags & SBE_PSU_FLAGS_ACK_REQUIRED)
{
l_rc = sbeSetSbe2PsuDbBitX(SBE_SBE2PSU_DOORBELL_SET_BIT1);
}
return l_rc;
}
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
uint32_t sbeWriteSbe2PsuMbxReg (uint32_t i_addr,
const uint64_t *i_pData,
const uint8_t i_count,
bool i_setBit0ToIntrHB)
{
#define SBE_FUNC " sbeWriteSbe2PsuMbxReg "
SBE_DEBUG(SBE_FUNC"i_count[0x%02X], i_addr=[0x%08X]", i_count, i_addr);
uint32_t l_rc = SBE_SEC_OPERATION_SUCCESSFUL;
uint8_t l_count = 0;
assert( (i_count >0 ) && (NULL != i_pData) )
assert( (SBE_HOST_PSU_MBOX_REG4 <= i_addr) &&
(SBE_HOST_PSU_MBOX_REG7 >= (i_addr + i_count - 1)) )
if( g_sbePsu2SbeCmdReqHdr.flags & SBE_PSU_FLAGS_RESP_REQUIRED )
{
while (l_count < i_count)
{
SBE_DEBUG(SBE_FUNC"l_data=[0x%016X]", *(i_pData+l_count));
l_rc = putscom_abs ( i_addr, *(i_pData+l_count) );
if (l_rc)
{
// Error while reading from PSU->SBE mbx register
SBE_ERROR(SBE_FUNC"putscom_abs failed,"
"l_rc=[0x%08X], i_addr=[0x%08X]",
l_rc, i_addr);
break;
}
++l_count;
++i_addr;
}
if( (i_setBit0ToIntrHB) && (SBE_SEC_OPERATION_SUCCESSFUL == l_rc) )
{
// indicate the Host via Bit SBE_SBE2PSU_DOORBELL_SET_BIT0
l_rc = sbeSetSbe2PsuDbBitX(SBE_SBE2PSU_DOORBELL_SET_BIT0);
if(l_rc)
{
SBE_ERROR(SBE_FUNC " Failed to Sent Ack to Host over "
"SBE_SBE2PSU_DOORBELL_SET_BIT0");
}
}
}
return l_rc;
#undef SBE_FUNC
}
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