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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/ppe/sbe/sbefw/sbeirq.C $ */
/* */
/* OpenPOWER OnChipController Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/*
* @file: ppe/sbe/sbefw/sbeirq.C
*
* @brief This sets up and registers SBE ISRs
*
*/
#include "sbeexeintf.H"
#include "sbeirq.H"
#include "sbetrace.H"
////////////////////////////////////////////////////////////////
// @brief: SBE control loop ISR:
// - FIFO new data available
// - FIFO reset request
//
// @param[in] i_pArg - Unused
// @param[in] i_irq - IRQ number as defined in sbeirq.h
//
////////////////////////////////////////////////////////////////
void sbe_fifo_interrupt_handler (void *i_pArg, PkIrqId i_irq)
{
#define SBE_FUNC " sbe_fifo_interrupt_handler "
SBE_ENTER(SBE_FUNC"i_irq=[0x%02X]",i_irq);
int l_rc = 0;
switch (i_irq)
{
case SBE_IRQ_SBEFIFO_DATA:
case SBE_IRQ_SBEFIFO_RESET:
// Mask the interrupt
pk_irq_disable(i_irq);
// Unblock the command receiver thread
l_rc = pk_semaphore_post(&g_sbeSemCmdRecv);
if (l_rc)
{
// If we received an error while posting the semaphore,
// unmask the interrupt back and assert
// @TODO via RTC : 129166
// Add support for ASSERT here
SBE_ERROR(SBE_FUNC"pk_semaphore_post failed, rc=[%d]", l_rc);
pk_irq_enable(i_irq);
}
break;
default:
SBE_ERROR(SBE_FUNC"Unknown IRQ, assert");
// @TODO via RTC : 129166
// Add support for ASSERT here
break;
}
#undef SBE_FUNC
}
////////////////////////////////////////////////////////////////
// See sbeexeintf.h for more details
////////////////////////////////////////////////////////////////
int sbeIRQSetup (void)
{
#define SBE_FUNC " sbeIRQSetup "
int l_rc = 0;
// Disable the relevant IRQs while we set them up
pk_irq_disable(SBE_IRQ_SBEFIFO_DATA);
pk_irq_disable(SBE_IRQ_SBEFIFO_RESET);
do
{
// Register the IRQ handler with PK
// FIFO New data available interrupt
l_rc = pk_irq_handler_set(SBE_IRQ_SBEFIFO_DATA,
sbe_fifo_interrupt_handler,
NULL);
if(l_rc)
{
SBE_ERROR (SBE_FUNC"pk_irq_handler_set failed, IRQ=[0x%02X], "
"rc=[%d]", SBE_IRQ_SBEFIFO_DATA, l_rc);
break;
}
// FIFO Reset request
l_rc = pk_irq_handler_set(SBE_IRQ_SBEFIFO_RESET,
sbe_fifo_interrupt_handler,
NULL);
if(l_rc)
{
SBE_ERROR (SBE_FUNC"pk_irq_handler_set failed, IRQ=[0x%02X], "
"rc=[%d]", SBE_IRQ_SBEFIFO_RESET, l_rc);
break;
}
// Enable the IRQ
pk_irq_enable(SBE_IRQ_SBEFIFO_RESET);
pk_irq_enable(SBE_IRQ_SBEFIFO_DATA);
} while(false);
return l_rc;
#undef SBE_FUNC
}
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