//------------------------------------------------------------------------------
//
// Function: BSPIntrActiveIrq
//
// This function is called from interrupt handler to give BSP chance to
// translate IRQ in case of secondary interrupt controller.
//
UINT32 BSPIntrActiveIrq(UINT32 irq)
{
UINT8 data;
UINT32 doneIrq;
OALMSG(OAL_INTR&&OAL_VERBOSE, (L"+BSPIntrActiveIrq(%d)\r\n", irq));
switch(irq)
{
case IRQ_GPIO:
// Check whether alarm happen
if(OALRTCAlarmIntrHandler() == FALSE) {
irq = OAL_INTR_IRQ_UNDEFINED;
}
// Acknowledge GPIO interrupt
OUTREG32(&g_pVRC5477Regs->GIUINSTAT, 0xffffffff);
// Re-enable IRQ_GPIO interrupt on VRC5477
doneIrq = IRQ_GPIO;
OALIntrDoneIrqs(1, &doneIrq);
break;
case IRQ_INTC:
// Read PIC1 interrupt
OUTREG8(&g_pPIC1Regs->ctrl, 0x0E);
data = INREG8(&g_pPIC1Regs->data) & 0x07;
if (data != 2) {
irq = IRQ_PIC_0 + data;
SETREG8(&g_pPIC1Regs->mask, 1 << data);
} else {
// Read PIC2 interrupt
OUTREG8(&g_pPIC2Regs->ctrl, 0x0E);
data = INREG8(&g_pPIC2Regs->data) & 0x07;
irq = IRQ_PIC_8 + data;
SETREG8(&g_pPIC2Regs->mask, 1 << data);
// End interrupt on PIC2
OUTREG8(&g_pPIC2Regs->ctrl, 0x20);
}
// End interrupt on PIC1
OUTREG8(&g_pPIC1Regs->ctrl, 0x20);
// Re-enable IRQ_INTC interrupt on VRC5477
doneIrq = IRQ_INTC;
OALIntrDoneIrqs(1, &doneIrq);
break;
}
OALMSG(OAL_INTR&&OAL_VERBOSE, (L"-BSPIntrActiveIrq(%d)\r\n", irq));
return irq;
}
//------------------------------------------------------------------------------
//
// Function: OEMInterruptDone
//
// OEMInterruptDone is called by the kernel when a device driver
// calls InterruptDone(). The system is not preemtible when this
// function is called.
//
VOID
OEMInterruptDone(DWORD sysIntr)
{
OALMSG(OAL_INTR&&OAL_VERBOSE, (L"+OEMInterruptDone(%d)\r\n", sysIntr));
// Re-enable interrupts
OALIntrDoneIrqs(1, &g_oalSysIntr2Irq[sysIntr]);
OALMSG(OAL_INTR&&OAL_VERBOSE, (L"-OEMInterruptDone\r\n"));
}
//------------------------------------------------------------------------------
//
// Function: OEMSetAlarmTime
//
// Set the RTC alarm time.
//
BOOL OEMSetAlarmTime(SYSTEMTIME *pTime)
{
BOOL rc = FALSE;
volatile S3C6400_RTC_REG *pRTCReg;
UINT32 irq;
if (pTime == NULL) goto cleanUp;
OALMSG(OAL_RTC&&OAL_FUNC, (
L"+OEMSetAlarmTime(%d/%d/%d %d:%d:%d.%03d)\r\n",
pTime->wMonth, pTime->wDay, pTime->wYear, pTime->wHour, pTime->wMinute,
pTime->wSecond, pTime->wMilliseconds));
OALMSG(TRUE, (
L"+OEMSetAlarmTime(%d/%d/%d %d:%d:%d.%03d)\r\n",
pTime->wMonth, pTime->wDay, pTime->wYear, pTime->wHour, pTime->wMinute,
pTime->wSecond, pTime->wMilliseconds));
// Get uncached virtual address
pRTCReg = (S3C6400_RTC_REG *)OALPAtoVA(S3C6400_BASE_REG_PA_RTC, FALSE);
// Enable RTC control
pRTCReg->RTCCON |= (1<<0);
pRTCReg->ALMSEC = TO_BCD(pTime->wSecond);
pRTCReg->ALMMIN = TO_BCD(pTime->wMinute);
pRTCReg->ALMHOUR = TO_BCD(pTime->wHour);
pRTCReg->ALMDATE = TO_BCD(pTime->wDay);
pRTCReg->ALMMON = TO_BCD(pTime->wMonth);
pRTCReg->ALMYEAR = TO_BCD(pTime->wYear - RTC_YEAR_DATUM);
// Enable the RTC Alarm
pRTCReg->RTCALM = 0x7f;
// Disable RTC control.
pRTCReg->RTCCON &= ~(1<<0);
// Clear RTC Alarm Interrupt Pending
pRTCReg->INTP |= (1<<1);
// Enable and Clear RTC Alarm Interrupt
irq = IRQ_RTC_ALARM;
OALIntrDoneIrqs(1, &irq);
// Done
rc = TRUE;
cleanUp:
OALMSG(OAL_RTC&&OAL_FUNC, (L"-OEMSetAlarmTime(rc = %d)\r\n", rc));
return rc;
}
//------------------------------------------------------------------------------
//
// Function: OEMProfileTimerEnable
//
// This function is called by kernel to start kernel profiling timer.
//
VOID OEMProfileTimerEnable(DWORD interval)
{
BOOL enabled;
UINT32 irq;
OALMSG(TRUE, (L"+OEMProfileTimerEnable(%d)\r\n", interval));
// We can't enable timer second time
if (g_profiler.enabled) return;
// How many hi-res ticks per profiler hit
g_profiler.countsPerHit = (g_oalTimer.countsPerMSec * interval)/1000;
// Following code should not be interrupted
enabled = INTERRUPTS_ENABLE(FALSE);
// Configure profiling ISR callback function.
g_pProfilerISR = OALProfileIntrHandler;
// Obtain pointers to OST and INTC registers.
//
g_XllpOSTHandle.pOSTRegs = OALPAtoVA(BULVERDE_BASE_REG_PA_OST, FALSE);
g_XllpOSTHandle.pINTCRegs = OALPAtoVA(BULVERDE_BASE_REG_PA_INTC, FALSE);
// XLLI initializes oier and rtsr to zeroes, so no further
// initialization needs to be done. Match timers and
// alarms are disabled.
//
// Current usage of Match registers:
// M0 - Scheduler
// M1 - Touch Panel
// M2 - Profiler
// Update the compare register for the next profile hit.
//
XllpOstConfigureMatchReg(
&g_XllpOSTHandle, MatchReg2, g_profiler.countsPerHit
);
// Enable interrupts
INTERRUPTS_ENABLE(enabled);
irq = IRQ_OSMR2;
OALIntrDoneIrqs(1, &irq);
// Set flag
g_profiler.enabled = TRUE;
OALMSG(TRUE, (L"-OEMProfileTimerEnable\r\n"));
}
//------------------------------------------------------------------------------
//
// Function: OALProfileIntrHandler
//
// This is timer interrupt handler which replace default handler in time when
// kernel profiling is active. It calls original interrupt handler in
// appropriate times.
//
UINT32 OALProfileIntrHandler(UINT32 ra)
{
UINT32 irq;
// Update the compare register for the next profile hit.
ConfigureNextProfilerCount(g_profiler.countsPerHit);
// First call profiler
ProfilerHit(ra);
// Enable interrupts
irq = IRQ_TIMER2;
OALIntrDoneIrqs(1, &irq);
return(SYSINTR_NOP);
}
//------------------------------------------------------------------------------
//
// Function: OALProfileIntrHandler
//
// This is timer interrupt handler which replace default handler in time when
// kernel profiling is active. It calls original interrupt handler in
// appropriate times.
//
UINT32 OALProfileIntrHandler(UINT32 ra)
{
UINT32 irq;
// Update the compare register for the next profile hit.
XllpOstConfigureMatchReg(
&g_XllpOSTHandle, MatchReg2, g_profiler.countsPerHit
);
// First call profiler
ProfilerHit(ra);
// Enable interrupts
irq = IRQ_OSMR2;
OALIntrDoneIrqs(1, &irq);
return SYSINTR_NOP;
}
//------------------------------------------------------------------------------
//
// Function: OEMSetAlarmTime
//
// Set the RTC alarm time.
//
BOOL OEMSetAlarmTime(SYSTEMTIME *pTime)
{
BOOL rc = FALSE;
S3C2410X_RTC_REG *pRTCReg;
UINT32 irq;
OALMSG(OAL_RTC&&OAL_FUNC, (
L"+OEMSetAlarmTime(%d/%d/%d %d:%d:%d.%03d)\r\n",
pTime->wMonth, pTime->wDay, pTime->wYear, pTime->wHour, pTime->wMinute,
pTime->wSecond, pTime->wMilliseconds
));
if (pTime == NULL) goto cleanUp;
// Get uncached virtual address
pRTCReg = OALPAtoVA(S3C2410X_BASE_REG_PA_RTC, FALSE);
// Enable RTC control
SETREG32(&pRTCReg->RTCCON, 1);
OUTPORT32(&pRTCReg->ALMSEC, TO_BCD(pTime->wSecond));
OUTPORT32(&pRTCReg->ALMMIN, TO_BCD(pTime->wMinute));
OUTPORT32(&pRTCReg->ALMHOUR, TO_BCD(pTime->wHour));
OUTPORT32(&pRTCReg->ALMDATE, TO_BCD(pTime->wDay));
OUTPORT32(&pRTCReg->ALMMON, TO_BCD(pTime->wMonth));
OUTPORT32(&pRTCReg->ALMYEAR, TO_BCD(pTime->wYear - RTC_YEAR_DATUM));
// Enable the RTC alarm interrupt
OUTPORT32(&pRTCReg->RTCALM, 0x7F);
// Disable RTC control.
CLRREG32(&pRTCReg->RTCCON, 1);
// Enable/clear RTC interrupt
irq = IRQ_RTC;
OALIntrDoneIrqs(1, &irq);
// Done
rc = TRUE;
cleanUp:
OALMSG(OAL_RTC&&OAL_FUNC, (L"-OEMSetAlarmTime(rc = %d)\r\n", rc));
return rc;
}
//------------------------------------------------------------------------------
//
// Function: OEMInterruptDone
//
// OEMInterruptDone is called by the kernel when a device driver
// calls InterruptDone(). The system is not preemtible when this
// function is called.
//
VOID OEMInterruptDone(DWORD sysIntr)
{
const UINT32 *pIrqs;
UINT32 count;
//BOOL bPrevIntrState;
//OALMSG(OAL_INTR&&OAL_VERBOSE, (L"+OEMInterruptDone(%d)\r\n", sysIntr));
// Make sure interrupts are disabled
//bPrevIntrState = INTERRUPTS_ENABLE(FALSE);
if (OALIntrTranslateSysIntr(sysIntr, &count, &pIrqs)) {
OALIntrDoneIrqs(count, pIrqs);
}
// Return interrupts to last state
//INTERRUPTS_ENABLE(bPrevIntrState);
//OALMSG(OAL_INTR&&OAL_VERBOSE, (L"-OEMInterruptDone\r\n"));
}
//------------------------------------------------------------------------------
//
// Function: OEMProfileTimerEnable
//
// This function is called by kernel to start kernel profiling timer.
//
VOID OEMProfileTimerEnable(DWORD interval)
{
BOOL enabled;
UINT32 irq;
OALMSG(TRUE, (L"+OEMProfileTimerEnable(%d)\r\n", interval));
// We can't enable timer second time
if (g_profiler.enabled) return;
// Obtain a pointer to the PWM registers.
if (!g_pPWMRegs)
{
g_pPWMRegs = (S3C2450_PWM_REG *) OALPAtoVA(S3C2450_BASE_REG_PA_PWM, FALSE);
}
// How many hi-res ticks per profiler hit
g_profiler.countsPerHit = (g_oalTimer.countsPerMSec * interval)/1000;
// Following code should not be interrupted
enabled = INTERRUPTS_ENABLE(FALSE);
// Configure profiling ISR callback function.
g_pProfilerISR = OALProfileIntrHandler;
// Update the compare register for the next profile hit.
ConfigureNextProfilerCount(g_profiler.countsPerHit);
// Enable interrupts
INTERRUPTS_ENABLE(enabled);
irq = IRQ_TIMER2;
OALIntrDoneIrqs(1, &irq);
// Set flag
g_profiler.enabled = TRUE;
OALMSG(TRUE, (L"-OEMProfileTimerEnable\r\n"));
}
//------------------------------------------------------------------------------
//
// Function: OEMSetAlarmTime
//
// Set the RTC alarm time.
//
BOOL OEMSetAlarmTime(SYSTEMTIME *pTime)
{
BOOL rc = FALSE;
volatile S3C6410_RTC_REG *pRTCReg;
UINT32 irq;
BOOL csEnter;
/* can get called before IoctlHalInitRTC, if so then don't try to
enter (uninitialized) cs (kernel should be single-proc, single-threaded here) */
if (g_oalRTCcsInit)
{
EnterCriticalSection(&g_oalRTCcs);
csEnter = TRUE;
}
else
csEnter = FALSE;
if (pTime == NULL) goto cleanUp;
OALMSG(OAL_RTC&&OAL_FUNC, (
L"+OEMSetAlarmTime(%d/%d/%d %d:%d:%d.%03d)\r\n",
pTime->wMonth, pTime->wDay, pTime->wYear, pTime->wHour, pTime->wMinute,
pTime->wSecond, pTime->wMilliseconds));
OALMSG(TRUE, (
L"+OEMSetAlarmTime(%d/%d/%d %d:%d:%d.%03d)\r\n",
pTime->wMonth, pTime->wDay, pTime->wYear, pTime->wHour, pTime->wMinute,
pTime->wSecond, pTime->wMilliseconds));
// The RTC will only support a BCD year value of 0 - 99. The year datum is
// 1980, so any dates greater than 2079 will fail unless the datum is
// adjusted.
if ((pTime->wYear <RTC_YEAR_DATUM)
|| ((pTime->wYear - RTC_YEAR_DATUM) > 99))
{
OALMSG(OAL_ERROR, (L"ERROR: OEMSetRealTime: "
L"RTC cannot support a year greater than %d or less than %d "
L"(value %d)\r\n", (RTC_YEAR_DATUM + 99), RTC_YEAR_DATUM,
pTime->wYear));
goto cleanUp;
}
// Get uncached virtual address
pRTCReg = (S3C6410_RTC_REG *)OALPAtoVA(S3C6410_BASE_REG_PA_RTC, FALSE);
// Enable RTC control
pRTCReg->RTCCON |= (1<<0);
pRTCReg->ALMSEC = TO_BCD(pTime->wSecond);
pRTCReg->ALMMIN = TO_BCD(pTime->wMinute);
pRTCReg->ALMHOUR = TO_BCD(pTime->wHour);
pRTCReg->ALMDATE = TO_BCD(pTime->wDay);
pRTCReg->ALMMON = TO_BCD(pTime->wMonth);
pRTCReg->ALMYEAR = TO_BCD(pTime->wYear - RTC_YEAR_DATUM);
// Enable the RTC Alarm
pRTCReg->RTCALM = 0x7f;
// Disable RTC control.
pRTCReg->RTCCON &= ~(1<<0);
// Clear RTC Alarm Interrupt Pending
pRTCReg->INTP |= (1<<1);
// Enable and Clear RTC Alarm Interrupt
irq = IRQ_RTC_ALARM;
OALIntrDoneIrqs(1, &irq);
// Done
rc = TRUE;
cleanUp:
OALMSG(OAL_RTC&&OAL_FUNC, (L"-OEMSetAlarmTime(rc = %d)\r\n", rc));
if (csEnter)
LeaveCriticalSection(&g_oalRTCcs);
return rc;
}