void set_thresholds(unsigned long cpu)
{
#ifdef CONFIG_TAU_INT
/*
* setup THRM1,
* threshold, valid bit, enable interrupts, interrupt when below threshold
*/
mtspr(SPRN_THRM1, THRM1_THRES(tau[cpu].low) | THRM1_V | THRM1_TIE | THRM1_TID);
/* setup THRM2,
* threshold, valid bit, enable interrupts, interrupt when above threshhold
*/
mtspr (SPRN_THRM2, THRM1_THRES(tau[cpu].high) | THRM1_V | THRM1_TIE);
#else
/* same thing but don't enable interrupts */
mtspr(SPRN_THRM1, THRM1_THRES(tau[cpu].low) | THRM1_V | THRM1_TID);
mtspr(SPRN_THRM2, THRM1_THRES(tau[cpu].high) | THRM1_V);
#endif
}
void set_thresholds(unsigned long cpu)
{
#ifdef CONFIG_TAU_INT
/*
*/
mtspr(SPRN_THRM1, THRM1_THRES(tau[cpu].low) | THRM1_V | THRM1_TIE | THRM1_TID);
/*
*/
mtspr (SPRN_THRM2, THRM1_THRES(tau[cpu].high) | THRM1_V | THRM1_TIE);
#else
/* */
mtspr(SPRN_THRM1, THRM1_THRES(tau[cpu].low) | THRM1_V | THRM1_TID);
mtspr(SPRN_THRM2, THRM1_THRES(tau[cpu].high) | THRM1_V);
#endif
}
static void
fix_thrm_spr( void )
{
ulong v, t;
int i;
if( !(mregs->spr[S_THRM3] & THRM3_E) )
return;
/* XXX: Thermal interrupts are unimplemented */
for( i=S_THRM1 ; i<= S_THRM2 ; i++ ) {
v = mregs->spr[i];
if( !(v & THRM1_V) )
continue;
v |= THRM1_TIV;
v &= ~THRM1_TIN;
t = v & THRM1_THRES(127);
if( (v & THRM1_TID) && t < THRM1_THRES(24) )
v |= THRM1_TIN;
if( !(v & THRM1_TID) && t > THRM1_THRES(24) )
v |= THRM1_TIN;
mregs->spr[i] = v;
}
}