/*
* Document me.
*/
void __init
iSeries_setup_arch(void)
{
void * eventStack;
unsigned procIx = get_paca()->xLpPaca.xDynHvPhysicalProcIndex;
/* Setup the Lp Event Queue */
/* Allocate a page for the Event Stack
* The hypervisor wants the absolute real address, so
* we subtract out the KERNELBASE and add in the
* absolute real address of the kernel load area
*/
eventStack = alloc_bootmem_pages( LpEventStackSize );
memset( eventStack, 0, LpEventStackSize );
/* Invoke the hypervisor to initialize the event stack */
HvCallEvent_setLpEventStack( 0, eventStack, LpEventStackSize );
/* Initialize fields in our Lp Event Queue */
xItLpQueue.xSlicEventStackPtr = (char *)eventStack;
xItLpQueue.xSlicCurEventPtr = (char *)eventStack;
xItLpQueue.xSlicLastValidEventPtr = (char *)eventStack +
(LpEventStackSize - LpEventMaxSize);
xItLpQueue.xIndex = 0;
/* Compute processor frequency */
procFreqHz = (((1UL<<34) * 1000000) / xIoHriProcessorVpd[procIx].xProcFreq );
procFreqMhz = procFreqHz / 1000000;
procFreqMhzHundreths = (procFreqHz/10000) - (procFreqMhz*100);
ppc_proc_freq = procFreqHz;
/* Compute time base frequency */
tbFreqHz = (((1UL<<32) * 1000000) / xIoHriProcessorVpd[procIx].xTimeBaseFreq );
tbFreqMhz = tbFreqHz / 1000000;
tbFreqMhzHundreths = (tbFreqHz/10000) - (tbFreqMhz*100);
ppc_tb_freq = tbFreqHz;
printk("Max logical processors = %d\n",
itVpdAreas.xSlicMaxLogicalProcs );
printk("Max physical processors = %d\n",
itVpdAreas.xSlicMaxPhysicalProcs );
printk("Processor frequency = %lu.%02lu\n",
procFreqMhz,
procFreqMhzHundreths );
printk("Time base frequency = %lu.%02lu\n",
tbFreqMhz,
tbFreqMhzHundreths );
printk("Processor version = %x\n",
xIoHriProcessorVpd[procIx].xPVR );
}
/*
* Document me.
*/
static void __init iSeries_setup_arch(void)
{
void *eventStack;
unsigned procIx = get_paca()->lppaca.dyn_hv_phys_proc_index;
/* Add an eye catcher and the systemcfg layout version number */
strcpy(systemcfg->eye_catcher, "SYSTEMCFG:PPC64");
systemcfg->version.major = SYSTEMCFG_MAJOR;
systemcfg->version.minor = SYSTEMCFG_MINOR;
/* Setup the Lp Event Queue */
/* Allocate a page for the Event Stack
* The hypervisor wants the absolute real address, so
* we subtract out the KERNELBASE and add in the
* absolute real address of the kernel load area
*/
eventStack = alloc_bootmem_pages(LpEventStackSize);
memset(eventStack, 0, LpEventStackSize);
/* Invoke the hypervisor to initialize the event stack */
HvCallEvent_setLpEventStack(0, eventStack, LpEventStackSize);
/* Initialize fields in our Lp Event Queue */
xItLpQueue.xSlicEventStackPtr = (char *)eventStack;
xItLpQueue.xSlicCurEventPtr = (char *)eventStack;
xItLpQueue.xSlicLastValidEventPtr = (char *)eventStack +
(LpEventStackSize - LpEventMaxSize);
xItLpQueue.xIndex = 0;
/* Compute processor frequency */
procFreqHz = ((1UL << 34) * 1000000) /
xIoHriProcessorVpd[procIx].xProcFreq;
procFreqMhz = procFreqHz / 1000000;
procFreqMhzHundreths = (procFreqHz / 10000) - (procFreqMhz * 100);
ppc_proc_freq = procFreqHz;
/* Compute time base frequency */
tbFreqHz = ((1UL << 32) * 1000000) /
xIoHriProcessorVpd[procIx].xTimeBaseFreq;
tbFreqMhz = tbFreqHz / 1000000;
tbFreqMhzHundreths = (tbFreqHz / 10000) - (tbFreqMhz * 100);
ppc_tb_freq = tbFreqHz;
printk("Max logical processors = %d\n",
itVpdAreas.xSlicMaxLogicalProcs);
printk("Max physical processors = %d\n",
itVpdAreas.xSlicMaxPhysicalProcs);
printk("Processor frequency = %lu.%02lu\n", procFreqMhz,
procFreqMhzHundreths);
printk("Time base frequency = %lu.%02lu\n", tbFreqMhz,
tbFreqMhzHundreths);
systemcfg->processor = xIoHriProcessorVpd[procIx].xPVR;
printk("Processor version = %x\n", systemcfg->processor);
}
void __init setup_hvlpevent_queue(void)
{
void *eventStack;
spin_lock_init(&hvlpevent_queue.hq_lock);
/* Allocate a page for the Event Stack. */
eventStack = alloc_bootmem_pages(IT_LP_EVENT_STACK_SIZE);
memset(eventStack, 0, IT_LP_EVENT_STACK_SIZE);
/* Invoke the hypervisor to initialize the event stack */
HvCallEvent_setLpEventStack(0, eventStack, IT_LP_EVENT_STACK_SIZE);
hvlpevent_queue.hq_event_stack = eventStack;
hvlpevent_queue.hq_current_event = eventStack;
hvlpevent_queue.hq_last_event = (char *)eventStack +
(IT_LP_EVENT_STACK_SIZE - IT_LP_EVENT_MAX_SIZE);
hvlpevent_queue.hq_index = 0;
}