/*
* hubspc_init
* Registration of the hubspc devices with the hub manager
*/
void
hubspc_init(void)
{
/*
* Register with the hub manager
*/
/* The reference counters */
hubdev_register(mem_refcnt_attach);
/* Prom space */
hubdev_register(cpuprom_attach);
#if defined(CONFIG_SERIAL_SGI_L1_PROTOCOL)
/* L1 system controller link */
if ( !IS_RUNNING_ON_SIMULATOR() ) {
/* initialize the L1 link */
void l1_cons_init( l1sc_t *sc );
elsc_t *get_elsc(void);
l1_cons_init((l1sc_t *)get_elsc());
}
#endif
#ifdef HUBSPC_DEBUG
printf("hubspc_init: Completed\n");
#endif /* HUBSPC_DEBUG */
/* Initialize spinlocks */
mutex_spinlock_init(&cpuprom_spinlock);
}
/*
* Allocate the map needed to allocate the ATE entries.
*/
struct map *
atemapalloc(ulong_t mapsiz)
{
struct map *mp;
ulong_t size;
struct a {
spinlock_t lock;
sv_t sema;
} *sync;
if (mapsiz == 0)
return(NULL);
size = sizeof(struct map) * (mapsiz + 2);
if ((mp = (struct map *) kmalloc(size, GFP_KERNEL)) == NULL)
return(NULL);
memset(mp, 0x0, size);
sync = kmalloc(sizeof(struct a), GFP_KERNEL);
if (sync == NULL) {
kfree(mp);
return(NULL);
}
memset(sync, 0x0, sizeof(struct a));
mutex_spinlock_init(&sync->lock);
sv_init( &(sync->sema), &(sync->lock), SV_MON_SPIN | SV_ORDER_FIFO /*| SV_INTS*/);
mp[1].m_size = (unsigned long) &sync->lock;
mp[1].m_addr = (unsigned long) &sync->sema;
mapsize(mp) = mapsiz - 1;
return(mp);
}
