u32 vexpress_get_hbi(int site)
{
u32 id;
switch (site) {
case VEXPRESS_SITE_MB:
id = readl(vexpress_sysreg_base + SYS_ID);
return (id >> SYS_ID_HBI_SHIFT) & SYS_HBI_MASK;
case VEXPRESS_SITE_MASTER:
case VEXPRESS_SITE_DB1:
case VEXPRESS_SITE_DB2:
id = vexpress_get_procid(site);
return (id >> SYS_PROCIDx_HBI_SHIFT) & SYS_HBI_MASK;
}
return ~0;
}
static void __init v2m_populate_ct_desc(void)
{
int i;
u32 current_tile_id;
ct_desc = NULL;
current_tile_id = vexpress_get_procid(VEXPRESS_SITE_MASTER)
& V2M_CT_ID_MASK;
for (i = 0; i < ARRAY_SIZE(ct_descs) && !ct_desc; ++i)
if (ct_descs[i]->id == current_tile_id)
ct_desc = ct_descs[i];
if (!ct_desc)
panic("vexpress: this kernel does not support core tile ID 0x%08x when booting via ATAGs.\n"
"You may need a device tree blob or a different kernel to boot on this board.\n",
current_tile_id);
}
