static void __iomem * __init earlycon_map(unsigned long paddr, size_t size)
{
void __iomem *base;
#ifdef CONFIG_FIX_EARLYCON_MEM
set_fixmap_io(FIX_EARLYCON_MEM_BASE, paddr & PAGE_MASK);
base = (void __iomem *)__fix_to_virt(FIX_EARLYCON_MEM_BASE);
base += paddr & ~PAGE_MASK;
#else
base = ioremap(paddr, size);
#endif
if (!base)
pr_err("%s: Couldn't map 0x%llx\n", __func__,
(unsigned long long)paddr);
return base;
}
/*
* Initialise the CPU possible map early - this describes the CPUs
* which may be present or become present in the system.
*/
static void __init arm_smp_init_cpus(void)
{
unsigned int i, ncores;
void __iomem *base;
set_fixmap_io(FIX_SMP_MEM_BASE, MSM_APCS_IDR & PAGE_MASK);
base = (void __iomem *)__fix_to_virt(FIX_SMP_MEM_BASE);
base += MSM_APCS_IDR & ~PAGE_MASK;
ncores = (__raw_readl(base)) & 0xF;
if (ncores > nr_cpu_ids) {
pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
ncores, nr_cpu_ids);
ncores = nr_cpu_ids;
}
for (i = 0; i < nr_cpu_ids; i++)
set_cpu_possible(i, true);
}