EXPORT_SYMBOL(processor_id);
unsigned int __machine_arch_type;
EXPORT_SYMBOL(__machine_arch_type);
+unsigned int cacheid;
+EXPORT_SYMBOL(cacheid);
unsigned int __atags_pointer __initdata;
unsigned int elf_hwcap;
EXPORT_SYMBOL(elf_hwcap);
-unsigned long __initdata vmalloc_reserve = 128 << 20;
-
#ifdef MULTI_CPU
struct processor processor;
return cpu_arch;
}
+static void __init cacheid_init(void)
+{
+ unsigned int cachetype = read_cpuid_cachetype();
+ unsigned int arch = cpu_architecture();
+
+ if (arch >= CPU_ARCH_ARMv7) {
+ cacheid = CACHEID_VIPT_NONALIASING;
+ if ((cachetype & (3 << 14)) == 1 << 14)
+ cacheid |= CACHEID_ASID_TAGGED;
+ } else if (arch >= CPU_ARCH_ARMv6) {
+ if (cachetype & (1 << 23))
+ cacheid = CACHEID_VIPT_ALIASING;
+ else
+ cacheid = CACHEID_VIPT_NONALIASING;
+ } else {
+ cacheid = CACHEID_VIVT;
+ }
+
+ printk("CPU: %s data cache, %s instruction cache\n",
+ cache_is_vivt() ? "VIVT" :
+ cache_is_vipt_aliasing() ? "VIPT aliasing" :
+ cache_is_vipt_nonaliasing() ? "VIPT nonaliasing" : "unknown",
+ cache_is_vivt() ? "VIVT" :
+ icache_is_vivt_asid_tagged() ? "VIVT ASID tagged" :
+ cache_is_vipt_aliasing() ? "VIPT aliasing" :
+ cache_is_vipt_nonaliasing() ? "VIPT nonaliasing" : "unknown");
+}
+
/*
* These functions re-use the assembly code in head.S, which
* already provide the required functionality.
elf_hwcap &= ~HWCAP_THUMB;
#endif
+ cacheid_init();
cpu_proc_init();
}
}
__early_param("mem=", early_mem);
-/*
- * vmalloc=size forces the vmalloc area to be exactly 'size'
- * bytes. This can be used to increase (or decrease) the vmalloc
- * area - the default is 128m.
- */
-static void __init early_vmalloc(char **arg)
-{
- vmalloc_reserve = memparse(*arg, arg);
-}
-__early_param("vmalloc=", early_vmalloc);
-
/*
* Initial parsing of the command line.
*/
kernel_data.end = virt_to_phys(&_end - 1);
for (i = 0; i < mi->nr_banks; i++) {
- unsigned long virt_start, virt_end;
-
if (mi->bank[i].size == 0)
continue;
- virt_start = __phys_to_virt(mi->bank[i].start);
- virt_end = virt_start + mi->bank[i].size - 1;
-
res = alloc_bootmem_low(sizeof(*res));
res->name = "System RAM";
- res->start = __virt_to_phys(virt_start);
- res->end = __virt_to_phys(virt_end);
+ res->start = mi->bank[i].start;
+ res->end = mi->bank[i].start + mi->bank[i].size - 1;
res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
request_resource(&iomem_resource, res);