void platform_init(unsigned long r3, unsigned long r4, unsigned long r5)
{
u32 heapsize = 24*1024*1024 - (u32)_end;
simple_alloc_init(_end, heapsize, 32, 64);
fdt_init(_dtb_start);
if (!ug_grab_io_base() && ug_is_adapter_present())
console_ops.write = ug_console_write;
platform_ops.fixups = platform_fixups;
save_lowmem_stub();
}
void *ug_probe(void)
{
void *exi_io_base;
int i;
exi_io_base = ug_grab_exi_io_base();
if (!exi_io_base)
return NULL;
/* look for a usbgecko on memcard slots A and B */
for (i = 0; i < 2; i++) {
ug_io_base = exi_io_base + 0x14 * i;
if (ug_is_adapter_present())
break;
}
if (i == 2)
ug_io_base = NULL;
return ug_io_base;
}