+#include <asm/mach-ralink/machine.h>
+#include <ralink_soc.h>
+
+unsigned char ramips_sys_type[RAMIPS_SYS_TYPE_LEN];
+
+const char *get_system_type(void)
+{
+ return ramips_sys_type;
+}
+
+static void __init detect_mem_size(void)
+{
+ unsigned long size;
+
+ for (size = RALINK_SOC_MEM_SIZE_MIN; size < RALINK_SOC_MEM_SIZE_MAX;
+ size <<= 1 ) {
+ if (!memcmp(detect_mem_size,
+ detect_mem_size + size, 1024))
+ break;
+ }
+
+ add_memory_region(RALINK_SOC_SDRAM_BASE, size, BOOT_MEM_RAM);
+}
+
+void __init ramips_early_serial_setup(int line, unsigned base, unsigned freq,
+ unsigned irq)
+{
+ struct uart_port p;
+ int err;
+
+ memset(&p, 0, sizeof(p));
+ p.flags = UPF_SKIP_TEST;
+ p.iotype = UPIO_AU;
+ p.uartclk = freq;
+ p.regshift = 2;
+ p.type = PORT_16550A;
+
+ p.mapbase = base;
+ p.membase = ioremap_nocache(p.mapbase, PAGE_SIZE);
+ p.line = line;
+ p.irq = irq;
+
+ err = early_serial_setup(&p);
+ if (err)
+ printk(KERN_ERR "early serial%d registration failed %d\n",
+ line, err);
+}