2 * Ralink SoC common setup
4 * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation.
12 #include <linux/kernel.h>
13 #include <linux/init.h>
15 #include <linux/serial_8250.h>
17 #include <asm/bootinfo.h>
18 #include <asm/addrspace.h>
20 #include <asm/mach-ralink/common.h>
21 #include <asm/mach-ralink/machine.h>
22 #include <ralink_soc.h>
24 unsigned char ramips_sys_type[RAMIPS_SYS_TYPE_LEN];
26 const char *get_system_type(void)
28 return ramips_sys_type;
31 static void __init detect_mem_size(void)
36 base = (void *) KSEG1ADDR(detect_mem_size);
37 for (size = RALINK_SOC_MEM_SIZE_MIN; size < RALINK_SOC_MEM_SIZE_MAX;
39 if (!memcmp(base, base + size, 1024))
43 add_memory_region(RALINK_SOC_SDRAM_BASE, size, BOOT_MEM_RAM);
46 void __init ramips_early_serial_setup(int line, unsigned base, unsigned freq,
52 memset(&p, 0, sizeof(p));
53 p.flags = UPF_SKIP_TEST | UPF_FIXED_TYPE;
60 p.membase = ioremap_nocache(p.mapbase, PAGE_SIZE);
64 err = early_serial_setup(&p);
66 printk(KERN_ERR "early serial%d registration failed %d\n",
70 void __init plat_mem_setup(void)
72 set_io_port_base(KSEG1);
78 __setup("board=", mips_machtype_setup);
80 static int __init ramips_machine_setup(void)
86 arch_initcall(ramips_machine_setup);
88 static void __init ramips_generic_init(void)
92 MIPS_MACHINE(RAMIPS_MACH_GENERIC, "Generic", "Generic Ralink board",