2 * (Hisilicon's SoC based) flattened device tree enabled machine
4 * Copyright (c) 2012-2013 Hisilicon Ltd.
5 * Copyright (c) 2012-2013 Linaro Ltd.
7 * Author: Haojian Zhuang <haojian.zhuang@linaro.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/clocksource.h>
15 #include <linux/irqchip.h>
17 #include <asm/mach/arch.h>
18 #include <asm/mach/map.h>
20 #define HI3620_SYSCTRL_PHYS_BASE 0xfc802000
21 #define HI3620_SYSCTRL_VIRT_BASE 0xfe802000
24 * This table is only for optimization. Since ioremap() could always share
25 * the same mapping if it's defined as static IO mapping.
27 * Without this table, system could also work. The cost is some virtual address
28 * spaces wasted since ioremap() may be called multi times for the same
31 static struct map_desc hi3620_io_desc[] __initdata = {
34 .pfn = __phys_to_pfn(HI3620_SYSCTRL_PHYS_BASE),
35 .virtual = HI3620_SYSCTRL_VIRT_BASE,
41 static void __init hi3620_map_io(void)
44 iotable_init(hi3620_io_desc, ARRAY_SIZE(hi3620_io_desc));
47 static const char *const hi3xxx_compat[] __initconst = {
48 "hisilicon,hi3620-hi4511",
52 DT_MACHINE_START(HI3620, "Hisilicon Hi3620 (Flattened Device Tree)")
53 .map_io = hi3620_map_io,
54 .dt_compat = hi3xxx_compat,