1 /*
2 * (Hisilicon's SoC based) flattened device tree enabled machine
3 *
4 * Copyright (c) 2012-2013 Hisilicon Ltd.
5 * Copyright (c) 2012-2013 Linaro Ltd.
6 *
7 * Author: Haojian Zhuang <haojian.zhuang@linaro.org>
8 *
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.
12 */
13
14 #include <linux/clocksource.h>
15 #include <linux/irqchip.h>
16
17 #include <asm/mach/arch.h>
18 #include <asm/mach/map.h>
19
20 #define HI3620_SYSCTRL_PHYS_BASE 0xfc802000
21 #define HI3620_SYSCTRL_VIRT_BASE 0xfe802000
22
23 /*
24 * This table is only for optimization. Since ioremap() could always share
25 * the same mapping if it's defined as static IO mapping.
26 *
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
29 * IO space.
30 */
31 static struct map_desc hi3620_io_desc[] __initdata = {
32 {
33 /* sysctrl */
34 .pfn = __phys_to_pfn(HI3620_SYSCTRL_PHYS_BASE),
35 .virtual = HI3620_SYSCTRL_VIRT_BASE,
36 .length = 0x1000,
37 .type = MT_DEVICE,
38 },
39 };
40
hi3620_map_io(void)41 static void __init hi3620_map_io(void)
42 {
43 debug_ll_io_init();
44 iotable_init(hi3620_io_desc, ARRAY_SIZE(hi3620_io_desc));
45 }
46
47 static const char *const hi3xxx_compat[] __initconst = {
48 "hisilicon,hi3620-hi4511",
49 NULL,
50 };
51
52 DT_MACHINE_START(HI3620, "Hisilicon Hi3620 (Flattened Device Tree)")
53 .map_io = hi3620_map_io,
54 .dt_compat = hi3xxx_compat,
55 MACHINE_END
56
57 static const char *const hix5hd2_compat[] __initconst = {
58 "hisilicon,hix5hd2",
59 NULL,
60 };
61
62 DT_MACHINE_START(HIX5HD2_DT, "Hisilicon HIX5HD2 (Flattened Device Tree)")
63 .dt_compat = hix5hd2_compat,
64 MACHINE_END
65
66 static const char *const hip04_compat[] __initconst = {
67 "hisilicon,hip04-d01",
68 NULL,
69 };
70
71 DT_MACHINE_START(HIP04, "Hisilicon HiP04 (Flattened Device Tree)")
72 .dt_compat = hip04_compat,
73 MACHINE_END
74
75 static const char *const hip01_compat[] __initconst = {
76 "hisilicon,hip01",
77 "hisilicon,hip01-ca9x2",
78 NULL,
79 };
80
81 DT_MACHINE_START(HIP01, "Hisilicon HIP01 (Flattened Device Tree)")
82 .dt_compat = hip01_compat,
83 MACHINE_END
84