Commit | Line | Data |
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3b52634f MR |
1 | /* |
2 | * Device Tree support for Allwinner A1X SoCs | |
3 | * | |
4 | * Copyright (C) 2012 Maxime Ripard | |
5 | * | |
6 | * Maxime Ripard <maxime.ripard@free-electrons.com> | |
7 | * | |
8 | * This file is licensed under the terms of the GNU General Public | |
9 | * License version 2. This program is licensed "as is" without any | |
10 | * warranty of any kind, whether express or implied. | |
11 | */ | |
12 | ||
13 | #include <linux/kernel.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/of_irq.h> | |
16 | #include <linux/of_platform.h> | |
17 | #include <linux/io.h> | |
18 | #include <linux/sunxi_timer.h> | |
19 | ||
20 | #include <linux/irqchip/sunxi.h> | |
21 | ||
22 | #include <asm/hardware/vic.h> | |
23 | ||
24 | #include <asm/mach/arch.h> | |
25 | #include <asm/mach/map.h> | |
26 | ||
27 | #include "sunxi.h" | |
28 | ||
29 | static struct map_desc sunxi_io_desc[] __initdata = { | |
30 | { | |
31 | .virtual = (unsigned long) SUNXI_REGS_VIRT_BASE, | |
32 | .pfn = __phys_to_pfn(SUNXI_REGS_PHYS_BASE), | |
33 | .length = SUNXI_REGS_SIZE, | |
34 | .type = MT_DEVICE, | |
35 | }, | |
36 | }; | |
37 | ||
38 | void __init sunxi_map_io(void) | |
39 | { | |
40 | iotable_init(sunxi_io_desc, ARRAY_SIZE(sunxi_io_desc)); | |
41 | } | |
42 | ||
43 | static void __init sunxi_dt_init(void) | |
44 | { | |
45 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); | |
46 | } | |
47 | ||
48 | static const char * const sunxi_board_dt_compat[] = { | |
49 | "allwinner,sun5i", | |
50 | NULL, | |
51 | }; | |
52 | ||
53 | DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)") | |
54 | .init_machine = sunxi_dt_init, | |
55 | .map_io = sunxi_map_io, | |
56 | .init_irq = sunxi_init_irq, | |
57 | .handle_irq = sunxi_handle_irq, | |
58 | .timer = &sunxi_timer, | |
59 | .dt_compat = sunxi_board_dt_compat, | |
60 | MACHINE_END |