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d2a37b3d DGC |
1 | /* |
2 | * Copyright 2012 Sascha Hauer, Pengutronix | |
3 | * | |
4 | * The code contained herein is licensed under the GNU General Public | |
5 | * License. You may obtain a copy of the GNU General Public License | |
6 | * Version 2 or later at the following locations: | |
7 | * | |
8 | * http://www.opensource.org/licenses/gpl-license.html | |
9 | * http://www.gnu.org/copyleft/gpl.html | |
10 | */ | |
11 | ||
12 | #include <linux/irq.h> | |
13 | #include <linux/of_irq.h> | |
14 | #include <linux/of_platform.h> | |
15 | #include <asm/mach/arch.h> | |
16 | #include <asm/mach/time.h> | |
17 | #include <mach/common.h> | |
18 | #include <mach/mx31.h> | |
19 | ||
20 | static const struct of_dev_auxdata imx31_auxdata_lookup[] __initconst = { | |
21 | OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART1_BASE_ADDR, | |
22 | "imx21-uart.0", NULL), | |
23 | OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART2_BASE_ADDR, | |
24 | "imx21-uart.1", NULL), | |
25 | OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART3_BASE_ADDR, | |
26 | "imx21-uart.2", NULL), | |
27 | OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART4_BASE_ADDR, | |
28 | "imx21-uart.3", NULL), | |
29 | OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART5_BASE_ADDR, | |
30 | "imx21-uart.4", NULL), | |
31 | { /* sentinel */ } | |
32 | }; | |
33 | ||
34 | static void __init imx31_dt_init(void) | |
35 | { | |
36 | of_platform_populate(NULL, of_default_bus_match_table, | |
37 | imx31_auxdata_lookup, NULL); | |
38 | } | |
39 | ||
40 | static void __init imx31_timer_init(void) | |
41 | { | |
42 | mx31_clocks_init_dt(); | |
43 | } | |
44 | ||
45 | static struct sys_timer imx31_timer = { | |
46 | .init = imx31_timer_init, | |
47 | }; | |
48 | ||
49 | static const char *imx31_dt_board_compat[] __initdata = { | |
50 | "fsl,imx31", | |
51 | NULL | |
52 | }; | |
53 | ||
54 | DT_MACHINE_START(IMX31_DT, "Freescale i.MX31 (Device Tree Support)") | |
55 | .map_io = mx31_map_io, | |
56 | .init_early = imx31_init_early, | |
57 | .init_irq = mx31_init_irq, | |
58 | .handle_irq = imx31_handle_irq, | |
59 | .timer = &imx31_timer, | |
60 | .init_machine = imx31_dt_init, | |
61 | .dt_compat = imx31_dt_board_compat, | |
62 | .restart = mxc_restart, | |
63 | MACHINE_END |