Linux Kernel  3.7.1
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imx31-dt.c
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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 {
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,