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imx27-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/mx27.h>
19 
20 static const struct of_dev_auxdata imx27_auxdata_lookup[] __initconst = {
21  OF_DEV_AUXDATA("fsl,imx27-uart", MX27_UART1_BASE_ADDR, "imx21-uart.0", NULL),
22  OF_DEV_AUXDATA("fsl,imx27-uart", MX27_UART2_BASE_ADDR, "imx21-uart.1", NULL),
23  OF_DEV_AUXDATA("fsl,imx27-uart", MX27_UART3_BASE_ADDR, "imx21-uart.2", NULL),
24  OF_DEV_AUXDATA("fsl,imx27-fec", MX27_FEC_BASE_ADDR, "imx27-fec.0", NULL),
25  OF_DEV_AUXDATA("fsl,imx27-i2c", MX27_I2C1_BASE_ADDR, "imx-i2c.0", NULL),
26  OF_DEV_AUXDATA("fsl,imx27-i2c", MX27_I2C2_BASE_ADDR, "imx-i2c.1", NULL),
27  OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI1_BASE_ADDR, "imx27-cspi.0", NULL),
28  OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI2_BASE_ADDR, "imx27-cspi.1", NULL),
29  OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI3_BASE_ADDR, "imx27-cspi.2", NULL),
30  OF_DEV_AUXDATA("fsl,imx27-wdt", MX27_WDOG_BASE_ADDR, "imx2-wdt.0", NULL),
31  OF_DEV_AUXDATA("fsl,imx27-nand", MX27_NFC_BASE_ADDR, "mxc_nand.0", NULL),
32  { /* sentinel */ }
33 };
34 
35 static void __init imx27_dt_init(void)
36 {
37  of_platform_populate(NULL, of_default_bus_match_table,
38  imx27_auxdata_lookup, NULL);
39 }
40 
41 static void __init imx27_timer_init(void)
42 {
44 }
45 
46 static struct sys_timer imx27_timer = {
47  .init = imx27_timer_init,
48 };
49 
50 static const char * const imx27_dt_board_compat[] __initconst = {
51  "fsl,imx27",
52  NULL
53 };
54 
55 DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)")
56  .map_io = mx27_map_io,
57  .init_early = imx27_init_early,
58  .init_irq = mx27_init_irq,
59  .handle_irq = imx27_handle_irq,
60  .timer = &imx27_timer,
61  .init_machine = imx27_dt_init,
62  .dt_compat = imx27_dt_board_compat,
63  .restart = mxc_restart,