xref: /openbmc/linux/arch/arm/mach-imx/mach-imx25.c (revision 160b8e75)
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_address.h>
14 #include <linux/of_irq.h>
15 #include <linux/of_platform.h>
16 #include <asm/mach/arch.h>
17 #include <asm/mach/time.h>
18 #include "common.h"
19 #include "hardware.h"
20 
21 static void __init imx25_init_early(void)
22 {
23 	mxc_set_cpu_type(MXC_CPU_MX25);
24 }
25 
26 static void __init imx25_dt_init(void)
27 {
28 	imx_aips_allow_unprivileged_access("fsl,imx25-aips");
29 }
30 
31 static void __init mx25_init_irq(void)
32 {
33 	struct device_node *np;
34 	void __iomem *avic_base;
35 
36 	np = of_find_compatible_node(NULL, NULL, "fsl,avic");
37 	avic_base = of_iomap(np, 0);
38 	BUG_ON(!avic_base);
39 	mxc_init_irq(avic_base);
40 }
41 
42 static const char * const imx25_dt_board_compat[] __initconst = {
43 	"fsl,imx25",
44 	NULL
45 };
46 
47 DT_MACHINE_START(IMX25_DT, "Freescale i.MX25 (Device Tree Support)")
48 	.init_early	= imx25_init_early,
49 	.init_machine	= imx25_dt_init,
50 	.init_late      = imx25_pm_init,
51 	.init_irq	= mx25_init_irq,
52 	.dt_compat	= imx25_dt_board_compat,
53 MACHINE_END
54