xref: /linux/arch/arm/mach-imx/mach-imx25.c (revision c79c3c34f75d72a066e292b10aa50fc758c97c89)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright 2012 Sascha Hauer, Pengutronix
4  */
5 
6 #include <linux/irq.h>
7 #include <linux/of_address.h>
8 #include <linux/of_irq.h>
9 #include <linux/of_platform.h>
10 #include <asm/mach/arch.h>
11 #include <asm/mach/time.h>
12 #include "common.h"
13 #include "hardware.h"
14 
15 static void __init imx25_init_early(void)
16 {
17 	mxc_set_cpu_type(MXC_CPU_MX25);
18 }
19 
20 static void __init imx25_dt_init(void)
21 {
22 	imx_aips_allow_unprivileged_access("fsl,imx25-aips");
23 }
24 
25 static void __init mx25_init_irq(void)
26 {
27 	struct device_node *np;
28 	void __iomem *avic_base;
29 
30 	np = of_find_compatible_node(NULL, NULL, "fsl,avic");
31 	avic_base = of_iomap(np, 0);
32 	BUG_ON(!avic_base);
33 	mxc_init_irq(avic_base);
34 }
35 
36 static const char * const imx25_dt_board_compat[] __initconst = {
37 	"fsl,imx25",
38 	NULL
39 };
40 
41 DT_MACHINE_START(IMX25_DT, "Freescale i.MX25 (Device Tree Support)")
42 	.init_early	= imx25_init_early,
43 	.init_machine	= imx25_dt_init,
44 	.init_late      = imx25_pm_init,
45 	.init_irq	= mx25_init_irq,
46 	.dt_compat	= imx25_dt_board_compat,
47 MACHINE_END
48