xref: /OK3568_Linux_fs/kernel/arch/arm/mach-imx/mach-imx1.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *  Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #include <linux/of_platform.h>
7*4882a593Smuzhiyun #include <asm/mach/arch.h>
8*4882a593Smuzhiyun #include <asm/mach/map.h>
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include "common.h"
11*4882a593Smuzhiyun #include "hardware.h"
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #define MX1_AVIC_ADDR	0x00223000
14*4882a593Smuzhiyun 
imx1_init_early(void)15*4882a593Smuzhiyun static void __init imx1_init_early(void)
16*4882a593Smuzhiyun {
17*4882a593Smuzhiyun 	mxc_set_cpu_type(MXC_CPU_MX1);
18*4882a593Smuzhiyun }
19*4882a593Smuzhiyun 
imx1_init_irq(void)20*4882a593Smuzhiyun static void __init imx1_init_irq(void)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun 	void __iomem *avic_addr;
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	avic_addr = ioremap(MX1_AVIC_ADDR, SZ_4K);
25*4882a593Smuzhiyun 	WARN_ON(!avic_addr);
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun 	mxc_init_irq(avic_addr);
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun static const char * const imx1_dt_board_compat[] __initconst = {
31*4882a593Smuzhiyun 	"fsl,imx1",
32*4882a593Smuzhiyun 	NULL
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun DT_MACHINE_START(IMX1_DT, "Freescale i.MX1 (Device Tree Support)")
36*4882a593Smuzhiyun 	.init_early	= imx1_init_early,
37*4882a593Smuzhiyun 	.init_irq	= imx1_init_irq,
38*4882a593Smuzhiyun 	.dt_compat	= imx1_dt_board_compat,
39*4882a593Smuzhiyun 	.restart	= mxc_restart,
40*4882a593Smuzhiyun MACHINE_END
41