1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * Copyright 2012 Sascha Hauer, Pengutronix
 4 */
 5
 6#include <linux/init.h>
 7#include <linux/irq.h>
 8#include <linux/of_address.h>
 9#include <linux/of_irq.h>
10#include <linux/of_platform.h>
11#include <linux/mm.h>
12#include <asm/mach/arch.h>
13#include <asm/mach/map.h>
14#include <asm/mach/time.h>
15
16#include "common.h"
17#include "hardware.h"
18#include "mx27.h"
19
20/* MX27 memory map definition */
21static struct map_desc imx27_io_desc[] __initdata = {
22	/*
23	 * this fixed mapping covers:
24	 * - AIPI1
25	 * - AIPI2
26	 * - AITC
27	 * - ROM Patch
28	 * - and some reserved space
29	 */
30	imx_map_entry(MX27, AIPI, MT_DEVICE),
31	/*
32	 * this fixed mapping covers:
33	 * - CSI
34	 * - ATA
35	 */
36	imx_map_entry(MX27, SAHB1, MT_DEVICE),
37	/*
38	 * this fixed mapping covers:
39	 * - EMI
40	 */
41	imx_map_entry(MX27, X_MEMC, MT_DEVICE),
42};
43
44/*
45 * Initialize the memory map. It is called during the
46 * system startup to create static physical to virtual
47 * memory map for the IO modules.
48 */
49static void __init mx27_map_io(void)
50{
51	iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));
52}
53
54static void __init imx27_init_early(void)
55{
56	mxc_set_cpu_type(MXC_CPU_MX27);
57}
58
59static const char * const imx27_dt_board_compat[] __initconst = {
60	"fsl,imx27",
61	NULL
62};
63
64DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)")
65	.map_io		= mx27_map_io,
66	.init_early	= imx27_init_early,
67	.init_late	= imx27_pm_init,
68	.dt_compat	= imx27_dt_board_compat,
69MACHINE_END