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