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 */
15 static 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 */
43 static void __init mx27_map_io(void)
44 {
45 iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));
46 }
47
48 static void __init imx27_init_early(void)
49 {
50 mxc_set_cpu_type(MXC_CPU_MX27);
51 }
52
53 static const char * const imx27_dt_board_compat[] __initconst = {
54 "fsl,imx27",
55 NULL
56 };
57
58 DT_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,
63 MACHINE_END
64
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