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 | |