1 /*
2 * Emma Mobile EV2 processor support
3 *
4 * Copyright (C) 2012 Magnus Damm
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/mm.h>
18 #include <asm/mach-types.h>
19 #include <asm/mach/arch.h>
20 #include <asm/mach/map.h>
21 #include "common.h"
22
23 static struct map_desc emev2_io_desc[] __initdata = {
24 #ifdef CONFIG_SMP
25 /* 2M mapping for SCU + L2 controller */
26 {
27 .virtual = 0xf0000000,
28 .pfn = __phys_to_pfn(0x1e000000),
29 .length = SZ_2M,
30 .type = MT_DEVICE
31 },
32 #endif
33 };
34
emev2_map_io(void)35 static void __init emev2_map_io(void)
36 {
37 iotable_init(emev2_io_desc, ARRAY_SIZE(emev2_io_desc));
38 }
39
40 static const char *const emev2_boards_compat_dt[] __initconst = {
41 "renesas,emev2",
42 NULL,
43 };
44
45 extern struct smp_operations emev2_smp_ops;
46
47 DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)")
48 .smp = smp_ops(emev2_smp_ops),
49 .map_io = emev2_map_io,
50 .init_early = shmobile_init_delay,
51 .init_late = shmobile_init_late,
52 .dt_compat = emev2_boards_compat_dt,
53 MACHINE_END
54