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 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/mm.h>
22 #include <asm/mach-types.h>
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
25 #include "common.h"
26
27 static struct map_desc emev2_io_desc[] __initdata = {
28 #ifdef CONFIG_SMP
29 /* 2M mapping for SCU + L2 controller */
30 {
31 .virtual = 0xf0000000,
32 .pfn = __phys_to_pfn(0x1e000000),
33 .length = SZ_2M,
34 .type = MT_DEVICE
35 },
36 #endif
37 };
38
emev2_map_io(void)39 static void __init emev2_map_io(void)
40 {
41 iotable_init(emev2_io_desc, ARRAY_SIZE(emev2_io_desc));
42 }
43
44 static const char *emev2_boards_compat_dt[] __initconst = {
45 "renesas,emev2",
46 NULL,
47 };
48
49 extern struct smp_operations emev2_smp_ops;
50
51 DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)")
52 .smp = smp_ops(emev2_smp_ops),
53 .map_io = emev2_map_io,
54 .init_early = shmobile_init_delay,
55 .init_late = shmobile_init_late,
56 .dt_compat = emev2_boards_compat_dt,
57 MACHINE_END
58