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 
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 *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