xref: /openbmc/linux/arch/arm/mach-spear/spear1310.c (revision aa74c44b)
1 /*
2  * arch/arm/mach-spear13xx/spear1310.c
3  *
4  * SPEAr1310 machine source file
5  *
6  * Copyright (C) 2012 ST Microelectronics
7  * Viresh Kumar <vireshk@kernel.org>
8  *
9  * This file is licensed under the terms of the GNU General Public
10  * License version 2. This program is licensed "as is" without any
11  * warranty of any kind, whether express or implied.
12  */
13 
14 #define pr_fmt(fmt) "SPEAr1310: " fmt
15 
16 #include <linux/amba/pl022.h>
17 #include <linux/pata_arasan_cf_data.h>
18 #include <asm/mach/arch.h>
19 #include <asm/mach/map.h>
20 #include "generic.h"
21 #include <mach/spear.h>
22 
23 /* Base addresses */
24 #define SPEAR1310_RAS_GRP1_BASE			UL(0xD8000000)
25 #define VA_SPEAR1310_RAS_GRP1_BASE		UL(0xFA000000)
26 
27 static void __init spear1310_dt_init(void)
28 {
29 	platform_device_register_simple("spear-cpufreq", -1, NULL, 0);
30 }
31 
32 static const char * const spear1310_dt_board_compat[] = {
33 	"st,spear1310",
34 	"st,spear1310-evb",
35 	NULL,
36 };
37 
38 /*
39  * Following will create 16MB static virtual/physical mappings
40  * PHYSICAL		VIRTUAL
41  * 0xD8000000		0xFA000000
42  */
43 static struct map_desc spear1310_io_desc[] __initdata = {
44 	{
45 		.virtual	= VA_SPEAR1310_RAS_GRP1_BASE,
46 		.pfn		= __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE),
47 		.length		= SZ_16M,
48 		.type		= MT_DEVICE
49 	},
50 };
51 
52 static void __init spear1310_map_io(void)
53 {
54 	iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc));
55 	spear13xx_map_io();
56 }
57 
58 DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree")
59 	.smp		=	smp_ops(spear13xx_smp_ops),
60 	.map_io		=	spear1310_map_io,
61 	.init_time	=	spear13xx_timer_init,
62 	.init_machine	=	spear1310_dt_init,
63 	.restart	=	spear_restart,
64 	.dt_compat	=	spear1310_dt_board_compat,
65 MACHINE_END
66