xref: /openbmc/linux/arch/arm/mach-spear/spear1310.c (revision 747f7a29)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * arch/arm/mach-spear13xx/spear1310.c
4  *
5  * SPEAr1310 machine source file
6  *
7  * Copyright (C) 2012 ST Microelectronics
8  * Viresh Kumar <vireshk@kernel.org>
9  */
10 
11 #define pr_fmt(fmt) "SPEAr1310: " fmt
12 
13 #include <linux/amba/pl022.h>
14 #include <linux/pata_arasan_cf_data.h>
15 #include <asm/mach/arch.h>
16 #include <asm/mach/map.h>
17 #include "generic.h"
18 #include "spear.h"
19 
20 /* Base addresses */
21 #define SPEAR1310_RAS_GRP1_BASE			UL(0xD8000000)
22 #define VA_SPEAR1310_RAS_GRP1_BASE		UL(0xFA000000)
23 
24 static void __init spear1310_dt_init(void)
25 {
26 	platform_device_register_simple("spear-cpufreq", -1, NULL, 0);
27 }
28 
29 static const char * const spear1310_dt_board_compat[] = {
30 	"st,spear1310",
31 	"st,spear1310-evb",
32 	NULL,
33 };
34 
35 /*
36  * Following will create 16MB static virtual/physical mappings
37  * PHYSICAL		VIRTUAL
38  * 0xD8000000		0xFA000000
39  */
40 static struct map_desc spear1310_io_desc[] __initdata = {
41 	{
42 		.virtual	= VA_SPEAR1310_RAS_GRP1_BASE,
43 		.pfn		= __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE),
44 		.length		= SZ_16M,
45 		.type		= MT_DEVICE
46 	},
47 };
48 
49 static void __init spear1310_map_io(void)
50 {
51 	iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc));
52 	spear13xx_map_io();
53 }
54 
55 DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree")
56 	.smp		=	smp_ops(spear13xx_smp_ops),
57 	.map_io		=	spear1310_map_io,
58 	.init_time	=	spear13xx_timer_init,
59 	.init_machine	=	spear1310_dt_init,
60 	.restart	=	spear_restart,
61 	.dt_compat	=	spear1310_dt_board_compat,
62 MACHINE_END
63