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
spear1310_dt_init(void)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
spear1310_map_io(void)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