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1 | /* | |
2 | * sh73a0 processor support | |
3 | * | |
4 | * Copyright (C) 2010 Takashi Yoshii | |
5 | * Copyright (C) 2010 Magnus Damm | |
6 | * Copyright (C) 2008 Yoshihiro Shimoda | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; version 2 of the License. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | */ | |
17 | #include <linux/kernel.h> | |
18 | #include <linux/init.h> | |
19 | #include <linux/interrupt.h> | |
20 | #include <linux/irq.h> | |
21 | #include <linux/delay.h> | |
22 | #include <linux/input.h> | |
23 | #include <linux/io.h> | |
24 | ||
25 | #include <asm/hardware/cache-l2x0.h> | |
26 | #include <asm/mach/map.h> | |
27 | #include <asm/mach/arch.h> | |
28 | #include <asm/mach/time.h> | |
29 | ||
30 | #include "common.h" | |
31 | #include "sh73a0.h" | |
32 | ||
33 | static struct map_desc sh73a0_io_desc[] __initdata = { | |
34 | /* create a 1:1 identity mapping for 0xe6xxxxxx | |
35 | * used by CPGA, INTC and PFC. | |
36 | */ | |
37 | { | |
38 | .virtual = 0xe6000000, | |
39 | .pfn = __phys_to_pfn(0xe6000000), | |
40 | .length = 256 << 20, | |
41 | .type = MT_DEVICE_NONSHARED | |
42 | }, | |
43 | }; | |
44 | ||
45 | static void __init sh73a0_map_io(void) | |
46 | { | |
47 | debug_ll_io_init(); | |
48 | iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc)); | |
49 | } | |
50 | ||
51 | static void __init sh73a0_generic_init(void) | |
52 | { | |
53 | #ifdef CONFIG_CACHE_L2X0 | |
54 | /* Shared attribute override enable, 64K*8way */ | |
55 | l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff); | |
56 | #endif | |
57 | } | |
58 | ||
59 | static const char *const sh73a0_boards_compat_dt[] __initconst = { | |
60 | "renesas,sh73a0", | |
61 | NULL, | |
62 | }; | |
63 | ||
64 | DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)") | |
65 | .smp = smp_ops(sh73a0_smp_ops), | |
66 | .map_io = sh73a0_map_io, | |
67 | .init_early = shmobile_init_delay, | |
68 | .init_machine = sh73a0_generic_init, | |
69 | .init_late = shmobile_init_late, | |
70 | .dt_compat = sh73a0_boards_compat_dt, | |
71 | MACHINE_END |