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2b7eda63 MD |
1 | /* |
2 | * AP4EVB board support | |
3 | * | |
4 | * Copyright (C) 2010 Magnus Damm | |
5 | * Copyright (C) 2008 Yoshihiro Shimoda | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; version 2 of the License. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | #include <linux/kernel.h> | |
21 | #include <linux/init.h> | |
22 | #include <linux/interrupt.h> | |
23 | #include <linux/irq.h> | |
24 | #include <linux/platform_device.h> | |
25 | #include <linux/delay.h> | |
26 | #include <linux/mtd/mtd.h> | |
27 | #include <linux/mtd/partitions.h> | |
28 | #include <linux/mtd/physmap.h> | |
29 | #include <linux/io.h> | |
30 | #include <mach/common.h> | |
31 | #include <asm/mach-types.h> | |
32 | #include <asm/mach/arch.h> | |
33 | #include <asm/mach/map.h> | |
34 | ||
35 | static struct mtd_partition nor_flash_partitions[] = { | |
36 | { | |
37 | .name = "loader", | |
38 | .offset = 0x00000000, | |
39 | .size = 512 * 1024, | |
40 | }, | |
41 | { | |
42 | .name = "bootenv", | |
43 | .offset = MTDPART_OFS_APPEND, | |
44 | .size = 512 * 1024, | |
45 | }, | |
46 | { | |
47 | .name = "kernel_ro", | |
48 | .offset = MTDPART_OFS_APPEND, | |
49 | .size = 8 * 1024 * 1024, | |
50 | .mask_flags = MTD_WRITEABLE, | |
51 | }, | |
52 | { | |
53 | .name = "kernel", | |
54 | .offset = MTDPART_OFS_APPEND, | |
55 | .size = 8 * 1024 * 1024, | |
56 | }, | |
57 | { | |
58 | .name = "data", | |
59 | .offset = MTDPART_OFS_APPEND, | |
60 | .size = MTDPART_SIZ_FULL, | |
61 | }, | |
62 | }; | |
63 | ||
64 | static struct physmap_flash_data nor_flash_data = { | |
65 | .width = 2, | |
66 | .parts = nor_flash_partitions, | |
67 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), | |
68 | }; | |
69 | ||
70 | static struct resource nor_flash_resources[] = { | |
71 | [0] = { | |
72 | .start = 0x00000000, | |
73 | .end = 0x08000000 - 1, | |
74 | .flags = IORESOURCE_MEM, | |
75 | } | |
76 | }; | |
77 | ||
78 | static struct platform_device nor_flash_device = { | |
79 | .name = "physmap-flash", | |
80 | .dev = { | |
81 | .platform_data = &nor_flash_data, | |
82 | }, | |
83 | .num_resources = ARRAY_SIZE(nor_flash_resources), | |
84 | .resource = nor_flash_resources, | |
85 | }; | |
86 | ||
87 | ||
88 | static struct platform_device *ap4evb_devices[] __initdata = { | |
89 | &nor_flash_device, | |
90 | }; | |
91 | ||
92 | static struct map_desc ap4evb_io_desc[] __initdata = { | |
93 | /* create a 1:1 entity map for 0xe6xxxxxx | |
94 | * used by CPGA, INTC and PFC. | |
95 | */ | |
96 | { | |
97 | .virtual = 0xe6000000, | |
98 | .pfn = __phys_to_pfn(0xe6000000), | |
99 | .length = 256 << 20, | |
100 | .type = MT_DEVICE_NONSHARED | |
101 | }, | |
102 | }; | |
103 | ||
104 | static void __init ap4evb_map_io(void) | |
105 | { | |
106 | iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc)); | |
107 | ||
108 | /* setup early devices and clocks here as well */ | |
109 | sh7372_add_early_devices(); | |
110 | sh7367_clock_init(); /* use g3 clocks for now */ | |
111 | } | |
112 | ||
113 | static void __init ap4evb_init(void) | |
114 | { | |
115 | sh7372_add_standard_devices(); | |
116 | ||
117 | platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices)); | |
118 | } | |
119 | ||
120 | MACHINE_START(AP4EVB, "ap4evb") | |
121 | .phys_io = 0xe6000000, | |
122 | .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, | |
123 | .map_io = ap4evb_map_io, | |
124 | .init_irq = sh7372_init_irq, | |
125 | .init_machine = ap4evb_init, | |
126 | .timer = &shmobile_timer, | |
127 | MACHINE_END |