Commit | Line | Data |
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920adc75 KM |
1 | /* |
2 | * mackerel board support | |
3 | * | |
4 | * Copyright (C) 2010 Renesas Solutions Corp. | |
5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
6 | * | |
7 | * based on ap4evb | |
8 | * Copyright (C) 2010 Magnus Damm | |
9 | * Copyright (C) 2008 Yoshihiro Shimoda | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; version 2 of the License. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
23 | */ | |
24 | #include <linux/kernel.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <linux/irq.h> | |
28 | #include <linux/platform_device.h> | |
29 | #include <linux/gpio.h> | |
30 | #include <linux/input.h> | |
31 | #include <linux/io.h> | |
32 | #include <linux/mtd/mtd.h> | |
33 | #include <linux/mtd/partitions.h> | |
34 | #include <linux/mtd/physmap.h> | |
35 | ||
36 | #include <mach/common.h> | |
37 | #include <mach/sh7372.h> | |
38 | ||
39 | #include <asm/mach/arch.h> | |
40 | #include <asm/mach/time.h> | |
41 | #include <asm/mach/map.h> | |
42 | #include <asm/mach-types.h> | |
43 | ||
44 | /* | |
45 | * Address Interface BusWidth note | |
46 | * ------------------------------------------------------------------ | |
47 | * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON | |
48 | * 0x0800_0000 user area - | |
49 | * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF | |
50 | * 0x1400_0000 Ether (LAN9220) 16bit | |
51 | * 0x1600_0000 user area - cannot use with NAND | |
52 | * 0x1800_0000 user area - | |
53 | * 0x1A00_0000 - | |
54 | * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit | |
55 | */ | |
56 | ||
57 | /* MTD */ | |
58 | static struct mtd_partition nor_flash_partitions[] = { | |
59 | { | |
60 | .name = "loader", | |
61 | .offset = 0x00000000, | |
62 | .size = 512 * 1024, | |
63 | .mask_flags = MTD_WRITEABLE, | |
64 | }, | |
65 | { | |
66 | .name = "bootenv", | |
67 | .offset = MTDPART_OFS_APPEND, | |
68 | .size = 512 * 1024, | |
69 | .mask_flags = MTD_WRITEABLE, | |
70 | }, | |
71 | { | |
72 | .name = "kernel_ro", | |
73 | .offset = MTDPART_OFS_APPEND, | |
74 | .size = 8 * 1024 * 1024, | |
75 | .mask_flags = MTD_WRITEABLE, | |
76 | }, | |
77 | { | |
78 | .name = "kernel", | |
79 | .offset = MTDPART_OFS_APPEND, | |
80 | .size = 8 * 1024 * 1024, | |
81 | }, | |
82 | { | |
83 | .name = "data", | |
84 | .offset = MTDPART_OFS_APPEND, | |
85 | .size = MTDPART_SIZ_FULL, | |
86 | }, | |
87 | }; | |
88 | ||
89 | static struct physmap_flash_data nor_flash_data = { | |
90 | .width = 2, | |
91 | .parts = nor_flash_partitions, | |
92 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), | |
93 | }; | |
94 | ||
95 | static struct resource nor_flash_resources[] = { | |
96 | [0] = { | |
97 | .start = 0x00000000, | |
98 | .end = 0x08000000 - 1, | |
99 | .flags = IORESOURCE_MEM, | |
100 | } | |
101 | }; | |
102 | ||
103 | static struct platform_device nor_flash_device = { | |
104 | .name = "physmap-flash", | |
105 | .dev = { | |
106 | .platform_data = &nor_flash_data, | |
107 | }, | |
108 | .num_resources = ARRAY_SIZE(nor_flash_resources), | |
109 | .resource = nor_flash_resources, | |
110 | }; | |
111 | ||
112 | static struct platform_device *mackerel_devices[] __initdata = { | |
113 | &nor_flash_device, | |
114 | }; | |
115 | ||
116 | static struct map_desc mackerel_io_desc[] __initdata = { | |
117 | /* create a 1:1 entity map for 0xe6xxxxxx | |
118 | * used by CPGA, INTC and PFC. | |
119 | */ | |
120 | { | |
121 | .virtual = 0xe6000000, | |
122 | .pfn = __phys_to_pfn(0xe6000000), | |
123 | .length = 256 << 20, | |
124 | .type = MT_DEVICE_NONSHARED | |
125 | }, | |
126 | }; | |
127 | ||
128 | static void __init mackerel_map_io(void) | |
129 | { | |
130 | iotable_init(mackerel_io_desc, ARRAY_SIZE(mackerel_io_desc)); | |
131 | ||
132 | /* setup early devices and console here as well */ | |
133 | sh7372_add_early_devices(); | |
134 | shmobile_setup_console(); | |
135 | } | |
136 | ||
137 | static void __init mackerel_init(void) | |
138 | { | |
139 | sh7372_pinmux_init(); | |
140 | ||
141 | /* enable SCIFA0 */ | |
142 | gpio_request(GPIO_FN_SCIFA0_TXD, NULL); | |
143 | gpio_request(GPIO_FN_SCIFA0_RXD, NULL); | |
144 | ||
145 | sh7372_add_standard_devices(); | |
146 | ||
147 | platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices)); | |
148 | } | |
149 | ||
150 | static void __init mackerel_timer_init(void) | |
151 | { | |
152 | sh7372_clock_init(); | |
153 | shmobile_timer.init(); | |
154 | } | |
155 | ||
156 | static struct sys_timer mackerel_timer = { | |
157 | .init = mackerel_timer_init, | |
158 | }; | |
159 | ||
160 | MACHINE_START(MACKEREL, "mackerel") | |
161 | .map_io = mackerel_map_io, | |
162 | .init_irq = sh7372_init_irq, | |
163 | .init_machine = mackerel_init, | |
164 | .timer = &mackerel_timer, | |
165 | MACHINE_END |