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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> | |
2264c151 | 35 | #include <linux/smsc911x.h> |
920adc75 KM |
36 | |
37 | #include <mach/common.h> | |
38 | #include <mach/sh7372.h> | |
39 | ||
40 | #include <asm/mach/arch.h> | |
41 | #include <asm/mach/time.h> | |
42 | #include <asm/mach/map.h> | |
43 | #include <asm/mach-types.h> | |
44 | ||
45 | /* | |
46 | * Address Interface BusWidth note | |
47 | * ------------------------------------------------------------------ | |
48 | * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON | |
49 | * 0x0800_0000 user area - | |
50 | * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF | |
51 | * 0x1400_0000 Ether (LAN9220) 16bit | |
52 | * 0x1600_0000 user area - cannot use with NAND | |
53 | * 0x1800_0000 user area - | |
54 | * 0x1A00_0000 - | |
55 | * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit | |
56 | */ | |
57 | ||
58 | /* MTD */ | |
59 | static struct mtd_partition nor_flash_partitions[] = { | |
60 | { | |
61 | .name = "loader", | |
62 | .offset = 0x00000000, | |
63 | .size = 512 * 1024, | |
64 | .mask_flags = MTD_WRITEABLE, | |
65 | }, | |
66 | { | |
67 | .name = "bootenv", | |
68 | .offset = MTDPART_OFS_APPEND, | |
69 | .size = 512 * 1024, | |
70 | .mask_flags = MTD_WRITEABLE, | |
71 | }, | |
72 | { | |
73 | .name = "kernel_ro", | |
74 | .offset = MTDPART_OFS_APPEND, | |
75 | .size = 8 * 1024 * 1024, | |
76 | .mask_flags = MTD_WRITEABLE, | |
77 | }, | |
78 | { | |
79 | .name = "kernel", | |
80 | .offset = MTDPART_OFS_APPEND, | |
81 | .size = 8 * 1024 * 1024, | |
82 | }, | |
83 | { | |
84 | .name = "data", | |
85 | .offset = MTDPART_OFS_APPEND, | |
86 | .size = MTDPART_SIZ_FULL, | |
87 | }, | |
88 | }; | |
89 | ||
90 | static struct physmap_flash_data nor_flash_data = { | |
91 | .width = 2, | |
92 | .parts = nor_flash_partitions, | |
93 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), | |
94 | }; | |
95 | ||
96 | static struct resource nor_flash_resources[] = { | |
97 | [0] = { | |
98 | .start = 0x00000000, | |
99 | .end = 0x08000000 - 1, | |
100 | .flags = IORESOURCE_MEM, | |
101 | } | |
102 | }; | |
103 | ||
104 | static struct platform_device nor_flash_device = { | |
105 | .name = "physmap-flash", | |
106 | .dev = { | |
107 | .platform_data = &nor_flash_data, | |
108 | }, | |
109 | .num_resources = ARRAY_SIZE(nor_flash_resources), | |
110 | .resource = nor_flash_resources, | |
111 | }; | |
112 | ||
2264c151 KM |
113 | /* SMSC */ |
114 | static struct resource smc911x_resources[] = { | |
115 | { | |
116 | .start = 0x14000000, | |
117 | .end = 0x16000000 - 1, | |
118 | .flags = IORESOURCE_MEM, | |
119 | }, { | |
120 | .start = evt2irq(0x02c0) /* IRQ6A */, | |
121 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, | |
122 | }, | |
123 | }; | |
124 | ||
125 | static struct smsc911x_platform_config smsc911x_info = { | |
126 | .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS, | |
127 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
128 | .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, | |
129 | }; | |
130 | ||
131 | static struct platform_device smc911x_device = { | |
132 | .name = "smsc911x", | |
133 | .id = -1, | |
134 | .num_resources = ARRAY_SIZE(smc911x_resources), | |
135 | .resource = smc911x_resources, | |
136 | .dev = { | |
137 | .platform_data = &smsc911x_info, | |
138 | }, | |
139 | }; | |
140 | ||
920adc75 KM |
141 | static struct platform_device *mackerel_devices[] __initdata = { |
142 | &nor_flash_device, | |
2264c151 | 143 | &smc911x_device, |
920adc75 KM |
144 | }; |
145 | ||
146 | static struct map_desc mackerel_io_desc[] __initdata = { | |
147 | /* create a 1:1 entity map for 0xe6xxxxxx | |
148 | * used by CPGA, INTC and PFC. | |
149 | */ | |
150 | { | |
151 | .virtual = 0xe6000000, | |
152 | .pfn = __phys_to_pfn(0xe6000000), | |
153 | .length = 256 << 20, | |
154 | .type = MT_DEVICE_NONSHARED | |
155 | }, | |
156 | }; | |
157 | ||
158 | static void __init mackerel_map_io(void) | |
159 | { | |
160 | iotable_init(mackerel_io_desc, ARRAY_SIZE(mackerel_io_desc)); | |
161 | ||
162 | /* setup early devices and console here as well */ | |
163 | sh7372_add_early_devices(); | |
164 | shmobile_setup_console(); | |
165 | } | |
166 | ||
167 | static void __init mackerel_init(void) | |
168 | { | |
169 | sh7372_pinmux_init(); | |
170 | ||
171 | /* enable SCIFA0 */ | |
172 | gpio_request(GPIO_FN_SCIFA0_TXD, NULL); | |
173 | gpio_request(GPIO_FN_SCIFA0_RXD, NULL); | |
174 | ||
2264c151 KM |
175 | /* enable SMSC911X */ |
176 | gpio_request(GPIO_FN_CS5A, NULL); | |
177 | gpio_request(GPIO_FN_IRQ6_39, NULL); | |
178 | ||
920adc75 KM |
179 | sh7372_add_standard_devices(); |
180 | ||
181 | platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices)); | |
182 | } | |
183 | ||
184 | static void __init mackerel_timer_init(void) | |
185 | { | |
186 | sh7372_clock_init(); | |
187 | shmobile_timer.init(); | |
188 | } | |
189 | ||
190 | static struct sys_timer mackerel_timer = { | |
191 | .init = mackerel_timer_init, | |
192 | }; | |
193 | ||
194 | MACHINE_START(MACKEREL, "mackerel") | |
195 | .map_io = mackerel_map_io, | |
196 | .init_irq = sh7372_init_irq, | |
197 | .init_machine = mackerel_init, | |
198 | .timer = &mackerel_timer, | |
199 | MACHINE_END |