Commit | Line | Data |
---|---|---|
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> | |
1b7e0677 KM |
30 | #include <linux/smsc911x.h> |
31 | #include <linux/gpio.h> | |
17ccb834 KM |
32 | #include <linux/input.h> |
33 | #include <linux/input/sh_keysc.h> | |
2b7eda63 | 34 | #include <mach/common.h> |
1b7e0677 | 35 | #include <mach/sh7372.h> |
2b7eda63 MD |
36 | #include <asm/mach-types.h> |
37 | #include <asm/mach/arch.h> | |
38 | #include <asm/mach/map.h> | |
39 | ||
02624a17 KM |
40 | /* |
41 | * Address Interface BusWidth note | |
42 | * ------------------------------------------------------------------ | |
43 | * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON | |
44 | * 0x0800_0000 user area - | |
45 | * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF | |
46 | * 0x1400_0000 Ether (LAN9220) 16bit | |
47 | * 0x1600_0000 user area - cannot use with NAND | |
48 | * 0x1800_0000 user area - | |
49 | * 0x1A00_0000 - | |
50 | * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit | |
51 | */ | |
52 | ||
53 | /* | |
54 | * NOR Flash ROM | |
55 | * | |
56 | * SW1 | SW2 | SW7 | NOR Flash ROM | |
57 | * bit1 | bit1 bit2 | bit1 | Memory allocation | |
58 | * ------+------------+------+------------------ | |
59 | * OFF | ON OFF | ON | Area 0 | |
60 | * OFF | ON OFF | OFF | Area 4 | |
61 | */ | |
62 | ||
63 | /* | |
64 | * NAND Flash ROM | |
65 | * | |
66 | * SW1 | SW2 | SW7 | NAND Flash ROM | |
67 | * bit1 | bit1 bit2 | bit2 | Memory allocation | |
68 | * ------+------------+------+------------------ | |
69 | * OFF | ON OFF | ON | FCE 0 | |
70 | * OFF | ON OFF | OFF | FCE 1 | |
71 | */ | |
72 | ||
73 | /* | |
74 | * SMSC 9220 | |
75 | * | |
76 | * SW1 SMSC 9220 | |
77 | * ----------------------- | |
78 | * ON access disable | |
79 | * OFF access enable | |
80 | */ | |
81 | ||
17ccb834 KM |
82 | /* |
83 | * KEYSC | |
84 | * | |
85 | * SW43 KEYSC | |
86 | * ------------------------- | |
87 | * ON enable | |
88 | * OFF disable | |
89 | */ | |
90 | ||
1b7e0677 | 91 | /* MTD */ |
2b7eda63 MD |
92 | static struct mtd_partition nor_flash_partitions[] = { |
93 | { | |
94 | .name = "loader", | |
95 | .offset = 0x00000000, | |
96 | .size = 512 * 1024, | |
97 | }, | |
98 | { | |
99 | .name = "bootenv", | |
100 | .offset = MTDPART_OFS_APPEND, | |
101 | .size = 512 * 1024, | |
102 | }, | |
103 | { | |
104 | .name = "kernel_ro", | |
105 | .offset = MTDPART_OFS_APPEND, | |
106 | .size = 8 * 1024 * 1024, | |
107 | .mask_flags = MTD_WRITEABLE, | |
108 | }, | |
109 | { | |
110 | .name = "kernel", | |
111 | .offset = MTDPART_OFS_APPEND, | |
112 | .size = 8 * 1024 * 1024, | |
113 | }, | |
114 | { | |
115 | .name = "data", | |
116 | .offset = MTDPART_OFS_APPEND, | |
117 | .size = MTDPART_SIZ_FULL, | |
118 | }, | |
119 | }; | |
120 | ||
121 | static struct physmap_flash_data nor_flash_data = { | |
122 | .width = 2, | |
123 | .parts = nor_flash_partitions, | |
124 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), | |
125 | }; | |
126 | ||
127 | static struct resource nor_flash_resources[] = { | |
128 | [0] = { | |
129 | .start = 0x00000000, | |
130 | .end = 0x08000000 - 1, | |
131 | .flags = IORESOURCE_MEM, | |
132 | } | |
133 | }; | |
134 | ||
135 | static struct platform_device nor_flash_device = { | |
136 | .name = "physmap-flash", | |
137 | .dev = { | |
138 | .platform_data = &nor_flash_data, | |
139 | }, | |
140 | .num_resources = ARRAY_SIZE(nor_flash_resources), | |
141 | .resource = nor_flash_resources, | |
142 | }; | |
143 | ||
1b7e0677 KM |
144 | /* SMSC 9220 */ |
145 | static struct resource smc911x_resources[] = { | |
146 | { | |
147 | .start = 0x14000000, | |
148 | .end = 0x16000000 - 1, | |
149 | .flags = IORESOURCE_MEM, | |
150 | }, { | |
151 | .start = 6, | |
152 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, | |
153 | }, | |
154 | }; | |
155 | ||
156 | static struct smsc911x_platform_config smsc911x_info = { | |
157 | .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS, | |
158 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
159 | .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, | |
160 | }; | |
161 | ||
162 | static struct platform_device smc911x_device = { | |
163 | .name = "smsc911x", | |
164 | .id = -1, | |
165 | .num_resources = ARRAY_SIZE(smc911x_resources), | |
166 | .resource = smc911x_resources, | |
167 | .dev = { | |
168 | .platform_data = &smsc911x_info, | |
169 | }, | |
170 | }; | |
2b7eda63 | 171 | |
17ccb834 KM |
172 | /* KEYSC (Needs SW43 set to ON) */ |
173 | static struct sh_keysc_info keysc_info = { | |
174 | .mode = SH_KEYSC_MODE_1, | |
175 | .scan_timing = 3, | |
176 | .delay = 2500, | |
177 | .keycodes = { | |
178 | KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, | |
179 | KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, | |
180 | KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, | |
181 | KEY_F, KEY_G, KEY_H, KEY_I, KEY_J, | |
182 | KEY_K, KEY_L, KEY_M, KEY_N, KEY_O, | |
183 | }, | |
184 | }; | |
185 | ||
186 | static struct resource keysc_resources[] = { | |
187 | [0] = { | |
188 | .name = "KEYSC", | |
189 | .start = 0xe61b0000, | |
190 | .end = 0xe61b0063, | |
191 | .flags = IORESOURCE_MEM, | |
192 | }, | |
193 | [1] = { | |
194 | .start = 79, | |
195 | .flags = IORESOURCE_IRQ, | |
196 | }, | |
197 | }; | |
198 | ||
199 | static struct platform_device keysc_device = { | |
200 | .name = "sh_keysc", | |
201 | .id = 0, /* "keysc0" clock */ | |
202 | .num_resources = ARRAY_SIZE(keysc_resources), | |
203 | .resource = keysc_resources, | |
204 | .dev = { | |
205 | .platform_data = &keysc_info, | |
206 | }, | |
207 | }; | |
208 | ||
2b7eda63 MD |
209 | static struct platform_device *ap4evb_devices[] __initdata = { |
210 | &nor_flash_device, | |
1b7e0677 | 211 | &smc911x_device, |
17ccb834 | 212 | &keysc_device, |
2b7eda63 MD |
213 | }; |
214 | ||
215 | static struct map_desc ap4evb_io_desc[] __initdata = { | |
216 | /* create a 1:1 entity map for 0xe6xxxxxx | |
217 | * used by CPGA, INTC and PFC. | |
218 | */ | |
219 | { | |
220 | .virtual = 0xe6000000, | |
221 | .pfn = __phys_to_pfn(0xe6000000), | |
222 | .length = 256 << 20, | |
223 | .type = MT_DEVICE_NONSHARED | |
224 | }, | |
225 | }; | |
226 | ||
227 | static void __init ap4evb_map_io(void) | |
228 | { | |
229 | iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc)); | |
230 | ||
4ae04acb | 231 | /* setup early devices, clocks and console here as well */ |
2b7eda63 MD |
232 | sh7372_add_early_devices(); |
233 | sh7367_clock_init(); /* use g3 clocks for now */ | |
4ae04acb | 234 | shmobile_setup_console(); |
2b7eda63 MD |
235 | } |
236 | ||
237 | static void __init ap4evb_init(void) | |
238 | { | |
1b7e0677 KM |
239 | sh7372_pinmux_init(); |
240 | ||
b228b48e KM |
241 | /* enable SCIFA0 */ |
242 | gpio_request(GPIO_FN_SCIFA0_TXD, NULL); | |
243 | gpio_request(GPIO_FN_SCIFA0_RXD, NULL); | |
244 | ||
1b7e0677 KM |
245 | /* enable SMSC911X */ |
246 | gpio_request(GPIO_FN_CS5A, NULL); | |
247 | gpio_request(GPIO_FN_IRQ6_39, NULL); | |
248 | ||
5098280e KM |
249 | /* enable LED 1 - 4 */ |
250 | gpio_request(GPIO_PORT185, NULL); | |
251 | gpio_request(GPIO_PORT186, NULL); | |
252 | gpio_request(GPIO_PORT187, NULL); | |
253 | gpio_request(GPIO_PORT188, NULL); | |
254 | gpio_direction_output(GPIO_PORT185, 1); | |
255 | gpio_direction_output(GPIO_PORT186, 1); | |
256 | gpio_direction_output(GPIO_PORT187, 1); | |
257 | gpio_direction_output(GPIO_PORT188, 1); | |
258 | gpio_export(GPIO_PORT185, 0); | |
259 | gpio_export(GPIO_PORT186, 0); | |
260 | gpio_export(GPIO_PORT187, 0); | |
261 | gpio_export(GPIO_PORT188, 0); | |
262 | ||
8cb3a2eb KM |
263 | /* enable Debug switch (S6) */ |
264 | gpio_request(GPIO_PORT32, NULL); | |
265 | gpio_request(GPIO_PORT33, NULL); | |
266 | gpio_request(GPIO_PORT34, NULL); | |
267 | gpio_request(GPIO_PORT35, NULL); | |
268 | gpio_direction_input(GPIO_PORT32); | |
269 | gpio_direction_input(GPIO_PORT33); | |
270 | gpio_direction_input(GPIO_PORT34); | |
271 | gpio_direction_input(GPIO_PORT35); | |
272 | gpio_export(GPIO_PORT32, 0); | |
273 | gpio_export(GPIO_PORT33, 0); | |
274 | gpio_export(GPIO_PORT34, 0); | |
275 | gpio_export(GPIO_PORT35, 0); | |
276 | ||
17ccb834 KM |
277 | /* enable KEYSC */ |
278 | gpio_request(GPIO_FN_KEYOUT0, NULL); | |
279 | gpio_request(GPIO_FN_KEYOUT1, NULL); | |
280 | gpio_request(GPIO_FN_KEYOUT2, NULL); | |
281 | gpio_request(GPIO_FN_KEYOUT3, NULL); | |
282 | gpio_request(GPIO_FN_KEYOUT4, NULL); | |
283 | gpio_request(GPIO_FN_KEYIN0_136, NULL); | |
284 | gpio_request(GPIO_FN_KEYIN1_135, NULL); | |
285 | gpio_request(GPIO_FN_KEYIN2_134, NULL); | |
286 | gpio_request(GPIO_FN_KEYIN3_133, NULL); | |
287 | gpio_request(GPIO_FN_KEYIN4, NULL); | |
288 | ||
2b7eda63 MD |
289 | sh7372_add_standard_devices(); |
290 | ||
291 | platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices)); | |
292 | } | |
293 | ||
294 | MACHINE_START(AP4EVB, "ap4evb") | |
295 | .phys_io = 0xe6000000, | |
296 | .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, | |
297 | .map_io = ap4evb_map_io, | |
298 | .init_irq = sh7372_init_irq, | |
299 | .init_machine = ap4evb_init, | |
300 | .timer = &shmobile_timer, | |
301 | MACHINE_END |