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f2aaf66d MD |
1 | /* |
2 | * G4EVM 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> | |
aa18ef60 | 29 | #include <linux/usb/r8a66597.h> |
f2aaf66d | 30 | #include <linux/io.h> |
6676a170 NH |
31 | #include <linux/input.h> |
32 | #include <linux/input/sh_keysc.h> | |
819ee867 | 33 | #include <linux/mfd/sh_mobile_sdhi.h> |
276b4f62 NH |
34 | #include <linux/gpio.h> |
35 | #include <mach/sh7377.h> | |
f2aaf66d MD |
36 | #include <mach/common.h> |
37 | #include <asm/mach-types.h> | |
38 | #include <asm/mach/arch.h> | |
39 | #include <asm/mach/map.h> | |
0163acf3 | 40 | #include <asm/mach/time.h> |
f2aaf66d | 41 | |
819ee867 KM |
42 | /* |
43 | * SDHI | |
44 | * | |
45 | * SDHI0 : card detection is possible | |
46 | * SDHI1 : card detection is impossible | |
47 | * | |
48 | * [G4-MAIN-BOARD] | |
49 | * JP74 : short # DBG_2V8A for SDHI0 | |
50 | * JP75 : NC # DBG_3V3A for SDHI0 | |
51 | * JP76 : NC # DBG_3V3A_SD for SDHI0 | |
52 | * JP77 : NC # 3V3A_SDIO for SDHI1 | |
53 | * JP78 : short # DBG_2V8A for SDHI1 | |
54 | * JP79 : NC # DBG_3V3A for SDHI1 | |
55 | * JP80 : NC # DBG_3V3A_SD for SDHI1 | |
56 | * | |
57 | * [G4-CORE-BOARD] | |
58 | * S32 : all off # to dissever from G3-CORE_DBG board | |
59 | * S33 : all off # to dissever from G3-CORE_DBG board | |
60 | * | |
61 | * [G3-CORE_DBG-BOARD] | |
62 | * S1 : all off # to dissever from G3-CORE_DBG board | |
63 | * S3 : all off # to dissever from G3-CORE_DBG board | |
64 | * S4 : all off # to dissever from G3-CORE_DBG board | |
65 | */ | |
66 | ||
f2aaf66d MD |
67 | static struct mtd_partition nor_flash_partitions[] = { |
68 | { | |
69 | .name = "loader", | |
70 | .offset = 0x00000000, | |
71 | .size = 512 * 1024, | |
72 | }, | |
73 | { | |
74 | .name = "bootenv", | |
75 | .offset = MTDPART_OFS_APPEND, | |
76 | .size = 512 * 1024, | |
77 | }, | |
78 | { | |
79 | .name = "kernel_ro", | |
80 | .offset = MTDPART_OFS_APPEND, | |
81 | .size = 8 * 1024 * 1024, | |
82 | .mask_flags = MTD_WRITEABLE, | |
83 | }, | |
84 | { | |
85 | .name = "kernel", | |
86 | .offset = MTDPART_OFS_APPEND, | |
87 | .size = 8 * 1024 * 1024, | |
88 | }, | |
89 | { | |
90 | .name = "data", | |
91 | .offset = MTDPART_OFS_APPEND, | |
92 | .size = MTDPART_SIZ_FULL, | |
93 | }, | |
94 | }; | |
95 | ||
96 | static struct physmap_flash_data nor_flash_data = { | |
97 | .width = 2, | |
98 | .parts = nor_flash_partitions, | |
99 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), | |
100 | }; | |
101 | ||
102 | static struct resource nor_flash_resources[] = { | |
103 | [0] = { | |
104 | .start = 0x00000000, | |
105 | .end = 0x08000000 - 1, | |
106 | .flags = IORESOURCE_MEM, | |
107 | } | |
108 | }; | |
109 | ||
110 | static struct platform_device nor_flash_device = { | |
111 | .name = "physmap-flash", | |
112 | .dev = { | |
113 | .platform_data = &nor_flash_data, | |
114 | }, | |
115 | .num_resources = ARRAY_SIZE(nor_flash_resources), | |
116 | .resource = nor_flash_resources, | |
117 | }; | |
118 | ||
aa18ef60 | 119 | /* USBHS */ |
d64a1b0a | 120 | static void usb_host_port_power(int port, int power) |
aa18ef60 NH |
121 | { |
122 | if (!power) /* only power-on supported for now */ | |
123 | return; | |
124 | ||
125 | /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */ | |
126 | __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008); | |
127 | } | |
128 | ||
129 | static struct r8a66597_platdata usb_host_data = { | |
130 | .on_chip = 1, | |
131 | .port_power = usb_host_port_power, | |
132 | }; | |
133 | ||
134 | static struct resource usb_host_resources[] = { | |
135 | [0] = { | |
136 | .name = "USBHS", | |
137 | .start = 0xe6890000, | |
138 | .end = 0xe68900e5, | |
139 | .flags = IORESOURCE_MEM, | |
140 | }, | |
141 | [1] = { | |
043296dd | 142 | .start = evt2irq(0x0a20), /* USBHS_USHI0 */ |
aa18ef60 NH |
143 | .flags = IORESOURCE_IRQ, |
144 | }, | |
145 | }; | |
146 | ||
147 | static struct platform_device usb_host_device = { | |
148 | .name = "r8a66597_hcd", | |
149 | .id = 0, | |
150 | .dev = { | |
151 | .platform_data = &usb_host_data, | |
152 | .dma_mask = NULL, | |
153 | .coherent_dma_mask = 0xffffffff, | |
154 | }, | |
155 | .num_resources = ARRAY_SIZE(usb_host_resources), | |
156 | .resource = usb_host_resources, | |
157 | }; | |
f2aaf66d | 158 | |
6676a170 NH |
159 | /* KEYSC */ |
160 | static struct sh_keysc_info keysc_info = { | |
161 | .mode = SH_KEYSC_MODE_5, | |
162 | .scan_timing = 3, | |
163 | .delay = 100, | |
164 | .keycodes = { | |
165 | KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, | |
166 | KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, | |
167 | KEY_M, KEY_N, KEY_U, KEY_P, KEY_Q, KEY_R, | |
168 | KEY_S, KEY_T, KEY_U, KEY_V, KEY_W, KEY_X, | |
169 | KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE, | |
170 | KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, | |
171 | KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER, | |
172 | }, | |
173 | }; | |
174 | ||
175 | static struct resource keysc_resources[] = { | |
176 | [0] = { | |
177 | .name = "KEYSC", | |
178 | .start = 0xe61b0000, | |
179 | .end = 0xe61b000f, | |
180 | .flags = IORESOURCE_MEM, | |
181 | }, | |
182 | [1] = { | |
043296dd | 183 | .start = evt2irq(0x0be0), /* KEYSC_KEY */ |
6676a170 NH |
184 | .flags = IORESOURCE_IRQ, |
185 | }, | |
186 | }; | |
187 | ||
188 | static struct platform_device keysc_device = { | |
189 | .name = "sh_keysc", | |
190 | .id = 0, /* keysc0 clock */ | |
191 | .num_resources = ARRAY_SIZE(keysc_resources), | |
192 | .resource = keysc_resources, | |
193 | .dev = { | |
194 | .platform_data = &keysc_info, | |
195 | }, | |
196 | }; | |
197 | ||
819ee867 KM |
198 | /* SDHI */ |
199 | static struct resource sdhi0_resources[] = { | |
200 | [0] = { | |
201 | .name = "SDHI0", | |
202 | .start = 0xe6d50000, | |
203 | .end = 0xe6d501ff, | |
204 | .flags = IORESOURCE_MEM, | |
205 | }, | |
206 | [1] = { | |
043296dd | 207 | .start = evt2irq(0x0e00), /* SDHI0 */ |
819ee867 KM |
208 | .flags = IORESOURCE_IRQ, |
209 | }, | |
210 | }; | |
211 | ||
212 | static struct platform_device sdhi0_device = { | |
213 | .name = "sh_mobile_sdhi", | |
214 | .num_resources = ARRAY_SIZE(sdhi0_resources), | |
215 | .resource = sdhi0_resources, | |
216 | .id = 0, | |
217 | }; | |
218 | ||
219 | static struct resource sdhi1_resources[] = { | |
220 | [0] = { | |
221 | .name = "SDHI1", | |
222 | .start = 0xe6d60000, | |
223 | .end = 0xe6d601ff, | |
224 | .flags = IORESOURCE_MEM, | |
225 | }, | |
226 | [1] = { | |
043296dd | 227 | .start = evt2irq(0x0e80), /* SDHI1 */ |
819ee867 KM |
228 | .flags = IORESOURCE_IRQ, |
229 | }, | |
230 | }; | |
231 | ||
232 | static struct platform_device sdhi1_device = { | |
233 | .name = "sh_mobile_sdhi", | |
234 | .num_resources = ARRAY_SIZE(sdhi1_resources), | |
235 | .resource = sdhi1_resources, | |
236 | .id = 1, | |
237 | }; | |
238 | ||
f2aaf66d MD |
239 | static struct platform_device *g4evm_devices[] __initdata = { |
240 | &nor_flash_device, | |
aa18ef60 | 241 | &usb_host_device, |
6676a170 | 242 | &keysc_device, |
819ee867 KM |
243 | &sdhi0_device, |
244 | &sdhi1_device, | |
f2aaf66d MD |
245 | }; |
246 | ||
247 | static struct map_desc g4evm_io_desc[] __initdata = { | |
248 | /* create a 1:1 entity map for 0xe6xxxxxx | |
249 | * used by CPGA, INTC and PFC. | |
250 | */ | |
251 | { | |
252 | .virtual = 0xe6000000, | |
253 | .pfn = __phys_to_pfn(0xe6000000), | |
254 | .length = 256 << 20, | |
255 | .type = MT_DEVICE_NONSHARED | |
256 | }, | |
257 | }; | |
258 | ||
259 | static void __init g4evm_map_io(void) | |
260 | { | |
261 | iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc)); | |
262 | ||
0163acf3 | 263 | /* setup early devices and console here as well */ |
f2aaf66d | 264 | sh7377_add_early_devices(); |
4ae04acb | 265 | shmobile_setup_console(); |
f2aaf66d MD |
266 | } |
267 | ||
819ee867 KM |
268 | #define GPIO_SDHID0_D0 0xe60520fc |
269 | #define GPIO_SDHID0_D1 0xe60520fd | |
270 | #define GPIO_SDHID0_D2 0xe60520fe | |
271 | #define GPIO_SDHID0_D3 0xe60520ff | |
272 | #define GPIO_SDHICMD0 0xe6052100 | |
273 | ||
274 | #define GPIO_SDHID1_D0 0xe6052103 | |
275 | #define GPIO_SDHID1_D1 0xe6052104 | |
276 | #define GPIO_SDHID1_D2 0xe6052105 | |
277 | #define GPIO_SDHID1_D3 0xe6052106 | |
278 | #define GPIO_SDHICMD1 0xe6052107 | |
279 | ||
280 | /* | |
281 | * FIXME !! | |
282 | * | |
283 | * gpio_pull_up is quick_hack. | |
284 | * | |
285 | * current gpio frame work doesn't have | |
286 | * the method to control only pull up/down/free. | |
287 | * this function should be replaced by correct gpio function | |
288 | */ | |
289 | static void __init gpio_pull_up(u32 addr) | |
290 | { | |
291 | u8 data = __raw_readb(addr); | |
292 | ||
293 | data &= 0x0F; | |
294 | data |= 0xC0; | |
295 | __raw_writeb(data, addr); | |
296 | } | |
297 | ||
f2aaf66d MD |
298 | static void __init g4evm_init(void) |
299 | { | |
276b4f62 NH |
300 | sh7377_pinmux_init(); |
301 | ||
302 | /* Lit DS14 LED */ | |
303 | gpio_request(GPIO_PORT109, NULL); | |
304 | gpio_direction_output(GPIO_PORT109, 1); | |
305 | gpio_export(GPIO_PORT109, 1); | |
306 | ||
307 | /* Lit DS15 LED */ | |
308 | gpio_request(GPIO_PORT110, NULL); | |
309 | gpio_direction_output(GPIO_PORT110, 1); | |
310 | gpio_export(GPIO_PORT110, 1); | |
311 | ||
312 | /* Lit DS16 LED */ | |
313 | gpio_request(GPIO_PORT112, NULL); | |
314 | gpio_direction_output(GPIO_PORT112, 1); | |
315 | gpio_export(GPIO_PORT112, 1); | |
316 | ||
317 | /* Lit DS17 LED */ | |
318 | gpio_request(GPIO_PORT113, NULL); | |
319 | gpio_direction_output(GPIO_PORT113, 1); | |
320 | gpio_export(GPIO_PORT113, 1); | |
321 | ||
aa18ef60 NH |
322 | /* USBHS */ |
323 | gpio_request(GPIO_FN_VBUS_0, NULL); | |
324 | gpio_request(GPIO_FN_PWEN, NULL); | |
325 | gpio_request(GPIO_FN_OVCN, NULL); | |
326 | gpio_request(GPIO_FN_OVCN2, NULL); | |
327 | gpio_request(GPIO_FN_EXTLP, NULL); | |
328 | gpio_request(GPIO_FN_IDIN, NULL); | |
329 | ||
aa18ef60 NH |
330 | /* setup USB phy */ |
331 | __raw_writew(0x0200, 0xe605810a); /* USBCR1 */ | |
332 | __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ | |
333 | __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */ | |
334 | __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */ | |
335 | ||
6676a170 NH |
336 | /* KEYSC @ CN31 */ |
337 | gpio_request(GPIO_FN_PORT60_KEYOUT5, NULL); | |
338 | gpio_request(GPIO_FN_PORT61_KEYOUT4, NULL); | |
339 | gpio_request(GPIO_FN_PORT62_KEYOUT3, NULL); | |
340 | gpio_request(GPIO_FN_PORT63_KEYOUT2, NULL); | |
341 | gpio_request(GPIO_FN_PORT64_KEYOUT1, NULL); | |
342 | gpio_request(GPIO_FN_PORT65_KEYOUT0, NULL); | |
343 | gpio_request(GPIO_FN_PORT66_KEYIN0_PU, NULL); | |
344 | gpio_request(GPIO_FN_PORT67_KEYIN1_PU, NULL); | |
345 | gpio_request(GPIO_FN_PORT68_KEYIN2_PU, NULL); | |
346 | gpio_request(GPIO_FN_PORT69_KEYIN3_PU, NULL); | |
347 | gpio_request(GPIO_FN_PORT70_KEYIN4_PU, NULL); | |
348 | gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL); | |
349 | gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL); | |
350 | ||
819ee867 KM |
351 | /* SDHI0 */ |
352 | gpio_request(GPIO_FN_SDHICLK0, NULL); | |
353 | gpio_request(GPIO_FN_SDHICD0, NULL); | |
354 | gpio_request(GPIO_FN_SDHID0_0, NULL); | |
355 | gpio_request(GPIO_FN_SDHID0_1, NULL); | |
356 | gpio_request(GPIO_FN_SDHID0_2, NULL); | |
357 | gpio_request(GPIO_FN_SDHID0_3, NULL); | |
358 | gpio_request(GPIO_FN_SDHICMD0, NULL); | |
359 | gpio_request(GPIO_FN_SDHIWP0, NULL); | |
360 | gpio_pull_up(GPIO_SDHID0_D0); | |
361 | gpio_pull_up(GPIO_SDHID0_D1); | |
362 | gpio_pull_up(GPIO_SDHID0_D2); | |
363 | gpio_pull_up(GPIO_SDHID0_D3); | |
364 | gpio_pull_up(GPIO_SDHICMD0); | |
365 | ||
366 | /* SDHI1 */ | |
367 | gpio_request(GPIO_FN_SDHICLK1, NULL); | |
368 | gpio_request(GPIO_FN_SDHID1_0, NULL); | |
369 | gpio_request(GPIO_FN_SDHID1_1, NULL); | |
370 | gpio_request(GPIO_FN_SDHID1_2, NULL); | |
371 | gpio_request(GPIO_FN_SDHID1_3, NULL); | |
372 | gpio_request(GPIO_FN_SDHICMD1, NULL); | |
373 | gpio_pull_up(GPIO_SDHID1_D0); | |
374 | gpio_pull_up(GPIO_SDHID1_D1); | |
375 | gpio_pull_up(GPIO_SDHID1_D2); | |
376 | gpio_pull_up(GPIO_SDHID1_D3); | |
377 | gpio_pull_up(GPIO_SDHICMD1); | |
378 | ||
f2aaf66d MD |
379 | sh7377_add_standard_devices(); |
380 | ||
381 | platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices)); | |
382 | } | |
383 | ||
0163acf3 MD |
384 | static void __init g4evm_timer_init(void) |
385 | { | |
386 | sh7377_clock_init(); | |
387 | shmobile_timer.init(); | |
388 | } | |
389 | ||
390 | static struct sys_timer g4evm_timer = { | |
391 | .init = g4evm_timer_init, | |
392 | }; | |
393 | ||
f2aaf66d | 394 | MACHINE_START(G4EVM, "g4evm") |
f2aaf66d MD |
395 | .map_io = g4evm_map_io, |
396 | .init_irq = sh7377_init_irq, | |
397 | .init_machine = g4evm_init, | |
0163acf3 | 398 | .timer = &g4evm_timer, |
f2aaf66d | 399 | MACHINE_END |