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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> | |
9213c000 | 33 | #include <linux/mmc/host.h> |
17e75d82 | 34 | #include <linux/mmc/sh_mobile_sdhi.h> |
276b4f62 | 35 | #include <linux/gpio.h> |
9b742024 | 36 | #include <linux/dma-mapping.h> |
276b4f62 | 37 | #include <mach/sh7377.h> |
f2aaf66d MD |
38 | #include <mach/common.h> |
39 | #include <asm/mach-types.h> | |
40 | #include <asm/mach/arch.h> | |
41 | #include <asm/mach/map.h> | |
0163acf3 | 42 | #include <asm/mach/time.h> |
f2aaf66d | 43 | |
819ee867 KM |
44 | /* |
45 | * SDHI | |
46 | * | |
47 | * SDHI0 : card detection is possible | |
48 | * SDHI1 : card detection is impossible | |
49 | * | |
50 | * [G4-MAIN-BOARD] | |
51 | * JP74 : short # DBG_2V8A for SDHI0 | |
52 | * JP75 : NC # DBG_3V3A for SDHI0 | |
53 | * JP76 : NC # DBG_3V3A_SD for SDHI0 | |
54 | * JP77 : NC # 3V3A_SDIO for SDHI1 | |
55 | * JP78 : short # DBG_2V8A for SDHI1 | |
56 | * JP79 : NC # DBG_3V3A for SDHI1 | |
57 | * JP80 : NC # DBG_3V3A_SD for SDHI1 | |
58 | * | |
59 | * [G4-CORE-BOARD] | |
60 | * S32 : all off # to dissever from G3-CORE_DBG board | |
61 | * S33 : all off # to dissever from G3-CORE_DBG board | |
62 | * | |
63 | * [G3-CORE_DBG-BOARD] | |
64 | * S1 : all off # to dissever from G3-CORE_DBG board | |
65 | * S3 : all off # to dissever from G3-CORE_DBG board | |
66 | * S4 : all off # to dissever from G3-CORE_DBG board | |
67 | */ | |
68 | ||
f2aaf66d MD |
69 | static struct mtd_partition nor_flash_partitions[] = { |
70 | { | |
71 | .name = "loader", | |
72 | .offset = 0x00000000, | |
73 | .size = 512 * 1024, | |
74 | }, | |
75 | { | |
76 | .name = "bootenv", | |
77 | .offset = MTDPART_OFS_APPEND, | |
78 | .size = 512 * 1024, | |
79 | }, | |
80 | { | |
81 | .name = "kernel_ro", | |
82 | .offset = MTDPART_OFS_APPEND, | |
83 | .size = 8 * 1024 * 1024, | |
84 | .mask_flags = MTD_WRITEABLE, | |
85 | }, | |
86 | { | |
87 | .name = "kernel", | |
88 | .offset = MTDPART_OFS_APPEND, | |
89 | .size = 8 * 1024 * 1024, | |
90 | }, | |
91 | { | |
92 | .name = "data", | |
93 | .offset = MTDPART_OFS_APPEND, | |
94 | .size = MTDPART_SIZ_FULL, | |
95 | }, | |
96 | }; | |
97 | ||
98 | static struct physmap_flash_data nor_flash_data = { | |
99 | .width = 2, | |
100 | .parts = nor_flash_partitions, | |
101 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), | |
102 | }; | |
103 | ||
104 | static struct resource nor_flash_resources[] = { | |
105 | [0] = { | |
106 | .start = 0x00000000, | |
107 | .end = 0x08000000 - 1, | |
108 | .flags = IORESOURCE_MEM, | |
109 | } | |
110 | }; | |
111 | ||
112 | static struct platform_device nor_flash_device = { | |
113 | .name = "physmap-flash", | |
114 | .dev = { | |
115 | .platform_data = &nor_flash_data, | |
116 | }, | |
117 | .num_resources = ARRAY_SIZE(nor_flash_resources), | |
118 | .resource = nor_flash_resources, | |
119 | }; | |
120 | ||
aa18ef60 | 121 | /* USBHS */ |
d64a1b0a | 122 | static void usb_host_port_power(int port, int power) |
aa18ef60 NH |
123 | { |
124 | if (!power) /* only power-on supported for now */ | |
125 | return; | |
126 | ||
127 | /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */ | |
128 | __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008); | |
129 | } | |
130 | ||
131 | static struct r8a66597_platdata usb_host_data = { | |
132 | .on_chip = 1, | |
133 | .port_power = usb_host_port_power, | |
134 | }; | |
135 | ||
136 | static struct resource usb_host_resources[] = { | |
137 | [0] = { | |
138 | .name = "USBHS", | |
139 | .start = 0xe6890000, | |
140 | .end = 0xe68900e5, | |
141 | .flags = IORESOURCE_MEM, | |
142 | }, | |
143 | [1] = { | |
043296dd | 144 | .start = evt2irq(0x0a20), /* USBHS_USHI0 */ |
aa18ef60 NH |
145 | .flags = IORESOURCE_IRQ, |
146 | }, | |
147 | }; | |
148 | ||
149 | static struct platform_device usb_host_device = { | |
150 | .name = "r8a66597_hcd", | |
151 | .id = 0, | |
152 | .dev = { | |
153 | .platform_data = &usb_host_data, | |
154 | .dma_mask = NULL, | |
155 | .coherent_dma_mask = 0xffffffff, | |
156 | }, | |
157 | .num_resources = ARRAY_SIZE(usb_host_resources), | |
158 | .resource = usb_host_resources, | |
159 | }; | |
f2aaf66d | 160 | |
6676a170 NH |
161 | /* KEYSC */ |
162 | static struct sh_keysc_info keysc_info = { | |
163 | .mode = SH_KEYSC_MODE_5, | |
164 | .scan_timing = 3, | |
165 | .delay = 100, | |
166 | .keycodes = { | |
167 | KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, | |
168 | KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, | |
169 | KEY_M, KEY_N, KEY_U, KEY_P, KEY_Q, KEY_R, | |
170 | KEY_S, KEY_T, KEY_U, KEY_V, KEY_W, KEY_X, | |
171 | KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE, | |
172 | KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, | |
173 | KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER, | |
174 | }, | |
175 | }; | |
176 | ||
177 | static struct resource keysc_resources[] = { | |
178 | [0] = { | |
179 | .name = "KEYSC", | |
180 | .start = 0xe61b0000, | |
181 | .end = 0xe61b000f, | |
182 | .flags = IORESOURCE_MEM, | |
183 | }, | |
184 | [1] = { | |
043296dd | 185 | .start = evt2irq(0x0be0), /* KEYSC_KEY */ |
6676a170 NH |
186 | .flags = IORESOURCE_IRQ, |
187 | }, | |
188 | }; | |
189 | ||
190 | static struct platform_device keysc_device = { | |
191 | .name = "sh_keysc", | |
192 | .id = 0, /* keysc0 clock */ | |
193 | .num_resources = ARRAY_SIZE(keysc_resources), | |
194 | .resource = keysc_resources, | |
195 | .dev = { | |
196 | .platform_data = &keysc_info, | |
197 | }, | |
198 | }; | |
199 | ||
819ee867 | 200 | /* SDHI */ |
9213c000 MD |
201 | static struct sh_mobile_sdhi_info sdhi0_info = { |
202 | .tmio_caps = MMC_CAP_SDIO_IRQ, | |
203 | }; | |
204 | ||
819ee867 KM |
205 | static struct resource sdhi0_resources[] = { |
206 | [0] = { | |
207 | .name = "SDHI0", | |
208 | .start = 0xe6d50000, | |
1acd3de5 | 209 | .end = 0xe6d500ff, |
819ee867 KM |
210 | .flags = IORESOURCE_MEM, |
211 | }, | |
212 | [1] = { | |
043296dd | 213 | .start = evt2irq(0x0e00), /* SDHI0 */ |
819ee867 KM |
214 | .flags = IORESOURCE_IRQ, |
215 | }, | |
216 | }; | |
217 | ||
218 | static struct platform_device sdhi0_device = { | |
219 | .name = "sh_mobile_sdhi", | |
220 | .num_resources = ARRAY_SIZE(sdhi0_resources), | |
221 | .resource = sdhi0_resources, | |
222 | .id = 0, | |
9213c000 MD |
223 | .dev = { |
224 | .platform_data = &sdhi0_info, | |
225 | }, | |
226 | }; | |
227 | ||
228 | static struct sh_mobile_sdhi_info sdhi1_info = { | |
229 | .tmio_caps = MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ, | |
819ee867 KM |
230 | }; |
231 | ||
232 | static struct resource sdhi1_resources[] = { | |
233 | [0] = { | |
234 | .name = "SDHI1", | |
235 | .start = 0xe6d60000, | |
31d31fe7 | 236 | .end = 0xe6d600ff, |
819ee867 KM |
237 | .flags = IORESOURCE_MEM, |
238 | }, | |
239 | [1] = { | |
043296dd | 240 | .start = evt2irq(0x0e80), /* SDHI1 */ |
819ee867 KM |
241 | .flags = IORESOURCE_IRQ, |
242 | }, | |
243 | }; | |
244 | ||
245 | static struct platform_device sdhi1_device = { | |
246 | .name = "sh_mobile_sdhi", | |
247 | .num_resources = ARRAY_SIZE(sdhi1_resources), | |
248 | .resource = sdhi1_resources, | |
249 | .id = 1, | |
9213c000 MD |
250 | .dev = { |
251 | .platform_data = &sdhi1_info, | |
252 | }, | |
819ee867 KM |
253 | }; |
254 | ||
f2aaf66d MD |
255 | static struct platform_device *g4evm_devices[] __initdata = { |
256 | &nor_flash_device, | |
aa18ef60 | 257 | &usb_host_device, |
6676a170 | 258 | &keysc_device, |
819ee867 KM |
259 | &sdhi0_device, |
260 | &sdhi1_device, | |
f2aaf66d MD |
261 | }; |
262 | ||
263 | static struct map_desc g4evm_io_desc[] __initdata = { | |
264 | /* create a 1:1 entity map for 0xe6xxxxxx | |
265 | * used by CPGA, INTC and PFC. | |
266 | */ | |
267 | { | |
268 | .virtual = 0xe6000000, | |
269 | .pfn = __phys_to_pfn(0xe6000000), | |
270 | .length = 256 << 20, | |
271 | .type = MT_DEVICE_NONSHARED | |
272 | }, | |
273 | }; | |
274 | ||
275 | static void __init g4evm_map_io(void) | |
276 | { | |
277 | iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc)); | |
9b742024 JM |
278 | /* DMA memory at 0xf6000000 - 0xffdfffff */ |
279 | init_consistent_dma_size(158 << 20); | |
f2aaf66d | 280 | |
0163acf3 | 281 | /* setup early devices and console here as well */ |
f2aaf66d | 282 | sh7377_add_early_devices(); |
4ae04acb | 283 | shmobile_setup_console(); |
f2aaf66d MD |
284 | } |
285 | ||
819ee867 KM |
286 | #define GPIO_SDHID0_D0 0xe60520fc |
287 | #define GPIO_SDHID0_D1 0xe60520fd | |
288 | #define GPIO_SDHID0_D2 0xe60520fe | |
289 | #define GPIO_SDHID0_D3 0xe60520ff | |
290 | #define GPIO_SDHICMD0 0xe6052100 | |
291 | ||
292 | #define GPIO_SDHID1_D0 0xe6052103 | |
293 | #define GPIO_SDHID1_D1 0xe6052104 | |
294 | #define GPIO_SDHID1_D2 0xe6052105 | |
295 | #define GPIO_SDHID1_D3 0xe6052106 | |
296 | #define GPIO_SDHICMD1 0xe6052107 | |
297 | ||
298 | /* | |
299 | * FIXME !! | |
300 | * | |
301 | * gpio_pull_up is quick_hack. | |
302 | * | |
303 | * current gpio frame work doesn't have | |
304 | * the method to control only pull up/down/free. | |
305 | * this function should be replaced by correct gpio function | |
306 | */ | |
307 | static void __init gpio_pull_up(u32 addr) | |
308 | { | |
309 | u8 data = __raw_readb(addr); | |
310 | ||
311 | data &= 0x0F; | |
312 | data |= 0xC0; | |
313 | __raw_writeb(data, addr); | |
314 | } | |
315 | ||
f2aaf66d MD |
316 | static void __init g4evm_init(void) |
317 | { | |
276b4f62 NH |
318 | sh7377_pinmux_init(); |
319 | ||
320 | /* Lit DS14 LED */ | |
321 | gpio_request(GPIO_PORT109, NULL); | |
322 | gpio_direction_output(GPIO_PORT109, 1); | |
323 | gpio_export(GPIO_PORT109, 1); | |
324 | ||
325 | /* Lit DS15 LED */ | |
326 | gpio_request(GPIO_PORT110, NULL); | |
327 | gpio_direction_output(GPIO_PORT110, 1); | |
328 | gpio_export(GPIO_PORT110, 1); | |
329 | ||
330 | /* Lit DS16 LED */ | |
331 | gpio_request(GPIO_PORT112, NULL); | |
332 | gpio_direction_output(GPIO_PORT112, 1); | |
333 | gpio_export(GPIO_PORT112, 1); | |
334 | ||
335 | /* Lit DS17 LED */ | |
336 | gpio_request(GPIO_PORT113, NULL); | |
337 | gpio_direction_output(GPIO_PORT113, 1); | |
338 | gpio_export(GPIO_PORT113, 1); | |
339 | ||
aa18ef60 NH |
340 | /* USBHS */ |
341 | gpio_request(GPIO_FN_VBUS_0, NULL); | |
342 | gpio_request(GPIO_FN_PWEN, NULL); | |
343 | gpio_request(GPIO_FN_OVCN, NULL); | |
344 | gpio_request(GPIO_FN_OVCN2, NULL); | |
345 | gpio_request(GPIO_FN_EXTLP, NULL); | |
346 | gpio_request(GPIO_FN_IDIN, NULL); | |
347 | ||
aa18ef60 NH |
348 | /* setup USB phy */ |
349 | __raw_writew(0x0200, 0xe605810a); /* USBCR1 */ | |
350 | __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ | |
351 | __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */ | |
352 | __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */ | |
353 | ||
6676a170 NH |
354 | /* KEYSC @ CN31 */ |
355 | gpio_request(GPIO_FN_PORT60_KEYOUT5, NULL); | |
356 | gpio_request(GPIO_FN_PORT61_KEYOUT4, NULL); | |
357 | gpio_request(GPIO_FN_PORT62_KEYOUT3, NULL); | |
358 | gpio_request(GPIO_FN_PORT63_KEYOUT2, NULL); | |
359 | gpio_request(GPIO_FN_PORT64_KEYOUT1, NULL); | |
360 | gpio_request(GPIO_FN_PORT65_KEYOUT0, NULL); | |
361 | gpio_request(GPIO_FN_PORT66_KEYIN0_PU, NULL); | |
362 | gpio_request(GPIO_FN_PORT67_KEYIN1_PU, NULL); | |
363 | gpio_request(GPIO_FN_PORT68_KEYIN2_PU, NULL); | |
364 | gpio_request(GPIO_FN_PORT69_KEYIN3_PU, NULL); | |
365 | gpio_request(GPIO_FN_PORT70_KEYIN4_PU, NULL); | |
366 | gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL); | |
367 | gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL); | |
368 | ||
819ee867 KM |
369 | /* SDHI0 */ |
370 | gpio_request(GPIO_FN_SDHICLK0, NULL); | |
371 | gpio_request(GPIO_FN_SDHICD0, NULL); | |
372 | gpio_request(GPIO_FN_SDHID0_0, NULL); | |
373 | gpio_request(GPIO_FN_SDHID0_1, NULL); | |
374 | gpio_request(GPIO_FN_SDHID0_2, NULL); | |
375 | gpio_request(GPIO_FN_SDHID0_3, NULL); | |
376 | gpio_request(GPIO_FN_SDHICMD0, NULL); | |
377 | gpio_request(GPIO_FN_SDHIWP0, NULL); | |
378 | gpio_pull_up(GPIO_SDHID0_D0); | |
379 | gpio_pull_up(GPIO_SDHID0_D1); | |
380 | gpio_pull_up(GPIO_SDHID0_D2); | |
381 | gpio_pull_up(GPIO_SDHID0_D3); | |
382 | gpio_pull_up(GPIO_SDHICMD0); | |
383 | ||
384 | /* SDHI1 */ | |
385 | gpio_request(GPIO_FN_SDHICLK1, NULL); | |
386 | gpio_request(GPIO_FN_SDHID1_0, NULL); | |
387 | gpio_request(GPIO_FN_SDHID1_1, NULL); | |
388 | gpio_request(GPIO_FN_SDHID1_2, NULL); | |
389 | gpio_request(GPIO_FN_SDHID1_3, NULL); | |
390 | gpio_request(GPIO_FN_SDHICMD1, NULL); | |
391 | gpio_pull_up(GPIO_SDHID1_D0); | |
392 | gpio_pull_up(GPIO_SDHID1_D1); | |
393 | gpio_pull_up(GPIO_SDHID1_D2); | |
394 | gpio_pull_up(GPIO_SDHID1_D3); | |
395 | gpio_pull_up(GPIO_SDHICMD1); | |
396 | ||
f2aaf66d MD |
397 | sh7377_add_standard_devices(); |
398 | ||
399 | platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices)); | |
400 | } | |
401 | ||
0163acf3 MD |
402 | static void __init g4evm_timer_init(void) |
403 | { | |
404 | sh7377_clock_init(); | |
405 | shmobile_timer.init(); | |
406 | } | |
407 | ||
408 | static struct sys_timer g4evm_timer = { | |
409 | .init = g4evm_timer_init, | |
410 | }; | |
411 | ||
f2aaf66d | 412 | MACHINE_START(G4EVM, "g4evm") |
f2aaf66d MD |
413 | .map_io = g4evm_map_io, |
414 | .init_irq = sh7377_init_irq, | |
863b1719 | 415 | .handle_irq = shmobile_handle_irq_intc, |
f2aaf66d | 416 | .init_machine = g4evm_init, |
0163acf3 | 417 | .timer = &g4evm_timer, |
f2aaf66d | 418 | MACHINE_END |