1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
|
/*
* G4EVM board support
*
* Copyright (C) 2010 Magnus Damm
* Copyright (C) 2008 Yoshihiro Shimoda
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/usb/r8a66597.h>
#include <linux/io.h>
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/gpio.h>
#include <mach/sh7377.h>
#include <mach/common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
/*
* SDHI
*
* SDHI0 : card detection is possible
* SDHI1 : card detection is impossible
*
* [G4-MAIN-BOARD]
* JP74 : short # DBG_2V8A for SDHI0
* JP75 : NC # DBG_3V3A for SDHI0
* JP76 : NC # DBG_3V3A_SD for SDHI0
* JP77 : NC # 3V3A_SDIO for SDHI1
* JP78 : short # DBG_2V8A for SDHI1
* JP79 : NC # DBG_3V3A for SDHI1
* JP80 : NC # DBG_3V3A_SD for SDHI1
*
* [G4-CORE-BOARD]
* S32 : all off # to dissever from G3-CORE_DBG board
* S33 : all off # to dissever from G3-CORE_DBG board
*
* [G3-CORE_DBG-BOARD]
* S1 : all off # to dissever from G3-CORE_DBG board
* S3 : all off # to dissever from G3-CORE_DBG board
* S4 : all off # to dissever from G3-CORE_DBG board
*/
static struct mtd_partition nor_flash_partitions[] = {
{
.name = "loader",
.offset = 0x00000000,
.size = 512 * 1024,
},
{
.name = "bootenv",
.offset = MTDPART_OFS_APPEND,
.size = 512 * 1024,
},
{
.name = "kernel_ro",
.offset = MTDPART_OFS_APPEND,
.size = 8 * 1024 * 1024,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = 8 * 1024 * 1024,
},
{
.name = "data",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct physmap_flash_data nor_flash_data = {
.width = 2,
.parts = nor_flash_partitions,
.nr_parts = ARRAY_SIZE(nor_flash_partitions),
};
static struct resource nor_flash_resources[] = {
[0] = {
.start = 0x00000000,
.end = 0x08000000 - 1,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device nor_flash_device = {
.name = "physmap-flash",
.dev = {
.platform_data = &nor_flash_data,
},
.num_resources = ARRAY_SIZE(nor_flash_resources),
.resource = nor_flash_resources,
};
/* USBHS */
static void usb_host_port_power(int port, int power)
{
if (!power) /* only power-on supported for now */
return;
/* set VBOUT/PWEN and EXTLP0 in DVSTCTR */
__raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008);
}
static struct r8a66597_platdata usb_host_data = {
.on_chip = 1,
.port_power = usb_host_port_power,
};
static struct resource usb_host_resources[] = {
[0] = {
.name = "USBHS",
.start = 0xe6890000,
.end = 0xe68900e5,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x0a20), /* USBHS_USHI0 */
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device usb_host_device = {
.name = "r8a66597_hcd",
.id = 0,
.dev = {
.platform_data = &usb_host_data,
.dma_mask = NULL,
.coherent_dma_mask = 0xffffffff,
},
.num_resources = ARRAY_SIZE(usb_host_resources),
.resource = usb_host_resources,
};
/* KEYSC */
static struct sh_keysc_info keysc_info = {
.mode = SH_KEYSC_MODE_5,
.scan_timing = 3,
.delay = 100,
.keycodes = {
KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F,
KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L,
KEY_M, KEY_N, KEY_U, KEY_P, KEY_Q, KEY_R,
KEY_S, KEY_T, KEY_U, KEY_V, KEY_W, KEY_X,
KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE,
KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5,
KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER,
},
};
static struct resource keysc_resources[] = {
[0] = {
.name = "KEYSC",
.start = 0xe61b0000,
.end = 0xe61b000f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x0be0), /* KEYSC_KEY */
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device keysc_device = {
.name = "sh_keysc",
.id = 0, /* keysc0 clock */
.num_resources = ARRAY_SIZE(keysc_resources),
.resource = keysc_resources,
.dev = {
.platform_data = &keysc_info,
},
};
/* SDHI */
static struct sh_mobile_sdhi_info sdhi0_info = {
.tmio_caps = MMC_CAP_SDIO_IRQ,
};
static struct resource sdhi0_resources[] = {
[0] = {
.name = "SDHI0",
.start = 0xe6d50000,
.end = 0xe6d500ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x0e00), /* SDHI0 */
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device sdhi0_device = {
.name = "sh_mobile_sdhi",
.num_resources = ARRAY_SIZE(sdhi0_resources),
.resource = sdhi0_resources,
.id = 0,
.dev = {
.platform_data = &sdhi0_info,
},
};
static struct sh_mobile_sdhi_info sdhi1_info = {
.tmio_caps = MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ,
};
static struct resource sdhi1_resources[] = {
[0] = {
.name = "SDHI1",
.start = 0xe6d60000,
.end = 0xe6d600ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x0e80), /* SDHI1 */
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device sdhi1_device = {
.name = "sh_mobile_sdhi",
.num_resources = ARRAY_SIZE(sdhi1_resources),
.resource = sdhi1_resources,
.id = 1,
.dev = {
.platform_data = &sdhi1_info,
},
};
static struct platform_device *g4evm_devices[] __initdata = {
&nor_flash_device,
&usb_host_device,
&keysc_device,
&sdhi0_device,
&sdhi1_device,
};
static struct map_desc g4evm_io_desc[] __initdata = {
/* create a 1:1 entity map for 0xe6xxxxxx
* used by CPGA, INTC and PFC.
*/
{
.virtual = 0xe6000000,
.pfn = __phys_to_pfn(0xe6000000),
.length = 256 << 20,
.type = MT_DEVICE_NONSHARED
},
};
static void __init g4evm_map_io(void)
{
iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc));
/* setup early devices and console here as well */
sh7377_add_early_devices();
shmobile_setup_console();
}
#define GPIO_SDHID0_D0 0xe60520fc
#define GPIO_SDHID0_D1 0xe60520fd
#define GPIO_SDHID0_D2 0xe60520fe
#define GPIO_SDHID0_D3 0xe60520ff
#define GPIO_SDHICMD0 0xe6052100
#define GPIO_SDHID1_D0 0xe6052103
#define GPIO_SDHID1_D1 0xe6052104
#define GPIO_SDHID1_D2 0xe6052105
#define GPIO_SDHID1_D3 0xe6052106
#define GPIO_SDHICMD1 0xe6052107
/*
* FIXME !!
*
* gpio_pull_up is quick_hack.
*
* current gpio frame work doesn't have
* the method to control only pull up/down/free.
* this function should be replaced by correct gpio function
*/
static void __init gpio_pull_up(u32 addr)
{
u8 data = __raw_readb(addr);
data &= 0x0F;
data |= 0xC0;
__raw_writeb(data, addr);
}
static void __init g4evm_init(void)
{
sh7377_pinmux_init();
/* Lit DS14 LED */
gpio_request(GPIO_PORT109, NULL);
gpio_direction_output(GPIO_PORT109, 1);
gpio_export(GPIO_PORT109, 1);
/* Lit DS15 LED */
gpio_request(GPIO_PORT110, NULL);
gpio_direction_output(GPIO_PORT110, 1);
gpio_export(GPIO_PORT110, 1);
/* Lit DS16 LED */
gpio_request(GPIO_PORT112, NULL);
gpio_direction_output(GPIO_PORT112, 1);
gpio_export(GPIO_PORT112, 1);
/* Lit DS17 LED */
gpio_request(GPIO_PORT113, NULL);
gpio_direction_output(GPIO_PORT113, 1);
gpio_export(GPIO_PORT113, 1);
/* USBHS */
gpio_request(GPIO_FN_VBUS_0, NULL);
gpio_request(GPIO_FN_PWEN, NULL);
gpio_request(GPIO_FN_OVCN, NULL);
gpio_request(GPIO_FN_OVCN2, NULL);
gpio_request(GPIO_FN_EXTLP, NULL);
gpio_request(GPIO_FN_IDIN, NULL);
/* setup USB phy */
__raw_writew(0x0200, 0xe605810a); /* USBCR1 */
__raw_writew(0x00e0, 0xe60581c0); /* CPFCH */
__raw_writew(0x6010, 0xe60581c6); /* CGPOSR */
__raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */
/* KEYSC @ CN31 */
gpio_request(GPIO_FN_PORT60_KEYOUT5, NULL);
gpio_request(GPIO_FN_PORT61_KEYOUT4, NULL);
gpio_request(GPIO_FN_PORT62_KEYOUT3, NULL);
gpio_request(GPIO_FN_PORT63_KEYOUT2, NULL);
gpio_request(GPIO_FN_PORT64_KEYOUT1, NULL);
gpio_request(GPIO_FN_PORT65_KEYOUT0, NULL);
gpio_request(GPIO_FN_PORT66_KEYIN0_PU, NULL);
gpio_request(GPIO_FN_PORT67_KEYIN1_PU, NULL);
gpio_request(GPIO_FN_PORT68_KEYIN2_PU, NULL);
gpio_request(GPIO_FN_PORT69_KEYIN3_PU, NULL);
gpio_request(GPIO_FN_PORT70_KEYIN4_PU, NULL);
gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL);
gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL);
/* SDHI0 */
gpio_request(GPIO_FN_SDHICLK0, NULL);
gpio_request(GPIO_FN_SDHICD0, NULL);
gpio_request(GPIO_FN_SDHID0_0, NULL);
gpio_request(GPIO_FN_SDHID0_1, NULL);
gpio_request(GPIO_FN_SDHID0_2, NULL);
gpio_request(GPIO_FN_SDHID0_3, NULL);
gpio_request(GPIO_FN_SDHICMD0, NULL);
gpio_request(GPIO_FN_SDHIWP0, NULL);
gpio_pull_up(GPIO_SDHID0_D0);
gpio_pull_up(GPIO_SDHID0_D1);
gpio_pull_up(GPIO_SDHID0_D2);
gpio_pull_up(GPIO_SDHID0_D3);
gpio_pull_up(GPIO_SDHICMD0);
/* SDHI1 */
gpio_request(GPIO_FN_SDHICLK1, NULL);
gpio_request(GPIO_FN_SDHID1_0, NULL);
gpio_request(GPIO_FN_SDHID1_1, NULL);
gpio_request(GPIO_FN_SDHID1_2, NULL);
gpio_request(GPIO_FN_SDHID1_3, NULL);
gpio_request(GPIO_FN_SDHICMD1, NULL);
gpio_pull_up(GPIO_SDHID1_D0);
gpio_pull_up(GPIO_SDHID1_D1);
gpio_pull_up(GPIO_SDHID1_D2);
gpio_pull_up(GPIO_SDHID1_D3);
gpio_pull_up(GPIO_SDHICMD1);
sh7377_add_standard_devices();
platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices));
}
static void __init g4evm_timer_init(void)
{
sh7377_clock_init();
shmobile_timer.init();
}
static struct sys_timer g4evm_timer = {
.init = g4evm_timer_init,
};
MACHINE_START(G4EVM, "g4evm")
.map_io = g4evm_map_io,
.init_irq = sh7377_init_irq,
.handle_irq = shmobile_handle_irq_intc,
.init_machine = g4evm_init,
.timer = &g4evm_timer,
MACHINE_END
|
