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
|
/*
* linux/arch/arm/mach-pxa/cm-x270.c
*
* Copyright (C) 2007, 2008 CompuLab, Ltd.
* Mike Rapoport <mike@compulab.co.il>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/rtc-v3020.h>
#include <video/mbxfb.h>
#include <linux/spi/spi.h>
#include <linux/spi/pxa2xx_spi.h>
#include <linux/spi/libertas_spi.h>
#include <mach/pxa27x.h>
#include <mach/ohci.h>
#include <mach/mmc.h>
#include "generic.h"
/* physical address if local-bus attached devices */
#define RTC_PHYS_BASE (PXA_CS1_PHYS + (5 << 22))
/* GPIO IRQ usage */
#define GPIO83_MMC_IRQ (83)
#define CMX270_MMC_IRQ IRQ_GPIO(GPIO83_MMC_IRQ)
/* MMC power enable */
#define GPIO105_MMC_POWER (105)
/* WLAN GPIOS */
#define GPIO19_WLAN_STRAP (19)
#define GPIO102_WLAN_RST (102)
static unsigned long cmx270_pin_config[] = {
/* AC'97 */
GPIO28_AC97_BITCLK,
GPIO29_AC97_SDATA_IN_0,
GPIO30_AC97_SDATA_OUT,
GPIO31_AC97_SYNC,
GPIO98_AC97_SYSCLK,
GPIO113_AC97_nRESET,
/* BTUART */
GPIO42_BTUART_RXD,
GPIO43_BTUART_TXD,
GPIO44_BTUART_CTS,
GPIO45_BTUART_RTS,
/* STUART */
GPIO46_STUART_RXD,
GPIO47_STUART_TXD,
/* MCI controller */
GPIO32_MMC_CLK,
GPIO112_MMC_CMD,
GPIO92_MMC_DAT_0,
GPIO109_MMC_DAT_1,
GPIO110_MMC_DAT_2,
GPIO111_MMC_DAT_3,
/* LCD */
GPIOxx_LCD_TFT_16BPP,
/* I2C */
GPIO117_I2C_SCL,
GPIO118_I2C_SDA,
/* SSP1 */
GPIO23_SSP1_SCLK,
GPIO24_SSP1_SFRM,
GPIO25_SSP1_TXD,
GPIO26_SSP1_RXD,
/* SSP2 */
GPIO19_GPIO, /* SSP2 clock is used as GPIO for Libertas pin-strap */
GPIO14_GPIO,
GPIO87_SSP2_TXD,
GPIO88_SSP2_RXD,
/* PC Card */
GPIO48_nPOE,
GPIO49_nPWE,
GPIO50_nPIOR,
GPIO51_nPIOW,
GPIO85_nPCE_1,
GPIO54_nPCE_2,
GPIO55_nPREG,
GPIO56_nPWAIT,
GPIO57_nIOIS16,
/* SDRAM and local bus */
GPIO15_nCS_1,
GPIO78_nCS_2,
GPIO79_nCS_3,
GPIO80_nCS_4,
GPIO33_nCS_5,
GPIO49_nPWE,
GPIO18_RDY,
/* GPIO */
GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,
GPIO105_GPIO | MFP_LPM_DRIVE_HIGH, /* MMC/SD power */
GPIO53_GPIO, /* PC card reset */
GPIO102_GPIO, /* WLAN reset */
/* NAND controls */
GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */
GPIO89_GPIO, /* NAND Ready/Busy */
/* interrupts */
GPIO10_GPIO, /* DM9000 interrupt */
GPIO83_GPIO, /* MMC card detect */
GPIO95_GPIO, /* WLAN interrupt */
};
/* V3020 RTC */
#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
static struct resource cmx270_v3020_resource[] = {
[0] = {
.start = RTC_PHYS_BASE,
.end = RTC_PHYS_BASE + 4,
.flags = IORESOURCE_MEM,
},
};
struct v3020_platform_data cmx270_v3020_pdata = {
.leftshift = 16,
};
static struct platform_device cmx270_rtc_device = {
.name = "v3020",
.num_resources = ARRAY_SIZE(cmx270_v3020_resource),
.resource = cmx270_v3020_resource,
.id = -1,
.dev = {
.platform_data = &cmx270_v3020_pdata,
}
};
static void __init cmx270_init_rtc(void)
{
platform_device_register(&cmx270_rtc_device);
}
#else
static inline void cmx270_init_rtc(void) {}
#endif
/* 2700G graphics */
#if defined(CONFIG_FB_MBX) || defined(CONFIG_FB_MBX_MODULE)
static u64 fb_dma_mask = ~(u64)0;
static struct resource cmx270_2700G_resource[] = {
/* frame buffer memory including ODFB and External SDRAM */
[0] = {
.start = PXA_CS2_PHYS,
.end = PXA_CS2_PHYS + 0x01ffffff,
.flags = IORESOURCE_MEM,
},
/* Marathon registers */
[1] = {
.start = PXA_CS2_PHYS + 0x03fe0000,
.end = PXA_CS2_PHYS + 0x03ffffff,
.flags = IORESOURCE_MEM,
},
};
static unsigned long cmx270_marathon_on[] = {
GPIO58_GPIO,
GPIO59_GPIO,
GPIO60_GPIO,
GPIO61_GPIO,
GPIO62_GPIO,
GPIO63_GPIO,
GPIO64_GPIO,
GPIO65_GPIO,
GPIO66_GPIO,
GPIO67_GPIO,
GPIO68_GPIO,
GPIO69_GPIO,
GPIO70_GPIO,
GPIO71_GPIO,
GPIO72_GPIO,
GPIO73_GPIO,
GPIO74_GPIO,
GPIO75_GPIO,
GPIO76_GPIO,
GPIO77_GPIO,
};
static unsigned long cmx270_marathon_off[] = {
GPIOxx_LCD_TFT_16BPP,
};
static int cmx270_marathon_probe(struct fb_info *fb)
{
int gpio, err;
for (gpio = 58; gpio <= 77; gpio++) {
err = gpio_request(gpio, "LCD");
if (err)
return err;
gpio_direction_input(gpio);
}
pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_marathon_on));
return 0;
}
static int cmx270_marathon_remove(struct fb_info *fb)
{
int gpio;
pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_marathon_off));
for (gpio = 58; gpio <= 77; gpio++)
gpio_free(gpio);
return 0;
}
static struct mbxfb_platform_data cmx270_2700G_data = {
.xres = {
.min = 240,
.max = 1200,
.defval = 640,
},
.yres = {
.min = 240,
.max = 1200,
.defval = 480,
},
.bpp = {
.min = 16,
.max = 32,
.defval = 16,
},
.memsize = 8*1024*1024,
.probe = cmx270_marathon_probe,
.remove = cmx270_marathon_remove,
};
static struct platform_device cmx270_2700G = {
.name = "mbx-fb",
.dev = {
.platform_data = &cmx270_2700G_data,
.dma_mask = &fb_dma_mask,
.coherent_dma_mask = 0xffffffff,
},
.num_resources = ARRAY_SIZE(cmx270_2700G_resource),
.resource = cmx270_2700G_resource,
.id = -1,
};
static void __init cmx270_init_2700G(void)
{
platform_device_register(&cmx270_2700G);
}
#else
static inline void cmx270_init_2700G(void) {}
#endif
/* PXA27x OHCI controller setup */
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static struct pxaohci_platform_data cmx270_ohci_platform_data = {
.port_mode = PMM_PERPORT_MODE,
.flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
};
static void __init cmx270_init_ohci(void)
{
pxa_set_ohci_info(&cmx270_ohci_platform_data);
}
#else
static inline void cmx270_init_ohci(void) {}
#endif
#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
static struct pxamci_platform_data cmx270_mci_platform_data = {
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
.gpio_card_detect = GPIO83_MMC_IRQ,
.gpio_card_ro = -1,
.gpio_power = GPIO105_MMC_POWER,
.gpio_power_invert = 1,
};
static void __init cmx270_init_mmc(void)
{
pxa_set_mci_info(&cmx270_mci_platform_data);
}
#else
static inline void cmx270_init_mmc(void) {}
#endif
#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
static struct pxa2xx_spi_master cm_x270_spi_info = {
.num_chipselect = 1,
.enable_dma = 1,
};
static struct pxa2xx_spi_chip cm_x270_libertas_chip = {
.rx_threshold = 1,
.tx_threshold = 1,
.timeout = 1000,
.gpio_cs = 14,
};
static unsigned long cm_x270_libertas_pin_config[] = {
/* SSP2 */
GPIO19_SSP2_SCLK,
GPIO14_GPIO,
GPIO87_SSP2_TXD,
GPIO88_SSP2_RXD,
};
static int cm_x270_libertas_setup(struct spi_device *spi)
{
int err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
if (err)
return err;
err = gpio_request(GPIO102_WLAN_RST, "WLAN RST");
if (err)
goto err_free_strap;
err = gpio_direction_output(GPIO102_WLAN_RST, 0);
if (err)
goto err_free_strap;
msleep(100);
err = gpio_direction_output(GPIO19_WLAN_STRAP, 1);
if (err)
goto err_free_strap;
msleep(100);
pxa2xx_mfp_config(ARRAY_AND_SIZE(cm_x270_libertas_pin_config));
gpio_set_value(GPIO102_WLAN_RST, 1);
msleep(100);
spi->bits_per_word = 16;
spi_setup(spi);
return 0;
err_free_strap:
gpio_free(GPIO19_WLAN_STRAP);
return err;
}
static int cm_x270_libertas_teardown(struct spi_device *spi)
{
gpio_set_value(GPIO102_WLAN_RST, 0);
gpio_free(GPIO102_WLAN_RST);
gpio_free(GPIO19_WLAN_STRAP);
return 0
|