summaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/mxm8x10.c
blob: e4248a3a8dfc193e36a849c501d299e9bbce85f6 (plain)
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
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
/*
 * linux/arch/arm/mach-pxa/mxm8x10.c
 *
 * Support for the Embedian MXM-8x10 Computer on Module
 *
 * Copyright (C) 2006 Marvell International Ltd.
 * Copyright (C) 2009 Embedian Inc.
 * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
 *
 * 2007-09-04: eric miao <eric.y.miao@gmail.com>
 *             rewrite to align with latest kernel
 *
 * 2010-01-09: Edwin Peer <epeer@tmtservices.co.za>
 * 	       Hennie van der Merwe <hvdmerwe@tmtservices.co.za>
 *             rework for upstream merge
 *
 * 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/serial_8250.h>
#include <linux/dm9000.h>
#include <linux/gpio/machine.h>
#include <linux/platform_data/i2c-pxa.h>

#include <linux/platform_data/mtd-nand-pxa3xx.h>

#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include "pxa320.h"

#include "mxm8x10.h"

#include "devices.h"
#include "generic.h"

/* GPIO pin definition

External device stuff   - Leave unconfigured for now...
---------------------
GPIO0   -   DREQ    (External DMA Request)
GPIO3   -   nGCS2   (External Chip Select) Where is nGCS0; nGCS1; nGCS4; nGCS5 ?
GPIO4   -   nGCS3
GPIO15  -   EXT_GPIO1
GPIO16  -   EXT_GPIO2
GPIO17  -   EXT_GPIO3
GPIO24  -   EXT_GPIO4
GPIO25  -   EXT_GPIO5
GPIO26  -   EXT_GPIO6
GPIO27  -   EXT_GPIO7
GPIO28  -   EXT_GPIO8
GPIO29  -   EXT_GPIO9
GPIO30  -   EXT_GPIO10
GPIO31  -   EXT_GPIO11
GPIO57  -   EXT_GPIO12
GPIO74  -   EXT_IRQ1
GPIO75  -   EXT_IRQ2
GPIO76  -   EXT_IRQ3
GPIO77  -   EXT_IRQ4
GPIO78  -   EXT_IRQ5
GPIO79  -   EXT_IRQ6
GPIO80  -   EXT_IRQ7
GPIO81  -   EXT_IRQ8
GPIO87  -   VCCIO_PWREN (External Device PWREN)

Dallas 1-Wire   - Leave unconfigured for now...
-------------
GPIO0_2 -   DS - 1Wire

Ethernet
--------
GPIO1   -   DM9000 PWR
GPIO9   -   DM9K_nIRQ
GPIO36  -   DM9K_RESET

Keypad  - Leave unconfigured by for now...
------
GPIO1_2 -   KP_DKIN0
GPIO5_2 -   KP_MKOUT7
GPIO82  -   KP_DKIN1
GPIO85  -   KP_DKIN2
GPIO86  -   KP_DKIN3
GPIO113 -   KP_MKIN0
GPIO114 -   KP_MKIN1
GPIO115 -   KP_MKIN2
GPIO116 -   KP_MKIN3
GPIO117 -   KP_MKIN4
GPIO118 -   KP_MKIN5
GPIO119 -   KP_MKIN6
GPIO120 -   KP_MKIN7
GPIO121 -   KP_MKOUT0
GPIO122 -   KP_MKOUT1
GPIO122 -   KP_MKOUT2
GPIO123 -   KP_MKOUT3
GPIO124 -   KP_MKOUT4
GPIO125 -   KP_MKOUT5
GPIO127 -   KP_MKOUT6

Data Bus    - Leave unconfigured for now...
--------
GPIO2   -   nWait (Data Bus)

USB Device
----------
GPIO4_2 -   USBD_PULLUP
GPIO10  -   UTM_CLK (USB Device UTM Clk)
GPIO49  -   USB 2.0 Device UTM_DATA0
GPIO50  -   USB 2.0 Device UTM_DATA1
GPIO51  -   USB 2.0 Device UTM_DATA2
GPIO52  -   USB 2.0 Device UTM_DATA3
GPIO53  -   USB 2.0 Device UTM_DATA4
GPIO54  -   USB 2.0 Device UTM_DATA5
GPIO55  -   USB 2.0 Device UTM_DATA6
GPIO56  -   USB 2.0 Device UTM_DATA7
GPIO58  -   UTM_RXVALID (USB 2.0 Device)
GPIO59  -   UTM_RXACTIVE (USB 2.0 Device)
GPIO60  -   UTM_RXERROR
GPIO61  -   UTM_OPMODE0
GPIO62  -   UTM_OPMODE1
GPIO71  -   USBD_INT    (USB Device?)
GPIO73  -   UTM_TXREADY (USB 2.0 Device)
GPIO83  -   UTM_TXVALID (USB 2.0 Device)
GPIO98  -   UTM_RESET   (USB 2.0 device)
GPIO99  -   UTM_XCVR_SELECT
GPIO100 -   UTM_TERM_SELECT
GPIO101 -   UTM_SUSPENDM_X
GPIO102 -   UTM_LINESTATE0
GPIO103 -   UTM_LINESTATE1

Card-Bus Interface  - Leave unconfigured for now...
------------------
GPIO5   -   nPIOR (I/O space output enable)
GPIO6   -   nPIOW (I/O space write enable)
GPIO7   -   nIOS16 (Input from I/O space telling size of data bus)
GPIO8   -   nPWAIT (Input for inserting wait states)

LCD
---
GPIO6_2     -   LDD0
GPIO7_2     -   LDD1
GPIO8_2     -   LDD2
GPIO9_2     -   LDD3
GPIO11_2    -   LDD5
GPIO12_2    -   LDD6
GPIO13_2    -   LDD7
GPIO14_2    -   VSYNC
GPIO15_2    -   HSYNC
GPIO16_2    -   VCLK
GPIO17_2    -   HCLK
GPIO18_2    -   VDEN
GPIO63      -   LDD8    (CPU LCD)
GPIO64      -   LDD9    (CPU LCD)
GPIO65      -   LDD10   (CPU LCD)
GPIO66      -   LDD11   (CPU LCD)
GPIO67      -   LDD12   (CPU LCD)
GPIO68      -   LDD13   (CPU LCD)
GPIO69      -   LDD14   (CPU LCD)
GPIO70      -   LDD15   (CPU LCD)
GPIO88      -   VCCLCD_PWREN (LCD Panel PWREN)
GPIO97      -   BACKLIGHT_EN
GPIO104     -   LCD_PWREN

PWM   - Leave unconfigured for now...
---
GPIO11  -   PWM0
GPIO12  -   PWM1
GPIO13  -   PWM2
GPIO14  -   PWM3

SD-CARD
-------
GPIO18  -   SDDATA0
GPIO19  -   SDDATA1
GPIO20  -   SDDATA2
GPIO21  -   SDDATA3
GPIO22  -   SDCLK
GPIO23  -   SDCMD
GPIO72  -   SD_WP
GPIO84  -   SD_nIRQ_CD  (SD-Card)

I2C
---
GPIO32  -   I2CSCL
GPIO33  -   I2CSDA

AC97
----
GPIO35  -   AC97_SDATA_IN
GPIO37  -   AC97_SDATA_OUT
GPIO38  -   AC97_SYNC
GPIO39  -   AC97_BITCLK
GPIO40  -   AC97_nRESET

UART1
-----
GPIO41  -   UART_RXD1
GPIO42  -   UART_TXD1
GPIO43  -   UART_CTS1
GPIO44  -   UART_DCD1
GPIO45  -   UART_DSR1
GPIO46  -   UART_nRI1
GPIO47  -   UART_DTR1
GPIO48  -   UART_RTS1

UART2
-----
GPIO109 -   RTS2
GPIO110 -   RXD2
GPIO111 -   TXD2
GPIO112 -   nCTS2

UART3
-----
GPIO105 -   nCTS3
GPIO106 -   nRTS3
GPIO107 -   TXD3
GPIO108 -   RXD3

SSP3    - Leave unconfigured for now...
----
GPIO89  -   SSP3_CLK
GPIO90  -   SSP3_SFRM
GPIO91  -   SSP3_TXD
GPIO92  -   SSP3_RXD

SSP4
GPIO93  -   SSP4_CLK
GPIO94  -   SSP4_SFRM
GPIO95  -   SSP4_TXD
GPIO96  -   SSP4_RXD
*/

static mfp_cfg_t mfp_cfg[] __initdata = {
	/* USB */
	GPIO10_UTM_CLK,
	GPIO49_U2D_PHYDATA_0,
	GPIO50_U2D_PHYDATA_1,
	GPIO51_U2D_PHYDATA_2,
	GPIO52_U2D_PHYDATA_3,
	GPIO53_U2D_PHYDATA_4,
	GPIO54_U2D_PHYDATA_5,
	GPIO55_U2D_PHYDATA_6,
	GPIO56_U2D_PHYDATA_7,
	GPIO58_UTM_RXVALID,
	GPIO59_UTM_RXACTIVE,
	GPIO60_U2D_RXERROR,
	GPIO61_U2D_OPMODE0,
	GPIO62_U2D_OPMODE1,
	GPIO71_GPIO, /* USBD_INT */
	GPIO73_UTM_TXREADY,
	GPIO83_U2D_TXVALID,
	GPIO98_U2D_RESET,
	GPIO99_U2D_XCVR_SEL,
	GPIO100_U2D_TERM_SEL,
	GPIO101_U2D_SUSPEND,
	GPIO102_UTM_LINESTATE_0,
	GPIO103_UTM_LINESTATE_1,
	GPIO4_2_GPIO | MFP_PULL_HIGH, /* UTM_PULLUP */

	/* DM9000 */
	GPIO1_GPIO,
	GPIO9_GPIO,
	GPIO36_GPIO,

	/* AC97 */
	GPIO35_AC97_SDATA_IN_0,
	GPIO37_AC97_SDATA_OUT,
	GPIO38_AC97_SYNC,
	GPIO39_AC97_BITCLK,
	GPIO40_AC97_nACRESET,

	/* UARTS */
	GPIO41_UART1_RXD,
	GPIO42_UART1_TXD,
	GPIO43_UART1_CTS,
	GPIO44_UART1_DCD,
	GPIO45_UART1_DSR,
	GPIO46_UART1_RI,
	GPIO47_UART1_DTR,
	GPIO48_UART1_RTS,

	GPIO109_UART2_RTS,
	GPIO110_UART2_RXD,
	GPIO111_UART2_TXD,
	GPIO112_UART2_CTS,

	GPIO105_UART3_CTS,
	GPIO106_UART3_RTS,
	GPIO107_UART3_TXD,
	GPIO108_UART3_RXD,

	GPIO78_GPIO,
	GPIO79_GPIO,
	GPIO80_GPIO,
	GPIO81_GPIO,

	/* I2C */
	GPIO32_I2C_SCL,
	GPIO33_I2C_SDA,

	/* MMC */
	GPIO18_MMC1_DAT0,
	GPIO19_MMC1_DAT1,
	GPIO20_MMC1_DAT2,
	GPIO21_MMC1_DAT3,
	GPIO22_MMC1_CLK,
	GPIO23_MMC1_CMD,
	GPIO72_GPIO | MFP_PULL_HIGH, /* Card Detect */
	GPIO84_GPIO | MFP_PULL_LOW, /* Write Protect */

	/* IRQ */
	GPIO74_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ1 */
	GPIO75_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ2 */
	GPIO76_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ3 */
	GPIO77_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ4 */
	GPIO78_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ5 */
	GPIO79_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ6 */
	GPIO80_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ7 */
	GPIO81_GPIO | MFP_LPM_EDGE_RISE  /* EXT_IRQ8 */
};

/* MMC/MCI Support */
#if defined(CONFIG_MMC)
static struct pxamci_platform_data mxm_8x10_mci_platform_data = {
	.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
	.detect_delay_ms = 10,
};

static struct gpiod_lookup_table mxm_8x10_mci_gpio_table = {
	.dev_id = "pxa2xx-mci.0",
	.table = {
		/* Card detect on GPIO 72 */
		GPIO_LOOKUP("gpio-pxa", MXM_8X10_SD_nCD,
			    "cd", GPIO_ACTIVE_LOW),
		/* Write protect on GPIO 84 */
		GPIO_LOOKUP("gpio-pxa", MXM_8X10_SD_WP,
			    "wp", GPIO_ACTIVE_LOW),
		{ },
	},
};

void __init mxm_8x10_mmc_init(void)
{
	gpiod_add_lookup_table(&mxm_8x10_mci_gpio_table);
	pxa_set_mci_info(&mxm_8x10_mci_platform_data);
}
#endif

/* USB Open Host Controller Interface */
static struct pxaohci_platform_data mxm_8x10_ohci_platform_data = {
	.port_mode = PMM_NPS_MODE,
	.flags = ENABLE_PORT_ALL
};

void __init mxm_8x10_usb_host_init(void)
{
	pxa_set_ohci_info(&mxm_8x10_ohci_platform_data);
}

/* AC97 Sound Support */
static struct platform_device mxm_8x10_ac97_device = {
	.name = "pxa2xx-ac97"
};

void __init mxm_8x10_ac97_init(void)
{
	platform_device_register(&mxm_8x10_ac97_device);
}

/* NAND flash Support */
#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
#define NAND_BLOCK_SIZE SZ_128K
#define NB(x)           (NAND_BLOCK_SIZE * (x))
static struct mtd_partition mxm_8x10_nand_partitions[] = {
	[0] = {
	       .name = "boot",
	       .size = NB(0x002),
	       .offset = NB(0x000),
	       .mask_flags = MTD_WRITEABLE
	},
	[1] = {
	       .name = "kernel",
	       .size = NB(0x010),
	       .offset = NB(0x002),
	       .mask_flags = MTD_WRITEABLE
	},
	[2] = {
	       .name = "root",
	       .size = NB(0x36c),
	       .offset = NB(0x012)
	},
	[3] = {
	       .name = "bbt",
	       .size = NB(0x082),
	       .offset = NB(0x37e),
	       .mask_flags = MTD_WRITEABLE
	}
};

static struct pxa3xx_nand_platform_data mxm_8x10_nand_info = {
	.keep_config	= 1,
	.parts		= mxm_8x10_nand_partitions,
	.nr_parts	= ARRAY_SIZE(mxm_8x10_nand_partitions)
};

static void __init mxm_8x10_nand_init(void)
{
	pxa3xx_set_nand_info(&mxm_8x10_nand_info);
}
#else
static inline void mxm_8x10_nand_init(void) {}
#endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */

/* Ethernet support: Davicom DM9000 */
static struct resource dm9k_resources[] = {
	[0] = {
	       .start = MXM_8X10_ETH_PHYS + 0x300,
	       .end = MXM_8X10_ETH_PHYS + 0x300,
	       .flags = IORESOURCE_MEM
	},
	[1] = {
	       .start = MXM_8X10_ETH_PHYS + 0x308,
	       .end = MXM_8X10_ETH_PHYS + 0x308,
	       .flags = IORESOURCE_MEM
	},
	[2] = {
	       .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO9)),
	       .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO9)),
	       .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
	}
};

static struct dm9000_plat_data dm9k_plat_data = {
	.flags = DM9000_PLATF_16BITONLY
};

static struct platform_device dm9k_device = {
	.name = "dm9000",
	.id = 0,
	.num_resources = ARRAY_SIZE(dm9k_resources),
	.resource = dm9k_resources,
	.dev = {
		.platform_data = &dm9k_plat_data
	}
};

static void __init mxm_8x10_ethernet_init(void)
{
	platform_device_register(&dm9k_device);
}

/* PXA UARTs */
static void __init mxm_8x10_uarts_init(void)
{
	pxa_set_ffuart_info(NULL);
	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);
}

/* I2C and Real Time Clock */
static struct i2c_board_info __initdata mxm_8x10_i2c_devices[] = {
	{
		I2C_BOARD_INFO("ds1337", 0x68)
	}
};

static void __init mxm_8x10_i2c_init(void)
{
	i2c_register_board_info(0, mxm_8x10_i2c_devices,
				ARRAY_SIZE(mxm_8x10_i2c_devices));
	pxa_set_i2c_info(NULL);
}

void __init mxm_8x10_barebones_init(void)
{
	pxa3xx_mfp_config(ARRAY_AND_SIZE(mfp_cfg));

	mxm_8x10_uarts_init();
	mxm_8x10_nand_init();
	mxm_8x10_i2c_init();
	mxm_8x10_ethernet_init();
}