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Merge branch 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic...
[linux-2.6-block.git] / arch / arm / mach-pxa / mxm8x10.c
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1f3b536b
EP		 1/*
2 * linux/arch/arm/mach-pxa/mxm8x10.c
3 *
4 * Support for the Embedian MXM-8x10 Computer on Module
5 *
6 * Copyright (C) 2006 Marvell International Ltd.
7 * Copyright (C) 2009 Embedian Inc.
8 * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
9 *
10 * 2007-09-04: eric miao <eric.y.miao@gmail.com>
11 * rewrite to align with latest kernel
12 *
13 * 2010-01-09: Edwin Peer <epeer@tmtservices.co.za>
14 * Hennie van der Merwe <hvdmerwe@tmtservices.co.za>
15 * rework for upstream merge
16 *
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License version 2 as
19 * published by the Free Software Foundation.
20 */
21
22#include <linux/serial_8250.h>
23#include <linux/dm9000.h>
24#include <linux/gpio.h>
25
26#include <plat/i2c.h>
27#include <plat/pxa3xx_nand.h>
28
29#include <mach/pxafb.h>
30#include <mach/mmc.h>
31#include <mach/ohci.h>
32#include <mach/pxa320.h>
33
34#include <mach/mxm8x10.h>
35
36#include "devices.h"
37#include "generic.h"
38
39/* GPIO pin definition
40
41External device stuff - Leave unconfigured for now...
42---------------------
43GPIO0 - DREQ (External DMA Request)
44GPIO3 - nGCS2 (External Chip Select) Where is nGCS0; nGCS1; nGCS4; nGCS5 ?
45GPIO4 - nGCS3
46GPIO15 - EXT_GPIO1
47GPIO16 - EXT_GPIO2
48GPIO17 - EXT_GPIO3
49GPIO24 - EXT_GPIO4
50GPIO25 - EXT_GPIO5
51GPIO26 - EXT_GPIO6
52GPIO27 - EXT_GPIO7
53GPIO28 - EXT_GPIO8
54GPIO29 - EXT_GPIO9
55GPIO30 - EXT_GPIO10
56GPIO31 - EXT_GPIO11
57GPIO57 - EXT_GPIO12
58GPIO74 - EXT_IRQ1
59GPIO75 - EXT_IRQ2
60GPIO76 - EXT_IRQ3
61GPIO77 - EXT_IRQ4
62GPIO78 - EXT_IRQ5
63GPIO79 - EXT_IRQ6
64GPIO80 - EXT_IRQ7
65GPIO81 - EXT_IRQ8
66GPIO87 - VCCIO_PWREN (External Device PWREN)
67
68Dallas 1-Wire - Leave unconfigured for now...
69-------------
70GPIO0_2 - DS - 1Wire
71
72Ethernet
73--------
74GPIO1 - DM9000 PWR
75GPIO9 - DM9K_nIRQ
76GPIO36 - DM9K_RESET
77
78Keypad - Leave unconfigured by for now...
79------
80GPIO1_2 - KP_DKIN0
81GPIO5_2 - KP_MKOUT7
82GPIO82 - KP_DKIN1
83GPIO85 - KP_DKIN2
84GPIO86 - KP_DKIN3
85GPIO113 - KP_MKIN0
86GPIO114 - KP_MKIN1
87GPIO115 - KP_MKIN2
88GPIO116 - KP_MKIN3
89GPIO117 - KP_MKIN4
90GPIO118 - KP_MKIN5
91GPIO119 - KP_MKIN6
92GPIO120 - KP_MKIN7
93GPIO121 - KP_MKOUT0
94GPIO122 - KP_MKOUT1
95GPIO122 - KP_MKOUT2
96GPIO123 - KP_MKOUT3
97GPIO124 - KP_MKOUT4
98GPIO125 - KP_MKOUT5
99GPIO127 - KP_MKOUT6
100
101Data Bus - Leave unconfigured for now...
102--------
103GPIO2 - nWait (Data Bus)
104
105USB Device
106----------
107GPIO4_2 - USBD_PULLUP
108GPIO10 - UTM_CLK (USB Device UTM Clk)
109GPIO49 - USB 2.0 Device UTM_DATA0
110GPIO50 - USB 2.0 Device UTM_DATA1
111GPIO51 - USB 2.0 Device UTM_DATA2
112GPIO52 - USB 2.0 Device UTM_DATA3
113GPIO53 - USB 2.0 Device UTM_DATA4
114GPIO54 - USB 2.0 Device UTM_DATA5
115GPIO55 - USB 2.0 Device UTM_DATA6
116GPIO56 - USB 2.0 Device UTM_DATA7
117GPIO58 - UTM_RXVALID (USB 2.0 Device)
118GPIO59 - UTM_RXACTIVE (USB 2.0 Device)
119GPIO60 - UTM_RXERROR
120GPIO61 - UTM_OPMODE0
121GPIO62 - UTM_OPMODE1
122GPIO71 - USBD_INT (USB Device?)
123GPIO73 - UTM_TXREADY (USB 2.0 Device)
124GPIO83 - UTM_TXVALID (USB 2.0 Device)
125GPIO98 - UTM_RESET (USB 2.0 device)
126GPIO99 - UTM_XCVR_SELECT
127GPIO100 - UTM_TERM_SELECT
128GPIO101 - UTM_SUSPENDM_X
129GPIO102 - UTM_LINESTATE0
130GPIO103 - UTM_LINESTATE1
131
132Card-Bus Interface - Leave unconfigured for now...
133------------------
134GPIO5 - nPIOR (I/O space output enable)
135GPIO6 - nPIOW (I/O space write enable)
136GPIO7 - nIOS16 (Input from I/O space telling size of data bus)
137GPIO8 - nPWAIT (Input for inserting wait states)
138
139LCD
140---
141GPIO6_2 - LDD0
142GPIO7_2 - LDD1
143GPIO8_2 - LDD2
144GPIO9_2 - LDD3
145GPIO11_2 - LDD5
146GPIO12_2 - LDD6
147GPIO13_2 - LDD7
148GPIO14_2 - VSYNC
149GPIO15_2 - HSYNC
150GPIO16_2 - VCLK
151GPIO17_2 - HCLK
152GPIO18_2 - VDEN
153GPIO63 - LDD8 (CPU LCD)
154GPIO64 - LDD9 (CPU LCD)
155GPIO65 - LDD10 (CPU LCD)
156GPIO66 - LDD11 (CPU LCD)
157GPIO67 - LDD12 (CPU LCD)
158GPIO68 - LDD13 (CPU LCD)
159GPIO69 - LDD14 (CPU LCD)
160GPIO70 - LDD15 (CPU LCD)
161GPIO88 - VCCLCD_PWREN (LCD Panel PWREN)
162GPIO97 - BACKLIGHT_EN
163GPIO104 - LCD_PWREN
164
165PWM - Leave unconfigured for now...
166---
167GPIO11 - PWM0
168GPIO12 - PWM1
169GPIO13 - PWM2
170GPIO14 - PWM3
171
172SD-CARD
173-------
174GPIO18 - SDDATA0
175GPIO19 - SDDATA1
176GPIO20 - SDDATA2
177GPIO21 - SDDATA3
178GPIO22 - SDCLK
179GPIO23 - SDCMD
180GPIO72 - SD_WP
181GPIO84 - SD_nIRQ_CD (SD-Card)
182
183I2C
184---
185GPIO32 - I2CSCL
186GPIO33 - I2CSDA
187
188AC97
189----
190GPIO35 - AC97_SDATA_IN
191GPIO37 - AC97_SDATA_OUT
192GPIO38 - AC97_SYNC
193GPIO39 - AC97_BITCLK
194GPIO40 - AC97_nRESET
195
196UART1
197-----
198GPIO41 - UART_RXD1
199GPIO42 - UART_TXD1
200GPIO43 - UART_CTS1
201GPIO44 - UART_DCD1
202GPIO45 - UART_DSR1
203GPIO46 - UART_nRI1
204GPIO47 - UART_DTR1
205GPIO48 - UART_RTS1
206
207UART2
208-----
209GPIO109 - RTS2
210GPIO110 - RXD2
211GPIO111 - TXD2
212GPIO112 - nCTS2
213
214UART3
215-----
216GPIO105 - nCTS3
217GPIO106 - nRTS3
218GPIO107 - TXD3
219GPIO108 - RXD3
220
221SSP3 - Leave unconfigured for now...
222----
223GPIO89 - SSP3_CLK
224GPIO90 - SSP3_SFRM
225GPIO91 - SSP3_TXD
226GPIO92 - SSP3_RXD
227
228SSP4
229GPIO93 - SSP4_CLK
230GPIO94 - SSP4_SFRM
231GPIO95 - SSP4_TXD
232GPIO96 - SSP4_RXD
233*/
234
235static mfp_cfg_t mfp_cfg[] __initdata = {
236 /* USB */
237 GPIO10_UTM_CLK,
238 GPIO49_U2D_PHYDATA_0,
239 GPIO50_U2D_PHYDATA_1,
240 GPIO51_U2D_PHYDATA_2,
241 GPIO52_U2D_PHYDATA_3,
242 GPIO53_U2D_PHYDATA_4,
243 GPIO54_U2D_PHYDATA_5,
244 GPIO55_U2D_PHYDATA_6,
245 GPIO56_U2D_PHYDATA_7,
246 GPIO58_UTM_RXVALID,
247 GPIO59_UTM_RXACTIVE,
248 GPIO60_U2D_RXERROR,
249 GPIO61_U2D_OPMODE0,
250 GPIO62_U2D_OPMODE1,
251 GPIO71_GPIO, /* USBD_INT */
252 GPIO73_UTM_TXREADY,
253 GPIO83_U2D_TXVALID,
254 GPIO98_U2D_RESET,
255 GPIO99_U2D_XCVR_SEL,
256 GPIO100_U2D_TERM_SEL,
257 GPIO101_U2D_SUSPEND,
258 GPIO102_UTM_LINESTATE_0,
259 GPIO103_UTM_LINESTATE_1,
260 GPIO4_2_GPIO | MFP_PULL_HIGH, /* UTM_PULLUP */
261
262 /* DM9000 */
263 GPIO1_GPIO,
264 GPIO9_GPIO,
265 GPIO36_GPIO,
266
267 /* AC97 */
268 GPIO35_AC97_SDATA_IN_0,
269 GPIO37_AC97_SDATA_OUT,
270 GPIO38_AC97_SYNC,
271 GPIO39_AC97_BITCLK,
272 GPIO40_AC97_nACRESET,
273
274 /* UARTS */
275 GPIO41_UART1_RXD,
276 GPIO42_UART1_TXD,
277 GPIO43_UART1_CTS,
278 GPIO44_UART1_DCD,
279 GPIO45_UART1_DSR,
280 GPIO46_UART1_RI,
281 GPIO47_UART1_DTR,
282 GPIO48_UART1_RTS,
283
284 GPIO109_UART2_RTS,
285 GPIO110_UART2_RXD,
286 GPIO111_UART2_TXD,
287 GPIO112_UART2_CTS,
288
289 GPIO105_UART3_CTS,
290 GPIO106_UART3_RTS,
291 GPIO107_UART3_TXD,
292 GPIO108_UART3_RXD,
293
294 GPIO78_GPIO,
295 GPIO79_GPIO,
296 GPIO80_GPIO,
297 GPIO81_GPIO,
298
299 /* I2C */
300 GPIO32_I2C_SCL,
301 GPIO33_I2C_SDA,
302
303 /* MMC */
304 GPIO18_MMC1_DAT0,
305 GPIO19_MMC1_DAT1,
306 GPIO20_MMC1_DAT2,
307 GPIO21_MMC1_DAT3,
308 GPIO22_MMC1_CLK,
309 GPIO23_MMC1_CMD,
310 GPIO72_GPIO | MFP_PULL_HIGH, /* Card Detect */
311 GPIO84_GPIO | MFP_PULL_LOW, /* Write Protect */
312
313 /* IRQ */
314 GPIO74_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ1 */
315 GPIO75_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ2 */
316 GPIO76_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ3 */
317 GPIO77_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ4 */
318 GPIO78_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ5 */
319 GPIO79_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ6 */
320 GPIO80_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ7 */
321 GPIO81_GPIO | MFP_LPM_EDGE_RISE /* EXT_IRQ8 */
322};
323
324/* MMC/MCI Support */
325#if defined(CONFIG_MMC)
326static struct pxamci_platform_data mxm_8x10_mci_platform_data = {
327 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
f97cab28 328 .detect_delay_ms = 10,
1f3b536b
EP		 329 .gpio_card_detect = MXM_8X10_SD_nCD,
330 .gpio_card_ro = MXM_8X10_SD_WP,
331 .gpio_power = -1
332};
333
334void __init mxm_8x10_mmc_init(void)
335{
336 pxa_set_mci_info(&mxm_8x10_mci_platform_data);
337}
338#endif
339
340/* USB Open Host Controler Interface */
341static struct pxaohci_platform_data mxm_8x10_ohci_platform_data = {
342 .port_mode = PMM_NPS_MODE,
343 .flags = ENABLE_PORT_ALL
344};
345
346void __init mxm_8x10_usb_host_init(void)
347{
348 pxa_set_ohci_info(&mxm_8x10_ohci_platform_data);
349}
350
351/* AC97 Sound Support */
352static struct platform_device mxm_8x10_ac97_device = {
353 .name = "pxa2xx-ac97"
354};
355
356void __init mxm_8x10_ac97_init(void)
357{
358 platform_device_register(&mxm_8x10_ac97_device);
359}
360
361/* NAND flash Support */
362#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
363#define NAND_BLOCK_SIZE SZ_128K
364#define NB(x) (NAND_BLOCK_SIZE * (x))
365static struct mtd_partition mxm_8x10_nand_partitions[] = {
366 [0] = {
367 .name = "boot",
368 .size = NB(0x002),
369 .offset = NB(0x000),
370 .mask_flags = MTD_WRITEABLE
371 },
372 [1] = {
373 .name = "kernel",
374 .size = NB(0x010),
375 .offset = NB(0x002),
376 .mask_flags = MTD_WRITEABLE
377 },
378 [2] = {
379 .name = "root",
380 .size = NB(0x36c),
381 .offset = NB(0x012)
382 },
383 [3] = {
384 .name = "bbt",
385 .size = NB(0x082),
386 .offset = NB(0x37e),
387 .mask_flags = MTD_WRITEABLE
388 }
389};
390
391static struct pxa3xx_nand_platform_data mxm_8x10_nand_info = {
392 .enable_arbiter = 1,
393 .keep_config = 1,
394 .parts = mxm_8x10_nand_partitions,
395 .nr_parts = ARRAY_SIZE(mxm_8x10_nand_partitions)
396};
397
398static void __init mxm_8x10_nand_init(void)
399{
400 pxa3xx_set_nand_info(&mxm_8x10_nand_info);
401}
402#else
403static inline void mxm_8x10_nand_init(void) {}
404#endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
405
406/* Ethernet support: Davicom DM9000 */
407static struct resource dm9k_resources[] = {
408 [0] = {
409 .start = MXM_8X10_ETH_PHYS + 0x300,
410 .end = MXM_8X10_ETH_PHYS + 0x300,
411 .flags = IORESOURCE_MEM
412 },
413 [1] = {
414 .start = MXM_8X10_ETH_PHYS + 0x308,
415 .end = MXM_8X10_ETH_PHYS + 0x308,
416 .flags = IORESOURCE_MEM
417 },
418 [2] = {
419 .start = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO9)),
420 .end = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO9)),
421 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
422 }
423};
424
425static struct dm9000_plat_data dm9k_plat_data = {
426 .flags = DM9000_PLATF_16BITONLY
427};
428
429static struct platform_device dm9k_device = {
430 .name = "dm9000",
431 .id = 0,
432 .num_resources = ARRAY_SIZE(dm9k_resources),
433 .resource = dm9k_resources,
434 .dev = {
435 .platform_data = &dm9k_plat_data
436 }
437};
438
439static void __init mxm_8x10_ethernet_init(void)
440{
441 platform_device_register(&dm9k_device);
442}
443
444/* PXA UARTs */
445static void __init mxm_8x10_uarts_init(void)
446{
447 pxa_set_ffuart_info(NULL);
448 pxa_set_btuart_info(NULL);
449 pxa_set_stuart_info(NULL);
450}
451
452/* I2C and Real Time Clock */
453static struct i2c_board_info __initdata mxm_8x10_i2c_devices[] = {
454 {
455 I2C_BOARD_INFO("ds1337", 0x68)
456 }
457};
458
459static void __init mxm_8x10_i2c_init(void)
460{
461 i2c_register_board_info(0, mxm_8x10_i2c_devices,
462 ARRAY_SIZE(mxm_8x10_i2c_devices));
463 pxa_set_i2c_info(NULL);
464}
465
466void __init mxm_8x10_barebones_init(void)
467{
468 pxa3xx_mfp_config(ARRAY_AND_SIZE(mfp_cfg));
469
470 mxm_8x10_uarts_init();
471 mxm_8x10_nand_init();
472 mxm_8x10_i2c_init();
473 mxm_8x10_ethernet_init();
474}
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