Commit | Line | Data |
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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> | |
b459396e | 25 | #include <linux/i2c/pxa-i2c.h> |
1f3b536b | 26 | |
293b2da1 | 27 | #include <linux/platform_data/mtd-nand-pxa3xx.h> |
1f3b536b | 28 | |
293b2da1 AB |
29 | #include <linux/platform_data/video-pxafb.h> |
30 | #include <linux/platform_data/mmc-pxamci.h> | |
31 | #include <linux/platform_data/usb-ohci-pxa27x.h> | |
4c25c5d2 | 32 | #include "pxa320.h" |
1f3b536b | 33 | |
4c25c5d2 | 34 | #include "mxm8x10.h" |
1f3b536b EP |
35 | |
36 | #include "devices.h" | |
37 | #include "generic.h" | |
38 | ||
39 | /* GPIO pin definition | |
40 | ||
41 | External device stuff - Leave unconfigured for now... | |
42 | --------------------- | |
43 | GPIO0 - DREQ (External DMA Request) | |
44 | GPIO3 - nGCS2 (External Chip Select) Where is nGCS0; nGCS1; nGCS4; nGCS5 ? | |
45 | GPIO4 - nGCS3 | |
46 | GPIO15 - EXT_GPIO1 | |
47 | GPIO16 - EXT_GPIO2 | |
48 | GPIO17 - EXT_GPIO3 | |
49 | GPIO24 - EXT_GPIO4 | |
50 | GPIO25 - EXT_GPIO5 | |
51 | GPIO26 - EXT_GPIO6 | |
52 | GPIO27 - EXT_GPIO7 | |
53 | GPIO28 - EXT_GPIO8 | |
54 | GPIO29 - EXT_GPIO9 | |
55 | GPIO30 - EXT_GPIO10 | |
56 | GPIO31 - EXT_GPIO11 | |
57 | GPIO57 - EXT_GPIO12 | |
58 | GPIO74 - EXT_IRQ1 | |
59 | GPIO75 - EXT_IRQ2 | |
60 | GPIO76 - EXT_IRQ3 | |
61 | GPIO77 - EXT_IRQ4 | |
62 | GPIO78 - EXT_IRQ5 | |
63 | GPIO79 - EXT_IRQ6 | |
64 | GPIO80 - EXT_IRQ7 | |
65 | GPIO81 - EXT_IRQ8 | |
66 | GPIO87 - VCCIO_PWREN (External Device PWREN) | |
67 | ||
68 | Dallas 1-Wire - Leave unconfigured for now... | |
69 | ------------- | |
70 | GPIO0_2 - DS - 1Wire | |
71 | ||
72 | Ethernet | |
73 | -------- | |
74 | GPIO1 - DM9000 PWR | |
75 | GPIO9 - DM9K_nIRQ | |
76 | GPIO36 - DM9K_RESET | |
77 | ||
78 | Keypad - Leave unconfigured by for now... | |
79 | ------ | |
80 | GPIO1_2 - KP_DKIN0 | |
81 | GPIO5_2 - KP_MKOUT7 | |
82 | GPIO82 - KP_DKIN1 | |
83 | GPIO85 - KP_DKIN2 | |
84 | GPIO86 - KP_DKIN3 | |
85 | GPIO113 - KP_MKIN0 | |
86 | GPIO114 - KP_MKIN1 | |
87 | GPIO115 - KP_MKIN2 | |
88 | GPIO116 - KP_MKIN3 | |
89 | GPIO117 - KP_MKIN4 | |
90 | GPIO118 - KP_MKIN5 | |
91 | GPIO119 - KP_MKIN6 | |
92 | GPIO120 - KP_MKIN7 | |
93 | GPIO121 - KP_MKOUT0 | |
94 | GPIO122 - KP_MKOUT1 | |
95 | GPIO122 - KP_MKOUT2 | |
96 | GPIO123 - KP_MKOUT3 | |
97 | GPIO124 - KP_MKOUT4 | |
98 | GPIO125 - KP_MKOUT5 | |
99 | GPIO127 - KP_MKOUT6 | |
100 | ||
101 | Data Bus - Leave unconfigured for now... | |
102 | -------- | |
103 | GPIO2 - nWait (Data Bus) | |
104 | ||
105 | USB Device | |
106 | ---------- | |
107 | GPIO4_2 - USBD_PULLUP | |
108 | GPIO10 - UTM_CLK (USB Device UTM Clk) | |
109 | GPIO49 - USB 2.0 Device UTM_DATA0 | |
110 | GPIO50 - USB 2.0 Device UTM_DATA1 | |
111 | GPIO51 - USB 2.0 Device UTM_DATA2 | |
112 | GPIO52 - USB 2.0 Device UTM_DATA3 | |
113 | GPIO53 - USB 2.0 Device UTM_DATA4 | |
114 | GPIO54 - USB 2.0 Device UTM_DATA5 | |
115 | GPIO55 - USB 2.0 Device UTM_DATA6 | |
116 | GPIO56 - USB 2.0 Device UTM_DATA7 | |
117 | GPIO58 - UTM_RXVALID (USB 2.0 Device) | |
118 | GPIO59 - UTM_RXACTIVE (USB 2.0 Device) | |
119 | GPIO60 - UTM_RXERROR | |
120 | GPIO61 - UTM_OPMODE0 | |
121 | GPIO62 - UTM_OPMODE1 | |
122 | GPIO71 - USBD_INT (USB Device?) | |
123 | GPIO73 - UTM_TXREADY (USB 2.0 Device) | |
124 | GPIO83 - UTM_TXVALID (USB 2.0 Device) | |
125 | GPIO98 - UTM_RESET (USB 2.0 device) | |
126 | GPIO99 - UTM_XCVR_SELECT | |
127 | GPIO100 - UTM_TERM_SELECT | |
128 | GPIO101 - UTM_SUSPENDM_X | |
129 | GPIO102 - UTM_LINESTATE0 | |
130 | GPIO103 - UTM_LINESTATE1 | |
131 | ||
132 | Card-Bus Interface - Leave unconfigured for now... | |
133 | ------------------ | |
134 | GPIO5 - nPIOR (I/O space output enable) | |
135 | GPIO6 - nPIOW (I/O space write enable) | |
136 | GPIO7 - nIOS16 (Input from I/O space telling size of data bus) | |
137 | GPIO8 - nPWAIT (Input for inserting wait states) | |
138 | ||
139 | LCD | |
140 | --- | |
141 | GPIO6_2 - LDD0 | |
142 | GPIO7_2 - LDD1 | |
143 | GPIO8_2 - LDD2 | |
144 | GPIO9_2 - LDD3 | |
145 | GPIO11_2 - LDD5 | |
146 | GPIO12_2 - LDD6 | |
147 | GPIO13_2 - LDD7 | |
148 | GPIO14_2 - VSYNC | |
149 | GPIO15_2 - HSYNC | |
150 | GPIO16_2 - VCLK | |
151 | GPIO17_2 - HCLK | |
152 | GPIO18_2 - VDEN | |
153 | GPIO63 - LDD8 (CPU LCD) | |
154 | GPIO64 - LDD9 (CPU LCD) | |
155 | GPIO65 - LDD10 (CPU LCD) | |
156 | GPIO66 - LDD11 (CPU LCD) | |
157 | GPIO67 - LDD12 (CPU LCD) | |
158 | GPIO68 - LDD13 (CPU LCD) | |
159 | GPIO69 - LDD14 (CPU LCD) | |
160 | GPIO70 - LDD15 (CPU LCD) | |
161 | GPIO88 - VCCLCD_PWREN (LCD Panel PWREN) | |
162 | GPIO97 - BACKLIGHT_EN | |
163 | GPIO104 - LCD_PWREN | |
164 | ||
165 | PWM - Leave unconfigured for now... | |
166 | --- | |
167 | GPIO11 - PWM0 | |
168 | GPIO12 - PWM1 | |
169 | GPIO13 - PWM2 | |
170 | GPIO14 - PWM3 | |
171 | ||
172 | SD-CARD | |
173 | ------- | |
174 | GPIO18 - SDDATA0 | |
175 | GPIO19 - SDDATA1 | |
176 | GPIO20 - SDDATA2 | |
177 | GPIO21 - SDDATA3 | |
178 | GPIO22 - SDCLK | |
179 | GPIO23 - SDCMD | |
180 | GPIO72 - SD_WP | |
181 | GPIO84 - SD_nIRQ_CD (SD-Card) | |
182 | ||
183 | I2C | |
184 | --- | |
185 | GPIO32 - I2CSCL | |
186 | GPIO33 - I2CSDA | |
187 | ||
188 | AC97 | |
189 | ---- | |
190 | GPIO35 - AC97_SDATA_IN | |
191 | GPIO37 - AC97_SDATA_OUT | |
192 | GPIO38 - AC97_SYNC | |
193 | GPIO39 - AC97_BITCLK | |
194 | GPIO40 - AC97_nRESET | |
195 | ||
196 | UART1 | |
197 | ----- | |
198 | GPIO41 - UART_RXD1 | |
199 | GPIO42 - UART_TXD1 | |
200 | GPIO43 - UART_CTS1 | |
201 | GPIO44 - UART_DCD1 | |
202 | GPIO45 - UART_DSR1 | |
203 | GPIO46 - UART_nRI1 | |
204 | GPIO47 - UART_DTR1 | |
205 | GPIO48 - UART_RTS1 | |
206 | ||
207 | UART2 | |
208 | ----- | |
209 | GPIO109 - RTS2 | |
210 | GPIO110 - RXD2 | |
211 | GPIO111 - TXD2 | |
212 | GPIO112 - nCTS2 | |
213 | ||
214 | UART3 | |
215 | ----- | |
216 | GPIO105 - nCTS3 | |
217 | GPIO106 - nRTS3 | |
218 | GPIO107 - TXD3 | |
219 | GPIO108 - RXD3 | |
220 | ||
221 | SSP3 - Leave unconfigured for now... | |
222 | ---- | |
223 | GPIO89 - SSP3_CLK | |
224 | GPIO90 - SSP3_SFRM | |
225 | GPIO91 - SSP3_TXD | |
226 | GPIO92 - SSP3_RXD | |
227 | ||
228 | SSP4 | |
229 | GPIO93 - SSP4_CLK | |
230 | GPIO94 - SSP4_SFRM | |
231 | GPIO95 - SSP4_TXD | |
232 | GPIO96 - SSP4_RXD | |
233 | */ | |
234 | ||
235 | static 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) | |
326 | static 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 | ||
334 | void __init mxm_8x10_mmc_init(void) | |
335 | { | |
336 | pxa_set_mci_info(&mxm_8x10_mci_platform_data); | |
337 | } | |
338 | #endif | |
339 | ||
b595076a | 340 | /* USB Open Host Controller Interface */ |
1f3b536b EP |
341 | static struct pxaohci_platform_data mxm_8x10_ohci_platform_data = { |
342 | .port_mode = PMM_NPS_MODE, | |
343 | .flags = ENABLE_PORT_ALL | |
344 | }; | |
345 | ||
346 | void __init mxm_8x10_usb_host_init(void) | |
347 | { | |
348 | pxa_set_ohci_info(&mxm_8x10_ohci_platform_data); | |
349 | } | |
350 | ||
351 | /* AC97 Sound Support */ | |
352 | static struct platform_device mxm_8x10_ac97_device = { | |
353 | .name = "pxa2xx-ac97" | |
354 | }; | |
355 | ||
356 | void __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)) | |
365 | static 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 | ||
391 | static struct pxa3xx_nand_platform_data mxm_8x10_nand_info = { | |
f3c8cfc2 LW |
392 | .enable_arbiter = 1, |
393 | .keep_config = 1, | |
394 | .num_cs = 1, | |
395 | .parts[0] = mxm_8x10_nand_partitions, | |
396 | .nr_parts[0] = ARRAY_SIZE(mxm_8x10_nand_partitions) | |
1f3b536b EP |
397 | }; |
398 | ||
399 | static void __init mxm_8x10_nand_init(void) | |
400 | { | |
401 | pxa3xx_set_nand_info(&mxm_8x10_nand_info); | |
402 | } | |
403 | #else | |
404 | static inline void mxm_8x10_nand_init(void) {} | |
405 | #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */ | |
406 | ||
407 | /* Ethernet support: Davicom DM9000 */ | |
408 | static struct resource dm9k_resources[] = { | |
409 | [0] = { | |
410 | .start = MXM_8X10_ETH_PHYS + 0x300, | |
411 | .end = MXM_8X10_ETH_PHYS + 0x300, | |
412 | .flags = IORESOURCE_MEM | |
413 | }, | |
414 | [1] = { | |
415 | .start = MXM_8X10_ETH_PHYS + 0x308, | |
416 | .end = MXM_8X10_ETH_PHYS + 0x308, | |
417 | .flags = IORESOURCE_MEM | |
418 | }, | |
419 | [2] = { | |
4929f5a8 HZ |
420 | .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO9)), |
421 | .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO9)), | |
1f3b536b EP |
422 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
423 | } | |
424 | }; | |
425 | ||
426 | static struct dm9000_plat_data dm9k_plat_data = { | |
427 | .flags = DM9000_PLATF_16BITONLY | |
428 | }; | |
429 | ||
430 | static struct platform_device dm9k_device = { | |
431 | .name = "dm9000", | |
432 | .id = 0, | |
433 | .num_resources = ARRAY_SIZE(dm9k_resources), | |
434 | .resource = dm9k_resources, | |
435 | .dev = { | |
436 | .platform_data = &dm9k_plat_data | |
437 | } | |
438 | }; | |
439 | ||
440 | static void __init mxm_8x10_ethernet_init(void) | |
441 | { | |
442 | platform_device_register(&dm9k_device); | |
443 | } | |
444 | ||
445 | /* PXA UARTs */ | |
446 | static void __init mxm_8x10_uarts_init(void) | |
447 | { | |
448 | pxa_set_ffuart_info(NULL); | |
449 | pxa_set_btuart_info(NULL); | |
450 | pxa_set_stuart_info(NULL); | |
451 | } | |
452 | ||
453 | /* I2C and Real Time Clock */ | |
454 | static struct i2c_board_info __initdata mxm_8x10_i2c_devices[] = { | |
455 | { | |
456 | I2C_BOARD_INFO("ds1337", 0x68) | |
457 | } | |
458 | }; | |
459 | ||
460 | static void __init mxm_8x10_i2c_init(void) | |
461 | { | |
462 | i2c_register_board_info(0, mxm_8x10_i2c_devices, | |
463 | ARRAY_SIZE(mxm_8x10_i2c_devices)); | |
464 | pxa_set_i2c_info(NULL); | |
465 | } | |
466 | ||
467 | void __init mxm_8x10_barebones_init(void) | |
468 | { | |
469 | pxa3xx_mfp_config(ARRAY_AND_SIZE(mfp_cfg)); | |
470 | ||
471 | mxm_8x10_uarts_init(); | |
472 | mxm_8x10_nand_init(); | |
473 | mxm_8x10_i2c_init(); | |
474 | mxm_8x10_ethernet_init(); | |
475 | } |