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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/arch/arm/mach-pxa/lubbock.c
3 *
4 * Support for the Intel DBPXA250 Development Platform.
5 *
6 * Author: Nicolas Pitre
7 * Created: Jun 15, 2001
8 * Copyright: MontaVista Software Inc.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
Russell King2f8163b2011-07-26 10:53:52 +010014#include <linux/gpio.h>
Robert Jarzmikfc9e38c2014-12-14 23:04:14 +010015#include <linux/gpio/machine.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070016#include <linux/module.h>
17#include <linux/kernel.h>
18#include <linux/init.h>
Bryan Wu55f5d8e2012-03-14 02:07:58 +080019#include <linux/io.h>
Russell Kingd052d1b2005-10-29 19:07:23 +010020#include <linux/platform_device.h>
Rafael J. Wysocki2eaa03b2011-04-22 22:03:11 +020021#include <linux/syscore_ops.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070022#include <linux/major.h>
23#include <linux/fb.h>
24#include <linux/interrupt.h>
Todd Poynor74ec71e2005-11-04 17:15:45 +000025#include <linux/mtd/mtd.h>
26#include <linux/mtd/partitions.h>
Eric Miao3aed74c2008-06-24 15:51:02 +080027#include <linux/smc91x.h>
Bryan Wu55f5d8e2012-03-14 02:07:58 +080028#include <linux/slab.h>
29#include <linux/leds.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070030
David Brownell9df5db82006-06-18 16:39:33 +010031#include <linux/spi/spi.h>
32#include <linux/spi/ads7846.h>
Sebastian Andrzej Siewior8348c252010-11-22 17:12:15 -080033#include <linux/spi/pxa2xx_spi.h>
David Brownell9df5db82006-06-18 16:39:33 +010034
Linus Torvalds1da177e2005-04-16 15:20:36 -070035#include <asm/setup.h>
36#include <asm/memory.h>
37#include <asm/mach-types.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010038#include <mach/hardware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070039#include <asm/irq.h>
Todd Poynor74ec71e2005-11-04 17:15:45 +000040#include <asm/sizes.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070041
42#include <asm/mach/arch.h>
43#include <asm/mach/map.h>
44#include <asm/mach/irq.h>
Todd Poynor74ec71e2005-11-04 17:15:45 +000045#include <asm/mach/flash.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070046
47#include <asm/hardware/sa1111.h>
48
Eric Miao51c62982009-01-02 23:17:22 +080049#include <mach/pxa25x.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010050#include <mach/audio.h>
51#include <mach/lubbock.h>
52#include <mach/udc.h>
Arnd Bergmann293b2da2012-08-24 15:16:48 +020053#include <linux/platform_data/irda-pxaficp.h>
54#include <linux/platform_data/video-pxafb.h>
55#include <linux/platform_data/mmc-pxamci.h>
Eric Miao54386142009-01-19 18:43:12 +080056#include <mach/pm.h>
Marek Vasutad68bb92010-11-03 16:29:35 +010057#include <mach/smemc.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070058
59#include "generic.h"
Ian Moltonc1ed4062008-07-26 00:52:36 +010060#include "clock.h"
Russell King46c41e62007-05-15 15:39:36 +010061#include "devices.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070062
eric miao9b02b2d2008-02-13 08:52:38 +080063static unsigned long lubbock_pin_config[] __initdata = {
64 GPIO15_nCS_1, /* CS1 - Flash */
Eric Miao4a5c5ea2008-09-11 15:42:10 +080065 GPIO78_nCS_2, /* CS2 - Baseboard FGPA */
eric miao9b02b2d2008-02-13 08:52:38 +080066 GPIO79_nCS_3, /* CS3 - SMC ethernet */
Eric Miao4a5c5ea2008-09-11 15:42:10 +080067 GPIO80_nCS_4, /* CS4 - SA1111 */
eric miao9b02b2d2008-02-13 08:52:38 +080068
69 /* SSP data pins */
70 GPIO23_SSP1_SCLK,
71 GPIO25_SSP1_TXD,
72 GPIO26_SSP1_RXD,
73
Eric Miaoc11b6a42010-01-04 17:00:13 +080074 /* AC97 */
75 GPIO28_AC97_BITCLK,
76 GPIO29_AC97_SDATA_IN_0,
77 GPIO30_AC97_SDATA_OUT,
78 GPIO31_AC97_SYNC,
79
Eric Miao4a5c5ea2008-09-11 15:42:10 +080080 /* LCD - 16bpp DSTN */
Eric Miao07bae6c2010-01-04 11:25:10 +080081 GPIOxx_LCD_DSTN_16BPP,
Eric Miao4a5c5ea2008-09-11 15:42:10 +080082
eric miao9b02b2d2008-02-13 08:52:38 +080083 /* BTUART */
84 GPIO42_BTUART_RXD,
85 GPIO43_BTUART_TXD,
86 GPIO44_BTUART_CTS,
87 GPIO45_BTUART_RTS,
88
89 /* PC Card */
90 GPIO48_nPOE,
91 GPIO49_nPWE,
92 GPIO50_nPIOR,
93 GPIO51_nPIOW,
94 GPIO52_nPCE_1,
95 GPIO53_nPCE_2,
96 GPIO54_nPSKTSEL,
97 GPIO55_nPREG,
98 GPIO56_nPWAIT,
99 GPIO57_nIOIS16,
100
101 /* MMC */
102 GPIO6_MMC_CLK,
103 GPIO8_MMC_CS0,
104
105 /* wakeup */
106 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
107};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108
Eric Miao54386142009-01-19 18:43:12 +0800109#define LUB_HEXLED __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110#define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)
111
Eric Miao54386142009-01-19 18:43:12 +0800112void lubbock_set_hexled(uint32_t value)
113{
114 LUB_HEXLED = value;
115}
116
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
118{
119 unsigned long flags;
120
121 local_irq_save(flags);
122 LUB_MISC_WR = (LUB_MISC_WR & ~mask) | (set & mask);
123 local_irq_restore(flags);
124}
125EXPORT_SYMBOL(lubbock_set_misc_wr);
126
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127static int lubbock_udc_is_connected(void)
128{
129 return (LUB_MISC_RD & (1 << 9)) == 0;
130}
131
132static struct pxa2xx_udc_mach_info udc_info __initdata = {
133 .udc_is_connected = lubbock_udc_is_connected,
134 // no D+ pullup; lubbock can't connect/disconnect in software
135};
136
137static struct resource sa1111_resources[] = {
138 [0] = {
139 .start = 0x10000000,
140 .end = 0x10001fff,
141 .flags = IORESOURCE_MEM,
142 },
143 [1] = {
144 .start = LUBBOCK_SA1111_IRQ,
145 .end = LUBBOCK_SA1111_IRQ,
146 .flags = IORESOURCE_IRQ,
147 },
148};
149
Eric Miao19851c52009-12-26 16:23:02 +0800150static struct sa1111_platform_data sa1111_info = {
Haojian Zhuang6ac6b812010-08-20 15:23:59 +0800151 .irq_base = LUBBOCK_SA1111_IRQ_BASE,
Russell King07be45f2012-01-26 13:34:21 +0000152 .disable_devs = SA1111_DEVID_SAC,
Eric Miao19851c52009-12-26 16:23:02 +0800153};
154
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155static struct platform_device sa1111_device = {
156 .name = "sa1111",
157 .id = -1,
158 .num_resources = ARRAY_SIZE(sa1111_resources),
159 .resource = sa1111_resources,
Eric Miao19851c52009-12-26 16:23:02 +0800160 .dev = {
161 .platform_data = &sa1111_info,
162 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163};
164
David Brownell9df5db82006-06-18 16:39:33 +0100165/* ADS7846 is connected through SSP ... and if your board has J5 populated,
166 * you can select it to replace the ucb1400 by switching the touchscreen cable
167 * (to J5) and poking board registers (as done below). Else it's only useful
168 * for the temperature sensors.
169 */
David Brownell9df5db82006-06-18 16:39:33 +0100170static struct pxa2xx_spi_master pxa_ssp_master_info = {
Jonathan Cameron1f4de5a2008-08-04 14:41:27 +0100171 .num_chipselect = 1,
David Brownell9df5db82006-06-18 16:39:33 +0100172};
173
David Brownell9df5db82006-06-18 16:39:33 +0100174static int lubbock_ads7846_pendown_state(void)
175{
176 /* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */
177 return 0;
178}
179
180static struct ads7846_platform_data ads_info = {
181 .model = 7846,
182 .vref_delay_usecs = 100, /* internal, no cap */
183 .get_pendown_state = lubbock_ads7846_pendown_state,
184 // .x_plate_ohms = 500, /* GUESS! */
185 // .y_plate_ohms = 500, /* GUESS! */
186};
187
188static void ads7846_cs(u32 command)
189{
190 static const unsigned TS_nCS = 1 << 11;
191 lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS);
192}
193
194static struct pxa2xx_spi_chip ads_hw = {
195 .tx_threshold = 1,
196 .rx_threshold = 2,
197 .cs_control = ads7846_cs,
198};
199
200static struct spi_board_info spi_board_info[] __initdata = { {
201 .modalias = "ads7846",
202 .platform_data = &ads_info,
203 .controller_data = &ads_hw,
204 .irq = LUBBOCK_BB_IRQ,
205 .max_speed_hz = 120000 /* max sample rate at 3V */
206 * 26 /* command + data + overhead */,
207 .bus_num = 1,
208 .chip_select = 0,
209},
210};
211
Russell Kinge21e2d42008-04-13 17:38:55 +0100212static struct resource smc91x_resources[] = {
213 [0] = {
214 .name = "smc91x-regs",
215 .start = 0x0c000c00,
216 .end = 0x0c0fffff,
217 .flags = IORESOURCE_MEM,
218 },
219 [1] = {
220 .start = LUBBOCK_ETH_IRQ,
221 .end = LUBBOCK_ETH_IRQ,
222 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
223 },
224 [2] = {
225 .name = "smc91x-attrib",
226 .start = 0x0e000000,
227 .end = 0x0e0fffff,
228 .flags = IORESOURCE_MEM,
229 },
230};
231
Eric Miao3aed74c2008-06-24 15:51:02 +0800232static struct smc91x_platdata lubbock_smc91x_info = {
233 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_IO_SHIFT_2,
234};
235
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236static struct platform_device smc91x_device = {
237 .name = "smc91x",
238 .id = -1,
239 .num_resources = ARRAY_SIZE(smc91x_resources),
240 .resource = smc91x_resources,
Eric Miao3aed74c2008-06-24 15:51:02 +0800241 .dev = {
242 .platform_data = &lubbock_smc91x_info,
243 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700244};
245
Todd Poynor74ec71e2005-11-04 17:15:45 +0000246static struct resource flash_resources[] = {
247 [0] = {
248 .start = 0x00000000,
249 .end = SZ_64M - 1,
250 .flags = IORESOURCE_MEM,
251 },
252 [1] = {
253 .start = 0x04000000,
254 .end = 0x04000000 + SZ_64M - 1,
255 .flags = IORESOURCE_MEM,
256 },
257};
258
259static struct mtd_partition lubbock_partitions[] = {
260 {
261 .name = "Bootloader",
262 .size = 0x00040000,
263 .offset = 0,
264 .mask_flags = MTD_WRITEABLE /* force read-only */
265 },{
266 .name = "Kernel",
267 .size = 0x00100000,
268 .offset = 0x00040000,
269 },{
270 .name = "Filesystem",
271 .size = MTDPART_SIZ_FULL,
272 .offset = 0x00140000
273 }
274};
275
276static struct flash_platform_data lubbock_flash_data[2] = {
277 {
278 .map_name = "cfi_probe",
279 .parts = lubbock_partitions,
280 .nr_parts = ARRAY_SIZE(lubbock_partitions),
281 }, {
282 .map_name = "cfi_probe",
283 .parts = NULL,
284 .nr_parts = 0,
285 }
286};
287
288static struct platform_device lubbock_flash_device[2] = {
289 {
290 .name = "pxa2xx-flash",
291 .id = 0,
292 .dev = {
293 .platform_data = &lubbock_flash_data[0],
294 },
295 .resource = &flash_resources[0],
296 .num_resources = 1,
297 },
298 {
299 .name = "pxa2xx-flash",
300 .id = 1,
301 .dev = {
302 .platform_data = &lubbock_flash_data[1],
303 },
304 .resource = &flash_resources[1],
305 .num_resources = 1,
306 },
307};
308
Robert Jarzmikfc9e38c2014-12-14 23:04:14 +0100309static struct resource lubbock_cplds_resources[] = {
310 [0] = {
311 .start = LUBBOCK_FPGA_PHYS + 0xc0,
312 .end = LUBBOCK_FPGA_PHYS + 0xe0 - 1,
313 .flags = IORESOURCE_MEM,
314 },
315 [1] = {
316 .start = PXA_GPIO_TO_IRQ(0),
317 .end = PXA_GPIO_TO_IRQ(0),
318 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
319 },
320 [2] = {
321 .start = LUBBOCK_IRQ(0),
322 .end = LUBBOCK_IRQ(6),
323 .flags = IORESOURCE_IRQ,
324 },
325};
326
327static struct platform_device lubbock_cplds_device = {
328 .name = "pxa_cplds_irqs",
329 .id = -1,
330 .resource = &lubbock_cplds_resources[0],
331 .num_resources = 3,
332};
333
334
Linus Torvalds1da177e2005-04-16 15:20:36 -0700335static struct platform_device *devices[] __initdata = {
336 &sa1111_device,
337 &smc91x_device,
Todd Poynor74ec71e2005-11-04 17:15:45 +0000338 &lubbock_flash_device[0],
339 &lubbock_flash_device[1],
Robert Jarzmikfc9e38c2014-12-14 23:04:14 +0100340 &lubbock_cplds_device,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700341};
342
Richard Purdied14b2722006-09-20 22:54:21 +0100343static struct pxafb_mode_info sharp_lm8v31_mode = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700344 .pixclock = 270000,
345 .xres = 640,
346 .yres = 480,
347 .bpp = 16,
348 .hsync_len = 1,
349 .left_margin = 3,
350 .right_margin = 3,
351 .vsync_len = 1,
352 .upper_margin = 0,
353 .lower_margin = 0,
354 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
355 .cmap_greyscale = 0,
Richard Purdied14b2722006-09-20 22:54:21 +0100356};
357
358static struct pxafb_mach_info sharp_lm8v31 = {
359 .modes = &sharp_lm8v31_mode,
360 .num_modes = 1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700361 .cmap_inverse = 0,
362 .cmap_static = 0,
eric miao0454bd02008-04-30 00:52:23 -0700363 .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
Alexey Dobriyanffebabe2008-05-08 10:58:39 +0100364 LCD_AC_BIAS_FREQ(255),
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365};
366
David Brownell85eb2262005-11-01 19:44:30 +0000367#define MMC_POLL_RATE msecs_to_jiffies(1000)
368
369static void lubbock_mmc_poll(unsigned long);
David Howells40220c12006-10-09 12:19:47 +0100370static irq_handler_t mmc_detect_int;
David Brownell85eb2262005-11-01 19:44:30 +0000371
372static struct timer_list mmc_timer = {
373 .function = lubbock_mmc_poll,
374};
375
376static void lubbock_mmc_poll(unsigned long data)
377{
378 unsigned long flags;
379
380 /* clear any previous irq state, then ... */
381 local_irq_save(flags);
382 LUB_IRQ_SET_CLR &= ~(1 << 0);
383 local_irq_restore(flags);
384
385 /* poll until mmc/sd card is removed */
386 if (LUB_IRQ_SET_CLR & (1 << 0))
387 mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
388 else {
Russell King2326eb982006-10-15 13:48:37 +0100389 (void) mmc_detect_int(LUBBOCK_SD_IRQ, (void *)data);
David Brownell85eb2262005-11-01 19:44:30 +0000390 enable_irq(LUBBOCK_SD_IRQ);
391 }
392}
393
Linus Torvalds0cd61b62006-10-06 10:53:39 -0700394static irqreturn_t lubbock_detect_int(int irq, void *data)
David Brownell85eb2262005-11-01 19:44:30 +0000395{
396 /* IRQ is level triggered; disable, and poll for removal */
397 disable_irq(irq);
398 mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
399
Linus Torvalds0cd61b62006-10-06 10:53:39 -0700400 return mmc_detect_int(irq, data);
David Brownell85eb2262005-11-01 19:44:30 +0000401}
402
403static int lubbock_mci_init(struct device *dev,
David Howells40220c12006-10-09 12:19:47 +0100404 irq_handler_t detect_int,
David Brownell85eb2262005-11-01 19:44:30 +0000405 void *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700406{
David Brownell85eb2262005-11-01 19:44:30 +0000407 /* detect card insert/eject */
408 mmc_detect_int = detect_int;
409 init_timer(&mmc_timer);
410 mmc_timer.data = (unsigned long) data;
411 return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
Theodore Ts'o14673762012-07-17 14:05:52 -0400412 0, "lubbock-sd-detect", data);
David Brownell85eb2262005-11-01 19:44:30 +0000413}
414
415static int lubbock_mci_get_ro(struct device *dev)
416{
417 return (LUB_MISC_RD & (1 << 2)) != 0;
418}
419
420static void lubbock_mci_exit(struct device *dev, void *data)
421{
422 free_irq(LUBBOCK_SD_IRQ, data);
423 del_timer_sync(&mmc_timer);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700424}
425
426static struct pxamci_platform_data lubbock_mci_platform_data = {
Robert Jarzmik7a648252009-07-06 22:16:42 +0200427 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
Eric Miaof97cab22010-04-14 07:00:42 +0800428 .detect_delay_ms = 10,
Robert Jarzmik7a648252009-07-06 22:16:42 +0200429 .init = lubbock_mci_init,
430 .get_ro = lubbock_mci_get_ro,
431 .exit = lubbock_mci_exit,
432 .gpio_card_detect = -1,
433 .gpio_card_ro = -1,
434 .gpio_power = -1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700435};
436
Nicolas Pitre6f475c02005-10-28 16:39:33 +0100437static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
438{
439 unsigned long flags;
440
441 local_irq_save(flags);
442 if (mode & IR_SIRMODE) {
443 LUB_MISC_WR &= ~(1 << 4);
444 } else if (mode & IR_FIRMODE) {
445 LUB_MISC_WR |= 1 << 4;
446 }
Dmitry Baryshkov0fc3ff32008-07-02 13:54:46 +0100447 pxa2xx_transceiver_mode(dev, mode);
Nicolas Pitre6f475c02005-10-28 16:39:33 +0100448 local_irq_restore(flags);
449}
450
451static struct pxaficp_platform_data lubbock_ficp_platform_data = {
Marek Vasutc4bd0172009-07-17 12:50:43 +0200452 .gpio_pwdown = -1,
453 .transceiver_cap = IR_SIRMODE | IR_FIRMODE,
454 .transceiver_mode = lubbock_irda_transceiver_mode,
Nicolas Pitre6f475c02005-10-28 16:39:33 +0100455};
456
Linus Torvalds1da177e2005-04-16 15:20:36 -0700457static void __init lubbock_init(void)
458{
Todd Poynor74ec71e2005-11-04 17:15:45 +0000459 int flashboot = (LUB_CONF_SWITCHES & 1);
460
eric miao9b02b2d2008-02-13 08:52:38 +0800461 pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));
462
Russell Kingcc155c62009-11-09 13:34:08 +0800463 pxa_set_ffuart_info(NULL);
464 pxa_set_btuart_info(NULL);
465 pxa_set_stuart_info(NULL);
466
Ian Moltonc1ed4062008-07-26 00:52:36 +0100467 clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700468 pxa_set_udc_info(&udc_info);
Russell King - ARM Linux4321e1a2011-02-15 15:37:30 +0800469 pxa_set_fb_info(NULL, &sharp_lm8v31);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700470 pxa_set_mci_info(&lubbock_mci_platform_data);
Nicolas Pitre6f475c02005-10-28 16:39:33 +0100471 pxa_set_ficp_info(&lubbock_ficp_platform_data);
Mark Brown9f19d632008-06-10 12:30:05 +0100472 pxa_set_ac97_info(NULL);
Todd Poynor74ec71e2005-11-04 17:15:45 +0000473
474 lubbock_flash_data[0].width = lubbock_flash_data[1].width =
Marek Vasutad68bb92010-11-03 16:29:35 +0100475 (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
Todd Poynor74ec71e2005-11-04 17:15:45 +0000476 /* Compensate for the nROMBT switch which swaps the flash banks */
477 printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
478 flashboot?"Flash":"ROM", flashboot);
479
480 lubbock_flash_data[flashboot^1].name = "application-flash";
481 lubbock_flash_data[flashboot].name = "boot-rom";
Linus Torvalds1da177e2005-04-16 15:20:36 -0700482 (void) platform_add_devices(devices, ARRAY_SIZE(devices));
David Brownell9df5db82006-06-18 16:39:33 +0100483
Guennadi Liakhovetskie1722742008-06-13 09:17:31 +0100484 pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
David Brownell9df5db82006-06-18 16:39:33 +0100485 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700486}
487
488static struct map_desc lubbock_io_desc[] __initdata = {
Deepak Saxena6f9182e2005-10-28 15:19:01 +0100489 { /* CPLD */
490 .virtual = LUBBOCK_FPGA_VIRT,
491 .pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS),
492 .length = 0x00100000,
493 .type = MT_DEVICE
494 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700495};
496
497static void __init lubbock_map_io(void)
498{
Marek Vasut851982c2010-10-11 02:20:19 +0200499 pxa25x_map_io();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700500 iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));
501
Linus Torvalds1da177e2005-04-16 15:20:36 -0700502 PCFR |= PCFR_OPDE;
503}
504
Bryan Wu55f5d8e2012-03-14 02:07:58 +0800505/*
506 * Driver for the 8 discrete LEDs available for general use:
507 * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
508 * so be sure to not monkey with them here.
509 */
510
511#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
512struct lubbock_led {
513 struct led_classdev cdev;
514 u8 mask;
515};
516
517/*
518 * The triggers lines up below will only be used if the
519 * LED triggers are compiled in.
520 */
521static const struct {
522 const char *name;
523 const char *trigger;
524} lubbock_leds[] = {
525 { "lubbock:D28", "default-on", },
526 { "lubbock:D27", "cpu0", },
527 { "lubbock:D26", "heartbeat" },
528 { "lubbock:D25", },
529 { "lubbock:D24", },
530 { "lubbock:D23", },
531 { "lubbock:D22", },
532 { "lubbock:D21", },
533};
534
535static void lubbock_led_set(struct led_classdev *cdev,
536 enum led_brightness b)
537{
538 struct lubbock_led *led = container_of(cdev,
539 struct lubbock_led, cdev);
540 u32 reg = LUB_DISC_BLNK_LED;
541
542 if (b != LED_OFF)
543 reg |= led->mask;
544 else
545 reg &= ~led->mask;
546
547 LUB_DISC_BLNK_LED = reg;
548}
549
550static enum led_brightness lubbock_led_get(struct led_classdev *cdev)
551{
552 struct lubbock_led *led = container_of(cdev,
553 struct lubbock_led, cdev);
554 u32 reg = LUB_DISC_BLNK_LED;
555
556 return (reg & led->mask) ? LED_FULL : LED_OFF;
557}
558
559static int __init lubbock_leds_init(void)
560{
561 int i;
562
563 if (!machine_is_lubbock())
564 return -ENODEV;
565
566 /* All ON */
567 LUB_DISC_BLNK_LED |= 0xff;
568 for (i = 0; i < ARRAY_SIZE(lubbock_leds); i++) {
569 struct lubbock_led *led;
570
571 led = kzalloc(sizeof(*led), GFP_KERNEL);
572 if (!led)
573 break;
574
575 led->cdev.name = lubbock_leds[i].name;
576 led->cdev.brightness_set = lubbock_led_set;
577 led->cdev.brightness_get = lubbock_led_get;
578 led->cdev.default_trigger = lubbock_leds[i].trigger;
579 led->mask = BIT(i);
580
581 if (led_classdev_register(NULL, &led->cdev) < 0) {
582 kfree(led);
583 break;
584 }
585 }
586
587 return 0;
588}
589
590/*
591 * Since we may have triggers on any subsystem, defer registration
592 * until after subsystem_init.
593 */
594fs_initcall(lubbock_leds_init);
595#endif
596
Linus Torvalds1da177e2005-04-16 15:20:36 -0700597MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
Russell Kinge9dea0c2005-07-03 17:38:58 +0100598 /* Maintainer: MontaVista Software Inc. */
Russell Kinge9dea0c2005-07-03 17:38:58 +0100599 .map_io = lubbock_map_io,
Haojian Zhuang6ac6b812010-08-20 15:23:59 +0800600 .nr_irqs = LUBBOCK_NR_IRQS,
Robert Jarzmikfc9e38c2014-12-14 23:04:14 +0100601 .init_irq = pxa25x_init_irq,
Eric Miao8a97ae22011-05-18 21:30:04 +0800602 .handle_irq = pxa25x_handle_irq,
Stephen Warren6bb27d72012-11-08 12:40:59 -0700603 .init_time = pxa_timer_init,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100604 .init_machine = lubbock_init,
Russell King271a74f2011-11-04 14:15:53 +0000605 .restart = pxa_restart,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700606MACHINE_END