Commit | Line | Data |
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1da177e4 LT |
1 | /* |
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 | */ | |
2d34e507 | 14 | #include <linux/clkdev.h> |
2f8163ba | 15 | #include <linux/gpio.h> |
fc9e38c0 | 16 | #include <linux/gpio/machine.h> |
1da177e4 LT |
17 | #include <linux/module.h> |
18 | #include <linux/kernel.h> | |
19 | #include <linux/init.h> | |
55f5d8ec | 20 | #include <linux/io.h> |
d052d1be | 21 | #include <linux/platform_device.h> |
2eaa03b5 | 22 | #include <linux/syscore_ops.h> |
1da177e4 LT |
23 | #include <linux/major.h> |
24 | #include <linux/fb.h> | |
25 | #include <linux/interrupt.h> | |
74ec71e1 TP |
26 | #include <linux/mtd/mtd.h> |
27 | #include <linux/mtd/partitions.h> | |
3aed74cd | 28 | #include <linux/smc91x.h> |
55f5d8ec BW |
29 | #include <linux/slab.h> |
30 | #include <linux/leds.h> | |
1da177e4 | 31 | |
9df5db80 DB |
32 | #include <linux/spi/spi.h> |
33 | #include <linux/spi/ads7846.h> | |
8348c259 | 34 | #include <linux/spi/pxa2xx_spi.h> |
9df5db80 | 35 | |
1da177e4 LT |
36 | #include <asm/setup.h> |
37 | #include <asm/memory.h> | |
38 | #include <asm/mach-types.h> | |
a09e64fb | 39 | #include <mach/hardware.h> |
1da177e4 | 40 | #include <asm/irq.h> |
74ec71e1 | 41 | #include <asm/sizes.h> |
1da177e4 LT |
42 | |
43 | #include <asm/mach/arch.h> | |
44 | #include <asm/mach/map.h> | |
45 | #include <asm/mach/irq.h> | |
74ec71e1 | 46 | #include <asm/mach/flash.h> |
1da177e4 LT |
47 | |
48 | #include <asm/hardware/sa1111.h> | |
49 | ||
4c25c5d2 | 50 | #include "pxa25x.h" |
a09e64fb RK |
51 | #include <mach/audio.h> |
52 | #include <mach/lubbock.h> | |
4c25c5d2 | 53 | #include "udc.h" |
293b2da1 AB |
54 | #include <linux/platform_data/irda-pxaficp.h> |
55 | #include <linux/platform_data/video-pxafb.h> | |
56 | #include <linux/platform_data/mmc-pxamci.h> | |
4c25c5d2 | 57 | #include "pm.h" |
ad68bb9f | 58 | #include <mach/smemc.h> |
1da177e4 LT |
59 | |
60 | #include "generic.h" | |
46c41e62 | 61 | #include "devices.h" |
1da177e4 | 62 | |
9b02b2df | 63 | static unsigned long lubbock_pin_config[] __initdata = { |
64 | GPIO15_nCS_1, /* CS1 - Flash */ | |
4a5c5eab | 65 | GPIO78_nCS_2, /* CS2 - Baseboard FGPA */ |
9b02b2df | 66 | GPIO79_nCS_3, /* CS3 - SMC ethernet */ |
4a5c5eab | 67 | GPIO80_nCS_4, /* CS4 - SA1111 */ |
9b02b2df | 68 | |
69 | /* SSP data pins */ | |
70 | GPIO23_SSP1_SCLK, | |
71 | GPIO25_SSP1_TXD, | |
72 | GPIO26_SSP1_RXD, | |
73 | ||
c11b6a42 EM |
74 | /* AC97 */ |
75 | GPIO28_AC97_BITCLK, | |
76 | GPIO29_AC97_SDATA_IN_0, | |
77 | GPIO30_AC97_SDATA_OUT, | |
78 | GPIO31_AC97_SYNC, | |
79 | ||
4a5c5eab | 80 | /* LCD - 16bpp DSTN */ |
07bae6c3 | 81 | GPIOxx_LCD_DSTN_16BPP, |
4a5c5eab | 82 | |
9b02b2df | 83 | /* 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 | ||
70d64048 RJ |
105 | /* SA1111 chip */ |
106 | GPIO11_3_6MHz, | |
107 | ||
9b02b2df | 108 | /* wakeup */ |
109 | GPIO1_GPIO | WAKEUP_ON_EDGE_RISE, | |
110 | }; | |
1da177e4 | 111 | |
54386145 | 112 | #define LUB_HEXLED __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010) |
1da177e4 LT |
113 | #define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080) |
114 | ||
54386145 EM |
115 | void lubbock_set_hexled(uint32_t value) |
116 | { | |
117 | LUB_HEXLED = value; | |
118 | } | |
119 | ||
1da177e4 LT |
120 | void lubbock_set_misc_wr(unsigned int mask, unsigned int set) |
121 | { | |
122 | unsigned long flags; | |
123 | ||
124 | local_irq_save(flags); | |
125 | LUB_MISC_WR = (LUB_MISC_WR & ~mask) | (set & mask); | |
126 | local_irq_restore(flags); | |
127 | } | |
128 | EXPORT_SYMBOL(lubbock_set_misc_wr); | |
129 | ||
1da177e4 LT |
130 | static int lubbock_udc_is_connected(void) |
131 | { | |
132 | return (LUB_MISC_RD & (1 << 9)) == 0; | |
133 | } | |
134 | ||
135 | static struct pxa2xx_udc_mach_info udc_info __initdata = { | |
136 | .udc_is_connected = lubbock_udc_is_connected, | |
137 | // no D+ pullup; lubbock can't connect/disconnect in software | |
138 | }; | |
139 | ||
140 | static struct resource sa1111_resources[] = { | |
141 | [0] = { | |
142 | .start = 0x10000000, | |
143 | .end = 0x10001fff, | |
144 | .flags = IORESOURCE_MEM, | |
145 | }, | |
146 | [1] = { | |
147 | .start = LUBBOCK_SA1111_IRQ, | |
148 | .end = LUBBOCK_SA1111_IRQ, | |
149 | .flags = IORESOURCE_IRQ, | |
150 | }, | |
151 | }; | |
152 | ||
19851c58 | 153 | static struct sa1111_platform_data sa1111_info = { |
6ac6b817 | 154 | .irq_base = LUBBOCK_SA1111_IRQ_BASE, |
07be45f5 | 155 | .disable_devs = SA1111_DEVID_SAC, |
19851c58 EM |
156 | }; |
157 | ||
1da177e4 LT |
158 | static struct platform_device sa1111_device = { |
159 | .name = "sa1111", | |
160 | .id = -1, | |
161 | .num_resources = ARRAY_SIZE(sa1111_resources), | |
162 | .resource = sa1111_resources, | |
19851c58 EM |
163 | .dev = { |
164 | .platform_data = &sa1111_info, | |
165 | }, | |
1da177e4 LT |
166 | }; |
167 | ||
9df5db80 DB |
168 | /* ADS7846 is connected through SSP ... and if your board has J5 populated, |
169 | * you can select it to replace the ucb1400 by switching the touchscreen cable | |
170 | * (to J5) and poking board registers (as done below). Else it's only useful | |
171 | * for the temperature sensors. | |
172 | */ | |
9df5db80 | 173 | static struct pxa2xx_spi_master pxa_ssp_master_info = { |
1f4de5a0 | 174 | .num_chipselect = 1, |
9df5db80 DB |
175 | }; |
176 | ||
9df5db80 DB |
177 | static int lubbock_ads7846_pendown_state(void) |
178 | { | |
179 | /* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */ | |
180 | return 0; | |
181 | } | |
182 | ||
183 | static struct ads7846_platform_data ads_info = { | |
184 | .model = 7846, | |
185 | .vref_delay_usecs = 100, /* internal, no cap */ | |
186 | .get_pendown_state = lubbock_ads7846_pendown_state, | |
187 | // .x_plate_ohms = 500, /* GUESS! */ | |
188 | // .y_plate_ohms = 500, /* GUESS! */ | |
189 | }; | |
190 | ||
191 | static void ads7846_cs(u32 command) | |
192 | { | |
193 | static const unsigned TS_nCS = 1 << 11; | |
194 | lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS); | |
195 | } | |
196 | ||
197 | static struct pxa2xx_spi_chip ads_hw = { | |
198 | .tx_threshold = 1, | |
199 | .rx_threshold = 2, | |
200 | .cs_control = ads7846_cs, | |
201 | }; | |
202 | ||
203 | static struct spi_board_info spi_board_info[] __initdata = { { | |
204 | .modalias = "ads7846", | |
205 | .platform_data = &ads_info, | |
206 | .controller_data = &ads_hw, | |
207 | .irq = LUBBOCK_BB_IRQ, | |
208 | .max_speed_hz = 120000 /* max sample rate at 3V */ | |
209 | * 26 /* command + data + overhead */, | |
210 | .bus_num = 1, | |
211 | .chip_select = 0, | |
212 | }, | |
213 | }; | |
214 | ||
e21e2d46 RK |
215 | static struct resource smc91x_resources[] = { |
216 | [0] = { | |
217 | .name = "smc91x-regs", | |
218 | .start = 0x0c000c00, | |
219 | .end = 0x0c0fffff, | |
220 | .flags = IORESOURCE_MEM, | |
221 | }, | |
222 | [1] = { | |
223 | .start = LUBBOCK_ETH_IRQ, | |
224 | .end = LUBBOCK_ETH_IRQ, | |
225 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, | |
226 | }, | |
227 | [2] = { | |
228 | .name = "smc91x-attrib", | |
229 | .start = 0x0e000000, | |
230 | .end = 0x0e0fffff, | |
231 | .flags = IORESOURCE_MEM, | |
232 | }, | |
233 | }; | |
234 | ||
3aed74cd EM |
235 | static struct smc91x_platdata lubbock_smc91x_info = { |
236 | .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_IO_SHIFT_2, | |
237 | }; | |
238 | ||
1da177e4 LT |
239 | static struct platform_device smc91x_device = { |
240 | .name = "smc91x", | |
241 | .id = -1, | |
242 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
243 | .resource = smc91x_resources, | |
3aed74cd EM |
244 | .dev = { |
245 | .platform_data = &lubbock_smc91x_info, | |
246 | }, | |
1da177e4 LT |
247 | }; |
248 | ||
74ec71e1 TP |
249 | static struct resource flash_resources[] = { |
250 | [0] = { | |
251 | .start = 0x00000000, | |
252 | .end = SZ_64M - 1, | |
253 | .flags = IORESOURCE_MEM, | |
254 | }, | |
255 | [1] = { | |
256 | .start = 0x04000000, | |
257 | .end = 0x04000000 + SZ_64M - 1, | |
258 | .flags = IORESOURCE_MEM, | |
259 | }, | |
260 | }; | |
261 | ||
262 | static struct mtd_partition lubbock_partitions[] = { | |
263 | { | |
264 | .name = "Bootloader", | |
265 | .size = 0x00040000, | |
266 | .offset = 0, | |
267 | .mask_flags = MTD_WRITEABLE /* force read-only */ | |
268 | },{ | |
269 | .name = "Kernel", | |
270 | .size = 0x00100000, | |
271 | .offset = 0x00040000, | |
272 | },{ | |
273 | .name = "Filesystem", | |
274 | .size = MTDPART_SIZ_FULL, | |
275 | .offset = 0x00140000 | |
276 | } | |
277 | }; | |
278 | ||
279 | static struct flash_platform_data lubbock_flash_data[2] = { | |
280 | { | |
281 | .map_name = "cfi_probe", | |
282 | .parts = lubbock_partitions, | |
283 | .nr_parts = ARRAY_SIZE(lubbock_partitions), | |
284 | }, { | |
285 | .map_name = "cfi_probe", | |
286 | .parts = NULL, | |
287 | .nr_parts = 0, | |
288 | } | |
289 | }; | |
290 | ||
291 | static struct platform_device lubbock_flash_device[2] = { | |
292 | { | |
293 | .name = "pxa2xx-flash", | |
294 | .id = 0, | |
295 | .dev = { | |
296 | .platform_data = &lubbock_flash_data[0], | |
297 | }, | |
298 | .resource = &flash_resources[0], | |
299 | .num_resources = 1, | |
300 | }, | |
301 | { | |
302 | .name = "pxa2xx-flash", | |
303 | .id = 1, | |
304 | .dev = { | |
305 | .platform_data = &lubbock_flash_data[1], | |
306 | }, | |
307 | .resource = &flash_resources[1], | |
308 | .num_resources = 1, | |
309 | }, | |
310 | }; | |
311 | ||
fc9e38c0 RJ |
312 | static struct resource lubbock_cplds_resources[] = { |
313 | [0] = { | |
314 | .start = LUBBOCK_FPGA_PHYS + 0xc0, | |
315 | .end = LUBBOCK_FPGA_PHYS + 0xe0 - 1, | |
316 | .flags = IORESOURCE_MEM, | |
317 | }, | |
318 | [1] = { | |
319 | .start = PXA_GPIO_TO_IRQ(0), | |
320 | .end = PXA_GPIO_TO_IRQ(0), | |
321 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, | |
322 | }, | |
323 | [2] = { | |
324 | .start = LUBBOCK_IRQ(0), | |
325 | .end = LUBBOCK_IRQ(6), | |
326 | .flags = IORESOURCE_IRQ, | |
327 | }, | |
328 | }; | |
329 | ||
330 | static struct platform_device lubbock_cplds_device = { | |
331 | .name = "pxa_cplds_irqs", | |
332 | .id = -1, | |
333 | .resource = &lubbock_cplds_resources[0], | |
334 | .num_resources = 3, | |
335 | }; | |
336 | ||
337 | ||
1da177e4 LT |
338 | static struct platform_device *devices[] __initdata = { |
339 | &sa1111_device, | |
340 | &smc91x_device, | |
74ec71e1 TP |
341 | &lubbock_flash_device[0], |
342 | &lubbock_flash_device[1], | |
fc9e38c0 | 343 | &lubbock_cplds_device, |
1da177e4 LT |
344 | }; |
345 | ||
d14b272b | 346 | static struct pxafb_mode_info sharp_lm8v31_mode = { |
1da177e4 LT |
347 | .pixclock = 270000, |
348 | .xres = 640, | |
349 | .yres = 480, | |
350 | .bpp = 16, | |
351 | .hsync_len = 1, | |
352 | .left_margin = 3, | |
353 | .right_margin = 3, | |
354 | .vsync_len = 1, | |
355 | .upper_margin = 0, | |
356 | .lower_margin = 0, | |
357 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
358 | .cmap_greyscale = 0, | |
d14b272b RP |
359 | }; |
360 | ||
361 | static struct pxafb_mach_info sharp_lm8v31 = { | |
362 | .modes = &sharp_lm8v31_mode, | |
363 | .num_modes = 1, | |
1da177e4 LT |
364 | .cmap_inverse = 0, |
365 | .cmap_static = 0, | |
0454bd09 | 366 | .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL | |
ffebabe0 | 367 | LCD_AC_BIAS_FREQ(255), |
1da177e4 LT |
368 | }; |
369 | ||
85eb226c DB |
370 | #define MMC_POLL_RATE msecs_to_jiffies(1000) |
371 | ||
372 | static void lubbock_mmc_poll(unsigned long); | |
40220c1a | 373 | static irq_handler_t mmc_detect_int; |
85eb226c DB |
374 | |
375 | static struct timer_list mmc_timer = { | |
376 | .function = lubbock_mmc_poll, | |
377 | }; | |
378 | ||
379 | static void lubbock_mmc_poll(unsigned long data) | |
380 | { | |
381 | unsigned long flags; | |
382 | ||
383 | /* clear any previous irq state, then ... */ | |
384 | local_irq_save(flags); | |
385 | LUB_IRQ_SET_CLR &= ~(1 << 0); | |
386 | local_irq_restore(flags); | |
387 | ||
388 | /* poll until mmc/sd card is removed */ | |
389 | if (LUB_IRQ_SET_CLR & (1 << 0)) | |
390 | mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE); | |
391 | else { | |
2326eb98 | 392 | (void) mmc_detect_int(LUBBOCK_SD_IRQ, (void *)data); |
85eb226c DB |
393 | enable_irq(LUBBOCK_SD_IRQ); |
394 | } | |
395 | } | |
396 | ||
0cd61b68 | 397 | static irqreturn_t lubbock_detect_int(int irq, void *data) |
85eb226c DB |
398 | { |
399 | /* IRQ is level triggered; disable, and poll for removal */ | |
400 | disable_irq(irq); | |
401 | mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE); | |
402 | ||
0cd61b68 | 403 | return mmc_detect_int(irq, data); |
85eb226c DB |
404 | } |
405 | ||
406 | static int lubbock_mci_init(struct device *dev, | |
40220c1a | 407 | irq_handler_t detect_int, |
85eb226c | 408 | void *data) |
1da177e4 | 409 | { |
85eb226c DB |
410 | /* detect card insert/eject */ |
411 | mmc_detect_int = detect_int; | |
412 | init_timer(&mmc_timer); | |
413 | mmc_timer.data = (unsigned long) data; | |
414 | return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int, | |
14673764 | 415 | 0, "lubbock-sd-detect", data); |
85eb226c DB |
416 | } |
417 | ||
418 | static int lubbock_mci_get_ro(struct device *dev) | |
419 | { | |
420 | return (LUB_MISC_RD & (1 << 2)) != 0; | |
421 | } | |
422 | ||
423 | static void lubbock_mci_exit(struct device *dev, void *data) | |
424 | { | |
425 | free_irq(LUBBOCK_SD_IRQ, data); | |
426 | del_timer_sync(&mmc_timer); | |
1da177e4 LT |
427 | } |
428 | ||
429 | static struct pxamci_platform_data lubbock_mci_platform_data = { | |
7a648256 | 430 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
f97cab28 | 431 | .detect_delay_ms = 10, |
7a648256 RJ |
432 | .init = lubbock_mci_init, |
433 | .get_ro = lubbock_mci_get_ro, | |
434 | .exit = lubbock_mci_exit, | |
435 | .gpio_card_detect = -1, | |
436 | .gpio_card_ro = -1, | |
437 | .gpio_power = -1, | |
1da177e4 LT |
438 | }; |
439 | ||
6f475c01 NP |
440 | static void lubbock_irda_transceiver_mode(struct device *dev, int mode) |
441 | { | |
442 | unsigned long flags; | |
443 | ||
444 | local_irq_save(flags); | |
445 | if (mode & IR_SIRMODE) { | |
446 | LUB_MISC_WR &= ~(1 << 4); | |
447 | } else if (mode & IR_FIRMODE) { | |
448 | LUB_MISC_WR |= 1 << 4; | |
449 | } | |
0fc3ff31 | 450 | pxa2xx_transceiver_mode(dev, mode); |
6f475c01 NP |
451 | local_irq_restore(flags); |
452 | } | |
453 | ||
454 | static struct pxaficp_platform_data lubbock_ficp_platform_data = { | |
c4bd0172 MV |
455 | .gpio_pwdown = -1, |
456 | .transceiver_cap = IR_SIRMODE | IR_FIRMODE, | |
457 | .transceiver_mode = lubbock_irda_transceiver_mode, | |
6f475c01 NP |
458 | }; |
459 | ||
1da177e4 LT |
460 | static void __init lubbock_init(void) |
461 | { | |
74ec71e1 TP |
462 | int flashboot = (LUB_CONF_SWITCHES & 1); |
463 | ||
9b02b2df | 464 | pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config)); |
465 | ||
cc155c6f RK |
466 | pxa_set_ffuart_info(NULL); |
467 | pxa_set_btuart_info(NULL); | |
468 | pxa_set_stuart_info(NULL); | |
469 | ||
c1ed406c | 470 | clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL); |
1da177e4 | 471 | pxa_set_udc_info(&udc_info); |
4321e1a1 | 472 | pxa_set_fb_info(NULL, &sharp_lm8v31); |
1da177e4 | 473 | pxa_set_mci_info(&lubbock_mci_platform_data); |
6f475c01 | 474 | pxa_set_ficp_info(&lubbock_ficp_platform_data); |
9f19d638 | 475 | pxa_set_ac97_info(NULL); |
74ec71e1 TP |
476 | |
477 | lubbock_flash_data[0].width = lubbock_flash_data[1].width = | |
ad68bb9f | 478 | (__raw_readl(BOOT_DEF) & 1) ? 2 : 4; |
74ec71e1 TP |
479 | /* Compensate for the nROMBT switch which swaps the flash banks */ |
480 | printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n", | |
481 | flashboot?"Flash":"ROM", flashboot); | |
482 | ||
483 | lubbock_flash_data[flashboot^1].name = "application-flash"; | |
484 | lubbock_flash_data[flashboot].name = "boot-rom"; | |
1da177e4 | 485 | (void) platform_add_devices(devices, ARRAY_SIZE(devices)); |
9df5db80 | 486 | |
e172274c | 487 | pxa2xx_set_spi_info(1, &pxa_ssp_master_info); |
9df5db80 | 488 | spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); |
1da177e4 LT |
489 | } |
490 | ||
491 | static struct map_desc lubbock_io_desc[] __initdata = { | |
6f9182eb DS |
492 | { /* CPLD */ |
493 | .virtual = LUBBOCK_FPGA_VIRT, | |
494 | .pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS), | |
495 | .length = 0x00100000, | |
496 | .type = MT_DEVICE | |
497 | } | |
1da177e4 LT |
498 | }; |
499 | ||
500 | static void __init lubbock_map_io(void) | |
501 | { | |
851982c1 | 502 | pxa25x_map_io(); |
1da177e4 LT |
503 | iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc)); |
504 | ||
1da177e4 LT |
505 | PCFR |= PCFR_OPDE; |
506 | } | |
507 | ||
55f5d8ec BW |
508 | /* |
509 | * Driver for the 8 discrete LEDs available for general use: | |
510 | * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays | |
511 | * so be sure to not monkey with them here. | |
512 | */ | |
513 | ||
514 | #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS) | |
515 | struct lubbock_led { | |
516 | struct led_classdev cdev; | |
517 | u8 mask; | |
518 | }; | |
519 | ||
520 | /* | |
521 | * The triggers lines up below will only be used if the | |
522 | * LED triggers are compiled in. | |
523 | */ | |
524 | static const struct { | |
525 | const char *name; | |
526 | const char *trigger; | |
527 | } lubbock_leds[] = { | |
528 | { "lubbock:D28", "default-on", }, | |
529 | { "lubbock:D27", "cpu0", }, | |
530 | { "lubbock:D26", "heartbeat" }, | |
531 | { "lubbock:D25", }, | |
532 | { "lubbock:D24", }, | |
533 | { "lubbock:D23", }, | |
534 | { "lubbock:D22", }, | |
535 | { "lubbock:D21", }, | |
536 | }; | |
537 | ||
538 | static void lubbock_led_set(struct led_classdev *cdev, | |
539 | enum led_brightness b) | |
540 | { | |
541 | struct lubbock_led *led = container_of(cdev, | |
542 | struct lubbock_led, cdev); | |
543 | u32 reg = LUB_DISC_BLNK_LED; | |
544 | ||
545 | if (b != LED_OFF) | |
546 | reg |= led->mask; | |
547 | else | |
548 | reg &= ~led->mask; | |
549 | ||
550 | LUB_DISC_BLNK_LED = reg; | |
551 | } | |
552 | ||
553 | static enum led_brightness lubbock_led_get(struct led_classdev *cdev) | |
554 | { | |
555 | struct lubbock_led *led = container_of(cdev, | |
556 | struct lubbock_led, cdev); | |
557 | u32 reg = LUB_DISC_BLNK_LED; | |
558 | ||
559 | return (reg & led->mask) ? LED_FULL : LED_OFF; | |
560 | } | |
561 | ||
562 | static int __init lubbock_leds_init(void) | |
563 | { | |
564 | int i; | |
565 | ||
566 | if (!machine_is_lubbock()) | |
567 | return -ENODEV; | |
568 | ||
569 | /* All ON */ | |
570 | LUB_DISC_BLNK_LED |= 0xff; | |
571 | for (i = 0; i < ARRAY_SIZE(lubbock_leds); i++) { | |
572 | struct lubbock_led *led; | |
573 | ||
574 | led = kzalloc(sizeof(*led), GFP_KERNEL); | |
575 | if (!led) | |
576 | break; | |
577 | ||
578 | led->cdev.name = lubbock_leds[i].name; | |
579 | led->cdev.brightness_set = lubbock_led_set; | |
580 | led->cdev.brightness_get = lubbock_led_get; | |
581 | led->cdev.default_trigger = lubbock_leds[i].trigger; | |
582 | led->mask = BIT(i); | |
583 | ||
584 | if (led_classdev_register(NULL, &led->cdev) < 0) { | |
585 | kfree(led); | |
586 | break; | |
587 | } | |
588 | } | |
589 | ||
590 | return 0; | |
591 | } | |
592 | ||
593 | /* | |
594 | * Since we may have triggers on any subsystem, defer registration | |
595 | * until after subsystem_init. | |
596 | */ | |
597 | fs_initcall(lubbock_leds_init); | |
598 | #endif | |
599 | ||
1da177e4 | 600 | MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)") |
e9dea0c6 | 601 | /* Maintainer: MontaVista Software Inc. */ |
e9dea0c6 | 602 | .map_io = lubbock_map_io, |
6ac6b817 | 603 | .nr_irqs = LUBBOCK_NR_IRQS, |
fc9e38c0 | 604 | .init_irq = pxa25x_init_irq, |
8a97ae2f | 605 | .handle_irq = pxa25x_handle_irq, |
6bb27d73 | 606 | .init_time = pxa_timer_init, |
e9dea0c6 | 607 | .init_machine = lubbock_init, |
271a74fc | 608 | .restart = pxa_restart, |
1da177e4 | 609 | MACHINE_END |