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Commit | Line | Data |
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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
1da177e4 LT |
2 | /* |
3 | * linux/arch/arm/mach-pxa/lubbock.c | |
4 | * | |
5 | * Support for the Intel DBPXA250 Development Platform. | |
6 | * | |
7 | * Author: Nicolas Pitre | |
8 | * Created: Jun 15, 2001 | |
9 | * Copyright: MontaVista Software Inc. | |
1da177e4 | 10 | */ |
2d34e507 | 11 | #include <linux/clkdev.h> |
2f8163ba | 12 | #include <linux/gpio.h> |
9c666384 | 13 | #include <linux/gpio/gpio-reg.h> |
fc9e38c0 | 14 | #include <linux/gpio/machine.h> |
1da177e4 LT |
15 | #include <linux/module.h> |
16 | #include <linux/kernel.h> | |
17 | #include <linux/init.h> | |
55f5d8ec | 18 | #include <linux/io.h> |
d052d1be | 19 | #include <linux/platform_device.h> |
2eaa03b5 | 20 | #include <linux/syscore_ops.h> |
1da177e4 LT |
21 | #include <linux/major.h> |
22 | #include <linux/fb.h> | |
23 | #include <linux/interrupt.h> | |
74ec71e1 TP |
24 | #include <linux/mtd/mtd.h> |
25 | #include <linux/mtd/partitions.h> | |
3aed74cd | 26 | #include <linux/smc91x.h> |
55f5d8ec BW |
27 | #include <linux/slab.h> |
28 | #include <linux/leds.h> | |
1da177e4 | 29 | |
9df5db80 DB |
30 | #include <linux/spi/spi.h> |
31 | #include <linux/spi/ads7846.h> | |
8348c259 | 32 | #include <linux/spi/pxa2xx_spi.h> |
9df5db80 | 33 | |
1da177e4 LT |
34 | #include <asm/setup.h> |
35 | #include <asm/memory.h> | |
36 | #include <asm/mach-types.h> | |
a09e64fb | 37 | #include <mach/hardware.h> |
1da177e4 | 38 | #include <asm/irq.h> |
87dfb311 | 39 | #include <linux/sizes.h> |
1da177e4 LT |
40 | |
41 | #include <asm/mach/arch.h> | |
42 | #include <asm/mach/map.h> | |
43 | #include <asm/mach/irq.h> | |
74ec71e1 | 44 | #include <asm/mach/flash.h> |
1da177e4 LT |
45 | |
46 | #include <asm/hardware/sa1111.h> | |
47 | ||
4c25c5d2 | 48 | #include "pxa25x.h" |
a09e64fb RK |
49 | #include <mach/audio.h> |
50 | #include <mach/lubbock.h> | |
4c25c5d2 | 51 | #include "udc.h" |
293b2da1 AB |
52 | #include <linux/platform_data/irda-pxaficp.h> |
53 | #include <linux/platform_data/video-pxafb.h> | |
54 | #include <linux/platform_data/mmc-pxamci.h> | |
4c25c5d2 | 55 | #include "pm.h" |
ad68bb9f | 56 | #include <mach/smemc.h> |
1da177e4 LT |
57 | |
58 | #include "generic.h" | |
46c41e62 | 59 | #include "devices.h" |
1da177e4 | 60 | |
9b02b2df | 61 | static unsigned long lubbock_pin_config[] __initdata = { |
62 | GPIO15_nCS_1, /* CS1 - Flash */ | |
4a5c5eab | 63 | GPIO78_nCS_2, /* CS2 - Baseboard FGPA */ |
9b02b2df | 64 | GPIO79_nCS_3, /* CS3 - SMC ethernet */ |
4a5c5eab | 65 | GPIO80_nCS_4, /* CS4 - SA1111 */ |
9b02b2df | 66 | |
67 | /* SSP data pins */ | |
68 | GPIO23_SSP1_SCLK, | |
69 | GPIO25_SSP1_TXD, | |
70 | GPIO26_SSP1_RXD, | |
71 | ||
c11b6a42 EM |
72 | /* AC97 */ |
73 | GPIO28_AC97_BITCLK, | |
74 | GPIO29_AC97_SDATA_IN_0, | |
75 | GPIO30_AC97_SDATA_OUT, | |
76 | GPIO31_AC97_SYNC, | |
77 | ||
4a5c5eab | 78 | /* LCD - 16bpp DSTN */ |
07bae6c3 | 79 | GPIOxx_LCD_DSTN_16BPP, |
4a5c5eab | 80 | |
9b02b2df | 81 | /* BTUART */ |
82 | GPIO42_BTUART_RXD, | |
83 | GPIO43_BTUART_TXD, | |
84 | GPIO44_BTUART_CTS, | |
85 | GPIO45_BTUART_RTS, | |
86 | ||
87 | /* PC Card */ | |
88 | GPIO48_nPOE, | |
89 | GPIO49_nPWE, | |
90 | GPIO50_nPIOR, | |
91 | GPIO51_nPIOW, | |
92 | GPIO52_nPCE_1, | |
93 | GPIO53_nPCE_2, | |
94 | GPIO54_nPSKTSEL, | |
95 | GPIO55_nPREG, | |
96 | GPIO56_nPWAIT, | |
97 | GPIO57_nIOIS16, | |
98 | ||
99 | /* MMC */ | |
100 | GPIO6_MMC_CLK, | |
101 | GPIO8_MMC_CS0, | |
102 | ||
70d64048 RJ |
103 | /* SA1111 chip */ |
104 | GPIO11_3_6MHz, | |
105 | ||
9b02b2df | 106 | /* wakeup */ |
107 | GPIO1_GPIO | WAKEUP_ON_EDGE_RISE, | |
108 | }; | |
1da177e4 | 109 | |
54386145 | 110 | #define LUB_HEXLED __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010) |
1da177e4 | 111 | |
54386145 EM |
112 | void lubbock_set_hexled(uint32_t value) |
113 | { | |
114 | LUB_HEXLED = value; | |
115 | } | |
116 | ||
9c666384 RK |
117 | static struct gpio_chip *lubbock_misc_wr_gc; |
118 | ||
f5a38c8e | 119 | static void lubbock_set_misc_wr(unsigned int mask, unsigned int set) |
1da177e4 | 120 | { |
9c666384 RK |
121 | unsigned long m = mask, v = set; |
122 | lubbock_misc_wr_gc->set_multiple(lubbock_misc_wr_gc, &m, &v); | |
1da177e4 | 123 | } |
1da177e4 | 124 | |
1da177e4 LT |
125 | static int lubbock_udc_is_connected(void) |
126 | { | |
127 | return (LUB_MISC_RD & (1 << 9)) == 0; | |
128 | } | |
129 | ||
130 | static struct pxa2xx_udc_mach_info udc_info __initdata = { | |
131 | .udc_is_connected = lubbock_udc_is_connected, | |
132 | // no D+ pullup; lubbock can't connect/disconnect in software | |
133 | }; | |
134 | ||
f1f05ee1 RK |
135 | /* GPIOs for SA1111 PCMCIA */ |
136 | static struct gpiod_lookup_table sa1111_pcmcia_gpio_table = { | |
137 | .dev_id = "1800", | |
138 | .table = { | |
139 | { "sa1111", 0, "a0vpp", GPIO_ACTIVE_HIGH }, | |
140 | { "sa1111", 1, "a1vpp", GPIO_ACTIVE_HIGH }, | |
141 | { "sa1111", 2, "a0vcc", GPIO_ACTIVE_HIGH }, | |
142 | { "sa1111", 3, "a1vcc", GPIO_ACTIVE_HIGH }, | |
143 | { "lubbock", 14, "b0vcc", GPIO_ACTIVE_HIGH }, | |
144 | { "lubbock", 15, "b1vcc", GPIO_ACTIVE_HIGH }, | |
145 | { }, | |
146 | }, | |
147 | }; | |
148 | ||
1a57c286 RK |
149 | static void lubbock_init_pcmcia(void) |
150 | { | |
151 | struct clk *clk; | |
152 | ||
f1f05ee1 RK |
153 | gpiod_add_lookup_table(&sa1111_pcmcia_gpio_table); |
154 | ||
1a57c286 RK |
155 | /* Add an alias for the SA1111 PCMCIA clock */ |
156 | clk = clk_get_sys("pxa2xx-pcmcia", NULL); | |
157 | if (!IS_ERR(clk)) { | |
158 | clkdev_create(clk, NULL, "1800"); | |
159 | clk_put(clk); | |
160 | } | |
161 | } | |
162 | ||
1da177e4 LT |
163 | static struct resource sa1111_resources[] = { |
164 | [0] = { | |
165 | .start = 0x10000000, | |
166 | .end = 0x10001fff, | |
167 | .flags = IORESOURCE_MEM, | |
168 | }, | |
169 | [1] = { | |
170 | .start = LUBBOCK_SA1111_IRQ, | |
171 | .end = LUBBOCK_SA1111_IRQ, | |
172 | .flags = IORESOURCE_IRQ, | |
173 | }, | |
174 | }; | |
175 | ||
19851c58 | 176 | static struct sa1111_platform_data sa1111_info = { |
6ac6b817 | 177 | .irq_base = LUBBOCK_SA1111_IRQ_BASE, |
07be45f5 | 178 | .disable_devs = SA1111_DEVID_SAC, |
19851c58 EM |
179 | }; |
180 | ||
1da177e4 LT |
181 | static struct platform_device sa1111_device = { |
182 | .name = "sa1111", | |
183 | .id = -1, | |
184 | .num_resources = ARRAY_SIZE(sa1111_resources), | |
185 | .resource = sa1111_resources, | |
19851c58 EM |
186 | .dev = { |
187 | .platform_data = &sa1111_info, | |
188 | }, | |
1da177e4 LT |
189 | }; |
190 | ||
9df5db80 DB |
191 | /* ADS7846 is connected through SSP ... and if your board has J5 populated, |
192 | * you can select it to replace the ucb1400 by switching the touchscreen cable | |
193 | * (to J5) and poking board registers (as done below). Else it's only useful | |
194 | * for the temperature sensors. | |
195 | */ | |
51eea52d | 196 | static struct pxa2xx_spi_controller pxa_ssp_master_info = { |
1f4de5a0 | 197 | .num_chipselect = 1, |
9df5db80 DB |
198 | }; |
199 | ||
9df5db80 DB |
200 | static int lubbock_ads7846_pendown_state(void) |
201 | { | |
202 | /* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */ | |
203 | return 0; | |
204 | } | |
205 | ||
206 | static struct ads7846_platform_data ads_info = { | |
207 | .model = 7846, | |
208 | .vref_delay_usecs = 100, /* internal, no cap */ | |
209 | .get_pendown_state = lubbock_ads7846_pendown_state, | |
210 | // .x_plate_ohms = 500, /* GUESS! */ | |
211 | // .y_plate_ohms = 500, /* GUESS! */ | |
212 | }; | |
213 | ||
214 | static void ads7846_cs(u32 command) | |
215 | { | |
216 | static const unsigned TS_nCS = 1 << 11; | |
217 | lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS); | |
218 | } | |
219 | ||
220 | static struct pxa2xx_spi_chip ads_hw = { | |
221 | .tx_threshold = 1, | |
222 | .rx_threshold = 2, | |
223 | .cs_control = ads7846_cs, | |
224 | }; | |
225 | ||
226 | static struct spi_board_info spi_board_info[] __initdata = { { | |
227 | .modalias = "ads7846", | |
228 | .platform_data = &ads_info, | |
229 | .controller_data = &ads_hw, | |
230 | .irq = LUBBOCK_BB_IRQ, | |
231 | .max_speed_hz = 120000 /* max sample rate at 3V */ | |
232 | * 26 /* command + data + overhead */, | |
233 | .bus_num = 1, | |
234 | .chip_select = 0, | |
235 | }, | |
236 | }; | |
237 | ||
e21e2d46 RK |
238 | static struct resource smc91x_resources[] = { |
239 | [0] = { | |
240 | .name = "smc91x-regs", | |
241 | .start = 0x0c000c00, | |
242 | .end = 0x0c0fffff, | |
243 | .flags = IORESOURCE_MEM, | |
244 | }, | |
245 | [1] = { | |
246 | .start = LUBBOCK_ETH_IRQ, | |
247 | .end = LUBBOCK_ETH_IRQ, | |
248 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, | |
249 | }, | |
250 | [2] = { | |
251 | .name = "smc91x-attrib", | |
252 | .start = 0x0e000000, | |
253 | .end = 0x0e0fffff, | |
254 | .flags = IORESOURCE_MEM, | |
255 | }, | |
256 | }; | |
257 | ||
3aed74cd EM |
258 | static struct smc91x_platdata lubbock_smc91x_info = { |
259 | .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_IO_SHIFT_2, | |
260 | }; | |
261 | ||
1da177e4 LT |
262 | static struct platform_device smc91x_device = { |
263 | .name = "smc91x", | |
264 | .id = -1, | |
265 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
266 | .resource = smc91x_resources, | |
3aed74cd EM |
267 | .dev = { |
268 | .platform_data = &lubbock_smc91x_info, | |
269 | }, | |
1da177e4 LT |
270 | }; |
271 | ||
74ec71e1 TP |
272 | static struct resource flash_resources[] = { |
273 | [0] = { | |
274 | .start = 0x00000000, | |
275 | .end = SZ_64M - 1, | |
276 | .flags = IORESOURCE_MEM, | |
277 | }, | |
278 | [1] = { | |
279 | .start = 0x04000000, | |
280 | .end = 0x04000000 + SZ_64M - 1, | |
281 | .flags = IORESOURCE_MEM, | |
282 | }, | |
283 | }; | |
284 | ||
285 | static struct mtd_partition lubbock_partitions[] = { | |
286 | { | |
287 | .name = "Bootloader", | |
288 | .size = 0x00040000, | |
289 | .offset = 0, | |
290 | .mask_flags = MTD_WRITEABLE /* force read-only */ | |
291 | },{ | |
292 | .name = "Kernel", | |
293 | .size = 0x00100000, | |
294 | .offset = 0x00040000, | |
295 | },{ | |
296 | .name = "Filesystem", | |
297 | .size = MTDPART_SIZ_FULL, | |
298 | .offset = 0x00140000 | |
299 | } | |
300 | }; | |
301 | ||
302 | static struct flash_platform_data lubbock_flash_data[2] = { | |
303 | { | |
304 | .map_name = "cfi_probe", | |
305 | .parts = lubbock_partitions, | |
306 | .nr_parts = ARRAY_SIZE(lubbock_partitions), | |
307 | }, { | |
308 | .map_name = "cfi_probe", | |
309 | .parts = NULL, | |
310 | .nr_parts = 0, | |
311 | } | |
312 | }; | |
313 | ||
314 | static struct platform_device lubbock_flash_device[2] = { | |
315 | { | |
316 | .name = "pxa2xx-flash", | |
317 | .id = 0, | |
318 | .dev = { | |
319 | .platform_data = &lubbock_flash_data[0], | |
320 | }, | |
321 | .resource = &flash_resources[0], | |
322 | .num_resources = 1, | |
323 | }, | |
324 | { | |
325 | .name = "pxa2xx-flash", | |
326 | .id = 1, | |
327 | .dev = { | |
328 | .platform_data = &lubbock_flash_data[1], | |
329 | }, | |
330 | .resource = &flash_resources[1], | |
331 | .num_resources = 1, | |
332 | }, | |
333 | }; | |
334 | ||
fc9e38c0 RJ |
335 | static struct resource lubbock_cplds_resources[] = { |
336 | [0] = { | |
337 | .start = LUBBOCK_FPGA_PHYS + 0xc0, | |
338 | .end = LUBBOCK_FPGA_PHYS + 0xe0 - 1, | |
339 | .flags = IORESOURCE_MEM, | |
340 | }, | |
341 | [1] = { | |
342 | .start = PXA_GPIO_TO_IRQ(0), | |
343 | .end = PXA_GPIO_TO_IRQ(0), | |
344 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, | |
345 | }, | |
346 | [2] = { | |
347 | .start = LUBBOCK_IRQ(0), | |
348 | .end = LUBBOCK_IRQ(6), | |
349 | .flags = IORESOURCE_IRQ, | |
350 | }, | |
351 | }; | |
352 | ||
353 | static struct platform_device lubbock_cplds_device = { | |
354 | .name = "pxa_cplds_irqs", | |
355 | .id = -1, | |
356 | .resource = &lubbock_cplds_resources[0], | |
357 | .num_resources = 3, | |
358 | }; | |
359 | ||
360 | ||
1da177e4 LT |
361 | static struct platform_device *devices[] __initdata = { |
362 | &sa1111_device, | |
363 | &smc91x_device, | |
74ec71e1 TP |
364 | &lubbock_flash_device[0], |
365 | &lubbock_flash_device[1], | |
fc9e38c0 | 366 | &lubbock_cplds_device, |
1da177e4 LT |
367 | }; |
368 | ||
d14b272b | 369 | static struct pxafb_mode_info sharp_lm8v31_mode = { |
1da177e4 LT |
370 | .pixclock = 270000, |
371 | .xres = 640, | |
372 | .yres = 480, | |
373 | .bpp = 16, | |
374 | .hsync_len = 1, | |
375 | .left_margin = 3, | |
376 | .right_margin = 3, | |
377 | .vsync_len = 1, | |
378 | .upper_margin = 0, | |
379 | .lower_margin = 0, | |
380 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
381 | .cmap_greyscale = 0, | |
d14b272b RP |
382 | }; |
383 | ||
384 | static struct pxafb_mach_info sharp_lm8v31 = { | |
385 | .modes = &sharp_lm8v31_mode, | |
386 | .num_modes = 1, | |
1da177e4 LT |
387 | .cmap_inverse = 0, |
388 | .cmap_static = 0, | |
0454bd09 | 389 | .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL | |
ffebabe0 | 390 | LCD_AC_BIAS_FREQ(255), |
1da177e4 LT |
391 | }; |
392 | ||
85eb226c DB |
393 | #define MMC_POLL_RATE msecs_to_jiffies(1000) |
394 | ||
40220c1a | 395 | static irq_handler_t mmc_detect_int; |
96d13082 KC |
396 | static void *mmc_detect_int_data; |
397 | static struct timer_list mmc_timer; | |
85eb226c | 398 | |
96d13082 | 399 | static void lubbock_mmc_poll(struct timer_list *unused) |
85eb226c DB |
400 | { |
401 | unsigned long flags; | |
402 | ||
403 | /* clear any previous irq state, then ... */ | |
404 | local_irq_save(flags); | |
405 | LUB_IRQ_SET_CLR &= ~(1 << 0); | |
406 | local_irq_restore(flags); | |
407 | ||
408 | /* poll until mmc/sd card is removed */ | |
409 | if (LUB_IRQ_SET_CLR & (1 << 0)) | |
410 | mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE); | |
411 | else { | |
96d13082 | 412 | (void) mmc_detect_int(LUBBOCK_SD_IRQ, mmc_detect_int_data); |
85eb226c DB |
413 | enable_irq(LUBBOCK_SD_IRQ); |
414 | } | |
415 | } | |
416 | ||
0cd61b68 | 417 | static irqreturn_t lubbock_detect_int(int irq, void *data) |
85eb226c DB |
418 | { |
419 | /* IRQ is level triggered; disable, and poll for removal */ | |
420 | disable_irq(irq); | |
421 | mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE); | |
422 | ||
0cd61b68 | 423 | return mmc_detect_int(irq, data); |
85eb226c DB |
424 | } |
425 | ||
426 | static int lubbock_mci_init(struct device *dev, | |
40220c1a | 427 | irq_handler_t detect_int, |
85eb226c | 428 | void *data) |
1da177e4 | 429 | { |
85eb226c DB |
430 | /* detect card insert/eject */ |
431 | mmc_detect_int = detect_int; | |
96d13082 KC |
432 | mmc_detect_int_data = data; |
433 | timer_setup(&mmc_timer, lubbock_mmc_poll, 0); | |
85eb226c | 434 | return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int, |
14673764 | 435 | 0, "lubbock-sd-detect", data); |
85eb226c DB |
436 | } |
437 | ||
438 | static int lubbock_mci_get_ro(struct device *dev) | |
439 | { | |
440 | return (LUB_MISC_RD & (1 << 2)) != 0; | |
441 | } | |
442 | ||
443 | static void lubbock_mci_exit(struct device *dev, void *data) | |
444 | { | |
445 | free_irq(LUBBOCK_SD_IRQ, data); | |
446 | del_timer_sync(&mmc_timer); | |
1da177e4 LT |
447 | } |
448 | ||
449 | static struct pxamci_platform_data lubbock_mci_platform_data = { | |
7a648256 | 450 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
f97cab28 | 451 | .detect_delay_ms = 10, |
7a648256 RJ |
452 | .init = lubbock_mci_init, |
453 | .get_ro = lubbock_mci_get_ro, | |
454 | .exit = lubbock_mci_exit, | |
1da177e4 LT |
455 | }; |
456 | ||
6f475c01 NP |
457 | static void lubbock_irda_transceiver_mode(struct device *dev, int mode) |
458 | { | |
459 | unsigned long flags; | |
460 | ||
461 | local_irq_save(flags); | |
462 | if (mode & IR_SIRMODE) { | |
9c666384 | 463 | lubbock_set_misc_wr(BIT(4), 0); |
6f475c01 | 464 | } else if (mode & IR_FIRMODE) { |
9c666384 | 465 | lubbock_set_misc_wr(BIT(4), BIT(4)); |
6f475c01 | 466 | } |
0fc3ff31 | 467 | pxa2xx_transceiver_mode(dev, mode); |
6f475c01 NP |
468 | local_irq_restore(flags); |
469 | } | |
470 | ||
471 | static struct pxaficp_platform_data lubbock_ficp_platform_data = { | |
c4bd0172 MV |
472 | .gpio_pwdown = -1, |
473 | .transceiver_cap = IR_SIRMODE | IR_FIRMODE, | |
474 | .transceiver_mode = lubbock_irda_transceiver_mode, | |
6f475c01 NP |
475 | }; |
476 | ||
1da177e4 LT |
477 | static void __init lubbock_init(void) |
478 | { | |
74ec71e1 TP |
479 | int flashboot = (LUB_CONF_SWITCHES & 1); |
480 | ||
9b02b2df | 481 | pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config)); |
482 | ||
9c666384 RK |
483 | lubbock_misc_wr_gc = gpio_reg_init(NULL, (void *)&LUB_MISC_WR, |
484 | -1, 16, "lubbock", 0, LUB_MISC_WR, | |
485 | NULL, NULL, NULL); | |
486 | if (IS_ERR(lubbock_misc_wr_gc)) { | |
487 | pr_err("Lubbock: unable to register lubbock GPIOs: %ld\n", | |
488 | PTR_ERR(lubbock_misc_wr_gc)); | |
489 | lubbock_misc_wr_gc = NULL; | |
490 | } | |
491 | ||
cc155c6f RK |
492 | pxa_set_ffuart_info(NULL); |
493 | pxa_set_btuart_info(NULL); | |
494 | pxa_set_stuart_info(NULL); | |
495 | ||
1a57c286 RK |
496 | lubbock_init_pcmcia(); |
497 | ||
c1ed406c | 498 | clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL); |
1da177e4 | 499 | pxa_set_udc_info(&udc_info); |
4321e1a1 | 500 | pxa_set_fb_info(NULL, &sharp_lm8v31); |
1da177e4 | 501 | pxa_set_mci_info(&lubbock_mci_platform_data); |
6f475c01 | 502 | pxa_set_ficp_info(&lubbock_ficp_platform_data); |
9f19d638 | 503 | pxa_set_ac97_info(NULL); |
74ec71e1 TP |
504 | |
505 | lubbock_flash_data[0].width = lubbock_flash_data[1].width = | |
ad68bb9f | 506 | (__raw_readl(BOOT_DEF) & 1) ? 2 : 4; |
74ec71e1 TP |
507 | /* Compensate for the nROMBT switch which swaps the flash banks */ |
508 | printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n", | |
509 | flashboot?"Flash":"ROM", flashboot); | |
510 | ||
511 | lubbock_flash_data[flashboot^1].name = "application-flash"; | |
512 | lubbock_flash_data[flashboot].name = "boot-rom"; | |
1da177e4 | 513 | (void) platform_add_devices(devices, ARRAY_SIZE(devices)); |
9df5db80 | 514 | |
e172274c | 515 | pxa2xx_set_spi_info(1, &pxa_ssp_master_info); |
9df5db80 | 516 | spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); |
1da177e4 LT |
517 | } |
518 | ||
519 | static struct map_desc lubbock_io_desc[] __initdata = { | |
6f9182eb DS |
520 | { /* CPLD */ |
521 | .virtual = LUBBOCK_FPGA_VIRT, | |
522 | .pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS), | |
523 | .length = 0x00100000, | |
524 | .type = MT_DEVICE | |
525 | } | |
1da177e4 LT |
526 | }; |
527 | ||
528 | static void __init lubbock_map_io(void) | |
529 | { | |
851982c1 | 530 | pxa25x_map_io(); |
1da177e4 LT |
531 | iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc)); |
532 | ||
1da177e4 LT |
533 | PCFR |= PCFR_OPDE; |
534 | } | |
535 | ||
55f5d8ec BW |
536 | /* |
537 | * Driver for the 8 discrete LEDs available for general use: | |
538 | * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays | |
539 | * so be sure to not monkey with them here. | |
540 | */ | |
541 | ||
542 | #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS) | |
543 | struct lubbock_led { | |
544 | struct led_classdev cdev; | |
545 | u8 mask; | |
546 | }; | |
547 | ||
548 | /* | |
549 | * The triggers lines up below will only be used if the | |
550 | * LED triggers are compiled in. | |
551 | */ | |
552 | static const struct { | |
553 | const char *name; | |
554 | const char *trigger; | |
555 | } lubbock_leds[] = { | |
556 | { "lubbock:D28", "default-on", }, | |
557 | { "lubbock:D27", "cpu0", }, | |
558 | { "lubbock:D26", "heartbeat" }, | |
559 | { "lubbock:D25", }, | |
560 | { "lubbock:D24", }, | |
561 | { "lubbock:D23", }, | |
562 | { "lubbock:D22", }, | |
563 | { "lubbock:D21", }, | |
564 | }; | |
565 | ||
566 | static void lubbock_led_set(struct led_classdev *cdev, | |
567 | enum led_brightness b) | |
568 | { | |
569 | struct lubbock_led *led = container_of(cdev, | |
570 | struct lubbock_led, cdev); | |
571 | u32 reg = LUB_DISC_BLNK_LED; | |
572 | ||
573 | if (b != LED_OFF) | |
574 | reg |= led->mask; | |
575 | else | |
576 | reg &= ~led->mask; | |
577 | ||
578 | LUB_DISC_BLNK_LED = reg; | |
579 | } | |
580 | ||
581 | static enum led_brightness lubbock_led_get(struct led_classdev *cdev) | |
582 | { | |
583 | struct lubbock_led *led = container_of(cdev, | |
584 | struct lubbock_led, cdev); | |
585 | u32 reg = LUB_DISC_BLNK_LED; | |
586 | ||
587 | return (reg & led->mask) ? LED_FULL : LED_OFF; | |
588 | } | |
589 | ||
590 | static int __init lubbock_leds_init(void) | |
591 | { | |
592 | int i; | |
593 | ||
594 | if (!machine_is_lubbock()) | |
595 | return -ENODEV; | |
596 | ||
597 | /* All ON */ | |
598 | LUB_DISC_BLNK_LED |= 0xff; | |
599 | for (i = 0; i < ARRAY_SIZE(lubbock_leds); i++) { | |
600 | struct lubbock_led *led; | |
601 | ||
602 | led = kzalloc(sizeof(*led), GFP_KERNEL); | |
603 | if (!led) | |
604 | break; | |
605 | ||
606 | led->cdev.name = lubbock_leds[i].name; | |
607 | led->cdev.brightness_set = lubbock_led_set; | |
608 | led->cdev.brightness_get = lubbock_led_get; | |
609 | led->cdev.default_trigger = lubbock_leds[i].trigger; | |
610 | led->mask = BIT(i); | |
611 | ||
612 | if (led_classdev_register(NULL, &led->cdev) < 0) { | |
613 | kfree(led); | |
614 | break; | |
615 | } | |
616 | } | |
617 | ||
618 | return 0; | |
619 | } | |
620 | ||
621 | /* | |
622 | * Since we may have triggers on any subsystem, defer registration | |
623 | * until after subsystem_init. | |
624 | */ | |
625 | fs_initcall(lubbock_leds_init); | |
626 | #endif | |
627 | ||
1da177e4 | 628 | MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)") |
e9dea0c6 | 629 | /* Maintainer: MontaVista Software Inc. */ |
e9dea0c6 | 630 | .map_io = lubbock_map_io, |
6ac6b817 | 631 | .nr_irqs = LUBBOCK_NR_IRQS, |
fc9e38c0 | 632 | .init_irq = pxa25x_init_irq, |
8a97ae2f | 633 | .handle_irq = pxa25x_handle_irq, |
6bb27d73 | 634 | .init_time = pxa_timer_init, |
e9dea0c6 | 635 | .init_machine = lubbock_init, |
271a74fc | 636 | .restart = pxa_restart, |
1da177e4 | 637 | MACHINE_END |