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[ARM] pxa: move PCMCIA definitions out of pxa-regs.h into pxa2xx_base.c
[deliverable/linux.git] / arch / arm / mach-pxa / lubbock.c
CommitLineData
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 */
14#include <linux/module.h>
15#include <linux/kernel.h>
16#include <linux/init.h>
d052d1be 17#include <linux/platform_device.h>
22f11c4e 18#include <linux/sysdev.h>
1da177e4
LT		 19#include <linux/major.h>
20#include <linux/fb.h>
21#include <linux/interrupt.h>
74ec71e1
TP		 22#include <linux/mtd/mtd.h>
23#include <linux/mtd/partitions.h>
3aed74cd 24#include <linux/smc91x.h>
1da177e4 25
9df5db80
DB		 26#include <linux/spi/spi.h>
27#include <linux/spi/ads7846.h>
a09e64fb 28#include <mach/pxa2xx_spi.h>
9df5db80 29
1da177e4
LT		 30#include <asm/setup.h>
31#include <asm/memory.h>
32#include <asm/mach-types.h>
a09e64fb 33#include <mach/hardware.h>
1da177e4 34#include <asm/irq.h>
74ec71e1 35#include <asm/sizes.h>
1da177e4
LT		 36
37#include <asm/mach/arch.h>
38#include <asm/mach/map.h>
39#include <asm/mach/irq.h>
74ec71e1 40#include <asm/mach/flash.h>
1da177e4
LT		 41
42#include <asm/hardware/sa1111.h>
43
51c62982 44#include <mach/pxa25x.h>
da065a0b 45#include <mach/gpio.h>
a09e64fb
RK		 46#include <mach/audio.h>
47#include <mach/lubbock.h>
48#include <mach/udc.h>
49#include <mach/irda.h>
50#include <mach/pxafb.h>
51#include <mach/mmc.h>
1da177e4
LT		 52
53#include "generic.h"
c1ed406c 54#include "clock.h"
46c41e62 55#include "devices.h"
1da177e4 56
9b02b2df 57static unsigned long lubbock_pin_config[] __initdata = {
58 GPIO15_nCS_1, /* CS1 - Flash */
4a5c5eab 59 GPIO78_nCS_2, /* CS2 - Baseboard FGPA */
9b02b2df 60 GPIO79_nCS_3, /* CS3 - SMC ethernet */
4a5c5eab 61 GPIO80_nCS_4, /* CS4 - SA1111 */
9b02b2df 62
63 /* SSP data pins */
64 GPIO23_SSP1_SCLK,
65 GPIO25_SSP1_TXD,
66 GPIO26_SSP1_RXD,
67
4a5c5eab
EM		 68 /* LCD - 16bpp DSTN */
69 GPIO58_LCD_LDD_0,
70 GPIO59_LCD_LDD_1,
71 GPIO60_LCD_LDD_2,
72 GPIO61_LCD_LDD_3,
73 GPIO62_LCD_LDD_4,
74 GPIO63_LCD_LDD_5,
75 GPIO64_LCD_LDD_6,
76 GPIO65_LCD_LDD_7,
77 GPIO66_LCD_LDD_8,
78 GPIO67_LCD_LDD_9,
79 GPIO68_LCD_LDD_10,
80 GPIO69_LCD_LDD_11,
81 GPIO70_LCD_LDD_12,
82 GPIO71_LCD_LDD_13,
83 GPIO72_LCD_LDD_14,
84 GPIO73_LCD_LDD_15,
85 GPIO74_LCD_FCLK,
86 GPIO75_LCD_LCLK,
87 GPIO76_LCD_PCLK,
88
9b02b2df 89 /* BTUART */
90 GPIO42_BTUART_RXD,
91 GPIO43_BTUART_TXD,
92 GPIO44_BTUART_CTS,
93 GPIO45_BTUART_RTS,
94
95 /* PC Card */
96 GPIO48_nPOE,
97 GPIO49_nPWE,
98 GPIO50_nPIOR,
99 GPIO51_nPIOW,
100 GPIO52_nPCE_1,
101 GPIO53_nPCE_2,
102 GPIO54_nPSKTSEL,
103 GPIO55_nPREG,
104 GPIO56_nPWAIT,
105 GPIO57_nIOIS16,
106
107 /* MMC */
108 GPIO6_MMC_CLK,
109 GPIO8_MMC_CS0,
110
111 /* wakeup */
112 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
113};
1da177e4
LT		 114
115#define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)
116
117void 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
127static unsigned long lubbock_irq_enabled;
128
129static void lubbock_mask_irq(unsigned int irq)
130{
131 int lubbock_irq = (irq - LUBBOCK_IRQ(0));
132 LUB_IRQ_MASK_EN = (lubbock_irq_enabled &= ~(1 << lubbock_irq));
133}
134
135static void lubbock_unmask_irq(unsigned int irq)
136{
137 int lubbock_irq = (irq - LUBBOCK_IRQ(0));
138 /* the irq can be acknowledged only if deasserted, so it's done here */
139 LUB_IRQ_SET_CLR &= ~(1 << lubbock_irq);
140 LUB_IRQ_MASK_EN = (lubbock_irq_enabled |= (1 << lubbock_irq));
141}
142
38c677cb
DB		 143static struct irq_chip lubbock_irq_chip = {
144 .name = "FPGA",
1da177e4
LT		 145 .ack = lubbock_mask_irq,
146 .mask = lubbock_mask_irq,
147 .unmask = lubbock_unmask_irq,
148};
149
10dd5ce2 150static void lubbock_irq_handler(unsigned int irq, struct irq_desc *desc)
1da177e4
LT		 151{
152 unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
153 do {
154 GEDR(0) = GPIO_bit(0); /* clear our parent irq */
155 if (likely(pending)) {
156 irq = LUBBOCK_IRQ(0) + __ffs(pending);
d8aa0251 157 generic_handle_irq(irq);
1da177e4
LT		 158 }
159 pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
160 } while (pending);
161}
162
163static void __init lubbock_init_irq(void)
164{
165 int irq;
166
cd49104d 167 pxa25x_init_irq();
1da177e4
LT		 168
169 /* setup extra lubbock irqs */
170 for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) {
171 set_irq_chip(irq, &lubbock_irq_chip);
10dd5ce2 172 set_irq_handler(irq, handle_level_irq);
1da177e4
LT		 173 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
174 }
175
176 set_irq_chained_handler(IRQ_GPIO(0), lubbock_irq_handler);
6cab4860 177 set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
1da177e4
LT		 178}
179
22f11c4e
NP		 180#ifdef CONFIG_PM
181
182static int lubbock_irq_resume(struct sys_device *dev)
183{
184 LUB_IRQ_MASK_EN = lubbock_irq_enabled;
185 return 0;
186}
187
188static struct sysdev_class lubbock_irq_sysclass = {
af5ca3f4 189 .name = "cpld_irq",
22f11c4e
NP		 190 .resume = lubbock_irq_resume,
191};
192
193static struct sys_device lubbock_irq_device = {
194 .cls = &lubbock_irq_sysclass,
195};
196
197static int __init lubbock_irq_device_init(void)
198{
16f159b1
RK		 199 int ret = -ENODEV;
200
201 if (machine_is_lubbock()) {
202 ret = sysdev_class_register(&lubbock_irq_sysclass);
203 if (ret == 0)
204 ret = sysdev_register(&lubbock_irq_device);
205 }
22f11c4e
NP		 206 return ret;
207}
208
209device_initcall(lubbock_irq_device_init);
210
211#endif
212
1da177e4
LT		 213static int lubbock_udc_is_connected(void)
214{
215 return (LUB_MISC_RD & (1 << 9)) == 0;
216}
217
218static struct pxa2xx_udc_mach_info udc_info __initdata = {
219 .udc_is_connected = lubbock_udc_is_connected,
220 // no D+ pullup; lubbock can't connect/disconnect in software
221};
222
223static struct resource sa1111_resources[] = {
224 [0] = {
225 .start = 0x10000000,
226 .end = 0x10001fff,
227 .flags = IORESOURCE_MEM,
228 },
229 [1] = {
230 .start = LUBBOCK_SA1111_IRQ,
231 .end = LUBBOCK_SA1111_IRQ,
232 .flags = IORESOURCE_IRQ,
233 },
234};
235
236static struct platform_device sa1111_device = {
237 .name = "sa1111",
238 .id = -1,
239 .num_resources = ARRAY_SIZE(sa1111_resources),
240 .resource = sa1111_resources,
241};
242
9df5db80
DB		 243/* ADS7846 is connected through SSP ... and if your board has J5 populated,
244 * you can select it to replace the ucb1400 by switching the touchscreen cable
245 * (to J5) and poking board registers (as done below). Else it's only useful
246 * for the temperature sensors.
247 */
9df5db80 248static struct pxa2xx_spi_master pxa_ssp_master_info = {
1f4de5a0 249 .num_chipselect = 1,
9df5db80
DB		 250};
251
9df5db80
DB		 252static int lubbock_ads7846_pendown_state(void)
253{
254 /* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */
255 return 0;
256}
257
258static struct ads7846_platform_data ads_info = {
259 .model = 7846,
260 .vref_delay_usecs = 100, /* internal, no cap */
261 .get_pendown_state = lubbock_ads7846_pendown_state,
262 // .x_plate_ohms = 500, /* GUESS! */
263 // .y_plate_ohms = 500, /* GUESS! */
264};
265
266static void ads7846_cs(u32 command)
267{
268 static const unsigned TS_nCS = 1 << 11;
269 lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS);
270}
271
272static struct pxa2xx_spi_chip ads_hw = {
273 .tx_threshold = 1,
274 .rx_threshold = 2,
275 .cs_control = ads7846_cs,
276};
277
278static struct spi_board_info spi_board_info[] __initdata = { {
279 .modalias = "ads7846",
280 .platform_data = &ads_info,
281 .controller_data = &ads_hw,
282 .irq = LUBBOCK_BB_IRQ,
283 .max_speed_hz = 120000 /* max sample rate at 3V */
284 * 26 /* command + data + overhead */,
285 .bus_num = 1,
286 .chip_select = 0,
287},
288};
289
e21e2d46
RK		 290static struct resource smc91x_resources[] = {
291 [0] = {
292 .name = "smc91x-regs",
293 .start = 0x0c000c00,
294 .end = 0x0c0fffff,
295 .flags = IORESOURCE_MEM,
296 },
297 [1] = {
298 .start = LUBBOCK_ETH_IRQ,
299 .end = LUBBOCK_ETH_IRQ,
300 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
301 },
302 [2] = {
303 .name = "smc91x-attrib",
304 .start = 0x0e000000,
305 .end = 0x0e0fffff,
306 .flags = IORESOURCE_MEM,
307 },
308};
309
3aed74cd
EM		 310static struct smc91x_platdata lubbock_smc91x_info = {
311 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_IO_SHIFT_2,
312};
313
1da177e4
LT		 314static struct platform_device smc91x_device = {
315 .name = "smc91x",
316 .id = -1,
317 .num_resources = ARRAY_SIZE(smc91x_resources),
318 .resource = smc91x_resources,
3aed74cd
EM		 319 .dev = {
320 .platform_data = &lubbock_smc91x_info,
321 },
1da177e4
LT		 322};
323
74ec71e1
TP		 324static struct resource flash_resources[] = {
325 [0] = {
326 .start = 0x00000000,
327 .end = SZ_64M - 1,
328 .flags = IORESOURCE_MEM,
329 },
330 [1] = {
331 .start = 0x04000000,
332 .end = 0x04000000 + SZ_64M - 1,
333 .flags = IORESOURCE_MEM,
334 },
335};
336
337static struct mtd_partition lubbock_partitions[] = {
338 {
339 .name = "Bootloader",
340 .size = 0x00040000,
341 .offset = 0,
342 .mask_flags = MTD_WRITEABLE /* force read-only */
343 },{
344 .name = "Kernel",
345 .size = 0x00100000,
346 .offset = 0x00040000,
347 },{
348 .name = "Filesystem",
349 .size = MTDPART_SIZ_FULL,
350 .offset = 0x00140000
351 }
352};
353
354static struct flash_platform_data lubbock_flash_data[2] = {
355 {
356 .map_name = "cfi_probe",
357 .parts = lubbock_partitions,
358 .nr_parts = ARRAY_SIZE(lubbock_partitions),
359 }, {
360 .map_name = "cfi_probe",
361 .parts = NULL,
362 .nr_parts = 0,
363 }
364};
365
366static struct platform_device lubbock_flash_device[2] = {
367 {
368 .name = "pxa2xx-flash",
369 .id = 0,
370 .dev = {
371 .platform_data = &lubbock_flash_data[0],
372 },
373 .resource = &flash_resources[0],
374 .num_resources = 1,
375 },
376 {
377 .name = "pxa2xx-flash",
378 .id = 1,
379 .dev = {
380 .platform_data = &lubbock_flash_data[1],
381 },
382 .resource = &flash_resources[1],
383 .num_resources = 1,
384 },
385};
386
1da177e4
LT		 387static struct platform_device *devices[] __initdata = {
388 &sa1111_device,
389 &smc91x_device,
74ec71e1
TP		 390 &lubbock_flash_device[0],
391 &lubbock_flash_device[1],
1da177e4
LT		 392};
393
d14b272b 394static struct pxafb_mode_info sharp_lm8v31_mode = {
1da177e4
LT		 395 .pixclock = 270000,
396 .xres = 640,
397 .yres = 480,
398 .bpp = 16,
399 .hsync_len = 1,
400 .left_margin = 3,
401 .right_margin = 3,
402 .vsync_len = 1,
403 .upper_margin = 0,
404 .lower_margin = 0,
405 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
406 .cmap_greyscale = 0,
d14b272b
RP		 407};
408
409static struct pxafb_mach_info sharp_lm8v31 = {
410 .modes = &sharp_lm8v31_mode,
411 .num_modes = 1,
1da177e4
LT		 412 .cmap_inverse = 0,
413 .cmap_static = 0,
0454bd09 414 .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
ffebabe0 415 LCD_AC_BIAS_FREQ(255),
1da177e4
LT		 416};
417
85eb226c
DB		 418#define MMC_POLL_RATE msecs_to_jiffies(1000)
419
420static void lubbock_mmc_poll(unsigned long);
40220c1a 421static irq_handler_t mmc_detect_int;
85eb226c
DB		 422
423static struct timer_list mmc_timer = {
424 .function = lubbock_mmc_poll,
425};
426
427static void lubbock_mmc_poll(unsigned long data)
428{
429 unsigned long flags;
430
431 /* clear any previous irq state, then ... */
432 local_irq_save(flags);
433 LUB_IRQ_SET_CLR &= ~(1 << 0);
434 local_irq_restore(flags);
435
436 /* poll until mmc/sd card is removed */
437 if (LUB_IRQ_SET_CLR & (1 << 0))
438 mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
439 else {
2326eb98 440 (void) mmc_detect_int(LUBBOCK_SD_IRQ, (void *)data);
85eb226c
DB		 441 enable_irq(LUBBOCK_SD_IRQ);
442 }
443}
444
0cd61b68 445static irqreturn_t lubbock_detect_int(int irq, void *data)
85eb226c
DB		 446{
447 /* IRQ is level triggered; disable, and poll for removal */
448 disable_irq(irq);
449 mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
450
0cd61b68 451 return mmc_detect_int(irq, data);
85eb226c
DB		 452}
453
454static int lubbock_mci_init(struct device *dev,
40220c1a 455 irq_handler_t detect_int,
85eb226c 456 void *data)
1da177e4 457{
85eb226c
DB		 458 /* detect card insert/eject */
459 mmc_detect_int = detect_int;
460 init_timer(&mmc_timer);
461 mmc_timer.data = (unsigned long) data;
462 return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
52e405ea 463 IRQF_SAMPLE_RANDOM, "lubbock-sd-detect", data);
85eb226c
DB		 464}
465
466static int lubbock_mci_get_ro(struct device *dev)
467{
468 return (LUB_MISC_RD & (1 << 2)) != 0;
469}
470
471static void lubbock_mci_exit(struct device *dev, void *data)
472{
473 free_irq(LUBBOCK_SD_IRQ, data);
474 del_timer_sync(&mmc_timer);
1da177e4
LT		 475}
476
477static struct pxamci_platform_data lubbock_mci_platform_data = {
478 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
85eb226c 479 .detect_delay = 1,
1da177e4 480 .init = lubbock_mci_init,
85eb226c
DB		 481 .get_ro = lubbock_mci_get_ro,
482 .exit = lubbock_mci_exit,
1da177e4
LT		 483};
484
6f475c01
NP		 485static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
486{
487 unsigned long flags;
488
489 local_irq_save(flags);
490 if (mode & IR_SIRMODE) {
491 LUB_MISC_WR &= ~(1 << 4);
492 } else if (mode & IR_FIRMODE) {
493 LUB_MISC_WR |= 1 << 4;
494 }
0fc3ff31 495 pxa2xx_transceiver_mode(dev, mode);
6f475c01
NP		 496 local_irq_restore(flags);
497}
498
499static struct pxaficp_platform_data lubbock_ficp_platform_data = {
500 .transceiver_cap = IR_SIRMODE | IR_FIRMODE,
501 .transceiver_mode = lubbock_irda_transceiver_mode,
502};
503
1da177e4
LT		 504static void __init lubbock_init(void)
505{
74ec71e1
TP		 506 int flashboot = (LUB_CONF_SWITCHES & 1);
507
9b02b2df 508 pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));
509
c1ed406c 510 clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
1da177e4
LT		 511 pxa_set_udc_info(&udc_info);
512 set_pxa_fb_info(&sharp_lm8v31);
513 pxa_set_mci_info(&lubbock_mci_platform_data);
6f475c01 514 pxa_set_ficp_info(&lubbock_ficp_platform_data);
9f19d638 515 pxa_set_ac97_info(NULL);
74ec71e1
TP		 516
517 lubbock_flash_data[0].width = lubbock_flash_data[1].width =
518 (BOOT_DEF & 1) ? 2 : 4;
519 /* Compensate for the nROMBT switch which swaps the flash banks */
520 printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
521 flashboot?"Flash":"ROM", flashboot);
522
523 lubbock_flash_data[flashboot^1].name = "application-flash";
524 lubbock_flash_data[flashboot].name = "boot-rom";
1da177e4 525 (void) platform_add_devices(devices, ARRAY_SIZE(devices));
9df5db80 526
e172274c 527 pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
9df5db80 528 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
1da177e4
LT		 529}
530
531static struct map_desc lubbock_io_desc[] __initdata = {
6f9182eb
DS		 532 { /* CPLD */
533 .virtual = LUBBOCK_FPGA_VIRT,
534 .pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS),
535 .length = 0x00100000,
536 .type = MT_DEVICE
537 }
1da177e4
LT		 538};
539
540static void __init lubbock_map_io(void)
541{
542 pxa_map_io();
543 iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));
544
1da177e4
LT		 545 PCFR |= PCFR_OPDE;
546}
547
548MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
e9dea0c6 549 /* Maintainer: MontaVista Software Inc. */
e9dea0c6 550 .phys_io = 0x40000000,
68070bde 551 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
e9dea0c6
RK		 552 .map_io = lubbock_map_io,
553 .init_irq = lubbock_init_irq,
1da177e4 554 .timer = &pxa_timer,
e9dea0c6 555 .init_machine = lubbock_init,
1da177e4 556MACHINE_END
Linux kernel - Deliverables
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