ARM: gpio: at91: remove redundant include of mach/gpio.h
[deliverable/linux.git] / arch / arm / mach-pxa / lpd270.c
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1/*
2 * linux/arch/arm/mach-pxa/lpd270.c
3 *
4 * Support for the LogicPD PXA270 Card Engine.
5 * Derived from the mainstone code, which carries these notices:
6 *
7 * Author: Nicolas Pitre
8 * Created: Nov 05, 2002
9 * Copyright: MontaVista Software Inc.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
16#include <linux/init.h>
17#include <linux/platform_device.h>
2eaa03b5 18#include <linux/syscore_ops.h>
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19#include <linux/interrupt.h>
20#include <linux/sched.h>
21#include <linux/bitops.h>
22#include <linux/fb.h>
23#include <linux/ioport.h>
24#include <linux/mtd/mtd.h>
25#include <linux/mtd/partitions.h>
4a730719 26#include <linux/pwm_backlight.h>
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27
28#include <asm/types.h>
29#include <asm/setup.h>
30#include <asm/memory.h>
31#include <asm/mach-types.h>
a09e64fb 32#include <mach/hardware.h>
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33#include <asm/irq.h>
34#include <asm/sizes.h>
35
36#include <asm/mach/arch.h>
37#include <asm/mach/map.h>
38#include <asm/mach/irq.h>
39#include <asm/mach/flash.h>
40
51c62982 41#include <mach/pxa27x.h>
da065a0b 42#include <mach/gpio.h>
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43#include <mach/lpd270.h>
44#include <mach/audio.h>
45#include <mach/pxafb.h>
46#include <mach/mmc.h>
47#include <mach/irda.h>
48#include <mach/ohci.h>
ad68bb9f 49#include <mach/smemc.h>
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50
51#include "generic.h"
46c41e62 52#include "devices.h"
e9937d4b 53
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54static unsigned long lpd270_pin_config[] __initdata = {
55 /* Chip Selects */
56 GPIO15_nCS_1, /* Mainboard Flash */
57 GPIO78_nCS_2, /* CPLD + Ethernet */
58
59 /* LCD - 16bpp Active TFT */
60 GPIO58_LCD_LDD_0,
61 GPIO59_LCD_LDD_1,
62 GPIO60_LCD_LDD_2,
63 GPIO61_LCD_LDD_3,
64 GPIO62_LCD_LDD_4,
65 GPIO63_LCD_LDD_5,
66 GPIO64_LCD_LDD_6,
67 GPIO65_LCD_LDD_7,
68 GPIO66_LCD_LDD_8,
69 GPIO67_LCD_LDD_9,
70 GPIO68_LCD_LDD_10,
71 GPIO69_LCD_LDD_11,
72 GPIO70_LCD_LDD_12,
73 GPIO71_LCD_LDD_13,
74 GPIO72_LCD_LDD_14,
75 GPIO73_LCD_LDD_15,
76 GPIO74_LCD_FCLK,
77 GPIO75_LCD_LCLK,
78 GPIO76_LCD_PCLK,
79 GPIO77_LCD_BIAS,
80 GPIO16_PWM0_OUT, /* Backlight */
81
82 /* USB Host */
83 GPIO88_USBH1_PWR,
84 GPIO89_USBH1_PEN,
85
86 /* AC97 */
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87 GPIO28_AC97_BITCLK,
88 GPIO29_AC97_SDATA_IN_0,
89 GPIO30_AC97_SDATA_OUT,
90 GPIO31_AC97_SYNC,
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91 GPIO45_AC97_SYSCLK,
92
93 GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
94};
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95
96static unsigned int lpd270_irq_enabled;
97
a3f4c927 98static void lpd270_mask_irq(struct irq_data *d)
e9937d4b 99{
a3f4c927 100 int lpd270_irq = d->irq - LPD270_IRQ(0);
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101
102 __raw_writew(~(1 << lpd270_irq), LPD270_INT_STATUS);
103
104 lpd270_irq_enabled &= ~(1 << lpd270_irq);
105 __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
106}
107
a3f4c927 108static void lpd270_unmask_irq(struct irq_data *d)
e9937d4b 109{
a3f4c927 110 int lpd270_irq = d->irq - LPD270_IRQ(0);
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111
112 lpd270_irq_enabled |= 1 << lpd270_irq;
113 __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
114}
115
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116static struct irq_chip lpd270_irq_chip = {
117 .name = "CPLD",
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118 .irq_ack = lpd270_mask_irq,
119 .irq_mask = lpd270_mask_irq,
120 .irq_unmask = lpd270_unmask_irq,
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121};
122
10dd5ce2 123static void lpd270_irq_handler(unsigned int irq, struct irq_desc *desc)
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124{
125 unsigned long pending;
126
127 pending = __raw_readw(LPD270_INT_STATUS) & lpd270_irq_enabled;
128 do {
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129 /* clear useless edge notification */
130 desc->irq_data.chip->irq_ack(&desc->irq_data);
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131 if (likely(pending)) {
132 irq = LPD270_IRQ(0) + __ffs(pending);
d8aa0251 133 generic_handle_irq(irq);
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134
135 pending = __raw_readw(LPD270_INT_STATUS) &
136 lpd270_irq_enabled;
137 }
138 } while (pending);
139}
140
141static void __init lpd270_init_irq(void)
142{
143 int irq;
144
cd49104d 145 pxa27x_init_irq();
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146
147 __raw_writew(0, LPD270_INT_MASK);
148 __raw_writew(0, LPD270_INT_STATUS);
149
150 /* setup extra LogicPD PXA270 irqs */
151 for (irq = LPD270_IRQ(2); irq <= LPD270_IRQ(4); irq++) {
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152 irq_set_chip_and_handler(irq, &lpd270_irq_chip,
153 handle_level_irq);
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154 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
155 }
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156 irq_set_chained_handler(IRQ_GPIO(0), lpd270_irq_handler);
157 irq_set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
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158}
159
160
161#ifdef CONFIG_PM
2eaa03b5 162static void lpd270_irq_resume(void)
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163{
164 __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
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165}
166
2eaa03b5 167static struct syscore_ops lpd270_irq_syscore_ops = {
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168 .resume = lpd270_irq_resume,
169};
170
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171static int __init lpd270_irq_device_init(void)
172{
720046de 173 if (machine_is_logicpd_pxa270()) {
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174 register_syscore_ops(&lpd270_irq_syscore_ops);
175 return 0;
720046de 176 }
2eaa03b5 177 return -ENODEV;
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178}
179
180device_initcall(lpd270_irq_device_init);
181#endif
182
183
184static struct resource smc91x_resources[] = {
185 [0] = {
186 .start = LPD270_ETH_PHYS,
187 .end = (LPD270_ETH_PHYS + 0xfffff),
188 .flags = IORESOURCE_MEM,
189 },
190 [1] = {
191 .start = LPD270_ETHERNET_IRQ,
192 .end = LPD270_ETHERNET_IRQ,
193 .flags = IORESOURCE_IRQ,
194 },
195};
196
197static struct platform_device smc91x_device = {
198 .name = "smc91x",
199 .id = 0,
200 .num_resources = ARRAY_SIZE(smc91x_resources),
201 .resource = smc91x_resources,
202};
203
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204static struct resource lpd270_flash_resources[] = {
205 [0] = {
206 .start = PXA_CS0_PHYS,
207 .end = PXA_CS0_PHYS + SZ_64M - 1,
208 .flags = IORESOURCE_MEM,
209 },
210 [1] = {
211 .start = PXA_CS1_PHYS,
212 .end = PXA_CS1_PHYS + SZ_64M - 1,
213 .flags = IORESOURCE_MEM,
214 },
215};
216
217static struct mtd_partition lpd270_flash0_partitions[] = {
218 {
219 .name = "Bootloader",
220 .size = 0x00040000,
221 .offset = 0,
222 .mask_flags = MTD_WRITEABLE /* force read-only */
223 }, {
224 .name = "Kernel",
225 .size = 0x00400000,
226 .offset = 0x00040000,
227 }, {
228 .name = "Filesystem",
229 .size = MTDPART_SIZ_FULL,
230 .offset = 0x00440000
231 },
232};
233
234static struct flash_platform_data lpd270_flash_data[2] = {
235 {
236 .name = "processor-flash",
237 .map_name = "cfi_probe",
238 .parts = lpd270_flash0_partitions,
239 .nr_parts = ARRAY_SIZE(lpd270_flash0_partitions),
240 }, {
241 .name = "mainboard-flash",
242 .map_name = "cfi_probe",
243 .parts = NULL,
244 .nr_parts = 0,
245 }
246};
247
248static struct platform_device lpd270_flash_device[2] = {
249 {
250 .name = "pxa2xx-flash",
251 .id = 0,
252 .dev = {
253 .platform_data = &lpd270_flash_data[0],
254 },
255 .resource = &lpd270_flash_resources[0],
256 .num_resources = 1,
257 }, {
258 .name = "pxa2xx-flash",
259 .id = 1,
260 .dev = {
261 .platform_data = &lpd270_flash_data[1],
262 },
263 .resource = &lpd270_flash_resources[1],
264 .num_resources = 1,
265 },
266};
267
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268static struct platform_pwm_backlight_data lpd270_backlight_data = {
269 .pwm_id = 0,
270 .max_brightness = 1,
271 .dft_brightness = 1,
272 .pwm_period_ns = 78770,
273};
274
275static struct platform_device lpd270_backlight_device = {
276 .name = "pwm-backlight",
277 .dev = {
278 .parent = &pxa27x_device_pwm0.dev,
279 .platform_data = &lpd270_backlight_data,
280 },
281};
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282
283/* 5.7" TFT QVGA (LoLo display number 1) */
d14b272b 284static struct pxafb_mode_info sharp_lq057q3dc02_mode = {
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285 .pixclock = 150000,
286 .xres = 320,
287 .yres = 240,
e9937d4b 288 .bpp = 16,
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289 .hsync_len = 0x14,
290 .left_margin = 0x28,
291 .right_margin = 0x0a,
292 .vsync_len = 0x02,
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293 .upper_margin = 0x08,
294 .lower_margin = 0x14,
65660297 295 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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296};
297
298static struct pxafb_mach_info sharp_lq057q3dc02 = {
299 .modes = &sharp_lq057q3dc02_mode,
300 .num_modes = 1,
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301 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
302 LCD_ALTERNATE_MAPPING,
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303};
304
305/* 12.1" TFT SVGA (LoLo display number 2) */
d14b272b 306static struct pxafb_mode_info sharp_lq121s1dg31_mode = {
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307 .pixclock = 50000,
308 .xres = 800,
309 .yres = 600,
310 .bpp = 16,
311 .hsync_len = 0x05,
312 .left_margin = 0x52,
313 .right_margin = 0x05,
314 .vsync_len = 0x04,
315 .upper_margin = 0x14,
316 .lower_margin = 0x0a,
317 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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318};
319
320static struct pxafb_mach_info sharp_lq121s1dg31 = {
321 .modes = &sharp_lq121s1dg31_mode,
322 .num_modes = 1,
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323 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
324 LCD_ALTERNATE_MAPPING,
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325};
326
327/* 3.6" TFT QVGA (LoLo display number 3) */
d14b272b 328static struct pxafb_mode_info sharp_lq036q1da01_mode = {
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329 .pixclock = 150000,
330 .xres = 320,
331 .yres = 240,
332 .bpp = 16,
333 .hsync_len = 0x0e,
334 .left_margin = 0x04,
335 .right_margin = 0x0a,
336 .vsync_len = 0x03,
337 .upper_margin = 0x03,
338 .lower_margin = 0x03,
339 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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340};
341
342static struct pxafb_mach_info sharp_lq036q1da01 = {
343 .modes = &sharp_lq036q1da01_mode,
344 .num_modes = 1,
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345 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
346 LCD_ALTERNATE_MAPPING,
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347};
348
349/* 6.4" TFT VGA (LoLo display number 5) */
d14b272b 350static struct pxafb_mode_info sharp_lq64d343_mode = {
65660297 351 .pixclock = 25000,
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352 .xres = 640,
353 .yres = 480,
354 .bpp = 16,
65660297 355 .hsync_len = 0x31,
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356 .left_margin = 0x89,
357 .right_margin = 0x19,
65660297 358 .vsync_len = 0x12,
e9937d4b 359 .upper_margin = 0x22,
65660297 360 .lower_margin = 0x00,
e9937d4b 361 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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362};
363
364static struct pxafb_mach_info sharp_lq64d343 = {
365 .modes = &sharp_lq64d343_mode,
366 .num_modes = 1,
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367 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
368 LCD_ALTERNATE_MAPPING,
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369};
370
371/* 10.4" TFT VGA (LoLo display number 7) */
d14b272b 372static struct pxafb_mode_info sharp_lq10d368_mode = {
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373 .pixclock = 25000,
374 .xres = 640,
375 .yres = 480,
376 .bpp = 16,
377 .hsync_len = 0x31,
378 .left_margin = 0x89,
379 .right_margin = 0x19,
380 .vsync_len = 0x12,
381 .upper_margin = 0x22,
382 .lower_margin = 0x00,
383 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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384};
385
386static struct pxafb_mach_info sharp_lq10d368 = {
387 .modes = &sharp_lq10d368_mode,
388 .num_modes = 1,
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389 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
390 LCD_ALTERNATE_MAPPING,
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391};
392
393/* 3.5" TFT QVGA (LoLo display number 8) */
d14b272b 394static struct pxafb_mode_info sharp_lq035q7db02_20_mode = {
65660297 395 .pixclock = 150000,
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396 .xres = 240,
397 .yres = 320,
398 .bpp = 16,
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399 .hsync_len = 0x0e,
400 .left_margin = 0x0a,
401 .right_margin = 0x0a,
402 .vsync_len = 0x03,
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403 .upper_margin = 0x05,
404 .lower_margin = 0x14,
65660297 405 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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406};
407
408static struct pxafb_mach_info sharp_lq035q7db02_20 = {
409 .modes = &sharp_lq035q7db02_20_mode,
410 .num_modes = 1,
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411 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
412 LCD_ALTERNATE_MAPPING,
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413};
414
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415static struct pxafb_mach_info *lpd270_lcd_to_use;
416
417static int __init lpd270_set_lcd(char *str)
418{
419 if (!strnicmp(str, "lq057q3dc02", 11)) {
420 lpd270_lcd_to_use = &sharp_lq057q3dc02;
421 } else if (!strnicmp(str, "lq121s1dg31", 11)) {
422 lpd270_lcd_to_use = &sharp_lq121s1dg31;
423 } else if (!strnicmp(str, "lq036q1da01", 11)) {
424 lpd270_lcd_to_use = &sharp_lq036q1da01;
425 } else if (!strnicmp(str, "lq64d343", 8)) {
426 lpd270_lcd_to_use = &sharp_lq64d343;
427 } else if (!strnicmp(str, "lq10d368", 8)) {
428 lpd270_lcd_to_use = &sharp_lq10d368;
429 } else if (!strnicmp(str, "lq035q7db02-20", 14)) {
430 lpd270_lcd_to_use = &sharp_lq035q7db02_20;
431 } else {
432 printk(KERN_INFO "lpd270: unknown lcd panel [%s]\n", str);
433 }
434
435 return 1;
436}
437
438__setup("lcd=", lpd270_set_lcd);
439
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440static struct platform_device *platform_devices[] __initdata = {
441 &smc91x_device,
4a730719 442 &lpd270_backlight_device,
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443 &lpd270_flash_device[0],
444 &lpd270_flash_device[1],
445};
446
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447static struct pxaohci_platform_data lpd270_ohci_platform_data = {
448 .port_mode = PMM_PERPORT_MODE,
097b5334 449 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
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450};
451
452static void __init lpd270_init(void)
453{
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454 pxa2xx_mfp_config(ARRAY_AND_SIZE(lpd270_pin_config));
455
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456 pxa_set_ffuart_info(NULL);
457 pxa_set_btuart_info(NULL);
458 pxa_set_stuart_info(NULL);
459
ad68bb9f 460 lpd270_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
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461 lpd270_flash_data[1].width = 4;
462
463 /*
464 * System bus arbiter setting:
465 * - Core_Park
466 * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
467 */
468 ARB_CNTRL = ARB_CORE_PARK | 0x234;
469
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470 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
471
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472 pxa_set_ac97_info(NULL);
473
65660297 474 if (lpd270_lcd_to_use != NULL)
4321e1a1 475 pxa_set_fb_info(NULL, lpd270_lcd_to_use);
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476
477 pxa_set_ohci_info(&lpd270_ohci_platform_data);
478}
479
480
481static struct map_desc lpd270_io_desc[] __initdata = {
482 {
483 .virtual = LPD270_CPLD_VIRT,
484 .pfn = __phys_to_pfn(LPD270_CPLD_PHYS),
485 .length = LPD270_CPLD_SIZE,
486 .type = MT_DEVICE,
487 },
488};
489
490static void __init lpd270_map_io(void)
491{
851982c1 492 pxa27x_map_io();
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493 iotable_init(lpd270_io_desc, ARRAY_SIZE(lpd270_io_desc));
494
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495 /* for use I SRAM as framebuffer. */
496 PSLR |= 0x00000F04;
497 PCFR = 0x00000066;
498}
499
500MACHINE_START(LOGICPD_PXA270, "LogicPD PXA270 Card Engine")
501 /* Maintainer: Peter Barada */
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502 .boot_params = 0xa0000100,
503 .map_io = lpd270_map_io,
6ac6b817 504 .nr_irqs = LPD270_NR_IRQS,
e9937d4b 505 .init_irq = lpd270_init_irq,
8a97ae2f 506 .handle_irq = pxa27x_handle_irq,
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507 .timer = &pxa_timer,
508 .init_machine = lpd270_init,
509MACHINE_END
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