Merge tag 'for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux...
[deliverable/linux.git] / arch / arm / mach-pxa / lpd270.c
CommitLineData
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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 */
2f8163ba 15#include <linux/gpio.h>
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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>
b70661c7 27#include <linux/smc91x.h>
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28
29#include <asm/types.h>
30#include <asm/setup.h>
31#include <asm/memory.h>
32#include <asm/mach-types.h>
a09e64fb 33#include <mach/hardware.h>
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34#include <asm/irq.h>
35#include <asm/sizes.h>
36
37#include <asm/mach/arch.h>
38#include <asm/mach/map.h>
39#include <asm/mach/irq.h>
40#include <asm/mach/flash.h>
41
51c62982 42#include <mach/pxa27x.h>
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43#include <mach/lpd270.h>
44#include <mach/audio.h>
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45#include <linux/platform_data/video-pxafb.h>
46#include <linux/platform_data/mmc-pxamci.h>
47#include <linux/platform_data/irda-pxaficp.h>
48#include <linux/platform_data/usb-ohci-pxa27x.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(PXA_GPIO_TO_IRQ(0), lpd270_irq_handler);
157 irq_set_irq_type(PXA_GPIO_TO_IRQ(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,
b70661c7 193 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
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194 },
195};
196
b70661c7 197struct smc91x_platdata smc91x_platdata = {
04b91701 198 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
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199};
200
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201static struct platform_device smc91x_device = {
202 .name = "smc91x",
203 .id = 0,
204 .num_resources = ARRAY_SIZE(smc91x_resources),
205 .resource = smc91x_resources,
b70661c7 206 .dev.platform_data = &smc91x_platdata,
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207};
208
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209static struct resource lpd270_flash_resources[] = {
210 [0] = {
211 .start = PXA_CS0_PHYS,
212 .end = PXA_CS0_PHYS + SZ_64M - 1,
213 .flags = IORESOURCE_MEM,
214 },
215 [1] = {
216 .start = PXA_CS1_PHYS,
217 .end = PXA_CS1_PHYS + SZ_64M - 1,
218 .flags = IORESOURCE_MEM,
219 },
220};
221
222static struct mtd_partition lpd270_flash0_partitions[] = {
223 {
224 .name = "Bootloader",
225 .size = 0x00040000,
226 .offset = 0,
227 .mask_flags = MTD_WRITEABLE /* force read-only */
228 }, {
229 .name = "Kernel",
230 .size = 0x00400000,
231 .offset = 0x00040000,
232 }, {
233 .name = "Filesystem",
234 .size = MTDPART_SIZ_FULL,
235 .offset = 0x00440000
236 },
237};
238
239static struct flash_platform_data lpd270_flash_data[2] = {
240 {
241 .name = "processor-flash",
242 .map_name = "cfi_probe",
243 .parts = lpd270_flash0_partitions,
244 .nr_parts = ARRAY_SIZE(lpd270_flash0_partitions),
245 }, {
246 .name = "mainboard-flash",
247 .map_name = "cfi_probe",
248 .parts = NULL,
249 .nr_parts = 0,
250 }
251};
252
253static struct platform_device lpd270_flash_device[2] = {
254 {
255 .name = "pxa2xx-flash",
256 .id = 0,
257 .dev = {
258 .platform_data = &lpd270_flash_data[0],
259 },
260 .resource = &lpd270_flash_resources[0],
261 .num_resources = 1,
262 }, {
263 .name = "pxa2xx-flash",
264 .id = 1,
265 .dev = {
266 .platform_data = &lpd270_flash_data[1],
267 },
268 .resource = &lpd270_flash_resources[1],
269 .num_resources = 1,
270 },
271};
272
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273static struct platform_pwm_backlight_data lpd270_backlight_data = {
274 .pwm_id = 0,
275 .max_brightness = 1,
276 .dft_brightness = 1,
277 .pwm_period_ns = 78770,
db01120c 278 .enable_gpio = -1,
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279};
280
281static struct platform_device lpd270_backlight_device = {
282 .name = "pwm-backlight",
283 .dev = {
284 .parent = &pxa27x_device_pwm0.dev,
285 .platform_data = &lpd270_backlight_data,
286 },
287};
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288
289/* 5.7" TFT QVGA (LoLo display number 1) */
d14b272b 290static struct pxafb_mode_info sharp_lq057q3dc02_mode = {
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291 .pixclock = 150000,
292 .xres = 320,
293 .yres = 240,
e9937d4b 294 .bpp = 16,
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295 .hsync_len = 0x14,
296 .left_margin = 0x28,
297 .right_margin = 0x0a,
298 .vsync_len = 0x02,
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299 .upper_margin = 0x08,
300 .lower_margin = 0x14,
65660297 301 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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302};
303
304static struct pxafb_mach_info sharp_lq057q3dc02 = {
305 .modes = &sharp_lq057q3dc02_mode,
306 .num_modes = 1,
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307 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
308 LCD_ALTERNATE_MAPPING,
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309};
310
311/* 12.1" TFT SVGA (LoLo display number 2) */
d14b272b 312static struct pxafb_mode_info sharp_lq121s1dg31_mode = {
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313 .pixclock = 50000,
314 .xres = 800,
315 .yres = 600,
316 .bpp = 16,
317 .hsync_len = 0x05,
318 .left_margin = 0x52,
319 .right_margin = 0x05,
320 .vsync_len = 0x04,
321 .upper_margin = 0x14,
322 .lower_margin = 0x0a,
323 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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324};
325
326static struct pxafb_mach_info sharp_lq121s1dg31 = {
327 .modes = &sharp_lq121s1dg31_mode,
328 .num_modes = 1,
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329 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
330 LCD_ALTERNATE_MAPPING,
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331};
332
333/* 3.6" TFT QVGA (LoLo display number 3) */
d14b272b 334static struct pxafb_mode_info sharp_lq036q1da01_mode = {
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335 .pixclock = 150000,
336 .xres = 320,
337 .yres = 240,
338 .bpp = 16,
339 .hsync_len = 0x0e,
340 .left_margin = 0x04,
341 .right_margin = 0x0a,
342 .vsync_len = 0x03,
343 .upper_margin = 0x03,
344 .lower_margin = 0x03,
345 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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346};
347
348static struct pxafb_mach_info sharp_lq036q1da01 = {
349 .modes = &sharp_lq036q1da01_mode,
350 .num_modes = 1,
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351 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
352 LCD_ALTERNATE_MAPPING,
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353};
354
355/* 6.4" TFT VGA (LoLo display number 5) */
d14b272b 356static struct pxafb_mode_info sharp_lq64d343_mode = {
65660297 357 .pixclock = 25000,
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358 .xres = 640,
359 .yres = 480,
360 .bpp = 16,
65660297 361 .hsync_len = 0x31,
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362 .left_margin = 0x89,
363 .right_margin = 0x19,
65660297 364 .vsync_len = 0x12,
e9937d4b 365 .upper_margin = 0x22,
65660297 366 .lower_margin = 0x00,
e9937d4b 367 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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368};
369
370static struct pxafb_mach_info sharp_lq64d343 = {
371 .modes = &sharp_lq64d343_mode,
372 .num_modes = 1,
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373 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
374 LCD_ALTERNATE_MAPPING,
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375};
376
377/* 10.4" TFT VGA (LoLo display number 7) */
d14b272b 378static struct pxafb_mode_info sharp_lq10d368_mode = {
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379 .pixclock = 25000,
380 .xres = 640,
381 .yres = 480,
382 .bpp = 16,
383 .hsync_len = 0x31,
384 .left_margin = 0x89,
385 .right_margin = 0x19,
386 .vsync_len = 0x12,
387 .upper_margin = 0x22,
388 .lower_margin = 0x00,
389 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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390};
391
392static struct pxafb_mach_info sharp_lq10d368 = {
393 .modes = &sharp_lq10d368_mode,
394 .num_modes = 1,
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395 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
396 LCD_ALTERNATE_MAPPING,
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397};
398
399/* 3.5" TFT QVGA (LoLo display number 8) */
d14b272b 400static struct pxafb_mode_info sharp_lq035q7db02_20_mode = {
65660297 401 .pixclock = 150000,
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402 .xres = 240,
403 .yres = 320,
404 .bpp = 16,
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405 .hsync_len = 0x0e,
406 .left_margin = 0x0a,
407 .right_margin = 0x0a,
408 .vsync_len = 0x03,
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409 .upper_margin = 0x05,
410 .lower_margin = 0x14,
65660297 411 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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412};
413
414static struct pxafb_mach_info sharp_lq035q7db02_20 = {
415 .modes = &sharp_lq035q7db02_20_mode,
416 .num_modes = 1,
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417 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
418 LCD_ALTERNATE_MAPPING,
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419};
420
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421static struct pxafb_mach_info *lpd270_lcd_to_use;
422
423static int __init lpd270_set_lcd(char *str)
424{
2bebf5cb 425 if (!strncasecmp(str, "lq057q3dc02", 11)) {
65660297 426 lpd270_lcd_to_use = &sharp_lq057q3dc02;
2bebf5cb 427 } else if (!strncasecmp(str, "lq121s1dg31", 11)) {
65660297 428 lpd270_lcd_to_use = &sharp_lq121s1dg31;
2bebf5cb 429 } else if (!strncasecmp(str, "lq036q1da01", 11)) {
65660297 430 lpd270_lcd_to_use = &sharp_lq036q1da01;
2bebf5cb 431 } else if (!strncasecmp(str, "lq64d343", 8)) {
65660297 432 lpd270_lcd_to_use = &sharp_lq64d343;
2bebf5cb 433 } else if (!strncasecmp(str, "lq10d368", 8)) {
65660297 434 lpd270_lcd_to_use = &sharp_lq10d368;
2bebf5cb 435 } else if (!strncasecmp(str, "lq035q7db02-20", 14)) {
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436 lpd270_lcd_to_use = &sharp_lq035q7db02_20;
437 } else {
438 printk(KERN_INFO "lpd270: unknown lcd panel [%s]\n", str);
439 }
440
441 return 1;
442}
443
444__setup("lcd=", lpd270_set_lcd);
445
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446static struct platform_device *platform_devices[] __initdata = {
447 &smc91x_device,
4a730719 448 &lpd270_backlight_device,
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449 &lpd270_flash_device[0],
450 &lpd270_flash_device[1],
451};
452
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453static struct pxaohci_platform_data lpd270_ohci_platform_data = {
454 .port_mode = PMM_PERPORT_MODE,
097b5334 455 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
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456};
457
458static void __init lpd270_init(void)
459{
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460 pxa2xx_mfp_config(ARRAY_AND_SIZE(lpd270_pin_config));
461
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462 pxa_set_ffuart_info(NULL);
463 pxa_set_btuart_info(NULL);
464 pxa_set_stuart_info(NULL);
465
ad68bb9f 466 lpd270_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
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467 lpd270_flash_data[1].width = 4;
468
469 /*
470 * System bus arbiter setting:
471 * - Core_Park
472 * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
473 */
474 ARB_CNTRL = ARB_CORE_PARK | 0x234;
475
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476 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
477
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478 pxa_set_ac97_info(NULL);
479
65660297 480 if (lpd270_lcd_to_use != NULL)
4321e1a1 481 pxa_set_fb_info(NULL, lpd270_lcd_to_use);
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482
483 pxa_set_ohci_info(&lpd270_ohci_platform_data);
484}
485
486
487static struct map_desc lpd270_io_desc[] __initdata = {
488 {
97b09da4 489 .virtual = (unsigned long)LPD270_CPLD_VIRT,
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490 .pfn = __phys_to_pfn(LPD270_CPLD_PHYS),
491 .length = LPD270_CPLD_SIZE,
492 .type = MT_DEVICE,
493 },
494};
495
496static void __init lpd270_map_io(void)
497{
851982c1 498 pxa27x_map_io();
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499 iotable_init(lpd270_io_desc, ARRAY_SIZE(lpd270_io_desc));
500
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501 /* for use I SRAM as framebuffer. */
502 PSLR |= 0x00000F04;
503 PCFR = 0x00000066;
504}
505
506MACHINE_START(LOGICPD_PXA270, "LogicPD PXA270 Card Engine")
507 /* Maintainer: Peter Barada */
7375aba6 508 .atag_offset = 0x100,
e9937d4b 509 .map_io = lpd270_map_io,
6ac6b817 510 .nr_irqs = LPD270_NR_IRQS,
e9937d4b 511 .init_irq = lpd270_init_irq,
8a97ae2f 512 .handle_irq = pxa27x_handle_irq,
6bb27d73 513 .init_time = pxa_timer_init,
e9937d4b 514 .init_machine = lpd270_init,
271a74fc 515 .restart = pxa_restart,
e9937d4b 516MACHINE_END
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