14eac2287e3fea1bf00c61caf25f791324c69efe
[linux-2.6.git] / arch / arm / mach-pxa / mainstone.c
1 /*
2  *  linux/arch/arm/mach-pxa/mainstone.c
3  *
4  *  Support for the Intel HCDDBBVA0 Development Platform.
5  *  (go figure how they came up with such name...)
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>
18 #include <linux/sysdev.h>
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>
26 #include <linux/input.h>
27 #include <linux/gpio_keys.h>
28 #include <linux/pwm_backlight.h>
29
30 #include <asm/types.h>
31 #include <asm/setup.h>
32 #include <asm/memory.h>
33 #include <asm/mach-types.h>
34 #include <asm/hardware.h>
35 #include <asm/irq.h>
36 #include <asm/sizes.h>
37
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/irq.h>
41 #include <asm/mach/flash.h>
42
43 #include <asm/arch/pxa-regs.h>
44 #include <asm/arch/pxa2xx-regs.h>
45 #include <asm/arch/mfp-pxa27x.h>
46 #include <asm/arch/mainstone.h>
47 #include <asm/arch/audio.h>
48 #include <asm/arch/pxafb.h>
49 #include <asm/arch/i2c.h>
50 #include <asm/arch/mmc.h>
51 #include <asm/arch/irda.h>
52 #include <asm/arch/ohci.h>
53 #include <asm/arch/pxa27x_keypad.h>
54
55 #include "generic.h"
56 #include "devices.h"
57
58 static unsigned long mainstone_pin_config[] = {
59         /* Chip Select */
60         GPIO15_nCS_1,
61
62         /* LCD - 16bpp Active TFT */
63         GPIO58_LCD_LDD_0,
64         GPIO59_LCD_LDD_1,
65         GPIO60_LCD_LDD_2,
66         GPIO61_LCD_LDD_3,
67         GPIO62_LCD_LDD_4,
68         GPIO63_LCD_LDD_5,
69         GPIO64_LCD_LDD_6,
70         GPIO65_LCD_LDD_7,
71         GPIO66_LCD_LDD_8,
72         GPIO67_LCD_LDD_9,
73         GPIO68_LCD_LDD_10,
74         GPIO69_LCD_LDD_11,
75         GPIO70_LCD_LDD_12,
76         GPIO71_LCD_LDD_13,
77         GPIO72_LCD_LDD_14,
78         GPIO73_LCD_LDD_15,
79         GPIO74_LCD_FCLK,
80         GPIO75_LCD_LCLK,
81         GPIO76_LCD_PCLK,
82         GPIO77_LCD_BIAS,
83         GPIO16_PWM0_OUT,        /* Backlight */
84
85         /* MMC */
86         GPIO32_MMC_CLK,
87         GPIO112_MMC_CMD,
88         GPIO92_MMC_DAT_0,
89         GPIO109_MMC_DAT_1,
90         GPIO110_MMC_DAT_2,
91         GPIO111_MMC_DAT_3,
92
93         /* USB Host Port 1 */
94         GPIO88_USBH1_PWR,
95         GPIO89_USBH1_PEN,
96
97         /* PC Card */
98         GPIO48_nPOE,
99         GPIO49_nPWE,
100         GPIO50_nPIOR,
101         GPIO51_nPIOW,
102         GPIO85_nPCE_1,
103         GPIO54_nPCE_2,
104         GPIO79_PSKTSEL,
105         GPIO55_nPREG,
106         GPIO56_nPWAIT,
107         GPIO57_nIOIS16,
108
109         /* AC97 */
110         GPIO45_AC97_SYSCLK,
111
112         /* Keypad */
113         GPIO93_KP_DKIN_0,
114         GPIO94_KP_DKIN_1,
115         GPIO95_KP_DKIN_2,
116         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
117         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
118         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
119         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
120         GPIO98_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
121         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
122         GPIO103_KP_MKOUT_0,
123         GPIO104_KP_MKOUT_1,
124         GPIO105_KP_MKOUT_2,
125         GPIO106_KP_MKOUT_3,
126         GPIO107_KP_MKOUT_4,
127         GPIO108_KP_MKOUT_5,
128         GPIO96_KP_MKOUT_6,
129
130         /* GPIO */
131         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
132 };
133
134 static unsigned long mainstone_irq_enabled;
135
136 static void mainstone_mask_irq(unsigned int irq)
137 {
138         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
139         MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
140 }
141
142 static void mainstone_unmask_irq(unsigned int irq)
143 {
144         int mainstone_irq = (irq - MAINSTONE_IRQ(0));
145         /* the irq can be acknowledged only if deasserted, so it's done here */
146         MST_INTSETCLR &= ~(1 << mainstone_irq);
147         MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
148 }
149
150 static struct irq_chip mainstone_irq_chip = {
151         .name           = "FPGA",
152         .ack            = mainstone_mask_irq,
153         .mask           = mainstone_mask_irq,
154         .unmask         = mainstone_unmask_irq,
155 };
156
157 static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
158 {
159         unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
160         do {
161                 GEDR(0) = GPIO_bit(0);  /* clear useless edge notification */
162                 if (likely(pending)) {
163                         irq = MAINSTONE_IRQ(0) + __ffs(pending);
164                         desc = irq_desc + irq;
165                         desc_handle_irq(irq, desc);
166                 }
167                 pending = MST_INTSETCLR & mainstone_irq_enabled;
168         } while (pending);
169 }
170
171 static void __init mainstone_init_irq(void)
172 {
173         int irq;
174
175         pxa27x_init_irq();
176
177         /* setup extra Mainstone irqs */
178         for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
179                 set_irq_chip(irq, &mainstone_irq_chip);
180                 set_irq_handler(irq, handle_level_irq);
181                 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
182                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
183                 else
184                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
185         }
186         set_irq_flags(MAINSTONE_IRQ(8), 0);
187         set_irq_flags(MAINSTONE_IRQ(12), 0);
188
189         MST_INTMSKENA = 0;
190         MST_INTSETCLR = 0;
191
192         set_irq_chained_handler(IRQ_GPIO(0), mainstone_irq_handler);
193         set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
194 }
195
196 #ifdef CONFIG_PM
197
198 static int mainstone_irq_resume(struct sys_device *dev)
199 {
200         MST_INTMSKENA = mainstone_irq_enabled;
201         return 0;
202 }
203
204 static struct sysdev_class mainstone_irq_sysclass = {
205         .name = "cpld_irq",
206         .resume = mainstone_irq_resume,
207 };
208
209 static struct sys_device mainstone_irq_device = {
210         .cls = &mainstone_irq_sysclass,
211 };
212
213 static int __init mainstone_irq_device_init(void)
214 {
215         int ret = -ENODEV;
216
217         if (machine_is_mainstone()) {
218                 ret = sysdev_class_register(&mainstone_irq_sysclass);
219                 if (ret == 0)
220                         ret = sysdev_register(&mainstone_irq_device);
221         }
222         return ret;
223 }
224
225 device_initcall(mainstone_irq_device_init);
226
227 #endif
228
229
230 static struct resource smc91x_resources[] = {
231         [0] = {
232                 .start  = (MST_ETH_PHYS + 0x300),
233                 .end    = (MST_ETH_PHYS + 0xfffff),
234                 .flags  = IORESOURCE_MEM,
235         },
236         [1] = {
237                 .start  = MAINSTONE_IRQ(3),
238                 .end    = MAINSTONE_IRQ(3),
239                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
240         }
241 };
242
243 static struct platform_device smc91x_device = {
244         .name           = "smc91x",
245         .id             = 0,
246         .num_resources  = ARRAY_SIZE(smc91x_resources),
247         .resource       = smc91x_resources,
248 };
249
250 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
251 {
252         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
253                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
254         return 0;
255 }
256
257 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
258 {
259         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
260                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
261 }
262
263 static long mst_audio_suspend_mask;
264
265 static void mst_audio_suspend(void *priv)
266 {
267         mst_audio_suspend_mask = MST_MSCWR2;
268         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
269 }
270
271 static void mst_audio_resume(void *priv)
272 {
273         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
274 }
275
276 static pxa2xx_audio_ops_t mst_audio_ops = {
277         .startup        = mst_audio_startup,
278         .shutdown       = mst_audio_shutdown,
279         .suspend        = mst_audio_suspend,
280         .resume         = mst_audio_resume,
281 };
282
283 static struct resource flash_resources[] = {
284         [0] = {
285                 .start  = PXA_CS0_PHYS,
286                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
287                 .flags  = IORESOURCE_MEM,
288         },
289         [1] = {
290                 .start  = PXA_CS1_PHYS,
291                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
292                 .flags  = IORESOURCE_MEM,
293         },
294 };
295
296 static struct mtd_partition mainstoneflash0_partitions[] = {
297         {
298                 .name =         "Bootloader",
299                 .size =         0x00040000,
300                 .offset =       0,
301                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
302         },{
303                 .name =         "Kernel",
304                 .size =         0x00400000,
305                 .offset =       0x00040000,
306         },{
307                 .name =         "Filesystem",
308                 .size =         MTDPART_SIZ_FULL,
309                 .offset =       0x00440000
310         }
311 };
312
313 static struct flash_platform_data mst_flash_data[2] = {
314         {
315                 .map_name       = "cfi_probe",
316                 .parts          = mainstoneflash0_partitions,
317                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
318         }, {
319                 .map_name       = "cfi_probe",
320                 .parts          = NULL,
321                 .nr_parts       = 0,
322         }
323 };
324
325 static struct platform_device mst_flash_device[2] = {
326         {
327                 .name           = "pxa2xx-flash",
328                 .id             = 0,
329                 .dev = {
330                         .platform_data = &mst_flash_data[0],
331                 },
332                 .resource = &flash_resources[0],
333                 .num_resources = 1,
334         },
335         {
336                 .name           = "pxa2xx-flash",
337                 .id             = 1,
338                 .dev = {
339                         .platform_data = &mst_flash_data[1],
340                 },
341                 .resource = &flash_resources[1],
342                 .num_resources = 1,
343         },
344 };
345
346 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
347 static struct platform_pwm_backlight_data mainstone_backlight_data = {
348         .pwm_id         = 0,
349         .max_brightness = 1023,
350         .dft_brightness = 1023,
351         .pwm_period_ns  = 78770,
352 };
353
354 static struct platform_device mainstone_backlight_device = {
355         .name           = "pwm-backlight",
356         .dev            = {
357                 .parent = &pxa27x_device_pwm0.dev,
358                 .platform_data = &mainstone_backlight_data,
359         },
360 };
361
362 static void __init mainstone_backlight_register(void)
363 {
364         int ret = platform_device_register(&mainstone_backlight_device);
365         if (ret)
366                 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
367 }
368 #else
369 #define mainstone_backlight_register()  do { } while (0)
370 #endif
371
372 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
373         .pixclock               = 50000,
374         .xres                   = 640,
375         .yres                   = 480,
376         .bpp                    = 16,
377         .hsync_len              = 1,
378         .left_margin            = 0x9f,
379         .right_margin           = 1,
380         .vsync_len              = 44,
381         .upper_margin           = 0,
382         .lower_margin           = 0,
383         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
384 };
385
386 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
387         .pixclock               = 110000,
388         .xres                   = 240,
389         .yres                   = 320,
390         .bpp                    = 16,
391         .hsync_len              = 4,
392         .left_margin            = 8,
393         .right_margin           = 20,
394         .vsync_len              = 3,
395         .upper_margin           = 1,
396         .lower_margin           = 10,
397         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
398 };
399
400 static struct pxafb_mach_info mainstone_pxafb_info = {
401         .num_modes              = 1,
402         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
403 };
404
405 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
406 {
407         int err;
408
409         /* make sure SD/Memory Stick multiplexer's signals
410          * are routed to MMC controller
411          */
412         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
413
414         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
415                              "MMC card detect", data);
416         if (err)
417                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
418
419         return err;
420 }
421
422 static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
423 {
424         struct pxamci_platform_data* p_d = dev->platform_data;
425
426         if (( 1 << vdd) & p_d->ocr_mask) {
427                 printk(KERN_DEBUG "%s: on\n", __func__);
428                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
429                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
430         } else {
431                 printk(KERN_DEBUG "%s: off\n", __func__);
432                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
433         }
434 }
435
436 static void mainstone_mci_exit(struct device *dev, void *data)
437 {
438         free_irq(MAINSTONE_MMC_IRQ, data);
439 }
440
441 static struct pxamci_platform_data mainstone_mci_platform_data = {
442         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
443         .init           = mainstone_mci_init,
444         .setpower       = mainstone_mci_setpower,
445         .exit           = mainstone_mci_exit,
446 };
447
448 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
449 {
450         unsigned long flags;
451
452         local_irq_save(flags);
453         if (mode & IR_SIRMODE) {
454                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
455         } else if (mode & IR_FIRMODE) {
456                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
457         }
458         pxa2xx_transceiver_mode(dev, mode);
459         if (mode & IR_OFF) {
460                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
461         } else {
462                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
463         }
464         local_irq_restore(flags);
465 }
466
467 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
468         .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
469         .transceiver_mode = mainstone_irda_transceiver_mode,
470 };
471
472 static struct gpio_keys_button gpio_keys_button[] = {
473         [0] = {
474                 .desc   = "wakeup",
475                 .code   = KEY_SUSPEND,
476                 .type   = EV_KEY,
477                 .gpio   = 1,
478                 .wakeup = 1,
479         },
480 };
481
482 static struct gpio_keys_platform_data mainstone_gpio_keys = {
483         .buttons        = gpio_keys_button,
484         .nbuttons       = 1,
485 };
486
487 static struct platform_device mst_gpio_keys_device = {
488         .name           = "gpio-keys",
489         .id             = -1,
490         .dev            = {
491                 .platform_data  = &mainstone_gpio_keys,
492         },
493 };
494
495 static struct platform_device *platform_devices[] __initdata = {
496         &smc91x_device,
497         &mst_flash_device[0],
498         &mst_flash_device[1],
499         &mst_gpio_keys_device,
500 };
501
502 static int mainstone_ohci_init(struct device *dev)
503 {
504         /* Set the Power Control Polarity Low and Power Sense
505            Polarity Low to active low. */
506         UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
507                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
508
509         return 0;
510 }
511
512 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
513         .port_mode      = PMM_PERPORT_MODE,
514         .init           = mainstone_ohci_init,
515 };
516
517 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
518 static unsigned int mainstone_matrix_keys[] = {
519         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
520         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
521         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
522         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
523         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
524         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
525         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
526         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
527         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
528
529         KEY(0, 4, KEY_DOT),     /* . */
530         KEY(1, 4, KEY_CLOSE),   /* @ */
531         KEY(4, 4, KEY_SLASH),
532         KEY(5, 4, KEY_BACKSLASH),
533         KEY(0, 5, KEY_HOME),
534         KEY(1, 5, KEY_LEFTSHIFT),
535         KEY(2, 5, KEY_SPACE),
536         KEY(3, 5, KEY_SPACE),
537         KEY(4, 5, KEY_ENTER),
538         KEY(5, 5, KEY_BACKSPACE),
539
540         KEY(0, 6, KEY_UP),
541         KEY(1, 6, KEY_DOWN),
542         KEY(2, 6, KEY_LEFT),
543         KEY(3, 6, KEY_RIGHT),
544         KEY(4, 6, KEY_SELECT),
545 };
546
547 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
548         .matrix_key_rows        = 6,
549         .matrix_key_cols        = 7,
550         .matrix_key_map         = mainstone_matrix_keys,
551         .matrix_key_map_size    = ARRAY_SIZE(mainstone_matrix_keys),
552
553         .enable_rotary0         = 1,
554         .rotary0_up_key         = KEY_UP,
555         .rotary0_down_key       = KEY_DOWN,
556
557         .debounce_interval      = 30,
558 };
559
560 static void __init mainstone_init_keypad(void)
561 {
562         pxa_set_keypad_info(&mainstone_keypad_info);
563 }
564 #else
565 static inline void mainstone_init_keypad(void) {}
566 #endif
567
568 static void __init mainstone_init(void)
569 {
570         int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
571
572         pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
573
574         mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
575         mst_flash_data[1].width = 4;
576
577         /* Compensate for SW7 which swaps the flash banks */
578         mst_flash_data[SW7].name = "processor-flash";
579         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
580
581         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
582                mst_flash_data[0].name);
583
584         /* system bus arbiter setting
585          * - Core_Park
586          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
587          */
588         ARB_CNTRL = ARB_CORE_PARK | 0x234;
589
590         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
591
592         /* reading Mainstone's "Virtual Configuration Register"
593            might be handy to select LCD type here */
594         if (0)
595                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
596         else
597                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
598
599         set_pxa_fb_info(&mainstone_pxafb_info);
600         mainstone_backlight_register();
601
602         pxa_set_mci_info(&mainstone_mci_platform_data);
603         pxa_set_ficp_info(&mainstone_ficp_platform_data);
604         pxa_set_ohci_info(&mainstone_ohci_platform_data);
605         pxa_set_i2c_info(NULL);
606         pxa_set_ac97_info(&mst_audio_ops);
607
608         mainstone_init_keypad();
609 }
610
611
612 static struct map_desc mainstone_io_desc[] __initdata = {
613         {       /* CPLD */
614                 .virtual        =  MST_FPGA_VIRT,
615                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
616                 .length         = 0x00100000,
617                 .type           = MT_DEVICE
618         }
619 };
620
621 static void __init mainstone_map_io(void)
622 {
623         pxa_map_io();
624         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
625
626         /*      for use I SRAM as framebuffer.  */
627         PSLR |= 0xF04;
628         PCFR = 0x66;
629 }
630
631 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
632         /* Maintainer: MontaVista Software Inc. */
633         .phys_io        = 0x40000000,
634         .boot_params    = 0xa0000100,   /* BLOB boot parameter setting */
635         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
636         .map_io         = mainstone_map_io,
637         .init_irq       = mainstone_init_irq,
638         .timer          = &pxa_timer,
639         .init_machine   = mainstone_init,
640 MACHINE_END