Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-2.6] / arch / arm / mach-pxa / trizeps4.c
1 /*
2  *  linux/arch/arm/mach-pxa/trizeps4.c
3  *
4  *  Support for the Keith und Koep Trizeps4 Module Platform.
5  *
6  *  Author:     Jürgen Schindele
7  *  Created:    20 02, 2006
8  *  Copyright:  Jürgen Schindele
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
15 #include <linux/init.h>
16 #include <linux/kernel.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/delay.h>
25 #include <linux/serial_8250.h>
26 #include <linux/mtd/mtd.h>
27 #include <linux/mtd/physmap.h>
28 #include <linux/mtd/partitions.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/trizeps4.h>
45 #include <asm/arch/audio.h>
46 #include <asm/arch/pxafb.h>
47 #include <asm/arch/mmc.h>
48 #include <asm/arch/irda.h>
49 #include <asm/arch/ohci.h>
50
51 #include "generic.h"
52
53 /********************************************************************************************
54  * ONBOARD FLASH
55  ********************************************************************************************/
56 static struct mtd_partition trizeps4_partitions[] = {
57         {
58                 .name =         "Bootloader",
59                 .offset =       0x00000000,
60                 .size =         0x00040000,
61                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
62         },{
63                 .name =         "Backup",
64                 .offset =       0x00040000,
65                 .size =         0x00040000,
66         },{
67                 .name =         "Image",
68                 .offset =       0x00080000,
69                 .size =         0x01080000,
70         },{
71                 .name =         "IPSM",
72                 .offset =       0x01100000,
73                 .size =         0x00e00000,
74         },{
75                 .name =         "Registry",
76                 .offset =       0x01f00000,
77                 .size =         MTDPART_SIZ_FULL,
78         }
79 };
80
81 static struct physmap_flash_data trizeps4_flash_data[] = {
82         {
83                 .width          = 4,                    /* bankwidth in bytes */
84                 .parts          = trizeps4_partitions,
85                 .nr_parts       = ARRAY_SIZE(trizeps4_partitions)
86         }
87 };
88
89 static struct resource flash_resource = {
90         .start  = PXA_CS0_PHYS,
91         .end    = PXA_CS0_PHYS + SZ_32M - 1,
92         .flags  = IORESOURCE_MEM,
93 };
94
95 static struct platform_device flash_device = {
96         .name           = "physmap-flash",
97         .id             = 0,
98         .dev = {
99                 .platform_data = trizeps4_flash_data,
100         },
101         .resource = &flash_resource,
102         .num_resources = 1,
103 };
104
105 /********************************************************************************************
106  * DAVICOM DM9000 Ethernet
107  ********************************************************************************************/
108 static struct resource dm9000_resources[] = {
109         [0] = {
110                 .start  = TRIZEPS4_ETH_PHYS+0x300,
111                 .end    = TRIZEPS4_ETH_PHYS+0x400-1,
112                 .flags  = IORESOURCE_MEM,
113         },
114         [1] = {
115                 .start  = TRIZEPS4_ETH_PHYS+0x8300,
116                 .end    = TRIZEPS4_ETH_PHYS+0x8400-1,
117                 .flags  = IORESOURCE_MEM,
118         },
119         [2] = {
120                 .start  = TRIZEPS4_ETH_IRQ,
121                 .end    = TRIZEPS4_ETH_IRQ,
122                 .flags  = (IORESOURCE_IRQ | IRQT_RISING),
123         },
124 };
125
126 static struct platform_device dm9000_device = {
127         .name           = "dm9000",
128         .id             = -1,
129         .num_resources  = ARRAY_SIZE(dm9000_resources),
130         .resource       = dm9000_resources,
131 };
132
133 /********************************************************************************************
134  * PXA270 serial ports
135  ********************************************************************************************/
136 static struct plat_serial8250_port tri_serial_ports[] = {
137 #ifdef CONFIG_SERIAL_PXA
138         /* this uses the own PXA driver */
139         {
140                 0,
141         },
142 #else
143         /* this uses the generic 8520 driver */
144         [0] = {
145                 .membase        = (void *)&FFUART,
146                 .irq            = IRQ_FFUART,
147                 .flags          = UPF_BOOT_AUTOCONF,
148                 .iotype         = UPIO_MEM32,
149                 .regshift       = 2,
150                 .uartclk        = (921600*16),
151         },
152         [1] = {
153                 .membase        = (void *)&BTUART,
154                 .irq            = IRQ_BTUART,
155                 .flags          = UPF_BOOT_AUTOCONF,
156                 .iotype         = UPIO_MEM32,
157                 .regshift       = 2,
158                 .uartclk        = (921600*16),
159         },
160         {
161                 0,
162         },
163 #endif
164 };
165
166 static struct platform_device uart_devices = {
167         .name           = "serial8250",
168         .id             = 0,
169         .dev            = {
170                 .platform_data  = tri_serial_ports,
171         },
172         .num_resources  = 0,
173         .resource       = NULL,
174 };
175
176 /********************************************************************************************
177  * PXA270 ac97 sound codec
178  ********************************************************************************************/
179 static struct platform_device ac97_audio_device = {
180         .name           = "pxa2xx-ac97",
181         .id             = -1,
182 };
183
184 static struct platform_device * trizeps4_devices[] __initdata = {
185         &flash_device,
186         &uart_devices,
187         &dm9000_device,
188         &ac97_audio_device,
189 };
190
191 #ifdef CONFIG_MACH_TRIZEPS4_CONXS
192 static short trizeps_conxs_bcr;
193
194 /* PCCARD power switching supports only 3,3V */
195 void board_pcmcia_power(int power)
196 {
197         if (power) {
198                 /* switch power on, put in reset and enable buffers */
199                 trizeps_conxs_bcr |= power;
200                 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
201                 trizeps_conxs_bcr &= ~(ConXS_BCR_CF_BUF_EN);
202                 ConXS_BCR = trizeps_conxs_bcr;
203                 /* wait a little */
204                 udelay(2000);
205                 /* take reset away */
206                 trizeps_conxs_bcr &= ~(ConXS_BCR_CF_RESET);
207                 ConXS_BCR = trizeps_conxs_bcr;
208                 udelay(2000);
209         } else {
210                 /* put in reset */
211                 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
212                 ConXS_BCR = trizeps_conxs_bcr;
213                 udelay(1000);
214                 /* switch power off */
215                 trizeps_conxs_bcr &= ~(0xf);
216                 ConXS_BCR = trizeps_conxs_bcr;
217
218         }
219         pr_debug("%s: o%s 0x%x\n", __FUNCTION__, power ? "n": "ff", trizeps_conxs_bcr);
220 }
221
222 /* backlight power switching for LCD panel */
223 static void board_backlight_power(int on)
224 {
225         if (on) {
226                 trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
227         } else {
228                 trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
229         }
230         pr_debug("%s: o%s 0x%x\n", __FUNCTION__, on ? "n" : "ff", trizeps_conxs_bcr);
231         ConXS_BCR = trizeps_conxs_bcr;
232 }
233
234 /* Powersupply for MMC/SD cardslot */
235 static void board_mci_power(struct device *dev, unsigned int vdd)
236 {
237         struct pxamci_platform_data* p_d = dev->platform_data;
238
239         if (( 1 << vdd) & p_d->ocr_mask) {
240                 pr_debug("%s: on\n", __FUNCTION__);
241                 /* FIXME fill in values here */
242         } else {
243                 pr_debug("%s: off\n", __FUNCTION__);
244                 /* FIXME fill in values here */
245         }
246 }
247
248 static short trizeps_conxs_ircr;
249
250 /* Switch modes and Power for IRDA receiver */
251 static void board_irda_mode(struct device *dev, int mode)
252 {
253         unsigned long flags;
254
255         local_irq_save(flags);
256         if (mode & IR_SIRMODE) {
257                 /* Slow mode */
258                 trizeps_conxs_ircr &= ~ConXS_IRCR_MODE;
259         } else if (mode & IR_FIRMODE) {
260                 /* Fast mode */
261                 trizeps_conxs_ircr |= ConXS_IRCR_MODE;
262         }
263         if (mode & IR_OFF) {
264                 trizeps_conxs_ircr |= ConXS_IRCR_SD;
265         } else {
266                 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
267         }
268         /* FIXME write values to register */
269         local_irq_restore(flags);
270 }
271
272 #else
273 /* for other baseboards define dummies */
274 void board_pcmcia_power(int power)      {;}
275 #define board_backlight_power           NULL
276 #define board_mci_power                 NULL
277 #define board_irda_mode                 NULL
278
279 #endif          /* CONFIG_MACH_TRIZEPS4_CONXS */
280 EXPORT_SYMBOL(board_pcmcia_power);
281
282 static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, void *data)
283 {
284         int err;
285         /* setup GPIO for PXA27x MMC controller */
286         pxa_gpio_mode(GPIO32_MMCCLK_MD);
287         pxa_gpio_mode(GPIO112_MMCCMD_MD);
288         pxa_gpio_mode(GPIO92_MMCDAT0_MD);
289         pxa_gpio_mode(GPIO109_MMCDAT1_MD);
290         pxa_gpio_mode(GPIO110_MMCDAT2_MD);
291         pxa_gpio_mode(GPIO111_MMCDAT3_MD);
292
293         pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
294
295         err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
296                           IRQF_DISABLED | IRQF_TRIGGER_RISING,
297                           "MMC card detect", data);
298         if (err) {
299                 printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
300                 return -1;
301         }
302         return 0;
303 }
304
305 static void trizeps4_mci_exit(struct device *dev, void *data)
306 {
307         free_irq(TRIZEPS4_MMC_IRQ, data);
308 }
309
310 static struct pxamci_platform_data trizeps4_mci_platform_data = {
311         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
312         .init           = trizeps4_mci_init,
313         .exit           = trizeps4_mci_exit,
314         .setpower       = board_mci_power,
315 };
316
317 static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
318         .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
319         .transceiver_mode = board_irda_mode,
320 };
321
322 static int trizeps4_ohci_init(struct device *dev)
323 {
324         /* setup Port1 GPIO pin. */
325         pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN);  /* USBHPWR1 */
326         pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
327
328         /* Set the Power Control Polarity Low and Power Sense
329            Polarity Low to active low. */
330         UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
331                 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
332
333         return 0;
334 }
335
336 static void trizeps4_ohci_exit(struct device *dev)
337 {
338         ;
339 }
340
341 static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
342         .port_mode      = PMM_PERPORT_MODE,
343         .init           = trizeps4_ohci_init,
344         .exit           = trizeps4_ohci_exit,
345 };
346
347 static struct map_desc trizeps4_io_desc[] __initdata = {
348         {       /* ConXS CFSR */
349                 .virtual        = TRIZEPS4_CFSR_VIRT,
350                 .pfn            = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
351                 .length         = 0x00001000,
352                 .type           = MT_DEVICE
353         },
354         {       /* ConXS BCR */
355                 .virtual        = TRIZEPS4_BOCR_VIRT,
356                 .pfn            = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
357                 .length         = 0x00001000,
358                 .type           = MT_DEVICE
359         },
360         {       /* ConXS IRCR */
361                 .virtual        = TRIZEPS4_IRCR_VIRT,
362                 .pfn            = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
363                 .length         = 0x00001000,
364                 .type           = MT_DEVICE
365         },
366         {       /* ConXS DCR */
367                 .virtual        = TRIZEPS4_DICR_VIRT,
368                 .pfn            = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
369                 .length         = 0x00001000,
370                 .type           = MT_DEVICE
371         },
372         {       /* ConXS UPSR */
373                 .virtual        = TRIZEPS4_UPSR_VIRT,
374                 .pfn            = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
375                 .length         = 0x00001000,
376                 .type           = MT_DEVICE
377         }
378 };
379
380 static struct pxafb_mode_info sharp_lcd_mode = {
381     .pixclock           = 78000,
382     .xres               = 640,
383     .yres               = 480,
384     .bpp                = 8,
385     .hsync_len          = 4,
386     .left_margin        = 4,
387     .right_margin       = 4,
388     .vsync_len          = 2,
389     .upper_margin       = 0,
390     .lower_margin       = 0,
391     .sync               = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
392     .cmap_greyscale     = 0,
393 };
394
395 static struct pxafb_mach_info sharp_lcd = {
396     .modes              = &sharp_lcd_mode,
397     .num_modes  = 1,
398     .cmap_inverse       = 0,
399     .cmap_static        = 0,
400     .lccr0              = LCCR0_Color | LCCR0_Pas | LCCR0_Dual,
401     .lccr3              = 0x0340ff02,
402     .pxafb_backlight_power = board_backlight_power,
403 };
404
405 static struct pxafb_mode_info toshiba_lcd_mode = {
406     .pixclock           = 39720,
407     .xres               = 640,
408     .yres               = 480,
409     .bpp                = 8,
410     .hsync_len          = 63,
411     .left_margin        = 12,
412     .right_margin       = 12,
413     .vsync_len          = 4,
414     .upper_margin       = 32,
415     .lower_margin       = 10,
416     .sync               = 0,
417     .cmap_greyscale     = 0,
418 };
419
420 static struct pxafb_mach_info toshiba_lcd = {
421     .modes              = &toshiba_lcd_mode,
422     .num_modes  = 1,
423     .cmap_inverse       = 0,
424     .cmap_static        = 0,
425     .lccr0              = LCCR0_Color | LCCR0_Act,
426     .lccr3              = 0x03400002,
427     .pxafb_backlight_power = board_backlight_power,
428 };
429
430 static void __init trizeps4_init(void)
431 {
432         platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices));
433
434 /*      set_pxa_fb_info(&sharp_lcd); */
435         set_pxa_fb_info(&toshiba_lcd);
436
437         pxa_set_mci_info(&trizeps4_mci_platform_data);
438         pxa_set_ficp_info(&trizeps4_ficp_platform_data);
439         pxa_set_ohci_info(&trizeps4_ohci_platform_data);
440 }
441
442 static void __init trizeps4_map_io(void)
443 {
444         pxa_map_io();
445         iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
446
447         /* for DiskOnChip */
448         pxa_gpio_mode(GPIO15_nCS_1_MD);
449
450         /* for off-module PIC on ConXS board */
451         pxa_gpio_mode(GPIO_PIC | GPIO_IN);
452
453         /* UCB1400 irq */
454         pxa_gpio_mode(GPIO_UCB1400 | GPIO_IN);
455
456         /* for DM9000 LAN */
457         pxa_gpio_mode(GPIO78_nCS_2_MD);
458         pxa_gpio_mode(GPIO_DM9000 | GPIO_IN);
459
460         /* for PCMCIA device */
461         pxa_gpio_mode(GPIO_PCD | GPIO_IN);
462         pxa_gpio_mode(GPIO_PRDY | GPIO_IN);
463
464         /* for I2C adapter */
465         pxa_gpio_mode(GPIO117_I2CSCL_MD);
466         pxa_gpio_mode(GPIO118_I2CSDA_MD);
467
468         /* MMC_DET s.o. */
469         pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
470
471         /* whats that for ??? */
472         pxa_gpio_mode(GPIO79_nCS_3_MD);
473
474 #ifdef CONFIG_LEDS
475         pxa_gpio_mode( GPIO_SYS_BUSY_LED  | GPIO_OUT);          /* LED1 */
476         pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT);          /* LED2 */
477 #endif
478 #ifdef CONFIG_MACH_TRIZEPS4_CONXS
479 #ifdef CONFIG_IDE_PXA_CF
480         /* if boot direct from compact flash dont disable power */
481         trizeps_conxs_bcr = 0x0009;
482 #else
483         /* this is the reset value */
484         trizeps_conxs_bcr = 0x00A0;
485 #endif
486         ConXS_BCR = trizeps_conxs_bcr;
487 #endif
488
489         PWER  = 0x00000002;
490         PFER  = 0x00000000;
491         PRER  = 0x00000002;
492         PGSR0 = 0x0158C000;
493         PGSR1 = 0x00FF0080;
494         PGSR2 = 0x0001C004;
495         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
496         PCFR |= PCFR_OPDE;
497 }
498
499 MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
500         /* MAINTAINER("Jürgen Schindele") */
501         .phys_io        = 0x40000000,
502         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
503         .boot_params    = TRIZEPS4_SDRAM_BASE + 0x100,
504         .init_machine   = trizeps4_init,
505         .map_io         = trizeps4_map_io,
506         .init_irq       = pxa_init_irq,
507         .timer          = &pxa_timer,
508 MACHINE_END
509