Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
[linux-2.6.git] / arch / arm / mach-omap1 / board-h3.c
1 /*
2  * linux/arch/arm/mach-omap1/board-h3.c
3  *
4  * This file contains OMAP1710 H3 specific code.
5  *
6  * Copyright (C) 2004 Texas Instruments, Inc.
7  * Copyright (C) 2002 MontaVista Software, Inc.
8  * Copyright (C) 2001 RidgeRun, Inc.
9  * Author: RidgeRun, Inc.
10  *         Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License version 2 as
14  * published by the Free Software Foundation.
15  */
16
17 #include <linux/types.h>
18 #include <linux/init.h>
19 #include <linux/major.h>
20 #include <linux/kernel.h>
21 #include <linux/platform_device.h>
22 #include <linux/errno.h>
23 #include <linux/workqueue.h>
24 #include <linux/i2c.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/nand.h>
27 #include <linux/mtd/partitions.h>
28 #include <linux/input.h>
29
30 #include <asm/setup.h>
31 #include <asm/page.h>
32 #include <asm/hardware.h>
33 #include <asm/gpio.h>
34
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/flash.h>
38 #include <asm/mach/map.h>
39
40 #include <asm/arch/tps65010.h>
41 #include <asm/arch/gpioexpander.h>
42 #include <asm/arch/irqs.h>
43 #include <asm/arch/mux.h>
44 #include <asm/arch/tc.h>
45 #include <asm/arch/irda.h>
46 #include <asm/arch/usb.h>
47 #include <asm/arch/keypad.h>
48 #include <asm/arch/dma.h>
49 #include <asm/arch/common.h>
50 #include <asm/arch/mcbsp.h>
51 #include <asm/arch/omap-alsa.h>
52
53 extern int omap_gpio_init(void);
54
55 static int h3_keymap[] = {
56         KEY(0, 0, KEY_LEFT),
57         KEY(0, 1, KEY_RIGHT),
58         KEY(0, 2, KEY_3),
59         KEY(0, 3, KEY_F10),
60         KEY(0, 4, KEY_F5),
61         KEY(0, 5, KEY_9),
62         KEY(1, 0, KEY_DOWN),
63         KEY(1, 1, KEY_UP),
64         KEY(1, 2, KEY_2),
65         KEY(1, 3, KEY_F9),
66         KEY(1, 4, KEY_F7),
67         KEY(1, 5, KEY_0),
68         KEY(2, 0, KEY_ENTER),
69         KEY(2, 1, KEY_6),
70         KEY(2, 2, KEY_1),
71         KEY(2, 3, KEY_F2),
72         KEY(2, 4, KEY_F6),
73         KEY(2, 5, KEY_HOME),
74         KEY(3, 0, KEY_8),
75         KEY(3, 1, KEY_5),
76         KEY(3, 2, KEY_F12),
77         KEY(3, 3, KEY_F3),
78         KEY(3, 4, KEY_F8),
79         KEY(3, 5, KEY_END),
80         KEY(4, 0, KEY_7),
81         KEY(4, 1, KEY_4),
82         KEY(4, 2, KEY_F11),
83         KEY(4, 3, KEY_F1),
84         KEY(4, 4, KEY_F4),
85         KEY(4, 5, KEY_ESC),
86         KEY(5, 0, KEY_F13),
87         KEY(5, 1, KEY_F14),
88         KEY(5, 2, KEY_F15),
89         KEY(5, 3, KEY_F16),
90         KEY(5, 4, KEY_SLEEP),
91         0
92 };
93
94
95 static struct mtd_partition nor_partitions[] = {
96         /* bootloader (U-Boot, etc) in first sector */
97         {
98               .name             = "bootloader",
99               .offset           = 0,
100               .size             = SZ_128K,
101               .mask_flags       = MTD_WRITEABLE, /* force read-only */
102         },
103         /* bootloader params in the next sector */
104         {
105               .name             = "params",
106               .offset           = MTDPART_OFS_APPEND,
107               .size             = SZ_128K,
108               .mask_flags       = 0,
109         },
110         /* kernel */
111         {
112               .name             = "kernel",
113               .offset           = MTDPART_OFS_APPEND,
114               .size             = SZ_2M,
115               .mask_flags       = 0
116         },
117         /* file system */
118         {
119               .name             = "filesystem",
120               .offset           = MTDPART_OFS_APPEND,
121               .size             = MTDPART_SIZ_FULL,
122               .mask_flags       = 0
123         }
124 };
125
126 static struct flash_platform_data nor_data = {
127         .map_name       = "cfi_probe",
128         .width          = 2,
129         .parts          = nor_partitions,
130         .nr_parts       = ARRAY_SIZE(nor_partitions),
131 };
132
133 static struct resource nor_resource = {
134         /* This is on CS3, wherever it's mapped */
135         .flags          = IORESOURCE_MEM,
136 };
137
138 static struct platform_device nor_device = {
139         .name           = "omapflash",
140         .id             = 0,
141         .dev            = {
142                 .platform_data  = &nor_data,
143         },
144         .num_resources  = 1,
145         .resource       = &nor_resource,
146 };
147
148 static struct mtd_partition nand_partitions[] = {
149 #if 0
150         /* REVISIT: enable these partitions if you make NAND BOOT work */
151         {
152                 .name           = "xloader",
153                 .offset         = 0,
154                 .size           = 64 * 1024,
155                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
156         },
157         {
158                 .name           = "bootloader",
159                 .offset         = MTDPART_OFS_APPEND,
160                 .size           = 256 * 1024,
161                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
162         },
163         {
164                 .name           = "params",
165                 .offset         = MTDPART_OFS_APPEND,
166                 .size           = 192 * 1024,
167         },
168         {
169                 .name           = "kernel",
170                 .offset         = MTDPART_OFS_APPEND,
171                 .size           = 2 * SZ_1M,
172         },
173 #endif
174         {
175                 .name           = "filesystem",
176                 .size           = MTDPART_SIZ_FULL,
177                 .offset         = MTDPART_OFS_APPEND,
178         },
179 };
180
181 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
182 static struct nand_platform_data nand_data = {
183         .options        = NAND_SAMSUNG_LP_OPTIONS,
184         .parts          = nand_partitions,
185         .nr_parts       = ARRAY_SIZE(nand_partitions),
186 };
187
188 static struct resource nand_resource = {
189         .flags          = IORESOURCE_MEM,
190 };
191
192 static struct platform_device nand_device = {
193         .name           = "omapnand",
194         .id             = 0,
195         .dev            = {
196                 .platform_data  = &nand_data,
197         },
198         .num_resources  = 1,
199         .resource       = &nand_resource,
200 };
201
202 static struct resource smc91x_resources[] = {
203         [0] = {
204                 .start  = OMAP1710_ETHR_START,          /* Physical */
205                 .end    = OMAP1710_ETHR_START + 0xf,
206                 .flags  = IORESOURCE_MEM,
207         },
208         [1] = {
209                 .start  = OMAP_GPIO_IRQ(40),
210                 .end    = OMAP_GPIO_IRQ(40),
211                 .flags  = IORESOURCE_IRQ,
212         },
213 };
214
215 static struct platform_device smc91x_device = {
216         .name           = "smc91x",
217         .id             = 0,
218         .num_resources  = ARRAY_SIZE(smc91x_resources),
219         .resource       = smc91x_resources,
220 };
221
222 #define GPTIMER_BASE            0xFFFB1400
223 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
224 #define GPTIMER_REGS_SIZE       0x46
225
226 static struct resource intlat_resources[] = {
227         [0] = {
228                 .start  = GPTIMER_REGS(0),            /* Physical */
229                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
230                 .flags  = IORESOURCE_MEM,
231         },
232         [1] = {
233                 .start  = INT_1610_GPTIMER1,
234                 .end    = INT_1610_GPTIMER1,
235                 .flags  = IORESOURCE_IRQ,
236         },
237 };
238
239 static struct platform_device intlat_device = {
240         .name      = "omap_intlat",
241         .id          = 0,
242         .num_resources  = ARRAY_SIZE(intlat_resources),
243         .resource       = intlat_resources,
244 };
245
246 static struct resource h3_kp_resources[] = {
247         [0] = {
248                 .start  = INT_KEYBOARD,
249                 .end    = INT_KEYBOARD,
250                 .flags  = IORESOURCE_IRQ,
251         },
252 };
253
254 static struct omap_kp_platform_data h3_kp_data = {
255         .rows           = 8,
256         .cols           = 8,
257         .keymap         = h3_keymap,
258         .keymapsize     = ARRAY_SIZE(h3_keymap),
259         .rep            = 1,
260         .delay          = 9,
261         .dbounce        = 1,
262 };
263
264 static struct platform_device h3_kp_device = {
265         .name           = "omap-keypad",
266         .id             = -1,
267         .dev            = {
268                 .platform_data = &h3_kp_data,
269         },
270         .num_resources  = ARRAY_SIZE(h3_kp_resources),
271         .resource       = h3_kp_resources,
272 };
273
274
275 /* Select between the IrDA and aGPS module
276  */
277 static int h3_select_irda(struct device *dev, int state)
278 {
279         unsigned char expa;
280         int err = 0;
281
282         if ((err = read_gpio_expa(&expa, 0x26))) {
283                 printk(KERN_ERR "Error reading from I/O EXPANDER \n");
284                 return err;
285         }
286
287         /* 'P6' enable/disable IRDA_TX and IRDA_RX */
288         if (state & IR_SEL) { /* IrDA */
289                 if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
290                         printk(KERN_ERR "Error writing to I/O EXPANDER \n");
291                         return err;
292                 }
293         } else {
294                 if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
295                         printk(KERN_ERR "Error writing to I/O EXPANDER \n");
296                         return err;
297                 }
298         }
299         return err;
300 }
301
302 static void set_trans_mode(struct work_struct *work)
303 {
304         struct omap_irda_config *irda_config =
305                 container_of(work, struct omap_irda_config, gpio_expa.work);
306         int mode = irda_config->mode;
307         unsigned char expa;
308         int err = 0;
309
310         if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
311                 printk(KERN_ERR "Error reading from I/O expander\n");
312         }
313
314         expa &= ~0x03;
315
316         if (mode & IR_SIRMODE) {
317                 expa |= 0x01;
318         } else { /* MIR/FIR */
319                 expa |= 0x03;
320         }
321
322         if ((err = write_gpio_expa(expa, 0x27)) != 0) {
323                 printk(KERN_ERR "Error writing to I/O expander\n");
324         }
325 }
326
327 static int h3_transceiver_mode(struct device *dev, int mode)
328 {
329         struct omap_irda_config *irda_config = dev->platform_data;
330
331         irda_config->mode = mode;
332         cancel_delayed_work(&irda_config->gpio_expa);
333         PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
334         schedule_delayed_work(&irda_config->gpio_expa, 0);
335
336         return 0;
337 }
338
339 static struct omap_irda_config h3_irda_data = {
340         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
341         .transceiver_mode       = h3_transceiver_mode,
342         .select_irda            = h3_select_irda,
343         .rx_channel             = OMAP_DMA_UART3_RX,
344         .tx_channel             = OMAP_DMA_UART3_TX,
345         .dest_start             = UART3_THR,
346         .src_start              = UART3_RHR,
347         .tx_trigger             = 0,
348         .rx_trigger             = 0,
349 };
350
351 static struct resource h3_irda_resources[] = {
352         [0] = {
353                 .start  = INT_UART3,
354                 .end    = INT_UART3,
355                 .flags  = IORESOURCE_IRQ,
356         },
357 };
358
359 static u64 irda_dmamask = 0xffffffff;
360
361 static struct platform_device h3_irda_device = {
362         .name           = "omapirda",
363         .id             = 0,
364         .dev            = {
365                 .platform_data  = &h3_irda_data,
366                 .dma_mask       = &irda_dmamask,
367         },
368         .num_resources  = ARRAY_SIZE(h3_irda_resources),
369         .resource       = h3_irda_resources,
370 };
371
372 static struct platform_device h3_lcd_device = {
373         .name           = "lcd_h3",
374         .id             = -1,
375 };
376
377 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
378         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
379         .spcr1 = RINTM(3) | RRST,
380         .rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
381                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
382         .rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
383         .xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
384                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
385         .xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
386         .srgr1 = FWID(15),
387         .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
388
389         .pcr0  = CLKRM | SCLKME | FSXP | FSRP | CLKXP | CLKRP,
390         //.pcr0 = CLKXP | CLKRP,        /* mcbsp: slave */
391 };
392
393 static struct omap_alsa_codec_config alsa_config = {
394         .name                   = "H3 TSC2101",
395         .mcbsp_regs_alsa        = &mcbsp_regs,
396         .codec_configure_dev    = NULL, // tsc2101_configure,
397         .codec_set_samplerate   = NULL, // tsc2101_set_samplerate,
398         .codec_clock_setup      = NULL, // tsc2101_clock_setup,
399         .codec_clock_on         = NULL, // tsc2101_clock_on,
400         .codec_clock_off        = NULL, // tsc2101_clock_off,
401         .get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
402 };
403
404 static struct platform_device h3_mcbsp1_device = {
405         .name   = "omap_alsa_mcbsp",
406         .id     = 1,
407         .dev = {
408                 .platform_data  = &alsa_config,
409         },
410 };
411
412 static struct platform_device *devices[] __initdata = {
413         &nor_device,
414         &nand_device,
415         &smc91x_device,
416         &intlat_device,
417         &h3_irda_device,
418         &h3_kp_device,
419         &h3_lcd_device,
420         &h3_mcbsp1_device,
421 };
422
423 static struct omap_usb_config h3_usb_config __initdata = {
424         /* usb1 has a Mini-AB port and external isp1301 transceiver */
425         .otg        = 2,
426
427 #ifdef CONFIG_USB_GADGET_OMAP
428         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
429 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
430         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
431         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
432 #endif
433
434         .pins[1]        = 3,
435 };
436
437 static struct omap_mmc_config h3_mmc_config __initdata = {
438         .mmc[0] = {
439                 .enabled        = 1,
440                 .power_pin      = -1,   /* tps65010 GPIO4 */
441                 .switch_pin     = OMAP_MPUIO(1),
442         },
443 };
444
445 static struct omap_uart_config h3_uart_config __initdata = {
446         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
447 };
448
449 static struct omap_lcd_config h3_lcd_config __initdata = {
450         .ctrl_name      = "internal",
451 };
452
453 static struct omap_board_config_kernel h3_config[] = {
454         { OMAP_TAG_USB,         &h3_usb_config },
455         { OMAP_TAG_MMC,         &h3_mmc_config },
456         { OMAP_TAG_UART,        &h3_uart_config },
457         { OMAP_TAG_LCD,         &h3_lcd_config },
458 };
459
460 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
461         {
462                 I2C_BOARD_INFO("tps65010", 0x48),
463                 .type           = "tps65013",
464                 /* .irq         = OMAP_GPIO_IRQ(??), */
465         },
466         /* TODO when driver support is ready:
467          *  - isp1301 OTG transceiver
468          *  - optional ov9640 camera sensor at 0x30
469          *  - ...
470          */
471 };
472
473 #define H3_NAND_RB_GPIO_PIN     10
474
475 static int nand_dev_ready(struct nand_platform_data *data)
476 {
477         return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
478 }
479
480 static void __init h3_init(void)
481 {
482         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
483          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
484          * notice whether a NAND chip is enabled at probe time.
485          *
486          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
487          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
488          * to avoid probing every possible flash configuration...
489          */
490         nor_resource.end = nor_resource.start = omap_cs3_phys();
491         nor_resource.end += SZ_32M - 1;
492
493         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
494         nand_resource.end += SZ_4K - 1;
495         if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
496                 nand_data.dev_ready = nand_dev_ready;
497
498         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
499         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
500         omap_cfg_reg(V2_1710_GPIO10);
501
502         platform_add_devices(devices, ARRAY_SIZE(devices));
503         omap_board_config = h3_config;
504         omap_board_config_size = ARRAY_SIZE(h3_config);
505         omap_serial_init();
506
507         /* FIXME setup irq for tps65013 chip */
508         i2c_register_board_info(1, h3_i2c_board_info,
509                         ARRAY_SIZE(h3_i2c_board_info));
510 }
511
512 static void __init h3_init_smc91x(void)
513 {
514         omap_cfg_reg(W15_1710_GPIO40);
515         if (omap_request_gpio(40) < 0) {
516                 printk("Error requesting gpio 40 for smc91x irq\n");
517                 return;
518         }
519 }
520
521 static void __init h3_init_irq(void)
522 {
523         omap1_init_common_hw();
524         omap_init_irq();
525         omap_gpio_init();
526         h3_init_smc91x();
527 }
528
529 static void __init h3_map_io(void)
530 {
531         omap1_map_common_io();
532 }
533
534 #ifdef CONFIG_TPS65010
535 static int __init h3_tps_init(void)
536 {
537         if (!machine_is_omap_h3())
538                 return 0;
539
540         /* gpio4 for SD, gpio3 for VDD_DSP */
541         /* FIXME send power to DSP iff it's configured */
542
543         /* Enable LOW_PWR */
544         tps65013_set_low_pwr(ON);
545
546         return 0;
547 }
548 fs_initcall(h3_tps_init);
549 #endif
550
551 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
552         /* Maintainer: Texas Instruments, Inc. */
553         .phys_io        = 0xfff00000,
554         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
555         .boot_params    = 0x10000100,
556         .map_io         = h3_map_io,
557         .init_irq       = h3_init_irq,
558         .init_machine   = h3_init,
559         .timer          = &omap_timer,
560 MACHINE_END