Merge branches 'core-fixes-for-linus', 'irq-fixes-for-linus' and 'timers-fixes-for...
[linux-2.6] / 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 #include <linux/spi/spi.h>
30 #include <linux/i2c/tps65010.h>
31
32 #include <asm/setup.h>
33 #include <asm/page.h>
34 #include <mach/hardware.h>
35 #include <asm/gpio.h>
36
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/flash.h>
40 #include <asm/mach/map.h>
41
42 #include <mach/gpioexpander.h>
43 #include <mach/irqs.h>
44 #include <mach/mux.h>
45 #include <mach/tc.h>
46 #include <mach/nand.h>
47 #include <mach/irda.h>
48 #include <mach/usb.h>
49 #include <mach/keypad.h>
50 #include <mach/dma.h>
51 #include <mach/common.h>
52
53 #include "board-h3.h"
54
55 /* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
56 #define OMAP1710_ETHR_START             0x04000300
57
58 #define H3_TS_GPIO      48
59
60 static int h3_keymap[] = {
61         KEY(0, 0, KEY_LEFT),
62         KEY(0, 1, KEY_RIGHT),
63         KEY(0, 2, KEY_3),
64         KEY(0, 3, KEY_F10),
65         KEY(0, 4, KEY_F5),
66         KEY(0, 5, KEY_9),
67         KEY(1, 0, KEY_DOWN),
68         KEY(1, 1, KEY_UP),
69         KEY(1, 2, KEY_2),
70         KEY(1, 3, KEY_F9),
71         KEY(1, 4, KEY_F7),
72         KEY(1, 5, KEY_0),
73         KEY(2, 0, KEY_ENTER),
74         KEY(2, 1, KEY_6),
75         KEY(2, 2, KEY_1),
76         KEY(2, 3, KEY_F2),
77         KEY(2, 4, KEY_F6),
78         KEY(2, 5, KEY_HOME),
79         KEY(3, 0, KEY_8),
80         KEY(3, 1, KEY_5),
81         KEY(3, 2, KEY_F12),
82         KEY(3, 3, KEY_F3),
83         KEY(3, 4, KEY_F8),
84         KEY(3, 5, KEY_END),
85         KEY(4, 0, KEY_7),
86         KEY(4, 1, KEY_4),
87         KEY(4, 2, KEY_F11),
88         KEY(4, 3, KEY_F1),
89         KEY(4, 4, KEY_F4),
90         KEY(4, 5, KEY_ESC),
91         KEY(5, 0, KEY_F13),
92         KEY(5, 1, KEY_F14),
93         KEY(5, 2, KEY_F15),
94         KEY(5, 3, KEY_F16),
95         KEY(5, 4, KEY_SLEEP),
96         0
97 };
98
99
100 static struct mtd_partition nor_partitions[] = {
101         /* bootloader (U-Boot, etc) in first sector */
102         {
103               .name             = "bootloader",
104               .offset           = 0,
105               .size             = SZ_128K,
106               .mask_flags       = MTD_WRITEABLE, /* force read-only */
107         },
108         /* bootloader params in the next sector */
109         {
110               .name             = "params",
111               .offset           = MTDPART_OFS_APPEND,
112               .size             = SZ_128K,
113               .mask_flags       = 0,
114         },
115         /* kernel */
116         {
117               .name             = "kernel",
118               .offset           = MTDPART_OFS_APPEND,
119               .size             = SZ_2M,
120               .mask_flags       = 0
121         },
122         /* file system */
123         {
124               .name             = "filesystem",
125               .offset           = MTDPART_OFS_APPEND,
126               .size             = MTDPART_SIZ_FULL,
127               .mask_flags       = 0
128         }
129 };
130
131 static struct flash_platform_data nor_data = {
132         .map_name       = "cfi_probe",
133         .width          = 2,
134         .parts          = nor_partitions,
135         .nr_parts       = ARRAY_SIZE(nor_partitions),
136 };
137
138 static struct resource nor_resource = {
139         /* This is on CS3, wherever it's mapped */
140         .flags          = IORESOURCE_MEM,
141 };
142
143 static struct platform_device nor_device = {
144         .name           = "omapflash",
145         .id             = 0,
146         .dev            = {
147                 .platform_data  = &nor_data,
148         },
149         .num_resources  = 1,
150         .resource       = &nor_resource,
151 };
152
153 static struct mtd_partition nand_partitions[] = {
154 #if 0
155         /* REVISIT: enable these partitions if you make NAND BOOT work */
156         {
157                 .name           = "xloader",
158                 .offset         = 0,
159                 .size           = 64 * 1024,
160                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
161         },
162         {
163                 .name           = "bootloader",
164                 .offset         = MTDPART_OFS_APPEND,
165                 .size           = 256 * 1024,
166                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
167         },
168         {
169                 .name           = "params",
170                 .offset         = MTDPART_OFS_APPEND,
171                 .size           = 192 * 1024,
172         },
173         {
174                 .name           = "kernel",
175                 .offset         = MTDPART_OFS_APPEND,
176                 .size           = 2 * SZ_1M,
177         },
178 #endif
179         {
180                 .name           = "filesystem",
181                 .size           = MTDPART_SIZ_FULL,
182                 .offset         = MTDPART_OFS_APPEND,
183         },
184 };
185
186 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
187 static struct omap_nand_platform_data nand_data = {
188         .options        = NAND_SAMSUNG_LP_OPTIONS,
189         .parts          = nand_partitions,
190         .nr_parts       = ARRAY_SIZE(nand_partitions),
191 };
192
193 static struct resource nand_resource = {
194         .flags          = IORESOURCE_MEM,
195 };
196
197 static struct platform_device nand_device = {
198         .name           = "omapnand",
199         .id             = 0,
200         .dev            = {
201                 .platform_data  = &nand_data,
202         },
203         .num_resources  = 1,
204         .resource       = &nand_resource,
205 };
206
207 static struct resource smc91x_resources[] = {
208         [0] = {
209                 .start  = OMAP1710_ETHR_START,          /* Physical */
210                 .end    = OMAP1710_ETHR_START + 0xf,
211                 .flags  = IORESOURCE_MEM,
212         },
213         [1] = {
214                 .start  = OMAP_GPIO_IRQ(40),
215                 .end    = OMAP_GPIO_IRQ(40),
216                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
217         },
218 };
219
220 static struct platform_device smc91x_device = {
221         .name           = "smc91x",
222         .id             = 0,
223         .num_resources  = ARRAY_SIZE(smc91x_resources),
224         .resource       = smc91x_resources,
225 };
226
227 #define GPTIMER_BASE            0xFFFB1400
228 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
229 #define GPTIMER_REGS_SIZE       0x46
230
231 static struct resource intlat_resources[] = {
232         [0] = {
233                 .start  = GPTIMER_REGS(0),            /* Physical */
234                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
235                 .flags  = IORESOURCE_MEM,
236         },
237         [1] = {
238                 .start  = INT_1610_GPTIMER1,
239                 .end    = INT_1610_GPTIMER1,
240                 .flags  = IORESOURCE_IRQ,
241         },
242 };
243
244 static struct platform_device intlat_device = {
245         .name      = "omap_intlat",
246         .id          = 0,
247         .num_resources  = ARRAY_SIZE(intlat_resources),
248         .resource       = intlat_resources,
249 };
250
251 static struct resource h3_kp_resources[] = {
252         [0] = {
253                 .start  = INT_KEYBOARD,
254                 .end    = INT_KEYBOARD,
255                 .flags  = IORESOURCE_IRQ,
256         },
257 };
258
259 static struct omap_kp_platform_data h3_kp_data = {
260         .rows           = 8,
261         .cols           = 8,
262         .keymap         = h3_keymap,
263         .keymapsize     = ARRAY_SIZE(h3_keymap),
264         .rep            = 1,
265         .delay          = 9,
266         .dbounce        = 1,
267 };
268
269 static struct platform_device h3_kp_device = {
270         .name           = "omap-keypad",
271         .id             = -1,
272         .dev            = {
273                 .platform_data = &h3_kp_data,
274         },
275         .num_resources  = ARRAY_SIZE(h3_kp_resources),
276         .resource       = h3_kp_resources,
277 };
278
279
280 /* Select between the IrDA and aGPS module
281  */
282 static int h3_select_irda(struct device *dev, int state)
283 {
284         unsigned char expa;
285         int err = 0;
286
287         if ((err = read_gpio_expa(&expa, 0x26))) {
288                 printk(KERN_ERR "Error reading from I/O EXPANDER \n");
289                 return err;
290         }
291
292         /* 'P6' enable/disable IRDA_TX and IRDA_RX */
293         if (state & IR_SEL) { /* IrDA */
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         } else {
299                 if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
300                         printk(KERN_ERR "Error writing to I/O EXPANDER \n");
301                         return err;
302                 }
303         }
304         return err;
305 }
306
307 static void set_trans_mode(struct work_struct *work)
308 {
309         struct omap_irda_config *irda_config =
310                 container_of(work, struct omap_irda_config, gpio_expa.work);
311         int mode = irda_config->mode;
312         unsigned char expa;
313         int err = 0;
314
315         if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
316                 printk(KERN_ERR "Error reading from I/O expander\n");
317         }
318
319         expa &= ~0x03;
320
321         if (mode & IR_SIRMODE) {
322                 expa |= 0x01;
323         } else { /* MIR/FIR */
324                 expa |= 0x03;
325         }
326
327         if ((err = write_gpio_expa(expa, 0x27)) != 0) {
328                 printk(KERN_ERR "Error writing to I/O expander\n");
329         }
330 }
331
332 static int h3_transceiver_mode(struct device *dev, int mode)
333 {
334         struct omap_irda_config *irda_config = dev->platform_data;
335
336         irda_config->mode = mode;
337         cancel_delayed_work(&irda_config->gpio_expa);
338         PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
339         schedule_delayed_work(&irda_config->gpio_expa, 0);
340
341         return 0;
342 }
343
344 static struct omap_irda_config h3_irda_data = {
345         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
346         .transceiver_mode       = h3_transceiver_mode,
347         .select_irda            = h3_select_irda,
348         .rx_channel             = OMAP_DMA_UART3_RX,
349         .tx_channel             = OMAP_DMA_UART3_TX,
350         .dest_start             = UART3_THR,
351         .src_start              = UART3_RHR,
352         .tx_trigger             = 0,
353         .rx_trigger             = 0,
354 };
355
356 static struct resource h3_irda_resources[] = {
357         [0] = {
358                 .start  = INT_UART3,
359                 .end    = INT_UART3,
360                 .flags  = IORESOURCE_IRQ,
361         },
362 };
363
364 static u64 irda_dmamask = 0xffffffff;
365
366 static struct platform_device h3_irda_device = {
367         .name           = "omapirda",
368         .id             = 0,
369         .dev            = {
370                 .platform_data  = &h3_irda_data,
371                 .dma_mask       = &irda_dmamask,
372         },
373         .num_resources  = ARRAY_SIZE(h3_irda_resources),
374         .resource       = h3_irda_resources,
375 };
376
377 static struct platform_device h3_lcd_device = {
378         .name           = "lcd_h3",
379         .id             = -1,
380 };
381
382 static struct spi_board_info h3_spi_board_info[] __initdata = {
383         [0] = {
384                 .modalias       = "tsc2101",
385                 .bus_num        = 2,
386                 .chip_select    = 0,
387                 .irq            = OMAP_GPIO_IRQ(H3_TS_GPIO),
388                 .max_speed_hz   = 16000000,
389                 /* .platform_data       = &tsc_platform_data, */
390         },
391 };
392
393 static struct platform_device *devices[] __initdata = {
394         &nor_device,
395         &nand_device,
396         &smc91x_device,
397         &intlat_device,
398         &h3_irda_device,
399         &h3_kp_device,
400         &h3_lcd_device,
401 };
402
403 static struct omap_usb_config h3_usb_config __initdata = {
404         /* usb1 has a Mini-AB port and external isp1301 transceiver */
405         .otg        = 2,
406
407 #ifdef CONFIG_USB_GADGET_OMAP
408         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
409 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
410         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
411         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
412 #endif
413
414         .pins[1]        = 3,
415 };
416
417 static struct omap_uart_config h3_uart_config __initdata = {
418         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
419 };
420
421 static struct omap_lcd_config h3_lcd_config __initdata = {
422         .ctrl_name      = "internal",
423 };
424
425 static struct omap_board_config_kernel h3_config[] __initdata = {
426         { OMAP_TAG_UART,        &h3_uart_config },
427         { OMAP_TAG_LCD,         &h3_lcd_config },
428 };
429
430 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
431        {
432                 I2C_BOARD_INFO("tps65013", 0x48),
433                /* .irq         = OMAP_GPIO_IRQ(??), */
434        },
435         {
436                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
437                 .irq            = OMAP_GPIO_IRQ(14),
438         },
439 };
440
441 #define H3_NAND_RB_GPIO_PIN     10
442
443 static int nand_dev_ready(struct omap_nand_platform_data *data)
444 {
445         return gpio_get_value(H3_NAND_RB_GPIO_PIN);
446 }
447
448 static void __init h3_init(void)
449 {
450         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
451          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
452          * notice whether a NAND chip is enabled at probe time.
453          *
454          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
455          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
456          * to avoid probing every possible flash configuration...
457          */
458         nor_resource.end = nor_resource.start = omap_cs3_phys();
459         nor_resource.end += SZ_32M - 1;
460
461         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
462         nand_resource.end += SZ_4K - 1;
463         if (gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0)
464                 BUG();
465         nand_data.dev_ready = nand_dev_ready;
466
467         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
468         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
469         omap_cfg_reg(V2_1710_GPIO10);
470
471         platform_add_devices(devices, ARRAY_SIZE(devices));
472         spi_register_board_info(h3_spi_board_info,
473                                 ARRAY_SIZE(h3_spi_board_info));
474         omap_board_config = h3_config;
475         omap_board_config_size = ARRAY_SIZE(h3_config);
476         omap_serial_init();
477         omap_register_i2c_bus(1, 100, h3_i2c_board_info,
478                               ARRAY_SIZE(h3_i2c_board_info));
479         omap_usb_init(&h3_usb_config);
480         h3_mmc_init();
481 }
482
483 static void __init h3_init_smc91x(void)
484 {
485         omap_cfg_reg(W15_1710_GPIO40);
486         if (gpio_request(40, "SMC91x irq") < 0) {
487                 printk("Error requesting gpio 40 for smc91x irq\n");
488                 return;
489         }
490 }
491
492 static void __init h3_init_irq(void)
493 {
494         omap1_init_common_hw();
495         omap_init_irq();
496         omap_gpio_init();
497         h3_init_smc91x();
498 }
499
500 static void __init h3_map_io(void)
501 {
502         omap1_map_common_io();
503 }
504
505 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
506         /* Maintainer: Texas Instruments, Inc. */
507         .phys_io        = 0xfff00000,
508         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
509         .boot_params    = 0x10000100,
510         .map_io         = h3_map_io,
511         .init_irq       = h3_init_irq,
512         .init_machine   = h3_init,
513         .timer          = &omap_timer,
514 MACHINE_END