Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
[linux-2.6.git] / arch / arm / mach-omap1 / board-osk.c
1 /*
2  * linux/arch/arm/mach-omap1/board-osk.c
3  *
4  * Board specific init for OMAP5912 OSK
5  *
6  * Written by Dirk Behme <dirk.behme@de.bosch.com>
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms of the GNU General Public License as published by the
10  * Free Software Foundation; either version 2 of the License, or (at your
11  * option) any later version.
12  *
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
14  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
15  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
16  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
19  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  *
24  * You should have received a copy of the  GNU General Public License along
25  * with this program; if not, write  to the Free Software Foundation, Inc.,
26  * 675 Mass Ave, Cambridge, MA 02139, USA.
27  */
28
29 #include <linux/kernel.h>
30 #include <linux/init.h>
31 #include <linux/platform_device.h>
32 #include <linux/interrupt.h>
33 #include <linux/irq.h>
34 #include <linux/interrupt.h>
35 #include <linux/i2c.h>
36
37 #include <linux/mtd/mtd.h>
38 #include <linux/mtd/partitions.h>
39
40 #include <asm/hardware.h>
41 #include <asm/gpio.h>
42
43 #include <asm/mach-types.h>
44 #include <asm/mach/arch.h>
45 #include <asm/mach/map.h>
46 #include <asm/mach/flash.h>
47
48 #include <asm/arch/usb.h>
49 #include <asm/arch/tps65010.h>
50 #include <asm/arch/mux.h>
51 #include <asm/arch/tc.h>
52 #include <asm/arch/common.h>
53 #include <asm/arch/mcbsp.h>
54 #include <asm/arch/omap-alsa.h>
55
56 static struct mtd_partition osk_partitions[] = {
57         /* bootloader (U-Boot, etc) in first sector */
58         {
59               .name             = "bootloader",
60               .offset           = 0,
61               .size             = SZ_128K,
62               .mask_flags       = MTD_WRITEABLE, /* force read-only */
63         },
64         /* bootloader params in the next sector */
65         {
66               .name             = "params",
67               .offset           = MTDPART_OFS_APPEND,
68               .size             = SZ_128K,
69               .mask_flags       = 0,
70         }, {
71               .name             = "kernel",
72               .offset           = MTDPART_OFS_APPEND,
73               .size             = SZ_2M,
74               .mask_flags       = 0
75         }, {
76               .name             = "filesystem",
77               .offset           = MTDPART_OFS_APPEND,
78               .size             = MTDPART_SIZ_FULL,
79               .mask_flags       = 0
80         }
81 };
82
83 static struct flash_platform_data osk_flash_data = {
84         .map_name       = "cfi_probe",
85         .width          = 2,
86         .parts          = osk_partitions,
87         .nr_parts       = ARRAY_SIZE(osk_partitions),
88 };
89
90 static struct resource osk_flash_resource = {
91         /* this is on CS3, wherever it's mapped */
92         .flags          = IORESOURCE_MEM,
93 };
94
95 static struct platform_device osk5912_flash_device = {
96         .name           = "omapflash",
97         .id             = 0,
98         .dev            = {
99                 .platform_data  = &osk_flash_data,
100         },
101         .num_resources  = 1,
102         .resource       = &osk_flash_resource,
103 };
104
105 static struct resource osk5912_smc91x_resources[] = {
106         [0] = {
107                 .start  = OMAP_OSK_ETHR_START,          /* Physical */
108                 .end    = OMAP_OSK_ETHR_START + 0xf,
109                 .flags  = IORESOURCE_MEM,
110         },
111         [1] = {
112                 .start  = OMAP_GPIO_IRQ(0),
113                 .end    = OMAP_GPIO_IRQ(0),
114                 .flags  = IORESOURCE_IRQ,
115         },
116 };
117
118 static struct platform_device osk5912_smc91x_device = {
119         .name           = "smc91x",
120         .id             = -1,
121         .num_resources  = ARRAY_SIZE(osk5912_smc91x_resources),
122         .resource       = osk5912_smc91x_resources,
123 };
124
125 static struct resource osk5912_cf_resources[] = {
126         [0] = {
127                 .start  = OMAP_GPIO_IRQ(62),
128                 .end    = OMAP_GPIO_IRQ(62),
129                 .flags  = IORESOURCE_IRQ,
130         },
131 };
132
133 static struct platform_device osk5912_cf_device = {
134         .name           = "omap_cf",
135         .id             = -1,
136         .dev = {
137                 .platform_data  = (void *) 2 /* CS2 */,
138         },
139         .num_resources  = ARRAY_SIZE(osk5912_cf_resources),
140         .resource       = osk5912_cf_resources,
141 };
142
143 #define DEFAULT_BITPERSAMPLE 16
144
145 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
146         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
147         .spcr1 = RINTM(3) | RRST,
148         .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
149             RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
150         .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
151         .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
152             XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
153         .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
154         .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
155         .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
156         /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
157         .pcr0 = CLKXP | CLKRP,  /* mcbsp: slave */
158 };
159
160 static struct omap_alsa_codec_config alsa_config = {
161         .name                   = "OSK AIC23",
162         .mcbsp_regs_alsa        = &mcbsp_regs,
163         .codec_configure_dev    = NULL, // aic23_configure,
164         .codec_set_samplerate   = NULL, // aic23_set_samplerate,
165         .codec_clock_setup      = NULL, // aic23_clock_setup,
166         .codec_clock_on         = NULL, // aic23_clock_on,
167         .codec_clock_off        = NULL, // aic23_clock_off,
168         .get_default_samplerate = NULL, // aic23_get_default_samplerate,
169 };
170
171 static struct platform_device osk5912_mcbsp1_device = {
172         .name   = "omap_alsa_mcbsp",
173         .id     = 1,
174         .dev = {
175                 .platform_data  = &alsa_config,
176         },
177 };
178
179 static struct platform_device *osk5912_devices[] __initdata = {
180         &osk5912_flash_device,
181         &osk5912_smc91x_device,
182         &osk5912_cf_device,
183         &osk5912_mcbsp1_device,
184 };
185
186 static struct i2c_board_info __initdata osk_i2c_board_info[] = {
187         {
188                 I2C_BOARD_INFO("tps65010", 0x48),
189                 .type           = "tps65010",
190                 .irq            = OMAP_GPIO_IRQ(OMAP_MPUIO(1)),
191         },
192         /* TODO when driver support is ready:
193          *  - aic23 audio chip at 0x1a
194          *  - on Mistral, 24c04 eeprom at 0x50
195          *  - optionally on Mistral, ov9640 camera sensor at 0x30
196          */
197 };
198
199 static void __init osk_init_smc91x(void)
200 {
201         if ((omap_request_gpio(0)) < 0) {
202                 printk("Error requesting gpio 0 for smc91x irq\n");
203                 return;
204         }
205
206         /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
207         EMIFS_CCS(1) |= 0x3;
208 }
209
210 static void __init osk_init_cf(void)
211 {
212         omap_cfg_reg(M7_1610_GPIO62);
213         if ((omap_request_gpio(62)) < 0) {
214                 printk("Error requesting gpio 62 for CF irq\n");
215                 return;
216         }
217         /* the CF I/O IRQ is really active-low */
218         set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
219 }
220
221 static void __init osk_init_irq(void)
222 {
223         omap1_init_common_hw();
224         omap_init_irq();
225         omap_gpio_init();
226         osk_init_smc91x();
227         osk_init_cf();
228 }
229
230 static struct omap_usb_config osk_usb_config __initdata = {
231         /* has usb host connector (A) ... for development it can also
232          * be used, with a NONSTANDARD gender-bending cable/dongle, as
233          * a peripheral.
234          */
235 #ifdef  CONFIG_USB_GADGET_OMAP
236         .register_dev   = 1,
237         .hmc_mode       = 0,
238 #else
239         .register_host  = 1,
240         .hmc_mode       = 16,
241         .rwc            = 1,
242 #endif
243         .pins[0]        = 2,
244 };
245
246 static struct omap_uart_config osk_uart_config __initdata = {
247         .enabled_uarts = (1 << 0),
248 };
249
250 #ifdef  CONFIG_OMAP_OSK_MISTRAL
251 static struct omap_lcd_config osk_lcd_config __initdata = {
252         .ctrl_name      = "internal",
253 };
254 #endif
255
256 static struct omap_board_config_kernel osk_config[] = {
257         { OMAP_TAG_USB,           &osk_usb_config },
258         { OMAP_TAG_UART,                &osk_uart_config },
259 #ifdef  CONFIG_OMAP_OSK_MISTRAL
260         { OMAP_TAG_LCD,                 &osk_lcd_config },
261 #endif
262 };
263
264 #ifdef  CONFIG_OMAP_OSK_MISTRAL
265
266 #include <linux/input.h>
267 #include <linux/spi/spi.h>
268 #include <linux/spi/ads7846.h>
269
270 #include <asm/arch/keypad.h>
271
272 static const int osk_keymap[] = {
273         /* KEY(col, row, code) */
274         KEY(0, 0, KEY_F1),              /* SW4 */
275         KEY(0, 3, KEY_UP),              /* (sw2/up) */
276         KEY(1, 1, KEY_LEFTCTRL),        /* SW5 */
277         KEY(1, 2, KEY_LEFT),            /* (sw2/left) */
278         KEY(2, 0, KEY_SPACE),           /* SW3 */
279         KEY(2, 1, KEY_ESC),             /* SW6 */
280         KEY(2, 2, KEY_DOWN),            /* (sw2/down) */
281         KEY(3, 2, KEY_ENTER),           /* (sw2/select) */
282         KEY(3, 3, KEY_RIGHT),           /* (sw2/right) */
283         0
284 };
285
286 static struct omap_kp_platform_data osk_kp_data = {
287         .rows           = 8,
288         .cols           = 8,
289         .keymap         = (int *) osk_keymap,
290         .keymapsize     = ARRAY_SIZE(osk_keymap),
291         .delay          = 9,
292 };
293
294 static struct resource osk5912_kp_resources[] = {
295         [0] = {
296                 .start  = INT_KEYBOARD,
297                 .end    = INT_KEYBOARD,
298                 .flags  = IORESOURCE_IRQ,
299         },
300 };
301
302 static struct platform_device osk5912_kp_device = {
303         .name           = "omap-keypad",
304         .id             = -1,
305         .dev            = {
306                 .platform_data = &osk_kp_data,
307         },
308         .num_resources  = ARRAY_SIZE(osk5912_kp_resources),
309         .resource       = osk5912_kp_resources,
310 };
311
312 static struct omap_backlight_config mistral_bl_data = {
313         .default_intensity      = 0xa0,
314 };
315
316 static struct platform_device mistral_bl_device = {
317         .name           = "omap-bl",
318         .id             = -1,
319         .dev            = {
320                 .platform_data = &mistral_bl_data,
321         },
322 };
323
324 static struct platform_device osk5912_lcd_device = {
325         .name           = "lcd_osk",
326         .id             = -1,
327 };
328
329 static struct platform_device *mistral_devices[] __initdata = {
330         &osk5912_kp_device,
331         &mistral_bl_device,
332         &osk5912_lcd_device,
333 };
334
335 static int mistral_get_pendown_state(void)
336 {
337         return !omap_get_gpio_datain(4);
338 }
339
340 static const struct ads7846_platform_data mistral_ts_info = {
341         .model                  = 7846,
342         .vref_delay_usecs       = 100,  /* internal, no capacitor */
343         .x_plate_ohms           = 419,
344         .y_plate_ohms           = 486,
345         .get_pendown_state      = mistral_get_pendown_state,
346 };
347
348 static struct spi_board_info __initdata mistral_boardinfo[] = { {
349         /* MicroWire (bus 2) CS0 has an ads7846e */
350         .modalias               = "ads7846",
351         .platform_data          = &mistral_ts_info,
352         .irq                    = OMAP_GPIO_IRQ(4),
353         .max_speed_hz           = 120000 /* max sample rate at 3V */
354                                         * 26 /* command + data + overhead */,
355         .bus_num                = 2,
356         .chip_select            = 0,
357 } };
358
359 #ifdef  CONFIG_PM
360 static irqreturn_t
361 osk_mistral_wake_interrupt(int irq, void *ignored)
362 {
363         return IRQ_HANDLED;
364 }
365 #endif
366
367 static void __init osk_mistral_init(void)
368 {
369         /* NOTE:  we could actually tell if there's a Mistral board
370          * attached, e.g. by trying to read something from the ads7846.
371          * But this arch_init() code is too early for that, since we
372          * can't talk to the ads or even the i2c eeprom.
373          */
374
375         /* parallel camera interface */
376         omap_cfg_reg(J15_1610_CAM_LCLK);
377         omap_cfg_reg(J18_1610_CAM_D7);
378         omap_cfg_reg(J19_1610_CAM_D6);
379         omap_cfg_reg(J14_1610_CAM_D5);
380         omap_cfg_reg(K18_1610_CAM_D4);
381         omap_cfg_reg(K19_1610_CAM_D3);
382         omap_cfg_reg(K15_1610_CAM_D2);
383         omap_cfg_reg(K14_1610_CAM_D1);
384         omap_cfg_reg(L19_1610_CAM_D0);
385         omap_cfg_reg(L18_1610_CAM_VS);
386         omap_cfg_reg(L15_1610_CAM_HS);
387         omap_cfg_reg(M19_1610_CAM_RSTZ);
388         omap_cfg_reg(Y15_1610_CAM_OUTCLK);
389
390         /* serial camera interface */
391         omap_cfg_reg(H19_1610_CAM_EXCLK);
392         omap_cfg_reg(W13_1610_CCP_CLKM);
393         omap_cfg_reg(Y12_1610_CCP_CLKP);
394         /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
395         // omap_cfg_reg(Y14_1610_CCP_DATAM);
396         omap_cfg_reg(W14_1610_CCP_DATAP);
397
398         /* CAM_PWDN */
399         if (omap_request_gpio(11) == 0) {
400                 omap_cfg_reg(N20_1610_GPIO11);
401                 omap_set_gpio_direction(11, 0 /* out */);
402                 omap_set_gpio_dataout(11, 0 /* off */);
403         } else
404                 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
405
406
407         // omap_cfg_reg(P19_1610_GPIO6);        // BUSY
408         omap_cfg_reg(P20_1610_GPIO4);   // PENIRQ
409         set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
410         spi_register_board_info(mistral_boardinfo,
411                         ARRAY_SIZE(mistral_boardinfo));
412
413         /* the sideways button (SW1) is for use as a "wakeup" button */
414         omap_cfg_reg(N15_1610_MPUIO2);
415         if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
416                 int ret = 0;
417                 omap_set_gpio_direction(OMAP_MPUIO(2), 1);
418                 set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
419 #ifdef  CONFIG_PM
420                 /* share the IRQ in case someone wants to use the
421                  * button for more than wakeup from system sleep.
422                  */
423                 ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
424                                 &osk_mistral_wake_interrupt,
425                                 IRQF_SHARED, "mistral_wakeup",
426                                 &osk_mistral_wake_interrupt);
427                 if (ret != 0) {
428                         omap_free_gpio(OMAP_MPUIO(2));
429                         printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
430                                 ret);
431                 } else
432                         enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
433 #endif
434         } else
435                 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
436
437         /* LCD:  backlight, and power; power controls other devices on the
438          * board, like the touchscreen, EEPROM, and wakeup (!) switch.
439          */
440         omap_cfg_reg(PWL);
441         if (omap_request_gpio(2) == 0) {
442                 omap_set_gpio_direction(2, 0 /* out */);
443                 omap_set_gpio_dataout(2, 1 /* on */);
444         }
445
446         platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
447 }
448 #else
449 static void __init osk_mistral_init(void) { }
450 #endif
451
452 #define EMIFS_CS3_VAL   (0x88013141)
453
454 static void __init osk_init(void)
455 {
456         /* Workaround for wrong CS3 (NOR flash) timing
457          * There are some U-Boot versions out there which configure
458          * wrong CS3 memory timings. This mainly leads to CRC
459          * or similar errors if you use NOR flash (e.g. with JFFS2)
460          */
461         if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
462                 EMIFS_CCS(3) = EMIFS_CS3_VAL;
463
464         osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
465         osk_flash_resource.end += SZ_32M - 1;
466         platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
467         omap_board_config = osk_config;
468         omap_board_config_size = ARRAY_SIZE(osk_config);
469         USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
470
471         /* irq for tps65010 chip */
472         /* bootloader effectively does:  omap_cfg_reg(U19_1610_MPUIO1); */
473         if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
474                 gpio_direction_input(OMAP_MPUIO(1));
475
476         i2c_register_board_info(1, osk_i2c_board_info,
477                         ARRAY_SIZE(osk_i2c_board_info));
478
479         omap_serial_init();
480         osk_mistral_init();
481 }
482
483 static void __init osk_map_io(void)
484 {
485         omap1_map_common_io();
486 }
487
488 #ifdef CONFIG_TPS65010
489 static int __init osk_tps_init(void)
490 {
491         if (!machine_is_omap_osk())
492                 return 0;
493
494         /* Let LED1 (D9) blink */
495         tps65010_set_led(LED1, BLINK);
496
497         /* Disable LED 2 (D2) */
498         tps65010_set_led(LED2, OFF);
499
500         /* Set GPIO 1 HIGH to disable VBUS power supply;
501          * OHCI driver powers it up/down as needed.
502          */
503         tps65010_set_gpio_out_value(GPIO1, HIGH);
504
505         /* Set GPIO 2 low to turn on LED D3 */
506         tps65010_set_gpio_out_value(GPIO2, HIGH);
507
508         /* Set GPIO 3 low to take ethernet out of reset */
509         tps65010_set_gpio_out_value(GPIO3, LOW);
510
511         /* gpio4 for VDD_DSP */
512         /* FIXME send power to DSP iff it's configured */
513
514         /* Enable LOW_PWR */
515         tps65010_set_low_pwr(ON);
516
517         /* Switch VLDO2 to 3.0V for AIC23 */
518         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
519                         | TPS_LDO1_ENABLE);
520
521         return 0;
522 }
523 fs_initcall(osk_tps_init);
524 #endif
525
526 MACHINE_START(OMAP_OSK, "TI-OSK")
527         /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
528         .phys_io        = 0xfff00000,
529         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
530         .boot_params    = 0x10000100,
531         .map_io         = osk_map_io,
532         .init_irq       = osk_init_irq,
533         .init_machine   = osk_init,
534         .timer          = &omap_timer,
535 MACHINE_END