Merge branch 'pxa' into devel
[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
36 #include <linux/mtd/mtd.h>
37 #include <linux/mtd/partitions.h>
38
39 #include <asm/hardware.h>
40 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/map.h>
43 #include <asm/mach/flash.h>
44
45 #include <asm/arch/gpio.h>
46 #include <asm/arch/usb.h>
47 #include <asm/arch/mux.h>
48 #include <asm/arch/tc.h>
49 #include <asm/arch/common.h>
50 #include <asm/arch/mcbsp.h>
51 #include <asm/arch/omap-alsa.h>
52
53 static struct mtd_partition osk_partitions[] = {
54         /* bootloader (U-Boot, etc) in first sector */
55         {
56               .name             = "bootloader",
57               .offset           = 0,
58               .size             = SZ_128K,
59               .mask_flags       = MTD_WRITEABLE, /* force read-only */
60         },
61         /* bootloader params in the next sector */
62         {
63               .name             = "params",
64               .offset           = MTDPART_OFS_APPEND,
65               .size             = SZ_128K,
66               .mask_flags       = 0,
67         }, {
68               .name             = "kernel",
69               .offset           = MTDPART_OFS_APPEND,
70               .size             = SZ_2M,
71               .mask_flags       = 0
72         }, {
73               .name             = "filesystem",
74               .offset           = MTDPART_OFS_APPEND,
75               .size             = MTDPART_SIZ_FULL,
76               .mask_flags       = 0
77         }
78 };
79
80 static struct flash_platform_data osk_flash_data = {
81         .map_name       = "cfi_probe",
82         .width          = 2,
83         .parts          = osk_partitions,
84         .nr_parts       = ARRAY_SIZE(osk_partitions),
85 };
86
87 static struct resource osk_flash_resource = {
88         /* this is on CS3, wherever it's mapped */
89         .flags          = IORESOURCE_MEM,
90 };
91
92 static struct platform_device osk5912_flash_device = {
93         .name           = "omapflash",
94         .id             = 0,
95         .dev            = {
96                 .platform_data  = &osk_flash_data,
97         },
98         .num_resources  = 1,
99         .resource       = &osk_flash_resource,
100 };
101
102 static struct resource osk5912_smc91x_resources[] = {
103         [0] = {
104                 .start  = OMAP_OSK_ETHR_START,          /* Physical */
105                 .end    = OMAP_OSK_ETHR_START + 0xf,
106                 .flags  = IORESOURCE_MEM,
107         },
108         [1] = {
109                 .start  = OMAP_GPIO_IRQ(0),
110                 .end    = OMAP_GPIO_IRQ(0),
111                 .flags  = IORESOURCE_IRQ,
112         },
113 };
114
115 static struct platform_device osk5912_smc91x_device = {
116         .name           = "smc91x",
117         .id             = -1,
118         .num_resources  = ARRAY_SIZE(osk5912_smc91x_resources),
119         .resource       = osk5912_smc91x_resources,
120 };
121
122 static struct resource osk5912_cf_resources[] = {
123         [0] = {
124                 .start  = OMAP_GPIO_IRQ(62),
125                 .end    = OMAP_GPIO_IRQ(62),
126                 .flags  = IORESOURCE_IRQ,
127         },
128 };
129
130 static struct platform_device osk5912_cf_device = {
131         .name           = "omap_cf",
132         .id             = -1,
133         .dev = {
134                 .platform_data  = (void *) 2 /* CS2 */,
135         },
136         .num_resources  = ARRAY_SIZE(osk5912_cf_resources),
137         .resource       = osk5912_cf_resources,
138 };
139
140 #define DEFAULT_BITPERSAMPLE 16
141
142 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
143         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
144         .spcr1 = RINTM(3) | RRST,
145         .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
146             RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
147         .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
148         .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
149             XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
150         .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
151         .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
152         .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
153         /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
154         .pcr0 = CLKXP | CLKRP,  /* mcbsp: slave */
155 };
156
157 static struct omap_alsa_codec_config alsa_config = {
158         .name                   = "OSK AIC23",
159         .mcbsp_regs_alsa        = &mcbsp_regs,
160         .codec_configure_dev    = NULL, // aic23_configure,
161         .codec_set_samplerate   = NULL, // aic23_set_samplerate,
162         .codec_clock_setup      = NULL, // aic23_clock_setup,
163         .codec_clock_on         = NULL, // aic23_clock_on,
164         .codec_clock_off        = NULL, // aic23_clock_off,
165         .get_default_samplerate = NULL, // aic23_get_default_samplerate,
166 };
167
168 static struct platform_device osk5912_mcbsp1_device = {
169         .name   = "omap_alsa_mcbsp",
170         .id     = 1,
171         .dev = {
172                 .platform_data  = &alsa_config,
173         },
174 };
175
176 static struct platform_device *osk5912_devices[] __initdata = {
177         &osk5912_flash_device,
178         &osk5912_smc91x_device,
179         &osk5912_cf_device,
180         &osk5912_mcbsp1_device,
181 };
182
183 static void __init osk_init_smc91x(void)
184 {
185         if ((omap_request_gpio(0)) < 0) {
186                 printk("Error requesting gpio 0 for smc91x irq\n");
187                 return;
188         }
189
190         /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
191         EMIFS_CCS(1) |= 0x3;
192 }
193
194 static void __init osk_init_cf(void)
195 {
196         omap_cfg_reg(M7_1610_GPIO62);
197         if ((omap_request_gpio(62)) < 0) {
198                 printk("Error requesting gpio 62 for CF irq\n");
199                 return;
200         }
201         /* the CF I/O IRQ is really active-low */
202         set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
203 }
204
205 static void __init osk_init_irq(void)
206 {
207         omap1_init_common_hw();
208         omap_init_irq();
209         omap_gpio_init();
210         osk_init_smc91x();
211         osk_init_cf();
212 }
213
214 static struct omap_usb_config osk_usb_config __initdata = {
215         /* has usb host connector (A) ... for development it can also
216          * be used, with a NONSTANDARD gender-bending cable/dongle, as
217          * a peripheral.
218          */
219 #ifdef  CONFIG_USB_GADGET_OMAP
220         .register_dev   = 1,
221         .hmc_mode       = 0,
222 #else
223         .register_host  = 1,
224         .hmc_mode       = 16,
225         .rwc            = 1,
226 #endif
227         .pins[0]        = 2,
228 };
229
230 static struct omap_uart_config osk_uart_config __initdata = {
231         .enabled_uarts = (1 << 0),
232 };
233
234 #ifdef  CONFIG_OMAP_OSK_MISTRAL
235 static struct omap_lcd_config osk_lcd_config __initdata = {
236         .ctrl_name      = "internal",
237 };
238 #endif
239
240 static struct omap_board_config_kernel osk_config[] = {
241         { OMAP_TAG_USB,           &osk_usb_config },
242         { OMAP_TAG_UART,                &osk_uart_config },
243 #ifdef  CONFIG_OMAP_OSK_MISTRAL
244         { OMAP_TAG_LCD,                 &osk_lcd_config },
245 #endif
246 };
247
248 #ifdef  CONFIG_OMAP_OSK_MISTRAL
249
250 #include <linux/input.h>
251 #include <linux/spi/spi.h>
252 #include <linux/spi/ads7846.h>
253
254 #include <asm/arch/keypad.h>
255
256 static const int osk_keymap[] = {
257         /* KEY(col, row, code) */
258         KEY(0, 0, KEY_F1),              /* SW4 */
259         KEY(0, 3, KEY_UP),              /* (sw2/up) */
260         KEY(1, 1, KEY_LEFTCTRL),        /* SW5 */
261         KEY(1, 2, KEY_LEFT),            /* (sw2/left) */
262         KEY(2, 0, KEY_SPACE),           /* SW3 */
263         KEY(2, 1, KEY_ESC),             /* SW6 */
264         KEY(2, 2, KEY_DOWN),            /* (sw2/down) */
265         KEY(3, 2, KEY_ENTER),           /* (sw2/select) */
266         KEY(3, 3, KEY_RIGHT),           /* (sw2/right) */
267         0
268 };
269
270 static struct omap_kp_platform_data osk_kp_data = {
271         .rows           = 8,
272         .cols           = 8,
273         .keymap         = (int *) osk_keymap,
274         .keymapsize     = ARRAY_SIZE(osk_keymap),
275         .delay          = 9,
276 };
277
278 static struct resource osk5912_kp_resources[] = {
279         [0] = {
280                 .start  = INT_KEYBOARD,
281                 .end    = INT_KEYBOARD,
282                 .flags  = IORESOURCE_IRQ,
283         },
284 };
285
286 static struct platform_device osk5912_kp_device = {
287         .name           = "omap-keypad",
288         .id             = -1,
289         .dev            = {
290                 .platform_data = &osk_kp_data,
291         },
292         .num_resources  = ARRAY_SIZE(osk5912_kp_resources),
293         .resource       = osk5912_kp_resources,
294 };
295
296 static struct omap_backlight_config mistral_bl_data = {
297         .default_intensity      = 0xa0,
298 };
299
300 static struct platform_device mistral_bl_device = {
301         .name           = "omap-bl",
302         .id             = -1,
303         .dev            = {
304                 .platform_data = &mistral_bl_data,
305         },
306 };
307
308 static struct platform_device osk5912_lcd_device = {
309         .name           = "lcd_osk",
310         .id             = -1,
311 };
312
313 static struct platform_device *mistral_devices[] __initdata = {
314         &osk5912_kp_device,
315         &mistral_bl_device,
316         &osk5912_lcd_device,
317 };
318
319 static int mistral_get_pendown_state(void)
320 {
321         return !omap_get_gpio_datain(4);
322 }
323
324 static const struct ads7846_platform_data mistral_ts_info = {
325         .model                  = 7846,
326         .vref_delay_usecs       = 100,  /* internal, no capacitor */
327         .x_plate_ohms           = 419,
328         .y_plate_ohms           = 486,
329         .get_pendown_state      = mistral_get_pendown_state,
330 };
331
332 static struct spi_board_info __initdata mistral_boardinfo[] = { {
333         /* MicroWire (bus 2) CS0 has an ads7846e */
334         .modalias               = "ads7846",
335         .platform_data          = &mistral_ts_info,
336         .irq                    = OMAP_GPIO_IRQ(4),
337         .max_speed_hz           = 120000 /* max sample rate at 3V */
338                                         * 26 /* command + data + overhead */,
339         .bus_num                = 2,
340         .chip_select            = 0,
341 } };
342
343 #ifdef  CONFIG_PM
344 static irqreturn_t
345 osk_mistral_wake_interrupt(int irq, void *ignored)
346 {
347         return IRQ_HANDLED;
348 }
349 #endif
350
351 static void __init osk_mistral_init(void)
352 {
353         /* NOTE:  we could actually tell if there's a Mistral board
354          * attached, e.g. by trying to read something from the ads7846.
355          * But this arch_init() code is too early for that, since we
356          * can't talk to the ads or even the i2c eeprom.
357          */
358
359         /* parallel camera interface */
360         omap_cfg_reg(J15_1610_CAM_LCLK);
361         omap_cfg_reg(J18_1610_CAM_D7);
362         omap_cfg_reg(J19_1610_CAM_D6);
363         omap_cfg_reg(J14_1610_CAM_D5);
364         omap_cfg_reg(K18_1610_CAM_D4);
365         omap_cfg_reg(K19_1610_CAM_D3);
366         omap_cfg_reg(K15_1610_CAM_D2);
367         omap_cfg_reg(K14_1610_CAM_D1);
368         omap_cfg_reg(L19_1610_CAM_D0);
369         omap_cfg_reg(L18_1610_CAM_VS);
370         omap_cfg_reg(L15_1610_CAM_HS);
371         omap_cfg_reg(M19_1610_CAM_RSTZ);
372         omap_cfg_reg(Y15_1610_CAM_OUTCLK);
373
374         /* serial camera interface */
375         omap_cfg_reg(H19_1610_CAM_EXCLK);
376         omap_cfg_reg(W13_1610_CCP_CLKM);
377         omap_cfg_reg(Y12_1610_CCP_CLKP);
378         /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
379         // omap_cfg_reg(Y14_1610_CCP_DATAM);
380         omap_cfg_reg(W14_1610_CCP_DATAP);
381
382         /* CAM_PWDN */
383         if (omap_request_gpio(11) == 0) {
384                 omap_cfg_reg(N20_1610_GPIO11);
385                 omap_set_gpio_direction(11, 0 /* out */);
386                 omap_set_gpio_dataout(11, 0 /* off */);
387         } else
388                 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
389
390
391         // omap_cfg_reg(P19_1610_GPIO6);        // BUSY
392         omap_cfg_reg(P20_1610_GPIO4);   // PENIRQ
393         set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
394         spi_register_board_info(mistral_boardinfo,
395                         ARRAY_SIZE(mistral_boardinfo));
396
397         /* the sideways button (SW1) is for use as a "wakeup" button */
398         omap_cfg_reg(N15_1610_MPUIO2);
399         if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
400                 int ret = 0;
401                 omap_set_gpio_direction(OMAP_MPUIO(2), 1);
402                 set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
403 #ifdef  CONFIG_PM
404                 /* share the IRQ in case someone wants to use the
405                  * button for more than wakeup from system sleep.
406                  */
407                 ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
408                                 &osk_mistral_wake_interrupt,
409                                 IRQF_SHARED, "mistral_wakeup",
410                                 &osk_mistral_wake_interrupt);
411                 if (ret != 0) {
412                         omap_free_gpio(OMAP_MPUIO(2));
413                         printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
414                                 ret);
415                 } else
416                         enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
417 #endif
418         } else
419                 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
420
421         /* LCD:  backlight, and power; power controls other devices on the
422          * board, like the touchscreen, EEPROM, and wakeup (!) switch.
423          */
424         omap_cfg_reg(PWL);
425         if (omap_request_gpio(2) == 0) {
426                 omap_set_gpio_direction(2, 0 /* out */);
427                 omap_set_gpio_dataout(2, 1 /* on */);
428         }
429
430         platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
431 }
432 #else
433 static void __init osk_mistral_init(void) { }
434 #endif
435
436 #define EMIFS_CS3_VAL   (0x88013141)
437
438 static void __init osk_init(void)
439 {
440         /* Workaround for wrong CS3 (NOR flash) timing
441          * There are some U-Boot versions out there which configure
442          * wrong CS3 memory timings. This mainly leads to CRC
443          * or similar errors if you use NOR flash (e.g. with JFFS2)
444          */
445         if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
446                 EMIFS_CCS(3) = EMIFS_CS3_VAL;
447
448         osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
449         osk_flash_resource.end += SZ_32M - 1;
450         platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
451         omap_board_config = osk_config;
452         omap_board_config_size = ARRAY_SIZE(osk_config);
453         USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
454
455         omap_serial_init();
456         osk_mistral_init();
457 }
458
459 static void __init osk_map_io(void)
460 {
461         omap1_map_common_io();
462 }
463
464 MACHINE_START(OMAP_OSK, "TI-OSK")
465         /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
466         .phys_io        = 0xfff00000,
467         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
468         .boot_params    = 0x10000100,
469         .map_io         = osk_map_io,
470         .init_irq       = osk_init_irq,
471         .init_machine   = osk_init,
472         .timer          = &omap_timer,
473 MACHINE_END