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1da177e4 | 1 | /* |
dbdf9ced | 2 | * linux/arch/arm/mach-omap1/board-osk.c |
1da177e4 LT |
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> | |
d052d1be | 31 | #include <linux/platform_device.h> |
a524626b | 32 | #include <linux/interrupt.h> |
d533c128 | 33 | #include <linux/irq.h> |
8056c6cb | 34 | #include <linux/i2c.h> |
d94577d5 | 35 | #include <linux/leds.h> |
7c38cf02 TL |
36 | |
37 | #include <linux/mtd/mtd.h> | |
38 | #include <linux/mtd/partitions.h> | |
1da177e4 | 39 | |
6d16bfb5 DB |
40 | #include <linux/i2c/tps65010.h> |
41 | ||
a09e64fb | 42 | #include <mach/hardware.h> |
8056c6cb DB |
43 | #include <asm/gpio.h> |
44 | ||
1da177e4 LT |
45 | #include <asm/mach-types.h> |
46 | #include <asm/mach/arch.h> | |
47 | #include <asm/mach/map.h> | |
7c38cf02 | 48 | #include <asm/mach/flash.h> |
1da177e4 | 49 | |
a09e64fb RK |
50 | #include <mach/usb.h> |
51 | #include <mach/mux.h> | |
52 | #include <mach/tc.h> | |
53 | #include <mach/common.h> | |
9b6553cd | 54 | |
7c38cf02 TL |
55 | static struct mtd_partition osk_partitions[] = { |
56 | /* bootloader (U-Boot, etc) in first sector */ | |
57 | { | |
58 | .name = "bootloader", | |
59 | .offset = 0, | |
60 | .size = SZ_128K, | |
61 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
62 | }, | |
63 | /* bootloader params in the next sector */ | |
64 | { | |
65 | .name = "params", | |
66 | .offset = MTDPART_OFS_APPEND, | |
67 | .size = SZ_128K, | |
68 | .mask_flags = 0, | |
69 | }, { | |
70 | .name = "kernel", | |
71 | .offset = MTDPART_OFS_APPEND, | |
72 | .size = SZ_2M, | |
73 | .mask_flags = 0 | |
74 | }, { | |
75 | .name = "filesystem", | |
76 | .offset = MTDPART_OFS_APPEND, | |
77 | .size = MTDPART_SIZ_FULL, | |
78 | .mask_flags = 0 | |
79 | } | |
1da177e4 LT |
80 | }; |
81 | ||
7c38cf02 TL |
82 | static struct flash_platform_data osk_flash_data = { |
83 | .map_name = "cfi_probe", | |
84 | .width = 2, | |
85 | .parts = osk_partitions, | |
86 | .nr_parts = ARRAY_SIZE(osk_partitions), | |
87 | }; | |
88 | ||
89 | static struct resource osk_flash_resource = { | |
90 | /* this is on CS3, wherever it's mapped */ | |
91 | .flags = IORESOURCE_MEM, | |
92 | }; | |
93 | ||
94 | static struct platform_device osk5912_flash_device = { | |
95 | .name = "omapflash", | |
96 | .id = 0, | |
97 | .dev = { | |
98 | .platform_data = &osk_flash_data, | |
99 | }, | |
100 | .num_resources = 1, | |
101 | .resource = &osk_flash_resource, | |
102 | }; | |
1da177e4 LT |
103 | |
104 | static struct resource osk5912_smc91x_resources[] = { | |
105 | [0] = { | |
106 | .start = OMAP_OSK_ETHR_START, /* Physical */ | |
107 | .end = OMAP_OSK_ETHR_START + 0xf, | |
108 | .flags = IORESOURCE_MEM, | |
109 | }, | |
110 | [1] = { | |
111 | .start = OMAP_GPIO_IRQ(0), | |
112 | .end = OMAP_GPIO_IRQ(0), | |
e7b3dc7e | 113 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
1da177e4 LT |
114 | }, |
115 | }; | |
116 | ||
117 | static struct platform_device osk5912_smc91x_device = { | |
118 | .name = "smc91x", | |
119 | .id = -1, | |
120 | .num_resources = ARRAY_SIZE(osk5912_smc91x_resources), | |
121 | .resource = osk5912_smc91x_resources, | |
122 | }; | |
123 | ||
124 | static struct resource osk5912_cf_resources[] = { | |
125 | [0] = { | |
126 | .start = OMAP_GPIO_IRQ(62), | |
127 | .end = OMAP_GPIO_IRQ(62), | |
128 | .flags = IORESOURCE_IRQ, | |
129 | }, | |
130 | }; | |
131 | ||
132 | static struct platform_device osk5912_cf_device = { | |
133 | .name = "omap_cf", | |
134 | .id = -1, | |
135 | .dev = { | |
136 | .platform_data = (void *) 2 /* CS2 */, | |
137 | }, | |
138 | .num_resources = ARRAY_SIZE(osk5912_cf_resources), | |
139 | .resource = osk5912_cf_resources, | |
140 | }; | |
141 | ||
142 | static struct platform_device *osk5912_devices[] __initdata = { | |
7c38cf02 | 143 | &osk5912_flash_device, |
1da177e4 LT |
144 | &osk5912_smc91x_device, |
145 | &osk5912_cf_device, | |
146 | }; | |
147 | ||
d94577d5 DB |
148 | static struct gpio_led tps_leds[] = { |
149 | /* NOTE: D9 and D2 have hardware blink support. | |
150 | * Also, D9 requires non-battery power. | |
151 | */ | |
5dd81e25 DB |
152 | { .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9", |
153 | .default_trigger = "ide-disk", }, | |
d94577d5 DB |
154 | { .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", }, |
155 | { .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1, | |
156 | .default_trigger = "heartbeat", }, | |
157 | }; | |
158 | ||
159 | static struct gpio_led_platform_data tps_leds_data = { | |
160 | .num_leds = 3, | |
161 | .leds = tps_leds, | |
162 | }; | |
163 | ||
164 | static struct platform_device osk5912_tps_leds = { | |
165 | .name = "leds-gpio", | |
166 | .id = 0, | |
167 | .dev.platform_data = &tps_leds_data, | |
168 | }; | |
169 | ||
170 | static int osk_tps_setup(struct i2c_client *client, void *context) | |
171 | { | |
172 | /* Set GPIO 1 HIGH to disable VBUS power supply; | |
173 | * OHCI driver powers it up/down as needed. | |
174 | */ | |
175 | gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en"); | |
176 | gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1); | |
177 | ||
178 | /* Set GPIO 2 high so LED D3 is off by default */ | |
179 | tps65010_set_gpio_out_value(GPIO2, HIGH); | |
180 | ||
181 | /* Set GPIO 3 low to take ethernet out of reset */ | |
182 | gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset"); | |
183 | gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0); | |
184 | ||
185 | /* GPIO4 is VDD_DSP */ | |
186 | gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power"); | |
187 | gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1); | |
188 | /* REVISIT if DSP support isn't configured, power it off ... */ | |
189 | ||
190 | /* Let LED1 (D9) blink; leds-gpio may override it */ | |
191 | tps65010_set_led(LED1, BLINK); | |
192 | ||
193 | /* Set LED2 off by default */ | |
194 | tps65010_set_led(LED2, OFF); | |
195 | ||
196 | /* Enable LOW_PWR handshake */ | |
197 | tps65010_set_low_pwr(ON); | |
198 | ||
199 | /* Switch VLDO2 to 3.0V for AIC23 */ | |
200 | tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V | |
201 | | TPS_LDO1_ENABLE); | |
202 | ||
203 | /* register these three LEDs */ | |
204 | osk5912_tps_leds.dev.parent = &client->dev; | |
205 | platform_device_register(&osk5912_tps_leds); | |
206 | ||
207 | return 0; | |
208 | } | |
209 | ||
210 | static struct tps65010_board tps_board = { | |
211 | .base = OSK_TPS_GPIO_BASE, | |
212 | .outmask = 0x0f, | |
213 | .setup = osk_tps_setup, | |
214 | }; | |
215 | ||
8056c6cb DB |
216 | static struct i2c_board_info __initdata osk_i2c_board_info[] = { |
217 | { | |
218 | I2C_BOARD_INFO("tps65010", 0x48), | |
8056c6cb | 219 | .irq = OMAP_GPIO_IRQ(OMAP_MPUIO(1)), |
d94577d5 DB |
220 | .platform_data = &tps_board, |
221 | ||
8056c6cb | 222 | }, |
9b4a3577 AK |
223 | { |
224 | I2C_BOARD_INFO("tlv320aic23", 0x1B), | |
225 | }, | |
8056c6cb | 226 | /* TODO when driver support is ready: |
8056c6cb DB |
227 | * - optionally on Mistral, ov9640 camera sensor at 0x30 |
228 | */ | |
229 | }; | |
230 | ||
1da177e4 LT |
231 | static void __init osk_init_smc91x(void) |
232 | { | |
030b1545 TL |
233 | u32 l; |
234 | ||
ac37a0b0 | 235 | if ((gpio_request(0, "smc_irq")) < 0) { |
1da177e4 LT |
236 | printk("Error requesting gpio 0 for smc91x irq\n"); |
237 | return; | |
238 | } | |
1da177e4 LT |
239 | |
240 | /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */ | |
030b1545 TL |
241 | l = omap_readl(EMIFS_CCS(1)); |
242 | l |= 0x3; | |
243 | omap_writel(l, EMIFS_CCS(1)); | |
1da177e4 LT |
244 | } |
245 | ||
246 | static void __init osk_init_cf(void) | |
247 | { | |
248 | omap_cfg_reg(M7_1610_GPIO62); | |
ac37a0b0 | 249 | if ((gpio_request(62, "cf_irq")) < 0) { |
1da177e4 LT |
250 | printk("Error requesting gpio 62 for CF irq\n"); |
251 | return; | |
252 | } | |
7c38cf02 | 253 | /* the CF I/O IRQ is really active-low */ |
15f74b03 | 254 | set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING); |
1da177e4 LT |
255 | } |
256 | ||
7c38cf02 | 257 | static void __init osk_init_irq(void) |
1da177e4 | 258 | { |
87bd63f6 | 259 | omap1_init_common_hw(); |
1da177e4 LT |
260 | omap_init_irq(); |
261 | omap_gpio_init(); | |
262 | osk_init_smc91x(); | |
263 | osk_init_cf(); | |
264 | } | |
265 | ||
266 | static struct omap_usb_config osk_usb_config __initdata = { | |
267 | /* has usb host connector (A) ... for development it can also | |
268 | * be used, with a NONSTANDARD gender-bending cable/dongle, as | |
269 | * a peripheral. | |
270 | */ | |
271 | #ifdef CONFIG_USB_GADGET_OMAP | |
272 | .register_dev = 1, | |
273 | .hmc_mode = 0, | |
274 | #else | |
275 | .register_host = 1, | |
276 | .hmc_mode = 16, | |
277 | .rwc = 1, | |
278 | #endif | |
279 | .pins[0] = 2, | |
280 | }; | |
281 | ||
3179a019 TL |
282 | static struct omap_uart_config osk_uart_config __initdata = { |
283 | .enabled_uarts = (1 << 0), | |
284 | }; | |
285 | ||
78762841 | 286 | #ifdef CONFIG_OMAP_OSK_MISTRAL |
3179a019 | 287 | static struct omap_lcd_config osk_lcd_config __initdata = { |
3179a019 TL |
288 | .ctrl_name = "internal", |
289 | }; | |
78762841 | 290 | #endif |
3179a019 | 291 | |
e27a93a9 | 292 | static struct omap_board_config_kernel osk_config[] __initdata = { |
1da177e4 | 293 | { OMAP_TAG_USB, &osk_usb_config }, |
3179a019 | 294 | { OMAP_TAG_UART, &osk_uart_config }, |
78762841 | 295 | #ifdef CONFIG_OMAP_OSK_MISTRAL |
3179a019 | 296 | { OMAP_TAG_LCD, &osk_lcd_config }, |
78762841 | 297 | #endif |
1da177e4 LT |
298 | }; |
299 | ||
7c38cf02 TL |
300 | #ifdef CONFIG_OMAP_OSK_MISTRAL |
301 | ||
78762841 | 302 | #include <linux/input.h> |
2430c62e | 303 | #include <linux/i2c/at24.h> |
78762841 DB |
304 | #include <linux/spi/spi.h> |
305 | #include <linux/spi/ads7846.h> | |
306 | ||
a09e64fb | 307 | #include <mach/keypad.h> |
78762841 | 308 | |
2430c62e DB |
309 | static struct at24_platform_data at24c04 = { |
310 | .byte_len = SZ_4K / 8, | |
311 | .page_size = 16, | |
312 | }; | |
313 | ||
314 | static struct i2c_board_info __initdata mistral_i2c_board_info[] = { | |
315 | { | |
316 | /* NOTE: powered from LCD supply */ | |
317 | I2C_BOARD_INFO("24c04", 0x50), | |
318 | .platform_data = &at24c04, | |
319 | }, | |
320 | /* TODO when driver support is ready: | |
321 | * - optionally ov9640 camera sensor at 0x30 | |
322 | */ | |
323 | }; | |
324 | ||
78762841 DB |
325 | static const int osk_keymap[] = { |
326 | /* KEY(col, row, code) */ | |
327 | KEY(0, 0, KEY_F1), /* SW4 */ | |
328 | KEY(0, 3, KEY_UP), /* (sw2/up) */ | |
329 | KEY(1, 1, KEY_LEFTCTRL), /* SW5 */ | |
330 | KEY(1, 2, KEY_LEFT), /* (sw2/left) */ | |
331 | KEY(2, 0, KEY_SPACE), /* SW3 */ | |
332 | KEY(2, 1, KEY_ESC), /* SW6 */ | |
333 | KEY(2, 2, KEY_DOWN), /* (sw2/down) */ | |
334 | KEY(3, 2, KEY_ENTER), /* (sw2/select) */ | |
335 | KEY(3, 3, KEY_RIGHT), /* (sw2/right) */ | |
336 | 0 | |
337 | }; | |
338 | ||
339 | static struct omap_kp_platform_data osk_kp_data = { | |
4d24607b KS |
340 | .rows = 8, |
341 | .cols = 8, | |
342 | .keymap = (int *) osk_keymap, | |
343 | .keymapsize = ARRAY_SIZE(osk_keymap), | |
344 | .delay = 9, | |
78762841 DB |
345 | }; |
346 | ||
347 | static struct resource osk5912_kp_resources[] = { | |
348 | [0] = { | |
349 | .start = INT_KEYBOARD, | |
350 | .end = INT_KEYBOARD, | |
351 | .flags = IORESOURCE_IRQ, | |
352 | }, | |
353 | }; | |
354 | ||
355 | static struct platform_device osk5912_kp_device = { | |
356 | .name = "omap-keypad", | |
357 | .id = -1, | |
358 | .dev = { | |
359 | .platform_data = &osk_kp_data, | |
360 | }, | |
361 | .num_resources = ARRAY_SIZE(osk5912_kp_resources), | |
362 | .resource = osk5912_kp_resources, | |
363 | }; | |
364 | ||
4dcc6d24 DB |
365 | static struct omap_backlight_config mistral_bl_data = { |
366 | .default_intensity = 0xa0, | |
367 | }; | |
368 | ||
369 | static struct platform_device mistral_bl_device = { | |
370 | .name = "omap-bl", | |
371 | .id = -1, | |
372 | .dev = { | |
373 | .platform_data = &mistral_bl_data, | |
374 | }, | |
375 | }; | |
376 | ||
78762841 DB |
377 | static struct platform_device osk5912_lcd_device = { |
378 | .name = "lcd_osk", | |
379 | .id = -1, | |
380 | }; | |
381 | ||
382 | static struct platform_device *mistral_devices[] __initdata = { | |
383 | &osk5912_kp_device, | |
4dcc6d24 | 384 | &mistral_bl_device, |
78762841 DB |
385 | &osk5912_lcd_device, |
386 | }; | |
387 | ||
e8cdf7bd DB |
388 | static int mistral_get_pendown_state(void) |
389 | { | |
ac37a0b0 | 390 | return !gpio_get_value(4); |
e8cdf7bd DB |
391 | } |
392 | ||
78762841 DB |
393 | static const struct ads7846_platform_data mistral_ts_info = { |
394 | .model = 7846, | |
395 | .vref_delay_usecs = 100, /* internal, no capacitor */ | |
396 | .x_plate_ohms = 419, | |
397 | .y_plate_ohms = 486, | |
e8cdf7bd | 398 | .get_pendown_state = mistral_get_pendown_state, |
78762841 DB |
399 | }; |
400 | ||
401 | static struct spi_board_info __initdata mistral_boardinfo[] = { { | |
402 | /* MicroWire (bus 2) CS0 has an ads7846e */ | |
403 | .modalias = "ads7846", | |
404 | .platform_data = &mistral_ts_info, | |
405 | .irq = OMAP_GPIO_IRQ(4), | |
406 | .max_speed_hz = 120000 /* max sample rate at 3V */ | |
407 | * 26 /* command + data + overhead */, | |
408 | .bus_num = 2, | |
409 | .chip_select = 0, | |
410 | } }; | |
411 | ||
7c38cf02 TL |
412 | #ifdef CONFIG_PM |
413 | static irqreturn_t | |
0cd61b68 | 414 | osk_mistral_wake_interrupt(int irq, void *ignored) |
7c38cf02 TL |
415 | { |
416 | return IRQ_HANDLED; | |
417 | } | |
418 | #endif | |
419 | ||
420 | static void __init osk_mistral_init(void) | |
421 | { | |
78762841 | 422 | /* NOTE: we could actually tell if there's a Mistral board |
7c38cf02 | 423 | * attached, e.g. by trying to read something from the ads7846. |
78762841 DB |
424 | * But this arch_init() code is too early for that, since we |
425 | * can't talk to the ads or even the i2c eeprom. | |
7c38cf02 TL |
426 | */ |
427 | ||
c72d8950 DB |
428 | /* parallel camera interface */ |
429 | omap_cfg_reg(J15_1610_CAM_LCLK); | |
430 | omap_cfg_reg(J18_1610_CAM_D7); | |
431 | omap_cfg_reg(J19_1610_CAM_D6); | |
432 | omap_cfg_reg(J14_1610_CAM_D5); | |
433 | omap_cfg_reg(K18_1610_CAM_D4); | |
434 | omap_cfg_reg(K19_1610_CAM_D3); | |
435 | omap_cfg_reg(K15_1610_CAM_D2); | |
436 | omap_cfg_reg(K14_1610_CAM_D1); | |
437 | omap_cfg_reg(L19_1610_CAM_D0); | |
438 | omap_cfg_reg(L18_1610_CAM_VS); | |
439 | omap_cfg_reg(L15_1610_CAM_HS); | |
440 | omap_cfg_reg(M19_1610_CAM_RSTZ); | |
441 | omap_cfg_reg(Y15_1610_CAM_OUTCLK); | |
442 | ||
443 | /* serial camera interface */ | |
444 | omap_cfg_reg(H19_1610_CAM_EXCLK); | |
445 | omap_cfg_reg(W13_1610_CCP_CLKM); | |
446 | omap_cfg_reg(Y12_1610_CCP_CLKP); | |
447 | /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */ | |
6e2d4107 | 448 | /* omap_cfg_reg(Y14_1610_CCP_DATAM); */ |
c72d8950 DB |
449 | omap_cfg_reg(W14_1610_CCP_DATAP); |
450 | ||
451 | /* CAM_PWDN */ | |
ac37a0b0 | 452 | if (gpio_request(11, "cam_pwdn") == 0) { |
c72d8950 | 453 | omap_cfg_reg(N20_1610_GPIO11); |
ac37a0b0 | 454 | gpio_direction_output(11, 0); |
c72d8950 DB |
455 | } else |
456 | pr_debug("OSK+Mistral: CAM_PWDN is awol\n"); | |
457 | ||
458 | ||
6e2d4107 | 459 | /* omap_cfg_reg(P19_1610_GPIO6); */ /* BUSY */ |
ac37a0b0 DB |
460 | gpio_request(6, "ts_busy"); |
461 | gpio_direction_input(6); | |
462 | ||
6e2d4107 | 463 | omap_cfg_reg(P20_1610_GPIO4); /* PENIRQ */ |
ac37a0b0 DB |
464 | gpio_request(4, "ts_int"); |
465 | gpio_direction_input(4); | |
15f74b03 | 466 | set_irq_type(gpio_to_irq(4), IRQ_TYPE_EDGE_FALLING); |
ac37a0b0 | 467 | |
78762841 DB |
468 | spi_register_board_info(mistral_boardinfo, |
469 | ARRAY_SIZE(mistral_boardinfo)); | |
470 | ||
2430c62e DB |
471 | /* the sideways button (SW1) is for use as a "wakeup" button |
472 | * | |
473 | * NOTE: The Mistral board has the wakeup button (SW1) wired | |
474 | * to the LCD 3.3V rail, which is powered down during suspend. | |
475 | * To allow this button to wake up the omap, work around this | |
476 | * HW bug by rewiring SW1 to use the main 3.3V rail. | |
477 | */ | |
7c38cf02 | 478 | omap_cfg_reg(N15_1610_MPUIO2); |
ac37a0b0 | 479 | if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) { |
7c38cf02 | 480 | int ret = 0; |
15f74b03 | 481 | int irq = gpio_to_irq(OMAP_MPUIO(2)); |
ac37a0b0 DB |
482 | |
483 | gpio_direction_input(OMAP_MPUIO(2)); | |
15f74b03 | 484 | set_irq_type(irq, IRQ_TYPE_EDGE_RISING); |
7c38cf02 TL |
485 | #ifdef CONFIG_PM |
486 | /* share the IRQ in case someone wants to use the | |
487 | * button for more than wakeup from system sleep. | |
488 | */ | |
15f74b03 | 489 | ret = request_irq(irq, |
7c38cf02 | 490 | &osk_mistral_wake_interrupt, |
52e405ea | 491 | IRQF_SHARED, "mistral_wakeup", |
7c38cf02 TL |
492 | &osk_mistral_wake_interrupt); |
493 | if (ret != 0) { | |
ac37a0b0 | 494 | gpio_free(OMAP_MPUIO(2)); |
7c38cf02 TL |
495 | printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n", |
496 | ret); | |
497 | } else | |
15f74b03 | 498 | enable_irq_wake(irq); |
7c38cf02 TL |
499 | #endif |
500 | } else | |
501 | printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n"); | |
78762841 | 502 | |
4dcc6d24 DB |
503 | /* LCD: backlight, and power; power controls other devices on the |
504 | * board, like the touchscreen, EEPROM, and wakeup (!) switch. | |
505 | */ | |
506 | omap_cfg_reg(PWL); | |
ac37a0b0 DB |
507 | if (gpio_request(2, "lcd_pwr") == 0) |
508 | gpio_direction_output(2, 1); | |
4dcc6d24 | 509 | |
2430c62e DB |
510 | i2c_register_board_info(1, mistral_i2c_board_info, |
511 | ARRAY_SIZE(mistral_i2c_board_info)); | |
512 | ||
78762841 | 513 | platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices)); |
7c38cf02 TL |
514 | } |
515 | #else | |
516 | static void __init osk_mistral_init(void) { } | |
517 | #endif | |
518 | ||
9b6553cd TL |
519 | #define EMIFS_CS3_VAL (0x88013141) |
520 | ||
1da177e4 LT |
521 | static void __init osk_init(void) |
522 | { | |
030b1545 TL |
523 | u32 l; |
524 | ||
9b6553cd TL |
525 | /* Workaround for wrong CS3 (NOR flash) timing |
526 | * There are some U-Boot versions out there which configure | |
527 | * wrong CS3 memory timings. This mainly leads to CRC | |
6cbdc8c5 | 528 | * or similar errors if you use NOR flash (e.g. with JFFS2) |
9b6553cd | 529 | */ |
030b1545 TL |
530 | l = omap_readl(EMIFS_CCS(3)); |
531 | if (l != EMIFS_CS3_VAL) | |
532 | omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3)); | |
9b6553cd | 533 | |
7c38cf02 TL |
534 | osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys(); |
535 | osk_flash_resource.end += SZ_32M - 1; | |
1da177e4 LT |
536 | platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices)); |
537 | omap_board_config = osk_config; | |
538 | omap_board_config_size = ARRAY_SIZE(osk_config); | |
f35ae634 TL |
539 | |
540 | l = omap_readl(USB_TRANSCEIVER_CTRL); | |
541 | l |= (3 << 1); | |
542 | omap_writel(l, USB_TRANSCEIVER_CTRL); | |
7c38cf02 | 543 | |
8056c6cb DB |
544 | /* irq for tps65010 chip */ |
545 | /* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */ | |
546 | if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0) | |
547 | gpio_direction_input(OMAP_MPUIO(1)); | |
548 | ||
3179a019 | 549 | omap_serial_init(); |
1ed16a86 JN |
550 | omap_register_i2c_bus(1, 400, osk_i2c_board_info, |
551 | ARRAY_SIZE(osk_i2c_board_info)); | |
7c38cf02 | 552 | osk_mistral_init(); |
1da177e4 LT |
553 | } |
554 | ||
555 | static void __init osk_map_io(void) | |
556 | { | |
87bd63f6 | 557 | omap1_map_common_io(); |
1da177e4 LT |
558 | } |
559 | ||
560 | MACHINE_START(OMAP_OSK, "TI-OSK") | |
e9dea0c6 | 561 | /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */ |
e9dea0c6 RK |
562 | .phys_io = 0xfff00000, |
563 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, | |
564 | .boot_params = 0x10000100, | |
565 | .map_io = osk_map_io, | |
566 | .init_irq = osk_init_irq, | |
567 | .init_machine = osk_init, | |
1da177e4 LT |
568 | .timer = &omap_timer, |
569 | MACHINE_END |