Commit | Line | Data |
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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 | |
ce491cf8 TL |
50 | #include <plat/usb.h> |
51 | #include <plat/mux.h> | |
52 | #include <plat/tc.h> | |
53 | #include <plat/common.h> | |
9b6553cd | 54 | |
3a0110cd TL |
55 | /* At OMAP5912 OSK the Ethernet is directly connected to CS1 */ |
56 | #define OMAP_OSK_ETHR_START 0x04800300 | |
57 | ||
58 | /* TPS65010 has four GPIOs. nPG and LED2 can be treated like GPIOs with | |
59 | * alternate pin configurations for hardware-controlled blinking. | |
60 | */ | |
61 | #define OSK_TPS_GPIO_BASE (OMAP_MAX_GPIO_LINES + 16 /* MPUIO */) | |
62 | # define OSK_TPS_GPIO_USB_PWR_EN (OSK_TPS_GPIO_BASE + 0) | |
63 | # define OSK_TPS_GPIO_LED_D3 (OSK_TPS_GPIO_BASE + 1) | |
64 | # define OSK_TPS_GPIO_LAN_RESET (OSK_TPS_GPIO_BASE + 2) | |
65 | # define OSK_TPS_GPIO_DSP_PWR_EN (OSK_TPS_GPIO_BASE + 3) | |
66 | # define OSK_TPS_GPIO_LED_D9 (OSK_TPS_GPIO_BASE + 4) | |
67 | # define OSK_TPS_GPIO_LED_D2 (OSK_TPS_GPIO_BASE + 5) | |
68 | ||
7c38cf02 TL |
69 | static struct mtd_partition osk_partitions[] = { |
70 | /* bootloader (U-Boot, etc) in first sector */ | |
71 | { | |
72 | .name = "bootloader", | |
73 | .offset = 0, | |
74 | .size = SZ_128K, | |
75 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
76 | }, | |
77 | /* bootloader params in the next sector */ | |
78 | { | |
79 | .name = "params", | |
80 | .offset = MTDPART_OFS_APPEND, | |
81 | .size = SZ_128K, | |
82 | .mask_flags = 0, | |
83 | }, { | |
84 | .name = "kernel", | |
85 | .offset = MTDPART_OFS_APPEND, | |
86 | .size = SZ_2M, | |
87 | .mask_flags = 0 | |
88 | }, { | |
89 | .name = "filesystem", | |
90 | .offset = MTDPART_OFS_APPEND, | |
91 | .size = MTDPART_SIZ_FULL, | |
92 | .mask_flags = 0 | |
93 | } | |
1da177e4 LT |
94 | }; |
95 | ||
7c38cf02 TL |
96 | static struct flash_platform_data osk_flash_data = { |
97 | .map_name = "cfi_probe", | |
98 | .width = 2, | |
99 | .parts = osk_partitions, | |
100 | .nr_parts = ARRAY_SIZE(osk_partitions), | |
101 | }; | |
102 | ||
103 | static struct resource osk_flash_resource = { | |
104 | /* this is on CS3, wherever it's mapped */ | |
105 | .flags = IORESOURCE_MEM, | |
106 | }; | |
107 | ||
108 | static struct platform_device osk5912_flash_device = { | |
109 | .name = "omapflash", | |
110 | .id = 0, | |
111 | .dev = { | |
112 | .platform_data = &osk_flash_data, | |
113 | }, | |
114 | .num_resources = 1, | |
115 | .resource = &osk_flash_resource, | |
116 | }; | |
1da177e4 LT |
117 | |
118 | static struct resource osk5912_smc91x_resources[] = { | |
119 | [0] = { | |
120 | .start = OMAP_OSK_ETHR_START, /* Physical */ | |
121 | .end = OMAP_OSK_ETHR_START + 0xf, | |
122 | .flags = IORESOURCE_MEM, | |
123 | }, | |
124 | [1] = { | |
125 | .start = OMAP_GPIO_IRQ(0), | |
126 | .end = OMAP_GPIO_IRQ(0), | |
e7b3dc7e | 127 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
1da177e4 LT |
128 | }, |
129 | }; | |
130 | ||
131 | static struct platform_device osk5912_smc91x_device = { | |
132 | .name = "smc91x", | |
133 | .id = -1, | |
134 | .num_resources = ARRAY_SIZE(osk5912_smc91x_resources), | |
135 | .resource = osk5912_smc91x_resources, | |
136 | }; | |
137 | ||
138 | static struct resource osk5912_cf_resources[] = { | |
139 | [0] = { | |
140 | .start = OMAP_GPIO_IRQ(62), | |
141 | .end = OMAP_GPIO_IRQ(62), | |
142 | .flags = IORESOURCE_IRQ, | |
143 | }, | |
144 | }; | |
145 | ||
146 | static struct platform_device osk5912_cf_device = { | |
147 | .name = "omap_cf", | |
148 | .id = -1, | |
149 | .dev = { | |
150 | .platform_data = (void *) 2 /* CS2 */, | |
151 | }, | |
152 | .num_resources = ARRAY_SIZE(osk5912_cf_resources), | |
153 | .resource = osk5912_cf_resources, | |
154 | }; | |
155 | ||
156 | static struct platform_device *osk5912_devices[] __initdata = { | |
7c38cf02 | 157 | &osk5912_flash_device, |
1da177e4 LT |
158 | &osk5912_smc91x_device, |
159 | &osk5912_cf_device, | |
160 | }; | |
161 | ||
d94577d5 DB |
162 | static struct gpio_led tps_leds[] = { |
163 | /* NOTE: D9 and D2 have hardware blink support. | |
164 | * Also, D9 requires non-battery power. | |
165 | */ | |
5dd81e25 DB |
166 | { .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9", |
167 | .default_trigger = "ide-disk", }, | |
d94577d5 DB |
168 | { .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", }, |
169 | { .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1, | |
170 | .default_trigger = "heartbeat", }, | |
171 | }; | |
172 | ||
173 | static struct gpio_led_platform_data tps_leds_data = { | |
174 | .num_leds = 3, | |
175 | .leds = tps_leds, | |
176 | }; | |
177 | ||
178 | static struct platform_device osk5912_tps_leds = { | |
179 | .name = "leds-gpio", | |
180 | .id = 0, | |
181 | .dev.platform_data = &tps_leds_data, | |
182 | }; | |
183 | ||
184 | static int osk_tps_setup(struct i2c_client *client, void *context) | |
185 | { | |
186 | /* Set GPIO 1 HIGH to disable VBUS power supply; | |
187 | * OHCI driver powers it up/down as needed. | |
188 | */ | |
189 | gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en"); | |
190 | gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1); | |
191 | ||
192 | /* Set GPIO 2 high so LED D3 is off by default */ | |
193 | tps65010_set_gpio_out_value(GPIO2, HIGH); | |
194 | ||
195 | /* Set GPIO 3 low to take ethernet out of reset */ | |
196 | gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset"); | |
197 | gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0); | |
198 | ||
199 | /* GPIO4 is VDD_DSP */ | |
200 | gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power"); | |
201 | gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1); | |
202 | /* REVISIT if DSP support isn't configured, power it off ... */ | |
203 | ||
204 | /* Let LED1 (D9) blink; leds-gpio may override it */ | |
205 | tps65010_set_led(LED1, BLINK); | |
206 | ||
207 | /* Set LED2 off by default */ | |
208 | tps65010_set_led(LED2, OFF); | |
209 | ||
210 | /* Enable LOW_PWR handshake */ | |
211 | tps65010_set_low_pwr(ON); | |
212 | ||
213 | /* Switch VLDO2 to 3.0V for AIC23 */ | |
214 | tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V | |
215 | | TPS_LDO1_ENABLE); | |
216 | ||
217 | /* register these three LEDs */ | |
218 | osk5912_tps_leds.dev.parent = &client->dev; | |
219 | platform_device_register(&osk5912_tps_leds); | |
220 | ||
221 | return 0; | |
222 | } | |
223 | ||
224 | static struct tps65010_board tps_board = { | |
225 | .base = OSK_TPS_GPIO_BASE, | |
226 | .outmask = 0x0f, | |
227 | .setup = osk_tps_setup, | |
228 | }; | |
229 | ||
8056c6cb DB |
230 | static struct i2c_board_info __initdata osk_i2c_board_info[] = { |
231 | { | |
232 | I2C_BOARD_INFO("tps65010", 0x48), | |
8056c6cb | 233 | .irq = OMAP_GPIO_IRQ(OMAP_MPUIO(1)), |
d94577d5 DB |
234 | .platform_data = &tps_board, |
235 | ||
8056c6cb | 236 | }, |
9b4a3577 AK |
237 | { |
238 | I2C_BOARD_INFO("tlv320aic23", 0x1B), | |
239 | }, | |
8056c6cb | 240 | /* TODO when driver support is ready: |
8056c6cb DB |
241 | * - optionally on Mistral, ov9640 camera sensor at 0x30 |
242 | */ | |
243 | }; | |
244 | ||
1da177e4 LT |
245 | static void __init osk_init_smc91x(void) |
246 | { | |
030b1545 TL |
247 | u32 l; |
248 | ||
ac37a0b0 | 249 | if ((gpio_request(0, "smc_irq")) < 0) { |
1da177e4 LT |
250 | printk("Error requesting gpio 0 for smc91x irq\n"); |
251 | return; | |
252 | } | |
1da177e4 LT |
253 | |
254 | /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */ | |
030b1545 TL |
255 | l = omap_readl(EMIFS_CCS(1)); |
256 | l |= 0x3; | |
257 | omap_writel(l, EMIFS_CCS(1)); | |
1da177e4 LT |
258 | } |
259 | ||
260 | static void __init osk_init_cf(void) | |
261 | { | |
262 | omap_cfg_reg(M7_1610_GPIO62); | |
ac37a0b0 | 263 | if ((gpio_request(62, "cf_irq")) < 0) { |
1da177e4 LT |
264 | printk("Error requesting gpio 62 for CF irq\n"); |
265 | return; | |
266 | } | |
7c38cf02 | 267 | /* the CF I/O IRQ is really active-low */ |
15f74b03 | 268 | set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING); |
1da177e4 LT |
269 | } |
270 | ||
7c38cf02 | 271 | static void __init osk_init_irq(void) |
1da177e4 | 272 | { |
87bd63f6 | 273 | omap1_init_common_hw(); |
1da177e4 LT |
274 | omap_init_irq(); |
275 | omap_gpio_init(); | |
276 | osk_init_smc91x(); | |
277 | osk_init_cf(); | |
278 | } | |
279 | ||
280 | static struct omap_usb_config osk_usb_config __initdata = { | |
281 | /* has usb host connector (A) ... for development it can also | |
282 | * be used, with a NONSTANDARD gender-bending cable/dongle, as | |
283 | * a peripheral. | |
284 | */ | |
285 | #ifdef CONFIG_USB_GADGET_OMAP | |
286 | .register_dev = 1, | |
287 | .hmc_mode = 0, | |
288 | #else | |
289 | .register_host = 1, | |
290 | .hmc_mode = 16, | |
291 | .rwc = 1, | |
292 | #endif | |
293 | .pins[0] = 2, | |
294 | }; | |
295 | ||
78762841 | 296 | #ifdef CONFIG_OMAP_OSK_MISTRAL |
3179a019 | 297 | static struct omap_lcd_config osk_lcd_config __initdata = { |
3179a019 TL |
298 | .ctrl_name = "internal", |
299 | }; | |
78762841 | 300 | #endif |
3179a019 | 301 | |
e27a93a9 | 302 | static struct omap_board_config_kernel osk_config[] __initdata = { |
78762841 | 303 | #ifdef CONFIG_OMAP_OSK_MISTRAL |
3179a019 | 304 | { OMAP_TAG_LCD, &osk_lcd_config }, |
78762841 | 305 | #endif |
1da177e4 LT |
306 | }; |
307 | ||
7c38cf02 TL |
308 | #ifdef CONFIG_OMAP_OSK_MISTRAL |
309 | ||
78762841 | 310 | #include <linux/input.h> |
2430c62e | 311 | #include <linux/i2c/at24.h> |
78762841 DB |
312 | #include <linux/spi/spi.h> |
313 | #include <linux/spi/ads7846.h> | |
314 | ||
ce491cf8 | 315 | #include <plat/keypad.h> |
78762841 | 316 | |
2430c62e DB |
317 | static struct at24_platform_data at24c04 = { |
318 | .byte_len = SZ_4K / 8, | |
319 | .page_size = 16, | |
320 | }; | |
321 | ||
322 | static struct i2c_board_info __initdata mistral_i2c_board_info[] = { | |
323 | { | |
324 | /* NOTE: powered from LCD supply */ | |
325 | I2C_BOARD_INFO("24c04", 0x50), | |
326 | .platform_data = &at24c04, | |
327 | }, | |
328 | /* TODO when driver support is ready: | |
329 | * - optionally ov9640 camera sensor at 0x30 | |
330 | */ | |
331 | }; | |
332 | ||
78762841 DB |
333 | static const int osk_keymap[] = { |
334 | /* KEY(col, row, code) */ | |
335 | KEY(0, 0, KEY_F1), /* SW4 */ | |
336 | KEY(0, 3, KEY_UP), /* (sw2/up) */ | |
337 | KEY(1, 1, KEY_LEFTCTRL), /* SW5 */ | |
338 | KEY(1, 2, KEY_LEFT), /* (sw2/left) */ | |
339 | KEY(2, 0, KEY_SPACE), /* SW3 */ | |
340 | KEY(2, 1, KEY_ESC), /* SW6 */ | |
341 | KEY(2, 2, KEY_DOWN), /* (sw2/down) */ | |
342 | KEY(3, 2, KEY_ENTER), /* (sw2/select) */ | |
343 | KEY(3, 3, KEY_RIGHT), /* (sw2/right) */ | |
344 | 0 | |
345 | }; | |
346 | ||
347 | static struct omap_kp_platform_data osk_kp_data = { | |
4d24607b KS |
348 | .rows = 8, |
349 | .cols = 8, | |
350 | .keymap = (int *) osk_keymap, | |
351 | .keymapsize = ARRAY_SIZE(osk_keymap), | |
352 | .delay = 9, | |
78762841 DB |
353 | }; |
354 | ||
355 | static struct resource osk5912_kp_resources[] = { | |
356 | [0] = { | |
357 | .start = INT_KEYBOARD, | |
358 | .end = INT_KEYBOARD, | |
359 | .flags = IORESOURCE_IRQ, | |
360 | }, | |
361 | }; | |
362 | ||
363 | static struct platform_device osk5912_kp_device = { | |
364 | .name = "omap-keypad", | |
365 | .id = -1, | |
366 | .dev = { | |
367 | .platform_data = &osk_kp_data, | |
368 | }, | |
369 | .num_resources = ARRAY_SIZE(osk5912_kp_resources), | |
370 | .resource = osk5912_kp_resources, | |
371 | }; | |
372 | ||
4dcc6d24 DB |
373 | static struct omap_backlight_config mistral_bl_data = { |
374 | .default_intensity = 0xa0, | |
375 | }; | |
376 | ||
377 | static struct platform_device mistral_bl_device = { | |
378 | .name = "omap-bl", | |
379 | .id = -1, | |
380 | .dev = { | |
381 | .platform_data = &mistral_bl_data, | |
382 | }, | |
383 | }; | |
384 | ||
78762841 DB |
385 | static struct platform_device osk5912_lcd_device = { |
386 | .name = "lcd_osk", | |
387 | .id = -1, | |
388 | }; | |
389 | ||
390 | static struct platform_device *mistral_devices[] __initdata = { | |
391 | &osk5912_kp_device, | |
4dcc6d24 | 392 | &mistral_bl_device, |
78762841 DB |
393 | &osk5912_lcd_device, |
394 | }; | |
395 | ||
e8cdf7bd DB |
396 | static int mistral_get_pendown_state(void) |
397 | { | |
ac37a0b0 | 398 | return !gpio_get_value(4); |
e8cdf7bd DB |
399 | } |
400 | ||
78762841 DB |
401 | static const struct ads7846_platform_data mistral_ts_info = { |
402 | .model = 7846, | |
403 | .vref_delay_usecs = 100, /* internal, no capacitor */ | |
404 | .x_plate_ohms = 419, | |
405 | .y_plate_ohms = 486, | |
e8cdf7bd | 406 | .get_pendown_state = mistral_get_pendown_state, |
78762841 DB |
407 | }; |
408 | ||
409 | static struct spi_board_info __initdata mistral_boardinfo[] = { { | |
410 | /* MicroWire (bus 2) CS0 has an ads7846e */ | |
411 | .modalias = "ads7846", | |
412 | .platform_data = &mistral_ts_info, | |
413 | .irq = OMAP_GPIO_IRQ(4), | |
414 | .max_speed_hz = 120000 /* max sample rate at 3V */ | |
415 | * 26 /* command + data + overhead */, | |
416 | .bus_num = 2, | |
417 | .chip_select = 0, | |
418 | } }; | |
419 | ||
7c38cf02 TL |
420 | #ifdef CONFIG_PM |
421 | static irqreturn_t | |
0cd61b68 | 422 | osk_mistral_wake_interrupt(int irq, void *ignored) |
7c38cf02 TL |
423 | { |
424 | return IRQ_HANDLED; | |
425 | } | |
426 | #endif | |
427 | ||
428 | static void __init osk_mistral_init(void) | |
429 | { | |
78762841 | 430 | /* NOTE: we could actually tell if there's a Mistral board |
7c38cf02 | 431 | * attached, e.g. by trying to read something from the ads7846. |
78762841 DB |
432 | * But this arch_init() code is too early for that, since we |
433 | * can't talk to the ads or even the i2c eeprom. | |
7c38cf02 TL |
434 | */ |
435 | ||
c72d8950 DB |
436 | /* parallel camera interface */ |
437 | omap_cfg_reg(J15_1610_CAM_LCLK); | |
438 | omap_cfg_reg(J18_1610_CAM_D7); | |
439 | omap_cfg_reg(J19_1610_CAM_D6); | |
440 | omap_cfg_reg(J14_1610_CAM_D5); | |
441 | omap_cfg_reg(K18_1610_CAM_D4); | |
442 | omap_cfg_reg(K19_1610_CAM_D3); | |
443 | omap_cfg_reg(K15_1610_CAM_D2); | |
444 | omap_cfg_reg(K14_1610_CAM_D1); | |
445 | omap_cfg_reg(L19_1610_CAM_D0); | |
446 | omap_cfg_reg(L18_1610_CAM_VS); | |
447 | omap_cfg_reg(L15_1610_CAM_HS); | |
448 | omap_cfg_reg(M19_1610_CAM_RSTZ); | |
449 | omap_cfg_reg(Y15_1610_CAM_OUTCLK); | |
450 | ||
451 | /* serial camera interface */ | |
452 | omap_cfg_reg(H19_1610_CAM_EXCLK); | |
453 | omap_cfg_reg(W13_1610_CCP_CLKM); | |
454 | omap_cfg_reg(Y12_1610_CCP_CLKP); | |
455 | /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */ | |
6e2d4107 | 456 | /* omap_cfg_reg(Y14_1610_CCP_DATAM); */ |
c72d8950 DB |
457 | omap_cfg_reg(W14_1610_CCP_DATAP); |
458 | ||
459 | /* CAM_PWDN */ | |
ac37a0b0 | 460 | if (gpio_request(11, "cam_pwdn") == 0) { |
c72d8950 | 461 | omap_cfg_reg(N20_1610_GPIO11); |
ac37a0b0 | 462 | gpio_direction_output(11, 0); |
c72d8950 DB |
463 | } else |
464 | pr_debug("OSK+Mistral: CAM_PWDN is awol\n"); | |
465 | ||
466 | ||
6e2d4107 | 467 | /* omap_cfg_reg(P19_1610_GPIO6); */ /* BUSY */ |
ac37a0b0 DB |
468 | gpio_request(6, "ts_busy"); |
469 | gpio_direction_input(6); | |
470 | ||
6e2d4107 | 471 | omap_cfg_reg(P20_1610_GPIO4); /* PENIRQ */ |
ac37a0b0 DB |
472 | gpio_request(4, "ts_int"); |
473 | gpio_direction_input(4); | |
15f74b03 | 474 | set_irq_type(gpio_to_irq(4), IRQ_TYPE_EDGE_FALLING); |
ac37a0b0 | 475 | |
78762841 DB |
476 | spi_register_board_info(mistral_boardinfo, |
477 | ARRAY_SIZE(mistral_boardinfo)); | |
478 | ||
2430c62e DB |
479 | /* the sideways button (SW1) is for use as a "wakeup" button |
480 | * | |
481 | * NOTE: The Mistral board has the wakeup button (SW1) wired | |
482 | * to the LCD 3.3V rail, which is powered down during suspend. | |
483 | * To allow this button to wake up the omap, work around this | |
484 | * HW bug by rewiring SW1 to use the main 3.3V rail. | |
485 | */ | |
7c38cf02 | 486 | omap_cfg_reg(N15_1610_MPUIO2); |
ac37a0b0 | 487 | if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) { |
7c38cf02 | 488 | int ret = 0; |
15f74b03 | 489 | int irq = gpio_to_irq(OMAP_MPUIO(2)); |
ac37a0b0 DB |
490 | |
491 | gpio_direction_input(OMAP_MPUIO(2)); | |
15f74b03 | 492 | set_irq_type(irq, IRQ_TYPE_EDGE_RISING); |
7c38cf02 TL |
493 | #ifdef CONFIG_PM |
494 | /* share the IRQ in case someone wants to use the | |
495 | * button for more than wakeup from system sleep. | |
496 | */ | |
15f74b03 | 497 | ret = request_irq(irq, |
7c38cf02 | 498 | &osk_mistral_wake_interrupt, |
52e405ea | 499 | IRQF_SHARED, "mistral_wakeup", |
7c38cf02 TL |
500 | &osk_mistral_wake_interrupt); |
501 | if (ret != 0) { | |
ac37a0b0 | 502 | gpio_free(OMAP_MPUIO(2)); |
7c38cf02 TL |
503 | printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n", |
504 | ret); | |
505 | } else | |
15f74b03 | 506 | enable_irq_wake(irq); |
7c38cf02 TL |
507 | #endif |
508 | } else | |
509 | printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n"); | |
78762841 | 510 | |
4dcc6d24 DB |
511 | /* LCD: backlight, and power; power controls other devices on the |
512 | * board, like the touchscreen, EEPROM, and wakeup (!) switch. | |
513 | */ | |
514 | omap_cfg_reg(PWL); | |
ac37a0b0 DB |
515 | if (gpio_request(2, "lcd_pwr") == 0) |
516 | gpio_direction_output(2, 1); | |
4dcc6d24 | 517 | |
2430c62e DB |
518 | i2c_register_board_info(1, mistral_i2c_board_info, |
519 | ARRAY_SIZE(mistral_i2c_board_info)); | |
520 | ||
78762841 | 521 | platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices)); |
7c38cf02 TL |
522 | } |
523 | #else | |
524 | static void __init osk_mistral_init(void) { } | |
525 | #endif | |
526 | ||
9b6553cd TL |
527 | #define EMIFS_CS3_VAL (0x88013141) |
528 | ||
1da177e4 LT |
529 | static void __init osk_init(void) |
530 | { | |
030b1545 TL |
531 | u32 l; |
532 | ||
9b6553cd TL |
533 | /* Workaround for wrong CS3 (NOR flash) timing |
534 | * There are some U-Boot versions out there which configure | |
535 | * wrong CS3 memory timings. This mainly leads to CRC | |
6cbdc8c5 | 536 | * or similar errors if you use NOR flash (e.g. with JFFS2) |
9b6553cd | 537 | */ |
030b1545 TL |
538 | l = omap_readl(EMIFS_CCS(3)); |
539 | if (l != EMIFS_CS3_VAL) | |
540 | omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3)); | |
9b6553cd | 541 | |
7c38cf02 TL |
542 | osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys(); |
543 | osk_flash_resource.end += SZ_32M - 1; | |
1da177e4 LT |
544 | platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices)); |
545 | omap_board_config = osk_config; | |
546 | omap_board_config_size = ARRAY_SIZE(osk_config); | |
f35ae634 TL |
547 | |
548 | l = omap_readl(USB_TRANSCEIVER_CTRL); | |
549 | l |= (3 << 1); | |
550 | omap_writel(l, USB_TRANSCEIVER_CTRL); | |
7c38cf02 | 551 | |
b0b5aa3f FB |
552 | omap_usb_init(&osk_usb_config); |
553 | ||
8056c6cb DB |
554 | /* irq for tps65010 chip */ |
555 | /* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */ | |
556 | if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0) | |
557 | gpio_direction_input(OMAP_MPUIO(1)); | |
558 | ||
3179a019 | 559 | omap_serial_init(); |
1ed16a86 JN |
560 | omap_register_i2c_bus(1, 400, osk_i2c_board_info, |
561 | ARRAY_SIZE(osk_i2c_board_info)); | |
7c38cf02 | 562 | osk_mistral_init(); |
1da177e4 LT |
563 | } |
564 | ||
565 | static void __init osk_map_io(void) | |
566 | { | |
87bd63f6 | 567 | omap1_map_common_io(); |
1da177e4 LT |
568 | } |
569 | ||
570 | MACHINE_START(OMAP_OSK, "TI-OSK") | |
e9dea0c6 | 571 | /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */ |
e9dea0c6 RK |
572 | .phys_io = 0xfff00000, |
573 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, | |
574 | .boot_params = 0x10000100, | |
575 | .map_io = osk_map_io, | |
576 | .init_irq = osk_init_irq, | |
577 | .init_machine = osk_init, | |
1da177e4 LT |
578 | .timer = &omap_timer, |
579 | MACHINE_END |