2 * linux/arch/arm/mach-omap1/board-osk.c
4 * Board specific init for OMAP5912 OSK
6 * Written by Dirk Behme <dirk.behme@de.bosch.com>
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.
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.
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.
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>
36 #include <linux/mtd/mtd.h>
37 #include <linux/mtd/partitions.h>
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>
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>
53 static struct mtd_partition osk_partitions
[] = {
54 /* bootloader (U-Boot, etc) in first sector */
59 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
61 /* bootloader params in the next sector */
64 .offset
= MTDPART_OFS_APPEND
,
69 .offset
= MTDPART_OFS_APPEND
,
74 .offset
= MTDPART_OFS_APPEND
,
75 .size
= MTDPART_SIZ_FULL
,
80 static struct flash_platform_data osk_flash_data
= {
81 .map_name
= "cfi_probe",
83 .parts
= osk_partitions
,
84 .nr_parts
= ARRAY_SIZE(osk_partitions
),
87 static struct resource osk_flash_resource
= {
88 /* this is on CS3, wherever it's mapped */
89 .flags
= IORESOURCE_MEM
,
92 static struct platform_device osk5912_flash_device
= {
96 .platform_data
= &osk_flash_data
,
99 .resource
= &osk_flash_resource
,
102 static struct resource osk5912_smc91x_resources
[] = {
104 .start
= OMAP_OSK_ETHR_START
, /* Physical */
105 .end
= OMAP_OSK_ETHR_START
+ 0xf,
106 .flags
= IORESOURCE_MEM
,
109 .start
= OMAP_GPIO_IRQ(0),
110 .end
= OMAP_GPIO_IRQ(0),
111 .flags
= IORESOURCE_IRQ
,
115 static struct platform_device osk5912_smc91x_device
= {
118 .num_resources
= ARRAY_SIZE(osk5912_smc91x_resources
),
119 .resource
= osk5912_smc91x_resources
,
122 static struct resource osk5912_cf_resources
[] = {
124 .start
= OMAP_GPIO_IRQ(62),
125 .end
= OMAP_GPIO_IRQ(62),
126 .flags
= IORESOURCE_IRQ
,
130 static struct platform_device osk5912_cf_device
= {
134 .platform_data
= (void *) 2 /* CS2 */,
136 .num_resources
= ARRAY_SIZE(osk5912_cf_resources
),
137 .resource
= osk5912_cf_resources
,
140 #define DEFAULT_BITPERSAMPLE 16
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 */
157 static struct omap_alsa_codec_config alsa_config
= {
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,
168 static struct platform_device osk5912_mcbsp1_device
= {
169 .name
= "omap_alsa_mcbsp",
172 .platform_data
= &alsa_config
,
176 static struct platform_device
*osk5912_devices
[] __initdata
= {
177 &osk5912_flash_device
,
178 &osk5912_smc91x_device
,
180 &osk5912_mcbsp1_device
,
183 static void __init
osk_init_smc91x(void)
185 if ((omap_request_gpio(0)) < 0) {
186 printk("Error requesting gpio 0 for smc91x irq\n");
190 /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
194 static void __init
osk_init_cf(void)
196 omap_cfg_reg(M7_1610_GPIO62
);
197 if ((omap_request_gpio(62)) < 0) {
198 printk("Error requesting gpio 62 for CF irq\n");
201 /* the CF I/O IRQ is really active-low */
202 set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING
);
205 static void __init
osk_init_irq(void)
207 omap1_init_common_hw();
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
219 #ifdef CONFIG_USB_GADGET_OMAP
230 static struct omap_uart_config osk_uart_config __initdata
= {
231 .enabled_uarts
= (1 << 0),
234 #ifdef CONFIG_OMAP_OSK_MISTRAL
235 static struct omap_lcd_config osk_lcd_config __initdata
= {
236 .ctrl_name
= "internal",
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
},
248 #ifdef CONFIG_OMAP_OSK_MISTRAL
250 #include <linux/input.h>
251 #include <linux/spi/spi.h>
252 #include <linux/spi/ads7846.h>
254 #include <asm/arch/keypad.h>
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) */
270 static struct omap_kp_platform_data osk_kp_data
= {
273 .keymap
= (int *) osk_keymap
,
274 .keymapsize
= ARRAY_SIZE(osk_keymap
),
278 static struct resource osk5912_kp_resources
[] = {
280 .start
= INT_KEYBOARD
,
282 .flags
= IORESOURCE_IRQ
,
286 static struct platform_device osk5912_kp_device
= {
287 .name
= "omap-keypad",
290 .platform_data
= &osk_kp_data
,
292 .num_resources
= ARRAY_SIZE(osk5912_kp_resources
),
293 .resource
= osk5912_kp_resources
,
296 static struct omap_backlight_config mistral_bl_data
= {
297 .default_intensity
= 0xa0,
300 static struct platform_device mistral_bl_device
= {
304 .platform_data
= &mistral_bl_data
,
308 static struct platform_device osk5912_lcd_device
= {
313 static struct platform_device
*mistral_devices
[] __initdata
= {
319 static int mistral_get_pendown_state(void)
321 return !omap_get_gpio_datain(4);
324 static const struct ads7846_platform_data mistral_ts_info
= {
326 .vref_delay_usecs
= 100, /* internal, no capacitor */
329 .get_pendown_state
= mistral_get_pendown_state
,
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 */,
345 osk_mistral_wake_interrupt(int irq
, void *ignored
)
351 static void __init
osk_mistral_init(void)
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.
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
);
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
);
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 */);
388 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
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
));
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) {
401 omap_set_gpio_direction(OMAP_MPUIO(2), 1);
402 set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING
);
404 /* share the IRQ in case someone wants to use the
405 * button for more than wakeup from system sleep.
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
);
412 omap_free_gpio(OMAP_MPUIO(2));
413 printk(KERN_ERR
"OSK+Mistral: no wakeup irq, %d?\n",
416 enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
419 printk(KERN_ERR
"OSK+Mistral: wakeup button is awol\n");
421 /* LCD: backlight, and power; power controls other devices on the
422 * board, like the touchscreen, EEPROM, and wakeup (!) switch.
425 if (omap_request_gpio(2) == 0) {
426 omap_set_gpio_direction(2, 0 /* out */);
427 omap_set_gpio_dataout(2, 1 /* on */);
430 platform_add_devices(mistral_devices
, ARRAY_SIZE(mistral_devices
));
433 static void __init
osk_mistral_init(void) { }
436 #define EMIFS_CS3_VAL (0x88013141)
438 static void __init
osk_init(void)
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)
445 if (EMIFS_CCS(3) != EMIFS_CS3_VAL
)
446 EMIFS_CCS(3) = EMIFS_CS3_VAL
;
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);
459 static void __init
osk_map_io(void)
461 omap1_map_common_io();
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
,