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/irq.h>
33 #include <linux/interrupt.h>
34 #include <linux/i2c.h>
36 #include <linux/mtd/mtd.h>
37 #include <linux/mtd/partitions.h>
39 #include <asm/hardware.h>
42 #include <asm/mach-types.h>
43 #include <asm/mach/arch.h>
44 #include <asm/mach/map.h>
45 #include <asm/mach/flash.h>
47 #include <asm/arch/usb.h>
48 #include <asm/arch/tps65010.h>
49 #include <asm/arch/mux.h>
50 #include <asm/arch/tc.h>
51 #include <asm/arch/common.h>
52 #include <asm/arch/mcbsp.h>
53 #include <asm/arch/omap-alsa.h>
55 static struct mtd_partition osk_partitions
[] = {
56 /* bootloader (U-Boot, etc) in first sector */
61 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
63 /* bootloader params in the next sector */
66 .offset
= MTDPART_OFS_APPEND
,
71 .offset
= MTDPART_OFS_APPEND
,
76 .offset
= MTDPART_OFS_APPEND
,
77 .size
= MTDPART_SIZ_FULL
,
82 static struct flash_platform_data osk_flash_data
= {
83 .map_name
= "cfi_probe",
85 .parts
= osk_partitions
,
86 .nr_parts
= ARRAY_SIZE(osk_partitions
),
89 static struct resource osk_flash_resource
= {
90 /* this is on CS3, wherever it's mapped */
91 .flags
= IORESOURCE_MEM
,
94 static struct platform_device osk5912_flash_device
= {
98 .platform_data
= &osk_flash_data
,
101 .resource
= &osk_flash_resource
,
104 static struct resource osk5912_smc91x_resources
[] = {
106 .start
= OMAP_OSK_ETHR_START
, /* Physical */
107 .end
= OMAP_OSK_ETHR_START
+ 0xf,
108 .flags
= IORESOURCE_MEM
,
111 .start
= OMAP_GPIO_IRQ(0),
112 .end
= OMAP_GPIO_IRQ(0),
113 .flags
= IORESOURCE_IRQ
,
117 static struct platform_device osk5912_smc91x_device
= {
120 .num_resources
= ARRAY_SIZE(osk5912_smc91x_resources
),
121 .resource
= osk5912_smc91x_resources
,
124 static struct resource osk5912_cf_resources
[] = {
126 .start
= OMAP_GPIO_IRQ(62),
127 .end
= OMAP_GPIO_IRQ(62),
128 .flags
= IORESOURCE_IRQ
,
132 static struct platform_device osk5912_cf_device
= {
136 .platform_data
= (void *) 2 /* CS2 */,
138 .num_resources
= ARRAY_SIZE(osk5912_cf_resources
),
139 .resource
= osk5912_cf_resources
,
142 #define DEFAULT_BITPERSAMPLE 16
144 static struct omap_mcbsp_reg_cfg mcbsp_regs
= {
145 .spcr2
= FREE
| FRST
| GRST
| XRST
| XINTM(3),
146 .spcr1
= RINTM(3) | RRST
,
147 .rcr2
= RPHASE
| RFRLEN2(OMAP_MCBSP_WORD_8
) |
148 RWDLEN2(OMAP_MCBSP_WORD_16
) | RDATDLY(0),
149 .rcr1
= RFRLEN1(OMAP_MCBSP_WORD_8
) | RWDLEN1(OMAP_MCBSP_WORD_16
),
150 .xcr2
= XPHASE
| XFRLEN2(OMAP_MCBSP_WORD_8
) |
151 XWDLEN2(OMAP_MCBSP_WORD_16
) | XDATDLY(0) | XFIG
,
152 .xcr1
= XFRLEN1(OMAP_MCBSP_WORD_8
) | XWDLEN1(OMAP_MCBSP_WORD_16
),
153 .srgr1
= FWID(DEFAULT_BITPERSAMPLE
- 1),
154 .srgr2
= GSYNC
| CLKSP
| FSGM
| FPER(DEFAULT_BITPERSAMPLE
* 2 - 1),
155 /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
156 .pcr0
= CLKXP
| CLKRP
, /* mcbsp: slave */
159 static struct omap_alsa_codec_config alsa_config
= {
161 .mcbsp_regs_alsa
= &mcbsp_regs
,
162 .codec_configure_dev
= NULL
, // aic23_configure,
163 .codec_set_samplerate
= NULL
, // aic23_set_samplerate,
164 .codec_clock_setup
= NULL
, // aic23_clock_setup,
165 .codec_clock_on
= NULL
, // aic23_clock_on,
166 .codec_clock_off
= NULL
, // aic23_clock_off,
167 .get_default_samplerate
= NULL
, // aic23_get_default_samplerate,
170 static struct platform_device osk5912_mcbsp1_device
= {
171 .name
= "omap_alsa_mcbsp",
174 .platform_data
= &alsa_config
,
178 static struct platform_device
*osk5912_devices
[] __initdata
= {
179 &osk5912_flash_device
,
180 &osk5912_smc91x_device
,
182 &osk5912_mcbsp1_device
,
185 static struct i2c_board_info __initdata osk_i2c_board_info
[] = {
187 I2C_BOARD_INFO("tps65010", 0x48),
189 .irq
= OMAP_GPIO_IRQ(OMAP_MPUIO(1)),
191 /* TODO when driver support is ready:
192 * - aic23 audio chip at 0x1a
193 * - on Mistral, 24c04 eeprom at 0x50
194 * - optionally on Mistral, ov9640 camera sensor at 0x30
198 static void __init
osk_init_smc91x(void)
200 if ((omap_request_gpio(0)) < 0) {
201 printk("Error requesting gpio 0 for smc91x irq\n");
205 /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
209 static void __init
osk_init_cf(void)
211 omap_cfg_reg(M7_1610_GPIO62
);
212 if ((omap_request_gpio(62)) < 0) {
213 printk("Error requesting gpio 62 for CF irq\n");
216 /* the CF I/O IRQ is really active-low */
217 set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING
);
220 static void __init
osk_init_irq(void)
222 omap1_init_common_hw();
229 static struct omap_usb_config osk_usb_config __initdata
= {
230 /* has usb host connector (A) ... for development it can also
231 * be used, with a NONSTANDARD gender-bending cable/dongle, as
234 #ifdef CONFIG_USB_GADGET_OMAP
245 static struct omap_uart_config osk_uart_config __initdata
= {
246 .enabled_uarts
= (1 << 0),
249 #ifdef CONFIG_OMAP_OSK_MISTRAL
250 static struct omap_lcd_config osk_lcd_config __initdata
= {
251 .ctrl_name
= "internal",
255 static struct omap_board_config_kernel osk_config
[] = {
256 { OMAP_TAG_USB
, &osk_usb_config
},
257 { OMAP_TAG_UART
, &osk_uart_config
},
258 #ifdef CONFIG_OMAP_OSK_MISTRAL
259 { OMAP_TAG_LCD
, &osk_lcd_config
},
263 #ifdef CONFIG_OMAP_OSK_MISTRAL
265 #include <linux/input.h>
266 #include <linux/spi/spi.h>
267 #include <linux/spi/ads7846.h>
269 #include <asm/arch/keypad.h>
271 static const int osk_keymap
[] = {
272 /* KEY(col, row, code) */
273 KEY(0, 0, KEY_F1
), /* SW4 */
274 KEY(0, 3, KEY_UP
), /* (sw2/up) */
275 KEY(1, 1, KEY_LEFTCTRL
), /* SW5 */
276 KEY(1, 2, KEY_LEFT
), /* (sw2/left) */
277 KEY(2, 0, KEY_SPACE
), /* SW3 */
278 KEY(2, 1, KEY_ESC
), /* SW6 */
279 KEY(2, 2, KEY_DOWN
), /* (sw2/down) */
280 KEY(3, 2, KEY_ENTER
), /* (sw2/select) */
281 KEY(3, 3, KEY_RIGHT
), /* (sw2/right) */
285 static struct omap_kp_platform_data osk_kp_data
= {
288 .keymap
= (int *) osk_keymap
,
289 .keymapsize
= ARRAY_SIZE(osk_keymap
),
293 static struct resource osk5912_kp_resources
[] = {
295 .start
= INT_KEYBOARD
,
297 .flags
= IORESOURCE_IRQ
,
301 static struct platform_device osk5912_kp_device
= {
302 .name
= "omap-keypad",
305 .platform_data
= &osk_kp_data
,
307 .num_resources
= ARRAY_SIZE(osk5912_kp_resources
),
308 .resource
= osk5912_kp_resources
,
311 static struct platform_device osk5912_lcd_device
= {
316 static struct platform_device
*mistral_devices
[] __initdata
= {
321 static int mistral_get_pendown_state(void)
323 return !omap_get_gpio_datain(4);
326 static const struct ads7846_platform_data mistral_ts_info
= {
328 .vref_delay_usecs
= 100, /* internal, no capacitor */
331 .get_pendown_state
= mistral_get_pendown_state
,
334 static struct spi_board_info __initdata mistral_boardinfo
[] = { {
335 /* MicroWire (bus 2) CS0 has an ads7846e */
336 .modalias
= "ads7846",
337 .platform_data
= &mistral_ts_info
,
338 .irq
= OMAP_GPIO_IRQ(4),
339 .max_speed_hz
= 120000 /* max sample rate at 3V */
340 * 26 /* command + data + overhead */,
347 osk_mistral_wake_interrupt(int irq
, void *ignored
)
353 static void __init
osk_mistral_init(void)
355 /* NOTE: we could actually tell if there's a Mistral board
356 * attached, e.g. by trying to read something from the ads7846.
357 * But this arch_init() code is too early for that, since we
358 * can't talk to the ads or even the i2c eeprom.
361 // omap_cfg_reg(P19_1610_GPIO6); // BUSY
362 omap_cfg_reg(P20_1610_GPIO4
); // PENIRQ
363 set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING
);
364 spi_register_board_info(mistral_boardinfo
,
365 ARRAY_SIZE(mistral_boardinfo
));
367 /* the sideways button (SW1) is for use as a "wakeup" button */
368 omap_cfg_reg(N15_1610_MPUIO2
);
369 if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
371 omap_set_gpio_direction(OMAP_MPUIO(2), 1);
372 set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING
);
374 /* share the IRQ in case someone wants to use the
375 * button for more than wakeup from system sleep.
377 ret
= request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
378 &osk_mistral_wake_interrupt
,
379 IRQF_SHARED
, "mistral_wakeup",
380 &osk_mistral_wake_interrupt
);
382 omap_free_gpio(OMAP_MPUIO(2));
383 printk(KERN_ERR
"OSK+Mistral: no wakeup irq, %d?\n",
386 enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
389 printk(KERN_ERR
"OSK+Mistral: wakeup button is awol\n");
391 platform_add_devices(mistral_devices
, ARRAY_SIZE(mistral_devices
));
394 static void __init
osk_mistral_init(void) { }
397 #define EMIFS_CS3_VAL (0x88013141)
399 static void __init
osk_init(void)
401 /* Workaround for wrong CS3 (NOR flash) timing
402 * There are some U-Boot versions out there which configure
403 * wrong CS3 memory timings. This mainly leads to CRC
404 * or similar errors if you use NOR flash (e.g. with JFFS2)
406 if (EMIFS_CCS(3) != EMIFS_CS3_VAL
)
407 EMIFS_CCS(3) = EMIFS_CS3_VAL
;
409 osk_flash_resource
.end
= osk_flash_resource
.start
= omap_cs3_phys();
410 osk_flash_resource
.end
+= SZ_32M
- 1;
411 platform_add_devices(osk5912_devices
, ARRAY_SIZE(osk5912_devices
));
412 omap_board_config
= osk_config
;
413 omap_board_config_size
= ARRAY_SIZE(osk_config
);
414 USB_TRANSCEIVER_CTRL_REG
|= (3 << 1);
416 /* irq for tps65010 chip */
417 /* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */
418 if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
419 gpio_direction_input(OMAP_MPUIO(1));
421 i2c_register_board_info(1, osk_i2c_board_info
,
422 ARRAY_SIZE(osk_i2c_board_info
));
428 static void __init
osk_map_io(void)
430 omap1_map_common_io();
433 #ifdef CONFIG_TPS65010
434 static int __init
osk_tps_init(void)
436 if (!machine_is_omap_osk())
439 /* Let LED1 (D9) blink */
440 tps65010_set_led(LED1
, BLINK
);
442 /* Disable LED 2 (D2) */
443 tps65010_set_led(LED2
, OFF
);
445 /* Set GPIO 1 HIGH to disable VBUS power supply;
446 * OHCI driver powers it up/down as needed.
448 tps65010_set_gpio_out_value(GPIO1
, HIGH
);
450 /* Set GPIO 2 low to turn on LED D3 */
451 tps65010_set_gpio_out_value(GPIO2
, HIGH
);
453 /* Set GPIO 3 low to take ethernet out of reset */
454 tps65010_set_gpio_out_value(GPIO3
, LOW
);
456 /* gpio4 for VDD_DSP */
457 /* FIXME send power to DSP iff it's configured */
460 tps65010_set_low_pwr(ON
);
462 /* Switch VLDO2 to 3.0V for AIC23 */
463 tps65010_config_vregs1(TPS_LDO2_ENABLE
| TPS_VLDO2_3_0V
468 fs_initcall(osk_tps_init
);
471 MACHINE_START(OMAP_OSK
, "TI-OSK")
472 /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
473 .phys_io
= 0xfff00000,
474 .io_pg_offst
= ((0xfef00000) >> 18) & 0xfffc,
475 .boot_params
= 0x10000100,
476 .map_io
= osk_map_io
,
477 .init_irq
= osk_init_irq
,
478 .init_machine
= osk_init
,
479 .timer
= &omap_timer
,