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>
34 #include <linux/mtd/mtd.h>
35 #include <linux/mtd/partitions.h>
36 #include <linux/input.h>
38 #include <asm/hardware.h>
39 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42 #include <asm/mach/flash.h>
44 #include <asm/arch/gpio.h>
45 #include <asm/arch/usb.h>
46 #include <asm/arch/mux.h>
47 #include <asm/arch/tc.h>
48 #include <asm/arch/keypad.h>
49 #include <asm/arch/common.h>
50 #include <asm/arch/mcbsp.h>
51 #include <asm/arch/omap-alsa.h>
53 static int osk_keymap
[] = {
56 KEY(1, 1, KEY_LEFTCTRL
),
67 static struct mtd_partition osk_partitions
[] = {
68 /* bootloader (U-Boot, etc) in first sector */
73 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
75 /* bootloader params in the next sector */
78 .offset
= MTDPART_OFS_APPEND
,
83 .offset
= MTDPART_OFS_APPEND
,
88 .offset
= MTDPART_OFS_APPEND
,
89 .size
= MTDPART_SIZ_FULL
,
94 static struct flash_platform_data osk_flash_data
= {
95 .map_name
= "cfi_probe",
97 .parts
= osk_partitions
,
98 .nr_parts
= ARRAY_SIZE(osk_partitions
),
101 static struct resource osk_flash_resource
= {
102 /* this is on CS3, wherever it's mapped */
103 .flags
= IORESOURCE_MEM
,
106 static struct platform_device osk5912_flash_device
= {
110 .platform_data
= &osk_flash_data
,
113 .resource
= &osk_flash_resource
,
116 static struct resource osk5912_smc91x_resources
[] = {
118 .start
= OMAP_OSK_ETHR_START
, /* Physical */
119 .end
= OMAP_OSK_ETHR_START
+ 0xf,
120 .flags
= IORESOURCE_MEM
,
123 .start
= OMAP_GPIO_IRQ(0),
124 .end
= OMAP_GPIO_IRQ(0),
125 .flags
= IORESOURCE_IRQ
,
129 static struct platform_device osk5912_smc91x_device
= {
132 .num_resources
= ARRAY_SIZE(osk5912_smc91x_resources
),
133 .resource
= osk5912_smc91x_resources
,
136 static struct resource osk5912_cf_resources
[] = {
138 .start
= OMAP_GPIO_IRQ(62),
139 .end
= OMAP_GPIO_IRQ(62),
140 .flags
= IORESOURCE_IRQ
,
144 static struct platform_device osk5912_cf_device
= {
148 .platform_data
= (void *) 2 /* CS2 */,
150 .num_resources
= ARRAY_SIZE(osk5912_cf_resources
),
151 .resource
= osk5912_cf_resources
,
154 #define DEFAULT_BITPERSAMPLE 16
156 static struct omap_mcbsp_reg_cfg mcbsp_regs
= {
157 .spcr2
= FREE
| FRST
| GRST
| XRST
| XINTM(3),
158 .spcr1
= RINTM(3) | RRST
,
159 .rcr2
= RPHASE
| RFRLEN2(OMAP_MCBSP_WORD_8
) |
160 RWDLEN2(OMAP_MCBSP_WORD_16
) | RDATDLY(0),
161 .rcr1
= RFRLEN1(OMAP_MCBSP_WORD_8
) | RWDLEN1(OMAP_MCBSP_WORD_16
),
162 .xcr2
= XPHASE
| XFRLEN2(OMAP_MCBSP_WORD_8
) |
163 XWDLEN2(OMAP_MCBSP_WORD_16
) | XDATDLY(0) | XFIG
,
164 .xcr1
= XFRLEN1(OMAP_MCBSP_WORD_8
) | XWDLEN1(OMAP_MCBSP_WORD_16
),
165 .srgr1
= FWID(DEFAULT_BITPERSAMPLE
- 1),
166 .srgr2
= GSYNC
| CLKSP
| FSGM
| FPER(DEFAULT_BITPERSAMPLE
* 2 - 1),
167 /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
168 .pcr0
= CLKXP
| CLKRP
, /* mcbsp: slave */
171 static struct omap_alsa_codec_config alsa_config
= {
173 .mcbsp_regs_alsa
= &mcbsp_regs
,
174 .codec_configure_dev
= NULL
, // aic23_configure,
175 .codec_set_samplerate
= NULL
, // aic23_set_samplerate,
176 .codec_clock_setup
= NULL
, // aic23_clock_setup,
177 .codec_clock_on
= NULL
, // aic23_clock_on,
178 .codec_clock_off
= NULL
, // aic23_clock_off,
179 .get_default_samplerate
= NULL
, // aic23_get_default_samplerate,
182 static struct platform_device osk5912_mcbsp1_device
= {
183 .name
= "omap_alsa_mcbsp",
186 .platform_data
= &alsa_config
,
190 static struct resource osk5912_kp_resources
[] = {
192 .start
= INT_KEYBOARD
,
194 .flags
= IORESOURCE_IRQ
,
198 static struct omap_kp_platform_data osk_kp_data
= {
201 .keymap
= osk_keymap
,
204 static struct platform_device osk5912_kp_device
= {
205 .name
= "omap-keypad",
208 .platform_data
= &osk_kp_data
,
210 .num_resources
= ARRAY_SIZE(osk5912_kp_resources
),
211 .resource
= osk5912_kp_resources
,
214 static struct platform_device osk5912_lcd_device
= {
219 static struct platform_device
*osk5912_devices
[] __initdata
= {
220 &osk5912_flash_device
,
221 &osk5912_smc91x_device
,
223 &osk5912_mcbsp1_device
,
228 static void __init
osk_init_smc91x(void)
230 if ((omap_request_gpio(0)) < 0) {
231 printk("Error requesting gpio 0 for smc91x irq\n");
235 /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
239 static void __init
osk_init_cf(void)
241 omap_cfg_reg(M7_1610_GPIO62
);
242 if ((omap_request_gpio(62)) < 0) {
243 printk("Error requesting gpio 62 for CF irq\n");
246 /* the CF I/O IRQ is really active-low */
247 set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING
);
250 static void __init
osk_init_irq(void)
252 omap1_init_common_hw();
259 static struct omap_usb_config osk_usb_config __initdata
= {
260 /* has usb host connector (A) ... for development it can also
261 * be used, with a NONSTANDARD gender-bending cable/dongle, as
264 #ifdef CONFIG_USB_GADGET_OMAP
275 static struct omap_uart_config osk_uart_config __initdata
= {
276 .enabled_uarts
= (1 << 0),
279 static struct omap_lcd_config osk_lcd_config __initdata
= {
280 .ctrl_name
= "internal",
283 static struct omap_board_config_kernel osk_config
[] = {
284 { OMAP_TAG_USB
, &osk_usb_config
},
285 { OMAP_TAG_UART
, &osk_uart_config
},
286 { OMAP_TAG_LCD
, &osk_lcd_config
},
289 #ifdef CONFIG_OMAP_OSK_MISTRAL
293 osk_mistral_wake_interrupt(int irq
, void *ignored
, struct pt_regs
*regs
)
299 static void __init
osk_mistral_init(void)
301 /* FIXME here's where to feed in framebuffer, touchpad, and
302 * keyboard setup ... not in the drivers for those devices!
304 * NOTE: we could actually tell if there's a Mistral board
305 * attached, e.g. by trying to read something from the ads7846.
306 * But this is too early for that...
309 /* the sideways button (SW1) is for use as a "wakeup" button */
310 omap_cfg_reg(N15_1610_MPUIO2
);
311 if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
313 omap_set_gpio_direction(OMAP_MPUIO(2), 1);
314 set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING
);
316 /* share the IRQ in case someone wants to use the
317 * button for more than wakeup from system sleep.
319 ret
= request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
320 &osk_mistral_wake_interrupt
,
321 SA_SHIRQ
, "mistral_wakeup",
322 &osk_mistral_wake_interrupt
);
324 omap_free_gpio(OMAP_MPUIO(2));
325 printk(KERN_ERR
"OSK+Mistral: no wakeup irq, %d?\n",
328 enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
331 printk(KERN_ERR
"OSK+Mistral: wakeup button is awol\n");
334 static void __init
osk_mistral_init(void) { }
337 #define EMIFS_CS3_VAL (0x88013141)
339 static void __init
osk_init(void)
341 /* Workaround for wrong CS3 (NOR flash) timing
342 * There are some U-Boot versions out there which configure
343 * wrong CS3 memory timings. This mainly leads to CRC
344 * or similiar errors if you use NOR flash (e.g. with JFFS2)
346 if (EMIFS_CCS(3) != EMIFS_CS3_VAL
)
347 EMIFS_CCS(3) = EMIFS_CS3_VAL
;
349 osk_flash_resource
.end
= osk_flash_resource
.start
= omap_cs3_phys();
350 osk_flash_resource
.end
+= SZ_32M
- 1;
351 platform_add_devices(osk5912_devices
, ARRAY_SIZE(osk5912_devices
));
352 omap_board_config
= osk_config
;
353 omap_board_config_size
= ARRAY_SIZE(osk_config
);
354 USB_TRANSCEIVER_CTRL_REG
|= (3 << 1);
360 static void __init
osk_map_io(void)
362 omap1_map_common_io();
365 MACHINE_START(OMAP_OSK
, "TI-OSK")
366 /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
367 .phys_io
= 0xfff00000,
368 .io_pg_offst
= ((0xfef00000) >> 18) & 0xfffc,
369 .boot_params
= 0x10000100,
370 .map_io
= osk_map_io
,
371 .init_irq
= osk_init_irq
,
372 .init_machine
= osk_init
,
373 .timer
= &omap_timer
,