Pull acpica into release branch
[linux-2.6] / arch / arm / mach-omap1 / board-osk.c
1 /*
2  * linux/arch/arm/mach-omap1/board-osk.c
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>
31 #include <linux/platform_device.h>
32 #include <linux/interrupt.h>
33
34 #include <linux/mtd/mtd.h>
35 #include <linux/mtd/partitions.h>
36 #include <linux/input.h>
37
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>
43
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>
52
53 static int osk_keymap[] = {
54         KEY(0, 0, KEY_F1),
55         KEY(0, 3, KEY_UP),
56         KEY(1, 1, KEY_LEFTCTRL),
57         KEY(1, 2, KEY_LEFT),
58         KEY(2, 0, KEY_SPACE),
59         KEY(2, 1, KEY_ESC),
60         KEY(2, 2, KEY_DOWN),
61         KEY(3, 2, KEY_ENTER),
62         KEY(3, 3, KEY_RIGHT),
63         0
64 };
65
66
67 static struct mtd_partition osk_partitions[] = {
68         /* bootloader (U-Boot, etc) in first sector */
69         {
70               .name             = "bootloader",
71               .offset           = 0,
72               .size             = SZ_128K,
73               .mask_flags       = MTD_WRITEABLE, /* force read-only */
74         },
75         /* bootloader params in the next sector */
76         {
77               .name             = "params",
78               .offset           = MTDPART_OFS_APPEND,
79               .size             = SZ_128K,
80               .mask_flags       = 0,
81         }, {
82               .name             = "kernel",
83               .offset           = MTDPART_OFS_APPEND,
84               .size             = SZ_2M,
85               .mask_flags       = 0
86         }, {
87               .name             = "filesystem",
88               .offset           = MTDPART_OFS_APPEND,
89               .size             = MTDPART_SIZ_FULL,
90               .mask_flags       = 0
91         }
92 };
93
94 static struct flash_platform_data osk_flash_data = {
95         .map_name       = "cfi_probe",
96         .width          = 2,
97         .parts          = osk_partitions,
98         .nr_parts       = ARRAY_SIZE(osk_partitions),
99 };
100
101 static struct resource osk_flash_resource = {
102         /* this is on CS3, wherever it's mapped */
103         .flags          = IORESOURCE_MEM,
104 };
105
106 static struct platform_device osk5912_flash_device = {
107         .name           = "omapflash",
108         .id             = 0,
109         .dev            = {
110                 .platform_data  = &osk_flash_data,
111         },
112         .num_resources  = 1,
113         .resource       = &osk_flash_resource,
114 };
115
116 static struct resource osk5912_smc91x_resources[] = {
117         [0] = {
118                 .start  = OMAP_OSK_ETHR_START,          /* Physical */
119                 .end    = OMAP_OSK_ETHR_START + 0xf,
120                 .flags  = IORESOURCE_MEM,
121         },
122         [1] = {
123                 .start  = OMAP_GPIO_IRQ(0),
124                 .end    = OMAP_GPIO_IRQ(0),
125                 .flags  = IORESOURCE_IRQ,
126         },
127 };
128
129 static struct platform_device osk5912_smc91x_device = {
130         .name           = "smc91x",
131         .id             = -1,
132         .num_resources  = ARRAY_SIZE(osk5912_smc91x_resources),
133         .resource       = osk5912_smc91x_resources,
134 };
135
136 static struct resource osk5912_cf_resources[] = {
137         [0] = {
138                 .start  = OMAP_GPIO_IRQ(62),
139                 .end    = OMAP_GPIO_IRQ(62),
140                 .flags  = IORESOURCE_IRQ,
141         },
142 };
143
144 static struct platform_device osk5912_cf_device = {
145         .name           = "omap_cf",
146         .id             = -1,
147         .dev = {
148                 .platform_data  = (void *) 2 /* CS2 */,
149         },
150         .num_resources  = ARRAY_SIZE(osk5912_cf_resources),
151         .resource       = osk5912_cf_resources,
152 };
153
154 #define DEFAULT_BITPERSAMPLE 16
155
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 */
169 };
170
171 static struct omap_alsa_codec_config alsa_config = {
172         .name                   = "OSK AIC23",
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,
180 };
181
182 static struct platform_device osk5912_mcbsp1_device = {
183         .name   = "omap_alsa_mcbsp",
184         .id     = 1,
185         .dev = {
186                 .platform_data  = &alsa_config,
187         },
188 };
189
190 static struct resource osk5912_kp_resources[] = {
191         [0] = {
192                 .start  = INT_KEYBOARD,
193                 .end    = INT_KEYBOARD,
194                 .flags  = IORESOURCE_IRQ,
195         },
196 };
197
198 static struct omap_kp_platform_data osk_kp_data = {
199         .rows   = 8,
200         .cols   = 8,
201         .keymap = osk_keymap,
202 };
203
204 static struct platform_device osk5912_kp_device = {
205         .name           = "omap-keypad",
206         .id             = -1,
207         .dev            = {
208                 .platform_data = &osk_kp_data,
209         },
210         .num_resources  = ARRAY_SIZE(osk5912_kp_resources),
211         .resource       = osk5912_kp_resources,
212 };
213
214 static struct platform_device osk5912_lcd_device = {
215         .name           = "lcd_osk",
216         .id             = -1,
217 };
218
219 static struct platform_device *osk5912_devices[] __initdata = {
220         &osk5912_flash_device,
221         &osk5912_smc91x_device,
222         &osk5912_cf_device,
223         &osk5912_mcbsp1_device,
224         &osk5912_kp_device,
225         &osk5912_lcd_device,
226 };
227
228 static void __init osk_init_smc91x(void)
229 {
230         if ((omap_request_gpio(0)) < 0) {
231                 printk("Error requesting gpio 0 for smc91x irq\n");
232                 return;
233         }
234
235         /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
236         EMIFS_CCS(1) |= 0x3;
237 }
238
239 static void __init osk_init_cf(void)
240 {
241         omap_cfg_reg(M7_1610_GPIO62);
242         if ((omap_request_gpio(62)) < 0) {
243                 printk("Error requesting gpio 62 for CF irq\n");
244                 return;
245         }
246         /* the CF I/O IRQ is really active-low */
247         set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
248 }
249
250 static void __init osk_init_irq(void)
251 {
252         omap1_init_common_hw();
253         omap_init_irq();
254         omap_gpio_init();
255         osk_init_smc91x();
256         osk_init_cf();
257 }
258
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
262          * a peripheral.
263          */
264 #ifdef  CONFIG_USB_GADGET_OMAP
265         .register_dev   = 1,
266         .hmc_mode       = 0,
267 #else
268         .register_host  = 1,
269         .hmc_mode       = 16,
270         .rwc            = 1,
271 #endif
272         .pins[0]        = 2,
273 };
274
275 static struct omap_uart_config osk_uart_config __initdata = {
276         .enabled_uarts = (1 << 0),
277 };
278
279 static struct omap_lcd_config osk_lcd_config __initdata = {
280         .ctrl_name      = "internal",
281 };
282
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 },
287 };
288
289 #ifdef  CONFIG_OMAP_OSK_MISTRAL
290
291 #ifdef  CONFIG_PM
292 static irqreturn_t
293 osk_mistral_wake_interrupt(int irq, void *ignored, struct pt_regs *regs)
294 {
295         return IRQ_HANDLED;
296 }
297 #endif
298
299 static void __init osk_mistral_init(void)
300 {
301         /* FIXME here's where to feed in framebuffer, touchpad, and
302          * keyboard setup ...  not in the drivers for those devices!
303          *
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...
307          */
308
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) {
312                 int ret = 0;
313                 omap_set_gpio_direction(OMAP_MPUIO(2), 1);
314                 set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
315 #ifdef  CONFIG_PM
316                 /* share the IRQ in case someone wants to use the
317                  * button for more than wakeup from system sleep.
318                  */
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);
323                 if (ret != 0) {
324                         omap_free_gpio(OMAP_MPUIO(2));
325                         printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
326                                 ret);
327                 } else
328                         enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
329 #endif
330         } else
331                 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
332 }
333 #else
334 static void __init osk_mistral_init(void) { }
335 #endif
336
337 #define EMIFS_CS3_VAL   (0x88013141)
338
339 static void __init osk_init(void)
340 {
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)
345          */
346         if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
347                 EMIFS_CCS(3) = EMIFS_CS3_VAL;
348
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);
355
356         omap_serial_init();
357         osk_mistral_init();
358 }
359
360 static void __init osk_map_io(void)
361 {
362         omap1_map_common_io();
363 }
364
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,
374 MACHINE_END