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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> |
7c38cf02 TL |
32 | #include <linux/interrupt.h> |
33 | ||
34 | #include <linux/mtd/mtd.h> | |
35 | #include <linux/mtd/partitions.h> | |
1da177e4 LT |
36 | |
37 | #include <asm/hardware.h> | |
38 | #include <asm/mach-types.h> | |
39 | #include <asm/mach/arch.h> | |
40 | #include <asm/mach/map.h> | |
7c38cf02 | 41 | #include <asm/mach/flash.h> |
1da177e4 LT |
42 | |
43 | #include <asm/arch/gpio.h> | |
44 | #include <asm/arch/usb.h> | |
45 | #include <asm/arch/mux.h> | |
46 | #include <asm/arch/tc.h> | |
d48af15e | 47 | #include <asm/arch/common.h> |
9b6553cd TL |
48 | #include <asm/arch/mcbsp.h> |
49 | #include <asm/arch/omap-alsa.h> | |
50 | ||
7c38cf02 TL |
51 | static struct mtd_partition osk_partitions[] = { |
52 | /* bootloader (U-Boot, etc) in first sector */ | |
53 | { | |
54 | .name = "bootloader", | |
55 | .offset = 0, | |
56 | .size = SZ_128K, | |
57 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
58 | }, | |
59 | /* bootloader params in the next sector */ | |
60 | { | |
61 | .name = "params", | |
62 | .offset = MTDPART_OFS_APPEND, | |
63 | .size = SZ_128K, | |
64 | .mask_flags = 0, | |
65 | }, { | |
66 | .name = "kernel", | |
67 | .offset = MTDPART_OFS_APPEND, | |
68 | .size = SZ_2M, | |
69 | .mask_flags = 0 | |
70 | }, { | |
71 | .name = "filesystem", | |
72 | .offset = MTDPART_OFS_APPEND, | |
73 | .size = MTDPART_SIZ_FULL, | |
74 | .mask_flags = 0 | |
75 | } | |
1da177e4 LT |
76 | }; |
77 | ||
7c38cf02 TL |
78 | static struct flash_platform_data osk_flash_data = { |
79 | .map_name = "cfi_probe", | |
80 | .width = 2, | |
81 | .parts = osk_partitions, | |
82 | .nr_parts = ARRAY_SIZE(osk_partitions), | |
83 | }; | |
84 | ||
85 | static struct resource osk_flash_resource = { | |
86 | /* this is on CS3, wherever it's mapped */ | |
87 | .flags = IORESOURCE_MEM, | |
88 | }; | |
89 | ||
90 | static struct platform_device osk5912_flash_device = { | |
91 | .name = "omapflash", | |
92 | .id = 0, | |
93 | .dev = { | |
94 | .platform_data = &osk_flash_data, | |
95 | }, | |
96 | .num_resources = 1, | |
97 | .resource = &osk_flash_resource, | |
98 | }; | |
1da177e4 LT |
99 | |
100 | static struct resource osk5912_smc91x_resources[] = { | |
101 | [0] = { | |
102 | .start = OMAP_OSK_ETHR_START, /* Physical */ | |
103 | .end = OMAP_OSK_ETHR_START + 0xf, | |
104 | .flags = IORESOURCE_MEM, | |
105 | }, | |
106 | [1] = { | |
107 | .start = OMAP_GPIO_IRQ(0), | |
108 | .end = OMAP_GPIO_IRQ(0), | |
109 | .flags = IORESOURCE_IRQ, | |
110 | }, | |
111 | }; | |
112 | ||
113 | static struct platform_device osk5912_smc91x_device = { | |
114 | .name = "smc91x", | |
115 | .id = -1, | |
116 | .num_resources = ARRAY_SIZE(osk5912_smc91x_resources), | |
117 | .resource = osk5912_smc91x_resources, | |
118 | }; | |
119 | ||
120 | static struct resource osk5912_cf_resources[] = { | |
121 | [0] = { | |
122 | .start = OMAP_GPIO_IRQ(62), | |
123 | .end = OMAP_GPIO_IRQ(62), | |
124 | .flags = IORESOURCE_IRQ, | |
125 | }, | |
126 | }; | |
127 | ||
128 | static struct platform_device osk5912_cf_device = { | |
129 | .name = "omap_cf", | |
130 | .id = -1, | |
131 | .dev = { | |
132 | .platform_data = (void *) 2 /* CS2 */, | |
133 | }, | |
134 | .num_resources = ARRAY_SIZE(osk5912_cf_resources), | |
135 | .resource = osk5912_cf_resources, | |
136 | }; | |
137 | ||
9b6553cd TL |
138 | #define DEFAULT_BITPERSAMPLE 16 |
139 | ||
140 | static struct omap_mcbsp_reg_cfg mcbsp_regs = { | |
141 | .spcr2 = FREE | FRST | GRST | XRST | XINTM(3), | |
142 | .spcr1 = RINTM(3) | RRST, | |
143 | .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) | | |
144 | RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0), | |
145 | .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16), | |
146 | .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) | | |
147 | XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG, | |
148 | .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16), | |
149 | .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1), | |
150 | .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1), | |
151 | /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */ | |
152 | .pcr0 = CLKXP | CLKRP, /* mcbsp: slave */ | |
153 | }; | |
154 | ||
155 | static struct omap_alsa_codec_config alsa_config = { | |
156 | .name = "OSK AIC23", | |
157 | .mcbsp_regs_alsa = &mcbsp_regs, | |
158 | .codec_configure_dev = NULL, // aic23_configure, | |
159 | .codec_set_samplerate = NULL, // aic23_set_samplerate, | |
160 | .codec_clock_setup = NULL, // aic23_clock_setup, | |
161 | .codec_clock_on = NULL, // aic23_clock_on, | |
162 | .codec_clock_off = NULL, // aic23_clock_off, | |
163 | .get_default_samplerate = NULL, // aic23_get_default_samplerate, | |
164 | }; | |
165 | ||
7c38cf02 | 166 | static struct platform_device osk5912_mcbsp1_device = { |
9b6553cd | 167 | .name = "omap_alsa_mcbsp", |
78762841 | 168 | .id = 1, |
9b6553cd TL |
169 | .dev = { |
170 | .platform_data = &alsa_config, | |
171 | }, | |
172 | }; | |
173 | ||
1da177e4 | 174 | static struct platform_device *osk5912_devices[] __initdata = { |
7c38cf02 | 175 | &osk5912_flash_device, |
1da177e4 LT |
176 | &osk5912_smc91x_device, |
177 | &osk5912_cf_device, | |
7c38cf02 | 178 | &osk5912_mcbsp1_device, |
1da177e4 LT |
179 | }; |
180 | ||
181 | static void __init osk_init_smc91x(void) | |
182 | { | |
183 | if ((omap_request_gpio(0)) < 0) { | |
184 | printk("Error requesting gpio 0 for smc91x irq\n"); | |
185 | return; | |
186 | } | |
1da177e4 LT |
187 | |
188 | /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */ | |
3179a019 | 189 | EMIFS_CCS(1) |= 0x3; |
1da177e4 LT |
190 | } |
191 | ||
192 | static void __init osk_init_cf(void) | |
193 | { | |
194 | omap_cfg_reg(M7_1610_GPIO62); | |
195 | if ((omap_request_gpio(62)) < 0) { | |
196 | printk("Error requesting gpio 62 for CF irq\n"); | |
197 | return; | |
198 | } | |
7c38cf02 TL |
199 | /* the CF I/O IRQ is really active-low */ |
200 | set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING); | |
1da177e4 LT |
201 | } |
202 | ||
7c38cf02 | 203 | static void __init osk_init_irq(void) |
1da177e4 | 204 | { |
87bd63f6 | 205 | omap1_init_common_hw(); |
1da177e4 LT |
206 | omap_init_irq(); |
207 | omap_gpio_init(); | |
208 | osk_init_smc91x(); | |
209 | osk_init_cf(); | |
210 | } | |
211 | ||
212 | static struct omap_usb_config osk_usb_config __initdata = { | |
213 | /* has usb host connector (A) ... for development it can also | |
214 | * be used, with a NONSTANDARD gender-bending cable/dongle, as | |
215 | * a peripheral. | |
216 | */ | |
217 | #ifdef CONFIG_USB_GADGET_OMAP | |
218 | .register_dev = 1, | |
219 | .hmc_mode = 0, | |
220 | #else | |
221 | .register_host = 1, | |
222 | .hmc_mode = 16, | |
223 | .rwc = 1, | |
224 | #endif | |
225 | .pins[0] = 2, | |
226 | }; | |
227 | ||
3179a019 TL |
228 | static struct omap_uart_config osk_uart_config __initdata = { |
229 | .enabled_uarts = (1 << 0), | |
230 | }; | |
231 | ||
78762841 | 232 | #ifdef CONFIG_OMAP_OSK_MISTRAL |
3179a019 | 233 | static struct omap_lcd_config osk_lcd_config __initdata = { |
3179a019 TL |
234 | .ctrl_name = "internal", |
235 | }; | |
78762841 | 236 | #endif |
3179a019 | 237 | |
1da177e4 LT |
238 | static struct omap_board_config_kernel osk_config[] = { |
239 | { OMAP_TAG_USB, &osk_usb_config }, | |
3179a019 | 240 | { OMAP_TAG_UART, &osk_uart_config }, |
78762841 | 241 | #ifdef CONFIG_OMAP_OSK_MISTRAL |
3179a019 | 242 | { OMAP_TAG_LCD, &osk_lcd_config }, |
78762841 | 243 | #endif |
1da177e4 LT |
244 | }; |
245 | ||
7c38cf02 TL |
246 | #ifdef CONFIG_OMAP_OSK_MISTRAL |
247 | ||
78762841 DB |
248 | #include <linux/input.h> |
249 | #include <linux/spi/spi.h> | |
250 | #include <linux/spi/ads7846.h> | |
251 | ||
252 | #include <asm/arch/keypad.h> | |
253 | ||
254 | static const int osk_keymap[] = { | |
255 | /* KEY(col, row, code) */ | |
256 | KEY(0, 0, KEY_F1), /* SW4 */ | |
257 | KEY(0, 3, KEY_UP), /* (sw2/up) */ | |
258 | KEY(1, 1, KEY_LEFTCTRL), /* SW5 */ | |
259 | KEY(1, 2, KEY_LEFT), /* (sw2/left) */ | |
260 | KEY(2, 0, KEY_SPACE), /* SW3 */ | |
261 | KEY(2, 1, KEY_ESC), /* SW6 */ | |
262 | KEY(2, 2, KEY_DOWN), /* (sw2/down) */ | |
263 | KEY(3, 2, KEY_ENTER), /* (sw2/select) */ | |
264 | KEY(3, 3, KEY_RIGHT), /* (sw2/right) */ | |
265 | 0 | |
266 | }; | |
267 | ||
268 | static struct omap_kp_platform_data osk_kp_data = { | |
269 | .rows = 8, | |
270 | .cols = 8, | |
271 | .keymap = (int *) osk_keymap, | |
272 | }; | |
273 | ||
274 | static struct resource osk5912_kp_resources[] = { | |
275 | [0] = { | |
276 | .start = INT_KEYBOARD, | |
277 | .end = INT_KEYBOARD, | |
278 | .flags = IORESOURCE_IRQ, | |
279 | }, | |
280 | }; | |
281 | ||
282 | static struct platform_device osk5912_kp_device = { | |
283 | .name = "omap-keypad", | |
284 | .id = -1, | |
285 | .dev = { | |
286 | .platform_data = &osk_kp_data, | |
287 | }, | |
288 | .num_resources = ARRAY_SIZE(osk5912_kp_resources), | |
289 | .resource = osk5912_kp_resources, | |
290 | }; | |
291 | ||
292 | static struct platform_device osk5912_lcd_device = { | |
293 | .name = "lcd_osk", | |
294 | .id = -1, | |
295 | }; | |
296 | ||
297 | static struct platform_device *mistral_devices[] __initdata = { | |
298 | &osk5912_kp_device, | |
299 | &osk5912_lcd_device, | |
300 | }; | |
301 | ||
302 | static const struct ads7846_platform_data mistral_ts_info = { | |
303 | .model = 7846, | |
304 | .vref_delay_usecs = 100, /* internal, no capacitor */ | |
305 | .x_plate_ohms = 419, | |
306 | .y_plate_ohms = 486, | |
307 | // .{x,y,pressure}_{min,max} | |
308 | }; | |
309 | ||
310 | static struct spi_board_info __initdata mistral_boardinfo[] = { { | |
311 | /* MicroWire (bus 2) CS0 has an ads7846e */ | |
312 | .modalias = "ads7846", | |
313 | .platform_data = &mistral_ts_info, | |
314 | .irq = OMAP_GPIO_IRQ(4), | |
315 | .max_speed_hz = 120000 /* max sample rate at 3V */ | |
316 | * 26 /* command + data + overhead */, | |
317 | .bus_num = 2, | |
318 | .chip_select = 0, | |
319 | } }; | |
320 | ||
7c38cf02 TL |
321 | #ifdef CONFIG_PM |
322 | static irqreturn_t | |
323 | osk_mistral_wake_interrupt(int irq, void *ignored, struct pt_regs *regs) | |
324 | { | |
325 | return IRQ_HANDLED; | |
326 | } | |
327 | #endif | |
328 | ||
329 | static void __init osk_mistral_init(void) | |
330 | { | |
78762841 | 331 | /* NOTE: we could actually tell if there's a Mistral board |
7c38cf02 | 332 | * attached, e.g. by trying to read something from the ads7846. |
78762841 DB |
333 | * But this arch_init() code is too early for that, since we |
334 | * can't talk to the ads or even the i2c eeprom. | |
7c38cf02 TL |
335 | */ |
336 | ||
78762841 DB |
337 | // omap_cfg_reg(P19_1610_GPIO6); // BUSY |
338 | omap_cfg_reg(P20_1610_GPIO4); // PENIRQ | |
339 | set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING); | |
340 | spi_register_board_info(mistral_boardinfo, | |
341 | ARRAY_SIZE(mistral_boardinfo)); | |
342 | ||
7c38cf02 TL |
343 | /* the sideways button (SW1) is for use as a "wakeup" button */ |
344 | omap_cfg_reg(N15_1610_MPUIO2); | |
345 | if (omap_request_gpio(OMAP_MPUIO(2)) == 0) { | |
346 | int ret = 0; | |
347 | omap_set_gpio_direction(OMAP_MPUIO(2), 1); | |
348 | set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING); | |
349 | #ifdef CONFIG_PM | |
350 | /* share the IRQ in case someone wants to use the | |
351 | * button for more than wakeup from system sleep. | |
352 | */ | |
353 | ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), | |
354 | &osk_mistral_wake_interrupt, | |
355 | SA_SHIRQ, "mistral_wakeup", | |
356 | &osk_mistral_wake_interrupt); | |
357 | if (ret != 0) { | |
358 | omap_free_gpio(OMAP_MPUIO(2)); | |
359 | printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n", | |
360 | ret); | |
361 | } else | |
362 | enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2))); | |
363 | #endif | |
364 | } else | |
365 | printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n"); | |
78762841 DB |
366 | |
367 | platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices)); | |
7c38cf02 TL |
368 | } |
369 | #else | |
370 | static void __init osk_mistral_init(void) { } | |
371 | #endif | |
372 | ||
9b6553cd TL |
373 | #define EMIFS_CS3_VAL (0x88013141) |
374 | ||
1da177e4 LT |
375 | static void __init osk_init(void) |
376 | { | |
9b6553cd TL |
377 | /* Workaround for wrong CS3 (NOR flash) timing |
378 | * There are some U-Boot versions out there which configure | |
379 | * wrong CS3 memory timings. This mainly leads to CRC | |
380 | * or similiar errors if you use NOR flash (e.g. with JFFS2) | |
381 | */ | |
382 | if (EMIFS_CCS(3) != EMIFS_CS3_VAL) | |
383 | EMIFS_CCS(3) = EMIFS_CS3_VAL; | |
384 | ||
7c38cf02 TL |
385 | osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys(); |
386 | osk_flash_resource.end += SZ_32M - 1; | |
1da177e4 LT |
387 | platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices)); |
388 | omap_board_config = osk_config; | |
389 | omap_board_config_size = ARRAY_SIZE(osk_config); | |
390 | USB_TRANSCEIVER_CTRL_REG |= (3 << 1); | |
7c38cf02 | 391 | |
3179a019 | 392 | omap_serial_init(); |
7c38cf02 | 393 | osk_mistral_init(); |
1da177e4 LT |
394 | } |
395 | ||
396 | static void __init osk_map_io(void) | |
397 | { | |
87bd63f6 | 398 | omap1_map_common_io(); |
1da177e4 LT |
399 | } |
400 | ||
401 | MACHINE_START(OMAP_OSK, "TI-OSK") | |
e9dea0c6 | 402 | /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */ |
e9dea0c6 RK |
403 | .phys_io = 0xfff00000, |
404 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, | |
405 | .boot_params = 0x10000100, | |
406 | .map_io = osk_map_io, | |
407 | .init_irq = osk_init_irq, | |
408 | .init_machine = osk_init, | |
1da177e4 LT |
409 | .timer = &omap_timer, |
410 | MACHINE_END |