Commit | Line | Data |
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1a8bfa1e TL |
1 | /* |
2 | * linux/arch/arm/plat-omap/devices.c | |
3 | * | |
4 | * Common platform device setup/initialization for OMAP1 and OMAP2 | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | */ | |
11 | ||
1a8bfa1e TL |
12 | #include <linux/module.h> |
13 | #include <linux/kernel.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/platform_device.h> | |
fced80c7 | 16 | #include <linux/io.h> |
1a8bfa1e | 17 | |
a09e64fb | 18 | #include <mach/hardware.h> |
1a8bfa1e TL |
19 | #include <asm/mach-types.h> |
20 | #include <asm/mach/map.h> | |
21 | ||
a09e64fb | 22 | #include <mach/tc.h> |
646e3ed1 | 23 | #include <mach/control.h> |
a09e64fb | 24 | #include <mach/board.h> |
7736c09c | 25 | #include <mach/mmc.h> |
a09e64fb RK |
26 | #include <mach/mux.h> |
27 | #include <mach/gpio.h> | |
28 | #include <mach/menelaus.h> | |
29 | #include <mach/mcbsp.h> | |
646e3ed1 | 30 | #include <mach/dsp_common.h> |
1a8bfa1e | 31 | |
c40fae95 TL |
32 | #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) |
33 | ||
c40fae95 TL |
34 | static struct dsp_platform_data dsp_pdata = { |
35 | .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list), | |
36 | }; | |
37 | ||
38 | static struct resource omap_dsp_resources[] = { | |
39 | { | |
40 | .name = "dsp_mmu", | |
41 | .start = -1, | |
42 | .flags = IORESOURCE_IRQ, | |
43 | }, | |
44 | }; | |
45 | ||
46 | static struct platform_device omap_dsp_device = { | |
47 | .name = "dsp", | |
48 | .id = -1, | |
49 | .num_resources = ARRAY_SIZE(omap_dsp_resources), | |
50 | .resource = omap_dsp_resources, | |
51 | .dev = { | |
52 | .platform_data = &dsp_pdata, | |
53 | }, | |
54 | }; | |
55 | ||
56 | static inline void omap_init_dsp(void) | |
57 | { | |
58 | struct resource *res; | |
59 | int irq; | |
60 | ||
61 | if (cpu_is_omap15xx()) | |
62 | irq = INT_1510_DSP_MMU; | |
63 | else if (cpu_is_omap16xx()) | |
64 | irq = INT_1610_DSP_MMU; | |
65 | else if (cpu_is_omap24xx()) | |
66 | irq = INT_24XX_DSP_MMU; | |
67 | ||
68 | res = platform_get_resource_byname(&omap_dsp_device, | |
69 | IORESOURCE_IRQ, "dsp_mmu"); | |
70 | res->start = irq; | |
71 | ||
72 | platform_device_register(&omap_dsp_device); | |
73 | } | |
74 | ||
75 | int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev) | |
76 | { | |
77 | static DEFINE_MUTEX(dsp_pdata_lock); | |
78 | ||
646e3ed1 | 79 | spin_lock_init(&kdev->lock); |
c40fae95 TL |
80 | |
81 | mutex_lock(&dsp_pdata_lock); | |
82 | list_add_tail(&kdev->entry, &dsp_pdata.kdev_list); | |
83 | mutex_unlock(&dsp_pdata_lock); | |
84 | ||
85 | return 0; | |
86 | } | |
87 | EXPORT_SYMBOL(dsp_kfunc_device_register); | |
88 | ||
89 | #else | |
90 | static inline void omap_init_dsp(void) { } | |
91 | #endif /* CONFIG_OMAP_DSP */ | |
92 | ||
9b6553cd TL |
93 | /*-------------------------------------------------------------------------*/ |
94 | #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) | |
95 | ||
96 | static void omap_init_kp(void) | |
97 | { | |
cc26b3b0 SMK |
98 | /* 2430 and 34xx keypad is on TWL4030 */ |
99 | if (cpu_is_omap2430() || cpu_is_omap34xx()) | |
100 | return; | |
101 | ||
9b6553cd TL |
102 | if (machine_is_omap_h2() || machine_is_omap_h3()) { |
103 | omap_cfg_reg(F18_1610_KBC0); | |
104 | omap_cfg_reg(D20_1610_KBC1); | |
105 | omap_cfg_reg(D19_1610_KBC2); | |
106 | omap_cfg_reg(E18_1610_KBC3); | |
107 | omap_cfg_reg(C21_1610_KBC4); | |
108 | ||
109 | omap_cfg_reg(G18_1610_KBR0); | |
110 | omap_cfg_reg(F19_1610_KBR1); | |
111 | omap_cfg_reg(H14_1610_KBR2); | |
112 | omap_cfg_reg(E20_1610_KBR3); | |
113 | omap_cfg_reg(E19_1610_KBR4); | |
114 | omap_cfg_reg(N19_1610_KBR5); | |
495f71db | 115 | } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) { |
9b6553cd TL |
116 | omap_cfg_reg(E2_730_KBR0); |
117 | omap_cfg_reg(J7_730_KBR1); | |
118 | omap_cfg_reg(E1_730_KBR2); | |
119 | omap_cfg_reg(F3_730_KBR3); | |
120 | omap_cfg_reg(D2_730_KBR4); | |
121 | ||
122 | omap_cfg_reg(C2_730_KBC0); | |
123 | omap_cfg_reg(D3_730_KBC1); | |
124 | omap_cfg_reg(E4_730_KBC2); | |
125 | omap_cfg_reg(F4_730_KBC3); | |
126 | omap_cfg_reg(E3_730_KBC4); | |
127 | } else if (machine_is_omap_h4()) { | |
128 | omap_cfg_reg(T19_24XX_KBR0); | |
129 | omap_cfg_reg(R19_24XX_KBR1); | |
130 | omap_cfg_reg(V18_24XX_KBR2); | |
131 | omap_cfg_reg(M21_24XX_KBR3); | |
132 | omap_cfg_reg(E5__24XX_KBR4); | |
133 | if (omap_has_menelaus()) { | |
134 | omap_cfg_reg(B3__24XX_KBR5); | |
135 | omap_cfg_reg(AA4_24XX_KBC2); | |
136 | omap_cfg_reg(B13_24XX_KBC6); | |
137 | } else { | |
138 | omap_cfg_reg(M18_24XX_KBR5); | |
139 | omap_cfg_reg(H19_24XX_KBC2); | |
140 | omap_cfg_reg(N19_24XX_KBC6); | |
141 | } | |
142 | omap_cfg_reg(R20_24XX_KBC0); | |
143 | omap_cfg_reg(M14_24XX_KBC1); | |
144 | omap_cfg_reg(V17_24XX_KBC3); | |
145 | omap_cfg_reg(P21_24XX_KBC4); | |
146 | omap_cfg_reg(L14_24XX_KBC5); | |
147 | } | |
148 | } | |
149 | #else | |
150 | static inline void omap_init_kp(void) {} | |
151 | #endif | |
152 | ||
bc5d0c89 EV |
153 | /*-------------------------------------------------------------------------*/ |
154 | #if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE) | |
155 | ||
156 | static struct platform_device **omap_mcbsp_devices; | |
157 | ||
158 | void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, | |
159 | int size) | |
160 | { | |
161 | int i; | |
162 | ||
bc5d0c89 EV |
163 | omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *), |
164 | GFP_KERNEL); | |
165 | if (!omap_mcbsp_devices) { | |
166 | printk(KERN_ERR "Could not register McBSP devices\n"); | |
167 | return; | |
168 | } | |
169 | ||
170 | for (i = 0; i < size; i++) { | |
171 | struct platform_device *new_mcbsp; | |
172 | int ret; | |
173 | ||
174 | new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1); | |
175 | if (!new_mcbsp) | |
176 | continue; | |
177 | new_mcbsp->dev.platform_data = &config[i]; | |
178 | ret = platform_device_add(new_mcbsp); | |
179 | if (ret) { | |
180 | platform_device_put(new_mcbsp); | |
181 | continue; | |
182 | } | |
183 | omap_mcbsp_devices[i] = new_mcbsp; | |
184 | } | |
185 | } | |
186 | ||
187 | #else | |
188 | void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, | |
189 | int size) | |
190 | { } | |
191 | #endif | |
192 | ||
1a8bfa1e TL |
193 | /*-------------------------------------------------------------------------*/ |
194 | ||
d8874665 | 195 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \ |
7736c09c | 196 | defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) |
1a8bfa1e | 197 | |
d8874665 | 198 | #define OMAP_MMC_NR_RES 2 |
7736c09c | 199 | |
d8874665 TL |
200 | /* |
201 | * Register MMC devices. Called from mach-omap1 and mach-omap2 device init. | |
202 | */ | |
0dffb5c5 TL |
203 | int __init omap_mmc_add(const char *name, int id, unsigned long base, |
204 | unsigned long size, unsigned int irq, | |
205 | struct omap_mmc_platform_data *data) | |
7736c09c | 206 | { |
d8874665 TL |
207 | struct platform_device *pdev; |
208 | struct resource res[OMAP_MMC_NR_RES]; | |
209 | int ret; | |
210 | ||
0dffb5c5 | 211 | pdev = platform_device_alloc(name, id); |
d8874665 TL |
212 | if (!pdev) |
213 | return -ENOMEM; | |
214 | ||
215 | memset(res, 0, OMAP_MMC_NR_RES * sizeof(struct resource)); | |
216 | res[0].start = base; | |
217 | res[0].end = base + size - 1; | |
218 | res[0].flags = IORESOURCE_MEM; | |
219 | res[1].start = res[1].end = irq; | |
220 | res[1].flags = IORESOURCE_IRQ; | |
221 | ||
222 | ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res)); | |
223 | if (ret == 0) | |
224 | ret = platform_device_add_data(pdev, data, sizeof(*data)); | |
225 | if (ret) | |
226 | goto fail; | |
227 | ||
228 | ret = platform_device_add(pdev); | |
229 | if (ret) | |
230 | goto fail; | |
01971f65 DB |
231 | |
232 | /* return device handle to board setup code */ | |
233 | data->dev = &pdev->dev; | |
d8874665 | 234 | return 0; |
7736c09c | 235 | |
d8874665 TL |
236 | fail: |
237 | platform_device_put(pdev); | |
238 | return ret; | |
7736c09c RK |
239 | } |
240 | ||
1a8bfa1e TL |
241 | #endif |
242 | ||
9b6553cd TL |
243 | /*-------------------------------------------------------------------------*/ |
244 | ||
245 | /* Numbering for the SPI-capable controllers when used for SPI: | |
246 | * spi = 1 | |
247 | * uwire = 2 | |
248 | * mmc1..2 = 3..4 | |
249 | * mcbsp1..3 = 5..7 | |
250 | */ | |
251 | ||
252 | #if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE) | |
253 | ||
254 | #define OMAP_UWIRE_BASE 0xfffb3000 | |
255 | ||
256 | static struct resource uwire_resources[] = { | |
257 | { | |
258 | .start = OMAP_UWIRE_BASE, | |
259 | .end = OMAP_UWIRE_BASE + 0x20, | |
260 | .flags = IORESOURCE_MEM, | |
261 | }, | |
262 | }; | |
263 | ||
264 | static struct platform_device omap_uwire_device = { | |
265 | .name = "omap_uwire", | |
266 | .id = -1, | |
9b6553cd TL |
267 | .num_resources = ARRAY_SIZE(uwire_resources), |
268 | .resource = uwire_resources, | |
269 | }; | |
270 | ||
271 | static void omap_init_uwire(void) | |
272 | { | |
273 | /* FIXME define and use a boot tag; not all boards will be hooking | |
274 | * up devices to the microwire controller, and multi-board configs | |
275 | * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway... | |
276 | */ | |
277 | ||
278 | /* board-specific code must configure chipselects (only a few | |
279 | * are normally used) and SCLK/SDI/SDO (each has two choices). | |
280 | */ | |
281 | (void) platform_device_register(&omap_uwire_device); | |
282 | } | |
283 | #else | |
284 | static inline void omap_init_uwire(void) {} | |
285 | #endif | |
286 | ||
287 | /*-------------------------------------------------------------------------*/ | |
288 | ||
1a8bfa1e TL |
289 | #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) |
290 | ||
1a8bfa1e TL |
291 | static struct resource wdt_resources[] = { |
292 | { | |
1a8bfa1e TL |
293 | .flags = IORESOURCE_MEM, |
294 | }, | |
295 | }; | |
296 | ||
297 | static struct platform_device omap_wdt_device = { | |
298 | .name = "omap_wdt", | |
299 | .id = -1, | |
1a8bfa1e TL |
300 | .num_resources = ARRAY_SIZE(wdt_resources), |
301 | .resource = wdt_resources, | |
302 | }; | |
303 | ||
304 | static void omap_init_wdt(void) | |
305 | { | |
2817142f FB |
306 | if (cpu_is_omap16xx()) |
307 | wdt_resources[0].start = 0xfffeb000; | |
308 | else if (cpu_is_omap2420()) | |
309 | wdt_resources[0].start = 0x48022000; /* WDT2 */ | |
310 | else if (cpu_is_omap2430()) | |
311 | wdt_resources[0].start = 0x49016000; /* WDT2 */ | |
312 | else if (cpu_is_omap343x()) | |
313 | wdt_resources[0].start = 0x48314000; /* WDT2 */ | |
44169075 SS |
314 | else if (cpu_is_omap44xx()) |
315 | wdt_resources[0].start = 0x4a314000; | |
2817142f FB |
316 | else |
317 | return; | |
318 | ||
319 | wdt_resources[0].end = wdt_resources[0].start + 0x4f; | |
320 | ||
1a8bfa1e TL |
321 | (void) platform_device_register(&omap_wdt_device); |
322 | } | |
323 | #else | |
324 | static inline void omap_init_wdt(void) {} | |
325 | #endif | |
326 | ||
327 | /*-------------------------------------------------------------------------*/ | |
328 | ||
c40fae95 | 329 | #if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE) |
1a8bfa1e TL |
330 | |
331 | #ifdef CONFIG_ARCH_OMAP24XX | |
332 | #define OMAP_RNG_BASE 0x480A0000 | |
333 | #else | |
334 | #define OMAP_RNG_BASE 0xfffe5000 | |
335 | #endif | |
336 | ||
337 | static struct resource rng_resources[] = { | |
338 | { | |
339 | .start = OMAP_RNG_BASE, | |
340 | .end = OMAP_RNG_BASE + 0x4f, | |
341 | .flags = IORESOURCE_MEM, | |
342 | }, | |
343 | }; | |
344 | ||
345 | static struct platform_device omap_rng_device = { | |
346 | .name = "omap_rng", | |
347 | .id = -1, | |
1a8bfa1e TL |
348 | .num_resources = ARRAY_SIZE(rng_resources), |
349 | .resource = rng_resources, | |
350 | }; | |
351 | ||
352 | static void omap_init_rng(void) | |
353 | { | |
354 | (void) platform_device_register(&omap_rng_device); | |
355 | } | |
356 | #else | |
357 | static inline void omap_init_rng(void) {} | |
358 | #endif | |
359 | ||
1a8bfa1e TL |
360 | /* |
361 | * This gets called after board-specific INIT_MACHINE, and initializes most | |
362 | * on-chip peripherals accessible on this board (except for few like USB): | |
363 | * | |
364 | * (a) Does any "standard config" pin muxing needed. Board-specific | |
365 | * code will have muxed GPIO pins and done "nonstandard" setup; | |
366 | * that code could live in the boot loader. | |
367 | * (b) Populating board-specific platform_data with the data drivers | |
368 | * rely on to handle wiring variations. | |
369 | * (c) Creating platform devices as meaningful on this board and | |
370 | * with this kernel configuration. | |
371 | * | |
372 | * Claiming GPIOs, and setting their direction and initial values, is the | |
373 | * responsibility of the device drivers. So is responding to probe(). | |
374 | * | |
375 | * Board-specific knowlege like creating devices or pin setup is to be | |
376 | * kept out of drivers as much as possible. In particular, pin setup | |
377 | * may be handled by the boot loader, and drivers should expect it will | |
378 | * normally have been done by the time they're probed. | |
379 | */ | |
380 | static int __init omap_init_devices(void) | |
381 | { | |
382 | /* please keep these calls, and their implementations above, | |
383 | * in alphabetical order so they're easier to sort through. | |
384 | */ | |
c40fae95 | 385 | omap_init_dsp(); |
9b6553cd | 386 | omap_init_kp(); |
9b6553cd | 387 | omap_init_uwire(); |
1a8bfa1e TL |
388 | omap_init_wdt(); |
389 | omap_init_rng(); | |
1a8bfa1e TL |
390 | return 0; |
391 | } | |
392 | arch_initcall(omap_init_devices); |