include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[linux-block.git] / arch / arm / plat-omap / devices.c
CommitLineData
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>
5a0e3ad6 17#include <linux/slab.h>
1a8bfa1e 18
a09e64fb 19#include <mach/hardware.h>
1a8bfa1e
TL
20#include <asm/mach-types.h>
21#include <asm/mach/map.h>
22
ce491cf8
TL
23#include <plat/tc.h>
24#include <plat/control.h>
25#include <plat/board.h>
26#include <plat/mmc.h>
27#include <plat/mux.h>
a09e64fb 28#include <mach/gpio.h>
ce491cf8
TL
29#include <plat/menelaus.h>
30#include <plat/mcbsp.h>
31#include <plat/dsp_common.h>
d6a2d9b8 32#include <plat/omap44xx.h>
1a8bfa1e 33
c40fae95
TL
34#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
35
c40fae95
TL
36static struct dsp_platform_data dsp_pdata = {
37 .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list),
38};
39
40static struct resource omap_dsp_resources[] = {
41 {
42 .name = "dsp_mmu",
43 .start = -1,
44 .flags = IORESOURCE_IRQ,
45 },
46};
47
48static struct platform_device omap_dsp_device = {
49 .name = "dsp",
50 .id = -1,
51 .num_resources = ARRAY_SIZE(omap_dsp_resources),
52 .resource = omap_dsp_resources,
53 .dev = {
54 .platform_data = &dsp_pdata,
55 },
56};
57
58static inline void omap_init_dsp(void)
59{
60 struct resource *res;
61 int irq;
62
63 if (cpu_is_omap15xx())
64 irq = INT_1510_DSP_MMU;
65 else if (cpu_is_omap16xx())
66 irq = INT_1610_DSP_MMU;
67 else if (cpu_is_omap24xx())
68 irq = INT_24XX_DSP_MMU;
69
70 res = platform_get_resource_byname(&omap_dsp_device,
71 IORESOURCE_IRQ, "dsp_mmu");
72 res->start = irq;
73
74 platform_device_register(&omap_dsp_device);
75}
76
77int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev)
78{
79 static DEFINE_MUTEX(dsp_pdata_lock);
80
646e3ed1 81 spin_lock_init(&kdev->lock);
c40fae95
TL
82
83 mutex_lock(&dsp_pdata_lock);
84 list_add_tail(&kdev->entry, &dsp_pdata.kdev_list);
85 mutex_unlock(&dsp_pdata_lock);
86
87 return 0;
88}
89EXPORT_SYMBOL(dsp_kfunc_device_register);
90
91#else
92static inline void omap_init_dsp(void) { }
93#endif /* CONFIG_OMAP_DSP */
94
9b6553cd
TL
95/*-------------------------------------------------------------------------*/
96#if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
97
98static void omap_init_kp(void)
99{
cc26b3b0
SMK
100 /* 2430 and 34xx keypad is on TWL4030 */
101 if (cpu_is_omap2430() || cpu_is_omap34xx())
102 return;
103
9b6553cd
TL
104 if (machine_is_omap_h2() || machine_is_omap_h3()) {
105 omap_cfg_reg(F18_1610_KBC0);
106 omap_cfg_reg(D20_1610_KBC1);
107 omap_cfg_reg(D19_1610_KBC2);
108 omap_cfg_reg(E18_1610_KBC3);
109 omap_cfg_reg(C21_1610_KBC4);
110
111 omap_cfg_reg(G18_1610_KBR0);
112 omap_cfg_reg(F19_1610_KBR1);
113 omap_cfg_reg(H14_1610_KBR2);
114 omap_cfg_reg(E20_1610_KBR3);
115 omap_cfg_reg(E19_1610_KBR4);
116 omap_cfg_reg(N19_1610_KBR5);
495f71db 117 } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) {
7c006926
AB
118 omap_cfg_reg(E2_7XX_KBR0);
119 omap_cfg_reg(J7_7XX_KBR1);
120 omap_cfg_reg(E1_7XX_KBR2);
121 omap_cfg_reg(F3_7XX_KBR3);
122 omap_cfg_reg(D2_7XX_KBR4);
123
124 omap_cfg_reg(C2_7XX_KBC0);
125 omap_cfg_reg(D3_7XX_KBC1);
126 omap_cfg_reg(E4_7XX_KBC2);
127 omap_cfg_reg(F4_7XX_KBC3);
128 omap_cfg_reg(E3_7XX_KBC4);
9b6553cd
TL
129 } else if (machine_is_omap_h4()) {
130 omap_cfg_reg(T19_24XX_KBR0);
131 omap_cfg_reg(R19_24XX_KBR1);
132 omap_cfg_reg(V18_24XX_KBR2);
133 omap_cfg_reg(M21_24XX_KBR3);
134 omap_cfg_reg(E5__24XX_KBR4);
135 if (omap_has_menelaus()) {
136 omap_cfg_reg(B3__24XX_KBR5);
137 omap_cfg_reg(AA4_24XX_KBC2);
138 omap_cfg_reg(B13_24XX_KBC6);
139 } else {
140 omap_cfg_reg(M18_24XX_KBR5);
141 omap_cfg_reg(H19_24XX_KBC2);
142 omap_cfg_reg(N19_24XX_KBC6);
143 }
144 omap_cfg_reg(R20_24XX_KBC0);
145 omap_cfg_reg(M14_24XX_KBC1);
146 omap_cfg_reg(V17_24XX_KBC3);
147 omap_cfg_reg(P21_24XX_KBC4);
148 omap_cfg_reg(L14_24XX_KBC5);
149 }
150}
151#else
152static inline void omap_init_kp(void) {}
153#endif
154
bc5d0c89
EV
155/*-------------------------------------------------------------------------*/
156#if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE)
157
158static struct platform_device **omap_mcbsp_devices;
159
160void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
161 int size)
162{
163 int i;
164
bc5d0c89
EV
165 omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *),
166 GFP_KERNEL);
167 if (!omap_mcbsp_devices) {
168 printk(KERN_ERR "Could not register McBSP devices\n");
169 return;
170 }
171
172 for (i = 0; i < size; i++) {
173 struct platform_device *new_mcbsp;
174 int ret;
175
176 new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1);
177 if (!new_mcbsp)
178 continue;
179 new_mcbsp->dev.platform_data = &config[i];
180 ret = platform_device_add(new_mcbsp);
181 if (ret) {
182 platform_device_put(new_mcbsp);
183 continue;
184 }
185 omap_mcbsp_devices[i] = new_mcbsp;
186 }
187}
188
189#else
190void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
191 int size)
192{ }
193#endif
194
1a8bfa1e
TL
195/*-------------------------------------------------------------------------*/
196
d6a2d9b8
JEC
197#if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \
198 defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE)
199
200static struct resource mcpdm_resources[] = {
201 {
202 .name = "mcpdm_mem",
203 .start = OMAP44XX_MCPDM_BASE,
204 .end = OMAP44XX_MCPDM_BASE + SZ_4K,
205 .flags = IORESOURCE_MEM,
206 },
207 {
208 .name = "mcpdm_irq",
5772ca7d
SS
209 .start = OMAP44XX_IRQ_MCPDM,
210 .end = OMAP44XX_IRQ_MCPDM,
d6a2d9b8
JEC
211 .flags = IORESOURCE_IRQ,
212 },
213};
214
215static struct platform_device omap_mcpdm_device = {
216 .name = "omap-mcpdm",
217 .id = -1,
218 .num_resources = ARRAY_SIZE(mcpdm_resources),
219 .resource = mcpdm_resources,
220};
221
222static void omap_init_mcpdm(void)
223{
224 (void) platform_device_register(&omap_mcpdm_device);
225}
226#else
227static inline void omap_init_mcpdm(void) {}
228#endif
229
230/*-------------------------------------------------------------------------*/
231
d8874665 232#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
7736c09c 233 defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
1a8bfa1e 234
d8874665 235#define OMAP_MMC_NR_RES 2
7736c09c 236
d8874665
TL
237/*
238 * Register MMC devices. Called from mach-omap1 and mach-omap2 device init.
239 */
0dffb5c5
TL
240int __init omap_mmc_add(const char *name, int id, unsigned long base,
241 unsigned long size, unsigned int irq,
242 struct omap_mmc_platform_data *data)
7736c09c 243{
d8874665
TL
244 struct platform_device *pdev;
245 struct resource res[OMAP_MMC_NR_RES];
246 int ret;
247
0dffb5c5 248 pdev = platform_device_alloc(name, id);
d8874665
TL
249 if (!pdev)
250 return -ENOMEM;
251
252 memset(res, 0, OMAP_MMC_NR_RES * sizeof(struct resource));
253 res[0].start = base;
254 res[0].end = base + size - 1;
255 res[0].flags = IORESOURCE_MEM;
256 res[1].start = res[1].end = irq;
257 res[1].flags = IORESOURCE_IRQ;
258
259 ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res));
260 if (ret == 0)
261 ret = platform_device_add_data(pdev, data, sizeof(*data));
262 if (ret)
263 goto fail;
264
265 ret = platform_device_add(pdev);
266 if (ret)
267 goto fail;
01971f65
DB
268
269 /* return device handle to board setup code */
270 data->dev = &pdev->dev;
d8874665 271 return 0;
7736c09c 272
d8874665
TL
273fail:
274 platform_device_put(pdev);
275 return ret;
7736c09c
RK
276}
277
1a8bfa1e
TL
278#endif
279
9b6553cd
TL
280/*-------------------------------------------------------------------------*/
281
3bfe8971
LM
282#if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE)
283
088ef950 284#ifdef CONFIG_ARCH_OMAP2
3bfe8971
LM
285#define OMAP_RNG_BASE 0x480A0000
286#else
287#define OMAP_RNG_BASE 0xfffe5000
288#endif
289
290static struct resource rng_resources[] = {
291 {
292 .start = OMAP_RNG_BASE,
293 .end = OMAP_RNG_BASE + 0x4f,
294 .flags = IORESOURCE_MEM,
295 },
296};
297
298static struct platform_device omap_rng_device = {
299 .name = "omap_rng",
300 .id = -1,
301 .num_resources = ARRAY_SIZE(rng_resources),
302 .resource = rng_resources,
303};
304
305static void omap_init_rng(void)
306{
307 (void) platform_device_register(&omap_rng_device);
308}
309#else
310static inline void omap_init_rng(void) {}
311#endif
312
313/*-------------------------------------------------------------------------*/
314
9b6553cd
TL
315/* Numbering for the SPI-capable controllers when used for SPI:
316 * spi = 1
317 * uwire = 2
318 * mmc1..2 = 3..4
319 * mcbsp1..3 = 5..7
320 */
321
322#if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)
323
324#define OMAP_UWIRE_BASE 0xfffb3000
325
326static struct resource uwire_resources[] = {
327 {
328 .start = OMAP_UWIRE_BASE,
329 .end = OMAP_UWIRE_BASE + 0x20,
330 .flags = IORESOURCE_MEM,
331 },
332};
333
334static struct platform_device omap_uwire_device = {
335 .name = "omap_uwire",
336 .id = -1,
9b6553cd
TL
337 .num_resources = ARRAY_SIZE(uwire_resources),
338 .resource = uwire_resources,
339};
340
341static void omap_init_uwire(void)
342{
343 /* FIXME define and use a boot tag; not all boards will be hooking
344 * up devices to the microwire controller, and multi-board configs
345 * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
346 */
347
348 /* board-specific code must configure chipselects (only a few
349 * are normally used) and SCLK/SDI/SDO (each has two choices).
350 */
351 (void) platform_device_register(&omap_uwire_device);
352}
353#else
354static inline void omap_init_uwire(void) {}
355#endif
356
357/*-------------------------------------------------------------------------*/
358
1a8bfa1e
TL
359#if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
360
1a8bfa1e
TL
361static struct resource wdt_resources[] = {
362 {
1a8bfa1e
TL
363 .flags = IORESOURCE_MEM,
364 },
365};
366
367static struct platform_device omap_wdt_device = {
368 .name = "omap_wdt",
369 .id = -1,
1a8bfa1e
TL
370 .num_resources = ARRAY_SIZE(wdt_resources),
371 .resource = wdt_resources,
372};
373
374static void omap_init_wdt(void)
375{
2817142f
FB
376 if (cpu_is_omap16xx())
377 wdt_resources[0].start = 0xfffeb000;
378 else if (cpu_is_omap2420())
379 wdt_resources[0].start = 0x48022000; /* WDT2 */
380 else if (cpu_is_omap2430())
381 wdt_resources[0].start = 0x49016000; /* WDT2 */
382 else if (cpu_is_omap343x())
383 wdt_resources[0].start = 0x48314000; /* WDT2 */
44169075
SS
384 else if (cpu_is_omap44xx())
385 wdt_resources[0].start = 0x4a314000;
2817142f
FB
386 else
387 return;
388
389 wdt_resources[0].end = wdt_resources[0].start + 0x4f;
390
1a8bfa1e
TL
391 (void) platform_device_register(&omap_wdt_device);
392}
393#else
394static inline void omap_init_wdt(void) {}
395#endif
396
1a8bfa1e
TL
397/*
398 * This gets called after board-specific INIT_MACHINE, and initializes most
399 * on-chip peripherals accessible on this board (except for few like USB):
400 *
401 * (a) Does any "standard config" pin muxing needed. Board-specific
402 * code will have muxed GPIO pins and done "nonstandard" setup;
403 * that code could live in the boot loader.
404 * (b) Populating board-specific platform_data with the data drivers
405 * rely on to handle wiring variations.
406 * (c) Creating platform devices as meaningful on this board and
407 * with this kernel configuration.
408 *
409 * Claiming GPIOs, and setting their direction and initial values, is the
410 * responsibility of the device drivers. So is responding to probe().
411 *
412 * Board-specific knowlege like creating devices or pin setup is to be
413 * kept out of drivers as much as possible. In particular, pin setup
414 * may be handled by the boot loader, and drivers should expect it will
415 * normally have been done by the time they're probed.
416 */
417static int __init omap_init_devices(void)
418{
419 /* please keep these calls, and their implementations above,
420 * in alphabetical order so they're easier to sort through.
421 */
c40fae95 422 omap_init_dsp();
9b6553cd 423 omap_init_kp();
3bfe8971 424 omap_init_rng();
d6a2d9b8 425 omap_init_mcpdm();
9b6553cd 426 omap_init_uwire();
1a8bfa1e 427 omap_init_wdt();
1a8bfa1e
TL
428 return 0;
429}
430arch_initcall(omap_init_devices);