mm: replace various uses of num_physpages by totalram_pages
[deliverable/linux.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>
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
34static struct dsp_platform_data dsp_pdata = {
35 .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list),
36};
37
38static struct resource omap_dsp_resources[] = {
39 {
40 .name = "dsp_mmu",
41 .start = -1,
42 .flags = IORESOURCE_IRQ,
43 },
44};
45
46static 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
56static 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
75int 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}
87EXPORT_SYMBOL(dsp_kfunc_device_register);
88
89#else
90static 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
96static 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
150static inline void omap_init_kp(void) {}
151#endif
152
bc5d0c89
EV
153/*-------------------------------------------------------------------------*/
154#if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE)
155
156static struct platform_device **omap_mcbsp_devices;
157
158void 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
188void 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
203int __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
236fail:
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
256static struct resource uwire_resources[] = {
257 {
258 .start = OMAP_UWIRE_BASE,
259 .end = OMAP_UWIRE_BASE + 0x20,
260 .flags = IORESOURCE_MEM,
261 },
262};
263
264static 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
271static 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
284static 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
291static struct resource wdt_resources[] = {
292 {
1a8bfa1e
TL
293 .flags = IORESOURCE_MEM,
294 },
295};
296
297static 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
304static 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
324static 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
337static struct resource rng_resources[] = {
338 {
339 .start = OMAP_RNG_BASE,
340 .end = OMAP_RNG_BASE + 0x4f,
341 .flags = IORESOURCE_MEM,
342 },
343};
344
345static 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
352static void omap_init_rng(void)
353{
354 (void) platform_device_register(&omap_rng_device);
355}
356#else
357static 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 */
380static 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}
392arch_initcall(omap_init_devices);
This page took 0.330142 seconds and 5 git commands to generate.