omap mmc: Add low-level initialization for hsmmc controller
[linux-2.6.git] / arch / arm / mach-omap2 / devices.c
1 /*
2  * linux/arch/arm/mach-omap2/devices.c
3  *
4  * OMAP2 platform device setup/initialization
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
12 #include <linux/module.h>
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16 #include <linux/io.h>
17
18 #include <mach/hardware.h>
19 #include <asm/mach-types.h>
20 #include <asm/mach/map.h>
21
22 #include <mach/control.h>
23 #include <mach/tc.h>
24 #include <mach/board.h>
25 #include <mach/mux.h>
26 #include <mach/gpio.h>
27 #include <mach/eac.h>
28 #include <mach/mmc.h>
29
30 #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
31 #define OMAP2_MBOX_BASE         IO_ADDRESS(OMAP24XX_MAILBOX_BASE)
32
33 static struct resource mbox_resources[] = {
34         {
35                 .start          = OMAP2_MBOX_BASE,
36                 .end            = OMAP2_MBOX_BASE + 0x11f,
37                 .flags          = IORESOURCE_MEM,
38         },
39         {
40                 .start          = INT_24XX_MAIL_U0_MPU,
41                 .flags          = IORESOURCE_IRQ,
42         },
43         {
44                 .start          = INT_24XX_MAIL_U3_MPU,
45                 .flags          = IORESOURCE_IRQ,
46         },
47 };
48
49 static struct platform_device mbox_device = {
50         .name           = "mailbox",
51         .id             = -1,
52         .num_resources  = ARRAY_SIZE(mbox_resources),
53         .resource       = mbox_resources,
54 };
55
56 static inline void omap_init_mbox(void)
57 {
58         platform_device_register(&mbox_device);
59 }
60 #else
61 static inline void omap_init_mbox(void) { }
62 #endif
63
64 #if defined(CONFIG_OMAP_STI)
65
66 #if defined(CONFIG_ARCH_OMAP2)
67
68 #define OMAP2_STI_BASE          0x48068000
69 #define OMAP2_STI_CHANNEL_BASE  0x54000000
70 #define OMAP2_STI_IRQ           4
71
72 static struct resource sti_resources[] = {
73         {
74                 .start          = OMAP2_STI_BASE,
75                 .end            = OMAP2_STI_BASE + 0x7ff,
76                 .flags          = IORESOURCE_MEM,
77         },
78         {
79                 .start          = OMAP2_STI_CHANNEL_BASE,
80                 .end            = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1,
81                 .flags          = IORESOURCE_MEM,
82         },
83         {
84                 .start          = OMAP2_STI_IRQ,
85                 .flags          = IORESOURCE_IRQ,
86         }
87 };
88 #elif defined(CONFIG_ARCH_OMAP3)
89
90 #define OMAP3_SDTI_BASE         0x54500000
91 #define OMAP3_SDTI_CHANNEL_BASE 0x54600000
92
93 static struct resource sti_resources[] = {
94         {
95                 .start          = OMAP3_SDTI_BASE,
96                 .end            = OMAP3_SDTI_BASE + 0xFFF,
97                 .flags          = IORESOURCE_MEM,
98         },
99         {
100                 .start          = OMAP3_SDTI_CHANNEL_BASE,
101                 .end            = OMAP3_SDTI_CHANNEL_BASE + SZ_1M - 1,
102                 .flags          = IORESOURCE_MEM,
103         }
104 };
105
106 #endif
107
108 static struct platform_device sti_device = {
109         .name           = "sti",
110         .id             = -1,
111         .num_resources  = ARRAY_SIZE(sti_resources),
112         .resource       = sti_resources,
113 };
114
115 static inline void omap_init_sti(void)
116 {
117         platform_device_register(&sti_device);
118 }
119 #else
120 static inline void omap_init_sti(void) {}
121 #endif
122
123 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
124
125 #include <mach/mcspi.h>
126
127 #define OMAP2_MCSPI1_BASE               0x48098000
128 #define OMAP2_MCSPI2_BASE               0x4809a000
129 #define OMAP2_MCSPI3_BASE               0x480b8000
130 #define OMAP2_MCSPI4_BASE               0x480ba000
131
132 static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
133         .num_cs         = 4,
134 };
135
136 static struct resource omap2_mcspi1_resources[] = {
137         {
138                 .start          = OMAP2_MCSPI1_BASE,
139                 .end            = OMAP2_MCSPI1_BASE + 0xff,
140                 .flags          = IORESOURCE_MEM,
141         },
142 };
143
144 static struct platform_device omap2_mcspi1 = {
145         .name           = "omap2_mcspi",
146         .id             = 1,
147         .num_resources  = ARRAY_SIZE(omap2_mcspi1_resources),
148         .resource       = omap2_mcspi1_resources,
149         .dev            = {
150                 .platform_data = &omap2_mcspi1_config,
151         },
152 };
153
154 static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
155         .num_cs         = 2,
156 };
157
158 static struct resource omap2_mcspi2_resources[] = {
159         {
160                 .start          = OMAP2_MCSPI2_BASE,
161                 .end            = OMAP2_MCSPI2_BASE + 0xff,
162                 .flags          = IORESOURCE_MEM,
163         },
164 };
165
166 static struct platform_device omap2_mcspi2 = {
167         .name           = "omap2_mcspi",
168         .id             = 2,
169         .num_resources  = ARRAY_SIZE(omap2_mcspi2_resources),
170         .resource       = omap2_mcspi2_resources,
171         .dev            = {
172                 .platform_data = &omap2_mcspi2_config,
173         },
174 };
175
176 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
177 static struct omap2_mcspi_platform_config omap2_mcspi3_config = {
178         .num_cs         = 2,
179 };
180
181 static struct resource omap2_mcspi3_resources[] = {
182         {
183         .start          = OMAP2_MCSPI3_BASE,
184         .end            = OMAP2_MCSPI3_BASE + 0xff,
185         .flags          = IORESOURCE_MEM,
186         },
187 };
188
189 static struct platform_device omap2_mcspi3 = {
190         .name           = "omap2_mcspi",
191         .id             = 3,
192         .num_resources  = ARRAY_SIZE(omap2_mcspi3_resources),
193         .resource       = omap2_mcspi3_resources,
194         .dev            = {
195                 .platform_data = &omap2_mcspi3_config,
196         },
197 };
198 #endif
199
200 #ifdef CONFIG_ARCH_OMAP3
201 static struct omap2_mcspi_platform_config omap2_mcspi4_config = {
202         .num_cs         = 1,
203 };
204
205 static struct resource omap2_mcspi4_resources[] = {
206         {
207                 .start          = OMAP2_MCSPI4_BASE,
208                 .end            = OMAP2_MCSPI4_BASE + 0xff,
209                 .flags          = IORESOURCE_MEM,
210         },
211 };
212
213 static struct platform_device omap2_mcspi4 = {
214         .name           = "omap2_mcspi",
215         .id             = 4,
216         .num_resources  = ARRAY_SIZE(omap2_mcspi4_resources),
217         .resource       = omap2_mcspi4_resources,
218         .dev            = {
219                 .platform_data = &omap2_mcspi4_config,
220         },
221 };
222 #endif
223
224 static void omap_init_mcspi(void)
225 {
226         platform_device_register(&omap2_mcspi1);
227         platform_device_register(&omap2_mcspi2);
228 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
229         platform_device_register(&omap2_mcspi3);
230 #endif
231 #ifdef CONFIG_ARCH_OMAP3
232         platform_device_register(&omap2_mcspi4);
233 #endif
234 }
235
236 #else
237 static inline void omap_init_mcspi(void) {}
238 #endif
239
240 #ifdef CONFIG_SND_OMAP24XX_EAC
241
242 #define OMAP2_EAC_BASE                  0x48090000
243
244 static struct resource omap2_eac_resources[] = {
245         {
246                 .start          = OMAP2_EAC_BASE,
247                 .end            = OMAP2_EAC_BASE + 0x109,
248                 .flags          = IORESOURCE_MEM,
249         },
250 };
251
252 static struct platform_device omap2_eac_device = {
253         .name           = "omap24xx-eac",
254         .id             = -1,
255         .num_resources  = ARRAY_SIZE(omap2_eac_resources),
256         .resource       = omap2_eac_resources,
257         .dev = {
258                 .platform_data = NULL,
259         },
260 };
261
262 void omap_init_eac(struct eac_platform_data *pdata)
263 {
264         omap2_eac_device.dev.platform_data = pdata;
265         platform_device_register(&omap2_eac_device);
266 }
267
268 #else
269 void omap_init_eac(struct eac_platform_data *pdata) {}
270 #endif
271
272 #ifdef CONFIG_OMAP_SHA1_MD5
273 static struct resource sha1_md5_resources[] = {
274         {
275                 .start  = OMAP24XX_SEC_SHA1MD5_BASE,
276                 .end    = OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
277                 .flags  = IORESOURCE_MEM,
278         },
279         {
280                 .start  = INT_24XX_SHA1MD5,
281                 .flags  = IORESOURCE_IRQ,
282         }
283 };
284
285 static struct platform_device sha1_md5_device = {
286         .name           = "OMAP SHA1/MD5",
287         .id             = -1,
288         .num_resources  = ARRAY_SIZE(sha1_md5_resources),
289         .resource       = sha1_md5_resources,
290 };
291
292 static void omap_init_sha1_md5(void)
293 {
294         platform_device_register(&sha1_md5_device);
295 }
296 #else
297 static inline void omap_init_sha1_md5(void) { }
298 #endif
299
300 /*-------------------------------------------------------------------------*/
301
302 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
303         defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
304
305 static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
306                         int controller_nr)
307 {
308         if (cpu_is_omap2420() && controller_nr == 0) {
309                 omap_cfg_reg(H18_24XX_MMC_CMD);
310                 omap_cfg_reg(H15_24XX_MMC_CLKI);
311                 omap_cfg_reg(G19_24XX_MMC_CLKO);
312                 omap_cfg_reg(F20_24XX_MMC_DAT0);
313                 omap_cfg_reg(F19_24XX_MMC_DAT_DIR0);
314                 omap_cfg_reg(G18_24XX_MMC_CMD_DIR);
315                 if (mmc_controller->slots[0].wires == 4) {
316                         omap_cfg_reg(H14_24XX_MMC_DAT1);
317                         omap_cfg_reg(E19_24XX_MMC_DAT2);
318                         omap_cfg_reg(D19_24XX_MMC_DAT3);
319                         omap_cfg_reg(E20_24XX_MMC_DAT_DIR1);
320                         omap_cfg_reg(F18_24XX_MMC_DAT_DIR2);
321                         omap_cfg_reg(E18_24XX_MMC_DAT_DIR3);
322                 }
323
324                 /*
325                  * Use internal loop-back in MMC/SDIO Module Input Clock
326                  * selection
327                  */
328                 if (mmc_controller->slots[0].internal_clock) {
329                         u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
330                         v |= (1 << 24);
331                         omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
332                 }
333         }
334 }
335
336 void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
337                         int nr_controllers)
338 {
339         int i;
340
341         for (i = 0; i < nr_controllers; i++) {
342                 unsigned long base, size;
343                 unsigned int irq = 0;
344
345                 if (!mmc_data[i])
346                         continue;
347
348                 omap2_mmc_mux(mmc_data[i], i);
349
350                 switch (i) {
351                 case 0:
352                         base = OMAP2_MMC1_BASE;
353                         irq = INT_24XX_MMC_IRQ;
354                         break;
355                 case 1:
356                         base = OMAP2_MMC2_BASE;
357                         irq = INT_24XX_MMC2_IRQ;
358                         break;
359                 case 2:
360                         if (!cpu_is_omap34xx())
361                                 return;
362                         base = OMAP3_MMC3_BASE;
363                         irq = INT_34XX_MMC3_IRQ;
364                         break;
365                 default:
366                         continue;
367                 }
368
369                 if (cpu_is_omap2420())
370                         size = OMAP2420_MMC_SIZE;
371                 else
372                         size = HSMMC_SIZE;
373
374                 omap_mmc_add(i, base, size, irq, mmc_data[i]);
375         };
376 }
377
378 #endif
379
380 /*-------------------------------------------------------------------------*/
381
382 #if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE)
383 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3430)
384 #define OMAP_HDQ_BASE   0x480B2000
385 #endif
386 static struct resource omap_hdq_resources[] = {
387         {
388                 .start          = OMAP_HDQ_BASE,
389                 .end            = OMAP_HDQ_BASE + 0x1C,
390                 .flags          = IORESOURCE_MEM,
391         },
392         {
393                 .start          = INT_24XX_HDQ_IRQ,
394                 .flags          = IORESOURCE_IRQ,
395         },
396 };
397 static struct platform_device omap_hdq_dev = {
398         .name = "omap_hdq",
399         .id = 0,
400         .dev = {
401                 .platform_data = NULL,
402         },
403         .num_resources  = ARRAY_SIZE(omap_hdq_resources),
404         .resource       = omap_hdq_resources,
405 };
406 static inline void omap_hdq_init(void)
407 {
408         (void) platform_device_register(&omap_hdq_dev);
409 }
410 #else
411 static inline void omap_hdq_init(void) {}
412 #endif
413
414 /*-------------------------------------------------------------------------*/
415
416 static int __init omap2_init_devices(void)
417 {
418         /* please keep these calls, and their implementations above,
419          * in alphabetical order so they're easier to sort through.
420          */
421         omap_init_mbox();
422         omap_init_mcspi();
423         omap_hdq_init();
424         omap_init_sti();
425         omap_init_sha1_md5();
426
427         return 0;
428 }
429 arch_initcall(omap2_init_devices);