1 /*
2 * linux/arch/arm/mach-omap2/hsmmc.c
3 *
4 * Copyright (C) 2007-2008 Texas Instruments
5 * Copyright (C) 2008 Nokia Corporation
6 * Author: Texas Instruments
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12 #include <linux/kernel.h>
13 #include <linux/slab.h>
14 #include <linux/string.h>
15 #include <linux/delay.h>
16 #include <linux/gpio.h>
17 #include <mach/hardware.h>
18 #include <plat/mmc.h>
19 #include <plat/omap-pm.h>
20 #include <plat/mux.h>
21 #include <plat/omap_device.h>
22
23 #include "mux.h"
24 #include "hsmmc.h"
25 #include "control.h"
26
27 #if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
28
29 static u16 control_pbias_offset;
30 static u16 control_devconf1_offset;
31 static u16 control_mmc1;
32
33 #define HSMMC_NAME_LEN 9
34
35 #if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
36
hsmmc_get_context_loss(struct device * dev)37 static int hsmmc_get_context_loss(struct device *dev)
38 {
39 return omap_pm_get_dev_context_loss_count(dev);
40 }
41
42 #else
43 #define hsmmc_get_context_loss NULL
44 #endif
45
omap_hsmmc1_before_set_reg(struct device * dev,int slot,int power_on,int vdd)46 static void omap_hsmmc1_before_set_reg(struct device *dev, int slot,
47 int power_on, int vdd)
48 {
49 u32 reg, prog_io;
50 struct omap_mmc_platform_data *mmc = dev->platform_data;
51
52 if (mmc->slots[0].remux)
53 mmc->slots[0].remux(dev, slot, power_on);
54
55 /*
56 * Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the
57 * card with Vcc regulator (from twl4030 or whatever). OMAP has both
58 * 1.8V and 3.0V modes, controlled by the PBIAS register.
59 *
60 * In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which
61 * is most naturally TWL VSIM; those pins also use PBIAS.
62 *
63 * FIXME handle VMMC1A as needed ...
64 */
65 if (power_on) {
66 if (cpu_is_omap2430()) {
67 reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1);
68 if ((1 << vdd) >= MMC_VDD_30_31)
69 reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE;
70 else
71 reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE;
72 omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1);
73 }
74
75 if (mmc->slots[0].internal_clock) {
76 reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
77 reg |= OMAP2_MMCSDIO1ADPCLKISEL;
78 omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0);
79 }
80
81 reg = omap_ctrl_readl(control_pbias_offset);
82 if (cpu_is_omap3630()) {
83 /* Set MMC I/O to 52Mhz */
84 prog_io = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1);
85 prog_io |= OMAP3630_PRG_SDMMC1_SPEEDCTRL;
86 omap_ctrl_writel(prog_io, OMAP343X_CONTROL_PROG_IO1);
87 } else {
88 reg |= OMAP2_PBIASSPEEDCTRL0;
89 }
90 reg &= ~OMAP2_PBIASLITEPWRDNZ0;
91 omap_ctrl_writel(reg, control_pbias_offset);
92 } else {
93 reg = omap_ctrl_readl(control_pbias_offset);
94 reg &= ~OMAP2_PBIASLITEPWRDNZ0;
95 omap_ctrl_writel(reg, control_pbias_offset);
96 }
97 }
98
omap_hsmmc1_after_set_reg(struct device * dev,int slot,int power_on,int vdd)99 static void omap_hsmmc1_after_set_reg(struct device *dev, int slot,
100 int power_on, int vdd)
101 {
102 u32 reg;
103
104 /* 100ms delay required for PBIAS configuration */
105 msleep(100);
106
107 if (power_on) {
108 reg = omap_ctrl_readl(control_pbias_offset);
109 reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0);
110 if ((1 << vdd) <= MMC_VDD_165_195)
111 reg &= ~OMAP2_PBIASLITEVMODE0;
112 else
113 reg |= OMAP2_PBIASLITEVMODE0;
114 omap_ctrl_writel(reg, control_pbias_offset);
115 } else {
116 reg = omap_ctrl_readl(control_pbias_offset);
117 reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 |
118 OMAP2_PBIASLITEVMODE0);
119 omap_ctrl_writel(reg, control_pbias_offset);
120 }
121 }
122
omap4_hsmmc1_before_set_reg(struct device * dev,int slot,int power_on,int vdd)123 static void omap4_hsmmc1_before_set_reg(struct device *dev, int slot,
124 int power_on, int vdd)
125 {
126 u32 reg;
127
128 /*
129 * Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the
130 * card with Vcc regulator (from twl4030 or whatever). OMAP has both
131 * 1.8V and 3.0V modes, controlled by the PBIAS register.
132 */
133 reg = omap4_ctrl_pad_readl(control_pbias_offset);
134 reg &= ~(OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
135 OMAP4_MMC1_PWRDNZ_MASK |
136 OMAP4_MMC1_PBIASLITE_VMODE_MASK);
137 omap4_ctrl_pad_writel(reg, control_pbias_offset);
138 }
139
omap4_hsmmc1_after_set_reg(struct device * dev,int slot,int power_on,int vdd)140 static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot,
141 int power_on, int vdd)
142 {
143 u32 reg;
144 unsigned long timeout;
145
146 if (power_on) {
147 reg = omap4_ctrl_pad_readl(control_pbias_offset);
148 reg |= OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK;
149 if ((1 << vdd) <= MMC_VDD_165_195)
150 reg &= ~OMAP4_MMC1_PBIASLITE_VMODE_MASK;
151 else
152 reg |= OMAP4_MMC1_PBIASLITE_VMODE_MASK;
153 reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
154 OMAP4_MMC1_PWRDNZ_MASK);
155 omap4_ctrl_pad_writel(reg, control_pbias_offset);
156
157 timeout = jiffies + msecs_to_jiffies(5);
158 do {
159 reg = omap4_ctrl_pad_readl(control_pbias_offset);
160 if (!(reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK))
161 break;
162 usleep_range(100, 200);
163 } while (!time_after(jiffies, timeout));
164
165 if (reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK) {
166 pr_err("Pbias Voltage is not same as LDO\n");
167 /* Caution : On VMODE_ERROR Power Down MMC IO */
168 reg &= ~(OMAP4_MMC1_PWRDNZ_MASK);
169 omap4_ctrl_pad_writel(reg, control_pbias_offset);
170 }
171 }
172 }
173
hsmmc2_select_input_clk_src(struct omap_mmc_platform_data * mmc)174 static void hsmmc2_select_input_clk_src(struct omap_mmc_platform_data *mmc)
175 {
176 u32 reg;
177
178 reg = omap_ctrl_readl(control_devconf1_offset);
179 if (mmc->slots[0].internal_clock)
180 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
181 else
182 reg &= ~OMAP2_MMCSDIO2ADPCLKISEL;
183 omap_ctrl_writel(reg, control_devconf1_offset);
184 }
185
hsmmc2_before_set_reg(struct device * dev,int slot,int power_on,int vdd)186 static void hsmmc2_before_set_reg(struct device *dev, int slot,
187 int power_on, int vdd)
188 {
189 struct omap_mmc_platform_data *mmc = dev->platform_data;
190
191 if (mmc->slots[0].remux)
192 mmc->slots[0].remux(dev, slot, power_on);
193
194 if (power_on)
195 hsmmc2_select_input_clk_src(mmc);
196 }
197
am35x_hsmmc2_set_power(struct device * dev,int slot,int power_on,int vdd)198 static int am35x_hsmmc2_set_power(struct device *dev, int slot,
199 int power_on, int vdd)
200 {
201 struct omap_mmc_platform_data *mmc = dev->platform_data;
202
203 if (power_on)
204 hsmmc2_select_input_clk_src(mmc);
205
206 return 0;
207 }
208
nop_mmc_set_power(struct device * dev,int slot,int power_on,int vdd)209 static int nop_mmc_set_power(struct device *dev, int slot, int power_on,
210 int vdd)
211 {
212 return 0;
213 }
214
omap_hsmmc_mux(struct omap_mmc_platform_data * mmc_controller,int controller_nr)215 static inline void omap_hsmmc_mux(struct omap_mmc_platform_data *mmc_controller,
216 int controller_nr)
217 {
218 if (gpio_is_valid(mmc_controller->slots[0].switch_pin) &&
219 (mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
220 omap_mux_init_gpio(mmc_controller->slots[0].switch_pin,
221 OMAP_PIN_INPUT_PULLUP);
222 if (gpio_is_valid(mmc_controller->slots[0].gpio_wp) &&
223 (mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES))
224 omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
225 OMAP_PIN_INPUT_PULLUP);
226 if (cpu_is_omap34xx()) {
227 if (controller_nr == 0) {
228 omap_mux_init_signal("sdmmc1_clk",
229 OMAP_PIN_INPUT_PULLUP);
230 omap_mux_init_signal("sdmmc1_cmd",
231 OMAP_PIN_INPUT_PULLUP);
232 omap_mux_init_signal("sdmmc1_dat0",
233 OMAP_PIN_INPUT_PULLUP);
234 if (mmc_controller->slots[0].caps &
235 (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) {
236 omap_mux_init_signal("sdmmc1_dat1",
237 OMAP_PIN_INPUT_PULLUP);
238 omap_mux_init_signal("sdmmc1_dat2",
239 OMAP_PIN_INPUT_PULLUP);
240 omap_mux_init_signal("sdmmc1_dat3",
241 OMAP_PIN_INPUT_PULLUP);
242 }
243 if (mmc_controller->slots[0].caps &
244 MMC_CAP_8_BIT_DATA) {
245 omap_mux_init_signal("sdmmc1_dat4",
246 OMAP_PIN_INPUT_PULLUP);
247 omap_mux_init_signal("sdmmc1_dat5",
248 OMAP_PIN_INPUT_PULLUP);
249 omap_mux_init_signal("sdmmc1_dat6",
250 OMAP_PIN_INPUT_PULLUP);
251 omap_mux_init_signal("sdmmc1_dat7",
252 OMAP_PIN_INPUT_PULLUP);
253 }
254 }
255 if (controller_nr == 1) {
256 /* MMC2 */
257 omap_mux_init_signal("sdmmc2_clk",
258 OMAP_PIN_INPUT_PULLUP);
259 omap_mux_init_signal("sdmmc2_cmd",
260 OMAP_PIN_INPUT_PULLUP);
261 omap_mux_init_signal("sdmmc2_dat0",
262 OMAP_PIN_INPUT_PULLUP);
263
264 /*
265 * For 8 wire configurations, Lines DAT4, 5, 6 and 7
266 * need to be muxed in the board-*.c files
267 */
268 if (mmc_controller->slots[0].caps &
269 (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) {
270 omap_mux_init_signal("sdmmc2_dat1",
271 OMAP_PIN_INPUT_PULLUP);
272 omap_mux_init_signal("sdmmc2_dat2",
273 OMAP_PIN_INPUT_PULLUP);
274 omap_mux_init_signal("sdmmc2_dat3",
275 OMAP_PIN_INPUT_PULLUP);
276 }
277 if (mmc_controller->slots[0].caps &
278 MMC_CAP_8_BIT_DATA) {
279 omap_mux_init_signal("sdmmc2_dat4.sdmmc2_dat4",
280 OMAP_PIN_INPUT_PULLUP);
281 omap_mux_init_signal("sdmmc2_dat5.sdmmc2_dat5",
282 OMAP_PIN_INPUT_PULLUP);
283 omap_mux_init_signal("sdmmc2_dat6.sdmmc2_dat6",
284 OMAP_PIN_INPUT_PULLUP);
285 omap_mux_init_signal("sdmmc2_dat7.sdmmc2_dat7",
286 OMAP_PIN_INPUT_PULLUP);
287 }
288 }
289
290 /*
291 * For MMC3 the pins need to be muxed in the board-*.c files
292 */
293 }
294 }
295
omap_hsmmc_pdata_init(struct omap2_hsmmc_info * c,struct omap_mmc_platform_data * mmc)296 static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
297 struct omap_mmc_platform_data *mmc)
298 {
299 char *hc_name;
300
301 hc_name = kzalloc(sizeof(char) * (HSMMC_NAME_LEN + 1), GFP_KERNEL);
302 if (!hc_name) {
303 pr_err("Cannot allocate memory for controller slot name\n");
304 kfree(hc_name);
305 return -ENOMEM;
306 }
307
308 if (c->name)
309 strncpy(hc_name, c->name, HSMMC_NAME_LEN);
310 else
311 snprintf(hc_name, (HSMMC_NAME_LEN + 1), "mmc%islot%i",
312 c->mmc, 1);
313 mmc->slots[0].name = hc_name;
314 mmc->nr_slots = 1;
315 mmc->slots[0].caps = c->caps;
316 mmc->slots[0].pm_caps = c->pm_caps;
317 mmc->slots[0].internal_clock = !c->ext_clock;
318 mmc->dma_mask = 0xffffffff;
319 mmc->max_freq = c->max_freq;
320 if (cpu_is_omap44xx())
321 mmc->reg_offset = OMAP4_MMC_REG_OFFSET;
322 else
323 mmc->reg_offset = 0;
324
325 mmc->get_context_loss_count = hsmmc_get_context_loss;
326
327 mmc->slots[0].switch_pin = c->gpio_cd;
328 mmc->slots[0].gpio_wp = c->gpio_wp;
329
330 mmc->slots[0].remux = c->remux;
331 mmc->slots[0].init_card = c->init_card;
332
333 if (c->cover_only)
334 mmc->slots[0].cover = 1;
335
336 if (c->nonremovable)
337 mmc->slots[0].nonremovable = 1;
338
339 if (c->power_saving)
340 mmc->slots[0].power_saving = 1;
341
342 if (c->no_off)
343 mmc->slots[0].no_off = 1;
344
345 if (c->no_off_init)
346 mmc->slots[0].no_regulator_off_init = c->no_off_init;
347
348 if (c->vcc_aux_disable_is_sleep)
349 mmc->slots[0].vcc_aux_disable_is_sleep = 1;
350
351 /*
352 * NOTE: MMC slots should have a Vcc regulator set up.
353 * This may be from a TWL4030-family chip, another
354 * controllable regulator, or a fixed supply.
355 *
356 * temporary HACK: ocr_mask instead of fixed supply
357 */
358 if (cpu_is_omap3505() || cpu_is_omap3517())
359 mmc->slots[0].ocr_mask = MMC_VDD_165_195 |
360 MMC_VDD_26_27 |
361 MMC_VDD_27_28 |
362 MMC_VDD_29_30 |
363 MMC_VDD_30_31 |
364 MMC_VDD_31_32;
365 else
366 mmc->slots[0].ocr_mask = c->ocr_mask;
367
368 if (!cpu_is_omap3517() && !cpu_is_omap3505())
369 mmc->slots[0].features |= HSMMC_HAS_PBIAS;
370
371 if (cpu_is_omap44xx() && (omap_rev() > OMAP4430_REV_ES1_0))
372 mmc->slots[0].features |= HSMMC_HAS_UPDATED_RESET;
373
374 switch (c->mmc) {
375 case 1:
376 if (mmc->slots[0].features & HSMMC_HAS_PBIAS) {
377 /* on-chip level shifting via PBIAS0/PBIAS1 */
378 if (cpu_is_omap44xx()) {
379 mmc->slots[0].before_set_reg =
380 omap4_hsmmc1_before_set_reg;
381 mmc->slots[0].after_set_reg =
382 omap4_hsmmc1_after_set_reg;
383 } else {
384 mmc->slots[0].before_set_reg =
385 omap_hsmmc1_before_set_reg;
386 mmc->slots[0].after_set_reg =
387 omap_hsmmc1_after_set_reg;
388 }
389 }
390
391 if (cpu_is_omap3517() || cpu_is_omap3505())
392 mmc->slots[0].set_power = nop_mmc_set_power;
393
394 /* OMAP3630 HSMMC1 supports only 4-bit */
395 if (cpu_is_omap3630() &&
396 (c->caps & MMC_CAP_8_BIT_DATA)) {
397 c->caps &= ~MMC_CAP_8_BIT_DATA;
398 c->caps |= MMC_CAP_4_BIT_DATA;
399 mmc->slots[0].caps = c->caps;
400 }
401 break;
402 case 2:
403 if (cpu_is_omap3517() || cpu_is_omap3505())
404 mmc->slots[0].set_power = am35x_hsmmc2_set_power;
405
406 if (c->ext_clock)
407 c->transceiver = 1;
408 if (c->transceiver && (c->caps & MMC_CAP_8_BIT_DATA)) {
409 c->caps &= ~MMC_CAP_8_BIT_DATA;
410 c->caps |= MMC_CAP_4_BIT_DATA;
411 }
412 if (mmc->slots[0].features & HSMMC_HAS_PBIAS) {
413 /* off-chip level shifting, or none */
414 mmc->slots[0].before_set_reg = hsmmc2_before_set_reg;
415 mmc->slots[0].after_set_reg = NULL;
416 }
417 break;
418 case 3:
419 case 4:
420 case 5:
421 mmc->slots[0].before_set_reg = NULL;
422 mmc->slots[0].after_set_reg = NULL;
423 break;
424 default:
425 pr_err("MMC%d configuration not supported!\n", c->mmc);
426 kfree(hc_name);
427 return -ENODEV;
428 }
429 return 0;
430 }
431
432 static int omap_hsmmc_done;
433
omap_hsmmc_late_init(struct omap2_hsmmc_info * c)434 void omap_hsmmc_late_init(struct omap2_hsmmc_info *c)
435 {
436 struct platform_device *pdev;
437 struct omap_mmc_platform_data *mmc_pdata;
438 int res;
439
440 if (omap_hsmmc_done != 1)
441 return;
442
443 omap_hsmmc_done++;
444
445 for (; c->mmc; c++) {
446 if (!c->deferred)
447 continue;
448
449 pdev = c->pdev;
450 if (!pdev)
451 continue;
452
453 mmc_pdata = pdev->dev.platform_data;
454 if (!mmc_pdata)
455 continue;
456
457 mmc_pdata->slots[0].switch_pin = c->gpio_cd;
458 mmc_pdata->slots[0].gpio_wp = c->gpio_wp;
459
460 res = omap_device_register(pdev);
461 if (res)
462 pr_err("Could not late init MMC %s\n",
463 c->name);
464 }
465 }
466
467 #define MAX_OMAP_MMC_HWMOD_NAME_LEN 16
468
omap_hsmmc_init_one(struct omap2_hsmmc_info * hsmmcinfo,int ctrl_nr)469 static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo,
470 int ctrl_nr)
471 {
472 struct omap_hwmod *oh;
473 struct omap_hwmod *ohs[1];
474 struct omap_device *od;
475 struct platform_device *pdev;
476 char oh_name[MAX_OMAP_MMC_HWMOD_NAME_LEN];
477 struct omap_mmc_platform_data *mmc_data;
478 struct omap_mmc_dev_attr *mmc_dev_attr;
479 char *name;
480 int res;
481
482 mmc_data = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL);
483 if (!mmc_data) {
484 pr_err("Cannot allocate memory for mmc device!\n");
485 return;
486 }
487
488 res = omap_hsmmc_pdata_init(hsmmcinfo, mmc_data);
489 if (res < 0)
490 goto free_mmc;
491
492 omap_hsmmc_mux(mmc_data, (ctrl_nr - 1));
493
494 name = "omap_hsmmc";
495 res = snprintf(oh_name, MAX_OMAP_MMC_HWMOD_NAME_LEN,
496 "mmc%d", ctrl_nr);
497 WARN(res >= MAX_OMAP_MMC_HWMOD_NAME_LEN,
498 "String buffer overflow in MMC%d device setup\n", ctrl_nr);
499
500 oh = omap_hwmod_lookup(oh_name);
501 if (!oh) {
502 pr_err("Could not look up %s\n", oh_name);
503 goto free_name;
504 }
505 ohs[0] = oh;
506 if (oh->dev_attr != NULL) {
507 mmc_dev_attr = oh->dev_attr;
508 mmc_data->controller_flags = mmc_dev_attr->flags;
509 /*
510 * erratum 2.1.1.128 doesn't apply if board has
511 * a transceiver is attached
512 */
513 if (hsmmcinfo->transceiver)
514 mmc_data->controller_flags &=
515 ~OMAP_HSMMC_BROKEN_MULTIBLOCK_READ;
516 }
517
518 pdev = platform_device_alloc(name, ctrl_nr - 1);
519 if (!pdev) {
520 pr_err("Could not allocate pdev for %s\n", name);
521 goto free_name;
522 }
523 dev_set_name(&pdev->dev, "%s.%d", pdev->name, pdev->id);
524
525 od = omap_device_alloc(pdev, ohs, 1, NULL, 0);
526 if (!od) {
527 pr_err("Could not allocate od for %s\n", name);
528 goto put_pdev;
529 }
530
531 res = platform_device_add_data(pdev, mmc_data,
532 sizeof(struct omap_mmc_platform_data));
533 if (res) {
534 pr_err("Could not add pdata for %s\n", name);
535 goto put_pdev;
536 }
537
538 hsmmcinfo->pdev = pdev;
539
540 if (hsmmcinfo->deferred)
541 goto free_mmc;
542
543 res = omap_device_register(pdev);
544 if (res) {
545 pr_err("Could not register od for %s\n", name);
546 goto free_od;
547 }
548
549 goto free_mmc;
550
551 free_od:
552 omap_device_delete(od);
553
554 put_pdev:
555 platform_device_put(pdev);
556
557 free_name:
558 kfree(mmc_data->slots[0].name);
559
560 free_mmc:
561 kfree(mmc_data);
562 }
563
omap_hsmmc_init(struct omap2_hsmmc_info * controllers)564 void __init omap_hsmmc_init(struct omap2_hsmmc_info *controllers)
565 {
566 u32 reg;
567
568 if (omap_hsmmc_done)
569 return;
570
571 omap_hsmmc_done = 1;
572
573 if (!cpu_is_omap44xx()) {
574 if (cpu_is_omap2430()) {
575 control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
576 control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1;
577 } else {
578 control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
579 control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1;
580 }
581 } else {
582 control_pbias_offset =
583 OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_PBIASLITE;
584 control_mmc1 = OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_MMC1;
585 reg = omap4_ctrl_pad_readl(control_mmc1);
586 reg |= (OMAP4_SDMMC1_PUSTRENGTH_GRP0_MASK |
587 OMAP4_SDMMC1_PUSTRENGTH_GRP1_MASK);
588 reg &= ~(OMAP4_SDMMC1_PUSTRENGTH_GRP2_MASK |
589 OMAP4_SDMMC1_PUSTRENGTH_GRP3_MASK);
590 reg |= (OMAP4_SDMMC1_DR0_SPEEDCTRL_MASK |
591 OMAP4_SDMMC1_DR1_SPEEDCTRL_MASK |
592 OMAP4_SDMMC1_DR2_SPEEDCTRL_MASK);
593 omap4_ctrl_pad_writel(reg, control_mmc1);
594 }
595
596 for (; controllers->mmc; controllers++)
597 omap_hsmmc_init_one(controllers, controllers->mmc);
598
599 }
600
601 #endif
602