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90c62bf0 | 1 | /* |
d02a900b | 2 | * linux/arch/arm/mach-omap2/hsmmc.c |
90c62bf0 TL |
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 | */ | |
db0fefc5 AH |
12 | #include <linux/kernel.h> |
13 | #include <linux/slab.h> | |
14 | #include <linux/string.h> | |
90c62bf0 | 15 | #include <linux/delay.h> |
90c62bf0 | 16 | #include <mach/hardware.h> |
ce491cf8 | 17 | #include <plat/mmc.h> |
e3df0fb4 | 18 | #include <plat/omap-pm.h> |
d8d0a61c | 19 | #include <plat/mux.h> |
4621d5f8 | 20 | #include <plat/omap_device.h> |
90c62bf0 | 21 | |
d8d0a61c | 22 | #include "mux.h" |
d02a900b | 23 | #include "hsmmc.h" |
4814ced5 | 24 | #include "control.h" |
90c62bf0 | 25 | |
db0fefc5 | 26 | #if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) |
90c62bf0 TL |
27 | |
28 | static u16 control_pbias_offset; | |
29 | static u16 control_devconf1_offset; | |
c83c8e6c | 30 | static u16 control_mmc1; |
90c62bf0 TL |
31 | |
32 | #define HSMMC_NAME_LEN 9 | |
33 | ||
1887bde3 DK |
34 | #if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM) |
35 | ||
68ff0423 | 36 | static int hsmmc_get_context_loss(struct device *dev) |
1887bde3 | 37 | { |
e3df0fb4 | 38 | return omap_pm_get_dev_context_loss_count(dev); |
1887bde3 DK |
39 | } |
40 | ||
41 | #else | |
68ff0423 | 42 | #define hsmmc_get_context_loss NULL |
1887bde3 DK |
43 | #endif |
44 | ||
c83c8e6c | 45 | static void omap_hsmmc1_before_set_reg(struct device *dev, int slot, |
db0fefc5 | 46 | int power_on, int vdd) |
90c62bf0 | 47 | { |
555d503f | 48 | u32 reg, prog_io; |
90c62bf0 TL |
49 | struct omap_mmc_platform_data *mmc = dev->platform_data; |
50 | ||
ce6f0016 AH |
51 | if (mmc->slots[0].remux) |
52 | mmc->slots[0].remux(dev, slot, power_on); | |
53 | ||
0329c377 DB |
54 | /* |
55 | * Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the | |
b583f26d | 56 | * card with Vcc regulator (from twl4030 or whatever). OMAP has both |
0329c377 DB |
57 | * 1.8V and 3.0V modes, controlled by the PBIAS register. |
58 | * | |
59 | * In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which | |
60 | * is most naturally TWL VSIM; those pins also use PBIAS. | |
b583f26d DB |
61 | * |
62 | * FIXME handle VMMC1A as needed ... | |
0329c377 | 63 | */ |
90c62bf0 TL |
64 | if (power_on) { |
65 | if (cpu_is_omap2430()) { | |
66 | reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1); | |
67 | if ((1 << vdd) >= MMC_VDD_30_31) | |
68 | reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE; | |
69 | else | |
70 | reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE; | |
71 | omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1); | |
72 | } | |
73 | ||
74 | if (mmc->slots[0].internal_clock) { | |
75 | reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); | |
76 | reg |= OMAP2_MMCSDIO1ADPCLKISEL; | |
77 | omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0); | |
78 | } | |
79 | ||
80 | reg = omap_ctrl_readl(control_pbias_offset); | |
555d503f M |
81 | if (cpu_is_omap3630()) { |
82 | /* Set MMC I/O to 52Mhz */ | |
83 | prog_io = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1); | |
84 | prog_io |= OMAP3630_PRG_SDMMC1_SPEEDCTRL; | |
85 | omap_ctrl_writel(prog_io, OMAP343X_CONTROL_PROG_IO1); | |
86 | } else { | |
87 | reg |= OMAP2_PBIASSPEEDCTRL0; | |
88 | } | |
90c62bf0 TL |
89 | reg &= ~OMAP2_PBIASLITEPWRDNZ0; |
90 | omap_ctrl_writel(reg, control_pbias_offset); | |
db0fefc5 AH |
91 | } else { |
92 | reg = omap_ctrl_readl(control_pbias_offset); | |
93 | reg &= ~OMAP2_PBIASLITEPWRDNZ0; | |
94 | omap_ctrl_writel(reg, control_pbias_offset); | |
95 | } | |
96 | } | |
97 | ||
c83c8e6c | 98 | static void omap_hsmmc1_after_set_reg(struct device *dev, int slot, |
db0fefc5 AH |
99 | int power_on, int vdd) |
100 | { | |
101 | u32 reg; | |
90c62bf0 | 102 | |
db0fefc5 AH |
103 | /* 100ms delay required for PBIAS configuration */ |
104 | msleep(100); | |
90c62bf0 | 105 | |
db0fefc5 | 106 | if (power_on) { |
90c62bf0 TL |
107 | reg = omap_ctrl_readl(control_pbias_offset); |
108 | reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0); | |
109 | if ((1 << vdd) <= MMC_VDD_165_195) | |
110 | reg &= ~OMAP2_PBIASLITEVMODE0; | |
111 | else | |
112 | reg |= OMAP2_PBIASLITEVMODE0; | |
113 | omap_ctrl_writel(reg, control_pbias_offset); | |
114 | } else { | |
90c62bf0 TL |
115 | reg = omap_ctrl_readl(control_pbias_offset); |
116 | reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 | | |
117 | OMAP2_PBIASLITEVMODE0); | |
118 | omap_ctrl_writel(reg, control_pbias_offset); | |
119 | } | |
90c62bf0 TL |
120 | } |
121 | ||
c83c8e6c | 122 | static void omap4_hsmmc1_before_set_reg(struct device *dev, int slot, |
123 | int power_on, int vdd) | |
124 | { | |
125 | u32 reg; | |
126 | ||
127 | /* | |
128 | * Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the | |
129 | * card with Vcc regulator (from twl4030 or whatever). OMAP has both | |
130 | * 1.8V and 3.0V modes, controlled by the PBIAS register. | |
131 | * | |
132 | * In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which | |
133 | * is most naturally TWL VSIM; those pins also use PBIAS. | |
134 | * | |
135 | * FIXME handle VMMC1A as needed ... | |
136 | */ | |
dcf5ef3f SS |
137 | reg = omap4_ctrl_pad_readl(control_pbias_offset); |
138 | reg &= ~(OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK | | |
139 | OMAP4_MMC1_PWRDNZ_MASK | | |
140 | OMAP4_USBC1_ICUSB_PWRDNZ_MASK); | |
141 | omap4_ctrl_pad_writel(reg, control_pbias_offset); | |
c83c8e6c | 142 | } |
143 | ||
144 | static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot, | |
145 | int power_on, int vdd) | |
146 | { | |
147 | u32 reg; | |
148 | ||
149 | if (power_on) { | |
dcf5ef3f SS |
150 | reg = omap4_ctrl_pad_readl(control_pbias_offset); |
151 | reg |= OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK; | |
c83c8e6c | 152 | if ((1 << vdd) <= MMC_VDD_165_195) |
dcf5ef3f | 153 | reg &= ~OMAP4_MMC1_PBIASLITE_VMODE_MASK; |
c83c8e6c | 154 | else |
dcf5ef3f SS |
155 | reg |= OMAP4_MMC1_PBIASLITE_VMODE_MASK; |
156 | reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK | | |
157 | OMAP4_MMC1_PWRDNZ_MASK | | |
158 | OMAP4_USBC1_ICUSB_PWRDNZ_MASK); | |
159 | omap4_ctrl_pad_writel(reg, control_pbias_offset); | |
c83c8e6c | 160 | /* 4 microsec delay for comparator to generate an error*/ |
161 | udelay(4); | |
dcf5ef3f SS |
162 | reg = omap4_ctrl_pad_readl(control_pbias_offset); |
163 | if (reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK) { | |
c83c8e6c | 164 | pr_err("Pbias Voltage is not same as LDO\n"); |
165 | /* Caution : On VMODE_ERROR Power Down MMC IO */ | |
dcf5ef3f SS |
166 | reg &= ~(OMAP4_MMC1_PWRDNZ_MASK | |
167 | OMAP4_USBC1_ICUSB_PWRDNZ_MASK); | |
168 | omap4_ctrl_pad_writel(reg, control_pbias_offset); | |
c83c8e6c | 169 | } |
170 | } else { | |
dcf5ef3f SS |
171 | reg = omap4_ctrl_pad_readl(control_pbias_offset); |
172 | reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK | | |
173 | OMAP4_MMC1_PWRDNZ_MASK | | |
174 | OMAP4_MMC1_PBIASLITE_VMODE_MASK | | |
175 | OMAP4_USBC1_ICUSB_PWRDNZ_MASK); | |
176 | omap4_ctrl_pad_writel(reg, control_pbias_offset); | |
c83c8e6c | 177 | } |
178 | } | |
179 | ||
db0fefc5 AH |
180 | static void hsmmc23_before_set_reg(struct device *dev, int slot, |
181 | int power_on, int vdd) | |
90c62bf0 | 182 | { |
90c62bf0 | 183 | struct omap_mmc_platform_data *mmc = dev->platform_data; |
b583f26d | 184 | |
ce6f0016 AH |
185 | if (mmc->slots[0].remux) |
186 | mmc->slots[0].remux(dev, slot, power_on); | |
187 | ||
90c62bf0 | 188 | if (power_on) { |
db0fefc5 | 189 | /* Only MMC2 supports a CLKIN */ |
90c62bf0 TL |
190 | if (mmc->slots[0].internal_clock) { |
191 | u32 reg; | |
192 | ||
193 | reg = omap_ctrl_readl(control_devconf1_offset); | |
194 | reg |= OMAP2_MMCSDIO2ADPCLKISEL; | |
195 | omap_ctrl_writel(reg, control_devconf1_offset); | |
196 | } | |
9b7c18e0 | 197 | } |
9b7c18e0 AH |
198 | } |
199 | ||
03e7e170 | 200 | static int nop_mmc_set_power(struct device *dev, int slot, int power_on, |
201 | int vdd) | |
202 | { | |
203 | return 0; | |
204 | } | |
205 | ||
d8d0a61c KK |
206 | static inline void omap_hsmmc_mux(struct omap_mmc_platform_data *mmc_controller, |
207 | int controller_nr) | |
208 | { | |
209 | if ((mmc_controller->slots[0].switch_pin > 0) && \ | |
210 | (mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES)) | |
211 | omap_mux_init_gpio(mmc_controller->slots[0].switch_pin, | |
212 | OMAP_PIN_INPUT_PULLUP); | |
213 | if ((mmc_controller->slots[0].gpio_wp > 0) && \ | |
214 | (mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES)) | |
215 | omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp, | |
216 | OMAP_PIN_INPUT_PULLUP); | |
217 | if (cpu_is_omap34xx()) { | |
218 | if (controller_nr == 0) { | |
219 | omap_mux_init_signal("sdmmc1_clk", | |
220 | OMAP_PIN_INPUT_PULLUP); | |
221 | omap_mux_init_signal("sdmmc1_cmd", | |
222 | OMAP_PIN_INPUT_PULLUP); | |
223 | omap_mux_init_signal("sdmmc1_dat0", | |
224 | OMAP_PIN_INPUT_PULLUP); | |
225 | if (mmc_controller->slots[0].caps & | |
226 | (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) { | |
227 | omap_mux_init_signal("sdmmc1_dat1", | |
228 | OMAP_PIN_INPUT_PULLUP); | |
229 | omap_mux_init_signal("sdmmc1_dat2", | |
230 | OMAP_PIN_INPUT_PULLUP); | |
231 | omap_mux_init_signal("sdmmc1_dat3", | |
232 | OMAP_PIN_INPUT_PULLUP); | |
233 | } | |
234 | if (mmc_controller->slots[0].caps & | |
235 | MMC_CAP_8_BIT_DATA) { | |
236 | omap_mux_init_signal("sdmmc1_dat4", | |
237 | OMAP_PIN_INPUT_PULLUP); | |
238 | omap_mux_init_signal("sdmmc1_dat5", | |
239 | OMAP_PIN_INPUT_PULLUP); | |
240 | omap_mux_init_signal("sdmmc1_dat6", | |
241 | OMAP_PIN_INPUT_PULLUP); | |
242 | omap_mux_init_signal("sdmmc1_dat7", | |
243 | OMAP_PIN_INPUT_PULLUP); | |
244 | } | |
245 | } | |
246 | if (controller_nr == 1) { | |
247 | /* MMC2 */ | |
248 | omap_mux_init_signal("sdmmc2_clk", | |
249 | OMAP_PIN_INPUT_PULLUP); | |
250 | omap_mux_init_signal("sdmmc2_cmd", | |
251 | OMAP_PIN_INPUT_PULLUP); | |
252 | omap_mux_init_signal("sdmmc2_dat0", | |
253 | OMAP_PIN_INPUT_PULLUP); | |
254 | ||
255 | /* | |
256 | * For 8 wire configurations, Lines DAT4, 5, 6 and 7 | |
257 | * need to be muxed in the board-*.c files | |
258 | */ | |
259 | if (mmc_controller->slots[0].caps & | |
260 | (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) { | |
261 | omap_mux_init_signal("sdmmc2_dat1", | |
262 | OMAP_PIN_INPUT_PULLUP); | |
263 | omap_mux_init_signal("sdmmc2_dat2", | |
264 | OMAP_PIN_INPUT_PULLUP); | |
265 | omap_mux_init_signal("sdmmc2_dat3", | |
266 | OMAP_PIN_INPUT_PULLUP); | |
267 | } | |
268 | if (mmc_controller->slots[0].caps & | |
269 | MMC_CAP_8_BIT_DATA) { | |
270 | omap_mux_init_signal("sdmmc2_dat4.sdmmc2_dat4", | |
271 | OMAP_PIN_INPUT_PULLUP); | |
272 | omap_mux_init_signal("sdmmc2_dat5.sdmmc2_dat5", | |
273 | OMAP_PIN_INPUT_PULLUP); | |
274 | omap_mux_init_signal("sdmmc2_dat6.sdmmc2_dat6", | |
275 | OMAP_PIN_INPUT_PULLUP); | |
276 | omap_mux_init_signal("sdmmc2_dat7.sdmmc2_dat7", | |
277 | OMAP_PIN_INPUT_PULLUP); | |
278 | } | |
279 | } | |
280 | ||
281 | /* | |
282 | * For MMC3 the pins need to be muxed in the board-*.c files | |
283 | */ | |
284 | } | |
285 | } | |
286 | ||
4621d5f8 KK |
287 | static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, |
288 | struct omap_mmc_platform_data *mmc) | |
289 | { | |
290 | char *hc_name; | |
291 | ||
292 | hc_name = kzalloc(sizeof(char) * (HSMMC_NAME_LEN + 1), GFP_KERNEL); | |
293 | if (!hc_name) { | |
294 | pr_err("Cannot allocate memory for controller slot name\n"); | |
295 | kfree(hc_name); | |
296 | return -ENOMEM; | |
297 | } | |
298 | ||
299 | if (c->name) | |
300 | strncpy(hc_name, c->name, HSMMC_NAME_LEN); | |
301 | else | |
302 | snprintf(hc_name, (HSMMC_NAME_LEN + 1), "mmc%islot%i", | |
303 | c->mmc, 1); | |
304 | mmc->slots[0].name = hc_name; | |
305 | mmc->nr_slots = 1; | |
306 | mmc->slots[0].caps = c->caps; | |
307 | mmc->slots[0].internal_clock = !c->ext_clock; | |
308 | mmc->dma_mask = 0xffffffff; | |
309 | if (cpu_is_omap44xx()) | |
310 | mmc->reg_offset = OMAP4_MMC_REG_OFFSET; | |
311 | else | |
312 | mmc->reg_offset = 0; | |
313 | ||
314 | mmc->get_context_loss_count = hsmmc_get_context_loss; | |
315 | ||
316 | mmc->slots[0].switch_pin = c->gpio_cd; | |
317 | mmc->slots[0].gpio_wp = c->gpio_wp; | |
318 | ||
319 | mmc->slots[0].remux = c->remux; | |
320 | mmc->slots[0].init_card = c->init_card; | |
321 | ||
322 | if (c->cover_only) | |
323 | mmc->slots[0].cover = 1; | |
324 | ||
325 | if (c->nonremovable) | |
326 | mmc->slots[0].nonremovable = 1; | |
327 | ||
328 | if (c->power_saving) | |
329 | mmc->slots[0].power_saving = 1; | |
330 | ||
331 | if (c->no_off) | |
332 | mmc->slots[0].no_off = 1; | |
333 | ||
334 | if (c->vcc_aux_disable_is_sleep) | |
335 | mmc->slots[0].vcc_aux_disable_is_sleep = 1; | |
336 | ||
337 | /* | |
338 | * NOTE: MMC slots should have a Vcc regulator set up. | |
339 | * This may be from a TWL4030-family chip, another | |
340 | * controllable regulator, or a fixed supply. | |
341 | * | |
342 | * temporary HACK: ocr_mask instead of fixed supply | |
343 | */ | |
344 | mmc->slots[0].ocr_mask = c->ocr_mask; | |
345 | ||
346 | if (cpu_is_omap3517() || cpu_is_omap3505()) | |
347 | mmc->slots[0].set_power = nop_mmc_set_power; | |
348 | else | |
349 | mmc->slots[0].features |= HSMMC_HAS_PBIAS; | |
350 | ||
351 | if (cpu_is_omap44xx() && (omap_rev() > OMAP4430_REV_ES1_0)) | |
352 | mmc->slots[0].features |= HSMMC_HAS_UPDATED_RESET; | |
353 | ||
354 | switch (c->mmc) { | |
355 | case 1: | |
356 | if (mmc->slots[0].features & HSMMC_HAS_PBIAS) { | |
357 | /* on-chip level shifting via PBIAS0/PBIAS1 */ | |
358 | if (cpu_is_omap44xx()) { | |
359 | mmc->slots[0].before_set_reg = | |
360 | omap4_hsmmc1_before_set_reg; | |
361 | mmc->slots[0].after_set_reg = | |
362 | omap4_hsmmc1_after_set_reg; | |
363 | } else { | |
364 | mmc->slots[0].before_set_reg = | |
365 | omap_hsmmc1_before_set_reg; | |
366 | mmc->slots[0].after_set_reg = | |
367 | omap_hsmmc1_after_set_reg; | |
368 | } | |
369 | } | |
370 | ||
371 | /* OMAP3630 HSMMC1 supports only 4-bit */ | |
372 | if (cpu_is_omap3630() && | |
373 | (c->caps & MMC_CAP_8_BIT_DATA)) { | |
374 | c->caps &= ~MMC_CAP_8_BIT_DATA; | |
375 | c->caps |= MMC_CAP_4_BIT_DATA; | |
376 | mmc->slots[0].caps = c->caps; | |
377 | } | |
378 | break; | |
379 | case 2: | |
380 | if (c->ext_clock) | |
381 | c->transceiver = 1; | |
382 | if (c->transceiver && (c->caps & MMC_CAP_8_BIT_DATA)) { | |
383 | c->caps &= ~MMC_CAP_8_BIT_DATA; | |
384 | c->caps |= MMC_CAP_4_BIT_DATA; | |
385 | } | |
386 | /* FALLTHROUGH */ | |
387 | case 3: | |
388 | if (mmc->slots[0].features & HSMMC_HAS_PBIAS) { | |
389 | /* off-chip level shifting, or none */ | |
390 | mmc->slots[0].before_set_reg = hsmmc23_before_set_reg; | |
391 | mmc->slots[0].after_set_reg = NULL; | |
392 | } | |
393 | break; | |
394 | case 4: | |
395 | case 5: | |
396 | mmc->slots[0].before_set_reg = NULL; | |
397 | mmc->slots[0].after_set_reg = NULL; | |
398 | break; | |
399 | default: | |
400 | pr_err("MMC%d configuration not supported!\n", c->mmc); | |
401 | kfree(hc_name); | |
402 | return -ENODEV; | |
403 | } | |
404 | return 0; | |
405 | } | |
406 | ||
407 | static struct omap_device_pm_latency omap_hsmmc_latency[] = { | |
408 | [0] = { | |
409 | .deactivate_func = omap_device_idle_hwmods, | |
410 | .activate_func = omap_device_enable_hwmods, | |
411 | .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, | |
412 | }, | |
413 | /* | |
414 | * XXX There should also be an entry here to power off/on the | |
415 | * MMC regulators/PBIAS cells, etc. | |
416 | */ | |
417 | }; | |
418 | ||
419 | #define MAX_OMAP_MMC_HWMOD_NAME_LEN 16 | |
420 | ||
421 | void __init omap_init_hsmmc(struct omap2_hsmmc_info *hsmmcinfo, int ctrl_nr) | |
422 | { | |
423 | struct omap_hwmod *oh; | |
424 | struct omap_device *od; | |
425 | struct omap_device_pm_latency *ohl; | |
426 | char oh_name[MAX_OMAP_MMC_HWMOD_NAME_LEN]; | |
427 | struct omap_mmc_platform_data *mmc_data; | |
428 | struct omap_mmc_dev_attr *mmc_dev_attr; | |
429 | char *name; | |
430 | int l; | |
431 | int ohl_cnt = 0; | |
432 | ||
433 | mmc_data = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL); | |
434 | if (!mmc_data) { | |
435 | pr_err("Cannot allocate memory for mmc device!\n"); | |
436 | goto done; | |
437 | } | |
438 | ||
439 | if (omap_hsmmc_pdata_init(hsmmcinfo, mmc_data) < 0) { | |
440 | pr_err("%s fails!\n", __func__); | |
441 | goto done; | |
442 | } | |
443 | omap_hsmmc_mux(mmc_data, (ctrl_nr - 1)); | |
444 | ||
0005ae73 | 445 | name = "omap_hsmmc"; |
4621d5f8 KK |
446 | ohl = omap_hsmmc_latency; |
447 | ohl_cnt = ARRAY_SIZE(omap_hsmmc_latency); | |
448 | ||
449 | l = snprintf(oh_name, MAX_OMAP_MMC_HWMOD_NAME_LEN, | |
450 | "mmc%d", ctrl_nr); | |
451 | WARN(l >= MAX_OMAP_MMC_HWMOD_NAME_LEN, | |
452 | "String buffer overflow in MMC%d device setup\n", ctrl_nr); | |
453 | oh = omap_hwmod_lookup(oh_name); | |
454 | if (!oh) { | |
455 | pr_err("Could not look up %s\n", oh_name); | |
456 | kfree(mmc_data->slots[0].name); | |
457 | goto done; | |
458 | } | |
459 | ||
460 | if (oh->dev_attr != NULL) { | |
461 | mmc_dev_attr = oh->dev_attr; | |
462 | mmc_data->controller_flags = mmc_dev_attr->flags; | |
463 | } | |
464 | ||
465 | od = omap_device_build(name, ctrl_nr - 1, oh, mmc_data, | |
466 | sizeof(struct omap_mmc_platform_data), ohl, ohl_cnt, false); | |
467 | if (IS_ERR(od)) { | |
25985edc | 468 | WARN(1, "Can't build omap_device for %s:%s.\n", name, oh->name); |
4621d5f8 KK |
469 | kfree(mmc_data->slots[0].name); |
470 | goto done; | |
471 | } | |
472 | /* | |
473 | * return device handle to board setup code | |
474 | * required to populate for regulator framework structure | |
475 | */ | |
476 | hsmmcinfo->dev = &od->pdev.dev; | |
477 | ||
478 | done: | |
479 | kfree(mmc_data); | |
480 | } | |
90c62bf0 | 481 | |
68ff0423 | 482 | void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers) |
90c62bf0 | 483 | { |
c83c8e6c | 484 | u32 reg; |
90c62bf0 | 485 | |
c83c8e6c | 486 | if (!cpu_is_omap44xx()) { |
487 | if (cpu_is_omap2430()) { | |
488 | control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE; | |
489 | control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1; | |
490 | } else { | |
491 | control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE; | |
492 | control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1; | |
493 | } | |
90c62bf0 | 494 | } else { |
dcf5ef3f SS |
495 | control_pbias_offset = |
496 | OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_PBIASLITE; | |
497 | control_mmc1 = OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_MMC1; | |
498 | reg = omap4_ctrl_pad_readl(control_mmc1); | |
499 | reg |= (OMAP4_SDMMC1_PUSTRENGTH_GRP0_MASK | | |
500 | OMAP4_SDMMC1_PUSTRENGTH_GRP1_MASK); | |
501 | reg &= ~(OMAP4_SDMMC1_PUSTRENGTH_GRP2_MASK | | |
502 | OMAP4_SDMMC1_PUSTRENGTH_GRP3_MASK); | |
503 | reg |= (OMAP4_USBC1_DR0_SPEEDCTRL_MASK| | |
504 | OMAP4_SDMMC1_DR1_SPEEDCTRL_MASK | | |
505 | OMAP4_SDMMC1_DR2_SPEEDCTRL_MASK); | |
506 | omap4_ctrl_pad_writel(reg, control_mmc1); | |
90c62bf0 TL |
507 | } |
508 | ||
4621d5f8 KK |
509 | for (; controllers->mmc; controllers++) |
510 | omap_init_hsmmc(controllers, controllers->mmc); | |
01971f65 | 511 | |
90c62bf0 TL |
512 | } |
513 | ||
514 | #endif |