blob: 7910a3e278da785c6b53b0819742112d98fd0de8 [file] [log] [blame]
Simon Glasse7ecf7c2015-06-23 15:38:48 -06001/*
2 * Copyright (C) 2015 Google, Inc
3 * Written by Simon Glass <sjg@chromium.org>
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8#include <common.h>
9#include <mmc.h>
10#include <dm.h>
Simon Glasseede8972016-06-12 23:30:16 -060011#include <dm/device-internal.h>
Simon Glasse7ecf7c2015-06-23 15:38:48 -060012#include <dm/lists.h>
Simon Glasseede8972016-06-12 23:30:16 -060013#include "mmc_private.h"
Simon Glasse7ecf7c2015-06-23 15:38:48 -060014
Jaehoon Chung02ad33a2017-02-02 13:41:14 +090015DECLARE_GLOBAL_DATA_PTR;
16
Simon Glass8ca51e52016-06-12 23:30:22 -060017int dm_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
18 struct mmc_data *data)
19{
20 struct mmc *mmc = mmc_get_mmc_dev(dev);
21 struct dm_mmc_ops *ops = mmc_get_ops(dev);
22 int ret;
23
24 mmmc_trace_before_send(mmc, cmd);
25 if (ops->send_cmd)
26 ret = ops->send_cmd(dev, cmd, data);
27 else
28 ret = -ENOSYS;
29 mmmc_trace_after_send(mmc, cmd, ret);
30
31 return ret;
32}
33
34int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
35{
36 return dm_mmc_send_cmd(mmc->dev, cmd, data);
37}
38
39int dm_mmc_set_ios(struct udevice *dev)
40{
41 struct dm_mmc_ops *ops = mmc_get_ops(dev);
42
43 if (!ops->set_ios)
44 return -ENOSYS;
45 return ops->set_ios(dev);
46}
47
48int mmc_set_ios(struct mmc *mmc)
49{
50 return dm_mmc_set_ios(mmc->dev);
51}
52
Jean-Jacques Hiblot318a7a52017-09-21 16:30:01 +020053void dm_mmc_send_init_stream(struct udevice *dev)
54{
55 struct dm_mmc_ops *ops = mmc_get_ops(dev);
56
57 if (ops->send_init_stream)
58 ops->send_init_stream(dev);
59}
60
61void mmc_send_init_stream(struct mmc *mmc)
62{
63 dm_mmc_send_init_stream(mmc->dev);
64}
65
Jean-Jacques Hiblotf99c2ef2017-11-30 17:44:01 +010066#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT)
Jean-Jacques Hiblotc10b85d2017-09-21 16:30:07 +020067int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout)
68{
69 struct dm_mmc_ops *ops = mmc_get_ops(dev);
70
71 if (!ops->wait_dat0)
72 return -ENOSYS;
73 return ops->wait_dat0(dev, state, timeout);
74}
75
76int mmc_wait_dat0(struct mmc *mmc, int state, int timeout)
77{
78 return dm_mmc_wait_dat0(mmc->dev, state, timeout);
79}
Jean-Jacques Hiblotf99c2ef2017-11-30 17:44:01 +010080#endif
Jean-Jacques Hiblotc10b85d2017-09-21 16:30:07 +020081
Simon Glass8ca51e52016-06-12 23:30:22 -060082int dm_mmc_get_wp(struct udevice *dev)
83{
84 struct dm_mmc_ops *ops = mmc_get_ops(dev);
85
86 if (!ops->get_wp)
87 return -ENOSYS;
88 return ops->get_wp(dev);
89}
90
91int mmc_getwp(struct mmc *mmc)
92{
93 return dm_mmc_get_wp(mmc->dev);
94}
95
96int dm_mmc_get_cd(struct udevice *dev)
97{
98 struct dm_mmc_ops *ops = mmc_get_ops(dev);
99
100 if (!ops->get_cd)
101 return -ENOSYS;
102 return ops->get_cd(dev);
103}
104
105int mmc_getcd(struct mmc *mmc)
106{
107 return dm_mmc_get_cd(mmc->dev);
108}
Simon Glass8ca51e52016-06-12 23:30:22 -0600109
Jean-Jacques Hiblotf99c2ef2017-11-30 17:44:01 +0100110#ifdef MMC_SUPPORTS_TUNING
Kishon Vijay Abraham Iec841202017-09-21 16:30:05 +0200111int dm_mmc_execute_tuning(struct udevice *dev, uint opcode)
112{
113 struct dm_mmc_ops *ops = mmc_get_ops(dev);
114
115 if (!ops->execute_tuning)
116 return -ENOSYS;
117 return ops->execute_tuning(dev, opcode);
118}
119
120int mmc_execute_tuning(struct mmc *mmc, uint opcode)
121{
122 return dm_mmc_execute_tuning(mmc->dev, opcode);
123}
Jean-Jacques Hiblotf99c2ef2017-11-30 17:44:01 +0100124#endif
Kishon Vijay Abraham Iec841202017-09-21 16:30:05 +0200125
Jean-Jacques Hiblot7abff2c2017-11-30 17:43:55 +0100126int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg)
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200127{
128 int val;
129
Jean-Jacques Hiblot7abff2c2017-11-30 17:43:55 +0100130 val = dev_read_u32_default(dev, "bus-width", 1);
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200131
132 switch (val) {
133 case 0x8:
134 cfg->host_caps |= MMC_MODE_8BIT;
135 /* fall through */
136 case 0x4:
137 cfg->host_caps |= MMC_MODE_4BIT;
138 /* fall through */
139 case 0x1:
140 cfg->host_caps |= MMC_MODE_1BIT;
141 break;
142 default:
Jean-Jacques Hiblot7abff2c2017-11-30 17:43:55 +0100143 debug("warning: %s invalid bus-width property. using 1-bit\n",
144 dev_read_name(dev));
145 cfg->host_caps |= MMC_MODE_1BIT;
146 break;
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200147 }
148
Masahiro Yamadac42ee362017-12-30 02:00:06 +0900149 /* f_max is obtained from the optional "max-frequency" property */
150 dev_read_u32(dev, "max-frequency", &cfg->f_max);
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200151
Jean-Jacques Hiblot7abff2c2017-11-30 17:43:55 +0100152 if (dev_read_bool(dev, "cap-sd-highspeed"))
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200153 cfg->host_caps |= MMC_CAP(SD_HS);
Jean-Jacques Hiblot7abff2c2017-11-30 17:43:55 +0100154 if (dev_read_bool(dev, "cap-mmc-highspeed"))
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200155 cfg->host_caps |= MMC_CAP(MMC_HS);
Jean-Jacques Hiblot7abff2c2017-11-30 17:43:55 +0100156 if (dev_read_bool(dev, "sd-uhs-sdr12"))
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200157 cfg->host_caps |= MMC_CAP(UHS_SDR12);
Jean-Jacques Hiblot7abff2c2017-11-30 17:43:55 +0100158 if (dev_read_bool(dev, "sd-uhs-sdr25"))
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200159 cfg->host_caps |= MMC_CAP(UHS_SDR25);
Jean-Jacques Hiblot7abff2c2017-11-30 17:43:55 +0100160 if (dev_read_bool(dev, "sd-uhs-sdr50"))
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200161 cfg->host_caps |= MMC_CAP(UHS_SDR50);
Jean-Jacques Hiblot7abff2c2017-11-30 17:43:55 +0100162 if (dev_read_bool(dev, "sd-uhs-sdr104"))
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200163 cfg->host_caps |= MMC_CAP(UHS_SDR104);
Jean-Jacques Hiblot7abff2c2017-11-30 17:43:55 +0100164 if (dev_read_bool(dev, "sd-uhs-ddr50"))
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200165 cfg->host_caps |= MMC_CAP(UHS_DDR50);
Jean-Jacques Hiblot7abff2c2017-11-30 17:43:55 +0100166 if (dev_read_bool(dev, "mmc-ddr-1_8v"))
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200167 cfg->host_caps |= MMC_CAP(MMC_DDR_52);
Jean-Jacques Hiblot7abff2c2017-11-30 17:43:55 +0100168 if (dev_read_bool(dev, "mmc-ddr-1_2v"))
169 cfg->host_caps |= MMC_CAP(MMC_DDR_52);
170 if (dev_read_bool(dev, "mmc-hs200-1_8v"))
171 cfg->host_caps |= MMC_CAP(MMC_HS_200);
172 if (dev_read_bool(dev, "mmc-hs200-1_2v"))
Kishon Vijay Abraham I9215ef52017-09-21 16:30:13 +0200173 cfg->host_caps |= MMC_CAP(MMC_HS_200);
174
175 return 0;
176}
177
Simon Glasse7ecf7c2015-06-23 15:38:48 -0600178struct mmc *mmc_get_mmc_dev(struct udevice *dev)
179{
180 struct mmc_uclass_priv *upriv;
181
182 if (!device_active(dev))
183 return NULL;
184 upriv = dev_get_uclass_priv(dev);
185 return upriv->mmc;
186}
187
Simon Glassc4d660d2017-07-04 13:31:19 -0600188#if CONFIG_IS_ENABLED(BLK)
Simon Glass8ef761e2016-05-01 13:52:39 -0600189struct mmc *find_mmc_device(int dev_num)
190{
191 struct udevice *dev, *mmc_dev;
192 int ret;
193
Simon Glass97525642017-05-27 11:37:19 -0600194 ret = blk_find_device(IF_TYPE_MMC, dev_num, &dev);
Simon Glass8ef761e2016-05-01 13:52:39 -0600195
196 if (ret) {
197#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
198 printf("MMC Device %d not found\n", dev_num);
199#endif
200 return NULL;
201 }
202
203 mmc_dev = dev_get_parent(dev);
204
Simon Glass97525642017-05-27 11:37:19 -0600205 struct mmc *mmc = mmc_get_mmc_dev(mmc_dev);
206
207 return mmc;
Simon Glass8ef761e2016-05-01 13:52:39 -0600208}
209
210int get_mmc_num(void)
211{
Kever Yang46683f32016-07-22 17:22:50 +0800212 return max((blk_find_max_devnum(IF_TYPE_MMC) + 1), 0);
Simon Glass8ef761e2016-05-01 13:52:39 -0600213}
214
215int mmc_get_next_devnum(void)
216{
Masahiro Yamadadd399cb2016-10-14 00:13:18 +0900217 return blk_find_max_devnum(IF_TYPE_MMC);
Simon Glass8ef761e2016-05-01 13:52:39 -0600218}
219
220struct blk_desc *mmc_get_blk_desc(struct mmc *mmc)
221{
222 struct blk_desc *desc;
223 struct udevice *dev;
224
225 device_find_first_child(mmc->dev, &dev);
226 if (!dev)
227 return NULL;
228 desc = dev_get_uclass_platdata(dev);
229
230 return desc;
231}
232
233void mmc_do_preinit(void)
234{
235 struct udevice *dev;
236 struct uclass *uc;
237 int ret;
238
239 ret = uclass_get(UCLASS_MMC, &uc);
240 if (ret)
241 return;
242 uclass_foreach_dev(dev, uc) {
243 struct mmc *m = mmc_get_mmc_dev(dev);
244
245 if (!m)
246 continue;
247#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
248 mmc_set_preinit(m, 1);
249#endif
250 if (m->preinit)
251 mmc_start_init(m);
252 }
253}
254
255#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
256void print_mmc_devices(char separator)
257{
258 struct udevice *dev;
259 char *mmc_type;
260 bool first = true;
261
262 for (uclass_first_device(UCLASS_MMC, &dev);
263 dev;
Xu Ziyuan1bd4f922016-07-23 11:11:22 +0800264 uclass_next_device(&dev), first = false) {
Simon Glass8ef761e2016-05-01 13:52:39 -0600265 struct mmc *m = mmc_get_mmc_dev(dev);
266
267 if (!first) {
268 printf("%c", separator);
269 if (separator != '\n')
270 puts(" ");
271 }
272 if (m->has_init)
273 mmc_type = IS_SD(m) ? "SD" : "eMMC";
274 else
275 mmc_type = NULL;
276
277 printf("%s: %d", m->cfg->name, mmc_get_blk_desc(m)->devnum);
278 if (mmc_type)
279 printf(" (%s)", mmc_type);
280 }
281
282 printf("\n");
283}
284
285#else
286void print_mmc_devices(char separator) { }
287#endif
Simon Glasseede8972016-06-12 23:30:16 -0600288
289int mmc_bind(struct udevice *dev, struct mmc *mmc, const struct mmc_config *cfg)
290{
291 struct blk_desc *bdesc;
292 struct udevice *bdev;
Jaehoon Chung02ad33a2017-02-02 13:41:14 +0900293 int ret, devnum = -1;
Simon Glasseede8972016-06-12 23:30:16 -0600294
Simon Glass66656022017-04-23 20:02:09 -0600295 if (!mmc_get_ops(dev))
296 return -ENOSYS;
Jaehoon Chung02ad33a2017-02-02 13:41:14 +0900297#ifndef CONFIG_SPL_BUILD
298 /* Use the fixed index with aliase node's index */
Simon Glass66e0ed52017-05-18 20:09:36 -0600299 ret = dev_read_alias_seq(dev, &devnum);
300 debug("%s: alias ret=%d, devnum=%d\n", __func__, ret, devnum);
Jaehoon Chung02ad33a2017-02-02 13:41:14 +0900301#endif
302
303 ret = blk_create_devicef(dev, "mmc_blk", "blk", IF_TYPE_MMC,
304 devnum, 512, 0, &bdev);
Simon Glasseede8972016-06-12 23:30:16 -0600305 if (ret) {
306 debug("Cannot create block device\n");
307 return ret;
308 }
309 bdesc = dev_get_uclass_platdata(bdev);
310 mmc->cfg = cfg;
311 mmc->priv = dev;
312
313 /* the following chunk was from mmc_register() */
314
315 /* Setup dsr related values */
316 mmc->dsr_imp = 0;
317 mmc->dsr = 0xffffffff;
318 /* Setup the universal parts of the block interface just once */
319 bdesc->removable = 1;
320
321 /* setup initial part type */
322 bdesc->part_type = cfg->part_type;
323 mmc->dev = dev;
324
325 return 0;
326}
327
328int mmc_unbind(struct udevice *dev)
329{
330 struct udevice *bdev;
331
332 device_find_first_child(dev, &bdev);
333 if (bdev) {
Stefan Roese706865a2017-03-20 12:51:48 +0100334 device_remove(bdev, DM_REMOVE_NORMAL);
Simon Glasseede8972016-06-12 23:30:16 -0600335 device_unbind(bdev);
336 }
337
338 return 0;
339}
340
341static int mmc_select_hwpart(struct udevice *bdev, int hwpart)
342{
343 struct udevice *mmc_dev = dev_get_parent(bdev);
344 struct mmc *mmc = mmc_get_mmc_dev(mmc_dev);
345 struct blk_desc *desc = dev_get_uclass_platdata(bdev);
Simon Glasseede8972016-06-12 23:30:16 -0600346
347 if (desc->hwpart == hwpart)
348 return 0;
349
350 if (mmc->part_config == MMCPART_NOAVAILABLE)
351 return -EMEDIUMTYPE;
352
Masahiro Yamadadd399cb2016-10-14 00:13:18 +0900353 return mmc_switch_part(mmc, hwpart);
Simon Glasseede8972016-06-12 23:30:16 -0600354}
355
Fiach Antawa0269bb2017-01-25 19:00:24 +1000356static int mmc_blk_probe(struct udevice *dev)
357{
Simon Glass854f9a72017-04-23 20:02:10 -0600358 struct udevice *mmc_dev = dev_get_parent(dev);
359 struct mmc_uclass_priv *upriv = dev_get_uclass_priv(mmc_dev);
360 struct mmc *mmc = upriv->mmc;
361 int ret;
Fiach Antawa0269bb2017-01-25 19:00:24 +1000362
Simon Glass854f9a72017-04-23 20:02:10 -0600363 ret = mmc_init(mmc);
364 if (ret) {
365 debug("%s: mmc_init() failed (err=%d)\n", __func__, ret);
366 return ret;
367 }
368
369 return 0;
Fiach Antawa0269bb2017-01-25 19:00:24 +1000370}
371
Simon Glasseede8972016-06-12 23:30:16 -0600372static const struct blk_ops mmc_blk_ops = {
373 .read = mmc_bread,
Jean-Jacques Hiblotd6400c32018-01-04 15:23:32 +0100374#if CONFIG_IS_ENABLED(MMC_WRITE)
Simon Glasseede8972016-06-12 23:30:16 -0600375 .write = mmc_bwrite,
Simon Glass561e6242016-10-01 14:43:17 -0600376 .erase = mmc_berase,
Simon Glasseede8972016-06-12 23:30:16 -0600377#endif
378 .select_hwpart = mmc_select_hwpart,
379};
380
381U_BOOT_DRIVER(mmc_blk) = {
382 .name = "mmc_blk",
383 .id = UCLASS_BLK,
384 .ops = &mmc_blk_ops,
Fiach Antawa0269bb2017-01-25 19:00:24 +1000385 .probe = mmc_blk_probe,
Simon Glasseede8972016-06-12 23:30:16 -0600386};
Simon Glass8ef761e2016-05-01 13:52:39 -0600387#endif /* CONFIG_BLK */
388
Simon Glasse7ecf7c2015-06-23 15:38:48 -0600389U_BOOT_DRIVER(mmc) = {
390 .name = "mmc",
391 .id = UCLASS_MMC,
392};
393
394UCLASS_DRIVER(mmc) = {
395 .id = UCLASS_MMC,
396 .name = "mmc",
397 .flags = DM_UC_FLAG_SEQ_ALIAS,
398 .per_device_auto_alloc_size = sizeof(struct mmc_uclass_priv),
399};