1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
10 #include <dm/device-internal.h>
12 #include "mmc_private.h"
14 int dm_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
15 struct mmc_data *data)
17 struct mmc *mmc = mmc_get_mmc_dev(dev);
18 struct dm_mmc_ops *ops = mmc_get_ops(dev);
21 mmmc_trace_before_send(mmc, cmd);
23 ret = ops->send_cmd(dev, cmd, data);
26 mmmc_trace_after_send(mmc, cmd, ret);
31 int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
33 return dm_mmc_send_cmd(mmc->dev, cmd, data);
36 int dm_mmc_set_ios(struct udevice *dev)
38 struct dm_mmc_ops *ops = mmc_get_ops(dev);
42 return ops->set_ios(dev);
45 int mmc_set_ios(struct mmc *mmc)
47 return dm_mmc_set_ios(mmc->dev);
50 void dm_mmc_send_init_stream(struct udevice *dev)
52 struct dm_mmc_ops *ops = mmc_get_ops(dev);
54 if (ops->send_init_stream)
55 ops->send_init_stream(dev);
58 void mmc_send_init_stream(struct mmc *mmc)
60 dm_mmc_send_init_stream(mmc->dev);
63 #if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT)
64 int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout)
66 struct dm_mmc_ops *ops = mmc_get_ops(dev);
70 return ops->wait_dat0(dev, state, timeout);
73 int mmc_wait_dat0(struct mmc *mmc, int state, int timeout)
75 return dm_mmc_wait_dat0(mmc->dev, state, timeout);
79 int dm_mmc_get_wp(struct udevice *dev)
81 struct dm_mmc_ops *ops = mmc_get_ops(dev);
85 return ops->get_wp(dev);
88 int mmc_getwp(struct mmc *mmc)
90 return dm_mmc_get_wp(mmc->dev);
93 int dm_mmc_get_cd(struct udevice *dev)
95 struct dm_mmc_ops *ops = mmc_get_ops(dev);
99 return ops->get_cd(dev);
102 int mmc_getcd(struct mmc *mmc)
104 return dm_mmc_get_cd(mmc->dev);
107 #ifdef MMC_SUPPORTS_TUNING
108 int dm_mmc_execute_tuning(struct udevice *dev, uint opcode)
110 struct dm_mmc_ops *ops = mmc_get_ops(dev);
112 if (!ops->execute_tuning)
114 return ops->execute_tuning(dev, opcode);
117 int mmc_execute_tuning(struct mmc *mmc, uint opcode)
119 return dm_mmc_execute_tuning(mmc->dev, opcode);
123 int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg)
127 val = dev_read_u32_default(dev, "bus-width", 1);
131 cfg->host_caps |= MMC_MODE_8BIT;
134 cfg->host_caps |= MMC_MODE_4BIT;
137 cfg->host_caps |= MMC_MODE_1BIT;
140 dev_err(dev, "Invalid \"bus-width\" value %u!\n", val);
144 /* f_max is obtained from the optional "max-frequency" property */
145 dev_read_u32(dev, "max-frequency", &cfg->f_max);
147 if (dev_read_bool(dev, "cap-sd-highspeed"))
148 cfg->host_caps |= MMC_CAP(SD_HS);
149 if (dev_read_bool(dev, "cap-mmc-highspeed"))
150 cfg->host_caps |= MMC_CAP(MMC_HS);
151 if (dev_read_bool(dev, "sd-uhs-sdr12"))
152 cfg->host_caps |= MMC_CAP(UHS_SDR12);
153 if (dev_read_bool(dev, "sd-uhs-sdr25"))
154 cfg->host_caps |= MMC_CAP(UHS_SDR25);
155 if (dev_read_bool(dev, "sd-uhs-sdr50"))
156 cfg->host_caps |= MMC_CAP(UHS_SDR50);
157 if (dev_read_bool(dev, "sd-uhs-sdr104"))
158 cfg->host_caps |= MMC_CAP(UHS_SDR104);
159 if (dev_read_bool(dev, "sd-uhs-ddr50"))
160 cfg->host_caps |= MMC_CAP(UHS_DDR50);
161 if (dev_read_bool(dev, "mmc-ddr-1_8v"))
162 cfg->host_caps |= MMC_CAP(MMC_DDR_52);
163 if (dev_read_bool(dev, "mmc-ddr-1_2v"))
164 cfg->host_caps |= MMC_CAP(MMC_DDR_52);
165 if (dev_read_bool(dev, "mmc-hs200-1_8v"))
166 cfg->host_caps |= MMC_CAP(MMC_HS_200);
167 if (dev_read_bool(dev, "mmc-hs200-1_2v"))
168 cfg->host_caps |= MMC_CAP(MMC_HS_200);
173 struct mmc *mmc_get_mmc_dev(struct udevice *dev)
175 struct mmc_uclass_priv *upriv;
177 if (!device_active(dev))
179 upriv = dev_get_uclass_priv(dev);
183 #if CONFIG_IS_ENABLED(BLK)
184 struct mmc *find_mmc_device(int dev_num)
186 struct udevice *dev, *mmc_dev;
189 ret = blk_find_device(IF_TYPE_MMC, dev_num, &dev);
192 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
193 printf("MMC Device %d not found\n", dev_num);
198 mmc_dev = dev_get_parent(dev);
200 struct mmc *mmc = mmc_get_mmc_dev(mmc_dev);
205 int get_mmc_num(void)
207 return max((blk_find_max_devnum(IF_TYPE_MMC) + 1), 0);
210 int mmc_get_next_devnum(void)
212 return blk_find_max_devnum(IF_TYPE_MMC);
215 struct blk_desc *mmc_get_blk_desc(struct mmc *mmc)
217 struct blk_desc *desc;
220 device_find_first_child(mmc->dev, &dev);
223 desc = dev_get_uclass_platdata(dev);
228 void mmc_do_preinit(void)
234 ret = uclass_get(UCLASS_MMC, &uc);
237 uclass_foreach_dev(dev, uc) {
238 struct mmc *m = mmc_get_mmc_dev(dev);
242 #ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
243 mmc_set_preinit(m, 1);
250 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
251 void print_mmc_devices(char separator)
257 for (uclass_first_device(UCLASS_MMC, &dev);
259 uclass_next_device(&dev), first = false) {
260 struct mmc *m = mmc_get_mmc_dev(dev);
263 printf("%c", separator);
264 if (separator != '\n')
268 mmc_type = IS_SD(m) ? "SD" : "eMMC";
272 printf("%s: %d", m->cfg->name, mmc_get_blk_desc(m)->devnum);
274 printf(" (%s)", mmc_type);
281 void print_mmc_devices(char separator) { }
284 int mmc_bind(struct udevice *dev, struct mmc *mmc, const struct mmc_config *cfg)
286 struct blk_desc *bdesc;
287 struct udevice *bdev;
288 int ret, devnum = -1;
290 if (!mmc_get_ops(dev))
292 #ifndef CONFIG_SPL_BUILD
293 /* Use the fixed index with aliase node's index */
294 ret = dev_read_alias_seq(dev, &devnum);
295 debug("%s: alias ret=%d, devnum=%d\n", __func__, ret, devnum);
298 ret = blk_create_devicef(dev, "mmc_blk", "blk", IF_TYPE_MMC,
299 devnum, 512, 0, &bdev);
301 debug("Cannot create block device\n");
304 bdesc = dev_get_uclass_platdata(bdev);
308 /* the following chunk was from mmc_register() */
310 /* Setup dsr related values */
312 mmc->dsr = 0xffffffff;
313 /* Setup the universal parts of the block interface just once */
314 bdesc->removable = 1;
316 /* setup initial part type */
317 bdesc->part_type = cfg->part_type;
323 int mmc_unbind(struct udevice *dev)
325 struct udevice *bdev;
327 device_find_first_child(dev, &bdev);
329 device_remove(bdev, DM_REMOVE_NORMAL);
336 static int mmc_select_hwpart(struct udevice *bdev, int hwpart)
338 struct udevice *mmc_dev = dev_get_parent(bdev);
339 struct mmc *mmc = mmc_get_mmc_dev(mmc_dev);
340 struct blk_desc *desc = dev_get_uclass_platdata(bdev);
342 if (desc->hwpart == hwpart)
345 if (mmc->part_config == MMCPART_NOAVAILABLE)
348 return mmc_switch_part(mmc, hwpart);
351 static int mmc_blk_probe(struct udevice *dev)
353 struct udevice *mmc_dev = dev_get_parent(dev);
354 struct mmc_uclass_priv *upriv = dev_get_uclass_priv(mmc_dev);
355 struct mmc *mmc = upriv->mmc;
360 debug("%s: mmc_init() failed (err=%d)\n", __func__, ret);
367 static const struct blk_ops mmc_blk_ops = {
369 #if CONFIG_IS_ENABLED(MMC_WRITE)
373 .select_hwpart = mmc_select_hwpart,
376 U_BOOT_DRIVER(mmc_blk) = {
380 .probe = mmc_blk_probe,
382 #endif /* CONFIG_BLK */
384 U_BOOT_DRIVER(mmc) = {
389 UCLASS_DRIVER(mmc) = {
392 .flags = DM_UC_FLAG_SEQ_ALIAS,
393 .per_device_auto_alloc_size = sizeof(struct mmc_uclass_priv),