2 * Copyright (C) 2015 Google, Inc
3 * Written by Simon Glass <sjg@chromium.org>
5 * SPDX-License-Identifier: GPL-2.0+
11 #include <dm/device-internal.h>
13 #include "mmc_private.h"
15 DECLARE_GLOBAL_DATA_PTR
;
17 int dm_mmc_send_cmd(struct udevice
*dev
, struct mmc_cmd
*cmd
,
18 struct mmc_data
*data
)
20 struct mmc
*mmc
= mmc_get_mmc_dev(dev
);
21 struct dm_mmc_ops
*ops
= mmc_get_ops(dev
);
24 mmmc_trace_before_send(mmc
, cmd
);
26 ret
= ops
->send_cmd(dev
, cmd
, data
);
29 mmmc_trace_after_send(mmc
, cmd
, ret
);
34 int mmc_send_cmd(struct mmc
*mmc
, struct mmc_cmd
*cmd
, struct mmc_data
*data
)
36 return dm_mmc_send_cmd(mmc
->dev
, cmd
, data
);
39 int dm_mmc_set_ios(struct udevice
*dev
)
41 struct dm_mmc_ops
*ops
= mmc_get_ops(dev
);
45 return ops
->set_ios(dev
);
48 int mmc_set_ios(struct mmc
*mmc
)
50 return dm_mmc_set_ios(mmc
->dev
);
53 void dm_mmc_send_init_stream(struct udevice
*dev
)
55 struct dm_mmc_ops
*ops
= mmc_get_ops(dev
);
57 if (ops
->send_init_stream
)
58 ops
->send_init_stream(dev
);
61 void mmc_send_init_stream(struct mmc
*mmc
)
63 dm_mmc_send_init_stream(mmc
->dev
);
66 int dm_mmc_wait_dat0(struct udevice
*dev
, int state
, int timeout
)
68 struct dm_mmc_ops
*ops
= mmc_get_ops(dev
);
72 return ops
->wait_dat0(dev
, state
, timeout
);
75 int mmc_wait_dat0(struct mmc
*mmc
, int state
, int timeout
)
77 return dm_mmc_wait_dat0(mmc
->dev
, state
, timeout
);
80 int dm_mmc_get_wp(struct udevice
*dev
)
82 struct dm_mmc_ops
*ops
= mmc_get_ops(dev
);
86 return ops
->get_wp(dev
);
89 int mmc_getwp(struct mmc
*mmc
)
91 return dm_mmc_get_wp(mmc
->dev
);
94 int dm_mmc_get_cd(struct udevice
*dev
)
96 struct dm_mmc_ops
*ops
= mmc_get_ops(dev
);
100 return ops
->get_cd(dev
);
103 int mmc_getcd(struct mmc
*mmc
)
105 return dm_mmc_get_cd(mmc
->dev
);
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
);
122 int mmc_of_parse(struct udevice
*dev
, struct mmc_config
*cfg
)
126 val
= dev_read_u32_default(dev
, "bus-width", 1);
130 cfg
->host_caps
|= MMC_MODE_8BIT
;
133 cfg
->host_caps
|= MMC_MODE_4BIT
;
136 cfg
->host_caps
|= MMC_MODE_1BIT
;
139 debug("warning: %s invalid bus-width property. using 1-bit\n",
141 cfg
->host_caps
|= MMC_MODE_1BIT
;
145 cfg
->f_max
= dev_read_u32_default(dev
, "max-frequency", 52000000);
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 #ifndef CONFIG_SPL_BUILD
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
),