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>
14 #include "mmc_private.h"
16 #ifdef CONFIG_DM_MMC_OPS
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 int dm_mmc_get_wp(struct udevice
*dev
)
55 struct dm_mmc_ops
*ops
= mmc_get_ops(dev
);
59 return ops
->get_wp(dev
);
62 int mmc_getwp(struct mmc
*mmc
)
64 return dm_mmc_get_wp(mmc
->dev
);
67 int dm_mmc_get_cd(struct udevice
*dev
)
69 struct dm_mmc_ops
*ops
= mmc_get_ops(dev
);
73 return ops
->get_cd(dev
);
76 int mmc_getcd(struct mmc
*mmc
)
78 return dm_mmc_get_cd(mmc
->dev
);
82 struct mmc
*mmc_get_mmc_dev(struct udevice
*dev
)
84 struct mmc_uclass_priv
*upriv
;
86 if (!device_active(dev
))
88 upriv
= dev_get_uclass_priv(dev
);
93 struct mmc
*find_mmc_device(int dev_num
)
95 struct udevice
*dev
, *mmc_dev
;
98 ret
= blk_get_device(IF_TYPE_MMC
, dev_num
, &dev
);
101 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
102 printf("MMC Device %d not found\n", dev_num
);
107 mmc_dev
= dev_get_parent(dev
);
109 return mmc_get_mmc_dev(mmc_dev
);
112 int get_mmc_num(void)
114 return max(blk_find_max_devnum(IF_TYPE_MMC
), 0);
117 int mmc_get_next_devnum(void)
128 struct blk_desc
*mmc_get_blk_desc(struct mmc
*mmc
)
130 struct blk_desc
*desc
;
133 device_find_first_child(mmc
->dev
, &dev
);
136 desc
= dev_get_uclass_platdata(dev
);
141 void mmc_do_preinit(void)
147 ret
= uclass_get(UCLASS_MMC
, &uc
);
150 uclass_foreach_dev(dev
, uc
) {
151 struct mmc
*m
= mmc_get_mmc_dev(dev
);
155 #ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
156 mmc_set_preinit(m
, 1);
163 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
164 void print_mmc_devices(char separator
)
170 for (uclass_first_device(UCLASS_MMC
, &dev
);
172 uclass_next_device(&dev
)) {
173 struct mmc
*m
= mmc_get_mmc_dev(dev
);
176 printf("%c", separator
);
177 if (separator
!= '\n')
181 mmc_type
= IS_SD(m
) ? "SD" : "eMMC";
185 printf("%s: %d", m
->cfg
->name
, mmc_get_blk_desc(m
)->devnum
);
187 printf(" (%s)", mmc_type
);
194 void print_mmc_devices(char separator
) { }
197 int mmc_bind(struct udevice
*dev
, struct mmc
*mmc
, const struct mmc_config
*cfg
)
199 struct blk_desc
*bdesc
;
200 struct udevice
*bdev
;
203 ret
= blk_create_devicef(dev
, "mmc_blk", "blk", IF_TYPE_MMC
, -1, 512,
206 debug("Cannot create block device\n");
209 bdesc
= dev_get_uclass_platdata(bdev
);
213 /* the following chunk was from mmc_register() */
215 /* Setup dsr related values */
217 mmc
->dsr
= 0xffffffff;
218 /* Setup the universal parts of the block interface just once */
219 bdesc
->removable
= 1;
221 /* setup initial part type */
222 bdesc
->part_type
= cfg
->part_type
;
228 int mmc_unbind(struct udevice
*dev
)
230 struct udevice
*bdev
;
232 device_find_first_child(dev
, &bdev
);
241 static int mmc_select_hwpart(struct udevice
*bdev
, int hwpart
)
243 struct udevice
*mmc_dev
= dev_get_parent(bdev
);
244 struct mmc
*mmc
= mmc_get_mmc_dev(mmc_dev
);
245 struct blk_desc
*desc
= dev_get_uclass_platdata(bdev
);
248 if (desc
->hwpart
== hwpart
)
251 if (mmc
->part_config
== MMCPART_NOAVAILABLE
)
254 ret
= mmc_switch_part(mmc
, hwpart
);
261 static const struct blk_ops mmc_blk_ops
= {
263 #ifndef CONFIG_SPL_BUILD
266 .select_hwpart
= mmc_select_hwpart
,
269 U_BOOT_DRIVER(mmc_blk
) = {
274 #endif /* CONFIG_BLK */
276 U_BOOT_DRIVER(mmc
) = {
281 UCLASS_DRIVER(mmc
) = {
284 .flags
= DM_UC_FLAG_SEQ_ALIAS
,
285 .per_device_auto_alloc_size
= sizeof(struct mmc_uclass_priv
),