+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <mmc.h>
#include <dm.h>
+#include <dm/device-internal.h>
#include <dm/lists.h>
-#include <dm/root.h>
+#include "mmc_private.h"
+
+int dm_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
+ struct mmc_data *data)
+{
+ struct mmc *mmc = mmc_get_mmc_dev(dev);
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+ int ret;
+
+ mmmc_trace_before_send(mmc, cmd);
+ if (ops->send_cmd)
+ ret = ops->send_cmd(dev, cmd, data);
+ else
+ ret = -ENOSYS;
+ mmmc_trace_after_send(mmc, cmd, ret);
+
+ return ret;
+}
+
+int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
+{
+ return dm_mmc_send_cmd(mmc->dev, cmd, data);
+}
+
+int dm_mmc_set_ios(struct udevice *dev)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+ if (!ops->set_ios)
+ return -ENOSYS;
+ return ops->set_ios(dev);
+}
+
+int mmc_set_ios(struct mmc *mmc)
+{
+ return dm_mmc_set_ios(mmc->dev);
+}
+
+void dm_mmc_send_init_stream(struct udevice *dev)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+ if (ops->send_init_stream)
+ ops->send_init_stream(dev);
+}
+
+void mmc_send_init_stream(struct mmc *mmc)
+{
+ dm_mmc_send_init_stream(mmc->dev);
+}
+
+#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT)
+int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+ if (!ops->wait_dat0)
+ return -ENOSYS;
+ return ops->wait_dat0(dev, state, timeout);
+}
+
+int mmc_wait_dat0(struct mmc *mmc, int state, int timeout)
+{
+ return dm_mmc_wait_dat0(mmc->dev, state, timeout);
+}
+#endif
+
+int dm_mmc_get_wp(struct udevice *dev)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+ if (!ops->get_wp)
+ return -ENOSYS;
+ return ops->get_wp(dev);
+}
+
+int mmc_getwp(struct mmc *mmc)
+{
+ return dm_mmc_get_wp(mmc->dev);
+}
+
+int dm_mmc_get_cd(struct udevice *dev)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+ if (!ops->get_cd)
+ return -ENOSYS;
+ return ops->get_cd(dev);
+}
+
+int mmc_getcd(struct mmc *mmc)
+{
+ return dm_mmc_get_cd(mmc->dev);
+}
+
+#ifdef MMC_SUPPORTS_TUNING
+int dm_mmc_execute_tuning(struct udevice *dev, uint opcode)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+ if (!ops->execute_tuning)
+ return -ENOSYS;
+ return ops->execute_tuning(dev, opcode);
+}
+
+int mmc_execute_tuning(struct mmc *mmc, uint opcode)
+{
+ return dm_mmc_execute_tuning(mmc->dev, opcode);
+}
+#endif
+
+int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg)
+{
+ int val;
+
+ val = dev_read_u32_default(dev, "bus-width", 1);
+
+ switch (val) {
+ case 0x8:
+ cfg->host_caps |= MMC_MODE_8BIT;
+ /* fall through */
+ case 0x4:
+ cfg->host_caps |= MMC_MODE_4BIT;
+ /* fall through */
+ case 0x1:
+ cfg->host_caps |= MMC_MODE_1BIT;
+ break;
+ default:
+ dev_err(dev, "Invalid \"bus-width\" value %u!\n", val);
+ return -EINVAL;
+ }
+
+ /* f_max is obtained from the optional "max-frequency" property */
+ dev_read_u32(dev, "max-frequency", &cfg->f_max);
+
+ if (dev_read_bool(dev, "cap-sd-highspeed"))
+ cfg->host_caps |= MMC_CAP(SD_HS);
+ if (dev_read_bool(dev, "cap-mmc-highspeed"))
+ cfg->host_caps |= MMC_CAP(MMC_HS);
+ if (dev_read_bool(dev, "sd-uhs-sdr12"))
+ cfg->host_caps |= MMC_CAP(UHS_SDR12);
+ if (dev_read_bool(dev, "sd-uhs-sdr25"))
+ cfg->host_caps |= MMC_CAP(UHS_SDR25);
+ if (dev_read_bool(dev, "sd-uhs-sdr50"))
+ cfg->host_caps |= MMC_CAP(UHS_SDR50);
+ if (dev_read_bool(dev, "sd-uhs-sdr104"))
+ cfg->host_caps |= MMC_CAP(UHS_SDR104);
+ if (dev_read_bool(dev, "sd-uhs-ddr50"))
+ cfg->host_caps |= MMC_CAP(UHS_DDR50);
+ if (dev_read_bool(dev, "mmc-ddr-1_8v"))
+ cfg->host_caps |= MMC_CAP(MMC_DDR_52);
+ if (dev_read_bool(dev, "mmc-ddr-1_2v"))
+ cfg->host_caps |= MMC_CAP(MMC_DDR_52);
+ if (dev_read_bool(dev, "mmc-hs200-1_8v"))
+ cfg->host_caps |= MMC_CAP(MMC_HS_200);
+ if (dev_read_bool(dev, "mmc-hs200-1_2v"))
+ cfg->host_caps |= MMC_CAP(MMC_HS_200);
+
+ return 0;
+}
struct mmc *mmc_get_mmc_dev(struct udevice *dev)
{
return upriv->mmc;
}
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
struct mmc *find_mmc_device(int dev_num)
{
struct udevice *dev, *mmc_dev;
int ret;
- ret = blk_get_device(IF_TYPE_MMC, dev_num, &dev);
+ ret = blk_find_device(IF_TYPE_MMC, dev_num, &dev);
if (ret) {
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
mmc_dev = dev_get_parent(dev);
- return mmc_get_mmc_dev(mmc_dev);
+ struct mmc *mmc = mmc_get_mmc_dev(mmc_dev);
+
+ return mmc;
}
int get_mmc_num(void)
{
- return max(blk_find_max_devnum(IF_TYPE_MMC), 0);
+ return max((blk_find_max_devnum(IF_TYPE_MMC) + 1), 0);
}
int mmc_get_next_devnum(void)
{
- int ret;
-
- ret = get_mmc_num();
- if (ret < 0)
- return ret;
-
- return ret + 1;
+ return blk_find_max_devnum(IF_TYPE_MMC);
}
struct blk_desc *mmc_get_blk_desc(struct mmc *mmc)
for (uclass_first_device(UCLASS_MMC, &dev);
dev;
- uclass_next_device(&dev)) {
+ uclass_next_device(&dev), first = false) {
struct mmc *m = mmc_get_mmc_dev(dev);
if (!first) {
#else
void print_mmc_devices(char separator) { }
#endif
+
+int mmc_bind(struct udevice *dev, struct mmc *mmc, const struct mmc_config *cfg)
+{
+ struct blk_desc *bdesc;
+ struct udevice *bdev;
+ int ret, devnum = -1;
+
+ if (!mmc_get_ops(dev))
+ return -ENOSYS;
+#ifndef CONFIG_SPL_BUILD
+ /* Use the fixed index with aliase node's index */
+ ret = dev_read_alias_seq(dev, &devnum);
+ debug("%s: alias ret=%d, devnum=%d\n", __func__, ret, devnum);
+#endif
+
+ ret = blk_create_devicef(dev, "mmc_blk", "blk", IF_TYPE_MMC,
+ devnum, 512, 0, &bdev);
+ if (ret) {
+ debug("Cannot create block device\n");
+ return ret;
+ }
+ bdesc = dev_get_uclass_platdata(bdev);
+ mmc->cfg = cfg;
+ mmc->priv = dev;
+
+ /* the following chunk was from mmc_register() */
+
+ /* Setup dsr related values */
+ mmc->dsr_imp = 0;
+ mmc->dsr = 0xffffffff;
+ /* Setup the universal parts of the block interface just once */
+ bdesc->removable = 1;
+
+ /* setup initial part type */
+ bdesc->part_type = cfg->part_type;
+ mmc->dev = dev;
+
+ return 0;
+}
+
+int mmc_unbind(struct udevice *dev)
+{
+ struct udevice *bdev;
+
+ device_find_first_child(dev, &bdev);
+ if (bdev) {
+ device_remove(bdev, DM_REMOVE_NORMAL);
+ device_unbind(bdev);
+ }
+
+ return 0;
+}
+
+static int mmc_select_hwpart(struct udevice *bdev, int hwpart)
+{
+ struct udevice *mmc_dev = dev_get_parent(bdev);
+ struct mmc *mmc = mmc_get_mmc_dev(mmc_dev);
+ struct blk_desc *desc = dev_get_uclass_platdata(bdev);
+
+ if (desc->hwpart == hwpart)
+ return 0;
+
+ if (mmc->part_config == MMCPART_NOAVAILABLE)
+ return -EMEDIUMTYPE;
+
+ return mmc_switch_part(mmc, hwpart);
+}
+
+static int mmc_blk_probe(struct udevice *dev)
+{
+ struct udevice *mmc_dev = dev_get_parent(dev);
+ struct mmc_uclass_priv *upriv = dev_get_uclass_priv(mmc_dev);
+ struct mmc *mmc = upriv->mmc;
+ int ret;
+
+ ret = mmc_init(mmc);
+ if (ret) {
+ debug("%s: mmc_init() failed (err=%d)\n", __func__, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct blk_ops mmc_blk_ops = {
+ .read = mmc_bread,
+#if CONFIG_IS_ENABLED(MMC_WRITE)
+ .write = mmc_bwrite,
+ .erase = mmc_berase,
+#endif
+ .select_hwpart = mmc_select_hwpart,
+};
+
+U_BOOT_DRIVER(mmc_blk) = {
+ .name = "mmc_blk",
+ .id = UCLASS_BLK,
+ .ops = &mmc_blk_ops,
+ .probe = mmc_blk_probe,
+};
#endif /* CONFIG_BLK */
U_BOOT_DRIVER(mmc) = {
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