+// 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 <log.h>
#include <mmc.h>
#include <dm.h>
#include <dm/device-internal.h>
+#include <dm/device_compat.h>
#include <dm/lists.h>
-#include <dm/root.h>
+#include <linux/compat.h>
#include "mmc_private.h"
-DECLARE_GLOBAL_DATA_PTR;
+int dm_mmc_get_b_max(struct udevice *dev, void *dst, lbaint_t blkcnt)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+ struct mmc *mmc = mmc_get_mmc_dev(dev);
+
+ if (ops->get_b_max)
+ return ops->get_b_max(dev, dst, blkcnt);
+ else
+ return mmc->cfg->b_max;
+}
+
+int mmc_get_b_max(struct mmc *mmc, void *dst, lbaint_t blkcnt)
+{
+ return dm_mmc_get_b_max(mmc->dev, dst, blkcnt);
+}
-#ifdef CONFIG_DM_MMC_OPS
int dm_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
struct mmc_data *data)
{
return dm_mmc_set_ios(mmc->dev);
}
+int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout_us)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+ if (!ops->wait_dat0)
+ return -ENOSYS;
+ return ops->wait_dat0(dev, state, timeout_us);
+}
+
+int mmc_wait_dat0(struct mmc *mmc, int state, int timeout_us)
+{
+ return dm_mmc_wait_dat0(mmc->dev, state, timeout_us);
+}
+
int dm_mmc_get_wp(struct udevice *dev)
{
struct dm_mmc_ops *ops = mmc_get_ops(dev);
{
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
-struct mmc *mmc_get_mmc_dev(struct udevice *dev)
+#if CONFIG_IS_ENABLED(MMC_HS400_ES_SUPPORT)
+int dm_mmc_set_enhanced_strobe(struct udevice *dev)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+ if (ops->set_enhanced_strobe)
+ return ops->set_enhanced_strobe(dev);
+
+ return -ENOTSUPP;
+}
+
+int mmc_set_enhanced_strobe(struct mmc *mmc)
+{
+ return dm_mmc_set_enhanced_strobe(mmc->dev);
+}
+#endif
+
+int dm_mmc_host_power_cycle(struct udevice *dev)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+ if (ops->host_power_cycle)
+ return ops->host_power_cycle(dev);
+ return 0;
+}
+
+int mmc_host_power_cycle(struct mmc *mmc)
+{
+ return dm_mmc_host_power_cycle(mmc->dev);
+}
+
+int dm_mmc_deferred_probe(struct udevice *dev)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+ if (ops->deferred_probe)
+ return ops->deferred_probe(dev);
+
+ return 0;
+}
+
+int mmc_deferred_probe(struct mmc *mmc)
+{
+ return dm_mmc_deferred_probe(mmc->dev);
+}
+
+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);
+ if (dev_read_bool(dev, "mmc-hs400-1_8v"))
+ cfg->host_caps |= MMC_CAP(MMC_HS_400);
+ if (dev_read_bool(dev, "mmc-hs400-1_2v"))
+ cfg->host_caps |= MMC_CAP(MMC_HS_400);
+ if (dev_read_bool(dev, "mmc-hs400-enhanced-strobe"))
+ cfg->host_caps |= MMC_CAP(MMC_HS_400_ES);
+
+ if (dev_read_bool(dev, "non-removable")) {
+ cfg->host_caps |= MMC_CAP_NONREMOVABLE;
+ } else {
+ if (dev_read_bool(dev, "cd-inverted"))
+ cfg->host_caps |= MMC_CAP_CD_ACTIVE_HIGH;
+ if (dev_read_bool(dev, "broken-cd"))
+ cfg->host_caps |= MMC_CAP_NEEDS_POLL;
+ }
+
+ if (dev_read_bool(dev, "no-1-8-v")) {
+ cfg->host_caps &= ~(UHS_CAPS | MMC_MODE_HS200 |
+ MMC_MODE_HS400 | MMC_MODE_HS400_ES);
+ }
+
+ return 0;
+}
+
+struct mmc *mmc_get_mmc_dev(const struct udevice *dev)
{
struct mmc_uclass_priv *upriv;
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)
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 */
- fdtdec_get_alias_seq(gd->fdt_blob, "mmc", dev->of_offset, &devnum);
+ 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,
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);
+ int ret;
if (desc->hwpart == hwpart)
return 0;
if (mmc->part_config == MMCPART_NOAVAILABLE)
return -EMEDIUMTYPE;
- return mmc_switch_part(mmc, hwpart);
+ ret = mmc_switch_part(mmc, hwpart);
+ if (!ret)
+ blkcache_invalidate(desc->if_type, desc->devnum);
+
+ return ret;
}
static int mmc_blk_probe(struct udevice *dev)
{
- struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
- int dev_num = block_dev->devnum;
- struct mmc *mmc = find_mmc_device(dev_num);
+ 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;
- if (!mmc)
- return -ENODEV;
- return mmc_init(mmc);
+ ret = mmc_init(mmc);
+ if (ret) {
+ debug("%s: mmc_init() failed (err=%d)\n", __func__, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || \
+ CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \
+ CONFIG_IS_ENABLED(MMC_HS400_SUPPORT)
+static int mmc_blk_remove(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;
+
+ return mmc_deinit(mmc);
}
+#endif
static const struct blk_ops mmc_blk_ops = {
.read = mmc_bread,
-#ifndef CONFIG_SPL_BUILD
+#if CONFIG_IS_ENABLED(MMC_WRITE)
.write = mmc_bwrite,
.erase = mmc_berase,
#endif
.id = UCLASS_BLK,
.ops = &mmc_blk_ops,
.probe = mmc_blk_probe,
+#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || \
+ CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \
+ CONFIG_IS_ENABLED(MMC_HS400_SUPPORT)
+ .remove = mmc_blk_remove,
+ .flags = DM_FLAG_OS_PREPARE,
+#endif
};
#endif /* CONFIG_BLK */
-U_BOOT_DRIVER(mmc) = {
- .name = "mmc",
- .id = UCLASS_MMC,
-};
UCLASS_DRIVER(mmc) = {
.id = UCLASS_MMC,
projects / oweals / u-boot.git / blobdiff