diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/Makefile | 4 | ||||
| -rw-r--r-- | drivers/mmc/mmc-uclass.c | 106 |
2 files changed, 109 insertions, 1 deletions
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index 38a172b..3da4817 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -5,7 +5,9 @@ # SPDX-License-Identifier: GPL-2.0+ # -obj-$(CONFIG_DM_MMC) += mmc-uclass.o +ifdef CONFIG_DM_MMC +obj-$(CONFIG_GENERIC_MMC) += mmc-uclass.o +endif ifndef CONFIG_BLK obj-$(CONFIG_GENERIC_MMC) += mmc_legacy.o diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c index 777489f..1b967d9 100644 --- a/drivers/mmc/mmc-uclass.c +++ b/drivers/mmc/mmc-uclass.c @@ -21,6 +21,112 @@ struct mmc *mmc_get_mmc_dev(struct udevice *dev) return upriv->mmc; } +#ifdef CONFIG_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); + + if (ret) { +#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) + printf("MMC Device %d not found\n", dev_num); +#endif + return NULL; + } + + mmc_dev = dev_get_parent(dev); + + return mmc_get_mmc_dev(mmc_dev); +} + +int get_mmc_num(void) +{ + return max(blk_find_max_devnum(IF_TYPE_MMC), 0); +} + +int mmc_get_next_devnum(void) +{ + int ret; + + ret = get_mmc_num(); + if (ret < 0) + return ret; + + return ret + 1; +} + +struct blk_desc *mmc_get_blk_desc(struct mmc *mmc) +{ + struct blk_desc *desc; + struct udevice *dev; + + device_find_first_child(mmc->dev, &dev); + if (!dev) + return NULL; + desc = dev_get_uclass_platdata(dev); + + return desc; +} + +void mmc_do_preinit(void) +{ + struct udevice *dev; + struct uclass *uc; + int ret; + + ret = uclass_get(UCLASS_MMC, &uc); + if (ret) + return; + uclass_foreach_dev(dev, uc) { + struct mmc *m = mmc_get_mmc_dev(dev); + + if (!m) + continue; +#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT + mmc_set_preinit(m, 1); +#endif + if (m->preinit) + mmc_start_init(m); + } +} + +#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) +void print_mmc_devices(char separator) +{ + struct udevice *dev; + char *mmc_type; + bool first = true; + + for (uclass_first_device(UCLASS_MMC, &dev); + dev; + uclass_next_device(&dev)) { + struct mmc *m = mmc_get_mmc_dev(dev); + + if (!first) { + printf("%c", separator); + if (separator != '\n') + puts(" "); + } + if (m->has_init) + mmc_type = IS_SD(m) ? "SD" : "eMMC"; + else + mmc_type = NULL; + + printf("%s: %d", m->cfg->name, mmc_get_blk_desc(m)->devnum); + if (mmc_type) + printf(" (%s)", mmc_type); + } + + printf("\n"); +} + +#else +void print_mmc_devices(char separator) { } +#endif +#endif /* CONFIG_BLK */ + U_BOOT_DRIVER(mmc) = { .name = "mmc", .id = UCLASS_MMC, |