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author | Tom Rini <trini@konsulko.com> | 2016-05-17 13:58:27 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2016-05-17 13:58:27 -0400 |
commit | 4b6e1fda107e5244e80ebc41865650ac2873dc88 (patch) | |
tree | f448089740af77c2987d12e2dd5b753b7659586f /drivers/mmc/mmc_legacy.c | |
parent | 27bec5c12757c80f598b704477c1bc6c250bcb4c (diff) | |
parent | 341392dd115f1385c31bb0b034ec15f542730e30 (diff) | |
download | talos-obmc-uboot-4b6e1fda107e5244e80ebc41865650ac2873dc88.tar.gz talos-obmc-uboot-4b6e1fda107e5244e80ebc41865650ac2873dc88.zip |
Merge git://git.denx.de/u-boot-dm
Diffstat (limited to 'drivers/mmc/mmc_legacy.c')
-rw-r--r-- | drivers/mmc/mmc_legacy.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/mmc/mmc_legacy.c b/drivers/mmc/mmc_legacy.c new file mode 100644 index 0000000000..3ec649f2b8 --- /dev/null +++ b/drivers/mmc/mmc_legacy.c @@ -0,0 +1,108 @@ +/* + * Copyright (C) 2016 Google, Inc + * Written by Simon Glass <sjg@chromium.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <mmc.h> + +static struct list_head mmc_devices; +static int cur_dev_num = -1; + +struct mmc *find_mmc_device(int dev_num) +{ + struct mmc *m; + struct list_head *entry; + + list_for_each(entry, &mmc_devices) { + m = list_entry(entry, struct mmc, link); + + if (m->block_dev.devnum == dev_num) + return m; + } + +#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) + printf("MMC Device %d not found\n", dev_num); +#endif + + return NULL; +} + +int mmc_get_next_devnum(void) +{ + return cur_dev_num++; +} + +struct blk_desc *mmc_get_blk_desc(struct mmc *mmc) +{ + return &mmc->block_dev; +} + +int get_mmc_num(void) +{ + return cur_dev_num; +} + +void mmc_do_preinit(void) +{ + struct mmc *m; + struct list_head *entry; + + list_for_each(entry, &mmc_devices) { + m = list_entry(entry, struct mmc, link); + +#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT + mmc_set_preinit(m, 1); +#endif + if (m->preinit) + mmc_start_init(m); + } +} + +void mmc_list_init(void) +{ + INIT_LIST_HEAD(&mmc_devices); + cur_dev_num = 0; +} + +void mmc_list_add(struct mmc *mmc) +{ + INIT_LIST_HEAD(&mmc->link); + + list_add_tail(&mmc->link, &mmc_devices); +} + +#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) +void print_mmc_devices(char separator) +{ + struct mmc *m; + struct list_head *entry; + char *mmc_type; + + list_for_each(entry, &mmc_devices) { + m = list_entry(entry, struct mmc, link); + + if (m->has_init) + mmc_type = IS_SD(m) ? "SD" : "eMMC"; + else + mmc_type = NULL; + + printf("%s: %d", m->cfg->name, m->block_dev.devnum); + if (mmc_type) + printf(" (%s)", mmc_type); + + if (entry->next != &mmc_devices) { + printf("%c", separator); + if (separator != '\n') + puts(" "); + } + } + + printf("\n"); +} + +#else +void print_mmc_devices(char separator) { } +#endif |