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authorTom Rini <trini@konsulko.com>2016-05-17 13:58:27 -0400
committerTom Rini <trini@konsulko.com>2016-05-17 13:58:27 -0400
commit4b6e1fda107e5244e80ebc41865650ac2873dc88 (patch)
treef448089740af77c2987d12e2dd5b753b7659586f /drivers/mmc/mmc_legacy.c
parent27bec5c12757c80f598b704477c1bc6c250bcb4c (diff)
parent341392dd115f1385c31bb0b034ec15f542730e30 (diff)
downloadtalos-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.c108
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
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