+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
static struct list_head mmc_devices;
static int cur_dev_num = -1;
+#if CONFIG_IS_ENABLED(MMC_TINY)
+static struct mmc mmc_static;
+struct mmc *find_mmc_device(int dev_num)
+{
+ return &mmc_static;
+}
+
+void mmc_do_preinit(void)
+{
+ struct mmc *m = &mmc_static;
+#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
+ mmc_set_preinit(m, 1);
+#endif
+ if (m->preinit)
+ mmc_start_init(m);
+}
+
+struct blk_desc *mmc_get_blk_desc(struct mmc *mmc)
+{
+ return &mmc->block_dev;
+}
+#else
struct mmc *find_mmc_device(int dev_num)
{
struct mmc *m;
mmc_start_init(m);
}
}
+#endif
void mmc_list_init(void)
{
void print_mmc_devices(char separator) { }
#endif
+#if CONFIG_IS_ENABLED(MMC_TINY)
+static struct mmc mmc_static = {
+ .dsr_imp = 0,
+ .dsr = 0xffffffff,
+ .block_dev = {
+ .if_type = IF_TYPE_MMC,
+ .removable = 1,
+ .devnum = 0,
+ .block_read = mmc_bread,
+ .block_write = mmc_bwrite,
+ .block_erase = mmc_berase,
+ .part_type = 0,
+ },
+};
+
+struct mmc *mmc_create(const struct mmc_config *cfg, void *priv)
+{
+ struct mmc *mmc = &mmc_static;
+
+ /* First MMC device registered, fail to register a new one.
+ * Given users are not expecting this to fail, instead
+ * of failing let's just return the only MMC device
+ */
+ if (mmc->cfg) {
+ debug("Warning: MMC_TINY doesn't support multiple MMC devices\n");
+ return mmc;
+ }
+
+ mmc->cfg = cfg;
+ mmc->priv = priv;
+
+ return mmc;
+}
+
+void mmc_destroy(struct mmc *mmc)
+{
+}
+#else
struct mmc *mmc_create(const struct mmc_config *cfg, void *priv)
{
struct blk_desc *bdesc;
struct mmc *mmc;
/* quick validation */
- if (cfg == NULL || cfg->ops == NULL || cfg->ops->send_cmd == NULL ||
- cfg->f_min == 0 || cfg->f_max == 0 || cfg->b_max == 0)
+ if (cfg == NULL || cfg->f_min == 0 ||
+ cfg->f_max == 0 || cfg->b_max == 0)
return NULL;
+#if !CONFIG_IS_ENABLED(DM_MMC)
+ if (cfg->ops == NULL || cfg->ops->send_cmd == NULL)
+ return NULL;
+#endif
+
mmc = calloc(1, sizeof(*mmc));
if (mmc == NULL)
return NULL;
/* only freeing memory for now */
free(mmc);
}
+#endif
static int mmc_select_hwpartp(struct blk_desc *desc, int hwpart)
{