1 files changed, 46 insertions, 0 deletions
diff --git a/rtemsbsd/sys/dev/mmc/st-sdmmc-config.c b/rtemsbsd/sys/dev/mmc/st-sdmmc-config.c
new file mode 100644
index 00000000..723a169b
--- /dev/null
+++ b/rtemsbsd/sys/dev/mmc/st-sdmmc-config.c
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <bsp/st-sdmmc-config.h>
+#include <dev/mmc/mmcreg.h>
+
+void
+st_sdmmc_get_config(uintptr_t sdmmc_base, struct st_sdmmc_config *cfg)
+{
+	switch (sdmmc_base) {
+	case SDMMC1_BASE:
+		cfg->data_lines = 4;
+		cfg->dirpol = true;
+		/*
+		 * FIXME: Also the evaluation board could switch to 1.8V, the
+		 * control for the level converter isn't implemented in the
+		 * driver yet. So only signal 2.9V.
+		 */
+		cfg->ocr_voltage = MMC_OCR_280_290 | MMC_OCR_290_300;
+		break;
+	}
+}