Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 45 insertions, 0 deletions

diff --git a/roms/u-boot/drivers/smem/smem-uclass.c b/roms/u-boot/drivers/smem/smem-uclass.c
new file mode 100644
index 000000000..ce7bf4065
--- /dev/null
+++ b/roms/u-boot/drivers/smem/smem-uclass.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2018 Ramon Fried <ramon.fried@gmail.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <smem.h>
+
+int smem_alloc(struct udevice *dev, unsigned int host,
+		unsigned int item, size_t size)
+{
+	struct smem_ops *ops = smem_get_ops(dev);
+
+	if (!ops->alloc)
+		return -ENOSYS;
+
+	return ops->alloc(host, item, size);
+}
+
+void *smem_get(struct udevice *dev, unsigned int host,
+		unsigned int item, size_t *size)
+{
+	struct smem_ops *ops = smem_get_ops(dev);
+
+	if (!ops->get)
+		return NULL;
+
+	return ops->get(host, item, size);
+}
+
+int smem_get_free_space(struct udevice *dev, unsigned int host)
+{
+	struct smem_ops *ops = smem_get_ops(dev);
+
+	if (!ops->get_free_space)
+		return -ENOSYS;
+
+	return ops->get_free_space(host);
+}
+
+UCLASS_DRIVER(smem) = {
+	.id     = UCLASS_SMEM,
+	.name       = "smem",
+};