drivers: smem: sandbox
Add Sandbox driver for SMEM. mostly stub operations.
Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/smem/sandbox_smem.c b/drivers/smem/sandbox_smem.c
new file mode 100644
index 0000000..7397e44
--- /dev/null
+++ b/drivers/smem/sandbox_smem.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 <errno.h>
+#include <smem.h>
+#include <asm/test.h>
+
+static int sandbox_smem_alloc(unsigned int host,
+ unsigned int item, size_t size)
+{
+ return 0;
+}
+
+static void *sandbox_smem_get(unsigned int host,
+ unsigned int item, size_t *size)
+{
+ return NULL;
+}
+
+static int sandbox_smem_get_free_space(unsigned int host)
+{
+ return 0;
+}
+
+static const struct smem_ops sandbox_smem_ops = {
+ .alloc = sandbox_smem_alloc,
+ .get = sandbox_smem_get,
+ .get_free_space = sandbox_smem_get_free_space,
+};
+
+static const struct udevice_id sandbox_smem_ids[] = {
+ { .compatible = "sandbox,smem" },
+ { }
+};
+
+U_BOOT_DRIVER(smem_sandbox) = {
+ .name = "smem_sandbox",
+ .id = UCLASS_SMEM,
+ .of_match = sandbox_smem_ids,
+ .ops = &sandbox_smem_ops,
+};