optee: add helper functions to set/get the optee memory base

Provide helper functions to set/get the optee memory base address
gathered previously from the builtin optee binary header.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.barebox.org/20240116170738.209954-11-m.felsch@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 18 insertions, 0 deletions

diff --git a/include/tee/optee.h b/include/tee/optee.h
index b5ba0a71d7..0cdf828a6d 100644
--- a/include/tee/optee.h
+++ b/include/tee/optee.h
@@ -33,6 +33,24 @@ struct optee_header {
 
 int optee_verify_header (struct optee_header *hdr);
 
+#ifdef CONFIG_HAVE_OPTEE
+
+void optee_set_membase(const struct optee_header *hdr);
+int optee_get_membase(u64 *membase);
+
+#else
+
+static inline void optee_set_membase(const struct optee_header *hdr)
+{
+}
+
+static inline int optee_get_membase(u64 *membase)
+{
+	return -ENOSYS;
+}
+
+#endif /* CONFIG_HAVE_OPTEE */
+
 #ifdef __PBL__
 
 int start_optee_early(void* fdt, void* tee);