[PATCH v1 1/2] imx: scu_api: implement sc_misc_get_boot_type

[Heiko Schocher <hs@nabladev.com>]

add function sc_misc_get_boot_type() which returns the
boot type.

Signed-off-by: Heiko Schocher <hs@nabladev.com>
Signed-off-by: Walter Schweizer <walter.schweizer@siemens.com>

---

 drivers/misc/imx8/scu_api.c    | 25 +++++++++++++++++++++++++
 include/firmware/imx/sci/sci.h |  1 +
 2 files changed, 26 insertions(+)

diff --git a/drivers/misc/imx8/scu_api.c b/drivers/misc/imx8/scu_api.c
index d9cc7acb970..c15a4a629ad 100644
--- a/drivers/misc/imx8/scu_api.c
+++ b/drivers/misc/imx8/scu_api.c
@@ -374,6 +374,31 @@ void sc_misc_boot_status(sc_ipc_t ipc, sc_misc_boot_status_t status)
 		       __func__, status, RPC_R8(&msg));
 }
 
+int sc_misc_get_boot_type(sc_ipc_t ipc, sc_misc_bt_t *type)
+{
+	struct udevice *dev = gd->arch.scu_dev;
+	int size = sizeof(struct sc_rpc_msg_s);
+	struct sc_rpc_msg_s msg;
+	int ret;
+
+	if (!dev)
+		hang();
+
+	RPC_VER(&msg) = SC_RPC_VERSION;
+	RPC_SIZE(&msg) = 1U;
+	RPC_SVC(&msg) = (u8)SC_RPC_SVC_MISC;
+	RPC_FUNC(&msg) = (u8)MISC_FUNC_GET_BOOT_TYPE;
+
+	ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size);
+	if (ret < 0)
+		return ret;
+
+	if (type)
+		*type = (u8)RPC_U8(&msg, 0U);
+
+	return 0;
+}
+
 int sc_misc_get_boot_container(sc_ipc_t ipc, u8 *idx)
 {
 	struct udevice *dev = gd->arch.scu_dev;
diff --git a/include/firmware/imx/sci/sci.h b/include/firmware/imx/sci/sci.h
index 876d52cac35..7f4ca735663 100644
--- a/include/firmware/imx/sci/sci.h
+++ b/include/firmware/imx/sci/sci.h
@@ -86,6 +86,7 @@ int sc_misc_get_control(sc_ipc_t ipc, sc_rsrc_t resource, sc_ctrl_t ctrl,
 			u32 *val);
 void sc_misc_get_boot_dev(sc_ipc_t ipc, sc_rsrc_t *boot_dev);
 void sc_misc_boot_status(sc_ipc_t ipc, sc_misc_boot_status_t status);
+int sc_misc_get_boot_type(sc_ipc_t ipc, sc_misc_bt_t *type);
 int sc_misc_get_boot_container(sc_ipc_t ipc, u8 *idx);
 void sc_misc_build_info(sc_ipc_t ipc, u32 *build, u32 *commit);
 int sc_misc_otp_fuse_read(sc_ipc_t ipc, u32 word, u32 *val);
-- 
2.20.1