drivers: introduce Meson Secure Monitor driver
This patch adds an implementation of the Meson Secure Monitor
driver based on UCLASS_SM.
Signed-off-by: Alexey Romanov <avromanov@salutedevices.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Link: https://lore.kernel.org/r/20230921081346.22157-7-avromanov@salutedevices.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
diff --git a/include/meson/sm.h b/include/meson/sm.h
new file mode 100644
index 0000000..fbaab1f
--- /dev/null
+++ b/include/meson/sm.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2023 SberDevices, Inc.
+ *
+ * Author: Alexey Romanov <avromanov@salutedevices.com>
+ */
+
+#ifndef __MESON_SM_CMD_H__
+#define __MESON_SM_CMD_H__
+
+enum meson_smc_cmd {
+ MESON_SMC_CMD_EFUSE_READ, /* read efuse memory */
+ MESON_SMC_CMD_EFUSE_WRITE, /* write efuse memory */
+ MESON_SMC_CMD_CHIP_ID_GET, /* readh chip unique id */
+ MESON_SMC_CMD_PWRDM_SET, /* do command at specified power domain */
+ MESON_SMC_CMD_COUNT,
+};
+
+#endif