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-rw-r--r--lib/utils/Kconfig2
-rw-r--r--lib/utils/hsm/Kconfig10
-rw-r--r--lib/utils/hsm/fdt_hsm.c22
-rw-r--r--lib/utils/hsm/fdt_hsm_drivers.carray3
-rw-r--r--lib/utils/hsm/objects.mk11
5 files changed, 48 insertions, 0 deletions
diff --git a/lib/utils/Kconfig b/lib/utils/Kconfig
index 3f32c1c..c860a18 100644
--- a/lib/utils/Kconfig
+++ b/lib/utils/Kconfig
@@ -6,6 +6,8 @@ source "$(OPENSBI_SRC_DIR)/lib/utils/fdt/Kconfig"
source "$(OPENSBI_SRC_DIR)/lib/utils/gpio/Kconfig"
+source "$(OPENSBI_SRC_DIR)/lib/utils/hsm/Kconfig"
+
source "$(OPENSBI_SRC_DIR)/lib/utils/i2c/Kconfig"
source "$(OPENSBI_SRC_DIR)/lib/utils/ipi/Kconfig"
diff --git a/lib/utils/hsm/Kconfig b/lib/utils/hsm/Kconfig
new file mode 100644
index 0000000..3150611
--- /dev/null
+++ b/lib/utils/hsm/Kconfig
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: BSD-2-Clause
+
+menu "HSM Device Support"
+
+config FDT_HSM
+ bool "FDT based HSM drivers"
+ depends on FDT
+ default n
+
+endmenu
diff --git a/lib/utils/hsm/fdt_hsm.c b/lib/utils/hsm/fdt_hsm.c
new file mode 100644
index 0000000..162b986
--- /dev/null
+++ b/lib/utils/hsm/fdt_hsm.c
@@ -0,0 +1,22 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Ventana Micro Systems Inc.
+ *
+ * Authors:
+ * Anup Patel <apatel@ventanamicro.com>
+ */
+
+#include <sbi_utils/hsm/fdt_hsm.h>
+
+/* List of FDT HSM drivers generated at compile time */
+extern const struct fdt_driver *const fdt_hsm_drivers[];
+
+void fdt_hsm_init(const void *fdt)
+{
+ /*
+ * Platforms might have multiple HSM devices or might
+ * not have any so probe all and don't fail.
+ */
+ fdt_driver_init_all(fdt, fdt_hsm_drivers);
+}
diff --git a/lib/utils/hsm/fdt_hsm_drivers.carray b/lib/utils/hsm/fdt_hsm_drivers.carray
new file mode 100644
index 0000000..73680a2
--- /dev/null
+++ b/lib/utils/hsm/fdt_hsm_drivers.carray
@@ -0,0 +1,3 @@
+HEADER: sbi_utils/hsm/fdt_hsm.h
+TYPE: const struct fdt_driver
+NAME: fdt_hsm_drivers
diff --git a/lib/utils/hsm/objects.mk b/lib/utils/hsm/objects.mk
new file mode 100644
index 0000000..49337bf
--- /dev/null
+++ b/lib/utils/hsm/objects.mk
@@ -0,0 +1,11 @@
+#
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2024 Ventana Micro Systems Inc.
+#
+# Authors:
+# Anup Patel <apatel@ventanamicro.com>
+#
+
+libsbiutils-objs-$(CONFIG_FDT_HSM) += hsm/fdt_hsm.o
+libsbiutils-objs-$(CONFIG_FDT_HSM) += hsm/fdt_hsm_drivers.carray.o