1 files changed, 33 insertions, 0 deletions
diff --git a/include/drivers/st/stm32mp_ram.h b/include/drivers/st/stm32mp_ram.h
new file mode 100644
index 0000000..6e1e21d
--- /dev/null
+++ b/include/drivers/st/stm32mp_ram.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2022, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef STM32MP_RAM_H
+#define STM32MP_RAM_H
+
+#include <stdbool.h>
+
+#include <drivers/st/stm32mp_ddr.h>
+
+#define PARAM(x, y)							\
+	{								\
+		.name = x,						\
+		.offset = offsetof(struct stm32mp_ddr_config, y),	\
+		.size = sizeof(config.y) / sizeof(uint32_t),		\
+	}
+
+#define CTL_PARAM(x) PARAM("st,ctl-"#x, c_##x)
+#define PHY_PARAM(x) PARAM("st,phy-"#x, p_##x)
+
+struct stm32mp_ddr_param {
+	const char *name;      /* Name in DT */
+	const uint32_t offset; /* Offset in config struct */
+	const uint32_t size;   /* Size of parameters */
+};
+
+int stm32mp_ddr_dt_get_info(void *fdt, int node, struct stm32mp_ddr_info *info);
+int stm32mp_ddr_dt_get_param(void *fdt, int node, const struct stm32mp_ddr_param *param,
+			     uint32_t param_size, uintptr_t config);
+
+#endif /* STM32MP_RAM_H */