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-rw-r--r--arch/riscv/cpu/fu540/Makefile4
-rw-r--r--arch/riscv/cpu/fu540/spl.c23
-rw-r--r--arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi5
-rw-r--r--arch/riscv/include/asm/arch-fu540/spl.h14
4 files changed, 46 insertions, 0 deletions
diff --git a/arch/riscv/cpu/fu540/Makefile b/arch/riscv/cpu/fu540/Makefile
index 44700d998c..043fb961a5 100644
--- a/arch/riscv/cpu/fu540/Makefile
+++ b/arch/riscv/cpu/fu540/Makefile
@@ -3,5 +3,9 @@
# Copyright (C) 2020 SiFive, Inc
# Pragnesh Patel <pragnesh.patel@sifive.com>
+ifeq ($(CONFIG_SPL_BUILD),y)
+obj-y += spl.o
+else
obj-y += dram.o
obj-y += cpu.o
+endif
diff --git a/arch/riscv/cpu/fu540/spl.c b/arch/riscv/cpu/fu540/spl.c
new file mode 100644
index 0000000000..a2034e933f
--- /dev/null
+++ b/arch/riscv/cpu/fu540/spl.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 SiFive, Inc
+ * Pragnesh Patel <pragnesh.patel@sifive.com>
+ */
+
+#include <dm.h>
+#include <log.h>
+
+int soc_spl_init(void)
+{
+ int ret;
+ struct udevice *dev;
+
+ /* DDR init */
+ ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+ if (ret) {
+ debug("DRAM init failed: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
diff --git a/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi b/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi
index 9787332bf1..303806454b 100644
--- a/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi
+++ b/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi
@@ -4,6 +4,7 @@
*/
#include "fu540-c000-u-boot.dtsi"
+#include "fu540-hifive-unleashed-a00-ddr.dtsi"
/ {
aliases {
@@ -26,3 +27,7 @@
u-boot,dm-spl;
};
};
+
+&gpio {
+ u-boot,dm-spl;
+};
diff --git a/arch/riscv/include/asm/arch-fu540/spl.h b/arch/riscv/include/asm/arch-fu540/spl.h
new file mode 100644
index 0000000000..0c188be747
--- /dev/null
+++ b/arch/riscv/include/asm/arch-fu540/spl.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2020 SiFive, Inc.
+ *
+ * Authors:
+ * Pragnesh Patel <pragnesh.patel@sifve.com>
+ */
+
+#ifndef _SPL_SIFIVE_H
+#define _SPL_SIFIVE_H
+
+int soc_spl_init(void);
+
+#endif /* _SPL_SIFIVE_H */