Add BootROM | Fix ResetWrangler for DDR | Add scripts

fpga/src/main/resources/vcu118/sdboot/Makefile

@@ -0,0 +1,39 @@
+# RISCV environment variable must be set
+ROOT_DIR := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
+BUILD_DIR := $(ROOT_DIR)/build
+
+CC=$(RISCV)/bin/riscv64-unknown-elf-gcc
+OBJCOPY=$(RISCV)/bin/riscv64-unknown-elf-objcopy
+OBJDUMP=$(RISCV)/bin/riscv64-unknown-elf-objdump
+CFLAGS=-march=rv64ima -mcmodel=medany -O2 -std=gnu11 -Wall -nostartfiles
+CFLAGS+= -fno-common -g -DENTROPY=0 -mabi=lp64 -DNONSMP_HART=0
+CFLAGS+= -I $(ROOT_DIR)/include -I.
+LFLAGS=-static -nostdlib -L $(ROOT_DIR)/linker -T sdboot.elf.lds
+
+#PBUS_CLK passed in
+elf := $(BUILD_DIR)/sdboot.elf
+$(elf): head.S kprintf.c sd.c
+	mkdir -p $(BUILD_DIR)
+	$(CC) $(CFLAGS) -DTL_CLK="$(PBUS_CLK)UL" $(LFLAGS) -o $@ head.S sd.c kprintf.c
+
+.PHONY: elf
+elf: $(elf)
+
+bin := $(BUILD_DIR)/sdboot.bin
+$(bin): $(elf)
+	mkdir -p $(BUILD_DIR)
+	$(OBJCOPY) -O binary --change-addresses=-0x10000 $< $@
+
+.PHONY: bin
+bin: $(bin)
+
+dump := $(BUILD_DIR)/sdboot.dump
+$(dump): $(elf)
+	$(OBJDUMP) -D -S $< > $@
+
+.PHONY: dump
+dump: $(dump)
+
+.PHONY: clean
+clean::
+	rm -rf $(BUILD_DIR)