Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 71 insertions, 0 deletions

diff --git a/roms/u-boot/board/emulation/qemu-riscv/qemu-riscv.c b/roms/u-boot/board/emulation/qemu-riscv/qemu-riscv.c
new file mode 100644
index 000000000..dcfd3f20b
--- /dev/null
+++ b/roms/u-boot/board/emulation/qemu-riscv/qemu-riscv.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <env.h>
+#include <fdtdec.h>
+#include <image.h>
+#include <log.h>
+#include <spl.h>
+#include <init.h>
+#include <virtio_types.h>
+#include <virtio.h>
+
+int board_init(void)
+{
+	/*
+	 * Make sure virtio bus is enumerated so that peripherals
+	 * on the virtio bus can be discovered by their drivers
+	 */
+	virtio_init();
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+	ulong kernel_start;
+	ofnode chosen_node;
+	int ret;
+
+	chosen_node = ofnode_path("/chosen");
+	if (!ofnode_valid(chosen_node)) {
+		debug("No chosen node found, can't get kernel start address\n");
+		return 0;
+	}
+
+#ifdef CONFIG_ARCH_RV64I
+	ret = ofnode_read_u64(chosen_node, "riscv,kernel-start",
+			      (u64 *)&kernel_start);
+#else
+	ret = ofnode_read_u32(chosen_node, "riscv,kernel-start",
+			      (u32 *)&kernel_start);
+#endif
+	if (ret) {
+		debug("Can't find kernel start address in device tree\n");
+		return 0;
+	}
+
+	env_set_hex("kernel_start", kernel_start);
+
+	return 0;
+}
+
+#ifdef CONFIG_SPL
+u32 spl_boot_device(void)
+{
+	/* RISC-V QEMU only supports RAM as SPL boot device */
+	return BOOT_DEVICE_RAM;
+}
+#endif
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+	/* boot using first FIT config */
+	return 0;
+}
+#endif