Initial import of abandoned HQEMU version 2.5.2HEADmaster

1 files changed, 51 insertions, 0 deletions

diff --git a/src/roms/u-boot/common/spl/spl_nor.c b/src/roms/u-boot/common/spl/spl_nor.c
new file mode 100644
index 0000000..b444a3e
--- /dev/null
+++ b/src/roms/u-boot/common/spl/spl_nor.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2012 Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+
+void spl_nor_load_image(void)
+{
+	/*
+	 * Loading of the payload to SDRAM is done with skipping of
+	 * the mkimage header in this SPL NOR driver
+	 */
+	spl_image.flags |= SPL_COPY_PAYLOAD_ONLY;
+
+	if (spl_start_uboot()) {
+		/*
+		 * Load real U-Boot from its location in NOR flash to its
+		 * defined location in SDRAM
+		 */
+		spl_parse_image_header(
+			(const struct image_header *)CONFIG_SYS_UBOOT_BASE);
+
+		memcpy((void *)spl_image.load_addr,
+		       (void *)(CONFIG_SYS_UBOOT_BASE +
+				sizeof(struct image_header)),
+		       spl_image.size);
+	} else {
+		/*
+		 * Load Linux from its location in NOR flash to its defined
+		 * location in SDRAM
+		 */
+		spl_parse_image_header(
+			(const struct image_header *)CONFIG_SYS_OS_BASE);
+
+		memcpy((void *)spl_image.load_addr,
+		       (void *)(CONFIG_SYS_OS_BASE +
+				sizeof(struct image_header)),
+		       spl_image.size);
+
+		/*
+		 * Copy DT blob (fdt) to SDRAM. Passing pointer to flash
+		 * doesn't work (16 KiB should be enough for DT)
+		 */
+		memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR,
+		       (void *)(CONFIG_SYS_FDT_BASE),
+		       (16 << 10));
+	}
+}