Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / u-boot / drivers / mtd / nand / nand_spl_load.c
diff --git a/qemu/roms/u-boot/drivers/mtd/nand/nand_spl_load.c b/qemu/roms/u-boot/drivers/mtd/nand/nand_spl_load.c
new file mode 100644 (file)
index 0000000..5a25644
--- /dev/null
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <nand.h>
+
+/*
+ * The main entry for NAND booting. It's necessary that SDRAM is already
+ * configured and available since this code loads the main U-Boot image
+ * from NAND into SDRAM and starts it from there.
+ */
+void nand_boot(void)
+{
+       __attribute__((noreturn)) void (*uboot)(void);
+
+       /*
+        * Load U-Boot image from NAND into RAM
+        */
+       nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+                       CONFIG_SYS_NAND_U_BOOT_SIZE,
+                       (void *)CONFIG_SYS_NAND_U_BOOT_DST);
+
+#ifdef CONFIG_NAND_ENV_DST
+       nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+                       (void *)CONFIG_NAND_ENV_DST);
+
+#ifdef CONFIG_ENV_OFFSET_REDUND
+       nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE,
+                       (void *)CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE);
+#endif
+#endif
+
+       /*
+        * Jump to U-Boot image
+        */
+       uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START;
+       (*uboot)();
+}