This boot logic allows to boot a Kernel image, Device-Tree blob
and a initramfs from an external OSPI/QSPI NOR flash.
Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2024 PHYTEC Messtechnik GmbH
+ * Author: Daniel Schultz <d.schultz@phytec.de>
+ */
+
+/* Logic for TI K3 based SoCs to boot from an OSPI/QSPI NOR flash. */
+
+spiargs=setenv bootargs console=${console} earlycon=${earlycon}
+spiloadimage=sf read ${kernel_addr_r} ${spi_image_addr} ${size_kern}
+spiloadfdt=sf read ${fdt_addr_r} ${spi_fdt_addr} ${size_fdt}
+spiloadramdisk=sf read ${ramdisk_addr_r} ${spi_ramdisk_addr} ${size_fs}
+spiboot=run spiargs;
+ sf probe;
+ run spiloadimage;
+ run spiloadfdt;
+ run spiloadramdisk;
+ booti ${kernel_addr_r} ${ramdisk_addr_r}:0x${size_fs} ${fdt_addr_r}