[uboot] create uboot from github:

repo: https://github.com/u-boot/u-boot
	commit: d80bb749fab53da72c4a0e09b8c2d2aaa3103c91

Change-Id: Ie6434426e1ec15bc08bb1832798e371f3fd5fb29

u-boot-2021.10/arch/arm/include/asm/u-boot-arm.h

@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ */
+
+#ifndef _U_BOOT_ARM_H_
+#define _U_BOOT_ARM_H_	1
+
+#ifndef __ASSEMBLY__
+
+/* for the following variables, see start.S */
+extern ulong IRQ_STACK_START;	/* top of IRQ stack */
+extern ulong FIQ_STACK_START;	/* top of FIQ stack */
+extern ulong _datarel_start_ofs;
+extern ulong _datarelrolocal_start_ofs;
+extern ulong _datarellocal_start_ofs;
+extern ulong _datarelro_start_ofs;
+extern ulong IRQ_STACK_START_IN;	/* 8 bytes in IRQ stack */
+
+void s_init(void);
+
+/* cpu/.../cpu.c */
+int	cleanup_before_linux(void);
+
+/* Set up ARMv7 MMU, caches and TLBs */
+void	cpu_init_cp15(void);
+
+/* cpu/.../arch/cpu.c */
+int	arch_misc_init(void);
+
+/* board/.../... */
+int	board_init(void);
+
+/* calls to c from vectors.S */
+struct pt_regs;
+
+void bad_mode(void);
+void do_undefined_instruction(struct pt_regs *pt_regs);
+void do_software_interrupt(struct pt_regs *pt_regs);
+void do_prefetch_abort(struct pt_regs *pt_regs);
+void do_data_abort(struct pt_regs *pt_regs);
+void do_not_used(struct pt_regs *pt_regs);
+#ifdef CONFIG_ARM64
+void do_fiq(struct pt_regs *pt_regs, unsigned int esr);
+void do_irq(struct pt_regs *pt_regs, unsigned int esr);
+#else
+void do_fiq(struct pt_regs *pt_regs);
+void do_irq(struct pt_regs *pt_regswq);
+#endif
+
+void reset_misc(void);
+
+#endif /* __ASSEMBLY__ */
+
+#endif	/* _U_BOOT_ARM_H_ */