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/* 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 */
/* cpu/.../cpu.c */
int cpu_init(void);
int cleanup_before_linux(void);
/* Set up ARMv7 MMU, caches and TLBs */
void cpu_init_cp15(void);
/* cpu/.../arch/cpu.c */
int arch_cpu_init(void);
int arch_misc_init(void);
int arch_early_init_r(void);
/* board/.../... */
int board_init(void);
/* cpu/.../interrupt.c */
ulong get_timer_masked (void);
void udelay_masked (unsigned long usec);
/* 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
#endif /* __ASSEMBLY__ */
#endif /* _U_BOOT_ARM_H_ */
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