1 /* SPDX-License-Identifier: GPL-2.0+ */
4 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
5 * Marius Groeger <mgroeger@sysgo.de>
8 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
9 * Alex Zuepke <azu@sysgo.de>
12 #ifndef _U_BOOT_ARM_H_
13 #define _U_BOOT_ARM_H_ 1
17 /* for the following variables, see start.S */
18 extern ulong IRQ_STACK_START; /* top of IRQ stack */
19 extern ulong FIQ_STACK_START; /* top of FIQ stack */
20 extern ulong _datarel_start_ofs;
21 extern ulong _datarelrolocal_start_ofs;
22 extern ulong _datarellocal_start_ofs;
23 extern ulong _datarelro_start_ofs;
24 extern ulong IRQ_STACK_START_IN; /* 8 bytes in IRQ stack */
28 int cleanup_before_linux(void);
30 /* Set up ARMv7 MMU, caches and TLBs */
31 void cpu_init_cp15(void);
33 /* cpu/.../arch/cpu.c */
34 int arch_cpu_init(void);
35 int arch_misc_init(void);
36 int arch_early_init_r(void);
41 /* cpu/.../interrupt.c */
42 int arch_interrupt_init (void);
43 void reset_timer_masked (void);
44 ulong get_timer_masked (void);
45 void udelay_masked (unsigned long usec);
47 /* calls to c from vectors.S */
51 void do_undefined_instruction(struct pt_regs *pt_regs);
52 void do_software_interrupt(struct pt_regs *pt_regs);
53 void do_prefetch_abort(struct pt_regs *pt_regs);
54 void do_data_abort(struct pt_regs *pt_regs);
55 void do_not_used(struct pt_regs *pt_regs);
57 void do_fiq(struct pt_regs *pt_regs, unsigned int esr);
58 void do_irq(struct pt_regs *pt_regs, unsigned int esr);
60 void do_fiq(struct pt_regs *pt_regs);
61 void do_irq(struct pt_regs *pt_regswq);
64 #endif /* __ASSEMBLY__ */
66 #endif /* _U_BOOT_ARM_H_ */