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