1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2002 4 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> 5 * Marius Groeger <mgroeger@sysgo.de> 6 * 7 * (C) Copyright 2002 8 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> 9 * Alex Zuepke <azu@sysgo.de> 10 */ 11 12 #ifndef _U_BOOT_ARM_H_ 13 #define _U_BOOT_ARM_H_ 1 14 15 #ifndef __ASSEMBLY__ 16 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 */ 25 26 /* cpu/.../cpu.c */ 27 int cpu_init(void); 28 int cleanup_before_linux(void); 29 30 /* Set up ARMv7 MMU, caches and TLBs */ 31 void cpu_init_cp15(void); 32 33 /* cpu/.../arch/cpu.c */ 34 int arch_cpu_init(void); 35 int arch_misc_init(void); 36 int arch_early_init_r(void); 37 38 /* board/.../... */ 39 int board_init(void); 40 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); 46 47 /* calls to c from vectors.S */ 48 struct pt_regs; 49 50 void bad_mode(void); 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); 56 #ifdef CONFIG_ARM64 57 void do_fiq(struct pt_regs *pt_regs, unsigned int esr); 58 void do_irq(struct pt_regs *pt_regs, unsigned int esr); 59 #else 60 void do_fiq(struct pt_regs *pt_regs); 61 void do_irq(struct pt_regs *pt_regswq); 62 #endif 63 64 #endif /* __ASSEMBLY__ */ 65 66 #endif /* _U_BOOT_ARM_H_ */ 67