1 /* 2 * (C) Copyright 2002 3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> 4 * Marius Groeger <mgroeger@sysgo.de> 5 * 6 * (C) Copyright 2002 7 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> 8 * Alex Zuepke <azu@sysgo.de> 9 * 10 * SPDX-License-Identifier: GPL-2.0+ 11 */ 12 13 #ifndef _U_BOOT_ARM_H_ 14 #define _U_BOOT_ARM_H_ 1 15 16 /* for the following variables, see start.S */ 17 extern ulong IRQ_STACK_START; /* top of IRQ stack */ 18 extern ulong FIQ_STACK_START; /* top of FIQ stack */ 19 extern ulong _datarel_start_ofs; 20 extern ulong _datarelrolocal_start_ofs; 21 extern ulong _datarellocal_start_ofs; 22 extern ulong _datarelro_start_ofs; 23 extern ulong IRQ_STACK_START_IN; /* 8 bytes in IRQ stack */ 24 25 /* cpu/.../cpu.c */ 26 int cpu_init(void); 27 int cleanup_before_linux(void); 28 29 /* Set up ARMv7 MMU, caches and TLBs */ 30 void cpu_init_cp15(void); 31 32 /* cpu/.../arch/cpu.c */ 33 int arch_cpu_init(void); 34 int arch_misc_init(void); 35 int arch_early_init_r(void); 36 37 /* board/.../... */ 38 int board_init(void); 39 void dram_init_banksize (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 void bad_mode(void); 49 void do_undefined_instruction(struct pt_regs *pt_regs); 50 void do_software_interrupt(struct pt_regs *pt_regs); 51 void do_prefetch_abort(struct pt_regs *pt_regs); 52 void do_data_abort(struct pt_regs *pt_regs); 53 void do_not_used(struct pt_regs *pt_regs); 54 #ifdef CONFIG_ARM64 55 void do_fiq(struct pt_regs *pt_regs, unsigned int esr); 56 void do_irq(struct pt_regs *pt_regs, unsigned int esr); 57 #else 58 void do_fiq(struct pt_regs *pt_regs); 59 void do_irq(struct pt_regs *pt_regswq); 60 #endif 61 62 #endif /* _U_BOOT_ARM_H_ */ 63