arch/arm/include/asm/u-boot-arm.h

   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 void    board_quiesce_devices(void);
  41
  42 /* cpu/.../interrupt.c */
  43 int     arch_interrupt_init     (void);
  44 void    reset_timer_masked      (void);
  45 ulong   get_timer_masked        (void);
  46 void    udelay_masked           (unsigned long usec);
  47
  48 /* calls to c from vectors.S */
  49 struct pt_regs;
  50
  51 void bad_mode(void);
  52 void do_undefined_instruction(struct pt_regs *pt_regs);
  53 void do_software_interrupt(struct pt_regs *pt_regs);
  54 void do_prefetch_abort(struct pt_regs *pt_regs);
  55 void do_data_abort(struct pt_regs *pt_regs);
  56 void do_not_used(struct pt_regs *pt_regs);
  57 #ifdef CONFIG_ARM64
  58 void do_fiq(struct pt_regs *pt_regs, unsigned int esr);
  59 void do_irq(struct pt_regs *pt_regs, unsigned int esr);
  60 #else
  61 void do_fiq(struct pt_regs *pt_regs);
  62 void do_irq(struct pt_regs *pt_regswq);
  63 #endif
  64
  65 #endif /* __ASSEMBLY__ */
  66
  67 #endif  /* _U_BOOT_ARM_H_ */