xref: /openbmc/u-boot/arch/arm/include/asm/u-boot-arm.h (revision 1ed3b710)
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  * See file CREDITS for list of people who contributed to this
11  * project.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License as
15  * published by the Free Software Foundation; either version 2 of
16  * the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software
25  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26  * MA 02111-1307 USA
27  */
28 
29 #ifndef _U_BOOT_ARM_H_
30 #define _U_BOOT_ARM_H_	1
31 
32 /* for the following variables, see start.S */
33 extern ulong _bss_start_ofs;	/* BSS start relative to _start */
34 extern ulong _bss_end_ofs;		/* BSS end relative to _start */
35 extern ulong IRQ_STACK_START;	/* top of IRQ stack */
36 extern ulong FIQ_STACK_START;	/* top of FIQ stack */
37 #if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
38 extern ulong _armboot_start_ofs;	/* code start */
39 #else
40 extern ulong _TEXT_BASE;	/* code start */
41 extern ulong _datarel_start_ofs;
42 extern ulong _datarelrolocal_start_ofs;
43 extern ulong _datarellocal_start_ofs;
44 extern ulong _datarelro_start_ofs;
45 extern ulong IRQ_STACK_START_IN;	/* 8 bytes in IRQ stack */
46 #endif
47 
48 /* cpu/.../cpu.c */
49 int	cpu_init(void);
50 int	cleanup_before_linux(void);
51 
52 /* cpu/.../arch/cpu.c */
53 int	arch_cpu_init(void);
54 int	arch_misc_init(void);
55 
56 /* board/.../... */
57 int	board_init(void);
58 int	dram_init (void);
59 #if !defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
60 void	dram_init_banksize (void);
61 #endif
62 void	setup_serial_tag (struct tag **params);
63 void	setup_revision_tag (struct tag **params);
64 
65 /* ------------------------------------------------------------ */
66 /* Here is a list of some prototypes which are incompatible to	*/
67 /* the U-Boot implementation					*/
68 /* To be fixed!							*/
69 /* ------------------------------------------------------------ */
70 /* common/cmd_nvedit.c */
71 int	setenv		(char *, char *);
72 
73 /* cpu/.../interrupt.c */
74 int	arch_interrupt_init	(void);
75 void	reset_timer_masked	(void);
76 ulong	get_timer_masked	(void);
77 void	udelay_masked		(unsigned long usec);
78 
79 /* cpu/.../timer.c */
80 int	timer_init		(void);
81 
82 #endif	/* _U_BOOT_ARM_H_ */
83