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 * See file CREDITS for list of people who contributed to this
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.
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.
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,
29 #ifndef _U_BOOT_ARM_H_
30 #define _U_BOOT_ARM_H_ 1
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 _end_ofs; /* end of image relative to _start */
36 extern ulong IRQ_STACK_START; /* top of IRQ stack */
37 extern ulong FIQ_STACK_START; /* top of FIQ stack */
38 extern ulong _TEXT_BASE; /* code start */
39 extern ulong _datarel_start_ofs;
40 extern ulong _datarelrolocal_start_ofs;
41 extern ulong _datarellocal_start_ofs;
42 extern ulong _datarelro_start_ofs;
43 extern ulong IRQ_STACK_START_IN; /* 8 bytes in IRQ stack */
47 int cleanup_before_linux(void);
49 /* Set up ARMv7 MMU, caches and TLBs */
50 void cpu_init_cp15(void);
52 /* cpu/.../arch/cpu.c */
53 int arch_cpu_init(void);
54 int arch_misc_init(void);
59 void dram_init_banksize (void);
60 void setup_serial_tag (struct tag **params);
61 void setup_revision_tag (struct tag **params);
63 /* cpu/.../interrupt.c */
64 int arch_interrupt_init (void);
65 void reset_timer_masked (void);
66 ulong get_timer_masked (void);
67 void udelay_masked (unsigned long usec);
69 #endif /* _U_BOOT_ARM_H_ */