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 _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 */ 44 45 /* cpu/.../cpu.c */ 46 int cpu_init(void); 47 int cleanup_before_linux(void); 48 49 /* Set up ARMv7 MMU, caches and TLBs */ 50 void cpu_init_cp15(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 void dram_init_banksize (void); 60 void setup_serial_tag (struct tag **params); 61 void setup_revision_tag (struct tag **params); 62 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); 68 69 #endif /* _U_BOOT_ARM_H_ */ 70