Daniel Hellstrom | b552dbe | 2008-03-26 22:51:29 +0100 | [diff] [blame] | 1 | /* CPU specific code for the LEON3 CPU |
| 2 | * |
| 3 | * (C) Copyright 2007 |
| 4 | * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com |
| 5 | * |
| 6 | * See file CREDITS for list of people who contributed to this |
| 7 | * project. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License as |
| 11 | * published by the Free Software Foundation; either version 2 of |
| 12 | * the License, or (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 22 | * MA 02111-1307 USA |
| 23 | */ |
| 24 | |
| 25 | #include <common.h> |
| 26 | #include <watchdog.h> |
| 27 | #include <command.h> |
| 28 | |
| 29 | #include <asm/io.h> |
| 30 | #include <asm/processor.h> |
| 31 | |
| 32 | DECLARE_GLOBAL_DATA_PTR; |
| 33 | |
| 34 | extern void _reset_reloc(void); |
| 35 | |
| 36 | int checkcpu(void) |
| 37 | { |
| 38 | /* check LEON version here */ |
| 39 | printf("CPU: LEON3\n"); |
| 40 | return 0; |
| 41 | } |
| 42 | |
| 43 | /* ------------------------------------------------------------------------- */ |
| 44 | |
| 45 | void cpu_reset(void) |
| 46 | { |
| 47 | /* Interrupts off */ |
| 48 | disable_interrupts(); |
| 49 | |
| 50 | /* jump to restart in flash */ |
| 51 | _reset_reloc(); |
| 52 | } |
| 53 | |
| 54 | int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) |
| 55 | { |
| 56 | cpu_reset(); |
| 57 | |
| 58 | return 1; |
| 59 | |
| 60 | } |
| 61 | |
| 62 | u64 flash_read64(void *addr) |
| 63 | { |
| 64 | return __raw_readq(addr); |
| 65 | } |
| 66 | |
| 67 | /* ------------------------------------------------------------------------- */ |