wdenk | 4a9cbbe | 2002-08-27 09:48:53 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2001 |
| 3 | * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * cpu_init.c - low level cpu init |
| 26 | * |
| 27 | * there's really nothing going on here yet. future work area? |
| 28 | */ |
| 29 | |
| 30 | #include <common.h> |
| 31 | #include <74xx_7xx.h> |
| 32 | |
| 33 | /* |
| 34 | * Breath some life into the CPU... |
| 35 | * |
| 36 | * there's basically nothing to do here since the memory controller |
| 37 | * isn't on the CPU in this case. |
| 38 | */ |
| 39 | void |
| 40 | cpu_init_f (void) |
| 41 | { |
wdenk | 3a473b2 | 2004-01-03 00:43:19 +0000 | [diff] [blame] | 42 | switch (get_cpu_type()) { |
| 43 | case CPU_7450: |
| 44 | case CPU_7455: |
| 45 | case CPU_7457: |
wdenk | 4a9cbbe | 2002-08-27 09:48:53 +0000 | [diff] [blame] | 46 | /* enable the timebase bit in HID0 */ |
| 47 | set_hid0(get_hid0() | 0x4000000); |
wdenk | 3a473b2 | 2004-01-03 00:43:19 +0000 | [diff] [blame] | 48 | break; |
| 49 | default: |
| 50 | /* do nothing */ |
| 51 | break; |
wdenk | 4a9cbbe | 2002-08-27 09:48:53 +0000 | [diff] [blame] | 52 | } |
| 53 | } |
| 54 | |
| 55 | /* |
| 56 | * initialize higher level parts of CPU like timers |
| 57 | */ |
| 58 | int cpu_init_r (void) |
| 59 | { |
| 60 | return (0); |
| 61 | } |