| Pete Popov | bdf21b1 | 2005-07-14 17:47:57 +0000 | [diff] [blame] | 1 | /* |
| 2 | * JBS Specific board startup routines. |
| 3 | * |
| 4 | * Copyright 2005, Embedded Alley Solutions, Inc |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License as published by the |
| 8 | * Free Software Foundation; either version 2 of the License, or (at your |
| 9 | * option) any later version. |
| 10 | * |
| 11 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 12 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 13 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| 14 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 15 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 16 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 17 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 18 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 19 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 20 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License along |
| 23 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 24 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 25 | */ |
| 26 | #include <linux/init.h> |
| 27 | #include <linux/sched.h> |
| 28 | #include <linux/ioport.h> |
| 29 | #include <linux/mm.h> |
| 30 | #include <linux/console.h> |
| 31 | #include <linux/mc146818rtc.h> |
| 32 | #include <linux/delay.h> |
| 33 | |
| 34 | #include <asm/cpu.h> |
| 35 | #include <asm/bootinfo.h> |
| 36 | #include <asm/irq.h> |
| 37 | #include <asm/mipsregs.h> |
| 38 | #include <asm/reboot.h> |
| 39 | #include <asm/pgtable.h> |
| 40 | |
| 41 | #include <glb.h> |
| 42 | |
| 43 | /* CP0 hazard avoidance. */ |
| 44 | #define BARRIER __asm__ __volatile__(".set noreorder\n\t" \ |
| 45 | "nop; nop; nop; nop; nop; nop;\n\t" \ |
| 46 | ".set reorder\n\t") |
| 47 | |
| 48 | void __init board_setup(void) |
| 49 | { |
| Ralf Baechle | 89052bd | 2008-06-12 17:26:02 +0100 | [diff] [blame] | 50 | unsigned long configpr; |
| Pete Popov | bdf21b1 | 2005-07-14 17:47:57 +0000 | [diff] [blame] | 51 | |
| 52 | configpr = read_c0_config7(); |
| 53 | configpr |= (1<<19); /* enable tlb */ |
| 54 | write_c0_config7(configpr); |
| 55 | BARRIER; |
| 56 | } |