1/* 2 * STB810 specific board startup routines. 3 * 4 * Based on the arch/mips/philips/pnx8550/jbs/board_setup.c 5 * 6 * Author: MontaVista Software, Inc. 7 * source@mvista.com 8 * 9 * Copyright 2005 MontaVista Software Inc. 10 * 11 * This program is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the 13 * Free Software Foundation; either version 2 of the License, or (at your 14 * option) any later version. 15 */ 16 17#include <linux/init.h> 18#include <linux/sched.h> 19#include <linux/ioport.h> 20#include <linux/mm.h> 21#include <linux/console.h> 22#include <linux/mc146818rtc.h> 23#include <linux/delay.h> 24 25#include <asm/cpu.h> 26#include <asm/bootinfo.h> 27#include <asm/irq.h> 28#include <asm/mipsregs.h> 29#include <asm/reboot.h> 30#include <asm/pgtable.h> 31 32#include <glb.h> 33 34void __init board_setup(void) 35{ 36 unsigned long config0, configpr; 37 38 config0 = read_c0_config(); 39 40 /* clear all three cache coherency fields */ 41 config0 &= ~(0x7 | (7<<25) | (7<<28)); 42 config0 |= (CONF_CM_DEFAULT | (CONF_CM_DEFAULT<<25) | 43 (CONF_CM_DEFAULT<<28)); 44 write_c0_config(config0); 45 46 configpr = read_c0_config7(); 47 configpr |= (1<<19); /* enable tlb */ 48 write_c0_config7(configpr); 49} 50