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qemu-mips.c 1.91 KiB
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  • /*
     * (C) Copyright 2007
     * Vlad Lungu vlad@comsys.ro
     *
     * See file CREDITS for list of people who contributed to this
     * project.
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License as
     * published by the Free Software Foundation; either version 2 of
     * the License, or (at your option) any later version.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
     * MA 02111-1307 USA
     */
    
    #include <common.h>
    #include <command.h>
    #include <asm/mipsregs.h>
    #include <asm/io.h>
    
    long int initdram(int board_type)
    {
    	/* Sdram is setup by assembler code */
    	/* If memory could be changed, we should return the true value here */
    	return MEM_SIZE*1024*1024;
    }
    
    int checkboard(void)
    {
    	u32 proc_id;
    	u32 config1;
    
    	proc_id = read_32bit_cp0_register(CP0_PRID);
    	printf("Board: Qemu -M mips CPU: ");
    	switch (proc_id) {
    	case 0x00018000:
    		printf("4Kc");
    		break;
    	case 0x00018400:
    		printf("4KEcR1");
    		break;
    	case 0x00019000:
    		printf("4KEc");
    		break;
    	case 0x00019300:
    		config1 = read_mips32_cp0_config1();
    		if (config1 & 1)
    			printf("24Kf");
    		else
    			printf("24Kc");
    		break;
    	case 0x00019500:
    		printf("34Kf");
    		break;
    	case 0x00000400:
    		printf("R4000");
    		break;
    	case 0x00018100:
    		config1 = read_mips32_cp0_config1();
    		if (config1 & 1)
    			printf("5Kf");
    		else
    			printf("5Kc");
    		break;
    	case 0x000182a0:
    		printf("20Kc");
    		break;
    
    	default:
    		printf("unknown");
    	}
    	printf(" proc_id=0x%x\n", proc_id);
    
    	return 0;
    }
    
    int misc_init_r(void)
    {
    	set_io_port_base(0);
    	return 0;
    }