uboot-vybrid_public/cpu/arm_cortexa8/s5pc1xx/cpu_info.c

/*
 * Copyright (C) 2009 Samsung Electronics
 * Minkyu Kang <mk7.kang@samsung.com>
 *
 * 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 <asm/io.h>
#include <asm/arch/clk.h>

/* Default is s5pc100 */
unsigned int s5pc1xx_cpu_id = 0xC100;

#ifdef CONFIG_ARCH_CPU_INIT
int arch_cpu_init(void)
{
	s5pc1xx_cpu_id = readl(S5PC1XX_PRO_ID);
	s5pc1xx_cpu_id = 0xC000 | ((s5pc1xx_cpu_id & 0x00FFF000) >> 12);

	s5pc1xx_clock_init();

	return 0;
}
#endif

u32 get_device_type(void)
{
	return s5pc1xx_cpu_id;
}

#ifdef CONFIG_DISPLAY_CPUINFO
int print_cpuinfo(void)
{
	char buf[32];

	printf("CPU:\tS5P%X@%sMHz\n",
			s5pc1xx_cpu_id, strmhz(buf, get_arm_clk()));

	return 0;
}
#endif